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WO2022067826A1 - Communication method and device - Google Patents

Communication method and device Download PDF

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Publication number
WO2022067826A1
WO2022067826A1 PCT/CN2020/119759 CN2020119759W WO2022067826A1 WO 2022067826 A1 WO2022067826 A1 WO 2022067826A1 CN 2020119759 W CN2020119759 W CN 2020119759W WO 2022067826 A1 WO2022067826 A1 WO 2022067826A1
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Prior art keywords
sequence
reference signal
sequences
group
sequence group
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PCT/CN2020/119759
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French (fr)
Chinese (zh)
Inventor
曲秉玉
李博
龚名新
Original Assignee
华为技术有限公司
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Priority to CN202080105653.XA priority Critical patent/CN116250200B/en
Priority to PCT/CN2020/119759 priority patent/WO2022067826A1/en
Publication of WO2022067826A1 publication Critical patent/WO2022067826A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a communication method and apparatus.
  • DMRS demodulation reference signals
  • NR New RAT
  • CP-OFDM cyclic prefixed orthogonal frequency division multiplexing
  • configuration type 1 within a resource block, the system supports a maximum of 8 orthogonal DMRS multiplexing
  • configuration type 2 within a resource block, the system supports a maximum of 12 multiplexing Orthogonal DMRS multiplexing.
  • the uplink also supports orthogonal frequency division multiplexing (discrete fourier transform-spread-orthogonal frequency division multiplexing, DFT-S-OFDM) waveforms using discrete Fourier transform expansion.
  • DFT-S-OFDM orthogonal frequency division multiplexing
  • DMRS configuration type 1 is used, and the system supports a maximum of 8 positive Cross-DMRS multiplexing.
  • Embodiments of the present application provide a communication method and apparatus for reducing interference between reference signals of different layers.
  • the embodiments of the present application provide the following technical solutions:
  • a first aspect provides a communication method, the method includes: receiving or sending a first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal The combination includes at least one reference signal; wherein, different values of the preset field included in the first signaling correspond to each reference signal combination respectively; all the reference signals included in the reference signal combination are composed of A reference signal set, the reference signal set includes at least two reference signal groups; the reference signal sequence of each reference signal in the at least two reference signal groups Satisfy:
  • r(m) is a pseudo-random sequence
  • m 0, 1, 2..
  • A is a non-zero complex constant
  • t m mod N
  • the length of the orthogonal code sequence W( ⁇ ) is N
  • the value range of the independent variable is 0,1,...,N-1,c( ) is a mask sequence
  • the value range of the argument is a non-negative integer
  • any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
  • the corresponding orthogonal code sequence W( ⁇ ) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
  • the corresponding orthogonal code sequences W( ⁇ ) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group
  • the sequences are orthogonal; any sequence in the first sequence group is different from any sequence in the second sequence group;
  • sequence c( ⁇ ) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group;
  • sequence r(m) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
  • the at least one reference signal is generated and transmitted.
  • any two reference signal groups in the at least two reference signal groups included in the first reference signal set satisfy a specific condition (that is, all the reference signal groups in the first reference signal group reference signal sequence
  • the corresponding orthogonal code sequence W( ⁇ ) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
  • the corresponding orthogonal code sequences W( ⁇ ) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups;
  • the second sequence group includes at least two sequence subgroups; the sequence in one sequence subgroup in the first sequence group is orthogonal to the sequence in the partial sequence subgroup in the second sequence group; the sequences in the first sequence group and The sequences in the second sequence group are different), so compared with the prior art, the above method of the present application can provide more orthogonal code sequences, and each orthogonal code sequence is at least in line with other orthogonal
  • each orthogonal code sequence is orthogonal to the partial orthogonal code sequences in other sequence groups.
  • the reference signal obtained by using the above-mentioned orthogonal code sequence of the present application can be kept orthogonal to more reference signals, thereby reducing the interference between reference signals of different layers.
  • the orthogonal code sequence corresponding to the DMRS in UE group 3 can be used in the same sequence subgroup in the same sequence group.
  • the orthogonal code sequence (for example, the orthogonal code sequence in the first sequence subgroup in the first sequence group), and the orthogonal code sequence corresponding to the DMRS in UE group 4 uses the second sequence in the first sequence group
  • the orthogonal code sequence in the subgroup, and the orthogonal code sequence corresponding to the DMRS in the UE group 5 uses the orthogonal code sequence in the third sequence subgroup in the second sequence group (wherein, the orthogonal code sequence in the third sequence subgroup is sequences are orthogonal to sequences in the second subset of sequences). In this way, the interference of reference signals between different layers can be reduced while increasing the number of transmission layers.
  • the orthogonal code sequences W( ⁇ ) corresponding to the two or more reference signals belong to the same sequence subgroup.
  • the network device indicates the reference signal for the terminal device
  • two or more reference signals corresponding to the orthogonal code sequences in the same sequence subgroup are allocated to the same terminal device, thereby ensuring the same terminal device There is no interference between the two or more transmitted reference signals.
  • the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies: the reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, And the reference signal combination set includes at least various combinations of reference signals corresponding to sequences in the same sequence subgroup.
  • the reference signal sequence corresponding to the sequence of the first sequence group corresponds to the sequence of the second sequence group
  • the reference signal sequences of are mapped on the same subcarriers in the same resource block.
  • the reference signal sequence corresponding to the sequence of the first sequence group and the sequence corresponding to the sequence of the second sequence group may be The reference signal sequence multiplexes the same subcarriers. It can also be understood that, in the mapping process, the reference signals corresponding to the sequences of the first sequence group and the reference signals corresponding to the sequences of the second sequence group are used as reference signals in the same CDM group for mapping.
  • the reference signal sequence corresponding to the first sequence group and the first item of the reference signal sequence corresponding to the second sequence group are both mapped to the same RE, the second item is also mapped to the same RE, and so on .
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1, 1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group includes the following sequence: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; where j is an imaginary unit.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1 ,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; sequence subgroups include: first sequence subgroup: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1 ,-1 ⁇ ; the second sequence subgroup: ⁇ 1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group When including the following sequences: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; The sequence subgroup includes: the first sequence subgroup: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ ; the second sequence subgroup: ⁇ 1,j,-1,- j ⁇ , ⁇ 1,-j,-1,j ⁇ .
  • the number of orthogonal code sequences used by the reference signal can be increased, and the number of reference signals can be increased, and the reference signal obtained by using the orthogonal code sequence in the above implementation manner can be kept orthogonal to more reference signals , thereby reducing the interference between reference signals of different layers.
  • sequences of the first sequence group/second sequence group include the following sequences:
  • sequences of the first sequence group/second sequence group include the following sequences:
  • sequences of the first sequence group/second sequence group include the following sequences:
  • sequences of the first sequence group/second sequence group include the following sequences:
  • the number of orthogonal code sequences used by the reference signal can be increased, and the number of reference signals can be increased, and the reference signal obtained by using the orthogonal code sequence in the above implementation manner can be kept orthogonal to more reference signals , thereby reducing the interference between reference signals of different layers.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1,j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1 ,j,j,-1 ⁇ , ⁇ 1,-j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,-j,1,-1,-j,j,- 1 ⁇ , ⁇ 1,-j,j,1,-1,j,-j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ; or, all The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-1,-j,-j,1,-1,-j,-j ⁇ , ⁇ 1,1,-j,j ,1,1,-j,j ⁇ , ⁇ 1,-1,j,j,1,-1,j,j ⁇ ,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1 ,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1, -1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1, 1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1, 1 ⁇ , ⁇ 1,1,-1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,1,1,-1 ⁇ ; or, all The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,-1,1,1,-1 ⁇ , ⁇ 1,-1,1,1,1,- 1,1,1 ⁇ , ⁇ 1,1,-1,1,1,1,-1,1 ⁇ , ⁇ 1,-1,-1,-1,-1,-1 ⁇ , ⁇ 1,1,1,-1,-1,-1,1 ⁇ , ⁇ 1,-1,1,1,-1,1,-1,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1, 1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1 ,-1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,1,-1 ⁇ ; sequencer Groups include: First sequence subgroups: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1,-1,1 ⁇ ; second sequence subgroup: ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1,1 ⁇ ,
  • each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
  • a communication method comprising: receiving or sending first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; in the first reference signal combination Including at least one reference signal; wherein, different values of the preset field included in the first signaling correspond to each reference signal combination respectively; all reference signals included in each reference signal combination constitute a reference signal set, the reference signal set includes at least two reference signal groups; the reference signal sequence of each reference signal in the at least two reference signal groups Satisfy:
  • r(m) is a pseudo-random sequence
  • m 0,1,2...
  • A is a non-zero complex constant
  • the length of the orthogonal code sequence W( ⁇ ) is N
  • c( ) is the mask sequence
  • any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
  • the corresponding orthogonal code sequence W( ⁇ ) constitutes the first sequence group
  • the corresponding orthogonal code sequences c( ⁇ ) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group
  • the sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
  • sequence c( ⁇ ) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group;
  • sequence r(m) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
  • the at least one reference signal is received.
  • the orthogonal code sequences W( ⁇ ) corresponding to the two or more reference signals belong to the same sequence subgroup.
  • the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
  • the reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least all combinations of reference signals corresponding to sequences in the same sequence subset.
  • the reference signal sequence corresponding to the sequence of the first sequence group corresponds to the sequence of the second sequence group
  • the reference signal sequences of are mapped on the same subcarriers in the same resource block.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1, 1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group includes the following sequence: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; where j is an imaginary unit.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1 ,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; sequence subgroups include: first sequence subgroup: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1 ,-1 ⁇ ; the second sequence subgroup: ⁇ 1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group When including the following sequences: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; The sequence subgroup includes: the first sequence subgroup: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ ; the second sequence subgroup: ⁇ 1,j,-1,- j ⁇ , ⁇ 1,-j,-1,j ⁇ .
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1,j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1 ,j,j,-1 ⁇ , ⁇ 1,-j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,-j,1,-1,-j,j,- 1 ⁇ , ⁇ 1,-j,j,1,-1,j,-j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ; or, all The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-1,-j,-j,1,-1,-j,-j ⁇ , ⁇ 1,1,-j,j ,1,1,-j,j ⁇ , ⁇ 1,-1,j,j,1,-1,j,j ⁇ ,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1 ,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1, -1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1, 1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1, 1 ⁇ , ⁇ 1,1,-1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,1,1,-1 ⁇ ; or, all The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,-1,1,1,-1 ⁇ , ⁇ 1,-1,1,1,1,- 1,1,1 ⁇ , ⁇ 1,1,-1,1,1,1,-1,1 ⁇ , ⁇ 1,-1,-1,-1,-1,-1 ⁇ , ⁇ 1,1,1,-1,-1,-1,1 ⁇ , ⁇ 1,-1,1,1,-1,1,-1,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1, 1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1 ,-1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,1,-1 ⁇ ; sequencer Groups include: First sequence subgroups: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1,-1,1 ⁇ ; second sequence subgroup: ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1,1 ⁇ ,
  • each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
  • a communication device comprising:
  • a communication unit configured to receive or send first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein , the different values of the preset fields included in the first signaling correspond to respective reference signal combinations; all reference signals included in the reference signal combinations form a reference signal set, and the reference signal set At least two reference signal groups are included; the reference signal sequence of each reference signal in the at least two reference signal groups Satisfy:
  • r(m) is a pseudo-random sequence
  • m 0,1,2...
  • A is a non-zero complex constant
  • the length of the orthogonal code sequence W( ⁇ ) is N
  • c( ) is a mask sequence
  • the value range of the independent variable is a non-negative integer
  • any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
  • the corresponding orthogonal code sequence W( ⁇ ) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
  • the corresponding orthogonal code sequences W( ⁇ ) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group
  • the sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
  • sequence c( ⁇ ) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group;
  • sequence r(m) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
  • a reference signal sending unit configured to generate and send the at least one reference signal.
  • the orthogonal code sequences W( ⁇ ) corresponding to the two or more reference signals belong to the same sequence subgroup.
  • the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
  • the reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least all combinations of reference signals corresponding to sequences in the same sequence subset.
  • the reference signal sequence corresponding to the sequence of the first sequence group and the sequence corresponding to the second sequence group Reference signal sequences are mapped on the same subcarriers in the same resource block.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1, 1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group includes the following sequence: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; where j is an imaginary unit.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1 ,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; sequence subgroups include: first sequence subgroup: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1 ,-1 ⁇ ; the second sequence subgroup: ⁇ 1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group When including the following sequences: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; The sequence subgroup includes: the first sequence subgroup: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ ; the second sequence subgroup: ⁇ 1,j,-1,- j ⁇ , ⁇ 1,-j,-1,j ⁇ .
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1,j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1 ,j,j,-1 ⁇ , ⁇ 1,-j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,-j,1,-1,-j,j,- 1 ⁇ , ⁇ 1,-j,j,1,-1,j,-j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ; or, all The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-1,-j,-j,1,-1,-j,-j ⁇ , ⁇ 1,1,-j,j ,1,1,-j,j ⁇ , ⁇ 1,-1,j,j,1,-1,j,j ⁇ ,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1 ,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1, -1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1, 1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1, 1 ⁇ , ⁇ 1,1,-1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,1,1,-1 ⁇ ; or, all The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,-1,1,1,-1 ⁇ , ⁇ 1,-1,1,1,1,- 1,1,1 ⁇ , ⁇ 1,1,-1,1,1,1,-1,1 ⁇ , ⁇ 1,-1,-1,-1,-1,-1 ⁇ , ⁇ 1,1,1,-1,-1,-1,1 ⁇ , ⁇ 1,-1,1,1,-1,1,-1,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1, 1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1 ,-1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,1,-1 ⁇ ; sequencer Groups include: First sequence subgroups: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1,-1,1 ⁇ ; second sequence subgroup: ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1,1 ⁇ ,
  • each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
  • a communication device comprising:
  • a communication unit configured to receive or send a first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein, the Different values of the preset fields included in the first signaling respectively correspond to each reference signal combination; all reference signals included in each reference signal combination form a reference signal set, and the reference signal set includes at least one reference signal set.
  • r(m) is a pseudo-random sequence
  • m 0,1,2...
  • A is a non-zero complex constant
  • the length of the orthogonal code sequence W( ⁇ ) is N
  • c( ) is a mask sequence
  • the value range of the independent variable is a non-negative integer
  • any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
  • the corresponding orthogonal code sequence v constitutes the first sequence group
  • the corresponding orthogonal code sequences W( ⁇ ) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group
  • the sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
  • sequence c( ⁇ ) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group;
  • sequence r(m) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
  • a reference signal receiving unit configured to receive the at least one reference signal.
  • the orthogonal code sequences W( ⁇ ) corresponding to the two or more reference signals belong to the same sequence subgroup.
  • the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
  • the reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least all combinations of reference signals corresponding to sequences in the same sequence subset.
  • the reference signal sequence corresponding to the sequence of the first sequence group and the sequence corresponding to the second sequence group Reference signal sequences are mapped on the same subcarriers in the same resource block.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1, 1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group includes the following sequence: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; where j is an imaginary unit.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1 ,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; sequence subgroups include: first sequence subgroup: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1 ,-1 ⁇ ; the second sequence subgroup: ⁇ 1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group When including the following sequences: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; The sequence subgroup includes: the first sequence subgroup: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ ; the second sequence subgroup: ⁇ 1,j,-1,- j ⁇ , ⁇ 1,-j,-1,j ⁇ .
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1,j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1 ,j,j,-1 ⁇ , ⁇ 1,-j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,-j,1,-1,-j,j,- 1 ⁇ , ⁇ 1,-j,j,1,-1,j,-j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ; or, all The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-1,-j,-j,1,-1,-j,-j ⁇ , ⁇ 1,1,-j,j ,1,1,-j,j ⁇ , ⁇ 1,-1,j,j,1,-1,j,j ⁇ ,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1 ,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1, -1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1, 1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1, 1 ⁇ , ⁇ 1,1,-1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,1,1,-1 ⁇ ; or, all The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,-1,1,1,-1 ⁇ , ⁇ 1,-1,1,1,1,- 1,1,1 ⁇ , ⁇ 1,1,-1,1,1,1,-1,1 ⁇ , ⁇ 1,-1,-1,-1,-1,-1 ⁇ , ⁇ 1,1,1,-1,-1,-1,1 ⁇ , ⁇ 1,-1,1,1,-1,1,-1,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1, 1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1 ,-1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,1,-1 ⁇ ; sequencer Groups include: First sequence subgroups: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1,-1,1 ⁇ ; second sequence subgroup: ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1,1 ⁇ ,
  • each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
  • a communication device comprising at least one processor and an interface circuit, the at least one processor is configured to communicate with other devices through the interface circuit, so as to execute the communication method according to the above-mentioned first aspect.
  • a communication device in a sixth aspect, includes at least one processor and an interface circuit, the at least one processor is configured to communicate with other devices through the interface circuit, so as to execute the above-mentioned first aspect communication method.
  • a chip in a seventh aspect, includes a processing circuit and an interface; the processing circuit is configured to call and run a computer program stored in the storage medium from a storage medium to execute the above-mentioned first aspect the communication method, or, execute the communication method described in the second aspect above.
  • a computer-readable storage medium is provided, and instructions are stored in the computer-readable storage medium; when the instructions are executed, the communication method described in the first aspect above is executed, or the communication method described in the above-mentioned first aspect is executed.
  • the communication method described in the second aspect is executed.
  • a computer program product which is characterized by comprising instructions; when the instructions are executed on a computer, the computer is caused to execute the communication method described in the first aspect above, or the computer is caused to execute the communication method described in the above-mentioned first aspect.
  • a communication system comprising: a first communication device and a second communication device; wherein: the first communication device is configured to execute the method described in the first aspect; the second communication device, for performing the method described in the second aspect above.
  • FIG. 3 is a third schematic diagram of a pilot pattern provided by the prior art.
  • FIG. 4 is one of schematic diagrams of a network architecture provided by an embodiment of the present application.
  • FIG. 5 is the second schematic diagram of a network architecture provided by an embodiment of the present application.
  • FIG. 6 is a third schematic diagram of a network architecture provided by an embodiment of the present application.
  • FIG. 7 is one of the schematic flowcharts of a communication method provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a division manner of an orthogonal code sequence provided by an embodiment of the present application.
  • FIG. 9A is one of schematic diagrams of a pilot pattern provided by an embodiment of the present application.
  • FIG. 9B is the second schematic diagram of a pilot pattern provided by an embodiment of the present application.
  • FIG. 10 is a third schematic diagram of a pilot pattern provided by an embodiment of the present application.
  • FIG. 11 is a fourth schematic diagram of a pilot pattern provided by an embodiment of the present application.
  • FIG. 12 is the second schematic flowchart of a communication method provided by an embodiment of the present application.
  • FIG. 13 is one of schematic structural diagrams of a communication device provided by an embodiment of the present application.
  • FIG. 14 is the second schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 15 is a third schematic structural diagram of a communication apparatus according to an embodiment of the present application.
  • the network architecture and service scenarios described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application.
  • the evolution of the architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
  • Resource block (resource BLOCK, RB)
  • the smallest resource granularity in the time domain may be an Orthogonal Frequency Division Multiplexing (OFDM) symbol (symbol), which may be referred to as a symbol for short; in the frequency domain, the smallest The resource granularity may be one subcarrier.
  • OFDM Orthogonal Frequency Division Multiplexing
  • One OFDM symbol and one subcarrier form a resource element (RE), as shown in Figure 1.
  • RE resource element
  • An RB is a frequency domain basic scheduling unit for data channel allocation, and one RB includes 12 subcarriers in the frequency domain.
  • DMRS Demodulation reference signal
  • DMRS is used for uplink and downlink channel estimation.
  • DMRS can be used to perform channel estimation on a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH), so as to coherently demodulate uplink and downlink data.
  • PDSCH and PUSCH are used to carry data sent in downlink and uplink respectively, and DMRS is transmitted along with PDSCH or PUSCH.
  • the DMRS is located in the first few symbols of the time slot occupied by the PDSCH or PUSCH.
  • each data stream is called a Layer transmission (layer: layer), data streams of different layers use different spatial domain precoding vectors.
  • layer layer
  • data streams of different layers use different spatial domain precoding vectors.
  • SU-MIMO downlink single user-multiple input multiple output
  • MU-MIMO uplink multi-user multiple input multiple output
  • each layer of transmission may correspond to a DMRS respectively, and this DMRS is used to perform channel estimation for the transmission of this layer.
  • the precoding vector corresponding to each DMRS is the same as the precoding vector for transmission of the corresponding layer, and the receiving end can perform channel estimation according to each DMRS to obtain channel estimation values for transmission of different layers.
  • Different DMRSs correspond to different indexes, and the index here may be a DMRS port number.
  • the DMRS can be generated using a pseudo-random sequence.
  • the DMRS scrambling sequence r(n) can be obtained from the sequence c(n) through quadrature phase shift keying (QPSK) modulation, and c(n) can be defined as Gold sequence. Then r(n) can be expressed as:
  • x 1 (n+31) (x 1 (n+3)+x 1 (n))mod 2
  • x 2 (n+31) (x 2 (n+3)+x 2 (n+2)+x 2 (n+1)+x 2 (n))mod 2
  • N C 1600
  • c init is determined by information such as a DMRS scrambling code identifier (Identity document, ID), a cell ID, a DMRS subframe location and a symbol location.
  • the DMRS corresponding to each layer multiplex the same time-frequency resources and share the same scrambling code sequence r(n).
  • the orthogonal code orthogonal cover code, OCC
  • CDM code division multiplexing
  • multiplexing multiplexing
  • CDM code division multiplexing
  • some protocols may support two DMRS configuration types, ie, configuration type 1 and configuration type 2.
  • the DMRSs of different ports in the same CDM group use orthogonal codes to expand in the time-frequency domain, and ensure the orthogonality of the DMRSs of different ports, and the DMRS of different CDM groups adopt frequency division to ensure the DMRS. orthogonal to each other.
  • FIG. 2 is a schematic diagram of a pilot pattern of a DMRS using configuration type 1.
  • the resource elements (resource elements, RE) of the two patterns in (a) in Figure 2 represent the REs occupied by CDM group 0 and CDM group 1, respectively, p0, p1, p2, p3 respectively represent the DMRS port index.
  • an orthogonal code code length of 2 is used to ensure that the DMRSs of the two DMRS ports in the same CDM group are orthogonal.
  • a frequency division method is adopted between different CDM groups to ensure that the DMRSs between different CDM groups are mutually orthogonal.
  • the system supports orthogonal DMRS multiplexing of 4 DMRS ports at most.
  • the REs of the two patterns in (b) in Figure 2 represent the REs occupied by CDM group 0 and CDM group 1, respectively, and p0, p1, ..., p6, p7 respectively represent the DMRS ports index.
  • orthogonal codes code length 4 are used to ensure that the DMRS sequences of the four DMRS ports in the same CDM group are orthogonal.
  • FIG. 3 is a schematic diagram of a pilot pattern of a DMRS using configuration type 2.
  • the REs of the three patterns in Fig. 3 (a) respectively represent the REs occupied by the three CDM groups, and p0, p1, p2,...p4, p5 respectively represent the DMRS port indices .
  • an orthogonal code with a code length of 2 is used to ensure that the DMRS sequences of the two DMRS ports in the same CDM group are orthogonal.
  • type 2 is used and one DMRS is configured for one symbol, the system supports a maximum of 6 DMRS orthogonal multiplexing.
  • the REs of the three patterns in (b) of FIG. 3 respectively represent the REs occupied by the three CDM groups, and p0, p1, p2, . . . p10, p11 respectively represent the DMRS port indices.
  • an orthogonal code with a code length of 4 is used to ensure that the DMRS sequences of the four DMRS ports in the same CDM group are orthogonal. It can be seen that when adopting type 2 and configuring two DMRS symbols, the system supports a maximum of 12 DMRS orthogonal multiplexing.
  • the base station needs to indicate the allocation of DMRS ports to the UE through downlink control information (Downlink Control Information, DCI) in the physical downlink control channel (Physical Downlink Control Channel, PDCCH).
  • DCI Downlink Control Information
  • PDCCH Physical Downlink Control Channel
  • the technical solutions provided by the embodiments of the present application will be introduced below with reference to examples.
  • the technical solutions provided in the embodiments of the present application can be applied to various communication systems, for example, a communication system using an NR technology, a long term evolution (long term evolution, LTE) technology or other wireless access technologies.
  • FIG. 4 is a schematic diagram of a network architecture to which the technical solutions provided by the embodiments of the present application are applied.
  • the network may include: terminal equipment, a radio access network (RAN) or an access network (AN) (RAN and AN are collectively referred to as (R)AN), and a core network ( core network, CN).
  • RAN radio access network
  • AN access network
  • R core network
  • the terminal device may be a device with a wireless transceiver function.
  • the terminal equipment may have different names, such as user equipment (UE), access equipment, terminal unit, terminal station, mobile station, mobile station, remote station, remote terminal, mobile device, wireless communication device, terminal agent or terminal device, etc.
  • Terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle; can also be deployed on water (such as ships, etc.); can also be deployed in the air (such as aircraft, balloons and satellites, etc.).
  • Terminal devices include handheld devices, vehicle-mounted devices, wearable devices or computing devices with wireless communication functions.
  • the terminal device may be a mobile phone, a tablet computer, or a computer with a wireless transceiver function.
  • the terminal device can also be a virtual reality (VR) device, an augmented reality (AR) device, an industrial control terminal, a wireless terminal, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, and a smart grid. wireless terminals, wireless terminals in smart cities, wireless terminals in smart homes, etc.
  • the apparatus for implementing the function of the terminal device may be the terminal device, or may be an apparatus capable of supporting the terminal device to implement the function, such as a chip system.
  • the chip system may be composed of chips, and may also include chips and other discrete devices.
  • the (R)AN mainly includes access network equipment.
  • An access network device may also be referred to as a base station.
  • the base station may include various forms of base station.
  • macro base station such as Wired Local Area Network, WLAN
  • GSM Global System for Mobile Communications
  • BTS Base Transceiver Station
  • CDMA Multiple Access
  • NodeB, NB Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • Evolved Node B, eNB or eNodeB or relay station or access point, or in-vehicle equipment, wearable device and the next generation node B (The Next Generation Node B, gNB) in 5G network or future evolution of public land mobile Network (Public Land Mobile Network, PLMN
  • a base station usually includes a baseband unit (BBU), a remote radio unit (RRU), an antenna, and a feeder for connecting the RRU and the antenna.
  • BBU baseband unit
  • RRU remote radio unit
  • the BBU is used for signal modulation.
  • the RRU is responsible for radio frequency processing.
  • the antenna is responsible for the conversion between the guided traveling waves on the cable and the space waves in the air.
  • the distributed base station greatly shortens the length of the feeder between the RRU and the antenna, which can reduce the signal loss and the cost of the feeder.
  • the RRU plus antenna is relatively small and can be installed anywhere, making network planning more flexible.
  • all BBUs can be centralized and placed in the central office (CO).
  • a base station may include a centralized unit (CU) and a distributed unit (DU).
  • the base station may also include an active antenna unit (AAU).
  • the CU implements some functions of the base station, and the DU implements some functions of the base station.
  • the CU is responsible for processing non-real-time protocols and services, and implementing functions of radio resource control (RRC) and packet data convergence protocol (PDCP) layers.
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • the DU is responsible for processing physical layer protocols and real-time services, and implementing functions of the radio link control (RLC), media access control (MAC), and physical (PHY) layers.
  • RLC radio link control
  • MAC media access control
  • PHY physical
  • AAU implements some physical layer processing functions, radio frequency processing and related functions of active antennas.
  • the access network device may be a device including one or more of a CU node, a DU node, and an AAU node.
  • the CU can be divided into network devices in the RAN, and the CU can also be divided into network devices in the core network (core network, CN), which is not limited here.
  • the core network includes multiple core network network elements (or called network function network elements).
  • the core network includes: access and mobility management ( access and mobility management services, AMF) network element, session management function (session management function, SMF) network element, PCF network element, user plane function (user plane function, UPF) network element, application layer function (application function) network element , AUSF network element, and UDM network element.
  • the core network may also include some network elements not shown in FIG. 4, such as: security anchor function (security anchor function, SEAF) network element, authentication credential repository and processing function (authentication credential repository and processing function, ARPF), The embodiments of the present application will not be repeated here.
  • security anchor function security anchor function, SEAF
  • SEAF security anchor function
  • ARPF authentication credential repository and processing function
  • communication can be classified into different types according to the types of transmitting nodes and receiving nodes.
  • the information sent by the network device to the terminal device is called downlink (downlink, DL) communication; the information sent by the terminal device to the network device is called uplink (uplink, UL) communication.
  • the network device may specifically refer to a network element in a base station or a core network that can exchange information with the terminal device.
  • the communication system may include a network device 101 and one or more terminal devices 102 connected to the network device 101 (including terminal device 102_1, terminal device 102_2, ... terminal device 102_n, terminal device 102_n+1, terminal device 102_n+2, ... terminal equipment 102_n+m).
  • the network device 101 may specifically be an access network device, for example, the network device 101 may be a device in (R)AN in FIG. 4 , or the network device 101 may specifically be a network element in the core network that can exchange information with the terminal device .
  • One or more terminal devices 102 may be the above-mentioned terminal devices in FIG. 4 .
  • the number of transmission layers for network pairing Limited by the maximum number of orthogonal multiplexed DMRS ports supported by the system.
  • the number of transmission layers for network pairing cannot exceed 12 layers.
  • multiple DMRS ports may correspond to different scrambling code sequences r(n), so as to achieve the purpose of expanding the number of DMRS ports.
  • the DMRS ports used in UE group 1 use one scrambling sequence
  • the DMRS ports used in UE group 2 use another scrambling sequence, thereby avoiding the maximum support of the system.
  • the number of ports of the orthogonal multiplexed DMRS limits the number of transmission layers, so as to achieve the purpose of expanding the number of ports.
  • each DMRS port uses the same time-frequency resource, if the used scrambling code sequence is different, even if the orthogonal code is superimposed on it, the orthogonality cannot be guaranteed.
  • the DMRS ports in the UE group can be kept orthogonal and will not interfere with each other, but between the UE group 1 and the UE group 2, the ports are not orthogonal to each other and will cause interference, which affects the performance of channel estimation.
  • the DMRSs used in UE group 1 are orthogonal to each other
  • the DMRSs used in UE group 2 are orthogonal to each other
  • the difference between each DMRS in UE group 1 and each DMRS in UE group 2 is Interference will occur.
  • FIG. 6 is a schematic diagram of another communication system provided by an embodiment of the present application.
  • the communication system may include a network device 201, a network device 202, and one or more terminal devices 203 connected to the network device 201 (including the terminal device 203_1, terminal device 203_2, ... terminal device 203_n, terminal device 203_n in the figure). +1, ... terminal device 203_n+m), and one or more terminal devices 204 connected to the network device 202 (including terminal device 204_1, terminal device 204_2, ... terminal device 204_n in the figure), and another terminal device 202_n+ 1.
  • the terminal device 202_n+m is also connected to the network device 202 .
  • the network device 201 and the network device 202 need to jointly receive the signals of the UE group 4 and measure the channels of the UE group 4 .
  • the network device 201 and the network device 202 may specifically be access network devices, such as the devices in (R)AN in FIG. 4 , or the network device 201 and the network device 202 may specifically be the core network capable of information exchange with terminal devices network element.
  • One or more terminal devices 102 may be the above-mentioned terminal devices in FIG. 4 .
  • different scrambling code sequences are allocated between different cells, and the scrambling code sequences are not orthogonal to each other. For example, UE group 3 and UE group 4 in FIG. Another scrambling sequence is used. Then, since UE group 4 and UE group 5 use different scrambling code sequences, when the network device 202 receives the signal of UE group 4, the DMRS of UE group 5 will cause strong interference to the DMRS of UE group 4, thereby causing the UE group The channel estimation performance of 4 degrades severely.
  • a scrambling code sequence is superimposed with 4 long OCCs to obtain 4 DMRSs occupying the same RE ports as p0, p1, p4, and p5,
  • a new set of 4-length OCCs is introduced, and 4 DMRSs can be added, which can be recorded as ports p0', p1', p4', p5', then the DMRS and ports corresponding to ports p0', p1', p4', p5'
  • the DMRSs corresponding to p0, p1, p4, and p5 occupy the same RE.
  • an embodiment of the present application provides a communication method. As shown in FIG. 7 , the method includes: S301 .
  • a network device sends a first instruction.
  • the network device may be an access network device, for example, the network device may be the device in (R)AN in FIG. 4 , or the network device may be a network element in the core network capable of information interaction with the terminal device.
  • the preset field included in the first signaling indicates the first reference signal combination.
  • the first reference signal combination includes at least one reference signal.
  • the values of the preset fields included in the first signaling are different, and correspond to each reference signal combination respectively. That is, when different values are assigned to the preset fields included in the first signaling, the first signaling may correspond to different reference signal combinations. Furthermore, the first signaling with different preset field values may be sent by the network device to indicate different reference signal combinations to the receiving end device.
  • the first signaling may be downlink control information (downlink control information, DCI).
  • DCI downlink control information
  • Each reference signal combination may be a combination of DMRSs.
  • the reference signal set includes reference signal set (for the convenience of distinguishing the reference signal set from other reference signal sets, the reference signal set is hereinafter referred to as the "first reference signal set").
  • the above reference signal combinations include combination 1, combination 2, and combination 3.
  • combination 1 includes reference signal a and reference signal b
  • combination 2 includes reference signal c, reference signal d, and reference signal e
  • combination 3 includes reference signal f and reference signal g.
  • the first reference signal set includes reference signal a, reference signal b, reference signal c, reference signal d, reference signal e, reference signal f, and reference signal g.
  • reference signals in different reference signal combinations may have intersections.
  • the above reference signal combinations include combination 1 and combination 2, wherein combination 1 includes reference signal h, and combination 2 includes reference signal h and reference signal i.
  • the first reference signal set includes reference signal h and reference signal i.
  • the first reference signal set includes at least two reference signal groups.
  • r(m) is a pseudo-random sequence.
  • r(m) is the scrambling sequence of the DMRS.
  • r(m) may reuse the generation method in the prior art, such as the generation method in the above-mentioned NR system.
  • A is a nonzero complex constant.
  • those skilled in the art can assign the value of A as required.
  • a technician can determine the value of A according to the transmit power of the device sending the reference signal. That is to say, the value of A may not be limited in this embodiment of the present application.
  • the length of the orthogonal code sequence W( ⁇ ) is N, and the value range of the independent variable is 0, 1, 2, ..., N-1.
  • the orthogonal code sequence W( ⁇ ) may be the OCC of each DMRS.
  • c( ) is a mask sequence whose length depends on M and is
  • any two reference signal groups in the above at least two reference signal groups are described as the first reference signal group and the second reference signal group, and the following conditions are satisfied:
  • Reference signal sequences of all reference signals in the first reference signal group The corresponding orthogonal code sequence W( ⁇ ) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group The corresponding orthogonal code sequences W( ⁇ ) form the second sequence group. in:
  • sequences in the first sequence group are orthogonal, and the sequences in the second sequence group are orthogonal. Any one of the sequences in the first sequence group is different from any one of the sequences in the second sequence group.
  • the first sequence set includes: sequence group a and sequence group b.
  • the sequence group a includes ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1 ⁇ , ⁇ 1,-1,-1, 1 ⁇ ;
  • sequence group b includes ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1 ,j ⁇ . It can be seen that the sequences in the sequence group a are orthogonal, and the sequences in the sequence group b are orthogonal. Any sequence in sequence group a is different from any sequence in sequence group b.
  • the first sequence group includes at least two sequence subgroups
  • the second sequence group includes at least two sequence subgroups.
  • the sequences in one of the sequence subgroups in the first sequence group are orthogonal to the sequences in the partial sequence subgroup in the second sequence group.
  • the reference signal sequences of all reference signals in the first reference signal group The corresponding orthogonal code sequences W( ⁇ ) form the first sequence group in FIG. 8 , and the first sequence group includes two sequence subgroups: the first sequence subgroup and the second sequence subgroup.
  • Reference signal sequences of all reference signals in the second reference signal group The corresponding orthogonal code sequence W(t) forms the second sequence group in FIG. 8 , and the second sequence group includes two sequence subgroups: the third sequence subgroup and the fourth sequence subgroup.
  • the sequences in the first sequence group are orthogonal, and the sequences in the second sequence group are orthogonal. Any one of the sequences in the first sequence group is different from any one of the sequences in the second sequence group.
  • sequences in the first sequence group are orthogonal to sequences in the partial sequence subgroup in the second sequence group, and are not orthogonal to sequences in another partial sequence subgroup in the second sequence group. That is, in Figure 8, one of the following two conditions must be satisfied:
  • sequences in the first and first sequence subgroups are orthogonal to the sequences in the third sequence subgroup, and are not orthogonal to the sequences in the fourth sequence subgroup.
  • sequences in the second sequence subgroup are not orthogonal to the sequences in the third sequence subgroup, and are orthogonal to the sequences in the fourth sequence subgroup.
  • sequences in one sequence subgroup described in this application are not orthogonal to the sequences in another sequence subgroup, which specifically means that there are at least one pair of sequences that are not orthogonal between the two sequence subgroups.
  • the two sequence subgroups may also include orthogonal sequence pairs.
  • the sequences in the first sequence subgroup are not orthogonal to the sequences in the fourth sequence subgroup, that is, at least one sequence in the first sequence subgroup is not orthogonal to at least one sequence in the fourth sequence subgroup.
  • sequences in the first sequence subgroup are not orthogonal to the sequences in the third sequence subgroup, and are orthogonal to the sequences in the fourth sequence subgroup.
  • sequences in the second sequence subgroup are orthogonal to the sequences in the third sequence subgroup and are not orthogonal to the sequences in the fourth sequence subgroup.
  • sequence group a includes sequence subgroup 1 and sequence subgroup 2; sequence group b includes sequence subgroup 3 and sequence subgroup 4.
  • each sequence in sequence subgroup 1 is not orthogonal to each sequence in sequence subgroup 3, and each sequence in sequence subgroup 1 is orthogonal to each sequence in sequence subgroup 4;
  • Each sequence in 2 is orthogonal to each sequence in sequence subgroup 3, and each sequence in sequence subgroup 2 is not orthogonal to each sequence in sequence subgroup 4. That is to say: the sequences in a sequence subgroup in sequence group a are orthogonal to the sequences in the partial sequence subgroup in sequence group b.
  • the sequence c( ⁇ ) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group. That is, the reference signal sequences of all reference signals in the first reference signal group In the corresponding orthogonal code sequence W( ⁇ ), each sequence W( ⁇ ) in the same sequence group corresponds to the same sequence c( ⁇ ), and different sequence groups correspond to different sequences c( ⁇ ).
  • sequence c( ) satisfies:
  • e represents a sequence of length L, represents the ⁇ -th Kronic product of e
  • e when L is 2, e can be: ⁇ 1,1 ⁇ ; ⁇ 1,j ⁇ .
  • e is ⁇ 1,1 ⁇
  • c( ⁇ ) is the sequence ⁇ 1,1,1,...,1 ⁇ , that is, the sequence of all 1s, e is ⁇ 1,j ⁇
  • another different c( ⁇ ) can be : 4 is ⁇ 1,j,j,-1 ⁇
  • 8 is ⁇ 1,j,j,-1,j,-1,-1,-j ⁇
  • 16 is ⁇ 1,j ,j,-1,j,-1,-1,-j,j,-1,-1,-j,-1,-j,-j,1 ⁇ and so on. The same will be given below, and will not be repeated here.
  • the sequence r(m) corresponding to the first sequence group is the same as the sequence r(m) corresponding to the second sequence group. That is to say, all the reference signals in the first reference signal group and the second reference signal group have the same sequence r(m).
  • the "reference signal group” referred to in the foregoing description of the embodiments of the present application is a logical division of reference signals. That is to say, as long as the reference signals in the first reference signal set can be divided into at least two reference signal groups according to the above description of the present application. The storage and data processing of reference signals in different reference signal groups may not be distinguished.
  • the "sequence group” and “sequence subgroup” mentioned in the above description of the embodiments of this application are also logically divided into orthogonal code sequences W( ⁇ ) corresponding to different reference signal sequences.
  • the orthogonal code sequences W( ⁇ ) corresponding to the two or more reference signals belong to the same sequence subgroup.
  • two or more reference signals corresponding to the orthogonal code sequences in the same sequence subgroup are allocated to the same terminal device, thereby ensuring that the same terminal device There is no interference between the two or more transmitted reference signals.
  • allocating reference signals to other terminal equipments other than the above-mentioned terminal equipment it is convenient to allocate reference signals that do not interfere with the above-mentioned terminal equipments to other terminal equipments.
  • the reference signal combination set formed by the reference signal combinations corresponding to the first signaling with different preset field values satisfies:
  • the reference signal combination set is a proper subset of all possible reference signal combinations in the first reference signal set, and the reference signal combination set includes at least various combinations of reference signals corresponding to sequences in the same sequence subset.
  • the first reference signal set includes reference signal 0, reference signal 1, reference signal 2, and reference signal 3
  • all possible reference signal combinations in the first reference signal set are ⁇ 0 ⁇ , ⁇ 1 ⁇ , ⁇ 2 ⁇ , ⁇ 3 ⁇ , ⁇ 0,1 ⁇ , ⁇ 0,2 ⁇ , ⁇ 0,3 ⁇ , ⁇ 1,2 ⁇ , ⁇ 1,3 ⁇ , ⁇ 1,4 ⁇ , ⁇ 2,3 ⁇ , ⁇ 2 ,4 ⁇ , ⁇ 3,4 ⁇ , ⁇ 1,2,3 ⁇ , ⁇ 1,2,4 ⁇ , ⁇ 1,3,4 ⁇ , ⁇ 2,3,4 ⁇ , ⁇ 1,2,3,4 ⁇ , where, for example, ⁇ 0, 2 ⁇ indicates a combination including reference signal 0 and reference signal 2, and ⁇ 1 ⁇ indicates a combination including only reference signal 1.
  • the reference signal combination should include at least one reference signal. . All reference signal combinations that can be instructed by the first instruction also need to be a proper subset of all possible reference signal combinations in the first reference signal set.
  • the first sequence subgroup includes sequence 1, sequence 2, and sequence 3; the second sequence subgroup includes sequence 4, sequence 5, and sequence 3. 6; the third sequence subgroup includes sequence 7, sequence 8, and sequence 9; the fourth sequence subgroup includes sequence 10, sequence 11, and sequence 12.
  • the first reference signal combination indicated by the first instruction includes two or more reference signals
  • the first reference signal combination may be ⁇ 1,2 ⁇ or ⁇ 1,3 ⁇ or ⁇ 2,3 ⁇ or ⁇ 1,2,3 ⁇ , where ⁇ 1,2 ⁇ represents a combination including the reference signal corresponding to sequence 1 and the reference signal corresponding to sequence 2.
  • the second sequence subgroup, the third sequence subgroup, and the fourth sequence subgroup is assumed that the first sequence subgroup includes sequence 1, sequence 2, and sequence 3; the second sequence subgroup includes sequence 4, sequence 5, and sequence 3. 6; the third sequence subgroup includes sequence 7, sequence 8, and sequence 9; the fourth sequence subgroup includes sequence 10, sequence 11, and sequence 12.
  • the reference signal sequence corresponding to the sequence of the first sequence group and the reference signal sequence corresponding to the sequence of the second sequence group Mapped on the same subcarriers in the same resource block.
  • the reference signal sequence corresponding to the sequence of the first sequence group and the sequence corresponding to the sequence of the second sequence group may be The reference signal sequence multiplexes the same subcarriers.
  • the first item of the reference signal sequence corresponding to the first sequence group and the reference signal sequence corresponding to the second sequence group are both mapped to the same RE, and the second item is also mapped to the same RE, so that analogy.
  • the first reference signal set may include other reference signals.
  • the reference signal corresponding to the sequence of the first sequence group and the reference signal corresponding to the sequence of the second sequence group occupy the same RE.
  • Other reference signals may occupy different REs from reference signals corresponding to the sequences of the first sequence group.
  • the embodiments of the present application also provide specific sequences in the orthogonal code sequence W( ) corresponding to the reference signals in the first reference signal set when the orthogonal code sequences W( ) are of different lengths:
  • sequences of the first sequence group/second sequence group include the following sequences:
  • sequences of the first sequence group/second sequence group include the following sequences:
  • sequence of the first sequence group/second sequence group includes the following sequences:
  • Sequence subgroups include:
  • the first sequence subgroup ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ ;
  • Second sequence subgroup ⁇ 1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ;
  • sequences of the first sequence group/second sequence group include the following sequences:
  • Sequence subgroups include:
  • the first sequence subgroup ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ ;
  • Second sequence subgroup ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ .
  • the first sequence group includes ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1 ⁇ , ⁇ 1,-1, -1,1 ⁇ ;
  • the second sequence group includes ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j ,-1,j ⁇ ;
  • the sequences in the first sequence group are orthogonal, and the sequences in the second sequence group are orthogonal.
  • the sequences in the partial sequence subgroup are orthogonal, and the sequences in the partial sequence subgroup are not orthogonal.
  • the cross-correlation value of non-orthogonal sequences is Among them, the cross-correlation of two N-long non-orthogonal sequences ⁇ a n ⁇ , ⁇ b n ⁇ is
  • Each sequence group obtains all the sequences in the sequence group according to a base sequence
  • the base sequence is ⁇ x 0 ,x 1 ⁇
  • each item of the 2-length Walsh code ⁇ w 0 ,w 1 ⁇ is multiplied to obtain ⁇ x 0 w 0 ,x 1 w 1 ⁇
  • S ⁇ x 0 w 0 ,x 1 w 1 ⁇
  • ⁇ w 0 ,w 1 ⁇ is any one of ⁇ 1,1 ⁇ , ⁇ 1,-1 ⁇
  • the base sequence is ⁇ 1,1 ⁇
  • the four sequences in the third sequence group can be obtained by the following formula: in but
  • Each row in represents a sequence in the first sequence group, and the following representations are similar.
  • the base sequence is ⁇ 1,j ⁇
  • the four sequences in the second sequence group can be obtained by the following formula: in but
  • the first instruction can be used to indicate that the two sequences in the first sequence subgroup correspond to The reference signal of the second sequence is allocated to the terminal equipment, or the reference signals corresponding to the two sequences in the second sequence subgroup are allocated to the terminal equipment. Further, the effect of allocating reference signals corresponding to the same sequence subgroup to the terminal equipment is achieved.
  • the schematic diagram of the DMRS mapping on one RB may be as shown in FIG. 9A . That is, the orthogonal code sequence of each reference signal corresponds to the same RE, that is, the first item W(0), the second item W(1), the third item W(2), The fourth term W(3) corresponds to the same RE respectively.
  • a schematic diagram of the mapping of the DMRS on one RB may be as shown in FIG. 10 . Other RBs are similar and are not drawn here.
  • the order of placing the items of the orthogonal code sequences in FIG. 9A and FIG. 10 is only an exemplary order. In the specific implementation process, different placement sequences can be adopted as required. For example, when the DMRS occupies one OFDM symbol and the DMRS is mapped on one RB, the placement method of the orthogonal code sequence of each reference signal can also be as shown in FIG. 9B , and of course other methods other than those shown in FIG. 9A and FIG. 9B can also be used. method, which is not limited in this application.
  • sequences of the first sequence group/second sequence group include the following sequences:
  • sequences of the first sequence group/second sequence group include the following sequences:
  • sequences of the first sequence group/second sequence group include the following sequences:
  • sequence of the first sequence group/second sequence group includes the following sequences: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1,j ,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1,j, j,-1 ⁇ , ⁇ 1,-j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,-j,1,-1,-j,j,-1 ⁇ , ⁇ 1,-j,j,1,-1,j,-j,-1 ⁇ , ⁇ 1,j,j,1,-1,j,-j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ;
  • the sequence subgroup includes: the first sequence subgroup: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1,j,-j,1,1,j,- j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1,j,j,-1 ⁇ ; second sequence subgroup : ⁇ 1,-j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,-j,1,-1,-j,j,-1 ⁇ , ⁇ 1,-j ,j,1,-1,j,-j,-1 ⁇ , ⁇ 1,j,j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ;
  • sequences of the first sequence group/second sequence group include the following sequences:
  • the sequence subgroup includes: the first sequence subgroup: ⁇ 1,-1,-j,-j,1,-1,-j,-j ⁇ , ⁇ 1,1,-j,j,1,1,- j,j ⁇ , ⁇ 1,-1,j,j,1,-1,j,j ⁇ , ⁇ 1,1,j,-j,1,1,j,-j ⁇ ; second sequence subgroup : ⁇ 1,-1,-j,-j,-1,1,j,j ⁇ , ⁇ 1,1,-j,j,-1,-1,j,-j ⁇ , ⁇ 1,-1 ,j,j,-1,1,-j,-j ⁇ , ⁇ 1,1,j,-j,-1,-1,-j,j ⁇ ;
  • sequences of the first sequence group/second sequence group include the following sequences:
  • the sequence subgroup includes: the first sequence subgroup: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1,-1,1 ⁇ ; the second sequence subgroup : ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1,1 ⁇ , ⁇ 1,1, -1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,-1,1,1,1,-1 ⁇ ;
  • sequences of the first sequence group/second sequence group include the following sequences:
  • Sequence subgroups include:
  • First sequence subgroup ⁇ 1,-j,-1,-j,1,-j,-1,-j ⁇ , ⁇ 1,j,-1,j,1,j,-1,j ⁇ , ⁇ 1,-j,1,j,1,-j,1,j ⁇ , ⁇ 1,j,1,-j,1,-j ⁇ ;
  • second sequence subgroup ⁇ 1,- j,-1,-j,-1,j,1,j ⁇ , ⁇ 1,j,-1,j,-1,-j,1,-j ⁇ , ⁇ 1,-j,1,j, -1,j,-1,-j ⁇ , ⁇ 1,j,1,-j,-1,-j,-1,j ⁇ .
  • the first sequence group includes ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1,j,-j, 1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1,j,j,-1 ⁇ , ⁇ 1,-j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,-j,1,-1,-j,j,-1 ⁇ , ⁇ 1,- j,j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ;
  • the second sequence group includes ⁇ 1,-1 ,-j,-j,1,-1,-j,-j ⁇ , ⁇ 1,1,-j,j,1,1,-j,j ⁇ , ⁇ 1,-1,j,j,1 ,-1,j,j ⁇ , ⁇ 1,1,j,-j,1,1,j,-j ⁇ , ⁇ 1,-1,
  • Each sequence group gets all the sequences in the sequence group according to a base sequence, the base sequence is ⁇ x 0 ,x 1 ,x 2 ,x 3 ⁇ , and the 4-length Walsh code ⁇ w 0 ,w 1 ,w 2 ,w 3 ⁇
  • the base sequence is ⁇ 1,-1,-j,-j ⁇ , and the sequence of eight can be obtained by the following formula: in but
  • the base sequence is ⁇ 1,1,1,1 ⁇ , and the sequence of eight can be obtained by the following formula: in but
  • the base sequence is ⁇ 1,-j,-1,-j ⁇ , and the sequence of eight can be obtained by the following formula: in but
  • the sequences of the second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,-1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1,-1,1 ⁇ , ⁇ 1,1 ,1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,-1,1,1,1 ⁇ , ⁇ 1,-1,-1,1,-1,1,1,-1 ⁇ ;
  • Sequence subgroups include:
  • Second sequence subgroup ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,1,-1,1,1,-1 ⁇ ;
  • sequences of the first sequence group/second sequence group include the following sequences:
  • Sequence subgroups include:
  • Second sequence subgroup ⁇ 1,1,1,-1,-1,-1,-1,1 ⁇ , ⁇ 1,-1,1,1,-1,1,-1,-1 ⁇ , ⁇ 1,1,-1,1,-1,-1,1,-1 ⁇ , ⁇ 1,-1,-1,-1,1,1,1 ⁇ .
  • Each sequence group gets all the sequences in the sequence group according to a base sequence, the base sequence is ⁇ x 0 ,x 1 ,x 2 ,x 3 ⁇ , and the 4-length Walsh code ⁇ w 0 ,w 1 ,w 2 ,w 3 ⁇
  • the base sequence is ⁇ 1,1,1,-1 ⁇ , and the eight sequences in the sixth sequence group can be obtained by the following formula: in but
  • the first instruction may be used to indicate that four The reference signals corresponding to the sequences are allocated to the terminal equipment, or the reference signals corresponding to the four sequences in the first sequence subgroup are allocated to the terminal equipment. Further, the effect of allocating reference signals corresponding to the same sequence subgroup to the terminal equipment is achieved.
  • the orthogonal code sequence of each reference signal corresponds to the same RE, that is, the first item W(0), the second item W(1), the third item W(2), The fourth item W(3), the fifth item W(4), the sixth item W(5), the seventh item W(6), and the eighth item W(7) respectively correspond to the same RE.
  • the terminal device receives the first instruction.
  • the method when the method provided by the embodiment of the present application is applied to the network device sending an instruction (for example, it may be downlink control information (DCI)) to the terminal device, so that the terminal device determines the waiting list according to the instruction
  • the instruction for example, it may be downlink control information (DCI)
  • the reference signal to be sent for example, the DMRS to be sent
  • the method further includes:
  • the terminal device sends at least one reference signal, so that the network device receives the at least one reference signal.
  • the terminal device may determine at least one reference signal in the first reference signal combination according to the value of the preset field in the first instruction, and then transmit the at least one reference signal.
  • the terminal device stores the reference signal sequence of each reference signal in the first reference signal set The corresponding orthogonal code sequence W( ⁇ ). Then, after determining at least one reference signal according to the first instruction, the terminal device can select the orthogonal code sequence W( ⁇ ) corresponding to the above at least one reference signal from the stored orthogonal code sequence W( ⁇ ), and according to the above formula A reference signal sequence of at least one reference signal is obtained to transmit the at least one reference signal.
  • the terminal device may not store the reference signal sequence of each reference signal in the first reference signal set in advance.
  • the corresponding orthogonal code sequence W( ⁇ ) is directly generated, and the orthogonal code sequence W( ⁇ ) corresponding to the at least one reference signal is directly generated.
  • the present application may not limit the manner in which the terminal device obtains the reference signal sequence of at least one reference signal.
  • the reference signal sequence of at least one reference signal may be mapped to M REs, respectively, to generate and transmit the first signal.
  • the method when the method provided by the embodiment of the present application is applied to the network device sending an instruction (for example, it may be downlink control information (DCI)) to the terminal device, so that the terminal device can determine according to the instruction
  • the reference signal for example, DMRS
  • the method includes:
  • the network device sends a first instruction.
  • the terminal device receives the first instruction.
  • S703 The network device sends at least one reference signal, and the terminal device receives at least one reference signal.
  • the reference signal sequence of each reference signal in the first reference signal set may be pre-stored in the network device The corresponding orthogonal code sequence W( ⁇ ). Then, after determining the at least one reference signal to be sent, the network device can select the orthogonal code sequence W( ⁇ ) corresponding to the at least one reference signal from the stored orthogonal code sequence W( ⁇ ), and according to the above formula 1 A reference signal sequence of at least one reference signal is obtained in order to transmit the at least one reference signal. Specifically, the network device may map the reference signal sequence of at least one reference signal to the M REs, respectively, to generate and send the first signal.
  • the terminal device may determine at least one reference signal in the first reference signal combination according to the value of the preset field in the first instruction. Furthermore, the terminal device may process the first signal including at least one reference signal from the network device, for example, may evaluate the channel where the reference signal is located.
  • any two reference signal groups in the at least two reference signal groups included in the first reference signal set satisfy a specific condition (that is, all the reference signal groups in the first reference signal group reference signal sequence
  • the corresponding orthogonal code sequence W( ⁇ ) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
  • the corresponding orthogonal code sequences W( ⁇ ) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups;
  • the second sequence group includes at least two sequence subgroups; the sequence in one sequence subgroup in the first sequence group is orthogonal to the sequence in the partial sequence subgroup in the second sequence group; the sequences in the first sequence group and The sequences in the second sequence group are different), so compared with the prior art, the above method of the present application can provide more orthogonal code sequences, and each orthogonal code sequence is at least in line with other orthogonal
  • each orthogonal code sequence is orthogonal to the partial orthogonal code sequences in other sequence groups.
  • the reference signal obtained by using the above-mentioned orthogonal code sequence of the present application can be kept orthogonal to more reference signals, thereby reducing the interference between reference signals of different layers.
  • the orthogonal code sequence corresponding to the DMRS in UE group 3 can be made to use the same sequence subgroup in the same sequence group.
  • Orthogonal code sequence for example, the orthogonal code sequence in the first sequence subgroup in the first sequence group
  • use the second sequence subgroup in the first sequence subgroup for the orthogonal code sequence corresponding to the DMRS in UE group 4 and the orthogonal code sequence of the DMRS in UE group 5 uses the orthogonal code sequence in the third sequence subgroup in the second sequence group (wherein the sequence in the third sequence subgroup is the same as the The sequences in the subgroup of two sequences are orthogonal). In this way, the interference of reference signals between different layers can be reduced while increasing the number of transmission layers.
  • the receiving device and/or the transmitting device may perform some or all of the steps in the embodiments of the present application. These steps or operations are only examples. In the embodiments of the present application, other operations may also be performed or Variations of various operations. In addition, various steps may be performed in different orders presented in the embodiments of the present application, and may not be required to perform all the operations in the embodiments of the present application.
  • the embodiments provided in this application may be related to each other, and may be referred to or referenced to each other.
  • the above embodiments mainly introduce the solutions provided by the embodiments of the present application from the perspective of interaction between devices.
  • the above-mentioned receiving device or transmitting device includes corresponding hardware structures and/or software modules for executing each function.
  • the unit of each example described in conjunction with the embodiments disclosed herein can be implemented in hardware or in the form of a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
  • a device may be divided into functional modules according to the foregoing method examples.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. in the module.
  • the above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules.
  • the division of modules in the embodiment of the present application is schematic, and is only a logical function division, and another division manner may be used in actual implementation.
  • FIG. 13 it is a schematic diagram of the composition of a communication apparatus 40 according to an embodiment of the present application.
  • the communication apparatus 40 may be a chip or a system-on-chip in a network device or a terminal device.
  • the communication apparatus 40 can be used to perform the function of sending reference signals by the network equipment or terminal equipment designed in the above embodiments.
  • the communication device 40 includes:
  • the communication unit 401 is configured to receive or send first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; Wherein, different values of the preset fields included in the first signaling correspond to respective reference signal combinations; all reference signals included in the reference signal combinations form a reference signal set, and the reference signal
  • the set includes at least two reference signal groups; the reference signal sequence of each reference signal in the at least two reference signal groups Satisfy:
  • r(m) is a pseudo-random sequence
  • m is a non-negative integer
  • A is a non-zero complex constant
  • the length of the orthogonal code sequence W( ⁇ ) is N
  • the value range of the independent variable is 0, 1, 2,..., N-1
  • t m mod N
  • c( ) is a mask sequence
  • the value range of the independent variable is a non-negative integer
  • any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
  • the corresponding orthogonal code sequence W( ⁇ ) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
  • the corresponding orthogonal code sequences W( ⁇ ) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group
  • the sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
  • sequence c( ⁇ ) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group;
  • sequence r(m) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
  • a reference signal sending unit 402 configured to generate and send the at least one reference signal.
  • the orthogonal code sequences W( ⁇ ) corresponding to the two or more than two reference signals belong to the same sequence subgroup.
  • the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
  • the reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least various combinations of reference signals corresponding to sequences in the same sequence subset.
  • the reference signal sequence corresponding to the sequence of the first sequence group and the reference signal corresponding to the sequence of the second sequence group are mapped on the same subcarriers in the same resource blocks.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1,1, -1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group includes the following sequences: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; where j is an imaginary unit.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1,1 ,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; sequence subgroups include: first sequence subgroup: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,- 1 ⁇ ; the second sequence subgroup: ⁇ 1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group includes the following: When describing the sequence: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; The sequence subgroup includes: the first sequence subgroup: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ ; the second sequence subgroup: ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ .
  • sequence of the first sequence group/second sequence group includes the following sequences: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1, j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1,j ,j,1 ⁇ , ⁇ 1,j,j,-1,1,j ,j,-1 ⁇ , ⁇ 1,-j,-j,-1 ⁇ , ⁇ 1,-j,-j,1,-1,-j,j,-1 ⁇ , ⁇ 1,-j,j,1,-1,j,-j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ; or, the first The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-1,-j,-j,1,-1,-j,-j ⁇ , ⁇ 1,1,-j,j,1 ,1,-j,j ⁇ , ⁇ 1,-1,j,j,1,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1 ,j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1, j,j,-1 ⁇ , ⁇ 1,-j,-j,-1 ⁇ , ⁇ 1,-j,-j,-1 ⁇ , ⁇ 1,-j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,j,-1,-j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ; sequence subgroups include : First sequence subgroup: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1,j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1 ⁇ , ⁇ 1,j,j,-1 ⁇ 1,j,j,-1 ⁇ 1,j,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,- 1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1 ,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,-1,1,1,-1 ⁇ ; or, the first The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,-1,1,1,1,-1 ⁇ , ⁇ 1,-1,1,1,1,-1, 1,1 ⁇ , ⁇ 1,1,-1,1,1,1,-1,1 ⁇ , ⁇ 1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,1,-1 ⁇ , ⁇ 1,-1,-1,-1
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1, -1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,- 1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,1,-1,1,1,-1 ⁇ ; sequence subgroups include : First sequence subgroup: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,-1,1,-1,1,-1 ⁇ , ⁇ 1, 1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1,-1,1 ⁇ ; second sequence subgroup: ⁇ 1, 1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,
  • each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
  • FIG. 14 it is a schematic diagram of the composition of a communication apparatus 50 according to an embodiment of the present application.
  • the communication apparatus 50 may be a chip or a system-on-chip in a network device or a terminal device.
  • the communication apparatus 50 may be configured to perform the function of receiving the reference signal by the network device or the terminal device designed in the foregoing embodiments.
  • the communication device 50 includes:
  • the communication unit 501 is configured to receive or send first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein, Different values of the preset fields included in the first signaling correspond to respective reference signal combinations; all reference signals included in the reference signal combinations form a reference signal set, and the reference signal set includes at least two reference signal groups; reference signal sequences of each reference signal in the at least two reference signal groups Satisfy:
  • r(m) is a pseudo-random sequence
  • m is a non-negative integer
  • A is a non-zero complex constant
  • the length of the orthogonal code sequence W( ⁇ ) is N
  • the value range of the independent variable is 0, 1, 2,...,N -1
  • t m mod N
  • c( ) is the mask sequence
  • any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
  • the corresponding orthogonal code sequence W( ⁇ ) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
  • the corresponding orthogonal code sequences W( ⁇ ) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group
  • the sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
  • sequence c( ⁇ ) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group;
  • sequence r(m) corresponding to the first sequence group is different from the sequence c( ⁇ ) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
  • the orthogonal code sequences W( ⁇ ) corresponding to the two or more than two reference signals belong to the same sequence subgroup.
  • the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
  • the reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set at least includes various combinations of reference signals corresponding to sequences in the same sequence subset.
  • the reference signal sequence corresponding to the sequence of the first sequence group and the reference signal corresponding to the sequence of the second sequence group are mapped on the same subcarriers in the same resource blocks.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1,1, -1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group includes the following sequences: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; where j is an imaginary unit.
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,-1 ⁇ , ⁇ 1,1 ,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; sequence subgroups include: first sequence subgroup: ⁇ 1,1,1,1 ⁇ , ⁇ 1,-1,1,- 1 ⁇ ; the second sequence subgroup: ⁇ 1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1 ⁇ ; or, the sequence of the first sequence group/second sequence group includes the following: When describing the sequence: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ , ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ ; The sequence subgroup includes: the first sequence subgroup: ⁇ 1,j,1,j ⁇ , ⁇ 1,-j,1,-j ⁇ ; the second sequence subgroup: ⁇ 1,j,-1,-j ⁇ , ⁇ 1,-j,-1,j ⁇ .
  • sequence of the first sequence group/second sequence group includes the following sequences: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1, j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1,j ,j,1 ⁇ , ⁇ 1,j,j,-1,1,j ,j,-1 ⁇ , ⁇ 1,-j,-j,-1 ⁇ , ⁇ 1,-j,-j,1,-1,-j,j,-1 ⁇ , ⁇ 1,-j,j,1,-1,j,-j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ; or, the first The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-1,-j,-j,1,-1,-j,-j ⁇ , ⁇ 1,1,-j,j,1 ,1,-j,j ⁇ , ⁇ 1,-1,j,j,1,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1 ,j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1,1,-j,j,1 ⁇ , ⁇ 1,j,j,-1,1, j,j,-1 ⁇ , ⁇ 1,-j,-j,-1 ⁇ , ⁇ 1,-j,-j,-1 ⁇ , ⁇ 1,-j,-j,-1,-1,j,j,1 ⁇ , ⁇ 1,j,j,-1,-j,-1 ⁇ , ⁇ 1,j,j,-1,-1,-j,-j,1 ⁇ ; sequence subgroups include : First sequence subgroup: ⁇ 1,-j,-j,-1,1,-j,-j,-1 ⁇ , ⁇ 1,j,-j,1,1,j,-j,1 ⁇ , ⁇ 1,-j,j,1 ⁇ , ⁇ 1,j,j,-1 ⁇ 1,j,j,-1 ⁇ 1,j,
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,- 1,1,-1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1 ,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,-1,1,1,-1 ⁇ ; or, the first The sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,-1,1,1,1,-1 ⁇ , ⁇ 1,-1,1,1,1,-1, 1,1 ⁇ , ⁇ 1,1,-1,1,1,1,-1,1 ⁇ , ⁇ 1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,1,-1 ⁇ , ⁇ 1,-1,-1,-1
  • sequences of the first sequence group/second sequence group include the following sequences: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1, -1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,-1 ⁇ , ⁇ 1,1,-1,-1,1,1,- 1,-1,1 ⁇ , ⁇ 1,1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,1 ⁇ , ⁇ 1,1,-1,-1,-1,-1,1,1 ⁇ , ⁇ 1,-1,-1,1,-1,1,1,-1 ⁇ ; sequence subgroups include : First sequence subgroup: ⁇ 1,1,1,1,1,1,1 ⁇ , ⁇ 1,-1,1,-1,1,-1,1,-1 ⁇ , ⁇ 1, 1,-1,-1,1,1,-1,-1 ⁇ , ⁇ 1,-1,-1,1,1,-1,-1,1 ⁇ ; second sequence subgroup: ⁇ 1, 1,1,1,-1,-1,-1,-1 ⁇ , ⁇ 1,-1,1,-1,-1,
  • each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
  • FIG. 15 shows a schematic diagram of the composition of a communication device 60 .
  • the communication device 60 includes: at least one processor 601 and at least one interface circuit 604 .
  • the communication device 60 may further include a communication line 602 and a memory 603 .
  • the processor 601 can be a general-purpose central processing unit (central processing unit, CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more processors for controlling the execution of the programs of the present application. integrated circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • Communication line 602 may include a path to communicate information between the aforementioned components.
  • Interface circuit 604 using any transceiver-like device, for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
  • RAN radio access network
  • WLAN wireless local area networks
  • Memory 603 may be read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (RAM), or other types of storage devices that can store information and instructions It can also be an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disk storage, CD-ROM storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or capable of carrying or storing program code in the form of instructions or data structures and capable of being accessed by a computer any other medium, but not limited to.
  • the memory may exist independently and be connected to the processor through communication line 602 .
  • the memory can also be integrated with the processor.
  • the memory 603 is used for storing computer-executed instructions for executing the solutions of the present application, and the execution is controlled by the processor 601 .
  • the processor 601 is configured to execute the computer-executed instructions stored in the memory 603, thereby implementing the communication method provided by the embodiment of the present application.
  • the communication apparatus 60 when the processor 601 executes the instructions stored in the memory 603, the communication apparatus 60 is caused to perform the operations required to be performed by the network device as shown in FIG. 7 or FIG. 12 .
  • the communication apparatus 60 when the processor 601 executes the instructions stored in the memory 603, the communication apparatus 60 is caused to perform the operations that the terminal device as shown in FIG. 7 or FIG. 12 needs to perform.
  • the computer-executed instructions in the embodiment of the present application may also be referred to as application code, which is not specifically limited in the embodiment of the present application.
  • the processor 601 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 13 .
  • the apparatus 60 may include multiple processors, such as the processor 601 and the processor 607 in FIG. 13 .
  • processors can be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor.
  • a processor herein may refer to one or more devices, circuits, and/or processing cores for processing, eg, computer data (computer program instructions).
  • the apparatus 60 may further include an output device 605 and an input device 606 .
  • the output device 605 is in communication with the processor 601 and can display information in a variety of ways.
  • the output device 605 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector (projector) Wait.
  • Input device 606 is in communication with processor 601 and can receive user input in a variety of ways.
  • the input device 606 may be a mouse, a keyboard, a touch screen device or a sensing device, or the like.
  • the embodiment of the present application further provides a computer-readable storage medium, where an instruction is stored in the computer-readable storage medium, and when the instruction is executed, the method provided by the embodiment of the present application is executed.
  • an instruction is stored in the computer-readable storage medium, and when the instruction is executed, the method provided by the embodiment of the present application is executed.
  • the instruction when the instruction is executed, the operation that needs to be performed by the network device as shown in FIG. 7 or FIG. 12 is performed.
  • other operations that need to be performed by the terminal device as shown in FIG. 7 or FIG. 12 are performed.
  • Embodiments of the present application also provide a computer program product including instructions.
  • the computer can execute the methods provided by the embodiments of the present application.
  • the computer program product containing the instructions when executed on a computer, the computer can perform the operations that the network device as shown in FIG. 7 or FIG. 12 needs to perform.
  • the computer program product containing the instructions runs on the computer, the computer can perform other operations that the terminal device as shown in FIG. 7 or FIG. 12 needs to perform.
  • the embodiment of the present application also provides a chip.
  • the chip includes a processing circuit and an interface; the processing circuit is used to call and run the computer program stored in the storage medium from the storage medium, so that the chip can execute the method provided by the embodiments of the present application.
  • An embodiment of the present application further provides a communication system, including a first communication device and a second communication device; wherein: the first communication device is configured to perform the operations performed by the device for sending a reference signal in the foregoing embodiment; the second communication device , which is used to perform the operations performed by the device for receiving the reference signal in the foregoing embodiment.
  • the first communication device is used to perform the operation that needs to be performed by the terminal device in FIG. 7, or is used to perform the operation performed by the network device in FIG. 12; the second communication device is used to perform the operation that needs to be performed by the network device in FIG. 7, Or used to perform the operations performed by the terminal device in FIG. 12 .
  • the functions or actions or operations or steps in the above embodiments may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • a software program When implemented using a software program, it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be downloaded from a website site, computer, server, or data center Transmission to another website site, computer, server, or data center by wire (eg, coaxial cable, optical fiber, digital subscriber line, DSL) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer-readable storage medium can be any available medium that can be accessed by a computer, or data storage devices including one or more servers, data centers, etc. that can be integrated with the medium.
  • the usable media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVDs), or semiconductor media (eg, solid state disks (SSDs)), and the like.

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Abstract

The present application relates to the technical field of communications, and provides a communication method and device. The present application is used to reduce the interference between reference signals of different layers. The method comprises: receiving or sending a first signaling, different values of preset domain segments comprised in the first signaling corresponding to various reference signal combinations, respectively, all reference signals comprised in the various reference signal combinations forming a reference signal set, the reference signal set comprising at least two reference signal groups, any two reference signal groups meeting the following conditions: orthogonal code sequences W(·) of all reference signals in the first reference signal group forming a first sequence group and orthogonal code sequences W(·) of all reference signals in the second reference signal group forming a second sequence group, the first sequence group comprising at least two sequence subgroups, the second sequence group comprising at least two sequence subgroups, and sequences in one sequence subgroup in the first sequence group being orthogonal to sequences in some sequence subgroups in the second sequence group; and generating and sending at least one reference signal.

Description

通信方法及装置Communication method and device 技术领域technical field
本申请实施例涉及通信技术领域，尤其涉及一种通信方法及装置。The embodiments of the present application relate to the field of communication technologies, and in particular, to a communication method and apparatus.
背景技术Background technique
在现有移动通信系统中，系统支持的解调参考信号(demodulation reference signal,DMRS)的个数是受到限制的，从而限制了数据信道空分复用的层数(layer)，对每层的传输，都需要有对应的解调参考信号。以新空口(New RAT，NR)无线接入技术为例，当上行或下行通信采用基于循环前缀的正交频分复用(cyclic prefixed orthogonal frequency division multiplexing，CP-OFDM)波形时，CP-OFDM波形可以支持两种DMRS配置，即配置类型1(configuration type 1)和配置类型2(configuration type 2)。在配置类型1(configuration type 1)下，在一个资源块内，系统最大支持8个正交DMRS复用；在配置类型2(configuration type 2)下，在一个资源块内，系统最大支持12个正交DMRS复用。另外，上行还支持采用离散傅利叶变换扩展的正交频分复用(discrete fourier transform-spread-orthogonal frequency division multiplexing，DFT-S-OFDM)波形，默认采用DMRS配置类型1，系统最大支持8个正交DMRS复用。In the existing mobile communication system, the number of demodulation reference signals (DMRS) supported by the system is limited, which limits the number of layers (layers) of data channel space division multiplexing. For transmission, a corresponding demodulation reference signal is required. Taking New RAT (NR) wireless access technology as an example, when uplink or downlink communication adopts cyclic prefixed orthogonal frequency division multiplexing (CP-OFDM) waveform, CP-OFDM The waveform can support two DMRS configurations, namely configuration type 1 (configuration type 1) and configuration type 2 (configuration type 2). Under configuration type 1 (configuration type 1), within a resource block, the system supports a maximum of 8 orthogonal DMRS multiplexing; under configuration type 2 (configuration type 2), within a resource block, the system supports a maximum of 12 multiplexing Orthogonal DMRS multiplexing. In addition, the uplink also supports orthogonal frequency division multiplexing (discrete fourier transform-spread-orthogonal frequency division multiplexing, DFT-S-OFDM) waveforms using discrete Fourier transform expansion. By default, DMRS configuration type 1 is used, and the system supports a maximum of 8 positive Cross-DMRS multiplexing.
另一方面，随着移动通信的发展以及新兴业务的出现，对高速率的需求越来越大。增加多用户配对的数据信道的传输层数有利于提升系统吞吐量。但随着数据信道传输层数的增加，正交的DMRS可能会出现不够用的情况。当网络设备在对终端设备进行多用户配对时，如果实际配对的总层数超出系统支持的正交DMRS个数时，DMRS之间就会引入干扰，导致利用解调参考信号进行的信道估计的性能变差，影响数据信道多层传输的性能。On the other hand, with the development of mobile communication and the emergence of new services, the demand for high speed is increasing. Increasing the number of transmission layers of the multi-user paired data channel is beneficial to improve the system throughput. However, as the number of data channel transmission layers increases, orthogonal DMRS may be insufficient. When the network device performs multi-user pairing on the terminal device, if the total number of layers actually paired exceeds the number of orthogonal DMRSs supported by the system, interference will be introduced between the DMRSs, resulting in the use of demodulation reference signals for channel estimation. The performance deteriorates, affecting the performance of the multi-layer transmission of the data channel.
因此，如何在增加终端设备与网络设备之间的传输层数的同时，降低不同层之间的参考信号的干扰，这是目前需要解决的问题。Therefore, how to reduce the interference of reference signals between different layers while increasing the number of transmission layers between the terminal device and the network device is a problem that needs to be solved at present.
发明内容SUMMARY OF THE INVENTION
本申请实施例提供一种通信方法及装置，用于降低不同层的参考信号之间的干扰。为了达到以上目的，本申请实施例提供以下技术方案：Embodiments of the present application provide a communication method and apparatus for reducing interference between reference signals of different layers. In order to achieve the above purpose, the embodiments of the present application provide the following technical solutions:
第一方面，提供一种通信方法，该方法包括：接收或者发送第一信令；其中，所述第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号 的参考信号序列
Figure PCTCN2020119759-appb-000001
满足： A first aspect provides a communication method, the method includes: receiving or sending a first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal The combination includes at least one reference signal; wherein, different values of the preset field included in the first signaling correspond to each reference signal combination respectively; all the reference signals included in the reference signal combination are composed of A reference signal set, the reference signal set includes at least two reference signal groups; the reference signal sequence of each reference signal in the at least two reference signal groups
Figure PCTCN2020119759-appb-000001
Satisfy:
Figure PCTCN2020119759-appb-000002
Figure PCTCN2020119759-appb-000002
其中，r(m)为伪随机序列，m＝0,1,2..，A是非零复常数，t＝m mod N，正交码序列W(·)长度为N，自变量取值范围为0,1,…,N-1,c(·)为掩码序列，自变量取值范围为非负整数，
Figure PCTCN2020119759-appb-000003
Among them, r(m) is a pseudo-random sequence, m=0, 1, 2.., A is a non-zero complex constant, t=m mod N, the length of the orthogonal code sequence W(·) is N, and the value range of the independent variable is 0,1,...,N-1,c( ) is a mask sequence, the value range of the argument is a non-negative integer,
Figure PCTCN2020119759-appb-000003
所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000004
对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
Figure PCTCN2020119759-appb-000005
对应的正交码序列W(·)组成第二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的任一序列和所述第二序列组中的任一序列不同； Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
Figure PCTCN2020119759-appb-000004
The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000005
The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; any sequence in the first sequence group is different from any sequence in the second sequence group;
其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
生成并发送所述至少一个参考信号。The at least one reference signal is generated and transmitted.
在本申请实施例所提供的上述方法中，由于第一参考信号集合中所包括的至少两个参考信号组中，任意两个参考信号组满足特定条件(即第一参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000006
对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
Figure PCTCN2020119759-appb-000007
对应的正交码序列W(·)组成第二序列组；第一序列组中各序列正交；第二序列组中各序列正交；第一序列组中包括至少两个序列子组；第二序列组中包括至少两个序列子组；第一序列组中的一个序列子组中的序列与第二序列组中的部分序列子组中的序列正交；第一序列组中的序列和第二序列组中的序列不同)，所以相比现有技术，本申请上述方法可以提供更多的正交码序列，并且各正交码序列至少与所属序列组内的其他正交码序列正交，并且各正交码序列与其他序列组中的部分正交码序列正交。这样一来，采用本申请上述正交码序列得到的参考信号，能够与更多参考信号保持正交，从而降低不同层的参考信号之间的干扰。 In the above method provided by the embodiment of the present application, since any two reference signal groups in the at least two reference signal groups included in the first reference signal set satisfy a specific condition (that is, all the reference signal groups in the first reference signal group reference signal sequence
Figure PCTCN2020119759-appb-000006
The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000007
The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; The second sequence group includes at least two sequence subgroups; the sequence in one sequence subgroup in the first sequence group is orthogonal to the sequence in the partial sequence subgroup in the second sequence group; the sequences in the first sequence group and The sequences in the second sequence group are different), so compared with the prior art, the above method of the present application can provide more orthogonal code sequences, and each orthogonal code sequence is at least in line with other orthogonal code sequences in the sequence group to which it belongs. and each orthogonal code sequence is orthogonal to the partial orthogonal code sequences in other sequence groups. In this way, the reference signal obtained by using the above-mentioned orthogonal code sequence of the present application can be kept orthogonal to more reference signals, thereby reducing the interference between reference signals of different layers.
例如，当本申请所提供方法中的参考信号为DMRS时，以图6所示场景为例，可以使UE组3中的DMRS对应的正交码序列使用同一序列组中的同一序列子组中的正交码序列(例如第一序列组中的第一序列子组中的正交码序列)，并且使UE组4中的DMRS对应的正交码序列使用第一序列组中的第二序列子组中的正交码序列，并且使UE组5中DMRS对应的正交码序列使用第二序列组中的第三序列子组中的正交码序列(其中，第三序列子组中的序列与第二序列子组中的序列正交)。这样一来，便可以在增加传输层数的同时，降低不同层之间参考信号的干扰。For example, when the reference signal in the method provided by the present application is DMRS, taking the scenario shown in FIG. 6 as an example, the orthogonal code sequence corresponding to the DMRS in UE group 3 can be used in the same sequence subgroup in the same sequence group. the orthogonal code sequence (for example, the orthogonal code sequence in the first sequence subgroup in the first sequence group), and the orthogonal code sequence corresponding to the DMRS in UE group 4 uses the second sequence in the first sequence group The orthogonal code sequence in the subgroup, and the orthogonal code sequence corresponding to the DMRS in the UE group 5 uses the orthogonal code sequence in the third sequence subgroup in the second sequence group (wherein, the orthogonal code sequence in the third sequence subgroup is sequences are orthogonal to sequences in the second subset of sequences). In this way, the interference of reference signals between different layers can be reduced while increasing the number of transmission layers.
在一种实现方式中，所述至少一个参考信号包括两个或者两个以上参考信号时，所述两个或者两个以上参考信号对应的正交码序列W(·)属于同一序列子组。In an implementation manner, when the at least one reference signal includes two or more reference signals, the orthogonal code sequences W(·) corresponding to the two or more reference signals belong to the same sequence subgroup.
该实现方式中，在网络设备为终端设备指示参考信号时，通过将同一序列子组中的正交码序列所对应的两个或两个以上参考信号分配给同一终端设备，从而保证同一终端设备发送的两个或两个以上参考信号之间不存在干扰。另外，通过该实现方式，还可以达到在向除上述终端设备外的其他终端设备分配参考信号时，便于向其他终端设备分配与上述终端设备之间不存在干扰的参考信号。In this implementation, when the network device indicates the reference signal for the terminal device, two or more reference signals corresponding to the orthogonal code sequences in the same sequence subgroup are allocated to the same terminal device, thereby ensuring the same terminal device There is no interference between the two or more transmitted reference signals. In addition, through this implementation, when allocating reference signals to other terminal equipments other than the above-mentioned terminal equipment, it is convenient to allocate reference signals that do not interfere with the above-mentioned terminal equipments to other terminal equipments.
在一种实现方式中，所述各参考信号组合组成参考信号组合集合，所述参考信号组合集合满足：所述参考信号组合集合为所述参考信号集合中所有可能的参考信号组合的真子集，且所述参考信号组合集合至少包括同一序列子组中的序列对应的参考信号的各种组合。In an implementation manner, the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies: the reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, And the reference signal combination set includes at least various combinations of reference signals corresponding to sequences in the same sequence subgroup.
在一种实现方式中，当所述参考信号集合中的参考信号的频率资源包括相同的资源块时，所述第一序列组的序列对应的参考信号序列和所述第二序列组的序列对应的参考信号序列映射在所述相同的资源块中的相同的子载波上。In an implementation manner, when the frequency resources of the reference signals in the reference signal set include the same resource block, the reference signal sequence corresponding to the sequence of the first sequence group corresponds to the sequence of the second sequence group The reference signal sequences of , are mapped on the same subcarriers in the same resource block.
也就是说，当第一参考信号集合中的参考信号复用相同的资源块RB时，在映射过程中，可以使第一序列组的序列对应的参考信号序列和第二序列组的序列对应的参考信号序列复用相同的子载波。也可以理解为，在映射过程中，将第一序列组的序列对应的参考信号和第二序列组的序列对应的参考信号作为同一CDM组中的参考信号，来进行映射。That is to say, when the reference signals in the first reference signal set are multiplexed with the same resource block RB, in the mapping process, the reference signal sequence corresponding to the sequence of the first sequence group and the sequence corresponding to the sequence of the second sequence group may be The reference signal sequence multiplexes the same subcarriers. It can also be understood that, in the mapping process, the reference signals corresponding to the sequences of the first sequence group and the reference signals corresponding to the sequences of the second sequence group are used as reference signals in the same CDM group for mapping.
例如，在映射过程中，第一序列组对应的参考信号序列和第二序列组对应的参考信号序列的第一项均映射在同一RE上，第二项也映射在同一RE上，以此类推。For example, during the mapping process, the reference signal sequence corresponding to the first sequence group and the first item of the reference signal sequence corresponding to the second sequence group are both mapped to the same RE, the second item is also mapped to the same RE, and so on .
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；其中j为虚数单位。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1, 1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group includes the following sequence: {1,j,1,j} , {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j}; where j is an imaginary unit.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；序列子组包括：第一序列子组：{1,1,1,1}、{1,-1,1,-1}；第二序列子组：{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；序列子组包括：第一序列子组：{1,j,1,j}、{1,-j,1,-j}；第二序列子组：{1,j,-1,-j}、{1,-j,-1,j}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1 ,1,-1,-1}, {1,-1,-1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,1}, {1,-1,1 ,-1}; the second sequence subgroup: {1,1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group When including the following sequences: {1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j }; The sequence subgroup includes: the first sequence subgroup: {1,j,1,j}, {1,-j,1,-j}; the second sequence subgroup: {1,j,-1,- j}, {1,-j,-1,j}.
通过上述实现方式，可以增加参考信号所采用的正交码序列的个数，增加参考信号的个数，并且采用上述实现方式中正交码序列得到的参考信号能够与更多参考信号保持正交，从而降低不同层的参考信号之间的干扰。Through the above implementation manner, the number of orthogonal code sequences used by the reference signal can be increased, and the number of reference signals can be increased, and the reference signal obtained by using the orthogonal code sequence in the above implementation manner can be kept orthogonal to more reference signals , thereby reducing the interference between reference signals of different layers.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences:
{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；{1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j, j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}, {1,-j,-j,-1,-1,j ,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、 {1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；{1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1, j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,-j,-1,1 ,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。{1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j, 1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j ,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j}.
通过上述实现方式，可以增加参考信号所采用的正交码序列的个数，增加参考信号的个数，并且采用上述实现方式中正交码序列得到的参考信号能够与更多参考信号保持正交，从而降低不同层的参考信号之间的干扰。Through the above implementation manner, the number of orthogonal code sequences used by the reference signal can be increased, and the number of reference signals can be increased, and the reference signal obtained by using the orthogonal code sequence in the above implementation manner can be kept orthogonal to more reference signals , thereby reducing the interference between reference signals of different layers.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, { 1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1 ,j,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,- 1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, all The sequences of the first sequence group/second sequence group include the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j ,1,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j} , {1,-1,-j,-j,-1,1,j,j},{1,1,-j,j,-1,-1,j,-j},{1,-1 ,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; or, the first sequence group/second The sequences of the sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, { 1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1, 1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1 ,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences : {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j ,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1, j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j} , {1,j,1,-j,-1,-j,-1,j}.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；序列子组包括：第一序列子组：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}；第二序列子组：{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；序列子组包括：第一序列子组：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}；第二序列子组：{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列 包括下述序列时：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；序列子组包括：第一序列子组：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}；第二序列子组：{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。In an implementation manner, when the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1, 1,j,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j, -1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; sequencer The groups include: first sequence subgroups: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j, 1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}; second sequence subgroup: { 1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j ,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, the first sequence group/second sequence group When the sequence includes the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j }, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j ,-j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1 ,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; the sequence subgroup includes: the first sequence subgroup: {1,-1,-j, -j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1, j,j}, {1,1,j,-j,1,1,j,-j}; second sequence subgroup: {1,-1,-j,-j,-1,1,j, j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1, 1,j,-j,-1,-1,-j,j}; or, when the sequence of the first sequence group/second sequence group includes the following sequence: {1,1,1,1,1 ,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1 }, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,- 1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1 ,-1,1,1,-1}; the sequence subgroup includes: the first sequence Subgroups: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1 ,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: {1,1,1, 1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1 ,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences When: {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,- j,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1 ,j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j }, {1,j,1,-j,-1,-j,-1,j}; the sequence subgroup includes: the first sequence subgroup: {1,-j,-1,-j,1,- j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1,j,1,-j,1,j}, { 1,j,1,-j,1,j,1,-j}; second sequence subgroup: {1,-j,-1,-j,-1,j,1,j}, {1, j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j ,-1,-j,-1,j}.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1 ,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1, -1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1, 1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, all The sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,- 1,1,1}, {1,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1} , {1,1,1,-1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1, -1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1}.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；序列子组包括：第一序列子组：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}；第二序列子组：{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1, 1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1 ,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1 ,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; sequencer Groups include: First sequence subgroups: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, { 1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: { 1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1 ,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the first sequence group/second sequence group When the sequence includes the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1 ,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,- 1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,- 1,1,-1}, {1,-1,-1,-1,-1,1,1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,-1 ,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1,1,1,-1,1} , {1,-1,-1,-1,1,-1,-1,-1}; second sequence subgroup: {1,1,1,-1,-1,-1,-1, 1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1, -1,-1,-1,-1,1,1,1}.
在一种实现方式中，所述各参考信号组合中各参考信号为解调参考信号DMRS；所述第一信令为下行控制信息DCI。In an implementation manner, each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
第二方面，提供一种通信方法，该方法包括：接收或者发送第一信令；其中，第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号的参考信号序列
Figure PCTCN2020119759-appb-000008
满足： In a second aspect, a communication method is provided, the method comprising: receiving or sending first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; in the first reference signal combination Including at least one reference signal; wherein, different values of the preset field included in the first signaling correspond to each reference signal combination respectively; all reference signals included in each reference signal combination constitute a reference signal set, the reference signal set includes at least two reference signal groups; the reference signal sequence of each reference signal in the at least two reference signal groups
Figure PCTCN2020119759-appb-000008
Satisfy:
Figure PCTCN2020119759-appb-000009
Figure PCTCN2020119759-appb-000009
其中，r(m)为伪随机序列，m＝0,1,2..，A是非零复常数，正交码序列W(·)长度为N，自变量取值范围为0,1,…,N-1,t＝m mod N，c(·)为掩码序列，
Figure PCTCN2020119759-appb-000010
Among them, r(m) is a pseudo-random sequence, m=0,1,2..., A is a non-zero complex constant, the length of the orthogonal code sequence W(·) is N, and the value range of the independent variable is 0,1,... ,N-1,t=m mod N, c( ) is the mask sequence,
Figure PCTCN2020119759-appb-000010
所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000011
对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
Figure PCTCN2020119759-appb-000012
对应的正交码序列c(·)组成第 二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的序列和所述第二序列组中的序列不同； Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
Figure PCTCN2020119759-appb-000011
The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000012
The corresponding orthogonal code sequences c(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
接收所述至少一个参考信号。The at least one reference signal is received.
在一种实现方式中，所述至少一个参考信号包括两个或者两个以上参考信号时，所述两个或者两个以上参考信号对应的正交码序列W(·)属于同一序列子组。In an implementation manner, when the at least one reference signal includes two or more reference signals, the orthogonal code sequences W(·) corresponding to the two or more reference signals belong to the same sequence subgroup.
在一种实现方式中，所述各参考信号组合组成参考信号组合集合，所述参考信号组合集合满足：In an implementation manner, the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
所述参考信号组合集合为所述参考信号集合中所有可能的参考信号组合的真子集，且所述参考信号组合集合至少包括同一序列子组中的序列对应的参考信号的所有组合方式。The reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least all combinations of reference signals corresponding to sequences in the same sequence subset.
在一种实现方式中，当所述参考信号集合中的参考信号的频率资源包括相同的资源块时，所述第一序列组的序列对应的参考信号序列和所述第二序列组的序列对应的参考信号序列映射在所述相同的资源块中的相同的子载波上。In an implementation manner, when the frequency resources of the reference signals in the reference signal set include the same resource block, the reference signal sequence corresponding to the sequence of the first sequence group corresponds to the sequence of the second sequence group The reference signal sequences of , are mapped on the same subcarriers in the same resource block.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；其中j为虚数单位。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1, 1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group includes the following sequence: {1,j,1,j} , {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j}; where j is an imaginary unit.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；序列子组包括：第一序列子组：{1,1,1,1}、{1,-1,1,-1}；第二序列子组：{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；序列子组包括：第一序列子组：{1,j,1,j}、{1,-j,1,-j}；第二序列子组：{1,j,-1,-j}、{1,-j,-1,j}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1 ,1,-1,-1}, {1,-1,-1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,1}, {1,-1,1 ,-1}; the second sequence subgroup: {1,1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group When including the following sequences: {1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j }; The sequence subgroup includes: the first sequence subgroup: {1,j,1,j}, {1,-j,1,-j}; the second sequence subgroup: {1,j,-1,- j}, {1,-j,-1,j}.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, { 1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1 ,j,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,- 1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, all The sequences of the first sequence group/second sequence group include the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j ,1,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j} , {1,-1,-j,-j,-1,1,j,j},{1,1,-j,j,-1,-1,j,-j},{1,-1 ,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; or, the first sequence group/second The sequences of the sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, { 1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1, 1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1 ,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences : {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j ,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1, j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j} , {1,j,1,-j,-1,-j,-1,j};
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；序列子组包括：第一序列子组：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}；第二序列子组：{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；序列子组包括：第一序列子组：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}；第二序列子组：{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；序列子组包括：第一序列子组：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}；第二序列子组：{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。In an implementation manner, when the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1, 1,j,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j, -1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; sequencer The groups include: first sequence subgroups: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j, 1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}; second sequence subgroup: { 1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j ,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, the first sequence group/second sequence group When the sequence includes the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j }, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j ,-j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1 ,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; the sequence subgroup includes: the first sequence subgroup: {1,-1,-j, -j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1, j,j}, {1,1,j,-j,1,1,j,-j}; second sequence subgroup: {1,-1,-j,-j,-1,1,j, j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1, 1,j,-j,-1,-1,-j,j}; or, when the sequence of the first sequence group/second sequence group includes the following sequence: {1,1,1,1,1 ,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1 }, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,- 1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1 ,-1,1,1,-1}; the sequence subgroup includes: the first sequence Subgroups: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1 ,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: {1,1,1, 1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1 ,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences When: {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,- j,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1 ,j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j }, {1,j,1,-j,-1,-j,-1,j}; the sequence subgroup includes: the first sequence subgroup: {1,-j,-1,-j,1,- j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1,j,1,-j,1,j}, { 1,j,1,-j,1,j,1,-j}; second sequence subgroup: {1,-j,-1,-j,-1,j,1,j}, {1, j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j ,-1,-j,-1,j}.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1 ,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1, -1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1, 1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, all The sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,- 1,1,1}, {1,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1} , {1,1,1,-1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1, -1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1};
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；序列子组包括：第一序列子组：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}；第二序列子组：{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1, 1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1 ,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1 ,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; sequencer Groups include: First sequence subgroups: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, { 1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: { 1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1 ,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the first sequence group/second sequence group When the sequence includes the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1 ,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,- 1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,- 1,1,-1}, {1,-1,-1,-1,-1,1,1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,-1 ,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1,1,1,-1,1} , {1,-1,-1,-1,1,-1,-1,-1}; second sequence subgroup: {1,1,1,-1,-1,-1,-1, 1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1, -1,-1,-1,-1,1,1,1}.
在一种实现方式中，所述各参考信号组合中各参考信号为解调参考信号DMRS；所述第一信令为下行控制信息DCI。In an implementation manner, each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
第三方面，提供一种通信装置，包括：In a third aspect, a communication device is provided, comprising:
通信单元，用于接收或者发送第一信令；其中，所述第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号的参考信号序列
Figure PCTCN2020119759-appb-000013
满足： a communication unit, configured to receive or send first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein , the different values of the preset fields included in the first signaling correspond to respective reference signal combinations; all reference signals included in the reference signal combinations form a reference signal set, and the reference signal set At least two reference signal groups are included; the reference signal sequence of each reference signal in the at least two reference signal groups
Figure PCTCN2020119759-appb-000013
Satisfy:
Figure PCTCN2020119759-appb-000014
Figure PCTCN2020119759-appb-000014
其中，r(m)为伪随机序列，m＝0,1,2..，A是非零复常数，正交码序列W(·)长度为N,自变量取值范围为0,1,…,N-1,t＝m mod N，c(·)为掩码序列，自变量取值范围为非负整数，
Figure PCTCN2020119759-appb-000015
Among them, r(m) is a pseudo-random sequence, m=0,1,2..., A is a non-zero complex constant, the length of the orthogonal code sequence W(·) is N, and the value range of the independent variable is 0,1,... ,N-1,t=m mod N, c( ) is a mask sequence, and the value range of the independent variable is a non-negative integer,
Figure PCTCN2020119759-appb-000015
所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000016
对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
Figure PCTCN2020119759-appb-000017
对应的正交码序列W(·)组成第二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的序列和所述第二序列组中的序列不同； Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
Figure PCTCN2020119759-appb-000016
The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000017
The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
参考信号发送单元，用于生成并发送所述至少一个参考信号。A reference signal sending unit, configured to generate and send the at least one reference signal.
一种实现方式中，所述至少一个参考信号包括两个或者两个以上参考信号时，所述两个或者两个以上参考信号对应的正交码序列W(·)属于同一序列子组。In an implementation manner, when the at least one reference signal includes two or more reference signals, the orthogonal code sequences W(·) corresponding to the two or more reference signals belong to the same sequence subgroup.
一种实现方式中，所述各参考信号组合组成参考信号组合集合，所述参考信号组合集合满足：In an implementation manner, the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
所述参考信号组合集合为所述参考信号集合中所有可能的参考信号组合的真子集，且所述参考信号组合集合至少包括同一序列子组中的序列对应的参考信号的所有组合方式。The reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least all combinations of reference signals corresponding to sequences in the same sequence subset.
一种实现方式中，当所述参考信号集合中的参考信号的频率资源包括相同的资源块时，所述第一序列组的序列对应的参考信号序列和所述第二序列组的序列对应的参考信号序列映射在所述相同的资源块中的相同的子载波上。In an implementation manner, when the frequency resources of the reference signals in the reference signal set include the same resource block, the reference signal sequence corresponding to the sequence of the first sequence group and the sequence corresponding to the second sequence group Reference signal sequences are mapped on the same subcarriers in the same resource block.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；其中j为虚数单位。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1, 1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group includes the following sequence: {1,j,1,j} , {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j}; where j is an imaginary unit.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；序列子组包括：第一序列子组：{1,1,1,1}、{1,-1,1,-1}；第二序列子组：{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；序列子组包括：第一序列子组：{1,j,1,j}、{1,-j,1,-j}；第二序列子组：{1,j,-1,-j}、{1,-j,-1,j}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1 ,1,-1,-1}, {1,-1,-1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,1}, {1,-1,1 ,-1}; the second sequence subgroup: {1,1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group When including the following sequences: {1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j }; The sequence subgroup includes: the first sequence subgroup: {1,j,1,j}, {1,-j,1,-j}; the second sequence subgroup: {1,j,-1,- j}, {1,-j,-1,j}.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, { 1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1 ,j,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,- 1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, all The sequences of the first sequence group/second sequence group include the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j ,1,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j} , {1,-1,-j,-j,-1,1,j,j},{1,1,-j,j,-1,-1,j,-j},{1,-1 ,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; or, the first sequence group/second The sequences of the sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, { 1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1, 1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1 ,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences : {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j ,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1, j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j} , {1,j,1,-j,-1,-j,-1,j};
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；序列子组包括：第一序列子组：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}；第二序列子组：{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；序列子组包括：第一序列子组：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}；第二序列子组：{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；序列子组包括：第一序列子组：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}；第二序列子组：{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。In an implementation manner, when the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1, 1,j,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j, -1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; sequencer The groups include: first sequence subgroups: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j, 1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}; second sequence subgroup: { 1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j ,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, the first sequence group/second sequence group When the sequence includes the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j }, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j ,-j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1 ,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; the sequence subgroup includes: the first sequence subgroup: {1,-1,-j, -j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1, j,j}, {1,1,j,-j,1,1,j,-j}; second sequence subgroup: {1,-1,-j,-j,-1,1,j, j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1, 1,j,-j,-1,-1,-j,j}; or, when the sequence of the first sequence group/second sequence group includes the following sequence: {1,1,1,1,1 ,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1 }, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,- 1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1 ,-1,1,1,-1}; the sequence subgroup includes: the first sequence Subgroups: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1 ,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: {1,1,1, 1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1 ,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences When: {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,- j,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1 ,j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j }, {1,j,1,-j,-1,-j,-1,j}; the sequence subgroup includes: the first sequence subgroup: {1,-j,-1,-j,1,- j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1,j,1,-j,1,j}, { 1,j,1,-j,1,j,1,-j}; second sequence subgroup: {1,-j,-1,-j,-1,j,1,j}, {1, j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j ,-1,-j,-1,j}.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列： {1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1 ,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1, -1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1, 1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, all The sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,- 1,1,1}, {1,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1} , {1,1,1,-1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1, -1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1};
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；序列子组包括：第一序列子组：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}；第二序列子组：{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1, 1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1 ,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1 ,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; sequencer Groups include: First sequence subgroups: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, { 1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: { 1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1 ,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the first sequence group/second sequence group When the sequence includes the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1 ,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,- 1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,- 1,1,-1}, {1,-1,-1,-1,-1,1,1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,-1 ,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1,1,1,-1,1} , {1,-1,-1,-1,1,-1,-1,-1}; second sequence subgroup: {1,1,1,-1,-1,-1,-1, 1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1, -1,-1,-1,-1,1,1,1}.
一种实现方式中，所述各参考信号组合中各参考信号为解调参考信号DMRS；所述第一信令为下行控制信息DCI。In an implementation manner, each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
第四方面，提供一种通信装置，包括：In a fourth aspect, a communication device is provided, comprising:
通信单元，用于接收或者发送第一信令；其中，第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号的参考信号序列
Figure PCTCN2020119759-appb-000018
满足： a communication unit, configured to receive or send a first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein, the Different values of the preset fields included in the first signaling respectively correspond to each reference signal combination; all reference signals included in each reference signal combination form a reference signal set, and the reference signal set includes at least one reference signal set. Two reference signal groups; reference signal sequences of each reference signal in the at least two reference signal groups
Figure PCTCN2020119759-appb-000018
Satisfy:
Figure PCTCN2020119759-appb-000019
Figure PCTCN2020119759-appb-000019
其中，r(m)为伪随机序列，m＝0,1,2..，A是非零复常数，正交码序列W(·)长度为N,自变量取值范围为0,1,…,N-1,t＝m mod N，c(·)为掩码序列，自变量取值范围为非负整数，
Figure PCTCN2020119759-appb-000020
Among them, r(m) is a pseudo-random sequence, m=0,1,2..., A is a non-zero complex constant, the length of the orthogonal code sequence W(·) is N, and the value range of the independent variable is 0,1,... ,N-1,t=m mod N, c( ) is a mask sequence, and the value range of the independent variable is a non-negative integer,
Figure PCTCN2020119759-appb-000020
所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000021
对应的正交码序列v组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
Figure PCTCN2020119759-appb-000022
对应的正交码序列W(·)组成第二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的序列和所述第二序列组中的序列不同； Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
Figure PCTCN2020119759-appb-000021
The corresponding orthogonal code sequence v constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000022
The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
参考信号接收单元，用于接收所述至少一个参考信号。A reference signal receiving unit, configured to receive the at least one reference signal.
一种实现方式中，所述至少一个参考信号包括两个或者两个以上参考信号时，所述两个或者两个以上参考信号对应的正交码序列W(·)属于同一序列子组。In an implementation manner, when the at least one reference signal includes two or more reference signals, the orthogonal code sequences W(·) corresponding to the two or more reference signals belong to the same sequence subgroup.
一种实现方式中，所述各参考信号组合组成参考信号组合集合，所述参考信号组合集合满足：In an implementation manner, the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
所述参考信号组合集合为所述参考信号集合中所有可能的参考信号组合的真子集，且所述参考信号组合集合至少包括同一序列子组中的序列对应的参考信号的所有组合方式。The reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least all combinations of reference signals corresponding to sequences in the same sequence subset.
一种实现方式中，当所述参考信号集合中的参考信号的频率资源包括相同的资源块时，所述第一序列组的序列对应的参考信号序列和所述第二序列组的序列对应的参考信号序列映射在所述相同的资源块中的相同的子载波上。In an implementation manner, when the frequency resources of the reference signals in the reference signal set include the same resource block, the reference signal sequence corresponding to the sequence of the first sequence group and the sequence corresponding to the second sequence group Reference signal sequences are mapped on the same subcarriers in the same resource block.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；其中j为虚数单位。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1, 1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group includes the following sequence: {1,j,1,j} , {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j}; where j is an imaginary unit.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；序列子组包括：第一序列子组：{1,1,1,1}、{1,-1,1,-1}；第二序列子组：{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；序列子组包括：第一序列子组：{1,j,1,j}、{1,-j,1,-j}；第二序列子组：{1,j,-1,-j}、{1,-j,-1,j}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1 ,1,-1,-1}, {1,-1,-1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,1}, {1,-1,1 ,-1}; the second sequence subgroup: {1,1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group When including the following sequences: {1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j }; The sequence subgroup includes: the first sequence subgroup: {1,j,1,j}, {1,-j,1,-j}; the second sequence subgroup: {1,j,-1,- j}, {1,-j,-1,j}.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, { 1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1 ,j,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,- 1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, all The sequences of the first sequence group/second sequence group include the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j ,1,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j} , {1,-1,-j,-j,-1,1,j,j},{1,1,-j,j,-1,-1,j,-j},{1,-1 ,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; or, the first sequence group/second The sequences of the sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, { 1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1, 1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1 ,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences : {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j ,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1, j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j} , {1,j,1,-j,-1,-j,-1,j};
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；序列子组包括：第一序列子组：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}；第二序列子组：{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、 {1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；序列子组包括：第一序列子组：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}；第二序列子组：{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；序列子组包括：第一序列子组：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}；第二序列子组：{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。In an implementation manner, when the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1, 1,j,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j, -1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; sequencer The groups include: first sequence subgroups: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j, 1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}; second sequence subgroup: { 1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j ,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, the first sequence group/second sequence group When the sequence includes the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j }, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j ,-j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1 ,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; the sequence subgroup includes: the first sequence subgroup: {1,-1,-j, -j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1, j,j}, {1,1,j,-j,1,1,j,-j}; second sequence subgroup: {1,-1,-j,-j,-1,1,j, j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1, 1,j,-j,-1,-1,-j,j}; or, when the sequence of the first sequence group/second sequence group includes the following sequence: {1,1,1,1,1 ,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1 }, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,- 1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1 ,-1,1,1,-1}; the sequence subgroup includes: the first sequence Column subgroups: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1 ,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: {1,1,1, 1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1 ,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences When: {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,- j,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1 ,j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j }, {1,j,1,-j,-1,-j,-1,j}; the sequence subgroup includes: the first sequence subgroup: {1,-j,-1,-j,1,- j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1,j,1,-j,1,j}, { 1,j,1,-j,1,j,1,-j}; second sequence subgroup: {1,-j,-1,-j,-1,j,1,j}, {1, j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j ,-1,-j,-1,j}.
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1 ,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1, -1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1, 1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, all The sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,- 1,1,1}, {1,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1} , {1,1,1,-1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1, -1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1};
在一种实现方式中，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；序列子组包括：第一序列子组：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}；第二序列子组：{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。In an implementation manner, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1, 1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1 ,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1 ,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; sequencer Groups include: First sequence subgroups: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, { 1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: { 1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1 ,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the first sequence group/second sequence group When the sequence includes the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1 ,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,- 1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,- 1,1,-1}, {1,-1,-1,-1,-1,1,1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,-1 ,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1,1,1,-1,1} , {1,-1,-1,-1,1,-1,-1,-1}; second sequence subgroup: {1,1,1,-1,-1,-1,-1, 1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1, -1,-1,-1,-1,1,1,1}.
一种实现方式中，所述各参考信号组合中各参考信号为解调参考信号DMRS；所述第一信令为下行控制信息DCI。In an implementation manner, each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
第五方面，提供一种通信装置，包括至少一个处理器和接口电路，所述至少一个处理器用于通过所述接口电路与其它装置通信，以执行如上述第一方面所述的通信方法。In a fifth aspect, a communication device is provided, comprising at least one processor and an interface circuit, the at least one processor is configured to communicate with other devices through the interface circuit, so as to execute the communication method according to the above-mentioned first aspect.
第六方面，提供一种通信装置，所述通信装置包括至少一个处理器和接口电路，所述至少一个处理器用于通过所述接口电路与其它装置通信，以执行如上述第一方面 所述的通信方法。In a sixth aspect, a communication device is provided, the communication device includes at least one processor and an interface circuit, the at least one processor is configured to communicate with other devices through the interface circuit, so as to execute the above-mentioned first aspect communication method.
第七方面，提供一种芯片，所述芯片包括处理电路和接口；所述处理电路用于从存储介质中调用并运行所述存储介质中存储的计算机程序，以执行如上述第一方面所述的通信方法，或者，执行如上述第二方面所述的通信方法。In a seventh aspect, a chip is provided, the chip includes a processing circuit and an interface; the processing circuit is configured to call and run a computer program stored in the storage medium from a storage medium to execute the above-mentioned first aspect the communication method, or, execute the communication method described in the second aspect above.
第八方面，提供一种计算机可读存储介质，所述计算机可读存储介质中存储有指令；当所述指令运行时，执行如上述第一方面所述的通信方法，或者，执行如上述第二方面所述的通信方法。In an eighth aspect, a computer-readable storage medium is provided, and instructions are stored in the computer-readable storage medium; when the instructions are executed, the communication method described in the first aspect above is executed, or the communication method described in the above-mentioned first aspect is executed. The communication method described in the second aspect.
第九方面，提供一种计算机程序产品，其特征在于，包括指令；当所述指令在计算机上运行时，使得计算机执行如上述第一方面所述的通信方法，或者，使得计算机执行如上述第二方面所述的通信方法。In a ninth aspect, a computer program product is provided, which is characterized by comprising instructions; when the instructions are executed on a computer, the computer is caused to execute the communication method described in the first aspect above, or the computer is caused to execute the communication method described in the above-mentioned first aspect. The communication method described in the second aspect.
第十方面，提供一种通信系统，包括：第一通信设备和第二通信设备；其中：所述第一通信设备，用于执行上述第一方面所述的方法；所述第二通信设备，用于执行上述第二方面所述的方法。In a tenth aspect, a communication system is provided, comprising: a first communication device and a second communication device; wherein: the first communication device is configured to execute the method described in the first aspect; the second communication device, for performing the method described in the second aspect above.
上述第二方面至第十方面中任一种技术方案所带来的技术效果可以参见上述第一方面所提供技术方案所带来的技术效果，此处不再赘述。For the technical effect brought by any one of the technical solutions in the second aspect to the tenth aspect, reference may be made to the technical effect brought by the technical solution provided in the first aspect, which will not be repeated here.
附图说明Description of drawings
图1为现有技术提供的一种导频图的示意图之一；1 is one of the schematic diagrams of a pilot pattern provided in the prior art;
图2为现有技术提供的一种导频图的示意图之二；2 is the second schematic diagram of a pilot pattern provided by the prior art;
图3为现有技术提供的一种导频图的示意图之三；FIG. 3 is a third schematic diagram of a pilot pattern provided by the prior art;
图4为本申请实施例提供的一种网络架构示意图之一；FIG. 4 is one of schematic diagrams of a network architecture provided by an embodiment of the present application;
图5为本申请实施例提供的一种网络架构示意图之二；FIG. 5 is the second schematic diagram of a network architecture provided by an embodiment of the present application;
图6为本申请实施例提供的一种网络架构示意图之三；FIG. 6 is a third schematic diagram of a network architecture provided by an embodiment of the present application;
图7为本申请实施例提供的一种通信方法的流程示意图之一；FIG. 7 is one of the schematic flowcharts of a communication method provided by an embodiment of the present application;
图8为本申请实施例提供的一种正交码序列的划分方式的示意图；8 is a schematic diagram of a division manner of an orthogonal code sequence provided by an embodiment of the present application;
图9A为本申请实施例提供的一种导频图的示意图之一；FIG. 9A is one of schematic diagrams of a pilot pattern provided by an embodiment of the present application;
图9B为本申请实施例提供的一种导频图的示意图之二；FIG. 9B is the second schematic diagram of a pilot pattern provided by an embodiment of the present application;
图10为本申请实施例提供的一种导频图的示意图之三；FIG. 10 is a third schematic diagram of a pilot pattern provided by an embodiment of the present application;
图11为本申请实施例提供的一种导频图的示意图之四；FIG. 11 is a fourth schematic diagram of a pilot pattern provided by an embodiment of the present application;
图12为本申请实施例提供的一种通信方法的流程示意图之二；FIG. 12 is the second schematic flowchart of a communication method provided by an embodiment of the present application;
图13为本申请实施例提供的一种通信装置的结构示意图之一；FIG. 13 is one of schematic structural diagrams of a communication device provided by an embodiment of the present application;
图14为本申请实施例提供的一种通信装置的结构示意图之二；FIG. 14 is the second schematic structural diagram of a communication device provided by an embodiment of the present application;
图15为本申请实施例提供的一种通信装置的结构示意图之三。FIG. 15 is a third schematic structural diagram of a communication apparatus according to an embodiment of the present application.
具体实施方式Detailed ways
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。其中，为了便于清楚描述本申请实施例的技术方案，在本申请的实施例中，采用了“第一”、“第二”等字样对功能和作用基本相同的相同项或相似项进行区分。本领域技术人员可以理解“第一”、“第二”等字样并不对数量和执行次序进行限定，并且“第一”、“第二”等字样也并不限定一定不同。同时，在本申请实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念，便于理解。The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application. Among them, in order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, words such as "first" and "second" are used to distinguish the same or similar items with basically the same function and effect. Those skilled in the art can understand that the words "first", "second" and the like do not limit the quantity and execution order, and the words "first", "second" and the like are not necessarily different. Meanwhile, in the embodiments of the present application, words such as "exemplary" or "for example" are used to represent examples, illustrations or illustrations. Any embodiments or designs described in the embodiments of the present application as "exemplary" or "such as" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present the related concepts in a specific manner to facilitate understanding.
本申请实施例描述的网络架构以及业务场景是为了更加清楚的说明本申请实施例的技术方案，并不构成对于本申请实施例提供的技术方案的限定，本领域普通技术人员可知，随着网络架构的演变和新业务场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。The network architecture and service scenarios described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. The evolution of the architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
以下对本申请实施例所涉及的相关技术进行介绍：The related technologies involved in the embodiments of the present application are introduced below:
1、资源块(resource BLOCK，RB)1. Resource block (resource BLOCK, RB)
在无线资源中，在时域上最小的资源粒度可以是一个正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)符号(symbol)，可简称为符号(symbol)；在频域上，最小的资源粒度可以是一个子载波。一个OFDM符号和一个子载波组成一个资源元素(resource element，RE)，如图1所示。物理层在进行资源映射的时候，是以RE为基本单位的。RB是数据信道分配的频域基本调度单位，一个RB包括频域上的12个子载波。In wireless resources, the smallest resource granularity in the time domain may be an Orthogonal Frequency Division Multiplexing (OFDM) symbol (symbol), which may be referred to as a symbol for short; in the frequency domain, the smallest The resource granularity may be one subcarrier. One OFDM symbol and one subcarrier form a resource element (RE), as shown in Figure 1. When the physical layer performs resource mapping, the RE is the basic unit. An RB is a frequency domain basic scheduling unit for data channel allocation, and one RB includes 12 subcarriers in the frequency domain.
2、解调参考信号(demodulation reference signal，DMRS)2. Demodulation reference signal (DMRS)
目前，通信系统中，DMRS用于上下行信道估计。例如，可以利用DMRS对物理下行共享信道(physical downlink shared channel，PDSCH)或者物理上行共享信道(physical uplink shared channel，PUSCH)进行信道估计，以便对上下行数据相干解调。其中，PDSCH和PUSCH分别用于承载下行和上行发送的数据，DMRS是和PDSCH或者PUSCH伴随着传输的。通常DMRS位于PDSCH或者PUSCH所占时隙的前几个符号。At present, in a communication system, DMRS is used for uplink and downlink channel estimation. For example, DMRS can be used to perform channel estimation on a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH), so as to coherently demodulate uplink and downlink data. Among them, PDSCH and PUSCH are used to carry data sent in downlink and uplink respectively, and DMRS is transmitted along with PDSCH or PUSCH. Usually, the DMRS is located in the first few symbols of the time slot occupied by the PDSCH or PUSCH.
在多天线系统的上下行传输过程中，根据每个用户设备(user equipment，UE)的信道条件等因素为每个被调度的UE分配一定数量的并行数据流，其中每个数据流称为一层传输(层：layer)，不同层的数据流采用不同的空域预编码向量。以5G新空口(new radio,NR)系统为例，下行单用户多输入多输出(single user-multiple  input multiple output，SU-MIMO)最多支持8层传输，；上行SU-MIMO最多支持4层传输。上下行的多用户多输入多输出(multiple user-multiple input multiple output，MU-MIMO)最多支持12层传输。其中，每层传输可以分别对应一个DMRS，这个DMRS用来进行这个层的传输的信道估计。In the uplink and downlink transmission process of the multi-antenna system, a certain number of parallel data streams are allocated to each scheduled UE according to the channel conditions of each user equipment (UE), and each data stream is called a Layer transmission (layer: layer), data streams of different layers use different spatial domain precoding vectors. Taking the 5G new radio (NR) system as an example, the downlink single user-multiple input multiple output (SU-MIMO) supports up to 8 layers of transmission, and the uplink SU-MIMO supports up to 4 layers of transmission . The uplink and downlink multi-user multiple input multiple output (multiple user-multiple input multiple output, MU-MIMO) supports up to 12 layers of transmission. Wherein, each layer of transmission may correspond to a DMRS respectively, and this DMRS is used to perform channel estimation for the transmission of this layer.
每个DMRS对应的预编码向量和其对应的层的传输的预编码向量相同，接收端可以根据每个DMRS分别做信道估计，得到不同层的传输的信道估计值。其中不同的DMRS对应不同的索引，这里的索引可以是DMRS端口号。The precoding vector corresponding to each DMRS is the same as the precoding vector for transmission of the corresponding layer, and the receiving end can perform channel estimation according to each DMRS to obtain channel estimation values for transmission of different layers. Different DMRSs correspond to different indexes, and the index here may be a DMRS port number.
当上下行通信采用循环前缀正交频分复用(cyclic prefix-orthogonal frequency division multiplexing，CP-OFDM)波形时，DMRS可以利用伪随机序列生成。具体的，在NR系统中DMRS的扰码序列r(n)可以由序列c(n)经过正交相移键控(quadrature phase shift keying，QPSK)调制得到，c(n)可以被定义为Gold序列。进而r(n)可以表示为：When a cyclic prefix-orthogonal frequency division multiplexing (CP-OFDM) waveform is used for uplink and downlink communications, the DMRS can be generated using a pseudo-random sequence. Specifically, in the NR system, the DMRS scrambling sequence r(n) can be obtained from the sequence c(n) through quadrature phase shift keying (QPSK) modulation, and c(n) can be defined as Gold sequence. Then r(n) can be expressed as:
Figure PCTCN2020119759-appb-000023
Figure PCTCN2020119759-appb-000023
其中，in,
c(n)＝(x 1(n+N C)+x 2(n+N C))mod 2 c(n)=(x 1 (n+ NC )+x 2 (n+ NC ))mod 2
x 1(n+31)＝(x 1(n+3)+x 1(n))mod 2 x 1 (n+31)=(x 1 (n+3)+x 1 (n))mod 2
x 2(n+31)＝(x 2(n+3)+x 2(n+2)+x 2(n+1)+x 2(n))mod 2 x 2 (n+31)=(x 2 (n+3)+x 2 (n+2)+x 2 (n+1)+x 2 (n))mod 2
其中，N C＝1600，x 1(n)可以初始化为x 1(0)＝1,x 1(n)＝0,n＝1,2,...,30，x 2(n)满足
Figure PCTCN2020119759-appb-000024
以PUSCH为例，c init由DMRS扰码标识(Identity document，ID)、小区ID、DMRS的子帧位置和符号位置等信息决定。 Wherein, N C =1600, x 1 (n) can be initialized as x 1 (0)=1, x 1 (n)=0, n=1, 2, . . . , 30, and x 2 (n) satisfies
Figure PCTCN2020119759-appb-000024
Taking PUSCH as an example, c init is determined by information such as a DMRS scrambling code identifier (Identity document, ID), a cell ID, a DMRS subframe location and a symbol location.
在多层传输中各层对应的DMRS复用相同的时频资源，共用同一个扰码序列r(n)。另外，为了保证各层传输对应的DMRS之间的正交性，需要在扰码序列上叠加各层传输对应的正交码(orthogonal cover code，OCC)。In multi-layer transmission, the DMRS corresponding to each layer multiplex the same time-frequency resources and share the same scrambling code sequence r(n). In addition, in order to ensure the orthogonality between the DMRSs corresponding to the transmission of each layer, it is necessary to superimpose the orthogonal code (orthogonal cover code, OCC) corresponding to the transmission of each layer on the scrambling code sequence.
具体的，在多层传输对应的DMRS复用相同的时频资源的情况下，根据DMRS所采用的配置类型，在频域上不同的DMRS端口被划分成了不同的码分复用(code division multiplexing，CDM)组(group)。例如，目前一些协议中可以支持两种DMRS配置类型，即配置类型1和配置类型2。其中，同一个CDM组内的不同端口的DMRS利用正交码来进行时频域上的扩展，并保证不同端口的DMRS的正交性，不同CDM组的DMRS之间采用频分方式来保证DMRS相互正交。Specifically, in the case where the DMRS corresponding to the multi-layer transmission multiplex the same time-frequency resources, according to the configuration type adopted by the DMRS, different DMRS ports in the frequency domain are divided into different code division multiplexing (code division multiplexing). multiplexing, CDM) group (group). For example, currently some protocols may support two DMRS configuration types, ie, configuration type 1 and configuration type 2. Among them, the DMRSs of different ports in the same CDM group use orthogonal codes to expand in the time-frequency domain, and ensure the orthogonality of the DMRSs of different ports, and the DMRS of different CDM groups adopt frequency division to ensure the DMRS. orthogonal to each other.
以采用CP-OFDM波形的PUSCH DMRS为例，图2所示为一种采用配置类型1的DMRS的导频图案的示意图。其中，当为DMRS配置一个符号时，图2中的(a)中两种图案的资源元素(resource element，RE)分别表示CDM组0和CDM组1所占RE，p0,p1,p2,p3分别表示DMRS端口索引。其中，在同一个CDM组内，采用正交码(码长为2)来保证同一CDM组内的两个DMRS端口的DMRS正交。不同CDM组 之间采用频分的方式，来保证不同CDM组之间的DMRS相互正交。当DMRS配置采用类型1并且DMRS配置一个符号时，系统最大支持4个DMRS端口的正交DMRS复用。Taking a PUSCH DMRS using a CP-OFDM waveform as an example, FIG. 2 is a schematic diagram of a pilot pattern of a DMRS using configuration type 1. Among them, when a symbol is configured for the DMRS, the resource elements (resource elements, RE) of the two patterns in (a) in Figure 2 represent the REs occupied by CDM group 0 and CDM group 1, respectively, p0, p1, p2, p3 respectively represent the DMRS port index. Wherein, in the same CDM group, an orthogonal code (code length of 2) is used to ensure that the DMRSs of the two DMRS ports in the same CDM group are orthogonal. A frequency division method is adopted between different CDM groups to ensure that the DMRSs between different CDM groups are mutually orthogonal. When the DMRS configuration adopts type 1 and the DMRS configuration is one symbol, the system supports orthogonal DMRS multiplexing of 4 DMRS ports at most.
当为DMRS配置两个符号时，图2中的(b)中两种图案的RE分别表示CDM组0和CDM组1所占RE，p0,p1,...,p6,p7分别表示DMRS端口索引。其中，在同一个CDM组内，采用正交码(码长为4)来保证同一CDM组内的4个DMRS端口的DMRS序列正交。当DMRS配置采用类型1并且DMRS配置二个符号时，系统最大支持8个DMRS端口正交。When two symbols are configured for DMRS, the REs of the two patterns in (b) in Figure 2 represent the REs occupied by CDM group 0 and CDM group 1, respectively, and p0, p1, ..., p6, p7 respectively represent the DMRS ports index. Wherein, in the same CDM group, orthogonal codes (code length 4) are used to ensure that the DMRS sequences of the four DMRS ports in the same CDM group are orthogonal. When the DMRS configuration adopts type 1 and the DMRS is configured with two symbols, the system supports a maximum of 8 DMRS ports that are orthogonal.
再例如，图3所示为一种采用配置类型2的DMRS的导频图案的示意图。其中，当为DMRS配置一个符号时，图3中的(a)中三种图案的RE分别表示三个CDM组所占RE，p0,p1,p2,...p4,p5分别表示DMRS端口索引。其中，在同一个CDM组内，采用码长为2的正交码来保证同一CDM组内的两个DMRS端口的DMRS序列正交。当采用类型2并且DMRS配置一个符号时，系统最大支持6个DMRS正交复用。For another example, FIG. 3 is a schematic diagram of a pilot pattern of a DMRS using configuration type 2. As shown in FIG. Among them, when a symbol is configured for DMRS, the REs of the three patterns in Fig. 3 (a) respectively represent the REs occupied by the three CDM groups, and p0, p1, p2,...p4, p5 respectively represent the DMRS port indices . Wherein, in the same CDM group, an orthogonal code with a code length of 2 is used to ensure that the DMRS sequences of the two DMRS ports in the same CDM group are orthogonal. When type 2 is used and one DMRS is configured for one symbol, the system supports a maximum of 6 DMRS orthogonal multiplexing.
当为DMRS配置两个符号时，图3中的(b)中三种图案的RE分别表示三个CDM组所占RE，p0,p1,p2,...p10,p11分别表示DMRS端口索引。其中，在同一个CDM组内，采用码长为4的正交码来保证同一CDM组内的四个DMRS端口的DMRS序列正交。可以看出，当采用采用类型2并且DMRS配置二个符号时，系统最大支持12个DMRS正交复用。When two symbols are configured for the DMRS, the REs of the three patterns in (b) of FIG. 3 respectively represent the REs occupied by the three CDM groups, and p0, p1, p2, . . . p10, p11 respectively represent the DMRS port indices. Wherein, in the same CDM group, an orthogonal code with a code length of 4 is used to ensure that the DMRS sequences of the four DMRS ports in the same CDM group are orthogonal. It can be seen that when adopting type 2 and configuring two DMRS symbols, the system supports a maximum of 12 DMRS orthogonal multiplexing.
另外，在上行或下行传输中，基站需要通过物理下行控制信道(Physical Downlink Control Channel，PDCCH)中的下行控制信息(Downlink Control Information，DCI)来向UE指示DMRS端口的分配情况。一些情况下，为了在MU-MIMO中支持联合接收算法，以便更好的抑制干扰，不但需要指示每个被调度的UE自身的DMRS端口的分配情况，还需要在DCI中指示与之共同被调度的UE的DMRS的端口分配情况。In addition, in uplink or downlink transmission, the base station needs to indicate the allocation of DMRS ports to the UE through downlink control information (Downlink Control Information, DCI) in the physical downlink control channel (Physical Downlink Control Channel, PDCCH). In some cases, in order to support the joint reception algorithm in MU-MIMO to better suppress interference, it is not only necessary to indicate the allocation of the DMRS port of each scheduled UE, but also to indicate in the DCI that it is co-scheduled with it. The port allocation situation of the DMRS of the UE.
以下结合示例，对本申请实施例所提供的技术方案进行介绍。本申请实施例所提供技术方案可应用于各类通信系统，例如采用NR技术、长期演进(long term evolution，LTE)技术或其他无线接入技术的通信系统。The technical solutions provided by the embodiments of the present application will be introduced below with reference to examples. The technical solutions provided in the embodiments of the present application can be applied to various communication systems, for example, a communication system using an NR technology, a long term evolution (long term evolution, LTE) technology or other wireless access technologies.
示例性的，图4为应用本申请实施例所提供技术方案的一种网络架构的示意图。其中，该网络中可以包括：终端设备、无线接入通信网络(radio access network，RAN)或者接入通信网络(access network，AN)(RAN和AN统称为(R)AN)，以及核心网(core network，CN)。Exemplarily, FIG. 4 is a schematic diagram of a network architecture to which the technical solutions provided by the embodiments of the present application are applied. The network may include: terminal equipment, a radio access network (RAN) or an access network (AN) (RAN and AN are collectively referred to as (R)AN), and a core network ( core network, CN).
其中，终端设备可以是一种具有无线收发功能的设备。该终端设备可以有不同的名称，例如用户设备(user equipment，UE)、接入设备、终端单元、终端站、移动站、移动台、远方站、远程终端、移动设备、无线通信设备、终端代理或终端装置等。终端设备可以被部署在陆地上，包括室内或室外、手持或车载；也可以被部署在水面上(如轮船等)；还可以被部署在空中(例如飞机、气球和卫星上等)。终端设备包括具有无线通信功能的手持式设备、车载设备、可穿戴设备或者计算设备。例如，终 端设备可以是手机(mobile phone)、平板电脑或带无线收发功能的电脑。终端设备还可以是虚拟现实(virtual reality，VR)设备、增强现实(augmented reality，AR)设备、工业控制终端额无线终端、无人驾驶中的无线终端、远程医疗中的无线终端、智能电网中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等。本申请实施例中，用于实现终端设备的功能的装置可以是终端设备，也可以是能够支持终端设备实现该功能的装置，例如芯片系统等。本申请中，芯片系统可以有芯片构成，也可以包括芯片和其他分立器件。The terminal device may be a device with a wireless transceiver function. The terminal equipment may have different names, such as user equipment (UE), access equipment, terminal unit, terminal station, mobile station, mobile station, remote station, remote terminal, mobile device, wireless communication device, terminal agent or terminal device, etc. Terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle; can also be deployed on water (such as ships, etc.); can also be deployed in the air (such as aircraft, balloons and satellites, etc.). Terminal devices include handheld devices, vehicle-mounted devices, wearable devices or computing devices with wireless communication functions. For example, the terminal device may be a mobile phone, a tablet computer, or a computer with a wireless transceiver function. The terminal device can also be a virtual reality (VR) device, an augmented reality (AR) device, an industrial control terminal, a wireless terminal, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, and a smart grid. wireless terminals, wireless terminals in smart cities, wireless terminals in smart homes, etc. In the embodiments of the present application, the apparatus for implementing the function of the terminal device may be the terminal device, or may be an apparatus capable of supporting the terminal device to implement the function, such as a chip system. In this application, the chip system may be composed of chips, and may also include chips and other discrete devices.
(R)AN中，主要包括接入网设备。接入网设备也可以称为基站。基站可以包括各种形式的基站。例如：宏基站，微基站(也称为小站)，中继站，接入点等。具体可以为：是无线局域网(Wireless Local Area Network，WLAN)中的接入点(access point，AP)，全球移动通信系统(Global System for Mobile Communications，GSM)或码分多址接入(Code Division Multiple Access，CDMA)中的基站(Base Transceiver Station，BTS)，也可以是宽带码分多址(Wideband Code Division Multiple Access，WCDMA)中的基站(NodeB，NB)，还可以是LTE中的演进型基站(Evolved Node B，eNB或eNodeB)，或者中继站或接入点，或者车载设备、可穿戴设备以及5G网络中的下一代节点B(The Next Generation Node B，gNB)或者未来演进的公用陆地移动网(Public Land Mobile Network，PLMN)网络中的基站等。The (R)AN mainly includes access network equipment. An access network device may also be referred to as a base station. The base station may include various forms of base station. For example: macro base station, micro base station (also called small station), relay station, access point, etc. Specifically, it can be: an access point (AP) in a wireless local area network (Wireless Local Area Network, WLAN), a global system for mobile communications (Global System for Mobile Communications, GSM) or a code division multiple access (Code Division Multiple Access) The base station (Base Transceiver Station, BTS) in Multiple Access (CDMA), the base station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), or the evolved type in LTE Base station (Evolved Node B, eNB or eNodeB), or relay station or access point, or in-vehicle equipment, wearable device and the next generation node B (The Next Generation Node B, gNB) in 5G network or future evolution of public land mobile Network (Public Land Mobile Network, PLMN) network base station and so on.
基站，通常包括基带单元(baseband unit，BBU)、射频拉远单元(remote radio unit，RRU)、天线、以及用于连接RRU和天线的馈线。其中，BBU用于负责信号调制。RRU用于负责射频处理。天线用于负责线缆上导行波和空气中空间波之间的转换。一方面，分布式基站大大缩短了RRU和天线之间馈线的长度，可以减少信号损耗，也可以降低馈线的成本。另一方面，RRU加天线比较小，可以随地安装，让网络规划更加灵活。除了RRU拉远之外，还可以把BBU全部都集中起来放置在中心机房(central office，CO)，通过这种集中化的方式，可以极大减少基站机房数量，减少配套设备，特别是空调的能耗，可以减少大量的碳排放。此外，分散的BBU集中起来变成BBU基带池之后，可以统一管理和调度，资源调配更加灵活。这种模式下，所有的实体基站演变成了虚拟基站。所有的虚拟基站在BBU基带池中共享用户的数据收发、信道质量等信息，相互协作，使得联合调度得以实现。在一些部署中，基站可以包括集中式单元(centralized unit，CU)和分布式单元(distributed unit，DU)。基站还可以包括有源天线单元(active antenna unit，AAU)。CU实现基站的部分功能，DU实现基站的部分功能。比如，CU负责处理非实时协议和服务，实现无线资源控制(radio resource control，RRC)，分组数据汇聚层协议(packet data convergence protocol，PDCP)层的功能。DU负责处理物理层协议和实时服务，实现无线链路控制(radio link control，简称RLC)、媒体接入控制(media access control，MAC)和物理(physical，PHY)层的功能。AAU实现部分物理层处理功能、射频处理及有源天线的相关功能。由于RRC层的信息最终会变成PHY层的信息，或者，由PHY层的信息转变而来，因而，在这种架构下，高层信令，如RRC层信令或PDCP层信令，也可以认为是由DU发送的，或者，由DU+AAU发送的。可以理解的是，在本申请实施例中，接入网设备可以 为包括CU节点、DU节点、AAU节点中一项或多项的设备。此外，CU可以划分为RAN中的网络设备，也可以将CU划分为核心网(core network，CN)中的网络设备，在此可以不做限制。A base station usually includes a baseband unit (BBU), a remote radio unit (RRU), an antenna, and a feeder for connecting the RRU and the antenna. Among them, the BBU is used for signal modulation. The RRU is responsible for radio frequency processing. The antenna is responsible for the conversion between the guided traveling waves on the cable and the space waves in the air. On the one hand, the distributed base station greatly shortens the length of the feeder between the RRU and the antenna, which can reduce the signal loss and the cost of the feeder. On the other hand, the RRU plus antenna is relatively small and can be installed anywhere, making network planning more flexible. In addition to the remote RRU, all BBUs can be centralized and placed in the central office (CO). This centralized method can greatly reduce the number of base station computer rooms and reduce supporting equipment, especially air conditioners. Energy consumption can reduce a lot of carbon emissions. In addition, after the scattered BBUs are integrated into a BBU baseband pool, they can be managed and scheduled in a unified manner, and resource allocation is more flexible. In this mode, all physical base stations have evolved into virtual base stations. All virtual base stations share the user's data transmission and reception, channel quality and other information in the BBU baseband pool, and cooperate with each other to realize joint scheduling. In some deployments, a base station may include a centralized unit (CU) and a distributed unit (DU). The base station may also include an active antenna unit (AAU). The CU implements some functions of the base station, and the DU implements some functions of the base station. For example, the CU is responsible for processing non-real-time protocols and services, and implementing functions of radio resource control (RRC) and packet data convergence protocol (PDCP) layers. The DU is responsible for processing physical layer protocols and real-time services, and implementing functions of the radio link control (RLC), media access control (MAC), and physical (PHY) layers. AAU implements some physical layer processing functions, radio frequency processing and related functions of active antennas. Since the information of the RRC layer will eventually become the information of the PHY layer, or be transformed from the information of the PHY layer, therefore, under this architecture, higher-layer signaling, such as RRC layer signaling or PDCP layer signaling, can also It is considered to be sent by DU, or, sent by DU+AAU. It can be understood that, in this embodiment of the present application, the access network device may be a device including one or more of a CU node, a DU node, and an AAU node. In addition, the CU can be divided into network devices in the RAN, and the CU can also be divided into network devices in the core network (core network, CN), which is not limited here.
核心网包括多个核心网网元(或者称为网络功能网元)，例如图4中，在第五代移动通信技术(5th-Generation，5G)系统中核心网包括：接入和移动管理(access and mobility management services，AMF)网元、会话管理功能(session management function，SMF)网元、PCF网元、用户面功能(user plane function，UPF)网元、应用层功能(application function)网元、AUSF网元、以及UDM网元。The core network includes multiple core network network elements (or called network function network elements). For example, in FIG. 4, in the fifth-generation mobile communication technology (5th-Generation, 5G) system, the core network includes: access and mobility management ( access and mobility management services, AMF) network element, session management function (session management function, SMF) network element, PCF network element, user plane function (user plane function, UPF) network element, application layer function (application function) network element , AUSF network element, and UDM network element.
此外，核心网还可以包括一些图4中未示出的网元，例如：安全锚功能(security anchor function，SEAF)网元、认证凭证库以及处理功能(authentication credential repository and processing function，ARPF)，本申请实施例在此不予赘述。In addition, the core network may also include some network elements not shown in FIG. 4, such as: security anchor function (security anchor function, SEAF) network element, authentication credential repository and processing function (authentication credential repository and processing function, ARPF), The embodiments of the present application will not be repeated here.
另外，在无线通信网络中，按照发送节点和接收节点种类的不同，可以将通信分为不同类型。例如，将网络设备向终端设备发送的信息称为下行(downlink，DL)通信；将终端设备向网络设备发送的信息称为上行(uplink，UL)通信。其中，网络设备具体可以指基站或核心网中能够与终端设备进行信息交互的网元。In addition, in a wireless communication network, communication can be classified into different types according to the types of transmitting nodes and receiving nodes. For example, the information sent by the network device to the terminal device is called downlink (downlink, DL) communication; the information sent by the terminal device to the network device is called uplink (uplink, UL) communication. The network device may specifically refer to a network element in a base station or a core network that can exchange information with the terminal device.
以下，对本申请实施例的发明构思进行介绍：Below, the inventive concept of the embodiment of the present application is introduced:
目前，随着移动通信的发展，需要通过增加网络配对的传输层数来提升系统性能。而由上述相关技术的描述可知，网络配对的传输层数受到系统最大支持的正交DMRS端口数的限制。At present, with the development of mobile communication, it is necessary to improve the system performance by increasing the number of transmission layers for network pairing. However, it can be known from the above description of the related art that the number of transmission layers for network pairing is limited by the maximum number of orthogonal DMRS ports supported by the system.
为了避免网络配对的传输层数受到系统最大支持的正交DMRS端口的限制，现有技术中通常采用使用多种扰码序列的方式，来达到扩充端口数的目的。In order to avoid that the number of transmission layers for network pairing is limited by the orthogonal DMRS ports that the system can support the most, in the prior art, multiple scrambling sequences are usually used to achieve the purpose of expanding the number of ports.
具体的，如图5所示，为本申请实施例提供的一种通信系统的示意图。其中该通信系统中可以包括网络设备101以及与网络设备101连接的一个或多个终端设备102(包括图中终端设备102_1、终端设备102_2、……终端设备102_n、终端设备102_n+1、终端设备102_n+2、……终端设备102_n+m)。其中，网络设备101具体可以为接入网设备，例如网络设备101可以是图4中(R)AN中的设备，或者网络设备101具体可以为核心网中能够与终端设备进行信息交互的网元。一个或多个终端设备102可以为上述图4中的终端设备。Specifically, as shown in FIG. 5 , it is a schematic diagram of a communication system provided by an embodiment of the present application. The communication system may include a network device 101 and one or more terminal devices 102 connected to the network device 101 (including terminal device 102_1, terminal device 102_2, ... terminal device 102_n, terminal device 102_n+1, terminal device 102_n+2, ... terminal equipment 102_n+m). The network device 101 may specifically be an access network device, for example, the network device 101 may be a device in (R)AN in FIG. 4 , or the network device 101 may specifically be a network element in the core network that can exchange information with the terminal device . One or more terminal devices 102 may be the above-mentioned terminal devices in FIG. 4 .
在图5所示通信系统中，在一个或多个终端设备102向网络设备101发送上行信息，或者网络设备101向一个或多个终端设备102发送下行信息的情况下，网络配对的传输层数受限于系统最大支持的正交复用的DMRS的端口数。例如上行通信中，为保持各层传输对应的DMRS的正交性，在采用图2中(a)所示DMRS为配置类型1并且DMRS配置两个符号的情况下网络配对的传输层数不能超过8层，或者在采用图2中(b)所示DMRS为配置类型2并且DMRS配置两个符号的情况下网络配对的传输层数不能超过12层。In the communication system shown in FIG. 5, when one or more terminal devices 102 send uplink information to the network device 101, or the network device 101 sends downlink information to one or more terminal devices 102, the number of transmission layers for network pairing Limited by the maximum number of orthogonal multiplexed DMRS ports supported by the system. For example, in uplink communication, in order to maintain the orthogonality of the DMRS corresponding to the transmission of each layer, when the DMRS shown in (a) in Figure 2 is used as configuration type 1 and the DMRS is configured with two symbols, the number of transmission layers paired by the network cannot exceed 8 layers, or when the DMRS shown in FIG. 2 (b) is of configuration type 2 and the DMRS is configured with two symbols, the number of transmission layers for network pairing cannot exceed 12 layers.
为了支持更多传输层数，目前一种可能的设计中，可以采用使多个DMRS端口对应不同的扰码序列r(n)，以达到扩充DMRS端口数的目的。例如，在图5所示系统系统中，通过使UE组1中采用的DMRS端口使用一种扰码序列，UE组2中采用的DMRS端口使用另一种扰码序列，进而避免了系统最大支持的正交复用的DMRS的端口数对传输层数的限制，从而达到扩充端口数的目的。而这种情况下，由于各DMRS端口在使用相同的时频资源时，若使用的扰码序列不同则即使在其上叠加正交码也无法保证正交性，也就是说在图5中各UE组内的DMRS端口虽然可以保持正交不会相互干扰，但在UE组1与UE组2之间则由于端口之间不正交会相关产生干扰，影响信道估计的性能。具体的，在图5中，UE组1中采用的DMRS之间相互正交，UE组2中采用的DMRS之间相互正交，UE组1中的各DMRS与UE组2中的各DMRS之间则均会产生干扰。In order to support more transmission layers, in a possible design at present, multiple DMRS ports may correspond to different scrambling code sequences r(n), so as to achieve the purpose of expanding the number of DMRS ports. For example, in the system shown in FIG. 5 , the DMRS ports used in UE group 1 use one scrambling sequence, and the DMRS ports used in UE group 2 use another scrambling sequence, thereby avoiding the maximum support of the system. The number of ports of the orthogonal multiplexed DMRS limits the number of transmission layers, so as to achieve the purpose of expanding the number of ports. In this case, since each DMRS port uses the same time-frequency resource, if the used scrambling code sequence is different, even if the orthogonal code is superimposed on it, the orthogonality cannot be guaranteed. Although the DMRS ports in the UE group can be kept orthogonal and will not interfere with each other, but between the UE group 1 and the UE group 2, the ports are not orthogonal to each other and will cause interference, which affects the performance of channel estimation. Specifically, in FIG. 5 , the DMRSs used in UE group 1 are orthogonal to each other, the DMRSs used in UE group 2 are orthogonal to each other, and the difference between each DMRS in UE group 1 and each DMRS in UE group 2 is Interference will occur.
再例如，在上行多传输接收点(transmission reception point，TRP)联合接收场景下，图6所示为本申请实施例提供的另一种通信系统的示意图。其中，该通信系统中可以包括网络设备201、网络设备202、与网络设备201连接的一个或多个终端设备203(包括图中终端设备203_1、终端设备203_2、……终端设备203_n、终端设备203_n+1、……终端设备203_n+m)，以及与网络设备202连接的一个或多个终端设备204(包括图中终端设备204_1、终端设备204_2、……终端设备204_n)，另外终端设备202_n+1、……终端设备202_n+m还与网络设备202连接。其中，网络设备201和网络设备202需要联合接收UE组4的信号、测量UE组4的信道。For another example, in an uplink multi-transmission reception point (transmission reception point, TRP) joint reception scenario, FIG. 6 is a schematic diagram of another communication system provided by an embodiment of the present application. The communication system may include a network device 201, a network device 202, and one or more terminal devices 203 connected to the network device 201 (including the terminal device 203_1, terminal device 203_2, ... terminal device 203_n, terminal device 203_n in the figure). +1, ... terminal device 203_n+m), and one or more terminal devices 204 connected to the network device 202 (including terminal device 204_1, terminal device 204_2, ... terminal device 204_n in the figure), and another terminal device 202_n+ 1. The terminal device 202_n+m is also connected to the network device 202 . The network device 201 and the network device 202 need to jointly receive the signals of the UE group 4 and measure the channels of the UE group 4 .
其中，网络设备201和网络设备202具体可以为接入网设备，例如图4中(R)AN中的设备，或者网络设备201和网络设备202具体可以为核心网中能够与终端设备进行信息交互的网元。一个或多个终端设备102可以为上述图4中的终端设备。The network device 201 and the network device 202 may specifically be access network devices, such as the devices in (R)AN in FIG. 4 , or the network device 201 and the network device 202 may specifically be the core network capable of information exchange with terminal devices network element. One or more terminal devices 102 may be the above-mentioned terminal devices in FIG. 4 .
另外，为了扩充DMRS端口数，不同小区之间分配不同的扰码序列，扰码序列之间相互不正交，例如图6中UE组3和UE组4采用同一种扰码序列、UE组5采用另一种扰码序列。那么，由于UE组4和UE组5采用不同扰码序列，因此在网络设备202在接收UE组4的信号时，UE组5的DMRS会对UE组4的DMRS产生强干扰，进而导致UE组4的信道估计性能下降严重。In addition, in order to expand the number of DMRS ports, different scrambling code sequences are allocated between different cells, and the scrambling code sequences are not orthogonal to each other. For example, UE group 3 and UE group 4 in FIG. Another scrambling sequence is used. Then, since UE group 4 and UE group 5 use different scrambling code sequences, when the network device 202 receives the signal of UE group 4, the DMRS of UE group 5 will cause strong interference to the DMRS of UE group 4, thereby causing the UE group The channel estimation performance of 4 degrades severely.
可以看出，上述现有技术通过使用多种扰码序列的方式来扩充DMRS端口的这种方法，存在不同传输层之间DMRS干扰严重的问题。It can be seen that the above-mentioned method of expanding the DMRS port by using multiple scrambling sequences in the prior art has the problem of serious DMRS interference between different transmission layers.
在当前导频信号的配置类型下，比如如图2中的(b)所示，一个扰码序列叠加4长OCC可得到占用相同RE的端口为p0、p1、p4、p5的4个DMRS，引入一组新的4长OCC，可新增加4个DMRS，可记为端口p0′、p1′、p4′、p5′，则端口p0′、p1′、p4′、p5′对应的DMRS与端口p0、p1、p4、p5对应的DMRS占用相同RE。可达到扩充DMRS个数的目的，进而增加传输层数。基于此思路，同时为了降低不同层之间参考信号的干扰，本申请实施例提供一种通信方法，如图7所示，该方法包括：S301、网络设备发送第一指令。Under the configuration type of the current pilot signal, for example, as shown in (b) in Figure 2, a scrambling code sequence is superimposed with 4 long OCCs to obtain 4 DMRSs occupying the same RE ports as p0, p1, p4, and p5, A new set of 4-length OCCs is introduced, and 4 DMRSs can be added, which can be recorded as ports p0', p1', p4', p5', then the DMRS and ports corresponding to ports p0', p1', p4', p5' The DMRSs corresponding to p0, p1, p4, and p5 occupy the same RE. The purpose of expanding the number of DMRSs can be achieved, thereby increasing the number of transmission layers. Based on this idea, and in order to reduce the interference of reference signals between different layers, an embodiment of the present application provides a communication method. As shown in FIG. 7 , the method includes: S301 . A network device sends a first instruction.
其中，网络设备可以为接入网设备，例如网络设备可以为图4中(R)AN中的设备，或者网络设备可以为核心网中能够与终端设备进行信息交互的网元。The network device may be an access network device, for example, the network device may be the device in (R)AN in FIG. 4 , or the network device may be a network element in the core network capable of information interaction with the terminal device.
其中，第一信令包括的预设域段，指示第一参考信号组合。第一参考信号组合中包括至少一个参考信号。The preset field included in the first signaling indicates the first reference signal combination. The first reference signal combination includes at least one reference signal.
其中，第一信令中包括的预设域段的取值不同，分别对应各参考信号组合。也就是说，当为第一信令中包括的预设域段赋不同取值的情况下，第一信令可以对应不同的参考信号组合。进而，可以通过网络设备发送预设域段取值不同的第一信令，向接收端设备指示不同的参考信号组合。Wherein, the values of the preset fields included in the first signaling are different, and correspond to each reference signal combination respectively. That is, when different values are assigned to the preset fields included in the first signaling, the first signaling may correspond to different reference signal combinations. Furthermore, the first signaling with different preset field values may be sent by the network device to indicate different reference signal combinations to the receiving end device.
具体的，第一信令可以是下行控制信息(downlink control information，DCI)。各参考信号组合，可以是DMRS的组合。Specifically, the first signaling may be downlink control information (downlink control information, DCI). Each reference signal combination may be a combination of DMRSs.
上述各参考信号组合包括的所有的参考信号组成参考信号集合(为便于将该参考信号集合与其他参考信号集合进行区别，下文将该参考信号集合称为“第一参考信号集合”)。例如，上述各参考信号组合包括组合1、组合2以及组合3。其中，组合1中包括参考信号a、参考信号b；组合2中包括参考信号c、参考信号d、参考信号e；组合3中包括参考信号f、参考信号g。那么，第一参考信号集合中包括参考信号a、参考信号b、参考信号c、参考信号d、参考信号e、参考信号f、参考信号g。另外，不同参考信号组合中的参考信号可以存在交集。例如，上述各参考信号组合包括组合1和组合2，其中组合1中包括参考信号h，组合2中包括参考信号h、参考信号i。此时第一参考信号集合中包括参考信号h和参考信号i。All the reference signals included in the above reference signal combinations form a reference signal set (for the convenience of distinguishing the reference signal set from other reference signal sets, the reference signal set is hereinafter referred to as the "first reference signal set"). For example, the above reference signal combinations include combination 1, combination 2, and combination 3. Wherein, combination 1 includes reference signal a and reference signal b; combination 2 includes reference signal c, reference signal d, and reference signal e; combination 3 includes reference signal f and reference signal g. Then, the first reference signal set includes reference signal a, reference signal b, reference signal c, reference signal d, reference signal e, reference signal f, and reference signal g. In addition, reference signals in different reference signal combinations may have intersections. For example, the above reference signal combinations include combination 1 and combination 2, wherein combination 1 includes reference signal h, and combination 2 includes reference signal h and reference signal i. At this time, the first reference signal set includes reference signal h and reference signal i.
其中，第一参考信号集合包括至少两个参考信号组。至少两个参考信号组中各参考信号的参考信号序列
Figure PCTCN2020119759-appb-000025
满足： Wherein, the first reference signal set includes at least two reference signal groups. Reference signal sequences for each reference signal in at least two reference signal groups
Figure PCTCN2020119759-appb-000025
Satisfy:
Figure PCTCN2020119759-appb-000026
Figure PCTCN2020119759-appb-000026
其中，r(m)为伪随机序列。例如，当第一参考信号集合为DMRS集合时，r(m)为DMRS的扰码序列。又例如，r(m)可以复用现有技术的的生成方式，如上述NR系统中的生成方式。Among them, r(m) is a pseudo-random sequence. For example, when the first reference signal set is the DMRS set, r(m) is the scrambling sequence of the DMRS. For another example, r(m) may reuse the generation method in the prior art, such as the generation method in the above-mentioned NR system.
m为整数，即m＝0,1,2...。具体的，当参考信号序列
Figure PCTCN2020119759-appb-000027
长度为M时，m＝0,1,2...M-1。 m is an integer, ie m=0,1,2.... Specifically, when the reference signal sequence
Figure PCTCN2020119759-appb-000027
When the length is M, m=0,1,2...M-1.
A是非零复常数。在具体实施过程中，本领域技术人员可以根据需要赋予A的取值。例如，技术人员可以根据发送参考信号的设备的发射功率，确定A的取值。也就是说，对于A的取值，本申请实施例可以不做限制。A is a nonzero complex constant. In the specific implementation process, those skilled in the art can assign the value of A as required. For example, a technician can determine the value of A according to the transmit power of the device sending the reference signal. That is to say, the value of A may not be limited in this embodiment of the present application.
t＝m mod N，
Figure PCTCN2020119759-appb-000028
t=m mod N,
Figure PCTCN2020119759-appb-000028
正交码序列W(·)长度为N，自变量取值范围为0,1,2,…,N-1。例如，当所述第一参考信号集合为DMRS集合时，正交码序列W(·)可以是各DMRS的OCC。The length of the orthogonal code sequence W(·) is N, and the value range of the independent variable is 0, 1, 2, ..., N-1. For example, when the first reference signal set is a DMRS set, the orthogonal code sequence W(·) may be the OCC of each DMRS.
c(·)为掩码序列，其长度依赖于M，为
Figure PCTCN2020119759-appb-000029
c( ) is a mask sequence whose length depends on M and is
Figure PCTCN2020119759-appb-000029
Figure PCTCN2020119759-appb-000030
表示上取整，
Figure PCTCN2020119759-appb-000031
表示下取整。下同，不再赘述。
Figure PCTCN2020119759-appb-000030
means rounded up,
Figure PCTCN2020119759-appb-000031
Indicates rounded down. The same will be given below, and will not be repeated here.
另外，上述至少两个参考信号组中任意两个参考信号组，以第一参考信号组和第二参考信号组进行说明，满足以下条件：In addition, any two reference signal groups in the above at least two reference signal groups are described as the first reference signal group and the second reference signal group, and the following conditions are satisfied:
第一参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000032
对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000033
对应的正交码序列W(·)组成第二序列组。其中： Reference signal sequences of all reference signals in the first reference signal group
Figure PCTCN2020119759-appb-000032
The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000033
The corresponding orthogonal code sequences W(·) form the second sequence group. in:
首先，第一序列组中各序列正交，第二序列组中各序列正交。第一序列组中的任意一个序列和第二序列组中的任意一个序列不同。First, the sequences in the first sequence group are orthogonal, and the sequences in the second sequence group are orthogonal. Any one of the sequences in the first sequence group is different from any one of the sequences in the second sequence group.
例如，第一序列集合包括：序列组a和序列组b。其中，序列组a中包括{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；序列组b中包括{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}。可以看出，其中，序列组a中各序列正交，序列组b中各序列正交。序列组a中的任意一个序列和序列组b中的任意一个序列不同。For example, the first sequence set includes: sequence group a and sequence group b. Among them, the sequence group a includes {1,1,1,1}, {1,-1,1,-1}, {1,1,-1,-1}, {1,-1,-1, 1}; sequence group b includes {1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1 ,j}. It can be seen that the sequences in the sequence group a are orthogonal, and the sequences in the sequence group b are orthogonal. Any sequence in sequence group a is different from any sequence in sequence group b.
其中j为虚数单位。where j is the imaginary unit.
另外，第一序列组中包括至少两个序列子组，第二序列组中包括至少两个序列子组。第一序列组中的一个序列子组中的序列与第二序列组中的部分序列子组中的序列正交。In addition, the first sequence group includes at least two sequence subgroups, and the second sequence group includes at least two sequence subgroups. The sequences in one of the sequence subgroups in the first sequence group are orthogonal to the sequences in the partial sequence subgroup in the second sequence group.
例如，如图8所示，第一参考信号组中所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000034
对应的正交码序列W(·)组成图8中的第一序列组，第一序列组中包括两个序列子组：第一序列子组和第二序列子组。第二参考信号组中所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000035
对应的正交码序列W(t)组成图8中的第二序列组，第二序列组中包括两个序列子组：第三序列子组和第四序列子组。其中，第一序列组中各序列正交，第二序列组中各序列正交。第一序列组中的任意一个序列和第二序列组中的任意一个序列不同。 For example, as shown in FIG. 8, the reference signal sequences of all reference signals in the first reference signal group
Figure PCTCN2020119759-appb-000034
The corresponding orthogonal code sequences W(·) form the first sequence group in FIG. 8 , and the first sequence group includes two sequence subgroups: the first sequence subgroup and the second sequence subgroup. Reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000035
The corresponding orthogonal code sequence W(t) forms the second sequence group in FIG. 8 , and the second sequence group includes two sequence subgroups: the third sequence subgroup and the fourth sequence subgroup. The sequences in the first sequence group are orthogonal, and the sequences in the second sequence group are orthogonal. Any one of the sequences in the first sequence group is different from any one of the sequences in the second sequence group.
另外，第一序列组中的序列，与第二序列组中的部分序列子组中的序列正交，与第二序列组中另一部分序列子组中的序列不正交。即，图8中，要满足以下两个条件中的一个：In addition, the sequences in the first sequence group are orthogonal to sequences in the partial sequence subgroup in the second sequence group, and are not orthogonal to sequences in another partial sequence subgroup in the second sequence group. That is, in Figure 8, one of the following two conditions must be satisfied:
第一、第一序列子组中的序列与第三序列子组中的序列正交，与第四序列子组中的序列不正交。第二序列子组中的序列与第三序列子组中的序列不正交，与第四序列子组中的序列正交。The sequences in the first and first sequence subgroups are orthogonal to the sequences in the third sequence subgroup, and are not orthogonal to the sequences in the fourth sequence subgroup. The sequences in the second sequence subgroup are not orthogonal to the sequences in the third sequence subgroup, and are orthogonal to the sequences in the fourth sequence subgroup.
需要说明的是，本申请中所描述一个序列子组中的序列与另一个序列子组中的序列不正交，具体表示：这两个序列子组中至少存在一对序列之间不正交，除不正交的序列对之外，这两个序列子组中也可以包括正交的序列对。例如，上文中第一序列子组中序列与第四序列子组中的序列不正交，即第一序列子组中至少存在一个序列与第四序列子组中的至少一个序列不正交。It should be noted that the sequences in one sequence subgroup described in this application are not orthogonal to the sequences in another sequence subgroup, which specifically means that there are at least one pair of sequences that are not orthogonal between the two sequence subgroups. , in addition to non-orthogonal sequence pairs, the two sequence subgroups may also include orthogonal sequence pairs. For example, the sequences in the first sequence subgroup are not orthogonal to the sequences in the fourth sequence subgroup, that is, at least one sequence in the first sequence subgroup is not orthogonal to at least one sequence in the fourth sequence subgroup.
第二、第一序列子组中的序列与第三序列子组中的序列不正交，与第四序列子组中的序列正交。第二序列子组中的序列与第三序列子组中的序列正交，与第四序列子组中的序列不正交。Second, the sequences in the first sequence subgroup are not orthogonal to the sequences in the third sequence subgroup, and are orthogonal to the sequences in the fourth sequence subgroup. The sequences in the second sequence subgroup are orthogonal to the sequences in the third sequence subgroup and are not orthogonal to the sequences in the fourth sequence subgroup.
再例如，以上文为例：序列组a包括序列子组1和序列子组2；序列组b包括序列子组3和序列子组4。其中，序列子组1中包括{1,1,1,1}、{1,-1,1,-1}；序列子组2 中包括：{1,1,-1,-1}、{1,-1,-1,1}；序列子组3中包括：{1,j,1,j}、{1,-j,1,-j}；序列子组4中包括：{1,j,-1,-j}、{1,-j,-1,j}。For another example, taking the above as an example: sequence group a includes sequence subgroup 1 and sequence subgroup 2; sequence group b includes sequence subgroup 3 and sequence subgroup 4. Among them, sequence subgroup 1 includes {1,1,1,1}, {1,-1,1,-1}; sequence subgroup 2 includes: {1,1,-1,-1}, { 1,-1,-1,1}; sequence subgroup 3 includes: {1,j,1,j}, {1,-j,1,-j}; sequence subgroup 4 includes: {1, j,-1,-j}, {1,-j,-1,j}.
可以看出，序列子组1中的各个序列与序列子组3中的各个序列均不正交，序列子组1中的各个序列与序列子组4中的各个序列均正交；序列子组2中的各个序列与序列子组3中的各个序列均正交，序列子组2中的各个序列与序列子组4中的各个序列均不正交。即就是说：序列组a中的一个序列子组中的序列与序列组b中的部分序列子组中的序列正交。It can be seen that each sequence in sequence subgroup 1 is not orthogonal to each sequence in sequence subgroup 3, and each sequence in sequence subgroup 1 is orthogonal to each sequence in sequence subgroup 4; Each sequence in 2 is orthogonal to each sequence in sequence subgroup 3, and each sequence in sequence subgroup 2 is not orthogonal to each sequence in sequence subgroup 4. That is to say: the sequences in a sequence subgroup in sequence group a are orthogonal to the sequences in the partial sequence subgroup in sequence group b.
另外，本申请实施例所提供方法中，第一序列组对应的序列c(·)与第二序列组对应的序列c(·)不同。也就是说，第一参考信号组中所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000036
对应的正交码序列W(·)中，同一序列组内的各序列W(·)对应同一序列c(·)，不同序列组分别对应不同序列c(·)。 In addition, in the method provided in the embodiment of the present application, the sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group. That is, the reference signal sequences of all reference signals in the first reference signal group
Figure PCTCN2020119759-appb-000036
In the corresponding orthogonal code sequence W(·), each sequence W(·) in the same sequence group corresponds to the same sequence c(·), and different sequence groups correspond to different sequences c(·).
可选的，序列c(·)可满足：
Figure PCTCN2020119759-appb-000037
Optionally, the sequence c( ) satisfies:
Figure PCTCN2020119759-appb-000037
其中，e表示长度为L的序列，
Figure PCTCN2020119759-appb-000038
表示e的α次克罗尼克积； where e represents a sequence of length L,
Figure PCTCN2020119759-appb-000038
represents the α-th Kronic product of e;
例如，当L为2时，e可以为：{1,1}；{1,j}。For example, when L is 2, e can be: {1,1}; {1,j}.
例如，当α为3时，e为{1,j}，则
Figure PCTCN2020119759-appb-000039
For example, when α is 3 and e is {1,j}, then
Figure PCTCN2020119759-appb-000039
例如e为{1,1},c(·)为序列{1,1,1，…,1}，即全1序列，e为{1,j}，另外一个不同的c(·)可以为：4长时为{1,j,j,-1},8长时为{1,j,j,-1,j,-1,-1,-j}，16长时为{1,j,j,-1,j,-1,-1,-j,j,-1,-1,-j,-1,-j,-j,1}等等。下同，不再赘述。For example, e is {1,1}, c(·) is the sequence {1,1,1,...,1}, that is, the sequence of all 1s, e is {1,j}, and another different c(·) can be : 4 is {1,j,j,-1}, 8 is {1,j,j,-1,j,-1,-1,-j}, 16 is {1,j ,j,-1,j,-1,-1,-j,j,-1,-1,-j,-1,-j,-j,1} and so on. The same will be given below, and will not be repeated here.
所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同。也就是说，第一参考信号组和第二参考信号组中所有的参考信号，对应的序列r(m)相同。The sequence r(m) corresponding to the first sequence group is the same as the sequence r(m) corresponding to the second sequence group. That is to say, all the reference signals in the first reference signal group and the second reference signal group have the same sequence r(m).
需要说明的是，本申请实施例的上述描述中所称“参考信号组”是从逻辑上对参考信号进行的划分。也就是说，只要第一参考信号集合中的参考信号，可以按照本申请上述描述，划分成至少两个参考信号组即可。对于不同参考信号组中参考信号的存储、数据处理，可以不做区分。同理，本申请实施例的上述描述中所称“序列组”、“序列子组”也是从逻辑上对不同参考信号序列对应的正交码序列W(·)进行的划分。也就是说，只要不同参考信号组对应的正交码序列W(·)，可以按照本申请上述描述划分成不同序列组，并且各序列组可以按照本申请上述描述划分成满足条件的至少两个序列子组即可。It should be noted that the "reference signal group" referred to in the foregoing description of the embodiments of the present application is a logical division of reference signals. That is to say, as long as the reference signals in the first reference signal set can be divided into at least two reference signal groups according to the above description of the present application. The storage and data processing of reference signals in different reference signal groups may not be distinguished. Similarly, the "sequence group" and "sequence subgroup" mentioned in the above description of the embodiments of this application are also logically divided into orthogonal code sequences W(·) corresponding to different reference signal sequences. That is to say, as long as the orthogonal code sequences W(·) corresponding to different reference signal groups can be divided into different sequence groups according to the above description of this application, and each sequence group can be divided into at least two sequence groups that satisfy the conditions according to the above description of this application Sequence subgroups are sufficient.
在一种实现方式中，当第一参考信号组合包括的至少一个参考信号包括两个或两个以上参考信号时，这两个或两个以上参考信号对应的正交码序列W(·)属于同一序列子组。In an implementation manner, when at least one reference signal included in the first reference signal combination includes two or more reference signals, the orthogonal code sequences W(·) corresponding to the two or more reference signals belong to the same sequence subgroup.
该实现方式中，在网络设备向终端设备指示参考信号时，通过将同一序列子组中的正交码序列所对应的两个或两个以上参考信号分配给同一终端设备，从而保证同一终端设备发送的两个或两个以上参考信号之间不存在干扰。另外，通过该实现方式，还可以达到在向除上述终端设备外的其他终端设备分配参考信号时，便于向其他终端设备分配与上述终端设备之间不存在干扰的参考信号。In this implementation, when the network device indicates the reference signal to the terminal device, two or more reference signals corresponding to the orthogonal code sequences in the same sequence subgroup are allocated to the same terminal device, thereby ensuring that the same terminal device There is no interference between the two or more transmitted reference signals. In addition, through this implementation, when allocating reference signals to other terminal equipments other than the above-mentioned terminal equipment, it is convenient to allocate reference signals that do not interfere with the above-mentioned terminal equipments to other terminal equipments.
在一种实现方式中，预设域段取值不同的第一信令所对应的各参考信号组合，所组成的参考信号组合集合，满足：In an implementation manner, the reference signal combination set formed by the reference signal combinations corresponding to the first signaling with different preset field values satisfies:
参考信号组合集合为第一参考信号集合中所有可能的参考信号组合的真子集，且参考信号组合集合至少包括同一序列子组中的序列对应的参考信号的各种组合。The reference signal combination set is a proper subset of all possible reference signal combinations in the first reference signal set, and the reference signal combination set includes at least various combinations of reference signals corresponding to sequences in the same sequence subset.
例如，第一参考信号集合中包括参考信号0，参考信号1，参考信号2，参考信号3，则第一参考信号集合中所有可能的参考信号组合为{{0},{1},{2},{3},{0,1},{0,2},{0,3},{1,2},{1,3},{1,4},{2,3},{2,4},{3,4},{1,2,3},{1,2,4},{1,3,4},{2,3,4},{1,2,3,4}},其中，例如{0,2}表示包括参考信号0和参考信号2的一个组合，{1}表示只包括参考信号1的一种组合，可以理解为参考信号组合至少要包括一个参考信号。第一指令所能够指示的所有参考信号组合，还需要为第一参考信号集合中所有可能的参考信号组合的真子集。For example, if the first reference signal set includes reference signal 0, reference signal 1, reference signal 2, and reference signal 3, all possible reference signal combinations in the first reference signal set are {{0}, {1}, {2 },{3},{0,1},{0,2},{0,3},{1,2},{1,3},{1,4},{2,3},{2 ,4},{3,4},{1,2,3},{1,2,4},{1,3,4},{2,3,4},{1,2,3,4 }}, where, for example, {0, 2} indicates a combination including reference signal 0 and reference signal 2, and {1} indicates a combination including only reference signal 1. It can be understood that the reference signal combination should include at least one reference signal. . All reference signal combinations that can be instructed by the first instruction also need to be a proper subset of all possible reference signal combinations in the first reference signal set.
又例如，以图8所示正交码序列的划分方式为例，并假设第一序列子组中包括序列1、序列2、序列3；第二序列子组中包括序列4、序列5、序列6；第三序列子组中包括序列7、序列8、序列9；第四序列子组中包括序列10、序列11、序列12。那么，对于第一序列子组，第一指令指示的第一参考信号组合包括两个或两个以上参考信号时，第一参考信号组合可以为{1,2}或者{1,3}或者{2,3}或者{1,2,3}，其中{1,2}表示包括序列1对应的参考信号和序列2对应的参考信号的一种组合。第二序列子组、第三序列子组、第四序列子组，同理。For another example, taking the division method of the orthogonal code sequence shown in FIG. 8 as an example, it is assumed that the first sequence subgroup includes sequence 1, sequence 2, and sequence 3; the second sequence subgroup includes sequence 4, sequence 5, and sequence 3. 6; the third sequence subgroup includes sequence 7, sequence 8, and sequence 9; the fourth sequence subgroup includes sequence 10, sequence 11, and sequence 12. Then, for the first sequence subgroup, when the first reference signal combination indicated by the first instruction includes two or more reference signals, the first reference signal combination may be {1,2} or {1,3} or { 2,3} or {1,2,3}, where {1,2} represents a combination including the reference signal corresponding to sequence 1 and the reference signal corresponding to sequence 2. The same is true for the second sequence subgroup, the third sequence subgroup, and the fourth sequence subgroup.
在一种实现方式中，当第一参考信号集合中的参考信号的频率资源包括相同的资源块时，第一序列组的序列对应的参考信号序列和第二序列组的序列对应的参考信号序列映射在相同的资源块中的相同的子载波上。In an implementation manner, when the frequency resources of the reference signals in the first reference signal set include the same resource block, the reference signal sequence corresponding to the sequence of the first sequence group and the reference signal sequence corresponding to the sequence of the second sequence group Mapped on the same subcarriers in the same resource block.
也就是说，当第一参考信号集合中的参考信号复用相同的资源块RB时，在映射过程中，可以使第一序列组的序列对应的参考信号序列和第二序列组的序列对应的参考信号序列复用相同的子载波。That is to say, when the reference signals in the first reference signal set are multiplexed with the same resource block RB, in the mapping process, the reference signal sequence corresponding to the sequence of the first sequence group and the sequence corresponding to the sequence of the second sequence group may be The reference signal sequence multiplexes the same subcarriers.
例如，在映射过程中，上述第一序列组对应的参考信号序列和第二序列组对应的参考信号序列的第一项均映射在同一RE上，第二项也映射在同一RE上，以此类推。For example, in the mapping process, the first item of the reference signal sequence corresponding to the first sequence group and the reference signal sequence corresponding to the second sequence group are both mapped to the same RE, and the second item is also mapped to the same RE, so that analogy.
示例性的，第一参考信号集合中可以包括其他的参考信号。此时，上述第一序列组的序列对应的参考信号和第二序列组的序列对应的参考信号占用相同的RE。其他的参考信号可以占用和第一序列组的序列对应的参考信号不同的RE。Exemplarily, the first reference signal set may include other reference signals. At this time, the reference signal corresponding to the sequence of the first sequence group and the reference signal corresponding to the sequence of the second sequence group occupy the same RE. Other reference signals may occupy different REs from reference signals corresponding to the sequences of the first sequence group.
另外，本申请实施例中还提供了在正交码序列W(·)为不同长度的情况下，第一参考信号集合中的参考信号对应的正交码序列W(·)中的具体序列：In addition, the embodiments of the present application also provide specific sequences in the orthogonal code sequence W( ) corresponding to the reference signals in the first reference signal set when the orthogonal code sequences W( ) are of different lengths:
方案一：上述第一参考信号集合中的参考信号对应的正交码序列W(t)组成的集合中，第一序列组/第二序列组的序列包括下述序列：Scheme 1: In the set consisting of the orthogonal code sequences W(t) corresponding to the reference signals in the first reference signal set, the sequences of the first sequence group/second sequence group include the following sequences:
{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；{1,1,1,1}, {1,-1,1,-1}, {1,1,-1,-1}, {1,-1,-1,1};
或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；{1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j};
其中j为虚数单位。where j is the imaginary unit.
进一步的，所述第一序列组/第二序列组的序列包括下述序列时：Further, when the sequence of the first sequence group/second sequence group includes the following sequences:
{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；{1,1,1,1}, {1,-1,1,-1}, {1,1,-1,-1}, {1,-1,-1,1};
序列子组包括：Sequence subgroups include:
第一序列子组：{1,1,1,1}、{1,-1,1,-1}；The first sequence subgroup: {1,1,1,1}, {1,-1,1,-1};
第二序列子组：{1,1,-1,-1}、{1,-1,-1,1}；Second sequence subgroup: {1,1,-1,-1}, {1,-1,-1,1};
或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；{1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j};
序列子组包括：Sequence subgroups include:
第一序列子组：{1,j,1,j}、{1,-j,1,-j}；The first sequence subgroup: {1,j,1,j}, {1,-j,1,-j};
第二序列子组：{1,j,-1,-j}、{1,-j,-1,j}。Second sequence subgroup: {1,j,-1,-j}, {1,-j,-1,j}.
可以看出，例如第一序列组包括{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；第二序列组包括{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；第一序列组中的各序列正交，第二序列组中的各序列正交。第一序列组与第二序列组之间有部分序列子组中的序列正交，部分序列子组中的序列不正交。其中，不正交的序列的互相关值为
Figure PCTCN2020119759-appb-000040
其中，两个N长不正交序列{a n}、{b n}的互相关值为
Figure PCTCN2020119759-appb-000041
It can be seen that, for example, the first sequence group includes {1,1,1,1}, {1,-1,1,-1}, {1,1,-1,-1}, {1,-1, -1,1}; the second sequence group includes {1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j ,-1,j}; the sequences in the first sequence group are orthogonal, and the sequences in the second sequence group are orthogonal. Between the first sequence group and the second sequence group, the sequences in the partial sequence subgroup are orthogonal, and the sequences in the partial sequence subgroup are not orthogonal. Among them, the cross-correlation value of non-orthogonal sequences is
Figure PCTCN2020119759-appb-000040
Among them, the cross-correlation of two N-long non-orthogonal sequences {a n }, {b n } is
Figure PCTCN2020119759-appb-000041
方案一中的具体序列得到方式可以为：The specific sequence in scheme 1 can be obtained in the following way:
每个序列组根据一个基序列得到序列组内所有的序列，基序列为{x 0,x 1}，与2长Walsh码{w 0,w 1}每项分别相乘得到{x 0w 0,x 1w 1}，可以记为S＝{x 0w 0,x 1w 1}，其中{w 0,w 1}为{1,1}，{1，-1}中任意一项，基序列为{1,1}，可以通过以下公式得到第三序列组中四个的序列：
Figure PCTCN2020119759-appb-000042
其中
Figure PCTCN2020119759-appb-000043
则
Figure PCTCN2020119759-appb-000044
Figure PCTCN2020119759-appb-000045
中的每一行代表第一序列组中的一个序列，后面的表示类似。基序列为{1,j}，可以通过以下公式得到第二序列组中四个的序列：
Figure PCTCN2020119759-appb-000046
其中
Figure PCTCN2020119759-appb-000047
则
Figure PCTCN2020119759-appb-000048
Each sequence group obtains all the sequences in the sequence group according to a base sequence, the base sequence is {x 0 ,x 1 }, and each item of the 2-length Walsh code {w 0 ,w 1 } is multiplied to obtain {x 0 w 0 ,x 1 w 1 }, can be written as S={x 0 w 0 ,x 1 w 1 }, where {w 0 ,w 1 } is any one of {1,1}, {1,-1}, The base sequence is {1,1}, and the four sequences in the third sequence group can be obtained by the following formula:
Figure PCTCN2020119759-appb-000042
in
Figure PCTCN2020119759-appb-000043
but
Figure PCTCN2020119759-appb-000044
Figure PCTCN2020119759-appb-000045
Each row in represents a sequence in the first sequence group, and the following representations are similar. The base sequence is {1,j}, and the four sequences in the second sequence group can be obtained by the following formula:
Figure PCTCN2020119759-appb-000046
in
Figure PCTCN2020119759-appb-000047
but
Figure PCTCN2020119759-appb-000048
以下，对上述方案一所提供序列的具体应用过程进行具体说明：例如，当为终端设备分配的传输层数为2时，可以通过第一指令指示将第一序列子组中的两个序列对应的参考信号分配为终端设备，或者将第二序列子组中的两个序列对应的参考信号分配为终端设备。进而达到将同一序列子组对应的参考信号分配给终端设备的效果。Hereinafter, the specific application process of the sequence provided by the above scheme 1 will be specifically described: for example, when the number of transmission layers allocated to the terminal device is 2, the first instruction can be used to indicate that the two sequences in the first sequence subgroup correspond to The reference signal of the second sequence is allocated to the terminal equipment, or the reference signals corresponding to the two sequences in the second sequence subgroup are allocated to the terminal equipment. Further, the effect of allocating reference signals corresponding to the same sequence subgroup to the terminal equipment is achieved.
具体的，以参考信号为DMRS为例，在将DMRS序列映射到RE上的过程中，若DMRS占用一个OFDM符号，则DMRS在一个RB上的映射示意图可以如图9A所示。即各参考信号的正交码序列对应到相同的RE上，即各参考信号的正交码序列的第一项W(0)、第二项W(1)、第三项W(2)、第四项W(3)分别对应在相同RE上。再例如，若DMRS占用二个OFDM符号，则DMRS在一个RB上的映射示意图可以如图10所示。其他RB类似，此处不一一画出。Specifically, taking the reference signal as the DMRS as an example, in the process of mapping the DMRS sequence to the RE, if the DMRS occupies one OFDM symbol, the schematic diagram of the DMRS mapping on one RB may be as shown in FIG. 9A . That is, the orthogonal code sequence of each reference signal corresponds to the same RE, that is, the first item W(0), the second item W(1), the third item W(2), The fourth term W(3) corresponds to the same RE respectively. For another example, if the DMRS occupies two OFDM symbols, a schematic diagram of the mapping of the DMRS on one RB may be as shown in FIG. 10 . Other RBs are similar and are not drawn here.
需要说明的是，图9A和图10中正交码序列各项的放置顺序仅为一种示例性的顺序。在具体实现过程中，可以根据需要采用不同方式的放置顺序。例如，当DMRS占用一个OFDM符号时，DMRS在一个RB上映射时，各参考信号的正交码序列的放置方式还可以如图9B所示，当然还可以采用图9A和图9B之外的其他方式，对此本申请不做限制。It should be noted that the order of placing the items of the orthogonal code sequences in FIG. 9A and FIG. 10 is only an exemplary order. In the specific implementation process, different placement sequences can be adopted as required. For example, when the DMRS occupies one OFDM symbol and the DMRS is mapped on one RB, the placement method of the orthogonal code sequence of each reference signal can also be as shown in FIG. 9B , and of course other methods other than those shown in FIG. 9A and FIG. 9B can also be used. method, which is not limited in this application.
方案二、若正交码序列W(·)的长度N＝8，则上述第一参考信号集合中的参考信号对应的正交码序列W(·)组成的集合中，所述第一序列组/第二序列组的序列包括下述序列：Scheme 2: If the length N of the orthogonal code sequence W(·) is 8, then in the set composed of the orthogonal code sequences W(·) corresponding to the reference signals in the first reference signal set, the first sequence group / The sequences of the second sequence group include the following sequences:
{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；{1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j, j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}, {1,-j,-j,-1,-1,j ,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；{1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1, j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,-j,-1,1 ,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。{1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j, 1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j ,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j}.
进一步的，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；Further, when the sequence of the first sequence group/second sequence group includes the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, {1,j ,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j, j,-1}, {1,-j,-j,-1,-1,j,j,1},{1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
序列子组包括：第一序列子组：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}；第二序列子组：{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；The sequence subgroup includes: the first sequence subgroup: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,- j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}; second sequence subgroup : {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j ,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、 {1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；{1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1, j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,-j,-1,1 ,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
序列子组包括：第一序列子组：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}；第二序列子组：{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；The sequence subgroup includes: the first sequence subgroup: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,- j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}; second sequence subgroup : {1,-1,-j,-j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1 ,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；The sequence subgroup includes: the first sequence subgroup: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1} , {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; the second sequence subgroup : {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1, -1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,1,-1};
或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；{1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j, 1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j ,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j};
序列子组包括：Sequence subgroups include:
第一序列子组：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}；第二序列子组：{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。First sequence subgroup: {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}; second sequence subgroup: {1,- j,-1,-j,-1,j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j, -1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j}.
可以看出，例如有两个序列组时，其中第一序列组包括{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；第二序列组包括{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；第一序列组中的各序列正交，第二序列组中的各序列正交。第一序列组与第二序列组之间有部分序列子组中的序列正交，部分序列子组中的序列不正交。其中，不正交的序列的互相关值为
Figure PCTCN2020119759-appb-000049
It can be seen that, for example, when there are two sequence groups, the first sequence group includes {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j, 1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1 }, {1,-j,-j,-1,-1,j,j,1},{1,j,-j,1,-1,-j,j,-1},{1,- j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; the second sequence group includes {1,-1 ,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1 ,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,-j,-1,1,j,j} , {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1, j,-j,-1,-1,-j,j}; the sequences in the first sequence group are orthogonal, and the sequences in the second sequence group are orthogonal. Between the first sequence group and the second sequence group, the sequences in the partial sequence subgroup are orthogonal, and the sequences in the partial sequence subgroup are not orthogonal. Among them, the cross-correlation value of non-orthogonal sequences is
Figure PCTCN2020119759-appb-000049
方案二中的具体序列得到方式可以为：The specific sequence in scheme 2 can be obtained in the following way:
每个序列组根据一个基序列得到序列组内所有的序列，基序列为{x 0,x 1,x 2,x 3}，与4长Walsh码{w 0,w 1,w 2,w 3}每项分别相乘得到{x 0w 0,x 1w 1,x 2w 2,x 3w 3}，可以记为S＝{x 0w 0,x 1w 1,x 2w 2,x 3w 3}，其中{w 0,w 1,w 2,w 3}为{1,1,1,1}，{1，-1,1,-1},{1,1,-1,-1},{1,-1,-1,1}中任意一项，基序列为{1,-j,-j,-1}，可以通过以下公式得到八个的序列：
Figure PCTCN2020119759-appb-000050
其中
Figure PCTCN2020119759-appb-000051
则
Figure PCTCN2020119759-appb-000052
Each sequence group gets all the sequences in the sequence group according to a base sequence, the base sequence is {x 0 ,x 1 ,x 2 ,x 3 }, and the 4-length Walsh code {w 0 ,w 1 ,w 2 ,w 3 } Each item is multiplied to get {x 0 w 0 , x 1 w 1 , x 2 w 2 , x 3 w 3 }, which can be written as S={x 0 w 0 , x 1 w 1 , x 2 w 2 , x 3 w 3 }, where {w 0 ,w 1 ,w 2 ,w 3 } is {1,1,1,1},{1,-1,1,-1},{1,1,-1 ,-1},{1,-1,-1,1}, the base sequence is {1,-j,-j,-1}, and the eight sequences can be obtained by the following formula:
Figure PCTCN2020119759-appb-000050
in
Figure PCTCN2020119759-appb-000051
but
Figure PCTCN2020119759-appb-000052
基序列为{1,-1,-j,-j}，可以通过以下公式得到八个的序列：
Figure PCTCN2020119759-appb-000053
其中
Figure PCTCN2020119759-appb-000054
则
Figure PCTCN2020119759-appb-000055
The base sequence is {1,-1,-j,-j}, and the sequence of eight can be obtained by the following formula:
Figure PCTCN2020119759-appb-000053
in
Figure PCTCN2020119759-appb-000054
but
Figure PCTCN2020119759-appb-000055
基序列为{1,1,1,1}，可以通过以下公式得到八个的序列：
Figure PCTCN2020119759-appb-000056
其中
Figure PCTCN2020119759-appb-000057
则
Figure PCTCN2020119759-appb-000058
The base sequence is {1,1,1,1}, and the sequence of eight can be obtained by the following formula:
Figure PCTCN2020119759-appb-000056
in
Figure PCTCN2020119759-appb-000057
but
Figure PCTCN2020119759-appb-000058
基序列为{1,-j,-1,-j}，可以通过以下公式得到八个的序列：
Figure PCTCN2020119759-appb-000059
其中
Figure PCTCN2020119759-appb-000060
则
Figure PCTCN2020119759-appb-000061
The base sequence is {1,-j,-1,-j}, and the sequence of eight can be obtained by the following formula:
Figure PCTCN2020119759-appb-000059
in
Figure PCTCN2020119759-appb-000060
but
Figure PCTCN2020119759-appb-000061
方案三、若正交码序列W(·)的长度N＝8，则上述第一参考信号集合中的参考信号对应的正交码序列W(·)组成的集合中，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；Solution 3: If the length N of the orthogonal code sequence W(·) is 8, then in the set composed of the orthogonal code sequences W(·) corresponding to the reference signals in the first reference signal set, the first sequence group / The sequences of the second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1 }, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1 ,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1 ,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
序列子组包括：Sequence subgroups include:
第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；First sequence subgroup: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1 ,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1};
第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、 {1,-1,-1,1,-1,1,1,-1}；Second sequence subgroup: {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；{1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1, 1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,-1,-1,-1, -1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1};
序列子组包括：Sequence subgroups include:
第一序列子组：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}；First sequence subgroup: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1 ,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1};
第二序列子组：{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。Second sequence subgroup: {1,1,1,-1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1}.
方案三中的具体序列得到方式可以为：The specific sequence in Scheme 3 can be obtained in the following way:
每个序列组根据一个基序列得到序列组内所有的序列，基序列为{x 0,x 1,x 2,x 3}，与4长Walsh码{w 0,w 1,w 2,w 3}每项分别相乘得到{x 0w 0,x 1w 1,x 2w 2,x 3w 3}，可以记为S＝{x 0w 0,x 1w 1,x 2w 2,x 3w 3}，其中{w 0,w 1,w 2,w 3}为{1,1,1,1}，{1，-1,1,-1},{1,1,-1,-1},{1,-1,-1,1}中任意一项，基序列为{1,1,1,1}，可以通过以下公式得到第六序列组中八个的序列：
Figure PCTCN2020119759-appb-000062
其中
Figure PCTCN2020119759-appb-000063
则
Figure PCTCN2020119759-appb-000064
Figure PCTCN2020119759-appb-000065
Each sequence group gets all the sequences in the sequence group according to a base sequence, the base sequence is {x 0 ,x 1 ,x 2 ,x 3 }, and the 4-length Walsh code {w 0 ,w 1 ,w 2 ,w 3 } Each item is multiplied to get {x 0 w 0 , x 1 w 1 , x 2 w 2 , x 3 w 3 }, which can be written as S={x 0 w 0 , x 1 w 1 , x 2 w 2 , x 3 w 3 }, where {w 0 ,w 1 ,w 2 ,w 3 } is {1,1,1,1},{1,-1,1,-1},{1,1,-1 ,-1}, {1,-1,-1,1}, the base sequence is {1,1,1,1}, the eight sequences in the sixth sequence group can be obtained by the following formula:
Figure PCTCN2020119759-appb-000062
in
Figure PCTCN2020119759-appb-000063
but
Figure PCTCN2020119759-appb-000064
Figure PCTCN2020119759-appb-000065
基序列为{1,1,1,-1}，可以通过以下公式得到第六序列组中八个的序列：
Figure PCTCN2020119759-appb-000066
其中
Figure PCTCN2020119759-appb-000067
则
Figure PCTCN2020119759-appb-000068
The base sequence is {1,1,1,-1}, and the eight sequences in the sixth sequence group can be obtained by the following formula:
Figure PCTCN2020119759-appb-000066
in
Figure PCTCN2020119759-appb-000067
but
Figure PCTCN2020119759-appb-000068
以下，对上述方案二或三所提供序列的具体应用过程进行具体说明：例如，当为终端设备分配的传输层数为4时，可以通过第一指令指示将第一序列子组中的四个序列对应的参考信号分配为终端设备，或者将第一序列子组中的四个序列对应的参考信号分配为终端设备。进而达到将同一序列子组对应的参考信号分配给终端设备的效果。Hereinafter, the specific application process of the sequence provided by the above solution two or three will be described in detail: for example, when the number of transmission layers allocated to the terminal device is 4, the first instruction may be used to indicate that four The reference signals corresponding to the sequences are allocated to the terminal equipment, or the reference signals corresponding to the four sequences in the first sequence subgroup are allocated to the terminal equipment. Further, the effect of allocating reference signals corresponding to the same sequence subgroup to the terminal equipment is achieved.
具体的，以参考信号为DMRS为例，在将DMRS序列映射到RE上的过程中，若DMRS占用二个OFDM符号，则DMRS序列在一个RB上的映射示意图可以如图11所示。即各参考信号的正交码序列对应到相同的RE上，即各参考信号的正交码序列的第一项W(0)、第二项W(1)、第三项W(2)、第四项W(3)、第五项W(4)、第六项W(5)、 第七项W(6)、第八项W(7)分别对应在相同RE上。Specifically, taking the reference signal as a DMRS as an example, in the process of mapping the DMRS sequence to the RE, if the DMRS occupies two OFDM symbols, a schematic diagram of the mapping of the DMRS sequence to one RB may be shown in FIG. 11 . That is, the orthogonal code sequence of each reference signal corresponds to the same RE, that is, the first item W(0), the second item W(1), the third item W(2), The fourth item W(3), the fifth item W(4), the sixth item W(5), the seventh item W(6), and the eighth item W(7) respectively correspond to the same RE.
S302、终端设备接收第一指令。S302. The terminal device receives the first instruction.
在一种实施例中，当将本申请实施例所提供的方法应用于网络设备向终端设备发送指令(例如可以是下行控制信息(downlink control information，DCI))，以使终端设备根据指令确定待发送的参考信号(例如可以是待发送的DMRS)，然后由终端设备发送该待发送的参考信号的场景下，如图7所示，该方法还包括：In an embodiment, when the method provided by the embodiment of the present application is applied to the network device sending an instruction (for example, it may be downlink control information (DCI)) to the terminal device, so that the terminal device determines the waiting list according to the instruction In the scenario where the reference signal to be sent (for example, the DMRS to be sent) is sent by the terminal device, as shown in FIG. 7 , the method further includes:
S303、终端设备发送至少一个参考信号，以使网络设备接收至少一个参考信号。S303. The terminal device sends at least one reference signal, so that the network device receives the at least one reference signal.
其中，终端设备在接收到第一指令后，根据第一指令中预设域段的取值，即可确定第一参考信号组合中的至少一个参考信号，进而发送该至少一个参考信号。Wherein, after receiving the first instruction, the terminal device may determine at least one reference signal in the first reference signal combination according to the value of the preset field in the first instruction, and then transmit the at least one reference signal.
示例性的，终端设备中存储有上述第一参考信号集合中各参考信号的参考信号序列
Figure PCTCN2020119759-appb-000069
对应的正交码序列W(·)。然后，终端设备在根据第一指令确定至少一个参考信号后，可以从存储的正交码序列W(·)中选择上述至少一个参考信号对应的正交码序列W(·)，并根据上述公式一得到至少一个参考信号的参考信号序列，以便发送至少一个参考信号。 Exemplarily, the terminal device stores the reference signal sequence of each reference signal in the first reference signal set
Figure PCTCN2020119759-appb-000069
The corresponding orthogonal code sequence W(·). Then, after determining at least one reference signal according to the first instruction, the terminal device can select the orthogonal code sequence W(·) corresponding to the above at least one reference signal from the stored orthogonal code sequence W(·), and according to the above formula A reference signal sequence of at least one reference signal is obtained to transmit the at least one reference signal.
当然，终端设备也可以不预先存储上述第一参考信号集合中各参考信号的参考信号序列
Figure PCTCN2020119759-appb-000070
对应的正交码序列W(·)，而直接生成上述至少一个参考信号对应的正交码序列W(·)。具体的，对于终端设备得到至少一个参考信号的参考信号序列的方式，本申请可以不做限制。 Of course, the terminal device may not store the reference signal sequence of each reference signal in the first reference signal set in advance.
Figure PCTCN2020119759-appb-000070
The corresponding orthogonal code sequence W(·) is directly generated, and the orthogonal code sequence W(·) corresponding to the at least one reference signal is directly generated. Specifically, the present application may not limit the manner in which the terminal device obtains the reference signal sequence of at least one reference signal.
例如，可以将至少一个参考信号的参考信号序列，分别映射到M个RE上，生成第一信号并发送。For example, the reference signal sequence of at least one reference signal may be mapped to M REs, respectively, to generate and transmit the first signal.
在另一种实施例中，当将本申请实施例所提供的方法应用于网络设备向终端设备发送指令(例如可以是下行控制信息(downlink control information，DCI))，以使终端设备根据指令确定网络设备将要发送的参考信号(例如可以是DMRS)，然后由终端设备接收该参考信号的场景下，如图12所示，该方法包括：In another embodiment, when the method provided by the embodiment of the present application is applied to the network device sending an instruction (for example, it may be downlink control information (DCI)) to the terminal device, so that the terminal device can determine according to the instruction In the scenario where the reference signal (for example, DMRS) to be sent by the network device is then received by the terminal device, as shown in FIG. 12 , the method includes:
S701、网络设备发送第一指令。S701. The network device sends a first instruction.
S702、终端设备接收第一指令。S702. The terminal device receives the first instruction.
其中，上述步骤S701-702的内容，可以参照上文S301-S302的相应描述，重复之处不再赘述。Wherein, for the content of the above steps S701-702, reference may be made to the corresponding descriptions of the above-mentioned steps S301-S302, and the repetition will not be repeated.
S703、网络设备发送至少一个参考信号，终端设备接收至少一个参考信号。S703: The network device sends at least one reference signal, and the terminal device receives at least one reference signal.
与S303同理，网络设备中可以预先存储有上述第一参考信号集合中各参考信号的参考信号序列
Figure PCTCN2020119759-appb-000071
对应的正交码序列W(·)。然后，网络设备在确定待发送的至少一个参考信号后，可以从存储的正交码序列W(·)中选择上述至少一个参考信号对应的正交码序列W(·)，并根据上述公式一得到至少一个参考信号的参考信号序列，以便发送至少一个参考信号。具体的，网络设备可以将至少一个参考信号的参考信号序列，分别映射到M个RE上，生成第一信号并发送。 Similar to S303, the reference signal sequence of each reference signal in the first reference signal set may be pre-stored in the network device
Figure PCTCN2020119759-appb-000071
The corresponding orthogonal code sequence W(·). Then, after determining the at least one reference signal to be sent, the network device can select the orthogonal code sequence W(·) corresponding to the at least one reference signal from the stored orthogonal code sequence W(·), and according to the above formula 1 A reference signal sequence of at least one reference signal is obtained in order to transmit the at least one reference signal. Specifically, the network device may map the reference signal sequence of at least one reference signal to the M REs, respectively, to generate and send the first signal.
另外，终端设备在接收到第一指令后，根据第一指令中预设域段的取值，即可确定第一参考信号组合中的至少一个参考信号。进而，终端设备可以对来自网络设备的 包括至少一个参考信号的第一信号进行处理，比如可以对参考信号所在信道进行评估等。In addition, after receiving the first instruction, the terminal device may determine at least one reference signal in the first reference signal combination according to the value of the preset field in the first instruction. Furthermore, the terminal device may process the first signal including at least one reference signal from the network device, for example, may evaluate the channel where the reference signal is located.
在本申请实施例所提供的上述方法中，由于第一参考信号集合中所包括的至少两个参考信号组中，任意两个参考信号组满足特定条件(即第一参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000072
对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
Figure PCTCN2020119759-appb-000073
对应的正交码序列W(·)组成第二序列组；第一序列组中各序列正交；第二序列组中各序列正交；第一序列组中包括至少两个序列子组；第二序列组中包括至少两个序列子组；第一序列组中的一个序列子组中的序列与第二序列组中的部分序列子组中的序列正交；第一序列组中的序列和第二序列组中的序列不同)，所以相比现有技术，本申请上述方法可以提供更多的正交码序列，并且各正交码序列至少与所属序列组内的其他正交码序列正交，并且各正交码序列与其他序列组中的部分正交码序列正交。这样一来，采用本申请上述正交码序列得到的参考信号，能够与更多参考信号保持正交，从而降低不同层的参考信号之间的干扰。 In the above method provided by the embodiment of the present application, since any two reference signal groups in the at least two reference signal groups included in the first reference signal set satisfy a specific condition (that is, all the reference signal groups in the first reference signal group reference signal sequence
Figure PCTCN2020119759-appb-000072
The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000073
The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; The second sequence group includes at least two sequence subgroups; the sequence in one sequence subgroup in the first sequence group is orthogonal to the sequence in the partial sequence subgroup in the second sequence group; the sequences in the first sequence group and The sequences in the second sequence group are different), so compared with the prior art, the above method of the present application can provide more orthogonal code sequences, and each orthogonal code sequence is at least in line with other orthogonal code sequences in the sequence group to which it belongs. and each orthogonal code sequence is orthogonal to the partial orthogonal code sequences in other sequence groups. In this way, the reference signal obtained by using the above-mentioned orthogonal code sequence of the present application can be kept orthogonal to more reference signals, thereby reducing the interference between reference signals of different layers.
例如，当本申请所提供方法中的参考信号为DMRS时，以图6所示场景为例，可以使UE组3中DMRS对应的正交码序列使用同一序列组中的同一序列子组中的正交码序列(例如第一序列组中的第一序列子组中的正交码序列)，并且使UE组4中DMRS对应的正交码序列使用第一序列组中的第二序列子组中的正交码序列，并且使UE组5中DMRS的正交码序列使用第二序列组中的第三序列子组中的正交码序列(其中，第三序列子组中的序列与第二序列子组中的序列正交)。这样一来，便可以在增加传输层数的同时，降低不同层之间参考信号的干扰。For example, when the reference signal in the method provided by this application is a DMRS, taking the scenario shown in FIG. 6 as an example, the orthogonal code sequence corresponding to the DMRS in UE group 3 can be made to use the same sequence subgroup in the same sequence group. Orthogonal code sequence (for example, the orthogonal code sequence in the first sequence subgroup in the first sequence group), and use the second sequence subgroup in the first sequence subgroup for the orthogonal code sequence corresponding to the DMRS in UE group 4 and the orthogonal code sequence of the DMRS in UE group 5 uses the orthogonal code sequence in the third sequence subgroup in the second sequence group (wherein the sequence in the third sequence subgroup is the same as the The sequences in the subgroup of two sequences are orthogonal). In this way, the interference of reference signals between different layers can be reduced while increasing the number of transmission layers.
可以理解的，本申请实施例中，接收设备和/或发送设备可以执行本申请实施例中的部分或全部步骤，这些步骤或操作仅是示例，本申请实施例中，还可以执行其它操作或者各种操作的变形。此外，各个步骤可以按照本申请实施例呈现的不同的顺序来执行，并且有可能并非要执行本申请实施例中的全部操作。本申请提供的实施例之间是可以关联的，并且可以相互参考或引用。It can be understood that, in the embodiments of the present application, the receiving device and/or the transmitting device may perform some or all of the steps in the embodiments of the present application. These steps or operations are only examples. In the embodiments of the present application, other operations may also be performed or Variations of various operations. In addition, various steps may be performed in different orders presented in the embodiments of the present application, and may not be required to perform all the operations in the embodiments of the present application. The embodiments provided in this application may be related to each other, and may be referred to or referenced to each other.
以上实施例主要从设备之间交互的角度对本申请实施例提供的方案进行了介绍。应理解，上述接收设备或发送设备为了实现对应的功能，其包括了执行各功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本文中所公开的实施例描述的各示例的单元，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。The above embodiments mainly introduce the solutions provided by the embodiments of the present application from the perspective of interaction between devices. It should be understood that, in order to implement the corresponding functions, the above-mentioned receiving device or transmitting device includes corresponding hardware structures and/or software modules for executing each function. Those skilled in the art should easily realize that the unit of each example described in conjunction with the embodiments disclosed herein can be implemented in hardware or in the form of a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
本申请实施例可以根据上述方法示例对设备(网络设备或终端设备)进行功能模块的划分，例如，可以对应各个功能划分各个功能模块，也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。可选的，本申请实施例中对模块的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。In this embodiment of the present application, a device (a network device or a terminal device) may be divided into functional modules according to the foregoing method examples. For example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. in the module. The above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules. Optionally, the division of modules in the embodiment of the present application is schematic, and is only a logical function division, and another division manner may be used in actual implementation.
如图13所示，为本申请实施例提供的一种通信装置40的组成示意图。通信装置40可以是网络设备或终端设备中的芯片或片上系统。该通信装置40可以用于执行上 述实施例中设计的网络设备或终端设备发送参考信号的功能。作为一种实现方式，该通信装置40包括：As shown in FIG. 13 , it is a schematic diagram of the composition of a communication apparatus 40 according to an embodiment of the present application. The communication apparatus 40 may be a chip or a system-on-chip in a network device or a terminal device. The communication apparatus 40 can be used to perform the function of sending reference signals by the network equipment or terminal equipment designed in the above embodiments. As an implementation manner, the communication device 40 includes:
通信单元401，用于接收或者发送第一信令；其中，所述第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号的参考信号序列
Figure PCTCN2020119759-appb-000074
满足： The communication unit 401 is configured to receive or send first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; Wherein, different values of the preset fields included in the first signaling correspond to respective reference signal combinations; all reference signals included in the reference signal combinations form a reference signal set, and the reference signal The set includes at least two reference signal groups; the reference signal sequence of each reference signal in the at least two reference signal groups
Figure PCTCN2020119759-appb-000074
Satisfy:
Figure PCTCN2020119759-appb-000075
Figure PCTCN2020119759-appb-000075
其中，r(m)为伪随机序列，m为非负整数，A是非零复常数，正交码序列W(·)长度为N，自变量的取值范围为0,1,2,…,N-1，t＝m mod N，c(·)为掩码序列，自变量取值范围为非负整数，
Figure PCTCN2020119759-appb-000076
Among them, r(m) is a pseudo-random sequence, m is a non-negative integer, A is a non-zero complex constant, the length of the orthogonal code sequence W(·) is N, and the value range of the independent variable is 0, 1, 2,..., N-1, t=m mod N, c( ) is a mask sequence, and the value range of the independent variable is a non-negative integer,
Figure PCTCN2020119759-appb-000076
所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000077
对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
Figure PCTCN2020119759-appb-000078
对应的正交码序列W(·)组成第二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的序列和所述第二序列组中的序列不同； Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
Figure PCTCN2020119759-appb-000077
The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000078
The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
参考信号发送单元402，用于生成并发送所述至少一个参考信号。A reference signal sending unit 402, configured to generate and send the at least one reference signal.
可选的，所述至少一个参考信号包括两个或者两个以上参考信号时，所述两个或者两个以上参考信号对应的正交码序列W(·)属于同一序列子组。Optionally, when the at least one reference signal includes two or more than two reference signals, the orthogonal code sequences W(·) corresponding to the two or more than two reference signals belong to the same sequence subgroup.
可选的，所述各参考信号组合组成参考信号组合集合，所述参考信号组合集合满足：Optionally, the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
所述参考信号组合集合为所述参考信号集合中所有可能的参考信号组合的真子集，且所述参考信号组合集合至少包括同一序列子组中的序列对应的参考信号的各种组合。The reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least various combinations of reference signals corresponding to sequences in the same sequence subset.
可选的，当所述参考信号集合中的参考信号的频率资源包括相同的资源块时，所述第一序列组的序列对应的参考信号序列和所述第二序列组的序列对应的参考信号序列映射在所述相同的资源块中的相同的子载波上。Optionally, when the frequency resources of the reference signals in the reference signal set include the same resource block, the reference signal sequence corresponding to the sequence of the first sequence group and the reference signal corresponding to the sequence of the second sequence group The sequences are mapped on the same subcarriers in the same resource blocks.
在可选的，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；其中j为虚数单位。Optionally, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1,1, -1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group includes the following sequences: {1,j,1,j}, { 1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j}; where j is an imaginary unit.
在可选的，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1}、 {1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；序列子组包括：第一序列子组：{1,1,1,1}、{1,-1,1,-1}；第二序列子组：{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；序列子组包括：第一序列子组：{1,j,1,j}、{1,-j,1,-j}；第二序列子组：{1,j,-1,-j}、{1,-j,-1,j}。Optionally, when the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1,1 ,-1,-1}, {1,-1,-1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,1}, {1,-1,1,- 1}; the second sequence subgroup: {1,1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group includes the following: When describing the sequence: {1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j}; The sequence subgroup includes: the first sequence subgroup: {1,j,1,j}, {1,-j,1,-j}; the second sequence subgroup: {1,j,-1,-j} , {1,-j,-1,j}.
在可选的，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；Optionally, the sequence of the first sequence group/second sequence group includes the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, {1, j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j ,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1} , {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, the first The sequences of the first sequence group/second sequence group include the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1 ,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, { 1,-1,-j,-j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j ,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; or, the first sequence group/second sequence group The sequence includes the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1, 1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1, -1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,- 1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences: { 1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1 ,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j, 1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, { 1,j,1,-j,-1,-j,-1,j};
在可选的，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；序列子组包括：第一序列子组：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}；第二序列子组：{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；序列子组包括：第一序列子组：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}；第二序列子组：{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；序列子组包括：第一序列子组：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}；第二序列子组：{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。Optionally, when the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, {1 ,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1, j,j,-1}, {1,-j,-j,-1,-1,j,j,1},{1,j,-j,1,-1,-j,j,-1 }, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; sequence subgroups include : First sequence subgroup: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1} , {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}; second sequence subgroup: {1, -j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1 ,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, the sequence of the first sequence group/second sequence group When including the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,- j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,- j,-j}, {1,1,j,-j,-1,-1,-j,j}; sequence subgroups include: first sequence subgroup: {1,-1,-j,-j ,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1,j, j}, {1,1,j,-j,1,1,j,-j}; second sequence subgroup: {1,-1,-j,-j,-1,1,j,j} , {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1, j,-j,-1,-1,-j,j}; or, when the sequence of the first sequence group/second sequence group includes the following sequences: {1,1,1,1,1,1 ,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1, 1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,- 1,1,1,-1}; the sequence subgroup includes: the first sequence subgroup: { 1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1, 1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: {1,1,1,1,-1 ,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1, 1,1}, {1,-1,-1,1,-1,1,1,-1}; or, when the sequence of the first sequence group/second sequence group includes the following sequence: {1 ,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1, j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j,1 ,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1 ,j,1,-j,-1,-j,-1,j}; the sequence subgroup includes: the first sequence subgroup: {1,-j,-1,-j,1,-j,-1 ,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1,j,1,-j,1,j}, {1,j, 1,-j,1,j,1,-j}; second sequence subgroup: {1,-j,-1,-j,-1,j,1,j}, {1,j,-1 ,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1, -j,-1,j}.
在可选的，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列 组/第二序列组的序列包括下述序列：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；Optionally, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1,- 1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1 ,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1} , {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the first The sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1, 1,1}, {1,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, { 1,1,1,-1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1 ,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1,1};
在可选的，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；序列子组包括：第一序列子组：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}；第二序列子组：{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。Optionally, when the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1, -1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,- 1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1 }, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; sequence subgroups include : First sequence subgroup: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1, 1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: {1, 1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,- 1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group When including the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1 ,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,-1, -1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1, 1,-1}, {1,-1,-1,-1,-1,1,1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,-1,1 ,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1,1,1,-1,1}, { 1,-1,-1,-1,1,-1,-1,-1}; second sequence subgroup: {1,1,1,-1,-1,-1,-1,1} , {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1 ,-1,-1,-1,1,1,1}.
可选的，所述各参考信号组合中各参考信号为解调参考信号DMRS；所述第一信令为下行控制信息DCI。Optionally, each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
如图14所示，为本申请实施例提供的一种通信装置50的组成示意图。通信装置50可以是网络设备或终端设备中的芯片或片上系统。该通信装置50可以用于执行上述实施例中设计的网络设备或终端设备接收参考信号的功能。作为一种实现方式，该通信装置50包括：As shown in FIG. 14 , it is a schematic diagram of the composition of a communication apparatus 50 according to an embodiment of the present application. The communication apparatus 50 may be a chip or a system-on-chip in a network device or a terminal device. The communication apparatus 50 may be configured to perform the function of receiving the reference signal by the network device or the terminal device designed in the foregoing embodiments. As an implementation manner, the communication device 50 includes:
通信单元501，用于接收或者发送第一信令；其中，第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号的参考信号序列
Figure PCTCN2020119759-appb-000079
满足： The communication unit 501 is configured to receive or send first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein, Different values of the preset fields included in the first signaling correspond to respective reference signal combinations; all reference signals included in the reference signal combinations form a reference signal set, and the reference signal set includes at least two reference signal groups; reference signal sequences of each reference signal in the at least two reference signal groups
Figure PCTCN2020119759-appb-000079
Satisfy:
Figure PCTCN2020119759-appb-000080
Figure PCTCN2020119759-appb-000080
其中，r(m)为伪随机序列，m为非负整数，A是非零复常数，正交码序列W(·)长度为N，自变量取值范围为0,1,2,…,N-1，t＝m mod N，c(·)为掩码序列，
Figure PCTCN2020119759-appb-000081
Among them, r(m) is a pseudo-random sequence, m is a non-negative integer, A is a non-zero complex constant, the length of the orthogonal code sequence W(·) is N, and the value range of the independent variable is 0, 1, 2,...,N -1, t=m mod N, c( ) is the mask sequence,
Figure PCTCN2020119759-appb-000081
所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
Figure PCTCN2020119759-appb-000082
对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
Figure PCTCN2020119759-appb-000083
对应的正交码序列W(·)组成第二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的序列和所述第二序列组中的序列不同； Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
Figure PCTCN2020119759-appb-000082
The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
Figure PCTCN2020119759-appb-000083
The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
参考信号接收单元502，用于接收所述至少一个参考信号。A reference signal receiving unit 502, configured to receive the at least one reference signal.
可选的，所述至少一个参考信号包括两个或者两个以上参考信号时，所述两个或者两个以上参考信号对应的正交码序列W(·)属于同一序列子组。Optionally, when the at least one reference signal includes two or more than two reference signals, the orthogonal code sequences W(·) corresponding to the two or more than two reference signals belong to the same sequence subgroup.
可选的，所述各参考信号组合组成参考信号组合集合，所述参考信号组合集合满足：Optionally, the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
所述参考信号组合集合为所述参考信号集合中所有可能的参考信号组合的真子集，且所述参考信号组合集合至少包括同一序列子组中的序列对应的参考信号的各种组合方式。The reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set at least includes various combinations of reference signals corresponding to sequences in the same sequence subset.
可选的，当所述参考信号集合中的参考信号的频率资源包括相同的资源块时，所述第一序列组的序列对应的参考信号序列和所述第二序列组的序列对应的参考信号序列映射在所述相同的资源块中的相同的子载波上。Optionally, when the frequency resources of the reference signals in the reference signal set include the same resource block, the reference signal sequence corresponding to the sequence of the first sequence group and the reference signal corresponding to the sequence of the second sequence group The sequences are mapped on the same subcarriers in the same resource blocks.
在可选的，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；其中j为虚数单位。Optionally, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1,1, -1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group includes the following sequences: {1,j,1,j}, { 1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j}; where j is an imaginary unit.
在可选的，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；序列子组包括：第一序列子组：{1,1,1,1}、{1,-1,1,-1}；第二序列子组：{1,1,-1,-1}、{1,-1,-1,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；序列子组包括：第一序列子组：{1,j,1,j}、{1,-j,1,-j}；第二序列子组：{1,j,-1,-j}、{1,-j,-1,j}。Optionally, when the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1}, {1,-1,1,-1}, {1,1 ,-1,-1}, {1,-1,-1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,1}, {1,-1,1,- 1}; the second sequence subgroup: {1,1,-1,-1}, {1,-1,-1,1}; or, the sequence of the first sequence group/second sequence group includes the following: When describing the sequence: {1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j}; The sequence subgroup includes: the first sequence subgroup: {1,j,1,j}, {1,-j,1,-j}; the second sequence subgroup: {1,j,-1,-j} , {1,-j,-1,j}.
在可选的，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；Optionally, the sequence of the first sequence group/second sequence group includes the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, {1, j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j ,j,-1}, {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1} , {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, the first The sequences of the first sequence group/second sequence group include the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1 ,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, { 1,-1,-j,-j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j ,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j}; or, the first sequence group/second sequence group The sequence includes the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1, 1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1, -1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,- 1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group includes the following sequences: { 1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1 ,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j, 1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, { 1,j,1,-j,-1,-j,-1,j};
在可选的，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；序列子组包括：第一序列子组：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}；第二序列子组：{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；序列子组 包括：第一序列子组：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}；第二序列子组：{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；序列子组包括：第一序列子组：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}；第二序列子组：{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。Optionally, when the sequences of the first sequence group/second sequence group include the following sequences: {1,-j,-j,-1,1,-j,-j,-1}, {1 ,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1, j,j,-1}, {1,-j,-j,-1,-1,j,j,1},{1,j,-j,1,-1,-j,j,-1 }, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; sequence subgroups include : First sequence subgroup: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1} , {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}; second sequence subgroup: {1, -j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1 ,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1}; or, the sequence of the first sequence group/second sequence group When including the following sequences: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,- j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,- j,-j}, {1,1,j,-j,-1,-1,-j,j}; sequence subgroups include: first sequence subgroup: {1,-1,-j,-j ,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1,j, j}, {1,1,j,-j,1,1,j,-j}; second sequence subgroup: {1,-1,-j,-j,-1,1,j,j} , {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1, j,-j,-1,-1,-j,j}; or, when the sequence of the first sequence group/second sequence group includes the following sequences: {1,1,1,1,1,1 ,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1, 1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,- 1,1,1,-1}; the sequence subgroup includes: the first sequence subgroup: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: {1,1,1,1,- 1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1 ,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, when the sequence of the first sequence group/second sequence group includes the following sequences: { 1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1 ,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j, 1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, { 1,j,1,-j,-1,-j,-1,j}; the sequence subgroup includes: the first sequence subgroup: {1,-j,-1,-j,1,-j,- 1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1,j,1,-j,1,j}, {1,j ,1,-j,1,j,1,-j}; second sequence subgroup: {1,-j,-1,-j,-1,j,1,j}, {1,j,- 1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1 ,-j,-1,j}.
在可选的，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；Optionally, the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1,- 1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1 ,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1} , {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the first The sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1, 1,1}, {1,1,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, { 1,1,1,-1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1 ,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1,1};
在可选的，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；序列子组包括：第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；或者，所述第一序列组/第二序列组的序列包括下述序列时：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；序列子组包括：第一序列子组：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}；第二序列子组：{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。Optionally, when the sequences of the first sequence group/second sequence group include the following sequences: {1,1,1,1,1,1,1,1}, {1,-1,1, -1,1,-1,1,-1}, {1,1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,- 1,-1,1}, {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1 }, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; sequence subgroups include : First sequence subgroup: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1, 1,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}; second sequence subgroup: {1, 1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,- 1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1}; or, the sequence of the first sequence group/second sequence group When including the following sequences: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1 ,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,-1, -1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1, 1,-1}, {1,-1,-1,-1,-1,1,1,1}; sequence subgroups include: first sequence subgroup: {1,1,1,-1,1 ,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1,1,1,-1,1}, { 1,-1,-1,-1,1,-1,-1,-1}; second sequence subgroup: {1,1,1,-1,-1,-1,-1,1} , {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1 ,-1,-1,-1,1,1,1}.
可选的，所述各参考信号组合中各参考信号为解调参考信号DMRS；所述第一信令为下行控制信息DCI。Optionally, each reference signal in each reference signal combination is a demodulation reference signal DMRS; the first signaling is downlink control information DCI.
可以理解，关于上述通信装置40或通信装置50中的各个单元的功能的具体描述可以参照方法实施例的相关步骤的描述，在此不做赘述。It can be understood that for the specific description of the functions of the respective units in the communication apparatus 40 or the communication apparatus 50, reference may be made to the description of the relevant steps in the method embodiments, and details are not repeated here.
如图15示出了一种通信装置60的组成示意图。其中，通信装置60包括：至少一个处理器601，以及至少一个接口电路604。另外，该通信装置60还可以包括通信线路602，存储器603。FIG. 15 shows a schematic diagram of the composition of a communication device 60 . The communication device 60 includes: at least one processor 601 and at least one interface circuit 604 . In addition, the communication device 60 may further include a communication line 602 and a memory 603 .
处理器601可以是一个通用中央处理器(central processing unit，CPU)，微处理 器，特定应用集成电路(application-specific integrated circuit，ASIC)，或一个或多个用于控制本申请方案程序执行的集成电路。The processor 601 can be a general-purpose central processing unit (central processing unit, CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more processors for controlling the execution of the programs of the present application. integrated circuit.
通信线路602可包括一通路，在上述组件之间传送信息。 Communication line 602 may include a path to communicate information between the aforementioned components.
接口电路604，使用任何收发器一类的装置，用于与其他设备或通信网络通信，如以太网，无线接入网(radio access network，RAN)，无线局域网(wireless local area networks，WLAN)等。 Interface circuit 604, using any transceiver-like device, for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
存储器603可以是只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)或者可存储信息和指令的其他类型的动态存储设备，也可以是电可擦可编程只读存储器(electrically erasable programmable read-only memory，EEPROM)、只读光盘(compact disc read-only memory，CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的程序代码并能够由计算机存取的任何其他介质，但不限于此。存储器可以是独立存在，通过通信线路602与处理器相连接。存储器也可以和处理器集成在一起。 Memory 603 may be read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (RAM), or other types of storage devices that can store information and instructions It can also be an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disk storage, CD-ROM storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or capable of carrying or storing program code in the form of instructions or data structures and capable of being accessed by a computer any other medium, but not limited to. The memory may exist independently and be connected to the processor through communication line 602 . The memory can also be integrated with the processor.
其中，存储器603用于存储执行本申请方案的计算机执行指令，并由处理器601来控制执行。处理器601用于执行存储器603中存储的计算机执行指令，从而实现本申请实施例提供的通信方法。The memory 603 is used for storing computer-executed instructions for executing the solutions of the present application, and the execution is controlled by the processor 601 . The processor 601 is configured to execute the computer-executed instructions stored in the memory 603, thereby implementing the communication method provided by the embodiment of the present application.
示例性地，在一些实施例中，当处理器601执行存储器603存储的指令时，使得该通信装置60执行如图7或图12所示中网络设备需要执行的操作。Exemplarily, in some embodiments, when the processor 601 executes the instructions stored in the memory 603, the communication apparatus 60 is caused to perform the operations required to be performed by the network device as shown in FIG. 7 or FIG. 12 .
在另一些实施例中，当处理器601执行存储器603存储的指令时，使得该通信装置60执行如图7或图12所示中终端设备需要执行的操作。In other embodiments, when the processor 601 executes the instructions stored in the memory 603, the communication apparatus 60 is caused to perform the operations that the terminal device as shown in FIG. 7 or FIG. 12 needs to perform.
可选的，本申请实施例中的计算机执行指令也可以称之为应用程序代码，本申请实施例对此不作具体限定。Optionally, the computer-executed instructions in the embodiment of the present application may also be referred to as application code, which is not specifically limited in the embodiment of the present application.
在具体实现中，作为一种实施例，处理器601可以包括一个或多个CPU，例如图13中的CPU0和CPU1。In a specific implementation, as an embodiment, the processor 601 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 13 .
在具体实现中，作为一种实施例，装置60可以包括多个处理器，例如图13中的处理器601和处理器607。这些处理器中的每一个可以是一个单核(single-CPU)处理器，也可以是一个多核(multi-CPU)处理器。这里的处理器可以指一个或多个设备、电路、和/或用于处理例如计数据(算机程序指令)的处理核。In a specific implementation, as an embodiment, the apparatus 60 may include multiple processors, such as the processor 601 and the processor 607 in FIG. 13 . Each of these processors can be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor. A processor herein may refer to one or more devices, circuits, and/or processing cores for processing, eg, computer data (computer program instructions).
在具体实现中，作为一种实施例，装置60还可以包括输出设备605和输入设备606。输出设备605和处理器601通信，可以以多种方式来显示信息。例如，输出设备605可以是液晶显示器(liquid crystal display，LCD)，发光二级管(light emitting diode，LED)显示设备，阴极射线管(cathode ray tube，CRT)显示设备，或投影仪(projector) 等。输入设备606和处理器601通信，可以以多种方式接收用户的输入。例如，输入设备606可以是鼠标、键盘、触摸屏设备或传感设备等。In a specific implementation, as an embodiment, the apparatus 60 may further include an output device 605 and an input device 606 . The output device 605 is in communication with the processor 601 and can display information in a variety of ways. For example, the output device 605 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector (projector) Wait. Input device 606 is in communication with processor 601 and can receive user input in a variety of ways. For example, the input device 606 may be a mouse, a keyboard, a touch screen device or a sensing device, or the like.
本申请实施例还提供一种计算机可读存储介质，该计算机可读存储介质中存储有指令，当该指令运行时，执行本申请实施例所提供的方法。示例性地，当该指令运行时，执行如图7或图12所示中网络设备需要执行的操作。或者，当该指令运行时，执行如图7或图12所示中终端设备需要执行的其他操作。The embodiment of the present application further provides a computer-readable storage medium, where an instruction is stored in the computer-readable storage medium, and when the instruction is executed, the method provided by the embodiment of the present application is executed. Exemplarily, when the instruction is executed, the operation that needs to be performed by the network device as shown in FIG. 7 or FIG. 12 is performed. Or, when the instruction is executed, other operations that need to be performed by the terminal device as shown in FIG. 7 or FIG. 12 are performed.
本申请实施例还提供一种包含指令的计算机程序产品。当其在计算机上运行时，使得计算机可以执行本申请实施例所提供的方法。示例性地，当该包含指令的计算机程序产品在计算机上运行时，计算机可以执行如图7或图12所示中网络设备需要执行的操作。或者，当该包含指令的计算机程序产品在计算机上运行时，计算机可以执行如图7或图12所示中终端设备需要执行的其他操作。Embodiments of the present application also provide a computer program product including instructions. When it runs on a computer, the computer can execute the methods provided by the embodiments of the present application. Exemplarily, when the computer program product containing the instructions is executed on a computer, the computer can perform the operations that the network device as shown in FIG. 7 or FIG. 12 needs to perform. Alternatively, when the computer program product containing the instructions runs on the computer, the computer can perform other operations that the terminal device as shown in FIG. 7 or FIG. 12 needs to perform.
本申请实施例还提供一种芯片。该芯片包括处理电路和接口；处理电路用于从存储介质中调用并运行存储介质中存储的计算机程序，使得芯片可以执行本申请实施例提供的方法。The embodiment of the present application also provides a chip. The chip includes a processing circuit and an interface; the processing circuit is used to call and run the computer program stored in the storage medium from the storage medium, so that the chip can execute the method provided by the embodiments of the present application.
本申请实施例还提供一种通信系统，包括第一通信设备和第二通信设备；其中：第一通信设备，用于执行上述实施例中发送参考信号的设备所执行的操作；第二通信设备，用于执行上述实施例中接收参考信号的设备所执行的操作。例如，第一通信设备用于执行图7中终端设备需要执行的操作，或用于执行图12中网络设备所执行的操作；第二通信设备用于执行图7中网络设备需要执行的操作，或用于执行图12中终端设备所执行的操作。An embodiment of the present application further provides a communication system, including a first communication device and a second communication device; wherein: the first communication device is configured to perform the operations performed by the device for sending a reference signal in the foregoing embodiment; the second communication device , which is used to perform the operations performed by the device for receiving the reference signal in the foregoing embodiment. For example, the first communication device is used to perform the operation that needs to be performed by the terminal device in FIG. 7, or is used to perform the operation performed by the network device in FIG. 12; the second communication device is used to perform the operation that needs to be performed by the network device in FIG. 7, Or used to perform the operations performed by the terminal device in FIG. 12 .
在上述实施例中的功能或动作或操作或步骤等，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件程序实现时，可以全部或部分地以计算机程序产品的形式来实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或者数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包括一个或多个可以用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)，光介质(例如，DVD)、或者半导体介质(例如固态硬盘(solid state disk，SSD))等。The functions or actions or operations or steps in the above embodiments may be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using a software program, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, all or part of the processes or functions described in the embodiments of the present application are generated. The computer may be a general purpose computer, special purpose computer, computer network, or other programmable device. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be downloaded from a website site, computer, server, or data center Transmission to another website site, computer, server, or data center by wire (eg, coaxial cable, optical fiber, digital subscriber line, DSL) or wireless (eg, infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer, or data storage devices including one or more servers, data centers, etc. that can be integrated with the medium. The usable media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVDs), or semiconductor media (eg, solid state disks (SSDs)), and the like.
尽管结合具体特征及其实施例对本申请进行了描述，显而易见的，在不脱离本申请的精神和范围的情况下，可对其进行各种修改和组合。相应地，本说明书和附图仅仅是所附权利要求所界定的本申请的示例性说明，且视为已覆盖本申请范围内的任意 和所有修改、变化、组合或等同物。显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包括这些改动和变型在内。Although the application has been described in conjunction with specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made therein without departing from the spirit and scope of the application. Accordingly, this specification and drawings are merely exemplary illustrations of the application as defined by the appended claims, and are deemed to cover any and all modifications, variations, combinations or equivalents within the scope of this application. Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims (30)

  1. 一种通信方法，其特征在于，所述方法包括：A communication method, characterized in that the method comprises:
    接收或者发送第一信令；其中，所述第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100001
    满足：     Receive or send first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein the first reference signal Different values of the preset fields included in the signaling correspond to respective reference signal combinations; all reference signals included in the reference signal combinations form a reference signal set, and the reference signal set includes at least two reference signals Signal group; reference signal sequence of each reference signal in the at least two reference signal groups
    Figure PCTCN2020119759-appb-100001
    Satisfy:
    Figure PCTCN2020119759-appb-100002
    Figure PCTCN2020119759-appb-100002
    其中，r(m)为伪随机序列，m为非负整数，A是非零复常数，t＝m mod N，
    Figure PCTCN2020119759-appb-100003
    正交码序列W(·)长度为N，自变量取值范围为0,1,2,…,N-1,c(·)为掩码序列，自变量取值范围为非负整数；     Among them, r(m) is a pseudo-random sequence, m is a non-negative integer, A is a non-zero complex constant, t=m mod N,
    Figure PCTCN2020119759-appb-100003
    The length of the orthogonal code sequence W(·) is N, the value range of the independent variable is 0, 1, 2, ..., N-1, c(·) is the mask sequence, and the value range of the independent variable is a non-negative integer;
    所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100004
    对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100005
    对应的正交码序列W(·)组成第二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的任一序列和所述第二序列组中的任一序列不同；     Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
    Figure PCTCN2020119759-appb-100004
    The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
    Figure PCTCN2020119759-appb-100005
    The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; any sequence in the first sequence group is different from any sequence in the second sequence group;
    其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
    生成并发送所述至少一个参考信号。The at least one reference signal is generated and transmitted.
  2. 根据权利要求1所述的方法，其特征在于，所述至少一个参考信号包括两个或者两个以上参考信号时，所述两个或者两个以上参考信号对应的正交码序列W(·)属于同一序列子组。The method according to claim 1, wherein when the at least one reference signal includes two or more reference signals, the orthogonal code sequence W(·) corresponding to the two or more reference signals belong to the same sequence subgroup.
  3. 根据权利要求1或2所述的方法，其特征在于，所述各参考信号组合组成参考信号组合集合，所述参考信号组合集合满足：The method according to claim 1 or 2, wherein the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
    所述参考信号组合集合为所述参考信号集合中所有可能的参考信号组合的真子集，且所述参考信号组合集合至少包括同一序列子组中的序列对应的参考信号的各种组合。The reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least various combinations of reference signals corresponding to sequences in the same sequence subset.
  4. 根据权利要求1-3任一项所述的方法，其特征在于，当所述参考信号集合中的参考信号的频率资源包括相同的资源块时，所述第一序列组的序列对应的参考信号序列和所述第二序列组的序列对应的参考信号序列映射在所述相同的资源块中的相同的子载波上。The method according to any one of claims 1-3, wherein when the frequency resources of the reference signals in the reference signal set include the same resource block, the reference signals corresponding to the sequences of the first sequence group The sequence and the reference signal sequence corresponding to the sequence of the second sequence group are mapped on the same subcarrier in the same resource block.
  5. 根据权利要求1-4任一项所述的方法，其特征在于，所述第一序列组/第二序列组的序列包括下述序列：The method according to any one of claims 1-4, wherein the sequence of the first sequence group/second sequence group comprises the following sequences:
    {1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；{1,1,1,1}, {1,-1,1,-1}, {1,1,-1,-1}, {1,-1,-1,1};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；{1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j};
    其中j为虚数单位。where j is the imaginary unit.
  6. 根据权利要求5所述的方法，其特征在于，The method of claim 5, wherein:
    所述第一序列组/第二序列组的序列包括下述序列时：When the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；{1,1,1,1}, {1,-1,1,-1}, {1,1,-1,-1}, {1,-1,-1,1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,1,1,1}、{1,-1,1,-1}；The first sequence subgroup: {1,1,1,1}, {1,-1,1,-1};
    第二序列子组：{1,1,-1,-1}、{1,-1,-1,1}；Second sequence subgroup: {1,1,-1,-1}, {1,-1,-1,1};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；{1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,j,1,j}、{1,-j,1,-j}；The first sequence subgroup: {1,j,1,j}, {1,-j,1,-j};
    第二序列子组：{1,j,-1,-j}、{1,-j,-1,j}。Second sequence subgroup: {1,j,-1,-j}, {1,-j,-1,j}.
  7. 根据权利要求1-4任一项所述的方法，所述第一序列组/第二序列组的序列包括下述序列：The method according to any one of claims 1-4, the sequence of the first sequence group/second sequence group comprises the following sequences:
    {1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；{1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j, j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}, {1,-j,-j,-1,-1,j ,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；{1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1, j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,-j,-1,1 ,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。{1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j, 1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j ,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j}.
  8. 根据权利要求7所述的方法，其特征在于，所述第一序列组/第二序列组的序列包括下述序列时：The method according to claim 7, wherein the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、 {1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；{1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j, j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}, {1,-j,-j,-1,-1,j ,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}；First sequence subgroup: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1};
    第二序列子组：{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；Second sequence subgroup: {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；{1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1, j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,-j,-1,1 ,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}；First sequence subgroup: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j};
    第二序列子组：{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；Second sequence subgroup: {1,-1,-j,-j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；First sequence subgroup: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1 ,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1};
    第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；Second sequence subgroup: {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；{1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j, 1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j ,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}；First sequence subgroup: {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j};
    第二序列子组：{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。Second sequence subgroup: {1,-j,-1,-j,-1,j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j}.
  9. 根据权利要求1-4任一项所述的方法，所述第一序列组/第二序列组的序列包括下述序列：The method according to any one of claims 1-4, the sequence of the first sequence group/second sequence group comprises the following sequences:
    {1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。{1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1, 1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,-1,-1,-1, -1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1}.
  10. 根据权利要求9所述的方法，其特征在于，所述第一序列组/第二序列组的序列包括下述序列时：The method according to claim 9, wherein the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；First sequence subgroup: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1 ,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1};
    第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；Second sequence subgroup: {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；{1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1, 1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,-1,-1,-1, -1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}；First sequence subgroup: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1 ,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1};
    第二序列子组：{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。Second sequence subgroup: {1,1,1,-1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1}.
  11. 根据权利要求1-10任一项所述的方法，其特征在于，所述各参考信号组合中各参考信号为解调参考信号DMRS；The method according to any one of claims 1-10, wherein each reference signal in the each reference signal combination is a demodulation reference signal DMRS;
    所述第一信令为下行控制信息DCI。The first signaling is downlink control information DCI.
  12. 一种通信方法，其特征在于，所述方法包括：A communication method, characterized in that the method comprises:
    接收或者发送第一信令；其中，第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100006
    满足：     Receive or send first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein, the first signaling The different values of the preset field segments included in the reference signal group respectively correspond to each reference signal combination; all reference signals included in each reference signal combination form a reference signal set, and the reference signal set includes at least two reference signal groups ; the reference signal sequence of each reference signal in the at least two reference signal groups
    Figure PCTCN2020119759-appb-100006
    Satisfy:
    Figure PCTCN2020119759-appb-100007
    Figure PCTCN2020119759-appb-100007
    其中，r(m)为伪随机序列，m为非负整数，A是非零复常数，t＝m mod N，
    Figure PCTCN2020119759-appb-100008
    W(·)表示长度为N的正交码序列，自变量取值范围为0,1，…,N-1
    Figure PCTCN2020119759-appb-100009
    c(·)为掩码序列，自变量取值范围为非负整数     Among them, r(m) is a pseudo-random sequence, m is a non-negative integer, A is a non-zero complex constant, t=m mod N,
    Figure PCTCN2020119759-appb-100008
    W( ) represents an orthogonal code sequence of length N, and the value range of the independent variable is 0, 1, ..., N-1
    Figure PCTCN2020119759-appb-100009
    c( ) is a mask sequence, and the value range of the argument is a non-negative integer
    所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100010
    对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100011
    对应的正交码序列W(·)组成第二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的任一序列和所述第二序列组中的任一序列不同；     Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
    Figure PCTCN2020119759-appb-100010
    The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
    Figure PCTCN2020119759-appb-100011
    The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; any sequence in the first sequence group is different from any sequence in the second sequence group;
    其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group The sequence r(m) corresponding to the group is the same;
    接收所述至少一个参考信号。The at least one reference signal is received.
  13. 根据权利要求12所述的方法，其特征在于，所述至少一个参考信号包括两个或者两个以上参考信号时，所述两个或者两个以上参考信号对应的正交码序列W(·)属于同一序列子组。The method according to claim 12, wherein when the at least one reference signal includes two or more reference signals, the orthogonal code sequence W(·) corresponding to the two or more reference signals belong to the same sequence subgroup.
  14. 根据权利要求12或13所述的方法，其特征在于，所述各参考信号组合组成参考信号组合集合，所述参考信号组合集合满足：The method according to claim 12 or 13, wherein the reference signal combinations form a reference signal combination set, and the reference signal combination set satisfies:
    所述参考信号组合集合为所述参考信号集合中所有可能的参考信号组合的真子集，且所述参考信号组合集合至少包括同一序列子组中的序列对应的参考信号的各种组合。The reference signal combination set is a proper subset of all possible reference signal combinations in the reference signal set, and the reference signal combination set includes at least various combinations of reference signals corresponding to sequences in the same sequence subset.
  15. 根据权利要求12-14任一项所述的方法，其特征在于，当所述参考信号集合中的参考信号的频率资源包括相同的资源块时，所述第一序列组的序列对应的参考信号序列和所述第二序列组的序列对应的参考信号序列映射在所述相同的资源块中的相同的子载波上。The method according to any one of claims 12-14, wherein when the frequency resources of the reference signals in the reference signal set include the same resource block, the reference signals corresponding to the sequences of the first sequence group The sequence and the reference signal sequence corresponding to the sequence of the second sequence group are mapped on the same subcarrier in the same resource block.
  16. 根据权利要求12-15任一项所述的方法，其特征在于，所述第一序列组/第二序列组的序列包括下述序列：The method according to any one of claims 12-15, wherein the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；{1,1,1,1}, {1,-1,1,-1}, {1,1,-1,-1}, {1,-1,-1,1};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；{1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j};
    其中j为虚数单位。where j is the imaginary unit.
  17. 根据权利要求16所述的方法，其特征在于，The method of claim 16, wherein:
    所述第一序列组/第二序列组的序列包括下述序列时：When the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1}、{1,-1,1,-1}、{1,1,-1,-1}、{1,-1,-1,1}；{1,1,1,1}, {1,-1,1,-1}, {1,1,-1,-1}, {1,-1,-1,1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,1,1,1}、{1,-1,1,-1}；The first sequence subgroup: {1,1,1,1}, {1,-1,1,-1};
    第二序列子组：{1,1,-1,-1}、{1,-1,-1,1}；Second sequence subgroup: {1,1,-1,-1}, {1,-1,-1,1};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,j,1,j}、{1,-j,1,-j}、{1,j,-1,-j}、{1,-j,-1,j}；{1,j,1,j}, {1,-j,1,-j}, {1,j,-1,-j}, {1,-j,-1,j};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,j,1,j}、{1,-j,1,-j}；The first sequence subgroup: {1,j,1,j}, {1,-j,1,-j};
    第二序列子组：{1,j,-1,-j}、{1,-j,-1,j}。Second sequence subgroup: {1,j,-1,-j}, {1,-j,-1,j}.
  18. 根据权利要求12-15任一项所述的方法，所述第一序列组/第二序列组的序列包括下述序列：The method according to any one of claims 12-15, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；{1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j, j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}, {1,-j,-j,-1,-1,j ,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；{1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1, j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,-j,-1,1 ,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；{1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j, 1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j ,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j};
  19. 根据权利要求18所述的方法，其特征在于，所述第一序列组/第二序列组的序列包括下述序列时：The method according to claim 18, wherein the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}、{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；{1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j, j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1}, {1,-j,-j,-1,-1,j ,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,-j,-j,-1,1,-j,-j,-1}、{1,j,-j,1,1,j,-j,1}、{1,-j,j,1,1,-j,j,1}、{1,j,j,-1,1,j,j,-1}；First sequence subgroup: {1,-j,-j,-1,1,-j,-j,-1}, {1,j,-j,1,1,j,-j,1}, {1,-j,j,1,1,-j,j,1}, {1,j,j,-1,1,j,j,-1};
    第二序列子组：{1,-j,-j,-1,-1,j,j,1}、{1,j,-j,1,-1,-j,j,-1}、{1,-j,j,1,-1,j,-j,-1}、{1,j,j,-1,-1,-j,-j,1}；Second sequence subgroup: {1,-j,-j,-1,-1,j,j,1}, {1,j,-j,1,-1,-j,j,-1}, {1,-j,j,1,-1,j,-j,-1}, {1,j,j,-1,-1,-j,-j,1};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}、{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；{1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1, j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j}, {1,-1,-j,-j,-1,1 ,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,-1,-j,-j,1,-1,-j,-j}、{1,1,-j,j,1,1,-j,j}、{1,-1,j,j,1,-1,j,j}、{1,1,j,-j,1,1,j,-j}；First sequence subgroup: {1,-1,-j,-j,1,-1,-j,-j}, {1,1,-j,j,1,1,-j,j}, {1,-1,j,j,1,-1,j,j}, {1,1,j,-j,1,1,j,-j};
    第二序列子组：{1,-1,-j,-j,-1,1,j,j}、{1,1,-j,j,-1,-1,j,-j}、{1,-1,j,j,-1,1,-j,-j}、{1,1,j,-j,-1,-1,-j,j}；Second sequence subgroup: {1,-1,-j,-j,-1,1,j,j}, {1,1,-j,j,-1,-1,j,-j}, {1,-1,j,j,-1,1,-j,-j}, {1,1,j,-j,-1,-1,-j,j};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；First sequence subgroup: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1 ,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1};
    第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；Second sequence subgroup: {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}、{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}；{1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j, 1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j}, {1,-j,-1,-j,-1,j ,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,-j,-1,-j,1,-j,-1,-j}、{1,j,-1,j,1,j,-1,j}、{1,-j,1,j,1,-j,1,j}、{1,j,1,-j,1,j,1,-j}；First sequence subgroup: {1,-j,-1,-j,1,-j,-1,-j}, {1,j,-1,j,1,j,-1,j}, {1,-j,1,j,1,-j,1,j}, {1,j,1,-j,1,j,1,-j};
    第二序列子组：{1,-j,-1,-j,-1,j,1,j}、{1,j,-1,j,-1,-j,1,-j}、{1,-j,1,j,-1,j,-1,-j}、{1,j,1,-j,-1,-j,-1,j}。Second sequence subgroup: {1,-j,-1,-j,-1,j,1,j}, {1,j,-1,j,-1,-j,1,-j}, {1,-j,1,j,-1,j,-1,-j}, {1,j,1,-j,-1,-j,-1,j}.
  20. 根据权利要求12-15任一项所述的方法，其特征在于，所述第一序列组/第二序列组的序列包括下述序列：The method according to any one of claims 12-15, wherein the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    或者，所述第一序列组/第二序列组的序列包括下述序列：Alternatively, the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。{1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1, 1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,-1,-1,-1, -1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1}.
  21. 根据权利要求20所述的方法，其特征在于，所述第一序列组/第二序列组的序列包括下述序列时：The method according to claim 20, wherein the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}、{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；{1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1,-1,-1 ,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1}, {1,1,1,1,-1,-1,- 1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,1,1,1,1,1,1,1}、{1,-1,1,-1,1,-1,1,-1}、{1,1,-1,-1,1,1,-1,-1}、{1,-1,-1,1,1,-1,-1,1}；First sequence subgroup: {1,1,1,1,1,1,1,1}, {1,-1,1,-1,1,-1,1,-1}, {1,1 ,-1,-1,1,1,-1,-1}, {1,-1,-1,1,1,-1,-1,1};
    第二序列子组：{1,1,1,1,-1,-1,-1,-1}、{1,-1,1,-1,-1,1,-1,1}、{1,1,-1,-1,-1,-1,1,1}、{1,-1,-1,1,-1,1,1,-1}；Second sequence subgroup: {1,1,1,1,-1,-1,-1,-1}, {1,-1,1,-1,-1,1,-1,1}, {1,1,-1,-1,-1,-1,1,1}, {1,-1,-1,1,-1,1,1,-1};
    或者，所述第一序列组/第二序列组的序列包括下述序列时：Alternatively, when the sequences of the first sequence group/second sequence group include the following sequences:
    {1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}、{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}；{1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1,-1,1, 1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1}, {1,1,1,-1,-1,-1, -1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1};
    序列子组包括：Sequence subgroups include:
    第一序列子组：{1,1,1,-1,1,1,1,-1}、{1,-1,1,1,1,-1,1,1}、{1,1,-1,1,1,1,-1,1}、{1,-1,-1,-1,1,-1,-1,-1}；First sequence subgroup: {1,1,1,-1,1,1,1,-1}, {1,-1,1,1,1,-1,1,1}, {1,1 ,-1,1,1,1,-1,1}, {1,-1,-1,-1,1,-1,-1,-1};
    第二序列子组：{1,1,1,-1,-1,-1,-1,1}、{1,-1,1,1,-1,1,-1,-1}、{1,1,-1,1,-1,-1,1,-1}、{1,-1,-1,-1,-1,1,1,1}。Second sequence subgroup: {1,1,1,-1,-1,-1,-1,1}, {1,-1,1,1,-1,1,-1,-1}, {1,1,-1,1,-1,-1,1,-1}, {1,-1,-1,-1,-1,1,1,1}.
  22. 根据权利要求12-21任一项所述的方法，其特征在于，所述各参考信号组合中各参考信号为解调参考信号DMRS；The method according to any one of claims 12-21, wherein each reference signal in each reference signal combination is a demodulation reference signal DMRS;
    所述第一信令为下行控制信息DCI。The first signaling is downlink control information DCI.
  23. 一种通信装置，其特征在于，所述通信装置包括：A communication device, characterized in that the communication device comprises:
    通信单元，用于接收或者发送第一信令；其中，所述第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100012
    满足：     a communication unit, configured to receive or send first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein , the different values of the preset fields included in the first signaling correspond to respective reference signal combinations; all reference signals included in the reference signal combinations form a reference signal set, and the reference signal set At least two reference signal groups are included; the reference signal sequence of each reference signal in the at least two reference signal groups
    Figure PCTCN2020119759-appb-100012
    Satisfy:
    Figure PCTCN2020119759-appb-100013
    Figure PCTCN2020119759-appb-100013
    其中，r(m)为伪随机序列，m为非负整数，A是非零复常数，t＝m mod N，
    Figure PCTCN2020119759-appb-100014
    W(·)表示长度为N的正交码序列，自变量取值范围为0,1，…,N-1
    Figure PCTCN2020119759-appb-100015
    c(·)为掩码序列，自变量取值范围为非负整数；     Among them, r(m) is a pseudo-random sequence, m is a non-negative integer, A is a non-zero complex constant, t=m mod N,
    Figure PCTCN2020119759-appb-100014
    W( ) represents an orthogonal code sequence of length N, and the value range of the independent variable is 0, 1, ..., N-1
    Figure PCTCN2020119759-appb-100015
    c( ) is a mask sequence, and the value range of the argument is a non-negative integer;
    所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100016
    对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100017
    对应的正交码序列W(·)组成第二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的序列和所述第二序列组中的序列不同；     Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
    Figure PCTCN2020119759-appb-100016
    The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
    Figure PCTCN2020119759-appb-100017
    The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
    其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the second sequence group The sequence r(m) corresponding to the group is the same;
    参考信号发送单元，用于生成并发送所述至少一个参考信号。A reference signal sending unit, configured to generate and send the at least one reference signal.
  24. 一种通信装置，其特征在于，所述通信装置包括：A communication device, characterized in that the communication device comprises:
    通信单元，用于接收或者发送第一信令；其中，第一信令包括的预设域段，指示第一参考信号组合；所述第一参考信号组合中包括至少一个参考信号；其中，所述第 一信令中包括的所述预设域段的不同取值，分别对应各参考信号组合；所述各参考信号组合包括的所有的参考信号组成参考信号集合，所述参考信号集合包括至少两个参考信号组；所述至少两个参考信号组中各参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100018
    满足：     a communication unit, configured to receive or send a first signaling; wherein, a preset field included in the first signaling indicates a first reference signal combination; the first reference signal combination includes at least one reference signal; wherein, the Different values of the preset fields included in the first signaling respectively correspond to each reference signal combination; all reference signals included in each reference signal combination form a reference signal set, and the reference signal set includes at least one reference signal set. Two reference signal groups; reference signal sequences of each reference signal in the at least two reference signal groups
    Figure PCTCN2020119759-appb-100018
    Satisfy:
    Figure PCTCN2020119759-appb-100019
    Figure PCTCN2020119759-appb-100019
    其中，r(m)为伪随机序列，m为非负整数，A是非零复常数，t＝m mod N，
    Figure PCTCN2020119759-appb-100020
    W(·)表示长度为N的正交码序列，自变量取值范围为0,1，…,N-1
    Figure PCTCN2020119759-appb-100021
    c(·)为掩码序列，自变量取值范围为非负整数；     Among them, r(m) is a pseudo-random sequence, m is a non-negative integer, A is a non-zero complex constant, t=m mod N,
    Figure PCTCN2020119759-appb-100020
    W( ) represents an orthogonal code sequence of length N, and the value range of the independent variable is 0, 1, ..., N-1
    Figure PCTCN2020119759-appb-100021
    c( ) is a mask sequence, and the value range of the argument is a non-negative integer;
    所述至少两个参考信号组中任意两个参考信号组，满足以下条件：第一参考信号组中的所有的参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100022
    对应的正交码序列W(·)组成第一序列组，第二参考信号组中的所有参考信号的参考信号序列
    Figure PCTCN2020119759-appb-100023
    对应的正交码序列W(·)组成第二序列组；所述第一序列组中各序列正交；所述第二序列组中各序列正交；所述第一序列组中包括至少两个序列子组；所述第二序列组中包括至少两个序列子组；所述第一序列组中的一个序列子组中的序列与所述第二序列组中的部分序列子组中的序列正交；所述第一序列组中的序列和所述第二序列组中的序列不同；     Any two reference signal groups in the at least two reference signal groups meet the following conditions: the reference signal sequences of all reference signals in the first reference signal group
    Figure PCTCN2020119759-appb-100022
    The corresponding orthogonal code sequence W(·) constitutes the first sequence group, and the reference signal sequences of all reference signals in the second reference signal group
    Figure PCTCN2020119759-appb-100023
    The corresponding orthogonal code sequences W(·) form a second sequence group; the sequences in the first sequence group are orthogonal; the sequences in the second sequence group are orthogonal; the first sequence group includes at least two sequence subgroups; the second sequence group includes at least two sequence subgroups; a sequence in one sequence subgroup in the first sequence group and a sequence in a partial sequence subgroup in the second sequence group The sequences are orthogonal; the sequences in the first sequence group and the sequences in the second sequence group are different;
    其中，所述第一序列组对应的序列c(·)与所述第二序列组对应的序列c(·)不同；所述第一序列组对应的序列r(m)与所述第二序列组对应的序列r(m)相同；The sequence c(·) corresponding to the first sequence group is different from the sequence c(·) corresponding to the second sequence group; the sequence r(m) corresponding to the first sequence group is different from the second sequence group The sequence r(m) corresponding to the group is the same;
    参考信号接收单元，用于接收所述至少一个参考信号。A reference signal receiving unit, configured to receive the at least one reference signal.
  25. 一种通信装置，其特征在于，所述通信装置包括至少一个处理器和接口电路，所述至少一个处理器用于通过所述接口电路与其它装置通信，以执行如权利要求1-11中任一项所述的通信方法。A communication device, characterized in that the communication device comprises at least one processor and an interface circuit, and the at least one processor is configured to communicate with other devices through the interface circuit, so as to execute any one of claims 1-11 The communication method described in item.
  26. 一种通信装置，其特征在于，所述通信装置包括至少一个处理器和接口电路，所述至少一个处理器用于通过所述接口电路与其它装置通信，以执行如权利要求12-22中任一项所述的通信方法。A communication device, characterized in that the communication device comprises at least one processor and an interface circuit, and the at least one processor is configured to communicate with other devices through the interface circuit, so as to execute any one of claims 12-22 The communication method described in item.
  27. 一种芯片，其特征在于，所述芯片包括处理电路和接口；所述处理电路用于从存储介质中调用并运行所述存储介质中存储的计算机程序，以执行如权利要求1-11中任一项所述的通信方法，或者，执行如权利要求12-22中任一项所述的通信方法。A chip, characterized in that the chip includes a processing circuit and an interface; the processing circuit is used to call and run a computer program stored in the storage medium from a storage medium to execute any one of claims 1-11. One of the communication methods described, or, performing the communication method according to any one of claims 12-22.
  28. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有指令；当所述指令运行时，执行如权利要求1-11中任一项所述的通信方法，或者，执行如权利要求12-22中任一项所述的通信方法。A computer-readable storage medium, wherein an instruction is stored in the computer-readable storage medium; when the instruction is executed, the communication method according to any one of claims 1-11 is executed, or, A communication method as claimed in any one of claims 12-22 is performed.
  29. 一种计算机程序产品，其特征在于，包括指令；当所述指令在计算机上运行时，使得计算机执行如权利要求1-11中任一项所述的通信方法，或者，使得计算机执行如权利要求12-22中任一项所述的通信方法。A computer program product, characterized in that it includes instructions; when the instructions are run on a computer, the computer is made to execute the communication method according to any one of claims 1-11, or the computer is made to execute the communication method as claimed in the claims. The communication method of any one of 12-22.
  30. 一种通信系统，其特征在于，包括：第一通信设备和第二通信设备；其中：A communication system, comprising: a first communication device and a second communication device; wherein:
    所述第一通信设备，用于执行权利要求1-11任一项所述的方法；the first communication device, configured to execute the method of any one of claims 1-11;
    所述第二通信设备，用于执行权利要求12-22任一项所述的方法。The second communication device is configured to perform the method of any one of claims 12-22.
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