CN103874207A - Resource mapping method, base station and user equipment - Google Patents

Abstract

The invention discloses a resource mapping method, base station and user equipment. The method includes: determining a physical downlink shared channel resource mapping co-site PQ parameter set of the user equipment, the PQ parameter set includes parameters of resource elements RE occupied by a cell-specific reference signal CRS and/or a demodulation reference signal DMRS, and the CRS occupies The parameters of the RE include at least one of the following: parameters of the subframe occupied by the CRS, parameters of the frequency band occupied by the CRS in the subframe, and the type of the carrier carrying the CRS; sending the PQ parameter set to the user equipment. The resource mapping method, base station, and user equipment in the embodiments of the present invention enable the user equipment to correctly identify REs that carry CRS and/or DMRS in a network environment of a new carrier type and/or a new LTE protocol version, and can The RE used for data transmission is further determined, so that normal communication between the base station and the user equipment can be performed, and user experience is improved.

Description

Resource mapping method, base station and user equipment

technical field

Embodiments of the present invention relate to a coordinated multi-point communication system, and more specifically, to a resource mapping method, base station and user equipment in the coordinated multi-point communication system.

Background technique

In a coordinated multi-point communication system, in addition to the serving base station of the user equipment, there may be multiple coordinated base stations providing downlink transmission services for the user equipment. Wherein, the Resource Element (referred to as "RE") occupied by each base station to send data and cell-specific reference signal (Cell-specific Reference Signal, referred to as "CRS") to the user equipment respectively is fixed. However, different base stations occupy different REs when transmitting data and CRS to the user equipment respectively, and the user equipment does not know which base station sent the data when receiving the data, so the user equipment cannot be sure to receive The RE location of the data.

In order for the user equipment to correctly identify the RE receiving data, the serving base station of the user equipment first configures a physical downlink shared channel resource mapping co-site (PhysicalDownlink Shared Channel Resource Element Mapping and Quasi-Co-Location, referred to as "PQ") parameter set. The PQ parameter set includes four sets of PQ parameters. Each set of PQ parameters includes the number of CRS ports, the position of CRS in the frequency domain, and zero-power CSI-RS (ChannelState Indication Reference Signal, referred to as "CSI-RS") configuration information, physical downlink shared channel (Physical Downlink Shared Channel, referred to as "PDSCH") start symbol and non-zero power CSI-RS configuration information. When the serving base station actually schedules the user equipment, it will add a 2-bit PQI to the downlink control signaling (Downlink control information, referred to as "DCI") sent to the user equipment to instruct the user equipment to use the above PQ Which set of parameters in the parameter set is used to demodulate the PDSCH, the user equipment can determine which REs are used for data transmission according to the indication and other parameters, and then the user equipment can demodulate the data on these REs.

With the advancement of technology, some base stations or all base stations may adopt a new version of the Long Term Evolution (LTE for short) protocol, or adopt a new carrier type. Therefore, these base stations send reference signals and control signaling The way will also change accordingly, and the existing technology cannot help the user equipment determine REs for transmitting reference signals, control signaling and data in a new network environment. For example, in the early version of the LTE protocol, CRS exists in every subframe, but in new types of carriers, CRS may only appear periodically on some subframes, and the PQ in the existing PQ parameter set The parameter only specifies the number of CRS ports, but there is no difference for each subframe, which cannot help the user equipment determine which subframes REs are used for CRS transmission. In addition, in addition to CRS, the transmission methods of other reference signals and/or control channels will also change. For example, the frequency domain position of the demodulation reference signal (Demodulation reference signal, referred to as "DMRS") will become the same as that of the early LTE version. , but there is no corresponding information of the DMRS in the existing configuration parameters. Based on the above reasons, the existing technology has been unable to help user equipment identify REs carrying reference channels, control channels, and data in the new network environment, thereby affecting the reception of data and control signaling by user equipment, and the communication between user equipment and various base stations. Normal communication cannot be performed between them, and the user experience is poor.

Contents of the invention

Embodiments of the present invention provide a resource mapping method, a base station, and user equipment, so that the user equipment can correctly identify REs bearing CRS and/or DMRS in a network environment of a new carrier type and/or a new LTE protocol version .

In a first aspect, an embodiment of the present invention provides a method for resource mapping, the method includes: determining a physical downlink shared channel resource mapping co-site PQ parameter set of a user equipment, where the PQ parameter set includes a cell-specific reference signal CRS and/or Or the parameter of the resource element RE occupied by the demodulation reference signal DMRS, the parameter of the RE occupied by the CRS includes at least one of the following: the subframe parameter occupied by the CRS, the frequency band parameter occupied by the CRS in the subframe and the The carrier type of the CRS; sending the PQ parameter set to the user equipment.

With reference to the first aspect, in a first possible implementation manner, the parameter of the subframe occupied by the CRS includes: an offset parameter of the subframe occupied by the CRS and/or a period of the subframe occupied by the CRS.

In combination with the first aspect or the first possible implementation manner of the first aspect, in a second possible implementation manner, the parameters of the REs occupied by the DMRS include at least one of the following: The number, the starting position of the time domain occupied by the DMRS, the starting position of the frequency domain occupied by the DMRS, the pattern of the REs occupied by the DMRS, and the type of the carrier carrying the DMRS.

In combination with the first aspect or the first or second possible implementation of the first aspect, in a third possible implementation, the PQ parameter set further includes at least one of the following parameters: a physical broadcast channel PBCH The parameters of the occupied REs, the parameters of the REs occupied by the physical multicast channel PMCH, the parameters of the REs occupied by the physical control format indication channel PCFICH, the parameters of the REs occupied by the positioning reference signal PRS, the parameters of the REs occupied by the primary synchronization signal PSS and the secondary Parameters of the RE occupied by the synchronization signal SSS.

In combination with the first aspect or the first or second or third possible implementation of the first aspect, in a fourth possible implementation, the method further includes: sending a physical downlink shared channel to the user equipment Resource mapping co-site indication PQI, the PQI is used to indicate the sequence number of the PQ parameter used by the user equipment in the PQ parameter set, so that the user equipment can determine to receive the CRS and/or receive the DMRS according to the PQ parameter of the sequence number The location of the RE.

In a second aspect, an embodiment of the present invention provides a method for resource mapping, the method includes: receiving a physical downlink shared channel resource mapping co-site PQ parameter set sent by a base station, the PQ parameter set includes a cell-specific reference signal CRS and/or Or the parameter of the resource element RE occupied by the demodulation reference signal DMRS, the parameter of the RE occupied by the CRS includes at least one of the following: the subframe parameter occupied by the CRS, the frequency band parameter occupied by the CRS in the subframe and the The carrier type of the CRS; store the PQ parameter set.

With reference to the second aspect, in a first possible implementation manner, the parameter of the subframe occupied by the CRS includes: an offset parameter of the subframe occupied by the CRS and/or a period of the subframe occupied by the CRS.

In combination with the second aspect or the first possible implementation manner of the second aspect, in the second possible implementation manner, the parameters of the REs occupied by the DMRS include at least one of the following: The number, the starting position of the time domain occupied by the DMRS, the starting position of the frequency domain occupied by the DMRS, the pattern of the REs occupied by the DMRS, and the type of the carrier carrying the DMRS.

In combination with the second aspect or the first or second possible implementation manner of the second aspect, in a third possible implementation manner, the PQ parameter set further includes at least one of the following parameters: a physical broadcast channel PBCH The parameters of the occupied REs, the parameters of the REs occupied by the physical multicast channel PMCH, the parameters of the REs occupied by the physical control format indication channel PCFICH, the parameters of the REs occupied by the positioning reference signal PRS, the parameters of the REs occupied by the primary synchronization signal PSS and the secondary Parameters of the RE occupied by the synchronization signal SSS.

In combination with the second aspect or the first or second or third possible implementation of the second aspect, in a fourth possible implementation, the method further includes: receiving the physical downlink shared channel sent by the base station Resource mapping co-site indication PQI, the PQI is used to indicate the sequence number of the PQ parameter used by the user equipment in the PQ parameter set; according to the PQ parameter of the sequence number, determine the position of the RE that receives the CRS and/or receives the DMRS.

In a third aspect, an embodiment of the present invention provides a base station, which includes: a determination module configured to determine a physical downlink shared channel resource mapping co-site PQ parameter set of a user equipment, where the PQ parameter set includes a cell-specific reference signal CRS And/or the parameters of the resource element RE occupied by the demodulation reference signal DMRS, the parameters of the RE occupied by the CRS include at least one of the following: the subframe parameter occupied by the CRS, the frequency band parameter occupied by the CRS in the subframe, and The type of the carrier carrying the CRS; a sending module, configured to send the PQ parameter set determined by the determining module to the user equipment.

With reference to the third aspect, in a first possible implementation manner, the parameter of the subframe occupied by the CRS includes: an offset parameter of the subframe occupied by the CRS and/or a period of the subframe occupied by the CRS.

In combination with the third aspect or the first possible implementation manner of the third aspect, in a second possible implementation manner, the parameters of the REs occupied by the DMRS include at least one of the following: The number, the starting position of the time domain occupied by the DMRS, the starting position of the frequency domain occupied by the DMRS, the pattern of the REs occupied by the DMRS, and the type of the carrier carrying the DMRS.

In combination with the third aspect or the first or second possible implementation manner of the third aspect, in the third possible implementation manner, the PQ parameter set further includes at least one of the following parameters: a physical broadcast channel PBCH The parameters of the occupied REs, the parameters of the REs occupied by the physical multicast channel PMCH, the parameters of the REs occupied by the physical control format indication channel PCFICH, the parameters of the REs occupied by the positioning reference signal PRS, the parameters of the REs occupied by the primary synchronization signal PSS and the secondary Parameters of the RE occupied by the synchronization signal SSS.

In combination with the third aspect or the first or second or third possible implementation manner of the third aspect, in a fourth possible implementation manner, the sending module is further configured to send the physical downlink shared Channel resource mapping co-site indication PQI, the PQI is used to indicate the sequence number of the PQ parameter used by the user equipment in the PQ parameter set, so that the user equipment can determine to receive the CRS and/or receive the CRS according to the PQ parameter of the sequence number. The location of the RE of the DMRS.

In a fourth aspect, an embodiment of the present invention provides a user equipment, which includes: a receiving module, configured to receive a physical downlink shared channel resource mapping co-site PQ parameter set sent by a base station, and the PQ parameter set includes a cell-specific reference The parameters of the resource element RE occupied by the signal CRS and/or the demodulation reference signal DMRS, the parameters of the RE occupied by the CRS include at least one of the following: the subframe parameters occupied by the CRS, the frequency band occupied by the CRS in the subframe Parameters and the type of the carrier carrying the CRS; a storage module for storing the PQ parameter set received by the receiving module.

With reference to the fourth aspect, in a first possible implementation manner, the parameter of the subframe occupied by the CRS includes: an offset parameter of the subframe occupied by the CRS and/or a period of the subframe occupied by the CRS.

In combination with the fourth aspect or the first possible implementation manner of the fourth aspect, in a second possible implementation manner, the parameters of the REs occupied by the DMRS include at least one of the following: The number, the starting position of the time domain occupied by the DMRS, the starting position of the frequency domain occupied by the DMRS, the pattern of the REs occupied by the DMRS, and the type of the carrier carrying the DMRS.

In combination with the fourth aspect or the first or second possible implementation manner of the fourth aspect, in a third possible implementation manner, the PQ parameter set further includes at least one of the following parameters: a physical broadcast channel PBCH The parameters of the occupied REs, the parameters of the REs occupied by the physical multicast channel PMCH, the parameters of the REs occupied by the physical control format indication channel PCFICH, the parameters of the REs occupied by the positioning reference signal PRS, the parameters of the REs occupied by the primary synchronization signal PSS and the secondary Parameters of the RE occupied by the synchronization signal SSS.

In combination with the fourth aspect or in combination with the first, second, or third possible implementation of the fourth aspect, in the fourth possible implementation, the receiving module is further configured to receive the physical downlink sharing information sent by the base station Channel resource mapping co-site indication PQI, the PQI is used to indicate the serial number of the PQ parameter used by the user equipment in the PQ parameter set; the user equipment also includes: a determining module, used for receiving according to the PQ of the serial number received by the receiving module parameter to determine the position of the RE that receives the CRS and/or receives the DMRS.

Based on the above technical solution, the resource mapping method, the base station and the user equipment in the embodiment of the present invention indicate to send the configuration information of the RE occupied by the CRS and/or DMRS to the user equipment by adding a new parameter in the PQ parameter set, so that The user equipment can correctly identify the REs carrying the CRS and/or DMRS in the network environment of the new carrier type and/or the new LTE protocol version, and can further determine the REs used to transmit data, so that the base station and the user equipment Communication between them can be normal, which improves the user experience.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments of the present invention or in the description of the prior art. Obviously, the accompanying drawings described below are only illustrations of the present invention For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic flowchart of a method for resource mapping according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a subframe periodically occupied by a CRS according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a pattern of REs occupied by a DMRS according to an embodiment of the present invention.

Fig. 4 is another schematic flowchart of a method for resource mapping according to an embodiment of the present invention.

Fig. 5 is a schematic flowchart of a method for resource mapping according to another embodiment of the present invention.

Fig. 6 is another schematic flowchart of a resource mapping method according to another embodiment of the present invention.

Fig. 7 is a schematic block diagram of a base station according to an embodiment of the present invention.

Fig. 8 is a schematic block diagram of user equipment according to an embodiment of the present invention.

Fig. 9 is another schematic block diagram of user equipment according to an embodiment of the present invention.

Fig. 10 is a schematic block diagram of a base station according to another embodiment of the present invention.

Fig. 11 is a schematic block diagram of user equipment according to another embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

It should be understood that the technical solutions of the embodiments of the present invention can be applied to various coordinated multi-point communication systems, for example, Global System of Mobile communication (Global System of Mobile communication, referred to as "GSM") system, Code Division Multiple Access (Code Division Multiple Access , referred to as "CDMA") system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, referred to as "WCDMA") system, General Packet Radio Service (General Packet Radio Service, referred to as "GPRS"), Long Term Evolution (Long Term Evolution) Term Evolution, referred to as "LTE") system, LTE Frequency Division Duplex (Frequency Division Duplex, referred to as "FDD") system, LTE Time Division Duplex (Time Division Duplex, referred to as "TDD"), Universal Mobile Communication System (Universal MobileTelecommunication System, referred to as "UMTS"), Worldwide Interoperability for Microwave Access (referred to as "WiMAX") communication system, etc. It should also be understood that the embodiments of the present invention may be applicable to various coordinated multi-point technologies, for example: dynamic point selection technology (Dynamic Point Selection), joint transmission technology (Joint Transmission), joint scheduling technology (Cooperative Scheduling), joint beamforming Technology (Cooperative Beamforming), etc.

It should also be understood that in this embodiment of the present invention, a user equipment (User Equipment, referred to as "UE") may be referred to as a terminal (Terminal), a mobile station (Mobile Station, referred to as "MS"), a mobile terminal (Mobile Terminal ), etc., the user equipment can communicate with one or more core networks via the radio access network (Radio Access Network, referred to as "RAN"), for example, the user equipment can be a mobile phone (or called a "cellular" phone), Computers with mobile terminals, etc., for example, user equipment can also be portable, pocket, hand-held, computer built-in or vehicle-mounted mobile devices, which exchange voice and/or data with the wireless access network.

It should also be understood that in the embodiment of the present invention, the base station may be a base station (Base Transceiver Station, "BTS" for short) in GSM or CDMA, or a base station (NodeB) in WCDMA, or a base station in LTE. An evolved base station (evolved Node B, referred to as "eNB" or "e-NodeB") is not limited in the present invention.

FIG. 1 shows a schematic flowchart of a resource mapping method 100 according to an embodiment of the present invention. The method may be performed by a serving base station of a user equipment. As shown in FIG. 1 , the method 100 includes:

S110. Determine the physical downlink shared channel resource mapping co-site PQ parameter set of the user equipment, the PQ parameter set includes the parameters of the resource element RE occupied by the cell-specific reference signal CRS and/or the demodulation reference signal DMRS, and the RE occupied by the CRS The parameters include at least one of the following: the subframe parameters occupied by the CRS, the frequency band parameters occupied by the CRS in the subframe, and the type of carrier carrying the CRS;

S120. Send the PQ parameter set to the user equipment.

Therefore, in the resource mapping method of the embodiment of the present invention, a new parameter is added to the PQ parameter set to indicate the configuration information of REs occupied by sending CRS and/or DMRS to the user equipment, so that the user equipment can use the new carrier type and/or the network environment of the new LTE protocol version to correctly identify REs that carry CRS and/or DMRS, and to further determine the REs used to transmit data, so that normal communication between the base station and user equipment can be performed, and user equipment can be improved. experience.

In the embodiment of the present invention, the PQ parameter set may include at least one set of PQ parameters, wherein each set of PQ parameters in the at least one set of PQ parameters may include the number of antenna ports of the CRS, the position of the CRS in the frequency domain, the zero power The configuration information of CSI-RS, the start symbol of PDSCH and the configuration information of non-zero power CSI-RS, wherein the number of ports of the CRS can be 1, 2 or 4, and the position of the CRS in the frequency domain is used to indicate that the CRS is in each The offset value in a physical resource block (Physical Resource Block, referred to as "PRB"), the configuration information of zero-power CSI-RS and the configuration information of non-zero-power CSI-RS are used to indicate the RE occupied by the CSI-RS information. The start symbol of PDSCH is used to indicate the start Orthogonal Frequency Division Multiplexing (Orthogonal Frequency Division Multiplexing, referred to as "OFDM") symbol occupied by PDSCH in each PRB. Optionally, the OFDM symbol can be 0, 1 , 2 or 3, but the embodiment of the present invention is not limited thereto.

In addition, optionally, one or more sets of PQ parameters in the at least one set of PQ parameters may further include parameters of REs occupied by CRSs and/or DMRSs. Optionally, when the serving base station of the user equipment and all coordinated base stations transmit DMRS on the same RE, and at least one base station of the serving base station and all coordinated base stations only transmits CRS on some subframes, the PQ parameter One or more sets of PQ parameters in the set may include parameters used to indicate subframe information occupied by the CRS, specifically, may include at least one of the following: parameters of the subframe occupied by the CRS, parameters of the CRS in the subframe Occupied frequency band parameters and the type of carrier carrying the CRS.

Optionally, when the serving base station of the user equipment and all coordinated base stations send CRSs on all subframes, and the serving base station and at least one of all coordinated base stations send DMRSs, the REs occupied by other base stations to send DMRSs If the REs are different, or the REs occupied by the serving base station and all the coordinated base stations for sending DMRS are different, one or more sets of PQ parameters in the PQ parameter set may include the parameters of the REs occupied by the DMRS.

Optionally, when the serving base station of the user equipment and at least one base station of all coordinated base stations only transmit CRS on some subframes, and the serving base station and one or more base stations of all coordinated base stations transmit the REs occupied by DMRS When the REs occupied by other base stations to transmit DMRS are different, one or more sets of PQ parameters in the PQ parameter set may include the parameters of the REs occupied by the DMRS and at least one of the following parameters: the subframe parameters occupied by the CRS, The parameters of the frequency band occupied by the CRS in the subframe and the type of the carrier carrying the CRS.

Wherein, optionally, one or more sets of PQ parameters in the PQ parameter set may include parameters of the subframe occupied by the CRS and parameters of the frequency band occupied by the CRS in the subframe, and the user equipment according to the subframe occupied by the CRS and The frequency band parameter occupied by the CRS on the subframe can determine the position of the PRB occupied by the CRS, and then the user equipment can determine the location of the CRS in the frequency domain and the number of antenna ports for transmitting the CRS. The REs occupied by the PRB are used to determine the REs occupied by the CRS on the entire frequency band, but this embodiment of the present invention is not limited thereto.

Optionally, as another embodiment, when the serving base station and all coordinated base stations send the CRS to the user equipment in the same subframe, the user equipment side may preset the subframe occupied by the CRS, and the PQ parameter set At least one set of PQ parameters can include the frequency band occupied by the CRS on the subframe. When the user equipment receives the PQ parameter set, it can The frequency band occupied by the subframe determines the RE occupied by the CRS, but the embodiment of the present invention is not limited thereto. Optionally, when the serving base station and at least one of the coordinated base stations and other base stations transmit the CRS to the user equipment in different subframes, but the CRS occupies the same frequency band position on the subframe, the PQ parameter set At least one set of PQ parameter sets may include subframes occupied by CRS, and the user equipment may determine the REs occupied by CRS according to the subframes occupied by CRS in the PQ parameter set and the preset frequency band occupied by CRS on the subframe, but The embodiments of the present invention are not limited thereto.

Optionally, as another embodiment, when the carrier type used by the serving base station and all coordinated base stations is determined and the subframe carrying the CRS on the carrier and the frequency band of the CRS on the subframe are fixed, the base station and the user equipment can The corresponding relationship between the carrier type and the subframe occupied by the CRS and the frequency band occupied by the CRS on the subframe is stored in advance, and one or more sets of PQ parameters in the PQ parameter set sent by the serving base station of the user equipment to the user equipment may include the The type of the carrier. According to the type of the carrier, the user equipment can query the pre-stored correspondence to determine the subframe occupied by the CRS and the frequency band occupied by the subframe, and then determine the RE occupied by the CRS. However, this embodiment of the present invention does not limited to this.

Optionally, in this embodiment of the present invention, when the subframes occupied by the CRS are periodically distributed, the parameters of the subframes occupied by the CRS may include: an offset parameter of the subframe occupied by the CRS and/or The period of the subframe. Wherein, the offset parameter may be the offset value of the subframe occupied by the CRS from the first subframe in the period in each period. For example, as shown in FIG. 2 , it is assumed that point A is the serving base station of the user equipment , point B is the coordinated base station of the user equipment, and the PQ parameter set may include two sets of PQ parameters. Wherein, the first set of PQ parameters in the PQ parameter set corresponds to point A, the period of the CRS is 5 subframes, and the offset value is 1, then the CRS in the first set of parameters appears at points 1, 6, 11, In the subframe No. 16...; the second set of PQ parameters corresponds to point B, and its CRS cycle is also 5 subframes, and the offset value is 4, then the CRS in the second set of parameters appears at the 3rd, 8th, 13th, and 18th ... in subframes. Optionally, when the number of subframes occupied by the CRS is small, the parameter of the subframes occupied by the CRS may also include the sequence number of the subframe, but this embodiment of the present invention is not limited thereto.

Optionally, in this embodiment of the present invention, when the DMRS appears in each subframe, and the subcarriers and OFDM symbols occupied by different base stations to send the DMRS to the user equipment in the subframe are different, the DMRS occupied The parameters of the RE may include at least one of the following: the number of antenna ports corresponding to the DMRS, the starting position of the time domain occupied by the DMRS, the starting position of the frequency domain occupied by the DMRS, and the resource element pattern used by the DMRS and the type of carrier carrying the DMRS. Wherein, when the parameters of the RE occupied by the DMRS include the number of antenna ports corresponding to the DMRS, the start position of the time domain occupied by the DMRS, and the start position of the frequency domain occupied by the DMRS, the frequency domain occupied by the DMRS and the start position of the time domain, the user equipment can determine the start position of the RE occupied by the DMRS in each PRB; and according to the number of antenna ports corresponding to the DMRS, the user equipment can determine the DMRS in each PRB For example, when the number of antenna ports corresponding to the DMRS is 1, the user equipment may determine that the DMRS occupies 6 REs on each PRB, thereby determining the REs occupied by the DMRS on the entire frequency band, But the embodiments of the present invention are not limited thereto. Optionally, when one or two of the above three parameters of the above three parameters of the RE occupied by the serving base station and all coordinated base stations are the same, the user equipment can preset the same one or two parameters, and the PQ parameter The set includes different parameters corresponding to the base stations among the above three parameters, and the user equipment can determine the REs occupied by the DMRS according to the PQ parameter set and preset parameters.

Optionally, as another embodiment, the base station and the user equipment can preset multiple patterns of REs occupied by DMRSs and number the multiple patterns. Correspondingly, the base station can send the PQ parameter set to the user equipment Including the number of the pattern of the RE occupied by the DMRS, the user equipment can determine the RE occupied by the DMRS by comparing the preset pattern. For example, as shown in FIG. 3, the base station and the user equipment preset two patterns of REs occupied by the DMRS, and number the left pattern in FIG. 3 as pattern 1, and number the right pattern as pattern 2. Optionally, the base station includes parameter pattern 1 or pattern 2 in the PQ parameter set, and the user equipment can compare the parameters with the patterns in FIG. 3 to determine the REs occupied by the DMRS, but the embodiment of the present invention is not limited thereto.

Optionally, as another embodiment, when the carrier types corresponding to the serving base station and all coordinated base stations are fixed, and the REs occupied by sending DMRS in the carrier type are fixed, the parameters of the REs occupied by the DMRS may include the type of the carrier The user equipment can determine the REs occupied by the DMRS corresponding to the PQ parameter set by pre-storing the correspondence between the type of the carrier and the REs occupied by the DMRS, but the embodiment of the present invention is not limited thereto.

Optionally, as another embodiment, when the serving base station and at least one base station among all coordinated base stations transmit reference signals other than the above-mentioned CRS and DMRS or the RE occupied by the control channel is different from other base stations, the PQ parameter The set may further include parameters indicating REs occupied by other reference signals or control channels, where the control channel may include a physical broadcast channel (Physical Broadcast Channel, referred to as "PBCH"), a physical multicast channel (PhysicalMulticast Channel, referred to as "PMCH") and Physical Control Format Indicator Channel (Physical Control Format Indicator Channel, referred to as "PCFICH"), etc., the other reference signals may include positioning reference signal (Positioning Reference Signal, referred to as "PRS"), primary synchronization signal (Primary Synchronization Signal, "PSS" for short) and Secondary Synchronization Signal (Secondary Synchronization Signal, "SSS" for short), etc., but the embodiment of the present invention is not limited thereto. Specifically, the PQ parameter set may also include at least one of the following parameters: parameters of REs occupied by the physical broadcast channel PBCH, parameters of REs occupied by the physical multicast channel PMCH, and parameters of REs occupied by the physical control format indication channel PCFICH , the parameters of the REs occupied by the positioning reference signal PRS, the parameters of the REs occupied by the primary synchronization signal PSS, and the parameters of the REs occupied by the secondary synchronization signal SSS.

Optionally, the parameters of the REs occupied by other reference signals or control channels may include at least one of the following: the start position in the time domain, the start position in the frequency domain, and the Types of carriers of other reference signals or control channels, for example, one or more sets of PQ parameters in the PQ parameter set include the start position in the time domain and the start position in the frequency domain occupied by the PRS, but this embodiment of the present invention does not limited to this.

Therefore, in the resource mapping method of the embodiment of the present invention, a new parameter is added to the PQ parameter set to indicate the configuration information of REs occupied by sending CRS and/or DMRS to the user equipment, so that the user equipment can use the new carrier type and/or the network environment of the new LTE protocol version to correctly identify REs that carry CRS and/or DMRS, and to further determine the REs used to transmit data, so that normal communication between the base station and user equipment can be performed, and user equipment can be improved. experience. In addition, when the serving base station and at least one base station among all coordinated base stations send the other reference signal or the RE occupied by the control channel is different from other base stations, a new parameter is added to the PQ parameter set to indicate that the other reference signal is sent to the user equipment. REs for signals or control channels, so that the user equipment can correctly determine REs for receiving other reference signals or control channels, and thus can more accurately determine REs for receiving data.

When the serving base station needs to schedule the user equipment, it can send a PQI to the user equipment, where the PQI is used to indicate which set of PQ parameters in the PQ parameter set the user equipment uses. Therefore, optionally, as another embodiment, as shown in FIG. 4, the method 100 further includes:

S130. Send the physical downlink shared channel resource mapping co-site indication PQI to the user equipment, where the PQI is used to indicate the sequence number of the PQ parameter used by the user equipment in the PQ parameter set, so that the user equipment uses the PQ parameter according to the sequence number , determine the position of the RE that receives the CRS and/or receives the DMRS.

Wherein, the serving base station may carry the PQI in the DCI sent to the user equipment, or may send the PQI to the user equipment separately, and the embodiment of the present invention is not limited thereto. When the user equipment receives the serial number of the PQ parameter indicated by the PQI, it can determine which set of PQ parameters in the PQ parameter set to use, and then according to the set of PQ parameters and other preset parameters, it can determine to receive the CRS and/or The position of the RE of the DMRS, and then determine the position of the RE that receives the data. For example, the PQ parameter set sent by the serving base station to the user equipment includes 4 sets of PQ parameters, and the PQI sent by the serving base station to the user equipment indicates that the user equipment uses the second set of PQ parameters, and the second set of PQ parameters includes bearer The carrier type of CRS and DMRS, the user equipment can determine the position of the RE occupied by this type of carrier to send CRS and DMRS according to the pre-stored correspondence, and then determine the RE occupied by this carrier to send data, but the embodiment of the present invention does not limited to this.

Therefore, in the resource mapping method of the embodiment of the present invention, a new parameter is added to the PQ parameter set to indicate the configuration information of REs occupied by sending CRS and/or DMRS to the user equipment, so that the user equipment can use the new carrier type and/or the network environment of the new LTE protocol version to correctly identify REs that carry CRS and/or DMRS, and to further determine the REs used to transmit data, so that normal communication between the base station and user equipment can be performed, and user equipment can be improved. experience.

The resource mapping method of the embodiment of the present invention is described in detail from the perspective of the base station in conjunction with FIG. 1 and FIG. 4 above. The resource mapping method of the embodiment of the present invention will be described in detail below in conjunction with FIG. 5 and FIG. 6 from the perspective of the user equipment. method.

FIG. 5 shows a schematic flowchart of a resource mapping method 200 according to another embodiment of the present invention. The method may be executed by a user equipment. As shown in FIG. 5, the method 200 includes:

S210, receiving the physical downlink shared channel resource mapping co-site PQ parameter set sent by the base station, the PQ parameter set includes the parameters of the resource element RE occupied by the cell-specific reference signal CRS and/or the demodulation reference signal DMRS, and the RE occupied by the CRS The parameters include at least one of the following: the subframe parameters occupied by the CRS, the frequency band parameters occupied by the CRS in the subframe, and the type of carrier carrying the CRS;

S220. Store the PQ parameter set.

Therefore, in the resource mapping method of the embodiment of the present invention, a new parameter is added to the PQ parameter set to indicate the configuration information of REs occupied by sending CRS and/or DMRS to the user equipment, so that the user equipment can use the new carrier type and/or the network environment of the new LTE protocol version to correctly identify REs that carry CRS and/or DMRS, and to further determine the REs used to transmit data, so that normal communication between the base station and user equipment can be performed, and user equipment can be improved. experience.

In the embodiment of the present invention, the PQ parameter set may include at least one set of PQ parameters, wherein each set of PQ parameters in the at least one set of PQ parameters may include the number of antenna ports of the CRS, the position of the CRS in the frequency domain, the zero power CSI-RS configuration information, PDSCH start symbol and non-zero power CSI-RS configuration information. In addition, optionally, one or more sets of PQ parameters in the at least one set of PQ parameters may further include parameters of REs occupied by CRSs and/or DMRSs.

Optionally, one or more sets of PQ parameters in the PQ parameter set may include parameters of REs occupied by the DMRS and at least one of the following parameters: parameters of the subframe occupied by the CRS, parameters of the CRS occupied in the subframe Frequency band parameters and the type of carrier carrying the CRS. Wherein, optionally, the parameter of the subframe occupied by the CRS includes: an offset parameter of the subframe occupied by the CRS and/or a period of the subframe occupied by the CRS.

Optionally, as another embodiment, the parameter of the RE occupied by the DMRS includes at least one of the following: the number of antenna ports corresponding to the DMRS, the starting position of the time domain occupied by the DMRS, the frequency The starting position of the field, the pattern of REs occupied by the DMRS, and the type of the carrier carrying the DMRS.

Optionally, as another embodiment, the PQ parameter set may further include a parameter indicating the RE occupied by the other reference signal or control channel. Specifically, the PQ parameter set further includes at least one of the following parameters: physical broadcast The parameters of the REs occupied by the channel PBCH, the parameters of the REs occupied by the physical multicast channel PMCH, the parameters of the REs occupied by the physical control format indication channel PCFICH, the parameters of the REs occupied by the positioning reference signal PRS, and the parameters of the REs occupied by the primary synchronization signal PSS and the parameters of REs occupied by the secondary synchronization signal SSS.

Optionally, as shown in FIG. 6, the method 200 also includes:

S230. Receive the physical downlink shared channel resource mapping co-site indication PQI sent by the base station, where the PQI is used to indicate the serial number of the PQ parameter used by the user equipment in the PQ parameter set;

S240. Determine the position of the RE that receives the CRS and/or receives the DMRS according to the PQ parameter of the sequence number.

Therefore, in the resource mapping method of the embodiment of the present invention, a new parameter is added to the PQ parameter set to indicate the configuration information of REs occupied by sending CRS and/or DMRS to the user equipment, so that the user equipment can use the new carrier type and/or the network environment of the new LTE protocol version to correctly identify REs that carry CRS and/or DMRS, and to further determine the REs used to transmit data, so that normal communication between the base station and user equipment can be performed, and user equipment can be improved. experience.

The resource mapping method according to the embodiment of the present invention is described in detail above with reference to FIG. 1 to FIG. 6 . The base station and user equipment according to the embodiment of the present invention will be described below in conjunction with FIG. 7 to FIG. 9 .

FIG. 7 shows a schematic block diagram of a base station 300 according to an embodiment of the present invention. As shown in FIG. 7, the base station 300 includes:

The determination module 310 is configured to determine the physical downlink shared channel resource mapping co-site PQ parameter set of the user equipment, the PQ parameter set includes the parameters of the resource elements RE occupied by the cell-specific reference signal CRS and/or the demodulation reference signal DMRS, the The parameters of the REs occupied by the CRS include at least one of the following: parameters of the subframe occupied by the CRS, parameters of the frequency band occupied by the CRS in the subframe, and types of carriers carrying the CRS;

A sending module 320, configured to send the PQ parameter set determined by the determining module 310 to the user equipment.

Therefore, the base station in the embodiment of the present invention indicates configuration information of REs occupied by sending CRS and/or DMRS to the user equipment by adding new parameters to the PQ parameter set, so that the user equipment can operate on the new carrier type and/or In the network environment of the new LTE protocol version, the REs carrying CRS and/or DMRS can be correctly identified, and the REs used for data transmission can be further determined, so that the normal communication between the base station and the user equipment can be performed, and the user experience is improved.

Optionally, in this embodiment of the present invention, the PQ parameter set may include at least one set of PQ parameters, where each set of PQ parameters in the at least one set of PQ parameters may include the number of antenna ports of the CRS, the CRS in the frequency domain The location of the zero-power CSI-RS, the configuration information of the zero-power CSI-RS, the start symbol of the PDSCH and the configuration information of the non-zero-power CSI-RS. In addition, optionally, one or more sets of PQ parameters in the at least one set of PQ parameters may further include parameters of REs occupied by CRSs and/or DMRSs.

Optionally, one or more sets of PQ parameters in the PQ parameter set may include parameters of REs occupied by the DMRS and at least one of the following parameters: parameters of the subframe occupied by the CRS, parameters of the CRS occupied in the subframe Frequency band parameters and the type of carrier carrying the CRS. Wherein, optionally, the parameter of the subframe occupied by the CRS includes: an offset parameter of the subframe occupied by the CRS and/or a period of the subframe occupied by the CRS.

Optionally, as another embodiment, the parameter of the RE occupied by the DMRS includes at least one of the following: the number of antenna ports corresponding to the DMRS, the starting position of the time domain occupied by the DMRS, the frequency The starting position of the field, the pattern of REs occupied by the DMRS, and the type of the carrier carrying the DMRS.

Optionally, as another embodiment, the PQ parameter set may further include a parameter indicating the RE occupied by the other reference signal or control channel. Specifically, the PQ parameter set further includes at least one of the following parameters: physical broadcast The parameters of the REs occupied by the channel PBCH, the parameters of the REs occupied by the physical multicast channel PMCH, the parameters of the REs occupied by the physical control format indication channel PCFICH, the parameters of the REs occupied by the positioning reference signal PRS, and the parameters of the REs occupied by the primary synchronization signal PSS and the parameters of REs occupied by the secondary synchronization signal SSS.

Optionally, as another embodiment, the sending module 320 is further configured to send a physical downlink shared channel resource mapping co-site indication PQI to the user equipment, where the PQI is used to indicate that the PQ parameter used by the user equipment is in the PQ parameter The sequence number in the set, so that the user equipment can determine the position of the RE that receives the CRS and/or receives the DMRS according to the PQ parameter of the sequence number.

Therefore, the base station in the embodiment of the present invention indicates configuration information of REs occupied by sending CRS and/or DMRS to the user equipment by adding new parameters to the PQ parameter set, so that the user equipment can operate on the new carrier type and/or In the network environment of the new LTE protocol version, the REs carrying CRS and/or DMRS can be correctly identified, and the REs used for data transmission can be further determined, so that the normal communication between the base station and the user equipment can be performed, and the user experience is improved.

It should be understood that the base station 300 according to the embodiment of the present invention may correspond to the serving base station in the embodiment of the present invention, and the above-mentioned and other operations and/or functions of each module in the base station 300 are respectively in order to realize each of FIG. 1 to FIG. 4 For the sake of brevity, the corresponding flow of the method will not be repeated here.

FIG. 8 shows a schematic block diagram of a user equipment 400 according to an embodiment of the present invention. As shown in FIG. 8, the user equipment 400 includes:

The receiving module 410 is configured to receive the physical downlink shared channel resource mapping co-site PQ parameter set sent by the base station, the PQ parameter set includes the parameters of the resource element RE occupied by the cell-specific reference signal CRS and/or the demodulation reference signal DMRS, the The parameters of the REs occupied by the CRS include at least one of the following: parameters of the subframe occupied by the CRS, parameters of the frequency band occupied by the CRS in the subframe, and types of carriers carrying the CRS;

The storage module 420 is configured to store the PQ parameter set received by the receiving module 410 .

Therefore, the user equipment in the embodiment of the present invention indicates configuration information of REs occupied by sending CRS and/or DMRS to the user equipment by adding new parameters in the PQ parameter set, so that the user equipment can operate on the new carrier type and/or In the network environment of the new LTE protocol version, the REs carrying CRS and/or DMRS can be correctly identified, and the REs used for data transmission can be further determined, so that the normal communication between the base station and the user equipment can be performed, and the user experience can be improved.

Optionally, in this embodiment of the present invention, the PQ parameter set may include at least one set of PQ parameters, where each set of PQ parameters in the at least one set of PQ parameters may include the number of antenna ports of the CRS, the CRS in the frequency domain The location of the zero-power CSI-RS, the configuration information of the zero-power CSI-RS, the start symbol of the PDSCH and the configuration information of the non-zero-power CSI-RS. In addition, optionally, one or more sets of PQ parameters in the at least one set of PQ parameters may further include parameters of REs occupied by CRSs and/or DMRSs.

Optionally, one or more sets of PQ parameters in the PQ parameter set may include parameters of REs occupied by the DMRS and at least one of the following parameters: parameters of the subframe occupied by the CRS, parameters of the CRS occupied in the subframe Frequency band parameters and the type of carrier carrying the CRS. Wherein, optionally, the parameter of the subframe occupied by the CRS includes: an offset parameter of the subframe occupied by the CRS and/or a period of the subframe occupied by the CRS.

Optionally, as another embodiment, the parameter of the RE occupied by the DMRS includes at least one of the following: the number of antenna ports corresponding to the DMRS, the starting position of the time domain occupied by the DMRS, the frequency The starting position of the field, the pattern of REs occupied by the DMRS, and the type of the carrier carrying the DMRS.

Optionally, as another embodiment, the PQ parameter set may further include a parameter indicating the RE occupied by the other reference signal or control channel. Specifically, the PQ parameter set further includes at least one of the following parameters: physical broadcast The parameters of the REs occupied by the channel PBCH, the parameters of the REs occupied by the physical multicast channel PMCH, the parameters of the REs occupied by the physical control format indication channel PCFICH, the parameters of the REs occupied by the positioning reference signal PRS, and the parameters of the REs occupied by the primary synchronization signal PSS and the parameters of REs occupied by the secondary synchronization signal SSS.

Optionally, as another embodiment, the receiving module 410 is further configured to receive a physical downlink shared channel resource mapping co-site indication PQI sent by the base station, where the PQI is used to indicate that the PQ parameter used by the user equipment is included in the PQ parameter set serial number in

Correspondingly, as shown in FIG. 9, the user equipment 400 further includes:

The determining module 430 is configured to determine the position of the RE receiving the CRS and/or receiving the DMRS according to the PQ parameter of the serial number received by the receiving module 410 .

Therefore, the user equipment in the embodiment of the present invention indicates configuration information of REs occupied by sending CRS and/or DMRS to the user equipment by adding new parameters in the PQ parameter set, so that the user equipment can operate on the new carrier type and/or In the network environment of the new LTE protocol version, the REs carrying CRS and/or DMRS can be correctly identified, and the REs used for data transmission can be further determined, so that the normal communication between the base station and the user equipment can be performed, and the user experience can be improved.

It should be understood that the user equipment 400 according to the embodiment of the present invention may correspond to the user equipment in the embodiment of the present invention, and the above-mentioned and other operations and/or functions of each module in the user equipment 400 are respectively in order to realize the For the sake of brevity, the corresponding processes of each method are not repeated here.

FIG. 10 shows a schematic block diagram of a base station 500 according to another embodiment of the present invention. As shown in FIG. 10, the base station 500 includes:

The processor 510 is configured to determine a physical downlink shared channel resource mapping co-site PQ parameter set of the user equipment, where the PQ parameter set includes parameters of resource elements RE occupied by the cell-specific reference signal CRS and/or the demodulation reference signal DMRS, the The parameters of the REs occupied by the CRS include at least one of the following: parameters of the subframe occupied by the CRS, parameters of the frequency band occupied by the CRS in the subframe, and types of carriers carrying the CRS;

The sender 520 is configured to send the PQ parameter set determined by the processor 510 to the user equipment.

Therefore, the base station in the embodiment of the present invention indicates configuration information of REs occupied by sending CRS and/or DMRS to the user equipment by adding new parameters to the PQ parameter set, so that the user equipment can operate on the new carrier type and/or In the network environment of the new LTE protocol version, the REs carrying CRS and/or DMRS can be correctly identified, and the REs used for data transmission can be further determined, so that the normal communication between the base station and the user equipment can be performed, and the user experience is improved.

Optionally, in this embodiment of the present invention, the PQ parameter set may include at least one set of PQ parameters, where each set of PQ parameters in the at least one set of PQ parameters may include the number of antenna ports of the CRS, the CRS in the frequency domain The location of the zero-power CSI-RS, the configuration information of the zero-power CSI-RS, the start symbol of the PDSCH and the configuration information of the non-zero-power CSI-RS. In addition, optionally, one or more sets of PQ parameters in the at least one set of PQ parameters may further include parameters of REs occupied by CRSs and/or DMRSs.

Optionally, one or more sets of PQ parameters in the PQ parameter set may include parameters of REs occupied by the DMRS and at least one of the following parameters: parameters of the subframe occupied by the CRS, parameters of the CRS occupied in the subframe Frequency band parameters and the type of carrier carrying the CRS. Wherein, optionally, the parameter of the subframe occupied by the CRS includes: an offset parameter of the subframe occupied by the CRS and/or a period of the subframe occupied by the CRS.

Optionally, as another embodiment, the parameter of the RE occupied by the DMRS includes at least one of the following: the number of antenna ports corresponding to the DMRS, the starting position of the time domain occupied by the DMRS, the frequency The starting position of the field, the pattern of REs occupied by the DMRS, and the type of the carrier carrying the DMRS.

Optionally, as another embodiment, the PQ parameter set may further include a parameter indicating the RE occupied by the other reference signal or control channel. Specifically, the PQ parameter set further includes at least one of the following parameters: physical broadcast The parameters of the REs occupied by the channel PBCH, the parameters of the REs occupied by the physical multicast channel PMCH, the parameters of the REs occupied by the physical control format indication channel PCFICH, the parameters of the REs occupied by the positioning reference signal PRS, and the parameters of the REs occupied by the primary synchronization signal PSS and the parameters of REs occupied by the secondary synchronization signal SSS.

Optionally, as another embodiment, the transmitter 520 is further configured to send the physical downlink shared channel resource mapping co-site indication PQI to the user equipment, where the PQI is used to indicate that the PQ parameter used by the user equipment is in the PQ parameter The sequence number in the set, so that the user equipment can determine the position of the RE that receives the CRS and/or receives the DMRS according to the PQ parameter of the sequence number.

Therefore, the base station in the embodiment of the present invention indicates configuration information of REs occupied by sending CRS and/or DMRS to the user equipment by adding new parameters to the PQ parameter set, so that the user equipment can operate on the new carrier type and/or In the network environment of the new LTE protocol version, the REs carrying CRS and/or DMRS can be correctly identified, and the REs used for data transmission can be further determined, so that the normal communication between the base station and the user equipment can be performed, and the user experience is improved.

It should be understood that the base station 500 according to the embodiment of the present invention may correspond to the serving base station in the embodiment of the present invention, and the above-mentioned and other operations and/or functions of each module in the base station 500 are to realize each of FIG. 1 to FIG. 4 For the sake of brevity, the corresponding flow of the method will not be repeated here.

FIG. 11 shows a schematic block diagram of a user equipment 600 according to an embodiment of the present invention. As shown in FIG. 11 , the user equipment 600 includes a receiver 610, a memory 620, and a processor 630, wherein,

The receiver 610 is configured to receive a physical downlink shared channel resource mapping co-site PQ parameter set sent by the base station, where the PQ parameter set includes parameters of resource elements RE occupied by the cell-specific reference signal CRS and/or the demodulation reference signal DMRS, The parameters of the RE occupied by the CRS include at least one of the following: the subframe parameter occupied by the CRS, the frequency band parameter occupied by the CRS in the subframe, and the type of carrier carrying the CRS;

The memory 620 is configured to store the PQ parameter set received by the receiver 610;

The processor 630 is configured to execute instructions stored in the memory 620 .

Therefore, the user equipment in the embodiment of the present invention indicates configuration information of REs occupied by sending CRS and/or DMRS to the user equipment by adding new parameters in the PQ parameter set, so that the user equipment can operate on the new carrier type and/or In the network environment of the new LTE protocol version, the REs carrying CRS and/or DMRS can be correctly identified, and the REs used for data transmission can be further determined, so that the normal communication between the base station and the user equipment can be performed, and the user experience can be improved.

Optionally, in this embodiment of the present invention, the PQ parameter set may include at least one set of PQ parameters, where each set of PQ parameters in the at least one set of PQ parameters may include the number of antenna ports of the CRS, the CRS in the frequency domain The location of the zero-power CSI-RS, the configuration information of the zero-power CSI-RS, the start symbol of the PDSCH and the configuration information of the non-zero-power CSI-RS. In addition, optionally, one or more sets of PQ parameters in the at least one set of PQ parameters may further include parameters of REs occupied by CRSs and/or DMRSs.

Optionally, one or more sets of PQ parameters in the PQ parameter set may include parameters of REs occupied by the DMRS and at least one of the following parameters: parameters of the subframe occupied by the CRS, parameters of the CRS occupied in the subframe Frequency band parameters and the type of carrier carrying the CRS. Wherein, optionally, the parameter of the subframe occupied by the CRS includes: an offset parameter of the subframe occupied by the CRS and/or a period of the subframe occupied by the CRS.

Optionally, as another embodiment, the parameter of the RE occupied by the DMRS includes at least one of the following: the number of antenna ports corresponding to the DMRS, the starting position of the time domain occupied by the DMRS, the frequency The starting position of the field, the pattern of REs occupied by the DMRS, and the type of the carrier carrying the DMRS.

Optionally, as another embodiment, the PQ parameter set may further include a parameter indicating the RE occupied by the other reference signal or control channel. Specifically, the PQ parameter set further includes at least one of the following parameters: physical broadcast The parameters of the REs occupied by the channel PBCH, the parameters of the REs occupied by the physical multicast channel PMCH, the parameters of the REs occupied by the physical control format indication channel PCFICH, the parameters of the REs occupied by the positioning reference signal PRS, and the parameters of the REs occupied by the primary synchronization signal PSS and the parameters of REs occupied by the secondary synchronization signal SSS.

Optionally, as another embodiment, the receiver 610 is further configured to receive a physical downlink shared channel resource mapping co-site indication PQI sent by the base station, where the PQI is used to indicate that the PQ parameter used by the user equipment is included in the PQ parameter set serial number in

Correspondingly, the processor 630 is further configured to determine the position of the RE receiving the CRS and/or receiving the DMRS according to the PQ parameter of the serial number received by the receiver 610 .

Therefore, the user equipment in the embodiment of the present invention indicates configuration information of REs occupied by sending CRS and/or DMRS to the user equipment by adding new parameters in the PQ parameter set, so that the user equipment can operate on the new carrier type and/or In the network environment of the new LTE protocol version, the REs carrying CRS and/or DMRS can be correctly identified, and the REs used for data transmission can be further determined, so that the normal communication between the base station and the user equipment can be performed, and the user experience can be improved.

It should be understood that the user equipment 600 according to the embodiment of the present invention may correspond to the user equipment in the embodiment of the present invention, and the above-mentioned and other operations and/or functions of each module in the user equipment 600 are respectively in order to realize the For the sake of brevity, the corresponding processes of each method are not repeated here.

It should be understood that in the embodiments of the present invention, the term "and/or" is only an association relationship describing associated objects, indicating that there may be three relationships. For example, A and/or B may mean that A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this article generally indicates that the contextual objects are an "or" relationship.

Those of ordinary skill in the art can realize that, in combination with the various method steps and units described in the embodiments disclosed herein, they can be implemented by electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the possibility of hardware and software For interchangeability, in the above description, the steps and components of each embodiment have been generally described according to their functions. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those of ordinary skill in the art may use different methods to implement the described functions for each particular application, but such implementation should not be regarded as exceeding the scope of the present invention.

Those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the above-described system, device and unit can refer to the corresponding process in the foregoing method embodiment, and will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may also be electrical, mechanical or other forms of connection.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of software products, and the computer software products are stored in a storage medium Among them, several instructions are included to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, referred to as "ROM"), random access memory (Random Access Memory, referred to as "RAM"), magnetic disk or optical disc, etc. A medium on which program code can be stored.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can easily think of various equivalents within the technical scope disclosed in the present invention. Modifications or replacements shall all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (20)

1. a method for resource mapping, is characterized in that, comprising:

Determine the Physical Downlink Shared Channel resource mapping colocation site PQ parameter sets of subscriber equipment, described PQ parameter sets comprises the parameter of the resource element RE that cell special reference CRS and/or demodulated reference signal DMRS take, and the parameter of the RE that described CRS takies comprises at least one in following: the frequency range parameter that the subframe parameter that described CRS takies, described CRS take in subframe and the type of carrying the carrier wave of described CRS;

Send described PQ parameter sets to described subscriber equipment.

2. method according to claim 1, is characterized in that, the subframe parameter that described CRS takies comprises:

The cycle of the subframe that the offset parameter of the subframe that described CRS takies and/or described CRS take.

3. method according to claim 1 and 2, is characterized in that, the parameter of the RE that described DMRS takies comprises at least one in following:

The pattern of the RE that the original position of the frequency domain that the original position of the time domain that the number of the antenna port that described DMRS is corresponding, described DMRS take, described DMRS take, described DMRS take and the type of carrying the carrier wave of described DMRS.

4. according to the method in any one of claims 1 to 3, it is characterized in that, described PQ parameter sets also comprises at least one in following parameters:

The parameter of the parameter of the parameter of the parameter of the parameter of the RE that Physical Broadcast Channel PBCH takies, the RE that Physical Multicast Channel PMCH takies, the RE that Physical Control Format Indicator Channel PCFICH takies, the RE that location reference signals PRS takies, the RE that master sync signal PSS takies and the parameter of the RE that auxiliary synchronous signals SSS takies.

5. according to the method described in any one in claim 1 to 4, it is characterized in that, described method also comprises:

Send Physical Downlink Shared Channel resource mapping colocation site indication PQI to described subscriber equipment, described PQI is used to indicate PQ parameter that described subscriber equipment the uses sequence number in described PQ parameter sets, so that described subscriber equipment according to the PQ parameter of described sequence number, is determined the position that receives described CRS and/or receive the RE of described DMRS.

6. a method for resource mapping, is characterized in that, comprising:

Receive the Physical Downlink Shared Channel resource mapping colocation site PQ parameter sets that base station sends, described PQ parameter sets comprises the parameter of the resource element RE that cell special reference CRS and/or demodulated reference signal DMRS take, and the parameter of the RE that described CRS takies comprises at least one in following: the frequency range parameter that the subframe parameter that described CRS takies, described CRS take in subframe and the type of carrying the carrier wave of described CRS;

Store described PQ parameter sets.

7. method according to claim 6, is characterized in that, the subframe parameter that described CRS takies comprises:

The cycle of the subframe that the offset parameter of the subframe that described CRS takies and/or described CRS take.

8. according to the method described in claim 6 or 7, it is characterized in that, the parameter of the RE that described DMRS takies comprises at least one in following:

The pattern of the RE that the original position of the frequency domain that the original position of the time domain that the number of the antenna port that described DMRS is corresponding, described DMRS take, described DMRS take, described DMRS take and the type of carrying the carrier wave of described DMRS.

9. according to the method described in any one in claim 6 to 8, it is characterized in that, described PQ parameter sets also comprises at least one in following parameters:

The parameter of the parameter of the parameter of the parameter of the parameter of the RE that Physical Broadcast Channel PBCH takies, the RE that Physical Multicast Channel PMCH takies, the RE that Physical Control Format Indicator Channel PCFICH takies, the RE that location reference signals PRS takies, the RE that master sync signal PSS takies and the parameter of the RE that auxiliary synchronous signals SSS takies.

10. according to the method described in any one in claim 6 to 9, it is characterized in that, described method also comprises:

Receive the Physical Downlink Shared Channel resource mapping colocation site indication PQI that described base station sends, described PQI is used to indicate PQ parameter that subscriber equipment the uses sequence number in described PQ parameter sets;

According to the PQ parameter of described sequence number, determine the position that receives described CRS and/or receive the RE of described DMRS.

11. 1 kinds of base stations, is characterized in that, comprising:

Determination module, for determining the Physical Downlink Shared Channel resource mapping colocation site PQ parameter sets of subscriber equipment, described PQ parameter sets comprises the parameter of the resource element RE that cell special reference CRS and/or demodulated reference signal DMRS take, and the parameter of the RE that described CRS takies comprises at least one in following: the frequency range parameter that the subframe parameter that described CRS takies, described CRS take in subframe and the type of carrying the carrier wave of described CRS;

Sending module, the described PQ parameter sets of determining for send described determination module to described subscriber equipment.

12. base stations according to claim 11, is characterized in that, the subframe parameter that described CRS takies comprises:

The cycle of the subframe that the offset parameter of the subframe that described CRS takies and/or described CRS take.

13. according to the base station described in claim 11 or 12, it is characterized in that, the parameter of the RE that described DMRS takies comprises at least one in following:

The pattern of the RE that the original position of the frequency domain that the original position of the time domain that the number of the antenna port that described DMRS is corresponding, described DMRS take, described DMRS take, described DMRS take and the type of carrying the carrier wave of described DMRS.

14. according to claim 11 to the base station described in any one in 13, it is characterized in that, described PQ parameter sets also comprises at least one in following parameters:

The parameter of the parameter of the parameter of the parameter of the parameter of the RE that Physical Broadcast Channel PBCH takies, the RE that Physical Multicast Channel PMCH takies, the RE that Physical Control Format Indicator Channel PCFICH takies, the RE that location reference signals PRS takies, the RE that master sync signal PSS takies and the parameter of the RE that auxiliary synchronous signals SSS takies.

15. according to claim 11 to the base station described in any one in 14, it is characterized in that, described sending module is also for sending Physical Downlink Shared Channel resource mapping colocation site indication PQI to described subscriber equipment, described PQI is used to indicate PQ parameter that described subscriber equipment the uses sequence number in described PQ parameter sets, so that described subscriber equipment according to the PQ parameter of described sequence number, is determined the position that receives described CRS and/or receive the RE of described DMRS.

16. 1 kinds of subscriber equipmenies, is characterized in that, comprising:

Receiver module, the Physical Downlink Shared Channel resource mapping colocation site PQ parameter sets sending for receiving base station, described PQ parameter sets comprises the parameter of the resource element RE that cell special reference CRS and/or demodulated reference signal DMRS take, and the parameter of the RE that described CRS takies comprises at least one in following: the frequency range parameter that the subframe parameter that described CRS takies, described CRS take in subframe and the type of carrying the carrier wave of described CRS;

Memory module, the described PQ parameter sets receiving for storing described receiver module.

17. subscriber equipmenies according to claim 16, is characterized in that, the subframe parameter that described CRS takies comprises:

The cycle of the subframe that the offset parameter of the subframe that described CRS takies and/or described CRS take.

18. according to the subscriber equipment described in claim 16 or 17, it is characterized in that, the parameter of the RE that described DMRS takies comprises at least one in following:

The pattern of the RE that the original position of the frequency domain that the original position of the time domain that the number of the antenna port that described DMRS is corresponding, described DMRS take, described DMRS take, described DMRS take and the type of carrying the carrier wave of described DMRS.

19. according to claim 16 to the subscriber equipment described in any one in 18, it is characterized in that, described PQ parameter sets also comprises at least one in following parameters:

The parameter of the parameter of the parameter of the parameter of the parameter of the RE that Physical Broadcast Channel PBCH takies, the RE that Physical Multicast Channel PMCH takies, the RE that Physical Control Format Indicator Channel PCFICH takies, the RE that location reference signals PRS takies, the RE that master sync signal PSS takies and the parameter of the RE that auxiliary synchronous signals SSS takies.

20. according to claim 16 to the subscriber equipment described in any one in 19, it is characterized in that, the Physical Downlink Shared Channel resource mapping colocation site indication PQI that described receiver module also sends for receiving described base station, described PQI is used to indicate PQ parameter that subscriber equipment the uses sequence number in described PQ parameter sets;

Described subscriber equipment also comprises:

Determination module, for according to the PQ parameter of the described sequence number of described receiver module reception, determines the position that receives described CRS and/or receive the RE of described DMRS.

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