[go: up one dir, main page]

WO2018126926A1 - 信号传输方法和装置 - Google Patents

信号传输方法和装置 Download PDF

Info

Publication number
WO2018126926A1
WO2018126926A1 PCT/CN2017/118354 CN2017118354W WO2018126926A1 WO 2018126926 A1 WO2018126926 A1 WO 2018126926A1 CN 2017118354 W CN2017118354 W CN 2017118354W WO 2018126926 A1 WO2018126926 A1 WO 2018126926A1
Authority
WO
WIPO (PCT)
Prior art keywords
reference signal
terminal device
resource
cell
configuration information
Prior art date
Application number
PCT/CN2017/118354
Other languages
English (en)
French (fr)
Inventor
李俊超
张弛
龚政委
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to BR112019013783A priority Critical patent/BR112019013783A2/pt
Priority to EP17890090.8A priority patent/EP3557805B1/en
Publication of WO2018126926A1 publication Critical patent/WO2018126926A1/zh
Priority to US16/503,514 priority patent/US11381363B2/en

Links

Images

Classifications

    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Definitions

  • the embodiments of the present application relate to the field of communications, and, more particularly, to a signal transmission method and apparatus.
  • D-TDD dynamic time division duplex
  • the so-called D-TDD refers to the flexible and fast switching of time division duplex (TDD) subframes or time slots to uplink and downlink according to the uplink and downlink traffic load in the network, thereby matching specific service requirements in the network and improving network uplink and downlink.
  • the throughput of the business The 3rd generation partnership project (3GPP) has initially completed the standardization of eIMTA (enhanced interference management and traffic adaptation) in the Rel-12 phase.
  • 3GPP has now developed the 5th generation (5G) new radio (NR) standard, and D-TDD is one of the important features of NR.
  • 5G 5th generation
  • NR new radio
  • the first aspect provides a signal transmission method, including: receiving, by a terminal device, configuration information sent by a network device, where the configuration information is used to indicate that the terminal device sends a reference signal, and the resource used for transmitting the reference signal is based on The cell public identifier of the cell to which the terminal device belongs is determined; the terminal device sends the reference signal by using the resource according to the configuration information.
  • the network device may carry configuration information generated by the upper layer on the physical channel, and then send the configuration information to the terminal device by using the physical channel.
  • the configuration information is used to indicate that the terminal device sends a reference signal, and the resource used for transmitting the reference signal is determined by the terminal device according to a cell public identifier of a cell to which the terminal device belongs.
  • the terminal device After receiving the configuration information sent by the network device, the terminal device determines a resource for transmitting the reference signal according to the configuration information, and sends the reference signal by using the resource.
  • the resource used for transmitting the reference signal includes at least one of: a symbol used to transmit the reference signal, and a used to transmit the reference signal Subcarriers, cyclic shifts of the reference signals, and orthogonal masks of the reference signals.
  • the resource used for transmitting the reference signal may include at least one of a time domain resource, a frequency domain resource, a code domain resource, and an airspace resource, where the four resources are specifically used to transmit the reference signal, A subcarrier used for transmitting the reference signal, a cyclic shift of the reference signal, and an orthogonal mask of the reference signal.
  • the resources used for transmitting the reference signal may include other resources in addition to the above four resources, which is not limited by the embodiment of the present application.
  • the reference signal is a first type reference signal and/or a second type reference signal, where the first The class reference signal is a sounding reference signal SRS or a first demodulation reference signal DMRS, and the second type of reference signal is a channel state information reference signal CSI-RS or a second demodulation reference signal DMRS.
  • the resource particles corresponding to the reference signal are used for physical layer transmission, and do not carry information from higher layers. It should be understood that there are many reference signals for uplink and downlink transmission between the network device and the terminal device.
  • the uplink reference signal includes: a sounding reference signal (SRS) and a first demodulation reference signal.
  • the downlink reference signal includes: cell-specific reference signals (CRS), channel status a channel state information reference signal (CSI-RS) and a second demodulation reference signal DMRS, wherein the CRS can be used for downlink control/data demodulation/downlink channel measurement, and the CSI-RS can be used for downlink channel measurement,
  • CRS cell-specific reference signals
  • CSI-RS channel state information reference signal
  • the second DMRS can be used for downlink control/data demodulation.
  • the cyclic prefix CP of the reference signal is a regular CP.
  • the conventional CP can save measurement overhead and ensure more reserved guard interval, thereby improving transmission efficiency.
  • the dynamic signaling may be a physical downlink control channel (PDCCH), and the high-level signaling may be a system information (SIB) or a radio resource control (radio resource control).
  • SIB system information
  • radio resource control radio resource control
  • the terminal device sends the reference signal by using the resource, including: the terminal After receiving the configuration information, the device determines the resource according to the cell public identifier of the cell to which the terminal device belongs; and the terminal device uses the resource to send the reference signal.
  • the terminal device receives configuration information sent by the network device, and determines, according to the configuration information, that the reference signal is used for interference/channel measurement between the terminal devices, and the terminal device is a sender, where the terminal device is The resource used for transmitting the reference signal may be determined according to the public identifier of the cell, and the reference signal is sent by using the resource.
  • the cell public identifier of the cell to which the terminal device belongs may be a physical cell identity (PCI) of the cell to which the terminal device belongs, and may also be other configuration-based identifiers, which is not limited in this embodiment.
  • PCI physical cell identity
  • the terminal device determines a cell public identifier of the cell to which the terminal device belongs, and may be specifically classified into two cases: if the cell public identifier is PCI, the PCI may be determined by the terminal device according to the synchronization signal when the cell is synchronized. If the public identifier of the cell is another configuration-based identifier, the identifier may be configured by the network device for the terminal device by using broadcast or higher layer signaling.
  • the determination of the public identity of the cell may also depend on the result of the negotiation between the network devices, and the result may be sent to the terminal device of each cell through physical layer signaling or higher layer signaling.
  • the two cells may use the same cell public identity, but the application is implemented.
  • the reference signal QCL indicates that the reference signal has large-scale fading characteristics such as similar Doppler shift, Doppler spread, average delay, and/or time domain spread.
  • the determining, by the terminal device, the resource, according to a cell public identifier of a cell to which the terminal device belongs includes: The terminal device calculates a resource index of the resource according to a predefined criterion according to a cell public identifier of the cell to which the terminal device belongs; and the terminal device determines the resource according to the resource index of the resource.
  • the resource index is a unique identifier for determining a resource
  • the resource is generally numbered.
  • the number corresponding to each resource is an index of the resource, and the network device and/or the terminal device may determine the resource index according to the resource index.
  • Corresponding resources, wherein the correspondence between the resource index and the resource may be pre-defined by the protocol.
  • the resource is that the terminal device is configured according to a cell public identifier of the cell to which the terminal device belongs, and a first mapping relationship. And determining, by the at least one candidate resource, the first mapping relationship is used to indicate a correspondence between the at least one cell public identifier and the at least one candidate resource, where the at least one cell public identifier includes the terminal device The cell public identity of the cell.
  • the resources used to transmit the reference signal may be independently determined, or may be protocol pre-defined.
  • a number of feasible resource combinations such as subcarriers, symbols and OCCs, subcarriers, symbols, etc., may be predefined in the protocol, and a number is predefined for each combination.
  • the terminal device sends the reference signal by using the resource, including: the terminal The device sends the reference signal to at least one other terminal device by using the resource according to the configuration information.
  • the configuration information is further used to indicate whether the reference signal of the terminal device is used for interference/channel measurement between the terminal devices. Interference/channel measurement, and in a case where the configuration information indicates that the reference signal of the terminal device is used for interference/channel measurement interference/channel measurement between terminal devices, the first configuration information is further used to indicate the The terminal device is the sender or receiver.
  • the configuration result of the foregoing configuration information may be classified into the following three cases:
  • the terminal device Sending the reference signal.
  • the terminal device Receiving a reference signal sent by another terminal device of the neighboring cell, and performing interference/channel measurement between the terminal devices according to the reference signal.
  • the terminal device may feed back the measured channel state information to the associated network device according to the configuration information.
  • the terminal device sends an uplink reference signal or receives a downlink reference signal according to the configuration information.
  • the reference signals configured in case (1) and case (2) are used for interference/channel measurement between terminal devices.
  • the reference signal transmitted or received by the terminal device can be an uplink reference.
  • the signal may also be a downlink reference signal, which is not limited in this embodiment of the present application.
  • the reference signal configured by the network device is used for uplink and downlink measurement. If the terminal device is the sender, the reference signal sent by the terminal device is necessarily an uplink reference signal, and if the terminal device is the receiver, The reference signal received by the terminal device is necessarily a downlink reference signal.
  • the reference signal configured is a reference signal in the NR system
  • the reference signal in the NR system may be the same as the reference signal in the existing LTE system, and may be different.
  • the application embodiment does not limit the reference signal used for performing interference measurement between terminal devices.
  • a signal transmission method including: the network device carries configuration information on a physical channel, where the configuration information is used to indicate that the terminal device sends a reference signal, and the resource used for transmitting the reference signal is based on Determining, by the cell public identifier of the cell to which the terminal device belongs; the network device sending the configuration information to the terminal device by using the physical channel.
  • the configuration information is sent to the terminal device by using the network device, and after receiving the configuration information, the terminal device sends a reference signal according to the cell public identifier of the cell to which the terminal device belongs, and can use the existing reference.
  • the signal performs interference/channel measurement between the terminal devices, and the terminal device on the receiving side distinguishes the interfering cells while improving the utilization of the reference signal.
  • the resource used for transmitting the reference signal includes at least one of: a symbol used to transmit the reference signal, and a used to transmit the reference signal Subcarriers, cyclic shifts of the reference signals, and orthogonal masks of the reference signals.
  • the reference signal is a first type reference signal and/or a second type reference signal, where the first The class reference signal is a sounding reference signal SRS or a first demodulation reference signal DMRS, and the second type of reference signal is a channel state information reference signal CSI-RS or a second demodulation reference signal DMRS.
  • the cyclic prefix CP of the reference signal is a regular CP.
  • the configuration information is carried by dynamic signaling or high layer signaling.
  • the physical channel includes a physical downlink control channel PDCCH and/or a physical downlink shared channel (PDSCH).
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • a signal transmission apparatus for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the apparatus comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a signal transmission apparatus for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • the apparatus comprises means for performing the method of any of the possible implementations of the second aspect or the second aspect described above.
  • a signal transmission apparatus comprising: a transceiver, a memory, and a processor.
  • the transceiver, the memory and the processor are in communication with each other via an internal connection path for storing instructions for executing instructions stored in the memory to control the receiver to receive signals and to control the transmitter to transmit signals
  • the processor executes the instructions stored by the memory, the executing causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
  • a signal transmission apparatus comprising: a transceiver, a memory, and a processor.
  • the transceiver, the memory and the processor are in communication with each other via an internal connection path for storing instructions for executing instructions stored in the memory to control the receiver to receive signals and to control the transmitter to transmit signals
  • the processor executes the instructions stored by the memory, the executing causes the processor to perform the method of any of the possible implementations of the second aspect or the second aspect.
  • a signal transmission system comprising the apparatus of any of the possible implementations of the third aspect or the third aspect, and the possible implementation of any of the fourth or fourth aspect Device; or
  • the system comprises the apparatus of any of the possible implementations of the fifth or fifth aspect, and the apparatus of any of the sixth or sixth aspect of the possible implementation.
  • a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a ninth aspect a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of any of the second aspect or the second aspect of the second aspect.
  • FIG. 1 is a schematic diagram of a communication system to which an embodiment of the present application is applied.
  • FIG. 2 is a schematic diagram of another communication system to which the embodiment of the present application is applied.
  • FIG. 3 is a schematic flowchart of a signal transmission method provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of another signal transmission method provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of OFDM-based signal transmission provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of signal transmission based on DFT-S-OFDM provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of signal transmission based on DFT-S-OFDM provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of signal transmission based on DFT-S-OFDM provided by an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a signal transmission apparatus provided by an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of another signal transmission apparatus provided by an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of another signal transmission apparatus provided by an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of another signal transmission apparatus provided by an embodiment of the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA Wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD LTE frequency division duplex
  • TDD LTE time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • FIG. 1 shows a communication system 100 to which an embodiment of the present application is applied.
  • the communication system 100 can include at least one network device 110.
  • Network device 100 may be a device that communicates with a terminal device, such as a base station or base station controller or the like.
  • Each network device 100 can provide communication coverage for a particular geographic area and can communicate with terminal devices (e.g., UEs) located within the coverage area (cell).
  • terminal devices e.g., UEs
  • the network device 100 may be a base transceiver station (BTS) in a GSM system or a code division multiple access (CDMA) system, or a base station (nodeB, NB) in a WCDMA system, or may be An evolved base station (evolutional node B, eNB or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (CRAN), or the network device may be a relay station, an access point, In-vehicle device, wearable device, network-side device in a future 5G network, or a network device in a public land mobile network (PLMN) that is evolving in the future.
  • BTS base transceiver station
  • CDMA code division multiple access
  • NB base station
  • NB base station
  • NB base station
  • the network device may be a relay station, an access point, In-vehicle device, wearable device, network-side device in a future 5G network, or a network device in a public
  • the wireless communication system 100 also includes a plurality of terminal devices 120 located within the coverage of the network device 110.
  • the terminal device 120 can be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, a user equipment (UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, and a user. Agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication.
  • PLMN public land mobile network
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and may include other numbers of terminal devices within the coverage of each network device. The embodiment does not limit this.
  • the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.
  • network entities such as a network controller, a mobility management entity, and the like.
  • the embodiment of the present application is not limited thereto.
  • FIG. 2 illustrates another communication system 200 to which the embodiments of the present application are applied.
  • the system 200 is a system architecture of the LTE, and mainly includes a mobility management entity (MME)/serving gateway (SGW), a base station eNB, and a user equipment UE.
  • MME mobility management entity
  • SGW serving gateway
  • UE user equipment
  • MME is a key control node in the 3rd generation partnership project (3GPP) LTE. It belongs to the core network element and is mainly responsible for the signaling processing part, that is, the control plane function, including access control. Functions such as mobility management, attach and detach, session management, and gateway selection; SGW is an important network element of the core network in 3GPP LTE, and is mainly responsible for the user plane function of user data forwarding, that is, routing of data packets under the control of the MME. And forwarding.
  • 3GPP LTE 3rd generation partnership project
  • the eNB is a base station in LTE, and is mainly responsible for radio resource management, quality of service (QoS) management, data compression, and encryption on the air interface side. On the core network side, the eNB is mainly responsible for forwarding control plane signaling to the MME and forwarding user plane service data to the SGW.
  • QoS quality of service
  • the UE is a device that accesses the network side through the eNB in LTE, and may be, for example, a handheld terminal, a notebook computer, or other device that can access the network.
  • the S1 interface is a standard interface between the eNB and the core network, and includes an S1-MME interface and an S1-U interface, where the eNB is connected to the MME through the S1-MME interface, and is used for control signaling transmission;
  • the S1-U interface is connected to the SGW for transmission of user data.
  • the X2 interface is a standard interface between the eNB and the eNB, and is used to implement interworking between the base stations.
  • the Uu interface is a radio interface between the UE and the eNB, and the UE is connected to the eNB through the Uu interface to access the LTE network.
  • the terminal device in the system 100 is a UE and the network device is an eNB
  • the system 100 may be included in the system 200, but the embodiment of the present application does not limit this.
  • D-TDD dynamic time division duplex
  • TDD time division duplex
  • D-TDD there are co-frequency cross-interference between adjacent cells, including the interference of the downlink transmission of the neighboring cell with the same-frequency base station to the uplink reception of the local cell base station, and the interference of the uplink transmission of the neighboring cell UE to the downlink reception of the UE of the local cell.
  • MRS measurement reference signals
  • Interference/channel measurement between base stations has little impact on the access link and can usually be designed as a privatization method without standardization.
  • the method in the embodiment of the present application can configure a reference signal to perform interference/channel measurement between UEs.
  • FIG. 3 is a schematic flowchart of a signal transmission method 300 provided by an embodiment of the present application.
  • the method 300 can be applied to the system architecture 100 shown in FIG. 1 and can also be applied to the system architecture 200 shown in FIG. 2, but the embodiment of the present application is not limited thereto.
  • the network device carries the configuration information on the physical channel, where the configuration information is used to indicate that the terminal device sends the reference signal, and the resource used for transmitting the reference signal is determined according to the cell public identifier of the cell to which the terminal device belongs;
  • the network device sends the configuration information to the terminal device by using the physical channel.
  • the terminal device receives the configuration information, and sends the reference signal by using the resource according to the configuration information.
  • the network device may carry the configuration information generated by the upper layer on the physical channel, and then send the configuration information to the terminal device by using the physical channel.
  • the configuration information is used to indicate that the terminal device sends a reference signal, and the resource used for transmitting the reference signal is determined by the terminal device according to a cell public identifier of a cell to which the terminal device belongs.
  • the terminal device After receiving the configuration information sent by the network device, the terminal device determines a resource for transmitting the reference signal according to the configuration information, and sends the reference signal by using the resource.
  • the foregoing terminal device sends a reference signal, that is, the terminal device sends a reference signal to other terminal devices of the neighboring cell, where the reference signal is used for performing interference/channel measurement between the terminal devices.
  • the configuration information is sent to the terminal device by using the network device, and after receiving the configuration information, the terminal device sends a reference signal according to the cell public identifier of the cell to which the terminal device belongs, and can use the existing
  • the reference signal performs interference/channel measurement between the terminal devices, and the terminal device on the receiving side distinguishes the interfering cell while improving the utilization of the reference signal.
  • the resource used for transmitting the reference signal includes at least one of: a symbol used to transmit the reference signal, a subcarrier used to transmit the reference signal, and A cyclic shift of the reference signal and an orthogonal mask of the reference signal.
  • the resource used for transmitting the reference signal may include at least one of a time domain resource, a frequency domain resource, a code domain resource, and an airspace resource, where the four resources are specifically used to transmit the reference signal, A subcarrier used for transmitting the reference signal, a cyclic shift of the reference signal, and an orthogonal mask of the reference signal.
  • the resources used for transmitting the reference signal may include other resources in addition to the above four resources, which is not limited by the embodiment of the present application.
  • the symbol used for transmitting the reference signal and the time-frequency resource corresponding to the sub-carrier used for transmitting the reference signal may be specifically a resource element (RE) used for transmitting the reference signal.
  • RE resource element
  • the reference signal is a first type of reference signal and/or a second type of reference signal, where the first type of reference signal is a sounding reference signal SRS or a first demodulation reference signal DMRS,
  • the second type of reference signal is a channel state information reference signal CSI-RS or a second demodulation reference signal DMRS.
  • the reference signal sent by the terminal device may be a first type of reference signal (ie, an uplink reference signal), or may be a second type of reference signal (ie, a downlink reference signal), where resource particles corresponding to the reference signal are used for the physical layer. Transmitted and does not carry information from higher layers.
  • the uplink reference signal includes: a demodulation reference signal for demodulating the uplink control/data channel (demodulation reference) Signal, DMRS), sounding reference signal (SRS) for uplink channel measurement; downlink reference signal includes: cell-specific reference signals for downlink control/data demodulation/downlink channel measurement , CRS), a demodulation reference signal DMRS for demodulating a downlink control/data channel, and a channel state information reference signal (CSI-RS) for downlink channel measurement.
  • DMRS demodulation reference signal
  • SRS sounding reference signal
  • the configuration information is further used to indicate whether the reference signal of the terminal device is used for interference/channel measurement between the terminal devices, and the configuration information indicates the reference signal of the terminal device.
  • the first configuration information is further used to indicate that the terminal device is a sender or a receiver.
  • the terminal device receives the neighboring cell.
  • the reference signal sent by the other terminal device performs interference/channel measurement between the terminal devices according to the reference signal, and feeds back the measured channel state information to the associated network device.
  • the terminal device sends an uplink reference signal or receives a downlink reference signal according to the configuration information.
  • the reference signals configured in case (1) and case (2) are used for interference/channel measurement between terminal devices.
  • the reference signal transmitted or received by the terminal device may be existing.
  • the uplink reference signal in the standard may also be the downlink reference signal in the existing standard, which is not limited in this embodiment of the present application.
  • the reference signal configured by the network device is used for uplink and downlink measurement. If the terminal device is the sender, the reference signal sent by the terminal device must be the uplink reference signal in the existing standard, if the terminal The device is the receiver, and the reference signal received by the terminal device is necessarily the downlink reference signal in the existing standard.
  • the foregoing configuration information may be carried in high layer signaling or physical layer signaling.
  • the embodiments of the present application are described in detail below by taking a base station and a UE as an example.
  • the base station may perform inter-UE measurement using the CSI-RS.
  • a base station/transmitter-receiving point configures a CSI-RS of a UE by using a high-level signaling CSI-RS-Config-r10, which is UE-level.
  • the network device may add two fields in the existing high-layer signaling CSI-RS-Config-r10, for example, an interUEMeas field and a Tx-Rx-Diff field, where interUEMeas is used to indicate whether to enable
  • the CSI-RS performs inter-UE measurement
  • the enabling method includes that the terminal device can be distinguished by the presence or absence of the field interUEMeas, or the terminal device can be distinguished by the value of the field interUEMeas; Tx-Rx-Diff is used to indicate The UE configured when the inter-UE measurement is enabled is the sender or the receiver. When the value of Tx-Rx-Diff is 0, the configured UE is the sender. When the value is 1, the configured UE is the receiver.
  • the foregoing enabling method may be distinguished by the presence or absence of the field interUEMeas.
  • the attributes of the interUEMeas field and the Tx-Rx-Diff field are optional (OPTIONAL), that is, the network device is at a high level.
  • OPTIONAL optional
  • These two fields can be configured in the signaling CSI-RS-Config-r10 or not, as shown below:
  • the UE detects that the interUEMeas field exists in the high-layer signaling CSI-RS-Config-r10, the configured CSI-RS is used for inter-UE measurement, and according to the value of Tx-Rx-Diff, it is determined to send CSI-
  • the RS still receives the CSI-RS, that is, determines whether the UE is a sender or a receiver; if the UE is a sender, the UE follows the configuration information in the CSI-RS-Config-r10, or according to a predefined configuration method.
  • the UE if the UE is a receiver, the UE receives the CSI-RS according to the configuration information in the CSI-RS-Config-r10 or according to a predefined configuration method, and performs measurement, and The channel state information is fed back and the time-frequency resource location occupied by the CSI-RS and/or the orthogonal sequence used.
  • the UE if the UE does not detect the interUEMeas field in the high layer signaling CSI-RS-Config-r10, the UE considers the configured CSI-RS signal for downlink measurement, and for the CSI-RS, the UE receives The UE may receive the CSI-RS according to the configuration information in the CSI-RS-Config-r10, perform measurement, and feed back channel state information.
  • the foregoing enabling method may be distinguished by the value of the field interUEMeas.
  • the field interUEMeas may not be default, but the attribute of the field Tx-Rx-Diff may still be OPTIONAL. ,As follows:
  • the UE detects that the interUEMeas field in the high-level signaling CSI-RS-Config-r10 is 1, the configured CSI-RS signal is used for inter-UE measurement, and is determined according to the value of Tx-Rx-Diff. Or receiving the CSI-RS, that is, determining whether the UE is a sender or a receiver; if the UE is a sender, the UE follows the configuration information in the CSI-RS-Config-r10, or according to a predefined configuration method.
  • CSI-RS Configuring and transmitting a CSI-RS; if the UE is a receiver, the UE receives the CSI-RS according to the configuration information in the CSI-RS-Config-r10 or according to a predefined configuration method, performs measurement, and provides feedback.
  • the UE if the UE detects that the interUEMeas field in the higher layer signaling CSI-RS-Config-r10 takes a value of 0, the UE considers the configured CSI-RS signal to be used for downlink measurement, and for the CSI-RS,
  • the UE is a receiver, and the UE may receive the CSI-RS according to the configuration information in the CSI-RS-Config-r10, perform measurement, and feed back channel state information.
  • the UE may directly view the configured CSI-RS for downlink measurement, in this manner. In this case, the UE may not care about the presence or absence of the field Tx-Rx-Diff.
  • the network device may implement the foregoing enabling method by using other fields, which is not limited in this embodiment of the present application.
  • the value of the field interUEMeas and the field Tx-Rx-Diff may also be two bits or more, which is not limited in this embodiment of the present application.
  • the base station can perform inter-UE measurement using the uplink DMRS.
  • the base station/transmitter-receiving point configures the uplink DMRS of the UE by using downlink control information (DCI), and the configuration is UE-level. For example, in DCI format 0
  • the configuration of the DMRS is bound to the data channel, that is, the network side configures the uplink DMRS only if the UE needs to send uplink data. Therefore, the embodiment of the present application configures the uplink DMRS to perform inter-UE measurement by using the newly designed UE-specific DCI.
  • the above enabling method can be distinguished by the presence or absence of the field carrier indicator.
  • the carrier indicator field and the Flag for Tx/Rx differentiation field may be added in the DCI, and the attributes of the carrier indicator field are optional (OPTIONAL), which may be 0 bit or 3 bits, and Flag for Tx/Rx differentiation A field of 0 indicates that the uplink DMRS is sent, and a Flag for Tx/Rx differentiation field of 1 indicates that the uplink DMRS is received. Therefore, the newly designed DCI format is as follows:
  • the UE receives the DCI sent by the base station and detects the carrier indicator field in the DCI, the configured uplink DMRS is used for inter-UE measurement, and determines whether to send the DMRS or receive the DMRS according to the value of the Flag for Tx/Rx differentiation. If the UE is the sender, the UE configures and sends the uplink DMRS according to the configuration information in the DCI or according to a predefined configuration method; In the case of the receiver, the UE receives the uplink DMRS according to the configuration information in the DCI or according to a predefined configuration method, performs measurement, and feeds back the channel state information and the time-frequency resource location and/or usage occupied by the uplink DMRS. Orthogonal sequences, etc.
  • the UE if the UE does not detect the carrier indicator field in the DCI, the UE considers the configured uplink DMRS for uplink measurement, and for the uplink DMRS, the UE is the sender, and the UE can follow the CSI-RS-Config-r10 The configuration information in the middle sends the uplink DMRS.
  • the UE may directly view the configured uplink DMRS for uplink measurement. In this case, the UE may not care about the field Flag for The presence or absence of Tx/Rx differentiation.
  • the network device may implement the foregoing enabling method by using other fields, which is not limited by the embodiment of the present application.
  • the value of the field carrier indicator and the field Flag for Tx/Rx differentiation may also be two bits or more, which is not limited in this embodiment of the present application.
  • the cyclic prefix CP of the reference signal is a regular CP.
  • a conventional CP refers to a CP whose length is about 6.67% with respect to a symbol length.
  • the following is a detailed analysis of the reason for using the conventional CP. It can be assumed that the above reference signal for performing inter-UE measurement is located between the downlink control channel and the data channel in the time domain.
  • the receiving UE after receiving the downlink control channel, the receiving UE needs to reserve a guard interval TDD. Because there are multiple cells in the network, the receiving UE not only receives the downlink control information sent by the base station/TRP from the local cell, but also receives the downlink control information sent by the base station/TRP from other cells in the network. However, since the distance between the base station/TRP and the receiving UE of each cell is different, the downlink control information of the base station/TRP from each cell arrives at the receiving UE with different transmission delays.
  • the receiving UE receives the reference signal immediately after completing the receiving of the base station/TRP downlink control information of the local cell, the reference signal may be interfered by the downlink control information sent by the base station/TRP of the other cell. Therefore, the foregoing guard interval TDD is used to ensure that the receiving UE does not interfere with downlink control information sent by other base stations/TRPs in the network when receiving the reference signal, and the size of the guard interval TDD depends on the farthest in the network. The distance from the base station/TRP to the receiving UE. After the transmitting UE completes the transmission of the downlink control channel, it also needs to reserve a guard interval TDU.
  • the size of the guard interval TDU depends on the one hand on the warm-up settling time of the transmitting UE power amplifier and on the other hand on the transmission delay dt of the reference signal from the transmitting UE to the receiving UE.
  • the values of TDD and TDU depend on the distance from the farthest base station/TRP in the network to the receiving UE, the warm-up stabilization time of the UE power amplifier, and the transmission of the above reference signal from the transmitting UE to the receiving UE. Delay dt.
  • the cyclic delay (CP) can be used to combat the transmission delay. This is because the CP is filled in the guard interval of the orthogonal frequency division multiplexing (OFDM) symbol to ensure that the delay replica of the OFDM symbol is within the fast fourier transform (FFT) period.
  • the number of waveform cycles included is also an integer.
  • the existing LTE protocol specifies three CP lengths corresponding to 15KHz subcarrier spacing, namely, a conventional CP of 4.687us, an extended CP of 16.67us, and an ultra-long CP of 33.33us.
  • the regular CP length is 1.172us, and the maximum transmission delay of about 350m is guaranteed to fall within the CP range.
  • the regular CP length is 0.586us.
  • the transmission delay of about 180m can be guaranteed to fall within the CP range.
  • the interference strength between adjacent UEs of 180m or 350m is negligible. Therefore, in order to save measurement overhead and ensure more reserved guard intervals, the CP of the reference signal uses a regular CP in advance.
  • the configuration information is carried by dynamic signaling or high layer signaling.
  • the dynamic signaling may be a physical downlink control channel (PDCCH), and the high-level signaling may be a system information (SIB) or a radio resource control (radio resource control).
  • SIB system information
  • radio resource control radio resource control
  • the terminal device sends the reference signal by using the resource according to the configuration information, including:
  • the terminal device After receiving the configuration information, the terminal device determines the resource according to a cell public identifier of a cell to which the terminal device belongs;
  • the terminal device transmits the reference signal by using the resource.
  • the terminal device receives configuration information sent by the network device, and determines, according to the configuration information, that the reference signal is used for interference/channel measurement between the terminal devices, and the terminal device is a sender, where the terminal device is The resource used for transmitting the reference signal may be determined according to the public identifier of the cell, and the reference signal is sent by using the resource.
  • the cell public identifier of the cell to which the terminal device belongs may be a physical cell identity (PCI) of the cell to which the terminal device belongs, and may also be other configuration-based identifiers, which is not limited in this embodiment of the present application.
  • PCI physical cell identity
  • the terminal device determines the cell public identifier of the cell to which the terminal device belongs, and may be specifically classified into two cases: if the cell public identifier is PCI, the PCI may be determined by the terminal device according to the synchronization signal when the cell is synchronized;
  • the cell public identifier is another configuration-based identifier, and the identifier may be that the network device is configured for the terminal device by using broadcast or high-layer signaling. It should be understood that the determination of the public identity of the cell may also depend on the result of the negotiation between the network devices, and the result may be sent to the terminal device of each cell through physical layer signaling or higher layer signaling.
  • the two cells may use the same cell public identity, but the application is implemented.
  • the reference signal QCL indicates that the reference signal has large-scale fading characteristics such as similar Doppler shift, Doppler spread, average delay, and/or time domain spread.
  • the determining, by the terminal device, the resource according to a cell public identifier of a cell to which the terminal device belongs includes:
  • the terminal device calculates a resource index of the resource according to a predefined criterion according to a cell public identifier of the cell to which the terminal device belongs;
  • the terminal device determines the resource according to a resource index of the resource.
  • the terminal device may calculate, according to a predefined criterion, a resource index of a resource used for sending the reference signal according to a cell public identifier of the cell to which the terminal device belongs, and determine the resource according to the resource index.
  • the resource index is a unique identifier for determining a resource, and the resource is generally numbered.
  • the number corresponding to each resource is an index of the resource, and the network device and/or the terminal device may determine the resource index according to the resource index.
  • Corresponding resources, wherein the correspondence between the resource index and the resource may be pre-defined by the protocol.
  • the horizontal axis is the time domain and the vertical axis is the frequency domain, and the subcarrier spacing used by the reference signal is assumed to be controlled.
  • / Data channel uses 2 times the subcarrier spacing.
  • the reference signal of each terminal device in the cell is inserted into the second or sixth OFDM symbol of each slot (ie, symbol 1 or symbol 5 in FIG. 5), within the same OFDM symbol.
  • Two adjacent reference signals are spaced apart by three subcarriers in the frequency domain.
  • the terminal device can determine the resource used to transmit the reference signal by one or more of the following methods.
  • a frequency index ie, a subcarrier index of the reference signal, that is, a frequency domain start position of the reference signal in each time slot, and the value is PCImod3;
  • the frequency index is related to the cell-specific frequency offset, as shown in Figure 5, with a frequency offset of three.
  • the orthogonal mask index of the reference signal is PCImod2.
  • different cells can be allocated different time domain, frequency domain or code domain resources by assigning different PCIs to different cells.
  • the resource used by the reference signal includes both the time domain resource, the frequency domain resource, and the code domain resource
  • the resource conflict between the reference signals from at most 12 neighboring cells can be avoided by using the above three methods simultaneously, that is, The receiving terminal device can distinguish the reference signals from at most 12 neighboring cells.
  • the configuration of the reference signal under the discrete Fourier transform spread spectrum OFDM (DFT-S-OFDM) modulation based on the discrete Fourier transform is taken as an example.
  • DFT-S-OFDM discrete Fourier transform spread spectrum OFDM
  • FIGS. 6 to 8 it is assumed that the subcarrier spacing used by the reference signal is twice the subcarrier spacing used by the control/data channel.
  • the horizontal axis is the time domain and the vertical axis is the frequency domain.
  • the reference signals of the terminal devices in the cell are inserted into the 2-3th or 5-6th of each slot.
  • the DFT-S-OFDM symbol ie, symbol 1-2 or symbol 4-5 in Fig. 6).
  • the above reference signal may be a sequence of length 6, mapped over the entire DFT-S-OFDM symbol, and repeated on three consecutive/non-contiguous symbols.
  • the comb signal may also be determined for the reference signal sent by the terminal device.
  • one reference signal may be sent every other subcarrier, so that the subcarriers of the dotted line portion are not used.
  • the terminal device transmits the reference signal, but can be used for the other terminal device to transmit the reference signal, so that the receiving side can distinguish the different terminal devices, but the embodiment of the present application does not limit this.
  • the embodiment of the present application may convert the orthogonality of the frequency domain of the reference signal transmitted based on the OFDM modulation mode into the orthogonality of the time domain of the reference signal transmitted by the DFT-S-OFDM modulation mode.
  • the terminal device may determine, by one or more of the following methods, resources used for transmitting the reference signal.
  • the configuration method includes one or more of the following:
  • different cells can be allocated different time domain, frequency domain or code domain resources by assigning different PCIs to different cells.
  • the resources used by the reference signal include both time domain resources, frequency domain resources, and code domain resources.
  • the uplink reference signal sent by the terminal device is specific to the terminal device, that is, one of the time-frequency resource, the reference signal sequence, the reference signal orthogonal mask, and the reference signal cyclic shift used by the reference signal.
  • One or more are calculated by the terminal device identification.
  • the interference level between the terminal devices of the neighboring cells changes with the change of the slot of the slot, and the change of the interference level also comes from the change of the distance between the neighboring cell terminal devices caused by the mobility of the terminal device.
  • the number of terminal devices in the neighboring cell is large and the change is fast, so even if the terminal device of the cell blindly checks all possible terminal device identifiers, Extremely high detection complexity.
  • the reported measurement amount should be the average interference level of the neighboring cell terminal device on the corresponding time-frequency resource.
  • a cell-level orthogonal reference signal may be used, that is, all terminal devices in a given cell send the same measurement reference signal on the same time-frequency resource, and time-frequency resources used by terminal devices in different cells and/or Or measure the reference signal orthogonal/quasi-orthogonal.
  • the terminal device on the transmitting side determines the resources used by the reference signal by using the cell public identifier, and makes the reference signals between the cells orthogonal, so that the terminal device on the receiving side can distinguish by simple operation.
  • the measurement signals that use the same time-frequency resources but from different cells improve the measurement efficiency.
  • the resource used for transmitting the reference signal is determined by the terminal device from at least one candidate resource according to a cell public identifier of a cell to which the terminal device belongs and a first mapping relationship, where The first mapping relationship is used to indicate a correspondence between at least one cell public identifier and the at least one candidate resource, where the at least one cell public identifier includes a cell public identifier of a cell to which the terminal device belongs.
  • the resources used to transmit the reference signal may be independently determined, or may be protocol pre-defined.
  • a number of feasible resource combinations such as subcarriers, symbols and OCCs, subcarriers, symbols, etc., may be predefined in the protocol, and a number is predefined for each combination.
  • the terminal device sends the reference signal by using the resource according to the configuration information, including:
  • the terminal device sends the reference signal to at least one other terminal device by using the resource according to the configuration information.
  • FIG. 9 shows a signal transmission device 700 provided by an embodiment of the present application.
  • the device 700 includes:
  • a receiving unit configured to receive configuration information sent by the network device, where the configuration information is used to indicate that the device sends a reference signal, and the resource used to transmit the reference signal is determined according to a cell public identifier of a cell to which the device belongs;
  • a sending unit configured to send the reference signal by using the resource according to the configuration information.
  • the signal transmission device of the embodiment of the present invention transmits configuration information to the terminal device through the network device, and after receiving the configuration information, the terminal device sends a reference signal according to the cell public identifier of the cell to which the terminal device belongs, and can use the existing reference.
  • the signal performs interference/channel measurement between the terminal devices, and the terminal device on the receiving side distinguishes the interfering cells while improving the utilization of the reference signal.
  • the resource used for transmitting the reference signal includes at least one of: a symbol used to transmit the reference signal, a subcarrier used to transmit the reference signal, and a cycle of the reference signal Shift and orthogonal mask of the reference signal.
  • the reference signal is a first type of reference signal and/or a second type of reference signal, where the first type of reference signal is a sounding reference signal SRS or a first demodulation reference signal DMRS, and the second The class reference signal is a channel state information reference signal CSI-RS or a second demodulation reference signal DMRS.
  • the cyclic prefix CP of the reference signal is a regular CP.
  • the configuration information is carried by dynamic signaling or high layer signaling.
  • the device further includes: a determining unit, configured to determine, according to a cell public identifier of a cell to which the device belongs, after the receiving the configuration information, where the sending unit is specifically used to: The resource transmits the reference signal.
  • a determining unit configured to determine, according to a cell public identifier of a cell to which the device belongs, after the receiving the configuration information, where the sending unit is specifically used to: The resource transmits the reference signal.
  • the determining unit is specifically configured to: calculate, according to a predetermined criterion, a resource index of the resource according to a cell public identifier of the cell to which the device belongs; and determine the resource according to the resource index of the resource.
  • the resource used for transmitting the reference signal is determined according to a cell common identifier of the cell to which the terminal device belongs and a first mapping relationship, where the first mapping relationship is used to indicate a correspondence between the at least one cell public identifier and the at least one candidate resource, where the at least one cell public identifier includes a cell public identifier of a cell to which the device belongs.
  • the sending unit is specifically configured to: send the reference signal to the at least one other terminal device by using the resource according to the configuration information.
  • the apparatus 700 herein is embodied in the form of a functional unit.
  • the term "unit” as used herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group) for executing one or more software or firmware programs. Processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.
  • ASIC application specific integrated circuit
  • processor eg, a shared processor, a proprietary processor, or a group
  • memory merge logic, and/or other suitable components that support the described functionality.
  • the device 700 may be specifically the terminal device in the foregoing embodiment, and the device 700 may be used to perform various processes and/or steps corresponding to the terminal device in the foregoing method embodiment. To avoid repetition, we will not repeat them here.
  • FIG. 10 shows a signal transmission apparatus 800 provided by an embodiment of the present application.
  • the apparatus 800 includes:
  • a bearer unit configured to carry configuration information on a physical channel, where the configuration information is used to indicate that the terminal device sends a reference signal, and the resource used for transmitting the reference signal is determined according to a cell public identifier of a cell to which the terminal device belongs ;
  • a sending unit configured to send the configuration information to the terminal device by using the physical channel.
  • the signal transmission device of the embodiment of the present invention transmits configuration information to the terminal device through the network device, and after receiving the configuration information, the terminal device sends a reference signal according to the cell public identifier of the cell to which the terminal device belongs, and can use the existing reference.
  • the signal performs interference/channel measurement between the terminal devices, and the terminal device on the receiving side distinguishes the interfering cells while improving the utilization of the reference signal.
  • the resource used for transmitting the reference signal includes at least one of: a symbol used to transmit the reference signal, a subcarrier used to transmit the reference signal, and a cycle of the reference signal Shift and orthogonal mask of the reference signal.
  • the reference signal is a first type of reference signal and/or a second type of reference signal, where the first type of reference signal is a sounding reference signal SRS or a first demodulation reference signal DMRS, and the second The class reference signal is a channel state information reference signal CSI-RS or a second demodulation reference signal DMRS.
  • the cyclic prefix CP of the reference signal is a regular CP.
  • the configuration information is carried by dynamic signaling or high layer signaling.
  • the physical channel includes a physical downlink control channel PDCCH and/or a physical downlink shared channel PDSCH.
  • the apparatus 800 herein is embodied in the form of a functional unit.
  • the term "unit” as used herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group) for executing one or more software or firmware programs. Processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.
  • ASIC application specific integrated circuit
  • processor eg, a shared processor, a proprietary processor, or a group
  • memory merge logic, and/or other suitable components that support the described functionality.
  • the device 800 may be specifically the network device in the foregoing embodiment, and the device 800 may be used to perform various processes and/or steps corresponding to the network device in the foregoing method embodiments. To avoid repetition, we will not repeat them here.
  • FIG. 11 shows another signal transmission device 900 provided by an embodiment of the present application.
  • the apparatus 900 includes a processor 910, a transceiver 920, and a memory 930.
  • the processor 910, the transceiver 920, and the memory 930 communicate with each other through an internal connection path.
  • the memory 930 is configured to store instructions, and the processor 910 is configured to execute instructions stored in the memory 930 to control the transceiver 920 to send signals and / or receive signals.
  • the transceiver 920 is configured to receive configuration information sent by the network device, where the configuration information is used to instruct the device to send a reference signal, and the resource used to transmit the reference signal is based on a cell public identifier of a cell to which the device belongs. Determining; using the resource to transmit the reference signal according to the configuration information.
  • the device 900 may be specifically the terminal device in the foregoing embodiment, and may be used to perform various steps and/or processes corresponding to the terminal device in the foregoing method embodiments.
  • the memory 930 can include read only memory and random access memory and provide instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.
  • the memory can also store information of the device type.
  • the processor 910 can be configured to execute instructions stored in a memory, and when the processor 910 executes instructions stored in the memory, the processor 910 is configured to perform the various steps of the method embodiment corresponding to the terminal device and/or Or process.
  • FIG. 12 shows another signal transmission device 1000 provided by an embodiment of the present application.
  • the apparatus 1000 includes a processor 1010, a transceiver 1020, and a memory 1030.
  • the processor 1010, the transceiver 1020, and the memory 1030 communicate with each other through an internal connection path.
  • the memory 1030 is configured to store instructions, and the processor 1010 is configured to execute instructions stored by the memory 1030 to control the transceiver 1020 to send signals and / or receive signals.
  • the processor 1010 is configured to carry the configuration information on the physical channel, where the configuration information is used to indicate that the terminal device sends the reference signal, and the resource used for transmitting the reference signal is based on the cell common to the cell to which the terminal device belongs.
  • the identifier is determined; the transceiver 1020 is configured to send the configuration information to the terminal device by using the physical channel.
  • the device 1000 may be specifically the network device in the foregoing embodiment, and may be used to perform various steps and/or processes corresponding to the network device in the foregoing method embodiments.
  • the memory 1030 can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.
  • the memory can also store information of the device type.
  • the processor 1010 can be configured to execute instructions stored in a memory, and when the processor 1010 executes instructions stored in the memory, the processor 1010 is configured to perform the various steps of the method embodiments corresponding to the network device described above and/or Or process.
  • the processor of the foregoing apparatus may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and application specific integrated circuits. (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software units in the processor.
  • the software unit can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in a memory, and the processor executes instructions in the memory, in combination with hardware to perform the steps of the above method. To avoid repetition, it will not be described in detail here.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present application.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present application may be in essence or part of the contribution to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program code. .

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请实施例提供了一种信号传输方法和装置，该方法包括：终端设备接收网络设备发送的配置信息，所述配置信息用于指示所述终端设备发送参考信号，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识确定的；所述终端设备根据所述配置信息，使用所述资源发送所述参考信号。本申请实施例的信号传输方法和装置，能够利用现有的参考信号进行终端设备之间的干扰/信道测量，在提高参考信号的利用率的同时，使得接收侧的终端设备对干扰小区进行区分。

Description

信号传输方法和装置
本申请要求于2017年01月05日提交中国专利局、申请号为201710008292.7、申请名称为“信号传输方法和装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信领域，并且更具体地，涉及一种信号传输方法和装置。
背景技术
随着无线网络技术的发展，层出不穷的业务对无线资源的需求日益增加。为了适应小覆盖网络上下行业务特性的快速变化，动态时分双工(dynamic time division duplex，D-TDD)技术已成为下一代移动通信的关键技术之一。所谓D-TDD，就是指根据网络内上下行业务负载情况，灵活快速地切换时分双工(time division duplex，TDD)子帧或时隙上下行，从而匹配网络中具体业务需求，提高网络上下行业务的吞吐量。第三代合作伙伴计划(3rd generation partnership project，3GPP)在Rel-12阶段已经初步完成了对eIMTA(enhanced interference management and traffic adaptation)的标准化工作。3GPP目前已展开第5代网络(5th generation，5G)新空口(new radio，NR)标准的制定，D-TDD是NR的重要特性之一。
但是，在D-TDD下，存在相邻小区之间的同频交叉干扰，包括邻小区同频基站下行发射对本小区基站上行接收的干扰，以及邻小区用户设备(user equipment，UE)上行发射对本小区UE下行接收的干扰。为了更好地获得D-TDD技术灵活高效的性能优势，有效地提升D-TDD的性能增益，往往需要在基站间或用户设备间发送或接收一系列感知信号(sensing signal)。基站间进行干扰/信道测量对于接入链路的影响较小，通常可以设计成私有化方法，不需要进行标准化。如何配置参考信号进行UE间的干扰/信道测量，已成为本领域一个亟待解决的问题。
发明内容
本申请实施例提供一种信号传输方法和装置，能够利用现有的参考信号进行终端设备之间的干扰/信道测量，在提高参考信号的利用率的同时，使得接收侧的终端设备对干扰小区进行区分。
第一方面，提供了一种信号传输方法，包括：终端设备接收网络设备发送的配置信息，所述配置信息用于指示所述终端设备发送参考信号，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识确定的；所述终端设备根据所述配置信息，使用所述资源发送所述参考信号。
具体地，网络设备可以将高层产生的配置信息承载在物理信道上，再通过该物理信道 向终端设备发送该配置信息。该配置信息用于指示该终端设备发送参考信号，而传输该参考信号所使用的资源是该终端设备根据该终端设备所属小区的小区公共标识确定的。该终端设备接收到该网络设备发送的该配置信息之后，根据该配置信息确定发送参考信号的资源，并使用该资源发送该参考信号。
应理解，上述终端设备发送参考信号是指该终端设备向邻小区的其他终端设备发送参考信号，该参考信号用于进行终端设备之间的干扰/信道测量。
本申请实施例的信号传输方法，通过网络设备向终端设备发送配置信息，该终端设备在接收到该配置信息之后，根据该终端设备所属小区的小区公共标识发送参考信号，能够利用现有的参考信号进行终端设备之间的干扰/信道测量，在提高参考信号的利用率的同时，使得接收侧的终端设备对干扰小区进行区分。
在第一方面的第一种可能的实现方式中，传输所述参考信号所使用的资源包括下列各项中的至少一种：传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。
具体地，传输该参考信号所使用的资源可以包括时域资源、频域资源、码域资源以及空域资源中的至少一种，上述四种资源具体即为传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。应理解，传输所述参考信号所使用的资源除了上述四种资源外还可以包括其他资源，本申请实施例对此不作限定。
应理解，传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波对应时频资源，具体可以为传输所述参考信号所使用的资源元素(resource element，RE)。
结合第一方面的上述可能的实现方式，在第一方面的第二种可能的实现方式中，所述参考信号为第一类参考信号和/或第二类参考信号，其中，所述第一类参考信号为探测参考信号SRS或第一解调参考信号DMRS，所述第二类参考信号为信道状态信息参考信号CSI-RS或第二解调参考信号DMRS。
具体地，该参考信号对应的资源粒子用于物理层传输，且不承载来自高层的信息。应理解，用于网络设备和终端设备之间上下行传输的参考信号有很多，在现有LTE标准中，上行参考信号包括：探测参考信号(sounding reference signal，SRS)和第一解调参考信号(demodulation reference signal，DMRS)，其中，SRS可用于上行信道测量，第一DMRS可用于上行控制/数据解调；下行参考信号包括：小区特定参考信号(cell-specific reference signals，CRS)、信道状态信息参考信号(channel state information reference signal，CSI-RS)以及第二解调参考信号DMRS，其中，CRS可用于下行控制/数据解调/下行信道测量的，CSI-RS可用于下行信道测量，第二DMRS可用于下行控制/数据解调。
结合第一方面的上述可能的实现方式，在第一方面的第三种可能的实现方式中，所述参考信号的循环前缀CP为常规CP。
应理解，以LTE为例，常规CP是指CP的长度相对于符号长度约为6.67％的CP。对于不同参考信号子载波间隔，常规CP的长度是不同的。例如，参考信号的子载波间隔为15KHz时，常规CP的长度为4.687us，参考信号的子载波间隔为60KHz时，常规CP长度为1.172us，参考信号的子载波间隔为120KHz时，常规CP长度为0.586us。
在本申请实施例中，采用常规CP能够节省测量开销并保证更多的预留保护间隔，从 而提高传输效率。
结合第一方面的上述可能的实现方式，在第一方面的第四种可能的实现方式中，所述配置信息由动态信令或高层信令承载。
应理解，上述动态信令可以为物理下行控制信道(physical downlink control channel，PDCCH)承载，上述高层信令可以为系统消息(master information block，SIB)，也可以为无线资源控制(radio resource control，RRC)信令，本申请实施例对此不作限定。
结合第一方面的上述可能的实现方式，在第一方面的第五种可能的实现方式中，所述终端设备根据所述配置信息，使用所述资源发送所述参考信号，包括：所述终端设备在接收到所述配置信息之后，根据所述终端设备所属小区的小区公共标识，确定所述资源；所述终端设备使用所述资源发送所述参考信号。
具体地，该终端设备接收到该网络设备发送的配置信息，并根据该配置信息确定参考信号用于终端设备之间的干扰/信道测量，且该终端设备为发送方的情况下，该终端设备可以根据该小区公共标识确定发送参考信号所使用的资源，并采用该资源发送该参考信号。
可选地，该终端设备所属小区的小区公共标识可以为该终端设备所属小区的物理小区标识(physical cell identity，PCI)，还可以为其他基于配置的标识，本申请实施例对此不作限定。
可选地，该终端设备确定该终端设备所属小区的小区公共标识，具体可以分为两种情况：若该小区公共标识为PCI，那么该PCI可以是在小区同步时该终端设备根据同步信号确定的；若该小区公共标识为其他基于配置的标识，那么该标识可以是该网络设备通过广播或高层信令为该终端设备配置的。
应理解，该小区公共标识的确定还可以取决于网络设备之间进行协商的结果，并且该结果会通过物理层信令或高层信令下发给各小区的终端设备。
还应理解，当两个小区地理位置相近且来自这两个小区的参考信号准同定位(quasi-co-located，QCL)时，这两个小区可以使用相同的小区公共标识，但本申请实施例对此不作限定。这里，参考信号QCL表示该参考信号具有相近的多普勒偏移、多普勒扩展、平均时延和/或时域扩展等大尺度衰落特性。
结合第一方面的上述可能的实现方式，在第一方面的第六种可能的实现方式中，所述终端设备根据所述终端设备所属小区的小区公共标识，确定所述资源，包括：所述终端设备根据所述终端设备所属小区的小区公共标识，按照预定义准则计算所述资源的资源索引；所述终端设备根据所述资源的资源索引，确定所述资源。
应理解，资源索引是用于确定资源的唯一标识，一般会对资源进行编号，每个资源对应的编号即为该资源的索引，网络设备和/或终端设备可以根据资源索引确定与该资源索引对应的资源，其中，资源索引与资源的对应关系可以是协议预先规定的。
结合第一方面的上述可能的实现方式，在第一方面的第七种可能的实现方式中，所述资源是所述终端设备根据所述终端设备所属小区的小区公共标识以及第一映射关系从至少一个候选资源中确定的，其中，所述第一映射关系用于表示至少一个小区公共标识与所述至少一个候选资源之间的对应关系，所述至少一个小区公共标识包括所述终端设备所属小区的小区公共标识。
具体地，传输参考信号所使用的资源可以是独立确定的，还可以是协议预定义的。在本申请实施例中，可以在协议中预定义若干可行的资源组合，例如，子载波、符号和OCC、子载波和符号等等，并为各组合预定义编号。
可选地，终端设备可以采用小区级的正交参考信号，即给定小区内所有终端设备在相同的时频资源上发送相同的测量参考信号，不同小区间终端设备使用的时频资源和/或测量参考信号正交/准正交。发送侧的终端设备采用小区公共标识确定参考信号使用的资源，且使小区间的参考信号正交，这样，接收侧的终端设备可以通过简单运算区分出来使用相同时频资源但自不同小区的参考信号，提高了测量效率。
结合第一方面的上述可能的实现方式，在第一方面的第八种可能的实现方式中，所述终端设备根据所述配置信息，使用所述资源发送所述参考信号，包括：所述终端设备根据所述配置信息，使用所述资源向至少一个其他终端设备发送所述参考信号。
结合第一方面的上述可能的实现方式，在第一方面的其他可能的实现方式中，所述配置信息还用于指示所述终端设备的参考信号是否用于终端设备之间的干扰/信道测量干扰/信道测量，并在所述配置信息指示所述终端设备的参考信号用于终端设备之间的干扰/信道测量干扰/信道测量的情况下，所述第一配置信息还用于指示所述终端设备为发送方或接收方。
具体地，上述配置信息的配置结果可以分为如下三种情况：
(1)在所述配置信息用于指示所述终端设备的参考信号用于终端设备之间的干扰/信道测量干扰/信道测量且指示所述终端设备为发送方的情况下，所述终端设备发送所述参考信号。
(2)在所述配置信息用于指示所述终端设备的参考信号用于终端设备之间的干扰/信道测量干扰/信道测量且指示所述终端设备为接收方的情况下，所述终端设备接收邻小区的其他终端设备发送的参考信号，根据该参考信号进行终端设备之间的干扰/信道测量。可选地，该终端设备可以根据配置信息将测得的信道状态信息反馈给所属网络设备。
(3)在所述配置信息用于指示所述终端设备的参考信号并非用于终端设备之间的干扰/信道测量的情况下，即在该配置信息用于指示该终端设备的参考信号用于该终端设备与该网络设备之间的上行或者下行测量的情况下，该终端设备根据该配置信息，发送上行参考信号或者接收下行参考信号。
应理解，情况(1)与情况(2)所配置的参考信号用于终端设备之间的干扰/信道测量，在这两种情况下，该终端设备发送或接收的参考信号既可以为上行参考信号，也可以为下行参考信号，本申请实施例对此不作限定。而对于情况(3)，网络设备所配置的参考信号用于上下行测量，若该终端设备为发送方，该终端设备所发送的参考信号必然为上行参考信号，若该终端设备为接收方，该终端设备所接收的参考信号必然为下行参考信号。
应理解，在本申请实施例中，所配置的上述参考信号为NR系统中的参考信号，由于NR系统中的参考信号与现有LTE系统中的参考信号可能相同，也可能不同，因此，本申请实施例对用于进行终端设备之间干扰测量的参考信号不作任何限定。
第二方面，提供了另一种信号传输方法，包括：网络设备将配置信息承载在物理信道上，所述配置信息用于指示终端设备发送参考信号，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识确定的；所述网络设备通过所述物理信道向所述 终端设备发送所述配置信息。
本申请实施例的信号传输方法，通过网络设备向终端设备发送配置信息，该终端设备在接收到该配置信息之后，根据该终端设备所属小区的小区公共标识发送参考信号，能够利用现有的参考信号进行终端设备之间的干扰/信道测量，在提高参考信号的利用率的同时，使得接收侧的终端设备对干扰小区进行区分。
在第二方面的第一种可能的实现方式中，传输所述参考信号所使用的资源包括下列各项中的至少一种：传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。
结合第二方面的上述可能的实现方式，在第二方面的第二种可能的实现方式中，所述参考信号为第一类参考信号和/或第二类参考信号，其中，所述第一类参考信号为探测参考信号SRS或第一解调参考信号DMRS，所述第二类参考信号为信道状态信息参考信号CSI-RS或第二解调参考信号DMRS。
结合第二方面的上述可能的实现方式，在第二方面的第三种可能的实现方式中，所述参考信号的循环前缀CP为常规CP。
结合第二方面的上述可能的实现方式，在第二方面的第四种可能的实现方式中，所述配置信息由动态信令或高层信令承载。
结合第二方面的上述可能的实现方式，在第二方面的第五种可能的实现方式中，所述物理信道包括物理下行控制信道PDCCH和/或物理下行共享信道PDSCH。
第三方面，提供了一种信号传输装置，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地，该装置包括用于执行上述第一方面或第一方面的任一种可能的实现方式中的方法的单元。
第四方面，提供了一种信号传输装置，用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地，该装置包括用于执行上述第二方面或第二方面的任一种可能的实现方式中的方法的单元。
第五方面，提供了一种信号传输装置，该装置包括：收发器、存储器和处理器。其中，该收发器、该存储器和该处理器通过内部连接通路互相通信，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，以控制接收器接收信号，并控制发送器发送信号，并且当该处理器执行该存储器存储的指令时，该执行使得该处理器执行第一方面或第一方面的任一种可能的实现方式中的方法。
第六方面，提供了一种信号传输装置，该装置包括：收发器、存储器和处理器。其中，该收发器、该存储器和该处理器通过内部连接通路互相通信，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，以控制接收器接收信号，并控制发送器发送信号，并且当该处理器执行该存储器存储的指令时，该执行使得该处理器执行第二方面或第二方面的任一种可能的实现方式中的方法。
第七方面，提供了一种信号传输系统，该系统包括上述第三方面或第三方面的任一种可能实现方式中的装置以及第四方面或第四方面中的任一种可能实现方式中的装置；或者
该系统包括上述第五方面或第五方面的任一种可能实现方式中的装置以及第六方面或第六方面中的任一种可能实现方式中的装置。
第八方面，提供了一种计算机可读介质，用于存储计算机程序，该计算机程序包括用 于执行第一方面或第一方面的任意可能的实现方式中的方法的指令。
第九方面，提供了一种计算机可读介质，用于存储计算机程序，该计算机程序包括用于执行第二方面或第二方面的任意可能的实现方式中的方法的指令。
附图说明
图1是本申请实施例应用的通信系统的示意图。
图2是本申请实施例应用的另一通信系统的示意图。
图3是本申请实施例提供的信号传输方法的示意性流程图。
图4是本申请实施例提供的另一信号传输方法的示意图。
图5是本申请实施例提供的基于OFDM的信号传输示意图。
图6是本申请实施例提供的基于DFT-S-OFDM的信号传输示意图。
图7是本申请实施例提供的基于DFT-S-OFDM的信号传输示意图。
图8是本申请实施例提供的基于DFT-S-OFDM的信号传输示意图。
图9是本申请实施例提供的信号传输装置的示意性框图。
图10是本申请实施例提供的另一信号传输装置的示意性框图。
图11是本申请实施例提供的另一信号传输装置的示意性框图。
图12是本申请实施例提供的另一信号传输装置的示意性框图。
具体实施方式
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。
应理解，本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(global system of mobile communication，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(wideband code division multiple access，WCDMA)系统、通用分组无线业务(general packet radio service，GPRS)、长期演进(long term evolution，LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)、通用移动通信系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信系统、以及未来的5G通信系统等。
图1示出了本申请实施例应用的通信系统100。该通信系统100可以包括至少一个网络设备110。网络设备100可以是与终端设备通信的设备，如基站或基站控制器等。每个网络设备100可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域(小区)内的终端设备(例如UE)进行通信。该网络设备100可以是GSM系统或码分多址(code division multiple access，CDMA)系统中的基站(base transceiver station，BTS)，也可以是WCDMA系统中的基站(nodeB，NB)，还可以是LTE系统中的演进型基站(evolutional node B，eNB或eNodeB)，或者是云无线接入网络(cloud radio access network，CRAN)中的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备、未来5G网络中的网络侧设备或者未来演进的公共陆地移动网络(public land mobile network，PLMN)中的网络设备等。
该无线通信系统100还包括位于网络设备110覆盖范围内的多个终端设备120。该终 端设备120可以是移动的或固定的。该终端设备120可以指接入终端、用户设备(user equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字处理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、未来5G网络中的终端设备或者未来演进的公共陆地移动网络(public land mobile Network，PLMN)中的终端设备等。
图1示例性地示出了一个网络设备和两个终端设备，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备，本申请实施例对此不做限定。
可选地，该无线通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例不限于此。
图2示出了本申请实施例应用的另一通信系统200。系统200为LTE的系统架构，主要包括移动性管理实体(mobility management entity，MME)/服务网关(serving gateway，SGW)、基站eNB以及用户设备UE，下面对系统200中的各网元和接口进行详细描述。
MME/SGW：MME是第三代合作伙伴计划(3rd generation partnership project，3GPP)LTE中的关键控制节点，属于核心网网元，主要负责信令处理部分，即控制面功能，包括接入控制、移动性管理、附着与去附着、会话管理功能以及网关选择等功能；SGW是3GPPLTE中核心网的重要网元，主要负责用户数据转发的用户面功能，即在MME的控制下进行数据包的路由和转发。
eNB：eNB是LTE中的基站，主要负责空口侧的无线资源管理、服务质量(quality of service，QoS)管理、数据压缩和加密等功能。在核心网侧，eNB主要负责向MME转发控制面信令以及向SGW转发用户面业务数据。
UE：UE是LTE中通过eNB接入网络侧的设备，例如可以是手持终端、笔记本电脑或是其他可以接入网络的设备。
S1接口：S1接口是eNB与核心网之间的标准接口，分别包括S1-MME接口和S1-U接口，其中，eNB通过S1-MME接口与MME连接，用于控制信令的传输；eNB通过S1-U接口与SGW连接，用于用户数据的传输。
X2接口：X2接口是eNB与eNB之间的标准接口，用于实现基站之间的互通。
Uu接口：Uu接口是UE与eNB之间的无线接口，UE通过Uu接口与eNB连接从而接入到LTE网络。
应理解，在系统100中的终端设备为UE，网络设备为eNB的情况下，系统100可以包含于系统200中，但本申请实施例对此不作限定。
还应理解，本申请实施例将以应用于LTE系统为例进行说明，但本申请并不限于此。另外，本文中术语“系统”和“网络”在本文中常被可互换使用。
为了适应小覆盖网络上下行业务特性的快速变化，动态时分双工(dynamic time division duplex，D-TDD)技术已成为下一代移动通信的关键技术之一。所谓D-TDD，就是指根据网络内上下行业务负载情况，灵活快速地切换时分双工(time division duplex， TDD)子帧或时隙上下行，从而匹配网络中具体业务需求，提高网络上下行业务的吞吐量。但是，在D-TDD下，存在相邻小区之间的同频交叉干扰，包括邻小区同频基站下行发射对本小区基站上行接收的干扰，以及邻小区UE上行发射对本小区UE下行接收的干扰。为了更好地获得D-TDD技术灵活高效的性能优势，有效地提升D-TDD的性能增益，往往需要在基站间或用户设备间发送或接收一系列测量参考信号(measurement reference signal，MRS)。基站间进行干扰/信道测量对于接入链路的影响较小，通常可以设计成私有化方法，不需要进行标准化。有鉴于此，本申请实施例的方法能够配置参考信号进行UE间的干扰/信道测量。
图3示出了本申请实施例提供的信号传输方法300的示意性流程图。该方法300可以应用于图1所示的系统架构100，也可以应用于图2所示的系统架构200，但本申请实施例不限于此。
S310，网络设备将配置信息承载在物理信道上，所述配置信息用于指示终端设备发送参考信号，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识确定的；
S320，所述网络设备通过所述物理信道向所述终端设备发送所述配置信息；
S330，所述终端设备接收所述配置信息，并根据所述配置信息，使用所述资源发送所述参考信号。
具体地，网络设备可以将高层产生的配置信息承载在物理信道上，再通过该物理信道向终端设备发送该配置信息。该配置信息用于指示该终端设备发送参考信号，而传输该参考信号所使用的资源是该终端设备根据该终端设备所属小区的小区公共标识确定的。该终端设备接收到该网络设备发送的该配置信息之后，根据该配置信息确定发送参考信号的资源，并使用该资源发送该参考信号。
应理解，上述终端设备发送参考信号是指该终端设备向邻小区的其他终端设备发送参考信号，该参考信号用于进行终端设备之间的干扰/信道测量。
因此，本申请实施例的信号传输方法，通过网络设备向终端设备发送配置信息，该终端设备在接收到该配置信息之后，根据该终端设备所属小区的小区公共标识发送参考信号，能够利用现有的参考信号进行终端设备之间的干扰/信道测量，在提高参考信号的利用率的同时，使得接收侧的终端设备对干扰小区进行区分。
作为一个可选的实施例，传输所述参考信号所使用的资源包括下列各项中的至少一种：传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。
具体地，传输该参考信号所使用的资源可以包括时域资源、频域资源、码域资源以及空域资源中的至少一种，上述四种资源具体即为传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。应理解，传输所述参考信号所使用的资源除了上述四种资源外还可以包括其他资源，本申请实施例对此不作限定。
应理解，传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波对应时频资源，具体可以为传输所述参考信号所使用的资源元素(resource element，RE)。
作为一个可选的实施例，所述参考信号为第一类参考信号和/或第二类参考信号，其 中，所述第一类参考信号为探测参考信号SRS或第一解调参考信号DMRS，所述第二类参考信号为信道状态信息参考信号CSI-RS或第二解调参考信号DMRS。
具体地，该终端设备发送的参考信号可以为第一类参考信号(即上行参考信号)，也可以为第二类参考信号(即下行参考信号)，该参考信号对应的资源粒子用于物理层传输，且不承载来自高层的信息。
应理解，用于网络设备和终端设备之间上下行传输的参考信号有很多，在现有LTE标准中，上行参考信号包括：用于解调上行控制/数据信道的解调参考信号(demodulation reference signal，DMRS)，用于上行信道测量的探测参考信号(sounding reference signal，SRS)；下行参考信号包括：用于下行控制/数据解调/下行信道测量的小区特定参考信号(cell-specific reference signals，CRS)，用于解调下行控制/数据信道的解调参考信号DMRS，用于下行信道测量的信道状态信息参考信号(channel state information reference signal，CSI-RS)。
作为一个可选的实施例，所述配置信息还用于指示所述终端设备的参考信号是否用于终端设备之间的干扰/信道测量，并在所述配置信息指示所述终端设备的参考信号用于终端设备之间的干扰/信道测量的情况下，所述第一配置信息还用于指示所述终端设备为发送方或接收方。
应理解，上述配置信息的配置结果可以分为如下三种情况：
(1)在所述配置信息用于指示所述终端设备的参考信号用于终端设备之间的干扰/信道测量且指示所述终端设备为发送方的情况下，所述终端设备执行上述步骤S330。
(2)在所述配置信息用于指示所述终端设备的参考信号用于终端设备之间的干扰/信道测量且指示所述终端设备为接收方的情况下，所述终端设备接收邻小区的其他终端设备发送的参考信号，根据该参考信号进行终端设备之间的干扰/信道测量，并将测得的信道状态信息反馈给所属网络设备。
(3)在所述配置信息用于指示所述终端设备的参考信号并非用于终端设备之间的干扰/信道测量的情况下，即在该配置信息用于指示该终端设备的参考信号用于该终端设备与该网络设备之间的上下行测量的情况下，该终端设备根据该配置信息，发送上行参考信号或者接收下行参考信号。
应理解，情况(1)与情况(2)所配置的参考信号用于终端设备之间的干扰/信道测量，在这两种情况下，该终端设备发送或接收的参考信号既可以为现有标准中的上行参考信号，也可以为现有标准中的下行参考信号，本申请实施例对此不作限定。而对于情况(3)，网络设备所配置的参考信号用于上下行测量，若该终端设备为发送方，该终端设备所发送的参考信号必然为现有标准中的上行参考信号，若该终端设备为接收方，该终端设备所接收的参考信号必然为现有标准中的下行参考信号。
作为一个可选的实施例，上述配置信息可以承载在高层信令或物理层信令中。下面以基站和UE为例对本申请实施例进行详细说明。
在一种可能的实现方式中，基站可以使用CSI-RS进行UE间测量。现有LTE协议中，基站/收发节点(transmit-receive point，TRP)通过高层信令CSI-RS-Config-r10来配置UE的CSI-RS，该配置是UE级别的。在本申请实施例中，网络设备可以在现有高层信令CSI-RS-Config-r10中增加两个字段，例如，interUEMeas字段和Tx-Rx-Diff字段，其中， interUEMeas用于指示是否使能CSI-RS进行UE间测量，所述使能方法包括该终端设备可以通过字段interUEMeas的有无来区分，或者，该终端设备可以通过字段interUEMeas的取值来区分；Tx-Rx-Diff用于指示在使能UE间测量时所配置的UE是发送方还是接收方，Tx-Rx-Diff的取值为0时所配置UE为发送方，取值为1时所配置UE为接收方。
在一种实现方式中，上述使能方法可以通过字段interUEMeas的有无来区分，具体地，interUEMeas字段和Tx-Rx-Diff字段的属性均为可选的(OPTIONAL)，即该网络设备在高层信令CSI-RS-Config-r10中可以配置这两个字段，也可以不配置这两个字段，如下所示：
Figure PCTCN2017118354-appb-000001
如果UE检测到所述高层信令CSI-RS-Config-r10中存在interUEMeas字段，则视所配置的CSI-RS用于UE间测量，并根据Tx-Rx-Diff的取值确定是发送CSI-RS还是接收CSI-RS，即确定该UE为发送方还是接收方；在该UE为发送方的情况下，该UE按照CSI-RS-Config-r10中的配置信息，或者按照预定义的配置方法，配置并发送CSI-RS；在该UE为接收方的情况下，该UE按照CSI-RS-Config-r10中的配置信息，或者按照预定义的配置方法，接收CSI-RS，进行测量，并反馈信道状态信息以及CSI-RS占用的时频资源位置和/或使用的正交序列。否则，如果UE未检测到所述高层信令CSI-RS-Config-r10中的interUEMeas字段，该UE视所配置的CSI-RS信号用于下行测量，对于CSI-RS而言，该UE为接收方，该UE可以按照CSI-RS-Config-r10中的配置信息接收CSI-RS，进行测量，并反馈信道状态信息。
在另一种实现方式中，上述使能方法可以通过字段interUEMeas的取值来区分，具体地，不同于前述实现方式，字段interUEMeas不可缺省，但字段Tx-Rx-Diff的属性仍可以是OPTIONAL，如下所示：
Figure PCTCN2017118354-appb-000002
Figure PCTCN2017118354-appb-000003
如果UE检测到高层信令CSI-RS-Config-r10中interUEMeas字段取值为1，则视所配置的CSI-RS信号用于UE间测量，并根据Tx-Rx-Diff的取值确定是发送还是接收CSI-RS，即确定该UE为发送方还是接收方；在该UE为发送方的情况下，该UE按照CSI-RS-Config-r10中的配置信息，或者按照预定义的配置方法，配置并发送CSI-RS；在该UE为接收方的情况下，该UE按照CSI-RS-Config-r10中的配置信息，或者按照预定义的配置方法，接收CSI-RS，进行测量，并反馈信道状态信息以及CSI-RS占用的时频资源位置和/或使用的正交序列。否则，如果UE检测到所述高层信令CSI-RS-Config-r10中的interUEMeas字段取值为0，该UE视所配置的CSI-RS信号用于下行测量，对于CSI-RS而言，该UE为接收方，该UE可以按照CSI-RS-Config-r10中的配置信息接收CSI-RS，进行测量，并反馈信道状态信息。
应理解，在上述两种实现方式中，若UE未检测到interUEMeas字段，或者检测到interUEMeas字段的取值为0，则该UE可以直接视所配置的CSI-RS用于下行测量，在这种情况下，该UE可以不关心字段Tx-Rx-Diff的有无或取值。
还应理解，上述两种实现方式仅仅为两种可选的实施例，在本申请实施例中，该网络设备还可以用其他字段实现上述使能方法，本申请实施例对此不作限定。此外，字段interUEMeas和字段Tx-Rx-Diff的取值还可以为两个比特或更多比特，本申请实施例对此也不作限定。
需要进一步说明的是，上述新增字段同样适用于对现有物理层信令的修改，其具体实现过程与上述高层信令类似，此处不再赘述。
在另一种可能的实现方式中，基站可以使用上行DMRS进行UE间测量。现有LTE协议中，基站/收发节点(transmit-receive point，TRP)通过下行控制信息(downlink control information，DCI)来配置UE的上行DMRS，该配置是UE级别的。例如，在DCI format 0中有
-Cyclic shift for DMRS and OCC index–3bits as defined in section 5.5.2.1.1of[2]
考虑到现有LTE标准中，DMRS的配置是与数据信道绑定的，即当且仅当UE需要发送上行数据时，网络侧才会配置上行DMRS。因此，本申请实施例通过新设计的UE特定DCI来配置上行DMRS进行UE间测量。上述使能方法可以通过字段Carrier indicator的有无来区分。具体地，可以在DCI中新增Carrier indicator字段和Flag for Tx/Rx differentiation字段，Carrier indicator字段的属性均为可选的(OPTIONAL)，可以为0bit，也可以为3bit，Flag for Tx/Rx differentiation字段为0代表发送上行DMRS，Flag for Tx/Rx differentiation字段为1代表接收上行DMRS，因此，新设计的DCI format如下所示：
-Carrier indicator–0 or 3bits.The field is present according to the definitions in[3].
-Flag for Tx/Rx differentiation–1bit,where value 0indicates Tx and value 1indicates Rx
-Cyclic shift for DMRS and OCC index–3bits as defined in section 5.5.2.1.1of[2]
或者，
-Carrier indicator–0 or 3bits.The field is present according to the definitions in[3].
-Flag for Tx/Rx differentiation–1bit,where value 0indicates Tx and value 1indicates Rx
如果UE收到基站发送的DCI，并在DCI中检测到Carrier indicator字段，则视所配置的上行DMRS用于UE间测量，并根据Flag for Tx/Rx differentiation的取值确定是发送DMRS还是接收DMRS，即确定该UE为发送方还是接收方；在该UE为发送方的情况下，该UE按照该DCI中的配置信息，或者按照预定义的配置方法，配置并发送上行DMRS；在该UE为接收方的情况下，该UE按照该DCI中的配置信息，或者按照预定义的配置方法，接收上行DMRS，进行测量，并反馈信道状态信息以及该上行DMRS占用的时频资源位置和/或使用的正交序列等。否则，如果UE未在DCI中检测到Carrier indicator字段，该UE视所配置的上行DMRS用于上行测量，对于上行DMRS而言，该UE为发送方，该UE可以按照CSI-RS-Config-r10中的配置信息发送上行DMRS。
应理解，在上述两种实现方式中，若UE未检测到Carrier indicator字段，则该UE可以直接视所配置的上行DMRS用于上行测量，在这种情况下，该UE可以不关心字段Flag for Tx/Rx differentiation的有无或取值。
还应理解，上述实现方式仅仅为可选的实施例，在本申请实施例中，该网络设备还可以用其他字段实现上述使能方法，本申请实施例对此不作限定。此外，字段Carrier indicator和字段Flag for Tx/Rx differentiation的取值还可以为两个比特或更多比特，本申请实施例对此也不作限定。
需要进一步说明的是，上述新增字段同样适用于对现有类似所述DCI的高层信令，从而实现相同的配置效果，其具体实现过程与上述物理层信令类似，此处不再赘述。
作为一个可选的实施例，所述参考信号的循环前缀CP为常规CP。
具体地，以LTE为例，常规CP是指CP的长度相对于符号长度约为6.67％的CP。下面对采用常规CP的理由进行具体分析，可以假设上述用于进行UE间测量的参考信号在时域上位于下行控制信道和数据信道之间。
如图4所示，接收UE在完成下行控制信道的接收后，需要预留一段保护间隔TDD。由于网络中存在多个小区，该接收UE不仅会收到来自本小区的基站/TRP发送的下行控制信息，还会收到来自网络中其他小区的基站/TRP发送的下行控制信息。然而，由于各小 区的基站/TRP与该接收UE间距离不同，因此来自各小区的基站/TRP的下行控制信息到达该接收UE的传输时延不同。若该接收UE在完成本小区的基站/TRP下行控制信息的接收之后就立即进行参考信号的接收，会导致该参考信号受到其他小区的基站/TRP发送的下行控制信息的干扰。因此，上述保护间隔TDD用于保证该接收UE在进行参考信号的接收时，不会受到来自网络中其他基站/TRP发送的下行控制信息的干扰，保护间隔TDD的大小取决于网络中最远的基站/TRP到该接收UE的距离。发送UE在完成下行控制信道的发送后，也需要预留一段保护间隔TDU。保护间隔TDU的大小一方面取决于该发送UE功率放大器的预热稳定时间，另一方面取决于上述参考信号从该发送UE到该接收UE的传输时延dt。综上所述，TDD和TDU的取值取决于网络中最远的基站/TRP到该接收UE的距离、UE功率放大器的预热稳定时间，以及上述参考信号从发送UE到接收UE的传输时延dt。
然而，上述参考信号从发送UE到接收UE的传输时延dt的计算相对复杂，往往很难及时获得。考虑到发送UE和接收UE之间的距离通常相对较近，因此，可以通过循环前缀(cyclic prefix，CP)来对抗传输时延。这是因为在正交频分复用(orthogonal frequency division multiplexing，OFDM)符号的保护间隔内填入CP可以保证在快速傅里叶变换(fast fourier transformation，FFT)周期内OFDM符号的时延副本内包含的波形周期个数也是整数。这样，时延小于保护间隔的信号就不会在解调过程中产生符号间干扰，从而保证解调正确性。
现有LTE协议规定了对应15KHz子载波间隔的三种CP长度，即4.687us的常规CP、16.67us的扩展CP以及33.33us的超长CP。当参考信号采用60KHz子载波间隔时，常规CP长度为1.172us，最大可保证约350m的传输时延落在CP范围内；而当参考信号采用120KHz子载波间隔时，常规CP长度为0.586us，最大可保证约180m的传输时延落在CP范围内。实际中，相距180m或350m的相邻小区UE间干扰强度可以忽略。因此，为节省测量开销并保证更多的预留保护间隔，所述参考信号的CP预定义地使用常规CP。
作为一个可选的实施例，所述配置信息由动态信令或高层信令承载。
应理解，上述动态信令可以为物理下行控制信道(physical downlink control channel，PDCCH)承载，上述高层信令可以为系统消息(master information block，SIB)，也可以为无线资源控制(radio resource control，RRC)信令，本申请实施例对此不作限定。
作为一个可选的实施例，所述终端设备根据所述配置信息，使用所述资源发送所述参考信号，包括：
所述终端设备在接收到所述配置信息之后，根据所述终端设备所属小区的小区公共标识，确定所述资源；
所述终端设备使用所述资源发送所述参考信号。
具体地，该终端设备接收到该网络设备发送的配置信息，并根据该配置信息确定参考信号用于终端设备之间的干扰/信道测量，且该终端设备为发送方的情况下，该终端设备可以根据该小区公共标识确定发送参考信号所使用的资源，并采用该资源发送该参考信号。
可选地，该终端设备所属小区的小区公共标识可以为该终端设备所属小区的小区物理标识(physical cell identity，PCI)，还可以为其他基于配置的标识，本申请实施例对此不 作限定。
该终端设备确定该终端设备所属小区的小区公共标识，具体可以分为两种情况：若该小区公共标识为PCI，那么该PCI可以是在小区同步时该终端设备根据同步信号确定的；若该小区公共标识为其他基于配置的标识，那么该标识可以是该网络设备通过广播或高层信令为该终端设备配置的。应理解，该小区公共标识的确定还可以取决于网络设备之间进行协商的结果，并且该结果会通过物理层信令或高层信令下发给各小区的终端设备。
还应理解，当两个小区地理位置相近且来自这两个小区的参考信号准同定位(quasi-co-located，QCL)时，这两个小区可以使用相同的小区公共标识，但本申请实施例对此不作限定。这里，参考信号QCL表示该参考信号具有相近的多普勒偏移、多普勒扩展、平均时延和/或时域扩展等大尺度衰落特性。
作为一个可选的实施例，所述终端设备根据所述终端设备所属小区的小区公共标识，确定所述资源，包括：
所述终端设备根据所述终端设备所属小区的小区公共标识，按照预定义准则计算所述资源的资源索引；
所述终端设备根据所述资源的资源索引，确定所述资源。
具体地，该终端设备可以根据该终端设备所属小区的小区公共标识，按照预定义准则计算发送参考信号所使用资源的资源索引，再根据该资源索引确定该资源。应理解，资源索引是用于确定资源的唯一标识，一般会对资源进行编号，每个资源对应的编号即为该资源的索引，网络设备和/或终端设备可以根据资源索引确定与该资源索引对应的资源，其中，资源索引与资源的对应关系可以是协议预先规定的。
在一种可能的实现方式中，以基于OFDM调制下的参考信号的配置为例，如图5所示，横轴为时域，纵轴为频域，假设参考信号使用的子载波间隔为控制/数据信道使用的子载波间隔的2倍。对于给定小区，小区内各终端设备的参考信号会插入到每个时隙slot的第2个或第6个OFDM符号(即图5中的符号1或符号5)中，同一个OFDM符号内相邻的2个参考信号在频域上间隔3个子载波。该终端设备可以通过以下方法中的一种或多种来确定传输参考信号所使用的资源。
(1)根据该终端设备所属小区的PCI，确定该参考信号的符号索引，具体为该参考信号位于第2个OFDM符号还是第6个OFDM符号，其值为4(PCImod2)+1。
(2)根据该终端设备所属小区的PCI，确定该参考信号的频率索引(即子载波索引)，即该参考信号在每个时隙slot内的频域起始位置，其值为PCImod3；该频率索引与小区特定的频率偏移有关，如图5所示，频率偏移为3。
(3)根据该终端设备所属小区的PCI，确定该参考信号的正交掩码(orthogonal cover code，OCC)索引，具体地，对于位于相同时频资源上来自不同小区的终端设备的参考信号，该参考信号的正交掩码索引为PCImod2。
因此，通过给不同的小区分配不同的PCI，可以使不同的小区之间拥有不同的时域、频域或码域资源。在参考信号使用的资源同时包括时域资源、频域资源以及码域资源的情况下，同时使用上述三种方法，可以避免来自至多12个相邻小区的参考信号之间的资源冲突，即作为接收方的终端设备可以分辨出来自至多12个相邻小区的参考信号。
在另一种可能的实现方式中，以基于离散傅里叶变换扩频的正交频分复用(discrete  fourier transform spread spectrum OFDM，DFT-S-OFDM)调制下的参考信号的配置为例，如图6至图8所示，假设参考信号使用的子载波间隔为控制/数据信道使用的子载波间隔的2倍。在图6中，横轴为时域，纵轴为频域，对于给定小区，小区内各终端设备的参考信号会插入到每个时隙slot的第2-3个或第5-6个DFT-S-OFDM符号(即图6中的符号1-2或符号4-5)中。为保证DFT-S-OFDM符号的单载波特性，上述参考信号可以为一个长度为6的序列，映射在整个DFT-S-OFDM符号上，并在三个连续/非连续的符号上进行重复，如图7所示。可选地，还可以为终端设备所发送的参考信号确定梳齿，如图8所示，对于一个终端设备而言可以每隔一个子载波发送一个参考信号，这样，虚线部分的子载波不用于该终端设备传输参考信号，但可以用于其他终端设备传输参考信号，以便于接收侧对不同的终端设备进行区分，但本申请实施例对此不作限定。
本申请实施例可以将基于OFDM调制方式发送参考信号的频域的正交性转换为基于DFT-S-OFDM调制方式发送参考信号的时域的正交性。具体地，该终端设备可以通过以下方法中的一种或多种来确定传输参考信号所使用的资源。
(1)根据该终端设备所属小区的PCI，确定该参考信号的符号索引，具体为该参考信号位于第2-3个DFT-S-OFDM符号还是第5-6个DFT-S-OFDM符号，其值为4(PCImod2)+j，j＝1,2。
(2)对于位于相同时频资源上来自不同小区的终端设备的参考信号，该配置方法包括如下一种或多种：
1)根据该终端设备所属小区的PCI，确定该参考信号的循环移位索引，其值为PCImod2；
2)根据该终端设备所属小区的PCI，确定该参考信号的OCC索引，其值为PCImod3；
3)根据该终端设备所属小区的PCI，确定该参考信号的“梳齿”索引，其值为
Figure PCTCN2017118354-appb-000004
因此，通过给不同的小区分配不同的PCI，可以使不同的小区之间拥有不同的时域、频域或码域资源。在参考信号使用的资源同时包括时域资源、频域资源以及码域资源的情况下，同时使用上述三种方法，可以避免来自至多24个相邻小区的参考信号之间的资源冲突，即作为接收方的终端设备可以分辨出来自至多24个相邻小区的参考信号。
现有LTE协议中，终端设备发送的上行参考信号都是该终端设备特定的，即该参考信号所使用时频资源、参考信号序列、参考信号正交掩码以及参考信号循环移位中的一种或多种是通过终端设备标识计算的。但是，相邻小区的终端设备之间的干扰等级随着时隙slot的变化而变化，该干扰等级的变化还来自于终端设备移动性导致的相邻小区终端设备之间距离的变化。一方面，本小区的终端设备很难获知邻小区终端设备的标识，另一方面，邻小区终端设备数量众多且变化较快，故即使本小区的终端设备盲检所有可能的终端设备标识也会造成极高的检测复杂度。
因此，在支持终端设备之间半静态测量上报的场景下，不适合采用终端设备级的正交参考信号。事实上，对于终端设备间半静态测量上报，其上报的测量量应该是邻小区终端设备的在相应时频资源上的平均干扰等级。在这种情况下，可以采用小区级的正交参考信号，即给定小区内所有终端设备在相同的时频资源上发送相同的测量参考信号，不同小区间终端设备使用的时频资源和/或测量参考信号正交/准正交。
综上所述，在本申请实施例中，发送侧的终端设备采用小区公共标识确定参考信号使用的资源，且使小区间的参考信号正交，这样，接收侧的终端设备可以通过简单运算区分出来使用相同时频资源但自不同小区的参考信号，提高了测量效率。
作为一个可选的实施例，传输所述参考信号所使用的资源是所述终端设备根据所述终端设备所属小区的小区公共标识以及第一映射关系从至少一个候选资源中确定的，其中，所述第一映射关系用于表示至少一个小区公共标识与所述至少一个候选资源之间的对应关系，所述至少一个小区公共标识包括所述终端设备所属小区的小区公共标识。
具体地，传输参考信号所使用的资源可以是独立确定的，还可以是协议预定义的。在本申请实施例中，可以在协议中预定义若干可行的资源组合，例如，子载波、符号和OCC、子载波和符号等等，并为各组合预定义编号。
作为一个可选的实施例，所述终端设备根据所述配置信息，使用所述资源发送所述参考信号，包括：
所述终端设备根据所述配置信息，使用所述资源向至少一个其他终端设备发送所述参考信号。
应理解，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
上文中结合图1至图8，详细描述了根据本申请实施例的信号传输方法，下面将结合图9和图12，详细描述根据本申请实施例的信号传输装置。
图9示出了本申请实施例提供的信号传输装置700，该装置700包括：
接收单元，用于接收网络设备发送的配置信息，所述配置信息用于指示所述装置发送参考信号，传输所述参考信号所使用的资源是根据所述装置所属小区的小区公共标识确定的；
发送单元，用于根据所述配置信息，使用所述资源发送所述参考信号。
本申请实施例的信号传输装置，通过网络设备向终端设备发送配置信息，该终端设备在接收到该配置信息之后，根据该终端设备所属小区的小区公共标识发送参考信号，能够利用现有的参考信号进行终端设备之间的干扰/信道测量，在提高参考信号的利用率的同时，使得接收侧的终端设备对干扰小区进行区分。
可选地，传输所述参考信号所使用的资源包括下列各项中的至少一种：传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。
可选地，所述参考信号为第一类参考信号和/或第二类参考信号，其中，所述第一类参考信号为探测参考信号SRS或第一解调参考信号DMRS，所述第二类参考信号为信道状态信息参考信号CSI-RS或第二解调参考信号DMRS。
可选地，所述参考信号的循环前缀CP为常规CP。
可选地，所述配置信息由动态信令或高层信令承载。
可选地，所述装置还包括：确定单元，用于在接收到所述配置信息之后，根据所述装置所属小区的小区公共标识，确定所述资源；所述发送单元具体用于：使用所述资源发送所述参考信号。
可选地，所述确定单元具体用于：根据所述装置所属小区的小区公共标识，按照预定 义准则计算所述资源的资源索引；根据所述资源的资源索引，确定所述资源。
可选地，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识以及第一映射关系从至少一个候选资源中确定的，其中，所述第一映射关系用于表示至少一个小区公共标识与所述至少一个候选资源之间的对应关系，所述至少一个小区公共标识包括所述装置所属小区的小区公共标识。
可选地，所述发送单元具体用于：根据所述配置信息，使用所述资源向至少一个其他终端设备发送所述参考信号。
应理解，这里的装置700以功能单元的形式体现。这里的术语“单元”可以指应用特有集成电路(application specific integrated circuit，ASIC)、电子电路、用于执行一个或多个软件或固件程序的处理器(例如共享处理器、专有处理器或组处理器等)和存储器、合并逻辑电路和/或其它支持所描述的功能的合适组件。在一个可选例子中，本领域技术人员可以理解，装置700可以具体为上述实施例中的终端设备，装置700可以用于执行上述方法实施例中与终端设备对应的各个流程和/或步骤，为避免重复，在此不再赘述。
图10示出了本申请实施例提供的信号传输装置800，该装置800包括：
承载单元，用于将配置信息承载在物理信道上，所述配置信息用于指示终端设备发送参考信号，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识确定的；
发送单元，用于通过所述物理信道向所述终端设备发送所述配置信息。
本申请实施例的信号传输装置，通过网络设备向终端设备发送配置信息，该终端设备在接收到该配置信息之后，根据该终端设备所属小区的小区公共标识发送参考信号，能够利用现有的参考信号进行终端设备之间的干扰/信道测量，在提高参考信号的利用率的同时，使得接收侧的终端设备对干扰小区进行区分。
可选地，传输所述参考信号所使用的资源包括下列各项中的至少一种：传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。
可选地，所述参考信号为第一类参考信号和/或第二类参考信号，其中，所述第一类参考信号为探测参考信号SRS或第一解调参考信号DMRS，所述第二类参考信号为信道状态信息参考信号CSI-RS或第二解调参考信号DMRS。
可选地，所述参考信号的循环前缀CP为常规CP。
可选地，所述配置信息由动态信令或高层信令承载。
可选地，所述物理信道包括物理下行控制信道PDCCH和/或物理下行共享信道PDSCH。
应理解，这里的装置800以功能单元的形式体现。这里的术语“单元”可以指应用特有集成电路(application specific integrated circuit，ASIC)、电子电路、用于执行一个或多个软件或固件程序的处理器(例如共享处理器、专有处理器或组处理器等)和存储器、合并逻辑电路和/或其它支持所描述的功能的合适组件。在一个可选例子中，本领域技术人员可以理解，装置800可以具体为上述实施例中的网络设备，装置800可以用于执行上述方法实施例中与网络设备对应的各个流程和/或步骤，为避免重复，在此不再赘述。
图11示出了本申请实施例提供的另一信号传输装置900。该装置900包括处理器910、 收发器920和存储器930。其中，处理器910、收发器920和存储器930通过内部连接通路互相通信，该存储器930用于存储指令，该处理器910用于执行该存储器930存储的指令，以控制该收发器920发送信号和/或接收信号。
其中，该收发器920用于接收网络设备发送的配置信息，所述配置信息用于指示所述装置发送参考信号，传输所述参考信号所使用的资源是根据所述装置所属小区的小区公共标识确定的；根据所述配置信息，使用所述资源发送所述参考信号。
应理解，装置900可以具体为上述实施例中的终端设备，并且可以用于执行上述方法实施例中与终端设备对应的各个步骤和/或流程。可选地，该存储器930可以包括只读存储器和随机存取存储器，并向处理器提供指令和数据。存储器的一部分还可以包括非易失性随机存取存储器。例如，存储器还可以存储设备类型的信息。该处理器910可以用于执行存储器中存储的指令，并且当该处理器910执行存储器中存储的指令时，该处理器910用于执行上述与该终端设备对应的方法实施例的各个步骤和/或流程。
图12示出了本申请实施例提供的另一信号传输装置1000。该装置1000包括处理器1010、收发器1020和存储器1030。其中，处理器1010、收发器1020和存储器1030通过内部连接通路互相通信，该存储器1030用于存储指令，该处理器1010用于执行该存储器1030存储的指令，以控制该收发器1020发送信号和/或接收信号。
其中，该处理器1010用于将配置信息承载在物理信道上，所述配置信息用于指示终端设备发送参考信号，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识确定的；该收发器1020用于通过所述物理信道向所述终端设备发送所述配置信息。
应理解，装置1000可以具体为上述实施例中的网络设备，并且可以用于执行上述方法实施例中与网络设备对应的各个步骤和/或流程。可选地，该存储器1030可以包括只读存储器和随机存取存储器，并向处理器提供指令和数据。存储器的一部分还可以包括非易失性随机存取存储器。例如，存储器还可以存储设备类型的信息。该处理器1010可以用于执行存储器中存储的指令，并且当该处理器1010执行存储器中存储的指令时，该处理器1010用于执行上述与该网络设备对应的方法实施例的各个步骤和/或流程。
应理解，在本申请实施例中，上述装置的处理器可以是中央处理单元(central processing unit，CPU)，该处理器还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
在实现过程中，上述方法的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件单元组合执行完成。软件单元可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器执行存储器中的指令，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例中描述的各方法步骤和单元，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件 的可互换性，在上述说明中已经按照功能一般性地描述了各实施例的步骤及组成。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。本领域普通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。
所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，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，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口、装置或单元的间接耦合或通信连接，也可以是电的，机械的或其它的形式连接。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本申请实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以是两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分，或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(read-only memory，ROM)、随机存取存储器(random access memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易向到各种等效的修改或替换，这些修改或替换都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (31)

  1. 一种信号传输方法，其特征在于，包括：
    终端设备接收网络设备发送的配置信息，所述配置信息用于指示所述终端设备发送参考信号，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识确定的；
    所述终端设备根据所述配置信息，使用所述资源发送所述参考信号。
  2. 根据权利要求1所述的方法，其特征在于，所述传输所述参考信号所使用的资源包括下列各项中的至少一种：
    传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。
  3. 根据权利要求1或2所述的方法，其特征在于，所述参考信号为第一类参考信号和/或第二类参考信号，其中，所述第一类参考信号为探测参考信号SRS或第一解调参考信号DMRS，所述第二类参考信号为信道状态信息参考信号CSI-RS或第二解调参考信号DMRS。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述参考信号的循环前缀CP为常规CP。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述配置信息由动态信令或高层信令承载。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述终端设备根据所述配置信息，使用所述资源发送所述参考信号，包括：
    所述终端设备在接收到所述配置信息之后，根据所述终端设备所属小区的小区公共标识，确定所述资源；
    所述终端设备使用所述资源发送所述参考信号。
  7. 根据权利要求6所述的方法，其特征在于，所述终端设备根据所述终端设备所属小区的小区公共标识，确定所述资源，包括：
    所述终端设备根据所述终端设备所属小区的小区公共标识，按照预定义准则计算所述资源的资源索引；
    所述终端设备根据所述资源的资源索引，确定所述资源。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述资源是所述终端设备根据所述终端设备所属小区的小区公共标识以及第一映射关系从至少一个候选资源中确定的，其中，所述第一映射关系用于表示至少一个小区公共标识与所述至少一个候选资源之间的对应关系，所述至少一个小区公共标识包括所述终端设备所属小区的小区公共标识。
  9. 根据权利要求1至8中任一项所述的方法，其特征在于，所述终端设备根据所述配置信息，使用所述资源发送所述参考信号，包括：
    所述终端设备根据所述配置信息，使用所述资源向至少一个其他终端设备发送所述参考信号。
  10. 一种信号传输方法，其特征在于，包括：
    网络设备将配置信息承载在物理信道上，所述配置信息用于指示终端设备发送参考信号，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识确定的；
    所述网络设备通过所述物理信道向所述终端设备发送所述配置信息。
  11. 根据权利要求10所述的方法，其特征在于，所述传输所述参考信号所使用的资源包括下列各项中的至少一种：
    传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。
  12. 根据权利要求10或11所述的方法，其特征在于，所述参考信号为第一类参考信号和/或第二类参考信号，其中，所述第一类参考信号为探测参考信号SRS或第一解调参考信号DMRS，所述第二类参考信号为信道状态信息参考信号CSI-RS或第二解调参考信号DMRS。
  13. 根据权利要求10至12中任一项所述的方法，其特征在于，所述参考信号的循环前缀CP为常规CP。
  14. 根据权利要求10至13中任一项所述的方法，其特征在于，所述配置信息由动态信令或高层信令承载。
  15. 根据权利要求10至14中任一项所述的方法，其特征在于，所述物理信道包括物理下行控制信道PDCCH和/或物理下行共享信道PDSCH。
  16. 一种信号传输装置，其特征在于，包括：
    接收单元，用于接收网络设备发送的配置信息，所述配置信息用于指示所述装置发送参考信号，传输所述参考信号所使用的资源是根据所述装置所属小区的小区公共标识确定的；
    发送单元，用于根据所述配置信息，使用所述资源发送所述参考信号。
  17. 根据权利要求16所述的装置，其特征在于，所述传输所述参考信号所使用的资源包括下列各项中的至少一种：
    传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。
  18. 根据权利要求16或17所述的装置，其特征在于，所述参考信号为第一类参考信号和/或第二类参考信号，其中，所述第一类参考信号为探测参考信号SRS或第一解调参考信号DMRS，所述第二类参考信号为信道状态信息参考信号CSI-RS或第二解调参考信号DMRS。
  19. 根据权利要求16至18中任一项所述的装置，其特征在于，所述参考信号的循环前缀CP为常规CP。
  20. 根据权利要求16至19中任一项所述的装置，其特征在于，所述配置信息由动态信令或高层信令承载。
  21. 根据权利要求16至20中任一项所述的装置，其特征在于，所述装置还包括：
    确定单元，用于在接收到所述配置信息之后，根据所述装置所属小区的小区公共标识，确定所述资源；
    所述发送单元具体用于：使用所述资源发送所述参考信号。
  22. 根据权利要求21所述的装置，其特征在于，所述确定单元具体用于：
    根据所述装置所属小区的小区公共标识，按照预定义准则计算所述资源的资源索引；
    根据所述资源的资源索引，确定所述资源。
  23. 根据权利要求16至22中任一项所述的装置，其特征在于，所述资源是根据所述终端设备所属小区的小区公共标识以及第一映射关系从至少一个候选资源中确定的，其中，所述第一映射关系用于表示至少一个小区公共标识与所述至少一个候选资源之间的对应关系，所述至少一个小区公共标识包括所述装置所属小区的小区公共标识。
  24. 根据权利要求16至23中任一项所述的装置，其特征在于，所述发送单元具体用于：
    根据所述配置信息，使用所述资源向至少一个其他终端设备发送所述参考信号。
  25. 一种信号传输装置，其特征在于，包括：
    承载单元，用于将配置信息承载在物理信道上，所述配置信息用于指示终端设备发送参考信号，传输所述参考信号所使用的资源是根据所述终端设备所属小区的小区公共标识确定的；
    发送单元，用于通过所述物理信道向所述终端设备发送所述配置信息。
  26. 根据权利要求25所述的装置，其特征在于，所述传输所述参考信号所使用的资源包括下列各项中的至少一种：
    传输所述参考信号所使用的符号、传输所述参考信号所使用的子载波、所述参考信号的循环移位以及所述参考信号的正交掩码。
  27. 根据权利要求25或26所述的装置，其特征在于，所述参考信号为第一类参考信号和/或第二类参考信号，其中，所述第一类参考信号为探测参考信号SRS或第一解调参考信号DMRS，所述第二类参考信号为信道状态信息参考信号CSI-RS或第二解调参考信号DMRS。
  28. 根据权利要求25至27中任一项所述的装置，其特征在于，所述参考信号的循环前缀CP为常规CP。
  29. 根据权利要求25至28中任一项所述的装置，其特征在于，所述配置信息由动态信令或高层信令承载。
  30. 根据权利要求25至29中任一项所述的装置，其特征在于，所述物理信道包括物理下行控制信道PDCCH和/或物理下行共享信道PDSCH。
  31. 一种计算机可读介质，用于存储计算机程序，所述计算机程序包括用于执行权利要求1至15中任一项所述的方法的指令。
PCT/CN2017/118354 2017-01-05 2017-12-25 信号传输方法和装置 WO2018126926A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112019013783A BR112019013783A2 (pt) 2017-01-05 2017-12-25 método e aparelho de transmissão de sinal
EP17890090.8A EP3557805B1 (en) 2017-01-05 2017-12-25 Signal transmission method and apparatus
US16/503,514 US11381363B2 (en) 2017-01-05 2019-07-04 Signal transmission method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710008292.7 2017-01-05
CN201710008292.7A CN108282285B (zh) 2017-01-05 2017-01-05 信号传输方法和装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/503,514 Continuation US11381363B2 (en) 2017-01-05 2019-07-04 Signal transmission method and apparatus

Publications (1)

Publication Number Publication Date
WO2018126926A1 true WO2018126926A1 (zh) 2018-07-12

Family

ID=62789068

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/118354 WO2018126926A1 (zh) 2017-01-05 2017-12-25 信号传输方法和装置

Country Status (5)

Country Link
US (1) US11381363B2 (zh)
EP (1) EP3557805B1 (zh)
CN (1) CN108282285B (zh)
BR (1) BR112019013783A2 (zh)
WO (1) WO2018126926A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113115423A (zh) * 2018-09-10 2021-07-13 Oppo广东移动通信有限公司 控制功率攀升计数器的方法和终端设备

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020019235A1 (zh) * 2018-07-26 2020-01-30 Oppo广东移动通信有限公司 传输信号的方法、网络设备和终端设备
CN110768768B (zh) * 2018-07-27 2022-06-10 上海华为技术有限公司 探测参考信号的资源配置方法及通信装置
WO2020024110A1 (zh) * 2018-07-31 2020-02-06 华为技术有限公司 参考信号强度指示的测量方法和装置
CN110891312B (zh) * 2018-09-10 2023-11-03 华为技术有限公司 一种信息发送方法，信息接收的方法和装置
CN110933745B (zh) * 2018-09-19 2023-05-09 中国移动通信有限公司研究院 一种大规模天线传输的方法和设备
CN116113052B (zh) * 2018-09-26 2024-09-17 Oppo广东移动通信有限公司 无线通信方法和终端设备
AU2018443613B2 (en) * 2018-09-30 2022-04-07 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Communication method and apparatus, and communication device
CN111148232B (zh) * 2018-11-02 2021-10-22 维沃移动通信有限公司 信息传输方法及通信设备
ES2971354T3 (es) * 2018-11-09 2024-06-04 Guangdong Oppo Mobile Telecommunications Corp Ltd Método de comunicación inalámbrica, dispositivo de red y dispositivo terminal
WO2020107155A1 (zh) 2018-11-26 2020-06-04 华为技术有限公司 信道状态信息的获取方法、装置及计算机存储介质
CN111278119B (zh) * 2019-01-04 2024-04-19 维沃移动通信有限公司 干扰处理方法、基站及终端
CN111431687B (zh) 2019-01-10 2022-02-25 华为技术有限公司 一种资源指示方法及装置
US12224849B2 (en) 2019-01-11 2025-02-11 Apple Inc. Method for conveying remote interference management information via reference signal
CN111435888B (zh) * 2019-01-11 2022-02-08 大唐移动通信设备有限公司 一种参考信号的发送、接收方法和通信设备
CN112997563A (zh) 2019-02-03 2021-06-18 Oppo广东移动通信有限公司 干扰或信号接收功率测量的方法和设备
CN111586855B (zh) 2019-02-15 2024-02-09 华为技术有限公司 信号传输的方法与装置
EP3910861A4 (en) * 2019-02-15 2022-03-23 Samsung Electronics Co., Ltd. METHOD AND DEVICE FOR REFERENCE SIGNAL TRANSMISSION AND RECEPTION IN A MILLIMETER WAVE WIRELESS COMMUNICATION SYSTEM
CN111600690B (zh) * 2019-04-30 2021-07-06 维沃移动通信有限公司 参考信号测量、参考信号资源配置方法和设备
CN111988099A (zh) * 2019-05-23 2020-11-24 海信集团有限公司 一种交叉链路干扰测量的方法、网络侧设备、终端和系统
CN114208325A (zh) * 2019-06-11 2022-03-18 株式会社Ntt都科摩 终端以及无线通信方法
CN115278765A (zh) 2019-07-04 2022-11-01 大唐移动通信设备有限公司 信号传输方法及装置
US10993264B1 (en) 2019-10-15 2021-04-27 Qualcomm Incorporated Multiplexing channel state information reports in multiple transmit-receive point (TRP) scenarios
CN112822713B (zh) * 2019-11-18 2022-07-08 维沃移动通信有限公司 一种srs上报处理方法及相关设备
CN112929100B (zh) 2019-12-05 2022-12-06 维沃移动通信有限公司 参考信号的发送方法、发射机及计算机可读存储介质
CN111869156B (zh) * 2020-06-16 2023-10-03 北京小米移动软件有限公司 参考信号资源的配置方法、装置、通信设备及存储介质
CN113950071A (zh) * 2020-07-15 2022-01-18 华为技术有限公司 一种通信方法及装置
CN114070696B (zh) * 2020-07-31 2023-03-10 上海华为技术有限公司 一种信号传输的方法及其相关设备
WO2022061733A1 (zh) * 2020-09-25 2022-03-31 Oppo广东移动通信有限公司 无线通信方法和设备
CN114286371B (zh) * 2020-09-28 2024-11-08 中国移动通信有限公司研究院 信号测量方法、装置及网络设备
CN115039373B (zh) * 2022-05-05 2024-03-12 北京小米移动软件有限公司 解调参考信号dmrs的传输方法和装置
CN115334578B (zh) * 2022-10-14 2023-01-24 中兴通讯股份有限公司 终端干扰测量方法、系统、电子设备及可读存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102065557A (zh) * 2010-12-31 2011-05-18 中兴通讯股份有限公司 用于协作多点传输系统的测量参考信号发送方法及系统
CN104581961A (zh) * 2015-01-29 2015-04-29 大唐移动通信设备有限公司 一种下行协作多点联合传输方法及装置
WO2015065077A1 (ko) * 2013-11-01 2015-05-07 주식회사 아이티엘 스몰셀을 지원하는 무선 통신 시스템에서 참조 신호의 구성 장치 및 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102158449B (zh) * 2010-02-12 2014-03-12 华为技术有限公司 一种生成参考信号的方法、基站及终端
CN101827444B (zh) 2010-03-31 2015-03-25 中兴通讯股份有限公司 一种测量参考信号的信令配置系统及方法
US8654734B2 (en) * 2010-06-01 2014-02-18 Texas Instruments Incorporated Multi-cell channel state information-reference symbol patterns for long term evolution extended cyclic prefix and code division multiplexing-time multiplexing
KR101427072B1 (ko) * 2011-07-27 2014-08-05 엘지전자 주식회사 다중 노드 시스템에서 상향링크 기준 신호 전송 방법 및 그 방법을 이용하는 단말
WO2013062351A1 (ko) * 2011-10-26 2013-05-02 엘지전자 주식회사 무선통신 시스템에서 셀 간 d2d 통신을 수행하는 방법 및 이를 위한 장치
CN103220791A (zh) * 2012-01-20 2013-07-24 中兴通讯股份有限公司 一种上行解调参考信号的信令资源分配方法和基站
US9008585B2 (en) * 2012-01-30 2015-04-14 Futurewei Technologies, Inc. System and method for wireless communications measurements and CSI feedback
KR102124484B1 (ko) * 2012-03-24 2020-06-19 엘지전자 주식회사 무선 통신 시스템에서 참조신호 송수신 방법 및 장치
EP3120490B1 (en) * 2014-03-19 2022-05-04 LG Electronics Inc. Method of transmitting and receiving device-to-device ue signal in wireless communication system and apparatus therefor
CN105472529B (zh) * 2014-06-09 2019-10-01 北京三星通信技术研究有限公司 一种lte网络中的d2d发现信号发送方法和装置
WO2016018107A1 (ko) * 2014-07-30 2016-02-04 엘지전자(주) 무선 통신 시스템에서 단말 간 동기화를 수행하기 위한 방법 및 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102065557A (zh) * 2010-12-31 2011-05-18 中兴通讯股份有限公司 用于协作多点传输系统的测量参考信号发送方法及系统
WO2015065077A1 (ko) * 2013-11-01 2015-05-07 주식회사 아이티엘 스몰셀을 지원하는 무선 통신 시스템에서 참조 신호의 구성 장치 및 방법
CN104581961A (zh) * 2015-01-29 2015-04-29 大唐移动通信设备有限公司 一种下行协作多点联合传输方法及装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113115423A (zh) * 2018-09-10 2021-07-13 Oppo广东移动通信有限公司 控制功率攀升计数器的方法和终端设备
CN113115423B (zh) * 2018-09-10 2022-07-08 Oppo广东移动通信有限公司 控制功率攀升计数器的方法和终端设备

Also Published As

Publication number Publication date
US20190356448A1 (en) 2019-11-21
BR112019013783A2 (pt) 2020-01-21
EP3557805B1 (en) 2022-03-16
EP3557805A1 (en) 2019-10-23
CN108282285A (zh) 2018-07-13
US11381363B2 (en) 2022-07-05
EP3557805A4 (en) 2019-12-18
CN108282285B (zh) 2020-06-02

Similar Documents

Publication Publication Date Title
WO2018126926A1 (zh) 信号传输方法和装置
CN110915159B (zh) 确定参考信号序列的方法、装置、计算机程序产品及计算机可读存储介质
JP6204926B2 (ja) チャネル推定のための方法および装置
CN108809454B (zh) 干扰测量方法和设备
JP6078078B2 (ja) 無線・ネットワークにおける基準信号生成の初期設定
KR101700543B1 (ko) 채널 추정을 위한 의사 동일 위치된 안테나 포트
CN108234098B (zh) 信号传输和接收的方法和系统以及相关的发送方法
JP5973673B2 (ja) ユーザ機器、無線ネットワークノード及びそれらにおける方法
JP6545910B2 (ja) 複数のトーンホッピング距離をもつ狭帯域ｐｒａｃｈ
JP6095991B2 (ja) 無線基地局、ユーザ端末及び無線通信方法
CN108353349B (zh) 在许可辅助接入中发现参考信号配置和加扰
JPWO2018199162A1 (ja) 基地局装置、端末装置、通信方法、および、集積回路
JPWO2018199243A1 (ja) 基地局装置、端末装置、通信方法、および、集積回路
US20190028305A1 (en) Signal Transmission Method and Apparatus
JPWO2018199074A1 (ja) 基地局装置、端末装置、通信方法、および、集積回路
CN110249599A (zh) 基站装置、终端装置、通信方法以及集成电路
CN108713341A (zh) 用于超低延时（ull）和传统传输的资源管理的方法和装置
JP2015525031A (ja) 多地点協調（ＣｏＭＰ）動作とキャリアアグリゲーション（ＣＡ）とのジョイントサポートのための技法
JP2019517746A (ja) 同期チャネルおよびブロードキャストチャネルのリソース選択による仮説の伝達
JP7500424B2 (ja) 低い相互相関シーケンスを使用した基準信号生成
JP2020505828A (ja) 同じｏｆｄｍシンボルの異なるサブバンド内への基準信号の配置
JP7168654B2 (ja) 信頼性能が改善されたｎｐｒａｃｈ
WO2018052061A1 (ja) 送信装置及び無線通信方法
JP2024514131A (ja) 処理能力が制約されたシナリオにおいてマルチｒｔｔ測位を改善するためにｐｒｓとｓｒｓとの関連付けを定義すること
WO2016106936A1 (zh) 一种数据传输方法、装置和系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17890090

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112019013783

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 2017890090

Country of ref document: EP

Effective date: 20190715

ENP Entry into the national phase

Ref document number: 112019013783

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20190703