WO2020150943A1 - Procédé de transmission de signaux, dispositif terminal et dispositif de réseau - Google Patents

Procédé de transmission de signaux, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2020150943A1
WO2020150943A1 PCT/CN2019/072875 CN2019072875W WO2020150943A1 WO 2020150943 A1 WO2020150943 A1 WO 2020150943A1 CN 2019072875 W CN2019072875 W CN 2019072875W WO 2020150943 A1 WO2020150943 A1 WO 2020150943A1
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WIPO (PCT)
Prior art keywords
pusch
srs resource
transmission
configuration
resource set
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PCT/CN2019/072875
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English (en)
Chinese (zh)
Inventor
陈文洪
史志华
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201980060139.6A priority Critical patent/CN112703753B/zh
Priority to PCT/CN2019/072875 priority patent/WO2020150943A1/fr
Publication of WO2020150943A1 publication Critical patent/WO2020150943A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular to a method, terminal device, and network device for transmitting signals.
  • the terminal device can obtain the transmission parameters of the Physical Uplink Shared Channel (PUSCH) through the sounding reference signal (Sounding Reference Signal, SRS) resource set, but because the configuration of the SRS resource set can only distinguish between different The PUSCH transmission of the Multiple-Input Multiple-Output (MIMO) transmission scheme.
  • a network device configures independent SRS resource sets for codebook-based PUSCH transmission and non-codebook-based PUSCH transmission to obtain PUSCH transmission parameters.
  • the current configuration of the SRS resource set may lead to insufficient matching of the transmission parameters of the PUSCH obtained in the uplink non-coherent transmission.
  • the embodiments of the present application provide a signal transmission method, terminal equipment, and network equipment, which can well match PUSCH transmission in uplink non-coherent transmission, which is beneficial to improve the spectral efficiency of uplink transmission, thereby improving PUSCH transmission performance.
  • a signal transmission method includes: a terminal device determines a transmission parameter of a first physical uplink shared channel PUSCH according to a first SRS resource set; wherein, the first SRS resource set and the detected The first control channel association of the first downlink control information DCI, the first DCI is used to schedule the first PUSCH, or the first SRS resource set and the first PUSCH configuration parameter set used by the first PUSCH Associated.
  • a network device determines first downlink control information DCI information according to a first sounding reference signal SRS resource set; the network device sends the first DCI to a terminal device, and the first DCI uses For scheduling the first physical uplink shared channel PUSCH; wherein the first control channel used to carry the first DCI is associated with the first SRS resource set, or the first PUSCH configuration parameter set used by the first PUSCH is associated with The first SRS resource set is associated.
  • a terminal device which is used to execute the method in the foregoing first aspect or each of its implementation manners.
  • the terminal device includes a functional module for executing the method in the foregoing first aspect or each of its implementation manners.
  • a network device is provided, which is used to execute the method in the second aspect or its implementation manners.
  • the network device includes a functional module for executing the method in the foregoing second aspect or each of its implementation manners.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned first aspect or each implementation manner thereof.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory, and execute the method in the second aspect or its implementations.
  • a chip is provided, which is used to implement any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes any one of the above-mentioned first aspect to the second aspect or any of its implementation modes method.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • a computer program product including computer program instructions that cause a computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • a computer program which when running on a computer, causes the computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • the first SRS resource set used to determine the transmission parameters of the first PUSCH is associated with the first control channel or the first PUSCH configuration parameter set, so that the terminal device can be connected to the first control channel or the first PUSCH Configuring the first SRS resource set associated with the parameter set to determine the transmission parameters of the first PUSCH is beneficial to improve the matching degree of the transmission parameters of the PUSCH obtained in the uplink non-coherent transmission, thereby improving the spectral efficiency of the uplink transmission and improving the PUSCH Transmission performance.
  • Fig. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • Figure 2 shows a schematic diagram of a codebook-based PUSCH transmission process.
  • Fig. 3 shows a schematic diagram of the process of PUSCH transmission based on non-codebook.
  • Figure 4 shows a schematic diagram of the process of uplink beam management.
  • FIG. 5 is a schematic diagram of a signal transmission method provided by an embodiment of the present application.
  • Fig. 6 is another schematic diagram of a signal transmission method provided by an embodiment of the present application.
  • FIG. 7 is an interaction diagram of a signal transmission method provided by an embodiment of the present application.
  • FIGS 8a and 8b show schematic diagrams of downlink non-coherent transmission.
  • Figures 9a and 9b show schematic diagrams of uplink non-coherent transmission.
  • FIG. 10 is a schematic diagram of a scenario in which two TRPs are applicable to scheduling different PUSCHs in an embodiment of the present application.
  • FIG. 11 is a flowchart corresponding to Embodiment 1.
  • FIG. 12 is a flowchart corresponding to Embodiment 2.
  • FIG. 13 is a flowchart corresponding to Embodiment 3.
  • FIG. 14 is a flowchart corresponding to Embodiment 4.
  • FIG. 15 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 16 is a schematic block diagram of a network device provided by an embodiment of the present application.
  • FIG. 17 is another schematic block diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 18 is another schematic block diagram of a network device provided by an embodiment of the present application.
  • FIG. 19 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 20 is a schematic block diagram of a communication system 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 LTE
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • NR New Radio
  • 5G System etc.
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as sparse code multiple access (SCMA) systems, low density signatures (Low Density Signature, LDS) system, etc.
  • SCMA sparse code multiple access
  • LDS Low Density Signature
  • SCMA system and LDS system can also be called other names in the communication field; further, the technical solutions of the embodiments of this application can be applied to multi-carriers using non-orthogonal multiple access technology Transmission systems, such as non-orthogonal multiple access technology Orthogonal Frequency Division Multiplexing (OFDM), Filter Bank Multi-Carrier (FBMC), Generalized Frequency Division Multiplexing (Generalized Frequency Division Multiplexing) Frequency Division Multiplexing (GFDM), filtered orthogonal frequency division multiplexing (Filtered-OFDM, F-OFDM) systems, etc.
  • OFDM Orthogonal Frequency Division Multiplexing
  • FBMC Filter Bank Multi-Carrier
  • Generalized Frequency Division Multiplexing Generalized Frequency Division Multiplexing
  • GFDM Frequency Division Multiplexing
  • Filtered-OFDM Frequency Division Multiplexing
  • F-OFDM filtered orthogonal frequency division multiplexing
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or called a communication terminal or a terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located in the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or the wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges, routers, network devices gNB in 5G networks, or network devices in the future evolution of public land mobile networks (Public Land Mobile Network, PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNB evolved base station
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices
  • the communication system 100 further includes at least one terminal device 120 located within the coverage area of the network device 110.
  • terminal equipment includes, but is not limited to, User Equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, Terminal, wireless communication equipment, user agent or user device.
  • UE User Equipment
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the future 5G network or future evolution of the public land mobile network (Public Land Mobile Network, PLMN) Terminal equipment, etc., are not limited in the embodiment of the present invention.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminal devices 120.
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • Figure 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 having a communication function and a terminal device 120.
  • the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiment of the present application.
  • the precoding process is generally divided into two parts: analog domain processing and digital domain processing.
  • the analog domain processing generally uses beamforming to map the radio frequency signal to the physical antenna for the transmitted analog signal.
  • Digital domain processing is for digital signals, and is generally performed at baseband.
  • the digital signals are pre-coded using a pre-coding matrix, and the data of the transmission layer is mapped to the radio frequency port. Due to the limited number of radio frequency channels of the terminal equipment, two processing methods are generally used at the same time, that is, precoding the digital signal, and then shaping the analog signal by beam.
  • PUSCH transmission is divided into codebook-based transmission and non-codebook-based transmission according to different precoding methods.
  • the gNB configures a set of SRS resources dedicated to codebook transmission for the UE.
  • the UE will send SRS on multiple SRS resources in the set.
  • the SRS on each SRS resource can be sent using different beams.
  • the gNB selects the best SRS resource from them to obtain uplink channel state information (Channel State Information, CSI)
  • CSI Channel State Information
  • the resource index is indicated to the UE through an SRS Resource Indicator (SRS Resource Indicator, SRI), so that the UE uses the beam corresponding to the SRS resource to perform simulated beamforming on the data.
  • SRS Resource Indicator SRI
  • gNB will indicate rank indicator (Rank Indicator, RI), precoding matrix index (Precoding Matrix Indicator, PMI) and modulation and coding strategy (Modulation and Coding Scheme, MCS) through downlink control information (Downlink control information, DCI),
  • the UE can determine the uplink precoding matrix corresponding to the PMI from the codebook according to the RI and the PMI, and the UE can perform uplink data and demodulation reference signals (Demodulation Reference Signal, DMRS) according to the determined precoding matrix.
  • RI rank Indicator
  • PMI Precoding Matrix Indicator
  • MCS Modulation and Coding Scheme
  • non-codebook-based precoding methods can also be supported.
  • the UE can use the downlink channel information to obtain the uplink channel information to perform uplink analog beamforming and/or digital precoding.
  • the gNB does not need to indicate the relevant information of the precoding matrix, which can reduce The overhead of DCI.
  • the gNB first sends a CSI-RS, so that the UE determines the beams and precoding matrices of N layers based on the Channel State Information Reference Signal (CSI-RS).
  • CSI-RS Channel State Information Reference Signal
  • the UE uses the beams and precoding matrices of the N layers to transmit SRS resources of N single ports (ie, N SRS ports), and the N SRS resources are configured as an SRS resource set for non-codebook transmission.
  • the gNB receives the SRS resources, it measures, selects the best K SRS resources and indicates the corresponding SRI and MCS to the UE.
  • the UE determines the transmission parameters used according to the SRI, such as the number of transmission layers, precoding matrix, and simulation Beam.
  • the number of SRS resources indicated is the number of transmission layers, and the precoding matrix and analog beam used by the corresponding SRS resource are the precoding matrix and beam used by the data corresponding layer.
  • the UE may perform uplink data and demodulation reference signal (Demodulation Reference Signal, DMRS) according to the determined precoding matrix.
  • DMRS demodulation Reference Signal
  • the UE can use analog beams to transmit uplink data and uplink control information.
  • the UE can perform uplink beam management based on the SRS signal, thereby determining the analog beam used for uplink transmission.
  • the network may configure SRS resource set 1 for the UE, and the set contains N SRS resources (N>1).
  • the UE may use different beams to transmit the N SRS resources, and the gNB measures the reception quality of the N SRS resources respectively, and selects K SRS resources with the best reception quality.
  • the gNB can configure another SRS resource set 2, which includes K SRS resources, and make the UE use the analog beams used by the K SRS resources selected in the set 1 to transmit the SRS resources in the set 2.
  • the gNB can select an SRS resource with the best reception quality, and notify the UE of the corresponding SRI.
  • the UE determines the simulated beam used for the SRS resource indicated by the SRI as the simulated beam used for PUSCH/Physical Uplink Control Channel (PUCCH) transmission.
  • the SRI is indicated by the SRI indicator field in the DCI.
  • the PUCCH-spatialrelationinfo corresponding to each PUCCH resource is configured in RRC signaling, and this information field may include SRI.
  • the transmission parameters of PUSCH can be obtained through the SRS resource set.
  • the embodiment of the present application provides a signal transmission method, which can be flexibly configured by the SRS resource set. It can match the uplink channel transmission in different scenarios.
  • FIG. 5 shows a schematic block diagram of a signal transmission method 200 according to an embodiment of the present application. As shown in FIG. 4, the method 200 may be executed by a terminal device, and the method 200 includes some or all of the following content:
  • the terminal device determines the transmission parameter of the first physical uplink shared channel PUSCH according to the first SRS resource set.
  • the first SRS resource set is associated with the first control channel on which the first downlink control information DCI is detected, and the first DCI is used to schedule the first PUSCH, or the first SRS resource set is associated with the The first PUSCH configuration parameter set used by the first PUSCH is associated.
  • FIG. 6 shows a schematic block diagram of a signal transmission method 300 according to an embodiment of the present application. As shown in FIG. 5, the method 300 may be executed by a network device, and the method 200 includes some or all of the following content:
  • the network device determines information of the first downlink control information DCI according to the first sounding reference signal SRS resource set.
  • S320 The network device sends first downlink control information DCI to the terminal device, where the first DCI is used to schedule the first PUSCH.
  • the first control channel used to carry the first DCI is associated with a first sounding reference signal SRS resource set, or the first PUSCH configuration parameter set used by the first PUSCH is associated with the first SRS resource set.
  • FIG. 7 shows a schematic flowchart of a signal transmission method 400 according to an embodiment of the present application.
  • the method 400 may be implemented by interaction between a terminal device and a network device.
  • the method 400 includes some or all of the following content:
  • the network device determines information included in the first DCI, for example, at least one of SRI, RI, PMI, and MCS, according to the first SRS resource set.
  • the network device sends the first DCI to the terminal device, where the first DCI is used to schedule the first PUSCH.
  • the terminal device acquires the first control channel on which the first DCI is detected or the terminal device acquires the first PUSCH configuration parameter set of the first PUSCH;
  • the terminal device determines a first SRS resource set according to the first control channel or the first PUSCH configuration parameter set;
  • the terminal device determines the transmission parameter of the first PUSCH according to the first SRS resource set;
  • S460 The terminal device uses the transmission parameter determined in S450 to send the first PUSCH.
  • the control channel may include various control channels such as Control Resource Set (CORESET), search space, or Physical Downlink Control Channel (PDCCH).
  • CORESET Control Resource Set
  • PDCH Physical Downlink Control Channel
  • the control channel associated with the first SRS resource set may be used to carry the first DCI for scheduling the first PUSCH.
  • the PUSCH configuration parameter set and the transmission parameters of the PUSCH can be regarded as two different parameter sets of the PUSCH, where the parameters included in the PUSCH configuration parameter set and the transmission parameters of the PUSCH may be partially the same.
  • the transmission parameters of PUSCH are generally determined according to the SRS resource set, and the PUSCH configuration parameter set is generally obtained through radio resource control (Radio Resoure Control, RRC) signaling configuration, for example, through a RRC parameter field PUSCH-config to configure a PUSCH Configuration parameter set.
  • RRC Radio Resoure Control
  • the PUSCH configuration parameter set may also be obtained by detecting the first control channel of the first DCI.
  • the network side can configure an associated PUSCH configuration parameter set for each CORESET in advance, and when the terminal detects the first DCI through a CORESET, the corresponding PUSCH configuration parameter set can be obtained through this association relationship.
  • a PUSCH configuration parameter set is used to configure parameters related to PUSCH, for example, it may include at least one of the following parameters: the scrambling identification (ID) used for scrambling data carried by PUSCH, and MIMO transmission used for PUSCH Solution, PUSCH demodulation reference signal DMRS configuration, power control parameters, frequency domain frequency hopping configuration, whether to perform discrete Fourier transform (DFT) configuration, codebook subset constraint configuration, maximum number of transmission layers Configuration, transmission configuration of uplink control information (UCI) carried by PUSCH, whether to allow DFT transform ( ⁇ /2-Binary Phase Shift Keying (BPSK)) modulation configuration, PUSCH timing Domain resource configuration, PUSCH repetition times or aggregated time slots, resource block group (RBG) size used for resource allocation, and modulation and coding strategy MCS table used for data transmission.
  • ID the scrambling identification
  • DMRS configuration PUSCH demodulation reference signal
  • power control parameters frequency domain frequency hopping configuration, whether to perform discrete Fourier transform (D
  • the scrambling ID used for scrambling the data carried by the PUSCH may be, for example, a radio network temporary identity (RNTI).
  • RNTI radio network temporary identity
  • the MIMO transmission scheme used for PUSCH can include codebook-based transmission, non-codebook-based transmission, spatial multiplexing transmission based on multiple codewords, transmission based on space-time transmit diversity, transmission based on space-frequency transmit diversity, and cyclic delay based Diversity transmission, etc.
  • the configuration of DMRS of PUSCH may include at least one of the following parameters:
  • the starting DMRS symbol position is used to indicate the Orthogonal Frequency Division Multiplexing (OFDM) symbol where the first DMRS symbol (ie the earliest DMRS transmitted in the slot) is located, for example, it can be the third Or the fourth OFDM symbol.
  • OFDM Orthogonal Frequency Division Multiplexing
  • DMRS type used to indicate whether to use type (type) 1DMRS or type 2DMRS.
  • Additional DMRS positions are used to indicate the positions of OFDM symbols occupied by DMRS other than the basic DMRS.
  • the number of OFDM symbols occupied by the basic DMRS can be 1 or 2.
  • the scrambling ID used by the DMRS specifically, two scrambling IDs can be configured.
  • phase tracking reference signal Phase tracking Reference Signal, PTRS
  • the power control parameter is a parameter used to instruct the PUSCH to perform uplink power control.
  • it may include configurations such as open-loop power control parameters (such as the initial value Po of the open-loop power control parameters, path loss factor), closed-loop power control parameters, and path loss measurement reference signals.
  • Frequency domain frequency hopping configuration is used to indicate whether frequency domain frequency hopping is allowed and the specific method of frequency domain frequency hopping.
  • the configuration of whether to perform DFT transformation can be used to indicate whether the adopted multiple access mode is DFT-Spread OFDM (DFT-Spread OFDM, DFT-S-OFDM) or Cyclic Prefix-OFDM (CP-OFDM).
  • DFT-Spread OFDM DFT-Spread OFDM
  • CP-OFDM Cyclic Prefix-OFDM
  • the codebook subset constraint configuration may be used to indicate the codebook subset available in codebook-based transmission.
  • the maximum number of transmission layers configuration can be used to indicate the maximum number of transmission layers allowed for uplink or downlink data transmission.
  • the transmission configuration of the UCI carried by the PUSCH may be used to indicate the parameters used to calculate the resource occupied by the UCI.
  • the time domain resource configuration of the PUSCH may be used to indicate the time domain resources occupied by the PUSCH in one time slot, such as the start OFDM symbol, the number of occupied OFDM symbols, and so on.
  • the number of PUSCH repetitions or the number of aggregated time slots may be used to indicate the number of time slots continuously occupied by the PUSCH, and the continuously occupied time slots are used to repeatedly transmit the same PUSCH.
  • the RBG size used for resource allocation can be used to indicate the resource unit of frequency domain resource allocation.
  • the transmission parameters of PUSCH may include at least one of the number of transmission layers, precoding matrix, number of antenna ports, and transmission beams described above, and may also include parameters such as power control parameters or antenna panels used for PUSCH transmission.
  • the terminal device may be configured with one or more control channels or one or more PUSCH configuration parameter sets. It is possible to associate each of the one or more control channels with at least one SRS resource set, or associate each PUSCH configuration parameter set in the one or more PUSCH configuration parameter sets with at least one SRS resource set . Or it is also possible to associate each of the partial control channels in the plurality of control channels with at least one SRS resource set, or associate a partial PUSCH configuration parameter set in the plurality of PUSCH configuration parameter sets with at least one SRS resource set .
  • the network device can first determine the corresponding SRS resource set according to the control channel used by the DCI to be sent or the PUSCH configuration parameter set used for the PUSCH to be sent, and then determine the information included in the DCI according to the SRS resource set, and send the DCI to the terminal device After the terminal device detects the DCI in a certain control channel, it can obtain the SRS resource set associated with the control channel; or when the terminal device detects the DCI for scheduling the PUSCH, it can obtain the PUSCH configuration parameter set used for the scheduled PUSCH , So as to determine the corresponding SRS resource set. Furthermore, the terminal device may determine the first SRS resource set from the corresponding SRS resource set to determine the transmission parameter of the scheduled PUSCH, and may send the scheduled PUSCH based on the transmission parameter.
  • the first SRS resource set used to determine the transmission parameters of the first PUSCH is associated with the first control channel or the first PUSCH configuration parameter set, so that the terminal device can be based on the
  • the first SRS resource set associated with a control channel or the first PUSCH configuration parameter set determines the transmission parameters of the first PUSCH, which is beneficial to improve the matching degree of the transmission parameters of the PUSCH obtained in the uplink non-coherent transmission, thereby improving the uplink transmission To improve the transmission performance of PUSCH.
  • the association relationship between each control channel and at least one SRS resource set, or the association relationship between each PUSCH configuration parameter set and at least one SRS resource set can be indicated by the network device sending configuration information to the terminal device, or a protocol can be used The agreed way.
  • the network device sends configuration information to the terminal device, where the configuration information is used to indicate the SRS resource set corresponding to each of the N control channels or each PUSCH configuration parameter set in the N PUSCH configuration parameter sets.
  • the network device configures N SRS resource sets for the terminal device, and at the same time configures N CORESET or search spaces or PUSCH configuration parameter sets.
  • the k-th SRS resource set is used. In this way, there is no need for the network device to configure a corresponding SRS resource set for each CORESET or search space or PUSCH configuration parameter set, thereby reducing signaling overhead.
  • control channel can be associated with the PUSCH configuration parameter set, and different PUSCH configuration parameter sets can be respectively associated with at least one SRS resource set.
  • the terminal device can first determine the first control channel based on the first DCI detected. A first PUSCH configuration parameter set used by a PUSCH, and then at least one SRS resource set associated with the first PUSCH configuration parameter set is determined according to the first PUSCH configuration parameter set.
  • the RNTI used for cyclic redundancy check (CRC) scrambling for the DCI scheduling the first PUSCH may also be associated with the PUSCH configuration parameter set, and different PUSCH configuration parameter sets may be respectively associated At least one SRS resource set.
  • the terminal device may first determine the first PUSCH configuration parameter set used by the first PUSCH according to the RNTI used for CRC scrambling by detecting the first DCI, and then determine the first PUSCH configuration parameter set used by the first PUSCH configuration parameter set. At least one associated SRS resource collection.
  • the SRS resource set may also be associated with the entire PDCCH configuration parameter set, and at least one SRS resource set may be associated with different PDCCH configuration parameter sets, and the PDCCH configuration parameter set may include CORESET configuration, search space configuration, At least one parameter of downlink resource reservation configuration, PUSCH transmission power control (Transmission Power Control, TPC) configuration, PUCCH TPC configuration, and SRS TPC configuration.
  • the terminal device may first determine the corresponding first PDCCH configuration parameter set according to the first PDCCH on which the first DCI is detected, and then determine at least one SRS resource set associated therewith according to the first PDCCH configuration parameter set.
  • the SRS resource set may also be associated with a CORESET or search space in a PDCCH configuration parameter set, and at least one SRS resource set is respectively associated with different CORESETs or different search spaces in a PDCCH configuration parameter set.
  • the terminal device may determine at least one SRS resource set associated with the first CORESET or the first search space in which the first DCI is detected.
  • each control channel is associated with a transmission/reception point (TRP) and/or an antenna panel; and/or each PUSCH configuration parameter set is associated with a TRP and/or an antenna panel.
  • TRP transmission/reception point
  • each PUSCH configuration parameter set is associated with a TRP and/or an antenna panel.
  • the UE may have multiple antenna panels (panels) for uplink transmission.
  • One panel contains a group of physical antennas, and each panel has an independent radio frequency channel.
  • the UE needs to notify the number of panels supported by the gNB in the capability report.
  • the UE may also need to inform the gNB whether it has the ability to transmit signals on multiple panels at the same time. Since different panels correspond to different channel conditions, different panels need to adopt different transmission parameters according to their channel information.
  • different sets of SRS resources can be configured for different panels to obtain uplink channel information. For example, in order to perform uplink beam management, an SRS resource set can be configured for each panel, so that each panel performs beam management separately to determine an independent analog beam.
  • downlink and uplink non-coherent transmission is introduced.
  • multiple TRPs can use different control channels to independently schedule PDSCH transmission of a UE, and the scheduled PDSCH can be transmitted in the same time slot or in different time slots.
  • the UE needs to support simultaneous reception of PDCCH and PDSCH from different TRPs.
  • the ACK/NACK can be fed back to different TRPs that transmit the corresponding PDSCH, as shown in Figure 8a, or they can be combined and reported to one TRP. , As shown in Figure 8b.
  • different TRPs can also independently schedule PUSCH transmission of the same UE.
  • Independent transmission parameters can be configured for different PUSCH transmissions, such as transmission beam, precoding matrix, number of transmission layers, etc.
  • the scheduled PUSCH transmission can be transmitted in the same time slot or in different time slots. If the UE is scheduled to transmit two PUSCHs at the same time in the same time slot, it needs to determine how to transmit according to its own capabilities.
  • the two PUSCHs can be transmitted at the same time, and the PUSCHs transmitted on different panels are aligned with the corresponding TRP for simulation shaping, thereby distinguishing by spatial domain Different PUSCHs provide uplink spectral efficiency, as shown in Figure 9a. If the UE has only a single panel, or does not support simultaneous transmission of multiple panels, the PUSCH can only be transmitted on one panel, as shown in Figure 9b.
  • multiple TRPs can be respectively associated with a control channel or PUSCH configuration parameter set for uplink scheduling, and at the same time, each control channel or each PUSCH configuration parameter set can be configured with SRS. Resource collection, so that each TRP is configured with an independent SRS resource collection.
  • the SRS resource set corresponding to the TRP is used to determine the transmission parameters, so as to achieve the purpose of independently determining the transmission parameters for the transmission of different TRPs.
  • the multiple antenna panels can be configured with independent SRS resource sets, so that when the PUSCH and SRS resource sets use the same panel for transmission, the transmission parameters of the PUSCH determined by the network side can be improved. accurate.
  • the first control channel or the first PUSCH configuration parameter set is associated with at least one SRS resource set, and the at least one SRS resource set includes the first SRS resource set, so
  • the method further includes: the terminal device determines the first SRS resource set from the at least one SRS resource set according to the multiple-input multiple-output MIMO transmission scheme of the first PUSCH.
  • the first control channel or the first PUSCH configuration parameter set may be associated with at least one SRS resource set.
  • the first control channel or the first PUSCH configuration parameter set may be associated with SRS resource sets of different purposes.
  • the associated at least one SRS resource set may include an SRS resource set for codebook transmission, an SRS resource set for non-codebook transmission, an SRS resource set for antenna switching, and an SRS resource set for obtaining downlink CSI.
  • the first control channel or the first PUSCH configuration parameter set is associated with two SRS resource sets, one is an SRS resource set used for codebook transmission, and the other is an SRS resource set used for non-codebook transmission.
  • the terminal device may determine the corresponding first SRS resource set from the two SRS resource sets according to the MIMO transmission scheme of the first PUSCH. For example, if the MIMO transmission scheme of the first PUSCH is codebook-based transmission, the SRS resource set used for codebook transmission may be determined as the first SRS resource set among the two SRS resource sets. If the MIMO transmission scheme of the first PUSCH is non-codebook-based transmission, the SRS resource set used for non-codebook transmission may be determined as the first SRS resource set among the two SRS resource sets.
  • the associated SRS resource set corresponds to the MIMO transmission scheme of the first PUSCH.
  • the MIMO transmission scheme of the first PUSCH is codebook-based transmission
  • the associated SRS resource set is the SRS resource set used for codebook transmission
  • the MIMO transmission scheme of the first PUSCH is non-codebook-based transmission
  • the associated SRS resource set is the SRS resource set used for non-codebook transmission.
  • the terminal device can consider this to be an incorrect configuration, so it is unnecessary to perform Transmission of the first PUSCH.
  • the MIMO transmission scheme of the first PUSCH is codebook-based transmission, and the associated SRS resource set does not include the SRS resource set for codebook transmission; or the MIMO transmission scheme of the first PUSCH is non-codebook-based transmission , And the associated SRS resource set does not include the SRS resource set for non-codebook transmission.
  • Different SRS resource sets are determined for different MIMO transmission scheme configurations, so that the SRS resource configuration can better match the requirements of the corresponding MIMO transmission scheme.
  • the method further includes: the terminal device determines the parameters included in the transmission parameters of the first PUSCH according to the multiple-input multiple-output MIMO transmission scheme of the first PUSCH.
  • the terminal equipment determining the transmission parameters of the first physical uplink shared channel PUSCH according to the first SRS resource set includes: the terminal equipment according to the first SRS resource set and the first PUSCH The MIMO transmission scheme determines the transmission parameters of the first PUSCH.
  • the terminal device may first determine the parameters included in the transmission parameters of the first PUSCH according to the MIMO transmission scheme of the first PUSCH before determining the transmission parameters of the first PUSCH according to the first SRS resource set. For example, if the MIMO transmission scheme of the first PUSCH is transmission based on a codebook, then the transmission parameters of the first PUSCH may include at least a precoding matrix and a transmission beam; if the MIMO transmission scheme of the first PUSCH is transmission based on a non-codebook, Then the transmission parameters of the first PUSCH may at least include the number of transmission layers, the precoding matrix and the transmission beam. In addition, some transmission parameters may be independent of the MIMO transmission scheme.
  • the transmission parameters may include power control parameters or antenna panels for transmitting the first PUSCH.
  • the transmission parameters of the first PUSCH may be further determined according to the first SRS resource set.
  • the transmission parameter of the first SRS resource set may be used as the reference value of the transmission parameter of the first PUSCH.
  • the terminal device may determine the antenna panel used for transmitting the first SRS resource set as the antenna panel used for transmitting the first PUSCH.
  • the terminal device may also determine the transmission beam used for transmitting the SRS on the first SRS resource set as the transmission beam used for transmitting the first PUSCH.
  • the terminal device may also add an offset to the power control parameter corresponding to the first SRS resource set as the power control parameter of the first PUSCH.
  • any of the transmission parameters of the first PUSCH listed above can be the transmission parameters used by the first SRS resource set directly as the transmission parameters of the first PUSCH, or the transmission parameters of the first SRS resource set can be modified. To be sure, for the sake of brevity, there are not too many examples here.
  • the method further includes: the terminal device acquires a sounding reference signal resource indication SRI, where the SRI is used to indicate at least one SRS resource in the first SRS resource set;
  • the terminal device determining the transmission parameter of the first physical uplink shared channel PUSCH according to the first SRS resource set includes: the terminal device determining the transmission parameter of the first PUSCH according to the at least one SRS resource.
  • the SRI may be carried in the first DCI, for example, may be indicated by the SRI indication field in the first DCI.
  • the first SRS resource set includes N SRS resources
  • the terminal device can send the N SRS resources to the network device, and the network device performs measurement after receiving the N SRS resources, and selects the best K among them.
  • SRS resources and indicate the K SRS resource indexes to the terminal device through SRI.
  • the terminal device determines the transmission parameter of the first PUSCH according to the K SRS resources indicated by the SRI.
  • the terminal device may determine the number of resources included in the at least one SRS resource as the number of transmission layers of the first PUSCH; and/or the terminal device may determine the total number of ports of the at least one SRS resource Is the number of antenna ports of the first PUSCH; and/or the terminal device may determine the transmission beam used for transmitting the SRS on the at least one SRS resource as the beam for transmitting the first PUSCH; and/or Or the terminal device may determine the power control parameter corresponding to the at least one SRS resource as the power control parameter of the first PUSCH; and/or the terminal device may transmit the SRS on the first SRS resource
  • the antenna panel used is determined to be the antenna panel for transmitting the first PUSCH.
  • the terminal device may also modify the transmission parameter of at least one SRS resource to use this as the transmission parameter of the first PUSCH.
  • any of the transmission parameters of the first PUSCH listed above may directly use the transmission parameter used by the at least one SRS resource as the transmission parameter of the first PUSCH, or may use the transmission parameter used for the at least one SRS resource.
  • the parameters are deformed to determine, for the sake of brevity, not many examples are given here.
  • Embodiment 1 A terminal receives N CORESETs configured on the network side, and the network side configures at least one corresponding SRS resource set for each CORESET of the N CORESETs.
  • each CORESET of the N CORESETs corresponds to scheduling information of a TRP or PUSCH transmission on an antenna panel.
  • the network side can configure the parameters corresponding to each CORESET through the RRC parameter ControlResourceSet.
  • a ControlResourceSet can include a CORESET parameter.
  • TCI Transmission Configuration Indicator
  • the network side may pre-configure multiple SRS resource sets through RRC parameters, and each resource set has its own set ID (srs-ResourceSetId).
  • the information of the SRS resource set may be directly included in the configuration parameters of CORESET.
  • the SRS resource set ID (srs-ResourceSetId) corresponding to the CORESET may be indicated in the ControlResourceSet. If one CORESET corresponds to multiple SRS resource sets, multiple SRS resource set IDs can be indicated in ControlResourceSet.
  • each CORESET can correspond to 2 SRS resource sets.
  • the usage parameter of one SRS resource set is codebook, which is used for PUSCH transmission based on codebook, and the usage parameter of the other SRS resource set is noncodebook, which is used for PUSCH transmission based on non-codebook.
  • the network side may not configure another MIMO transmission scheme.
  • the terminal may perform DCI detection separately in each CORESET. For example, the terminal detects the first DCI sent by the network side in the first CORESET, and the first DCI is used to schedule the first PUSCH.
  • the terminal may determine the transmission parameter of the first PUSCH according to the first SRS resource set corresponding to the first CORESET.
  • the terminal according to the MIMO transmission scheme in the first PUSCH configuration parameter set used by the first PUSCH, from the multiple SRS resource sets corresponding to the first CORESET, Determine the first SRS resource set corresponding to the current MIMO transmission scheme. It can be assumed here that the first CORESET corresponds to 2 SRS resource sets.
  • the MIMO transmission scheme is codebook-based transmission (that is, the RRC parameter txConfig is configured as codebook)
  • the two SRS resource sets corresponding to the first CORESET are used for codebook transmission (the usage parameter is configured as codebook);
  • the MIMO transmission scheme is codebook-based transmission (that is, the RRC parameter txConfig is configured as nonCodebook)
  • the two SRS resource sets corresponding to the first CORESET are used for non-codebook Transmission (usage parameter configured as nonCodebook) SRS resource collection. Determining different SRS resource sets for different MIMO transmission schemes can make the configuration of SRS resources better match the requirements of the corresponding transmission scheme.
  • the terminal may consider this to be an error case, and thus there is no need to perform the first PUSCH. Transmission of a PUSCH.
  • the transmission scheme is codebook-based transmission (that is, the RRC parameter txConfig is configured as codebook), and the SRS resource set corresponding to the first CORESET does not have an SRS resource set whose usage is configured as a codebook; for example, if The transmission scheme is based on non-codebook transmission (that is, the RRC parameter txConfig is configured as a codebook), and the SRS resource set corresponding to the first CORESET does not have an SRS resource set whose usage is configured as a nonCodebook.
  • the terminal may determine the parameters included in the transmission parameters here according to the MIMO transmission scheme of the first PUSCH. For example, if the transmission scheme of the first PUSCH is codebook-based transmission, the terminal determines the precoding matrix and transmission beam of the first PUSCH according to the first SRS resource set; if the transmission scheme of the first PUSCH is based on For non-codebook transmission, the terminal determines the number of transmission layers, precoding matrix, and transmission beam of the first PUSCH according to the first SRS resource set.
  • the power control parameter and antenna panel of the first PUSCH can be determined according to the first SRS resource set.
  • the terminal may determine the antenna panel used for transmitting the SRS signal in the first SRS resource set as the antenna panel for transmitting the first PUSCH.
  • the first DCI may also include an SRI
  • the SRI includes at least one SRS resource index, which is used to indicate at least one SRS resource from one SRS resource set.
  • the terminal may determine the corresponding SRS resource (denoted as the first SRS resource) from the first SRS resource set according to the SRS resource index included in the SRI, and determine the transmission of the first PUSCH according to the first SRS resource parameter. For example, if the first PUSCH is transmission based on a codebook, the number of the first SRS resources is one. The terminal determines the number of ports of the first SRS resource as the number of first PUSCH ports, so as to obtain a codebook corresponding to the corresponding number of ports.
  • the terminal determines the target codeword from the codebook according to the PMI contained in the first DCI as the precoding matrix of the first PUSCH. Further, the terminal device uses the transmission beam used for transmitting the SRS signal on the first SRS resource as the beam used for transmitting the first PUSCH.
  • the transmit beam here is also called a spatial transmission filter (spatial domain transmission filter).
  • the first SRS resource may be one or more SRS resources, which is assumed to be K SRS resources here.
  • the terminal may determine the number K of the first SRS resources as the number of transmission layers (also referred to as rank) of the first PUSCH.
  • the terminal may use the precoding matrix and the transmission beam used to transmit the SRS among the K SRS resources as the precoding matrix and the transmission beam of the K data transmission layers, respectively, where one SRS resource corresponds to one data transmission layer. That is, the K transmission layers and the K SRS resources may use the same antenna port, and the k-th transmission layer and the k-th SRS resource may use the same antenna port.
  • the terminal device may use the antenna panel used to transmit the SRS on the first SRS resource as the antenna panel for transmitting the first PUSCH.
  • the terminal detects the DCI used to schedule the PUSCH in N CORESETs, for each DCI scheduled PUSCH, the corresponding transmission parameters can be determined according to the above method.
  • this embodiment uses two TRPs (TRP1 and TRP2) to schedule different PUSCHs on different CORESETs. That is, TRP1 sends DCI1 on CORESET1 for scheduling PUSCH1, and TRP2 sends DCI2 on CORESET2 for scheduling PUSCH2, where SRS1 comes from SRS resource set 1 associated with CORESET1, and SRS2 comes from SRS resource set 2 associated with CORESET2.
  • Embodiment 1 The flowchart corresponding to Embodiment 1 is shown in FIG. 11.
  • CORESET can be configured for the two TRPs for uplink scheduling, and the two TRPs can be configured with SRS resource sets for uplink beam management. And the determination of uplink transmission parameters, and the CORESET and SRS resource set of the same TRP are associated through RRC signaling.
  • the CORESET corresponding to a TRP is used to schedule uplink transmission
  • the SRS resource set corresponding to the TRP is used to determine the transmission parameters, so as to achieve the purpose of independently determining the transmission parameters for the transmission of different TRPs. By better matching the transmission parameters with the TRP channel, the spectrum efficiency of uplink transmission is improved.
  • the two antenna panels can be respectively used to transmit uplink signals to different TRPs.
  • the SRS resource sets configured for different TRPs on the network side can be transmitted on different panels respectively, thereby
  • the PUSCH adopting the same panel transmission as the SRS resource set can make the PUSCH transmission parameters determined by the network side more accurate.
  • Embodiment 2 The terminal receives N search spaces configured by the network side, and the network side configures at least one corresponding SRS resource set for each search space in the N search spaces.
  • part of the search space corresponds to scheduling information of a TRP or PUSCH transmission on an antenna panel.
  • Another part of the search space corresponds to scheduling information of another TRP or PUSCH transmission on another antenna panel.
  • the network side can configure the parameters corresponding to each search space through the RRC parameter SearchSpace.
  • a SearchSpace may include parameters of a search space.
  • the network side may pre-configure multiple SRS resource sets through RRC parameters, and each resource set has its own set ID (srs-ResourceSetId).
  • the information of the SRS resource set may be directly included in the configuration parameters of the search space.
  • the SRS resource set ID (srs-ResourceSetId) corresponding to the search space can be indicated in the SearchSpace. If a search space corresponds to multiple SRS resource sets, multiple SRS resource set IDs can be indicated in the SearchSpace.
  • each search space can correspond to two SRS resource sets.
  • the usage parameter of one SRS resource set is codebook, which is used for codebook-based PUSCH transmission
  • the usage parameter of the other SRS resource set is nonCodebook, which is used for non-codebook-based PUSCH transmission.
  • the terminal performs DCI detection separately in each search space. For example, the terminal detects the first DCI sent by the network side in the first search space, and the first DCI is used to schedule the first PUSCH.
  • the terminal may determine the transmission parameter of the first PUSCH according to the first SRS resource set corresponding to the first search space.
  • the specific method is similar to Embodiment 1, and will not be described in detail here.
  • the terminal detects the DCI used to schedule the PUSCH in the N search spaces, for each PUSCH scheduled by the DCI, the corresponding transmission parameters need to be determined according to the foregoing method.
  • Embodiment 2 The flowchart corresponding to Embodiment 2 is shown in FIG. 12.
  • two TRPs when the network side separately schedules uplink non-coherent PUSCH transmission through two TRPs, two TRPs can be configured with search space sets for uplink scheduling, and two TRPs can be configured with SRS resource sets for uplink. Beam management and uplink transmission parameters are determined, and the search space of the same TRP is associated with the SRS resource set through RRC signaling.
  • the SRS resource set corresponding to the TRP is used to determine the transmission parameters, so as to achieve the purpose of independently determining the transmission parameters for the transmission of different TRPs. By better matching the transmission parameters with the TRP channel, the spectrum efficiency of uplink transmission is improved.
  • Embodiment 3 The terminal receives N PUSCH configuration parameter sets configured on the network side, and the network side configures at least one SRS resource set corresponding to each PUSCH configuration parameter set in the multiple PUSCH configuration parameter sets.
  • each parameter set of the N PUSCH configuration parameter sets may correspond to a PUSCH transmission scheduled by TRP or a PUSCH transmission on an antenna panel.
  • the network side can configure each PUSCH configuration parameter set through the RRC parameter PUSCH-config.
  • a PUSCH-config contains parameters of a PUSCH configuration parameter set.
  • the network side may pre-configure multiple SRS resource sets through RRC parameters, and each resource set has its own set ID (srs-ResourceSetId).
  • the information of the SRS resource set may be directly included in the PUSCH configuration parameter set.
  • the SRS resource set ID (srs-ResourceSetId) corresponding to the PUSCH configuration parameter set may be indicated in each PUSCH-config. If one PUSCH configuration parameter set corresponds to multiple SRS resource sets, multiple SRS resource set IDs can be indicated in PUSCH-config.
  • each PUSCH configuration parameter set may correspond to/contain 2 SRS resource sets.
  • the usage parameter of one SRS resource set is codebook, which is used for codebook-based PUSCH transmission, and the usage parameter of the other SRS resource set is nonCodebook, which is used for non-codebook-based PUSCH transmission.
  • each PUSCH configuration parameter set may only correspond to one SRS resource set.
  • each PUSCH configuration parameter set may include various PUSCH configuration parameters listed above.
  • the terminal detects the first DCI sent by the network side, and the first DCI is used to schedule the first PUSCH.
  • the first PUSCH uses the first PUSCH configuration parameter set to determine the used PUSCH configuration parameters.
  • the N PUSCH configuration parameter sets include the first PUSCH configuration parameter set.
  • the terminal may use the following method to determine the PUSCH configuration parameter set used by the first PUSCH from the N PUSCH configuration parameter sets:
  • the terminal may use the CORESET or the PUSCH configuration parameter set corresponding to the search space where the first DCI is located as the first PUSCH configuration parameter set.
  • the network side pre-configures the PUSCH configuration parameter set corresponding to each CORESET or search space. or,
  • the terminal may determine the first PUSCH configuration parameter set according to the RNTI used by the first DCI for CRC scrambling, where the first PUSCH configuration parameter set includes the RNTI information.
  • the terminal may determine the transmission parameter of the first PUSCH according to the SRS resource set corresponding to the first PUSCH configuration parameter set.
  • the terminal determines the current transmission from the multiple SRS resource sets corresponding to the first PUSCH configuration parameter set according to the first PUSCH transmission scheme The first SRS resource set corresponding to the solution. It is assumed here that the first PUSCH configuration parameter set corresponds to two SRS resource sets. For example, if the transmission scheme is codebook-based transmission (that is, txConfig in the first PUSCH configuration parameter set is configured as a codebook), the two SRS resource sets corresponding to the first PUSCH configuration parameter set are used for codebook.
  • the transmission scheme is codebook-based transmission (that is, txConfig in the first PUSCH configuration parameter set is configured as a codebook)
  • the SRS resource set of this transmission (usage parameter is configured as codebook); if the transmission scheme is codebook-based transmission (that is, txConfig in the first PUSCH configuration parameter set is configured as nonCodebook), then the first PUSCH configuration is adopted
  • the SRS resource set used for non-codebook transmission (the usage parameter is configured as nonCodebook) among the two SRS resource sets corresponding to the parameter set. Determining different SRS resource sets for different transmission schemes can make the configuration of SRS resources better match the requirements of the corresponding transmission scheme.
  • the SRS resource set corresponding to the first PUSCH configuration parameter set is the first SRS resource set.
  • the txConfig configuration in the first PUSCH configuration parameter set and the usage configuration in the first SRS resource set need to be consistent.
  • codebook codebook-based transmission
  • the usage parameter of the corresponding first SRS resource set needs to be configured as a codebook.
  • nonCodebook non-codebook-based transmission
  • the usage parameter of the corresponding first SRS resource set needs to be configured as nonCodebook. If the above conditions are not met, the terminal may consider this to be an error case, and thus does not transmit the first PUSCH.
  • the terminal may determine the parameters included in the transmission parameters here according to the MIMO transmission scheme of the first PUSCH. This is similar to Embodiment 1, and will not be detailed here.
  • the terminal may determine the antenna panel used for transmitting the SRS signal in the first SRS resource set as the antenna panel for transmitting the first PUSCH.
  • the first DCI may also include an SRI
  • the SRI includes at least one SRS resource index for indicating at least one SRS resource from one SRS resource set.
  • the terminal determines the corresponding SRS resource (denoted as the first SRS resource) from the first SRS resource set according to the SRS resource index included in the SRI, and determines the transmission parameter of the first PUSCH according to the first SRS resource . This is similar to Embodiment 1, and will not be detailed here.
  • the terminal detects multiple DCIs at the same time, and each DCI schedules one PUSCH, for each DCI scheduled PUSCH, the corresponding transmission parameters need to be determined according to the above method.
  • the PUSCH of the two TRPs can be configured with their respective PUSCH configuration parameter sets, and the two TRPs can be configured with SRS resource sets for Uplink beam management and uplink transmission parameters are determined, and the PUSCH configuration parameter set of the same TRP is associated with the SRS resource set through RRC signaling.
  • the SRS resource set corresponding to the TRP is used to determine the transmission parameters, so as to achieve the purpose of independently determining the transmission parameters for the transmission of different TRPs.
  • the spectrum efficiency of uplink transmission is improved.
  • the two antenna panels can be respectively used to transmit uplink signals to different TRPs.
  • the SRS resource sets configured for different TRPs on the network side can be transmitted on different panels respectively, thereby
  • the PUSCH adopting the same panel transmission as the SRS resource set can make the PUSCH transmission parameters determined by the network side more accurate.
  • Embodiment 4 The terminal receives N PDCCH configuration parameter sets configured by the network side, and the network side configures at least one corresponding SRS resource set for each parameter set in the N PDCCH configuration parameter sets.
  • part of the PDCCH configuration parameter set corresponds to scheduling information of a TRP or PUSCH transmission on an antenna panel.
  • Another part of the PDCCH configuration parameter set corresponds to scheduling information of another TRP or PUSCH transmission on another antenna panel.
  • a PDCCH-config may include all parameters corresponding to a PDCCH.
  • a PDCCH-config may include the following parameters: CORESET configuration, search space configuration, downlink resource reservation configuration, PUSCH TPC configuration, PUCCH TPC configuration, and SRS TPC configuration.
  • the network side may pre-configure multiple SRS resource sets through RRC parameters, and each resource set has its own set ID (srs-ResourceSetId).
  • the information of the SRS resource set may be directly included in the parameters of the PDCCH configuration parameter set.
  • the SRS resource set ID (srs-ResourceSetId) corresponding to the PDCCH configuration parameter set may be indicated in the PDCCH-config. If one PDCCH configuration parameter set corresponds to multiple SRS resource sets, multiple SRS resource set IDs can be indicated in the PDCCH-config.
  • each PDCCH configuration parameter set can correspond to two SRS resource sets.
  • the usage parameter of one SRS resource set is codebook, which is used for codebook-based PUSCH transmission, and the usage parameter of the other SRS resource set is nonCodebook, which is used for non-codebook-based PUSCH transmission.
  • the terminal performs DCI detection separately in the control channel configured for each PDCCH control parameter set. For example, the terminal detects the first DCI sent by the network side in the CORESET or search space in the first PDCCH control parameter set, and the first DCI is used to schedule the first PUSCH.
  • the terminal may determine the transmission parameter of the first PUSCH according to the first SRS resource set corresponding to the first PDCCH control parameter set.
  • the specific method is similar to Embodiment 1, and will not be described in detail here.
  • the terminal detects the DCI used to schedule the PUSCH in the control channels configured in the N PDCCH control parameter sets, then for each DCI scheduled PUSCH, the corresponding transmission parameter needs to be determined according to the above method .
  • Embodiment 4 The flowchart corresponding to Embodiment 4 is shown in FIG. 14.
  • the PDCCH of the two TRPs can be configured with their own PDCCH configuration parameter sets, and the two TRPs can be configured with SRS resource sets for The uplink beam management and uplink transmission parameters are determined, and the PDCCH configuration parameter set of the same TRP is associated with the SRS resource set through RRC signaling.
  • the SRS resource set corresponding to the TRP is used to determine the transmission parameters, so as to achieve the purpose of independently determining the transmission parameters for the transmission of different TRPs.
  • the spectrum efficiency of uplink transmission is improved.
  • the two antenna panels can be respectively used to transmit uplink signals to different TRPs.
  • the SRS resource sets configured for different TRPs on the network side can be transmitted on different panels respectively, thereby The use of the same panel transmission for the PDCCH and the SRS resource set can make the PDCCH transmission parameters determined by the network more accurate.
  • the signal transmission method according to the embodiment of the present application is described in detail above.
  • the signal transmission apparatus according to the embodiment of the present application will be described below in conjunction with FIG. 15 to FIG. 18.
  • the technical features described in the method embodiment are applicable to the following device implementation example.
  • FIG. 15 shows a schematic block diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 includes:
  • the processing unit 510 is configured to determine the transmission parameter of the first physical uplink shared channel PUSCH according to the first SRS resource set;
  • the first SRS resource set is associated with the first control channel on which the first downlink control information DCI is detected, and the first DCI is used to schedule the first PUSCH, or the first SRS resource set is associated with the The first PUSCH configuration parameter set used by the first PUSCH is associated.
  • the terminal device further includes: a transceiver unit 520, configured to receive configuration information sent by the network device, where the configuration information is used to indicate each control channel or at least one of the at least one control channel.
  • a transceiver unit 520 configured to receive configuration information sent by the network device, where the configuration information is used to indicate each control channel or at least one of the at least one control channel.
  • each control channel is associated with a transmission point TRP and/or an antenna panel; and/or each PUSCH configuration parameter set is associated with a TRP and/or an antenna panel.
  • the first control channel or the first PUSCH configuration parameter set is associated with at least one SRS resource set, and the at least one SRS resource set includes the first SRS resource set, so
  • the processing unit is specifically configured to determine the first SRS resource set from the at least one SRS resource set according to the multiple-input multiple-output MIMO transmission scheme of the first PUSCH.
  • the at least one SRS resource set includes at least one of the following SRS resource sets: an SRS resource set used for codebook transmission, an SRS resource set used for non-codebook transmission, A set of SRS resources used for antenna switching, a set of SRS resources used to obtain downlink channel state information CSI, and a set of SRS resources used for beam management.
  • the processing unit is specifically configured to: if the MIMO transmission scheme of the first PUSCH is codebook-based transmission, use the at least one SRS resource set for codebook transmission
  • the SRS resource set of is determined to be the first SRS resource set; if the MIMO transmission scheme of the first PUSCH is non-codebook-based transmission, use the SRS resource for non-codebook transmission in the at least one SRS resource set
  • the set is determined to be the first SRS resource set.
  • the first PUSCH configuration parameter set includes at least one of the following parameters: a scrambling identifier ID used for scrambling data carried by PUSCH, a MIMO transmission scheme used for PUSCH, and PUSCH Demodulation reference signal DMRS configuration, power control parameters, frequency domain frequency hopping configuration, whether to perform discrete Fourier transform DFT configuration, codebook subset restriction configuration, maximum transmission layer configuration, and uplink control information UCI carried by PUSCH Transmission configuration, whether to allow DFT transform ( ⁇ /2-Binary Phase Shift Keying BPSK) modulation configuration, PUSCH time domain resource configuration, PUSCH repetition number or aggregation time slot number, resource block group RBG used for resource allocation
  • DFT transform ⁇ /2-Binary Phase Shift Keying BPSK
  • the transmission parameters include at least one of the number of transmission layers, the precoding matrix, the number of antenna ports, the transmission beam, the power control parameter, and the antenna panel.
  • the processing unit is further configured to: determine the parameters included in the transmission parameters of the first PUSCH according to the multiple-input multiple-output MIMO transmission scheme of the first PUSCH.
  • the processing unit is specifically configured to: if the MIMO transmission scheme of the first PUSCH is codebook-based transmission, determining that the transmission parameters of the first PUSCH include a precoding matrix and Transmitting beam; if the MIMO transmission scheme of the first PUSCH is non-codebook-based transmission, determining the transmission parameters of the first PUSCH include the number of transmission layers, the precoding matrix, and the transmitting beam.
  • the terminal device processing unit is specifically configured to: determine the antenna panel used for transmitting SRS on the first SRS resource set as the antenna panel for transmitting the first PUSCH.
  • the processing unit is further configured to: acquire a sounding reference signal resource indication SRI, where the SRI is used to indicate at least one SRS resource in the first SRS resource set; and the processing The unit is specifically configured to determine the transmission parameter of the first PUSCH according to the at least one SRS resource.
  • SRI sounding reference signal resource indication
  • the processing unit is specifically configured to: determine the number of resources included in the at least one SRS resource as the number of transmission layers of the first PUSCH; and/or The total number of ports of one SRS resource is determined to be the number of antenna ports of the first PUSCH; and/or the transmit beam used for transmitting SRS on the at least one SRS resource is determined to be the number of antenna ports for transmitting the first PUSCH Beam; and/or the power control parameter corresponding to the at least one SRS resource is determined as the power control parameter of the first PUSCH; and/or the antenna panel used for transmitting the SRS on the at least one SRS resource is determined Is an antenna panel for transmitting the first PUSCH.
  • the processing unit is specifically configured to: determine the precoding matrix used by the first PUSCH according to the total number of ports of the at least one SRS resource and the precoding matrix indicator PMI; or The precoding matrix used for transmitting the SRS on the at least one SRS resource is determined as the precoding matrix used for the first PUSCH.
  • the first control channel includes a first control resource set CORESET, a first search space, or a first physical downlink control channel PDCCH.
  • the first PDCCH is a PDCCH determined by a first PDCCH configuration parameter set
  • the first PDCCH configuration parameter set includes the following parameters: CORESET configuration, search space configuration, downlink resource Reservation configuration, PUSCH transmit power control TPC configuration, PUCCH TPC configuration and SRS TPC configuration.
  • terminal device 500 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 500 are to implement FIGS. 5 and 7 respectively.
  • the corresponding process of the terminal device in the method will not be repeated here.
  • FIG. 16 shows a schematic block diagram of a network device 600 according to an embodiment of the present application.
  • the network device 600 includes:
  • the processing unit 610 is configured to determine information of the first downlink control information DCI according to the first sounding reference signal SRS resource set;
  • the transceiver unit 620 is configured to send the first DCI to a terminal device, where the first DCI is used to schedule a first physical uplink shared channel PUSCH;
  • the first control channel used to carry the first DCI is associated with the first SRS resource set, or the first PUSCH configuration parameter set used by the first PUSCH is associated with the first SRS resource set.
  • the transceiver unit is further configured to send configuration information to the terminal device, where the configuration information is used to indicate each control channel or at least one PUSCH configuration parameter in the at least one control channel Collect the SRS resource set corresponding to each PUSCH configuration parameter set.
  • each control channel is associated with a transmission point TRP and/or an antenna panel; and/or each PUSCH configuration parameter set is associated with a TRP and/or an antenna panel.
  • the first control channel or the first PUSCH configuration parameter set is associated with at least one SRS resource set, and the at least one SRS resource set includes the first SRS resource set, so
  • the at least one SRS resource set includes at least one of the following SRS resource sets: SRS resource set used for codebook transmission, SRS resource set used for non-codebook transmission, SRS resource set used for antenna switching, and used to obtain downlink Channel state information CSI SRS resource set and SRS resource set used for beam management.
  • the first PUSCH configuration parameter set includes at least one of the following parameters: a scrambling identifier ID used for scrambling data carried by PUSCH, a MIMO transmission scheme used for PUSCH, and PUSCH Demodulation reference signal DMRS configuration, power control parameters, frequency domain frequency hopping configuration, whether to perform discrete Fourier transform DFT configuration, codebook subset restriction configuration, maximum transmission layer configuration, and uplink control information UCI carried by PUSCH Transmission configuration, whether to allow DFT transform ( ⁇ /2-Binary Phase Shift Keying BPSK) modulation configuration, PUSCH time domain resource configuration, PUSCH repetition number or aggregation time slot number, resource block group RBG used for resource allocation
  • DFT transform ⁇ /2-Binary Phase Shift Keying BPSK
  • the information of the first DCI includes at least one of a reference signal resource indicator SRI, a rank indicator RI, a precoding matrix indicator PMI, and a modulation and coding strategy MCS, wherein the The SRI is used to indicate at least one SRS resource in the first SRS resource set.
  • the first control channel includes a first control resource set CORESET, a first search space, or a first physical downlink control channel PDCCH.
  • the first PDCCH is a PDCCH determined by a first PDCCH configuration parameter set
  • the first PDCCH configuration parameter set includes the following parameters: CORESET configuration, search space configuration, downlink resource Reservation configuration, PUSCH transmit power control TPC configuration, PUCCH TPC configuration and SRS TPC configuration.
  • the network device 600 may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 600 are to implement FIGS. 6 and 7 respectively.
  • the corresponding process of the network equipment in the method will not be repeated here.
  • an embodiment of the present application also provides a terminal device 700.
  • the terminal device 700 may be the terminal device 500 in FIG. 15, which can be used to execute the terminal device corresponding to the methods in FIG. 5 and FIG. The content of the device.
  • the terminal device 700 shown in FIG. 17 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the terminal device 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the terminal device 700 may further include a transceiver 730, and the processor 710 may control the transceiver 730 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include an antenna, and the number of antennas may be one or more.
  • the terminal device 700 may be a terminal device of an embodiment of the present application, and the terminal device 700 may implement corresponding procedures implemented by the terminal device in each method of the embodiments of the present application.
  • the terminal device 700 may implement corresponding procedures implemented by the terminal device in each method of the embodiments of the present application. For brevity, details are not described herein again.
  • the transceiver unit in the terminal device 500 may be implemented by the transceiver 730 in FIG. 17.
  • the processing unit in the terminal device 500 may be implemented by the processor 710 in FIG. 17.
  • an embodiment of the present application also provides a network device 800.
  • the network device 800 may be the network device 600 in FIG. 16, which can be used to execute network devices corresponding to the methods in FIG. 6 and FIG. Content.
  • the network device 800 shown in FIG. 18 includes a processor 810, and the processor 810 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the network device 800 may further include a memory 820.
  • the processor 810 can call and run a computer program from the memory 820 to implement the method in the embodiment of the present application.
  • the memory 820 may be a separate device independent of the processor 810, or may be integrated in the processor 810.
  • the network device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 830 may include a transmitter and a receiver.
  • the transceiver 830 may further include an antenna, and the number of antennas may be one or more.
  • the network device 800 may be a network device of an embodiment of the present application, and the network device 800 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the network device 800 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • details are not described herein again.
  • the processing unit in the network device 600 may be implemented by the processor 810 in FIG. 18.
  • the transceiving unit in the network device 600 may be implemented by the transceiver 830 in FIG. 18.
  • FIG. 19 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 900 shown in FIG. 19 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 900 may further include a memory 920.
  • the processor 910 can call and run a computer program from the memory 920 to implement the method in the embodiment of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the chip 900 may further include an input interface 930.
  • the processor 910 can control the input interface 930 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 900 may further include an output interface 940.
  • the processor 910 can control the output interface 940 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system-on-chips, system-on-chips, or system-on-chips.
  • FIG. 20 is a schematic block diagram of a communication system 1000 according to an embodiment of the present application. As shown in FIG. 20, the communication system 1000 includes a terminal device 1010 and a network device 1020.
  • the terminal device 1010 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 1020 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be Read-Only Memory (ROM), Programmable Read-Only Memory (Programmable ROM, PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), and Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • the embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium may be applied to the terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, for the sake of brevity , I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • it is not here. Repeat it again.
  • the computer program product can be applied to the terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the embodiment of the application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program is run on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the terminal device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • 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, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used 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 method described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

La présente invention concerne, selon divers modes de réalisation, un procédé de transmission de signaux, un dispositif terminal et un dispositif réseau. Le procédé comprend l'étape suivante : un dispositif terminal détermine, selon un premier ensemble de ressources SRS, un paramètre de transmission d'un premier canal physique partagé montant (PUSCH), le premier ensemble de ressources SRS étant associé à un premier canal de commande sur lequel des premières informations de commande de liaison descendante (DCI) sont détectées et les premières DCI sont utilisées pour ordonnancer le premier canal PUSCH, ou le premier ensemble de ressources SRS étant associé à un premier ensemble de paramètres de configuration de canal PUSCH utilisé par le premier canal PUSCH. Le procédé, le dispositif terminal et le dispositif de réseau des modes de réalisation de la présente invention peuvent bien faire correspondre une transmission PUSCH dans une transmission montante non cohérente et faciliter l'amélioration de la fréquence spectrale de transmission montante, ce qui permet d'améliorer les performances de transmission d'un canal PUSCH.
PCT/CN2019/072875 2019-01-23 2019-01-23 Procédé de transmission de signaux, dispositif terminal et dispositif de réseau WO2020150943A1 (fr)

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CN111934732A (zh) * 2020-08-07 2020-11-13 中兴通讯股份有限公司 一种上行数据信道的发送方法、终端、基站及储存介质
CN116210189A (zh) * 2020-08-07 2023-06-02 Oppo广东移动通信有限公司 确定传输使用的天线面板的方法和终端设备
WO2021207746A3 (fr) * 2020-08-21 2021-12-02 Futurewei Technologies, Inc. Procédés et appareil pour communiquer des signaux de référence de sondage et des signaux de commande
CN114651510A (zh) * 2020-10-19 2022-06-21 北京小米移动软件有限公司 Pusch指示方法和装置、pusch发送方法和装置
CN114651510B (zh) * 2020-10-19 2023-10-31 北京小米移动软件有限公司 Pusch指示方法和装置、pusch发送方法和装置
WO2022082372A1 (fr) * 2020-10-19 2022-04-28 北京小米移动软件有限公司 Procédé et appareil d'indication de pusch, et procédé et appareil d'envoi de pusch
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CN114585067B (zh) * 2020-12-02 2024-06-07 维沃移动通信有限公司 Srs的功控指示方法、资源集簇的划分方法和设备
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WO2022204355A1 (fr) * 2021-03-24 2022-09-29 Ofinno, Llc Commande de puissance dans une planification de données multiples
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WO2023134471A1 (fr) * 2022-01-11 2023-07-20 大唐移动通信设备有限公司 Procédé de détermination de ressource de domaine temporel, dispositif terminal et support de stockage
WO2023137698A1 (fr) * 2022-01-21 2023-07-27 Zte Corporation Systèmes et procédés pour des transmissions en liaison montante simultanées sur la base d'une opération multi-trp
EP4254846A1 (fr) * 2022-04-01 2023-10-04 LG Electronics Inc. Procédé et appareil d'émission et de réception de pusch dans un système de communication sans fil
WO2023226833A1 (fr) * 2022-05-27 2023-11-30 华为技术有限公司 Procédé de transmission de signal de référence de sondage et appareil de communication
WO2024022241A1 (fr) * 2022-07-27 2024-02-01 上海朗帛通信技术有限公司 Procédé et appareil utilisés dans un nœud pour communication sans fil
WO2024031672A1 (fr) * 2022-08-12 2024-02-15 Zte Corporation Transmission en liaison montante simultanée dans une configuration à multiples points d'émission-réception
WO2024065746A1 (fr) * 2022-09-30 2024-04-04 Zte Corporation Indications de précodeur et de couche de transmission pour une transmission de liaison montante de simulation basée sur la gestion de données d'abonné

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