WO2022155975A1 - Procédé de communication sans fil, dispositif terminal et dispositif de réseau - Google Patents

Procédé de communication sans fil, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2022155975A1
WO2022155975A1 PCT/CN2021/073670 CN2021073670W WO2022155975A1 WO 2022155975 A1 WO2022155975 A1 WO 2022155975A1 CN 2021073670 W CN2021073670 W CN 2021073670W WO 2022155975 A1 WO2022155975 A1 WO 2022155975A1
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WIPO (PCT)
Prior art keywords
reference signal
bwp
qcl
antenna polarization
polarization mode
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PCT/CN2021/073670
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English (en)
Chinese (zh)
Inventor
吴作敏
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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 CN202180091956.5A priority Critical patent/CN116762311A/zh
Priority to PCT/CN2021/073670 priority patent/WO2022155975A1/fr
Publication of WO2022155975A1 publication Critical patent/WO2022155975A1/fr

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

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a wireless communication method, terminal device, and network device.
  • Quasi Co-Location means that the large-scale parameters of the channel experienced by a symbol on one antenna port can be inferred from the channel experienced by a symbol on another antenna port.
  • the large-scale parameters may include delay spread, average delay, Doppler spread, Doppler frequency shift, average gain, and spatial reception parameters.
  • the beam distribution of the satellite may include: a synchronization signal block (Synchronization Signal Block, SSB) corresponds to a terrestrial cell, or, the beam width of SSB transmission is consistent with the beam width of data transmission; Or, one SSB corresponds to multiple terrestrial cells, or the beam width of SSB transmission is inconsistent with the beam width of data transmission.
  • SSB Synchronization Signal Block
  • the NR-NTN scenario there are multiple antenna polarization modes for satellites, and adjacent cells may use different antenna polarization modes, thereby reducing inter-cell interference. If the antenna polarization modes of the satellite and terminal equipment match, it can Increase the reception performance; if the antenna polarization patterns of the satellite and the terminal equipment do not match, the reception performance will be degraded or even the signal will not be received. Therefore, both the downlink transmission and the uplink transmission in the NR-NTN scenario need to notify the antenna polarization mode. Therefore, in the NR-NTN scenario, how to determine the QCL relationship and the antenna polarization mode to improve the system performance is an urgent problem to be solved.
  • the present application provides a wireless communication method, terminal device and network device, which are beneficial to improve system performance.
  • a method for wireless communication comprising: a terminal device determining that a first physical channel or an antenna polarization mode corresponding to transmission of a first reference signal on a first bandwidth part BWP is a first antenna polarization mode, and /or,
  • the terminal device determines that the quasi-co-located QCL reference signal corresponding to the first reference signal on the first BWP is the second reference signal on the second BWP.
  • a method for wireless communication including: a network device sending first information to a terminal device, where the first information is used by the terminal device to determine a first physical channel or a first physical channel on a first bandwidth part BWP
  • the antenna polarization mode corresponding to a reference signal transmission is the first antenna polarization mode and/or the quasi-co-located QCL reference signal corresponding to the first reference signal on the first BWP is the second reference signal on the second BWP .
  • a terminal device for executing the method in the above-mentioned first aspect or each implementation manner thereof.
  • the terminal device includes functional modules for executing the methods in the above-mentioned first aspect or each implementation manner thereof.
  • a network device for executing the method in the second aspect or each of its implementations.
  • the network device includes functional modules for executing the methods in the second aspect or the respective implementation manners thereof.
  • a terminal device including a processor and a memory.
  • the memory is used for storing a computer program
  • the processor is used for calling and running 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 to execute the method in the second aspect or each of its implementations.
  • a chip is provided for implementing any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • the chip includes: a processor for invoking and running a computer program from a memory, so that a device in which the device is installed executes any one of the above-mentioned first to second aspects or each of its implementations method.
  • a computer-readable storage medium for storing a computer program, the computer program causing a computer to execute the method in any one of the above-mentioned first aspect to the second aspect or each of its implementations.
  • a computer program product comprising computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above-mentioned first to second aspects or the implementations thereof.
  • a computer program which, when run on a computer, causes the computer to perform the method in any one of the above-mentioned first to second aspects or the respective implementations thereof.
  • the terminal device determines the antenna polarization mode corresponding to the physical channel or reference signal transmission on the non-initial BWP according to the antenna polarization mode corresponding to the physical channel or reference signal transmission on the initial BWP, or according to the QCL type configuration information or
  • the first association relationship determines the antenna polarization mode corresponding to the physical channel or reference signal on the non-initial BWP, which is beneficial to avoid the problem that the antenna polarization modes of the terminal device and the network device do not match and affect the reception performance.
  • the terminal device can determine that the reference signal on the initial BWP and the reference signal on the non-initial BWP have a QCL relationship, which is beneficial to avoid the problem of low resource configuration efficiency caused by configuring the QCL relationship through the network device.
  • FIGS. 1A-1C are schematic diagrams of a communication system architecture provided by an embodiment of the present application.
  • Figures 2A-2B are two beam layout diagrams for NR-NTN scenarios.
  • FIG. 3 is a schematic flowchart of a method for wireless communication according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a specific example according to the present application.
  • FIG. 5 is a schematic flowchart of another method for wireless communication according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a network device provided according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a chip provided according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • CDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • Wireless Fidelity Wireless Fidelity
  • WiFi fifth-generation communication
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and can also be applied to an independent (Standalone, SA) network deployment scenario.
  • Carrier Aggregation, CA Carrier Aggregation
  • DC Dual Connectivity
  • SA independent network deployment scenario
  • the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where the licensed spectrum may also be Considered non-shared spectrum.
  • Non-Terrestrial Networks NTN
  • TN terrestrial communication network
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, where the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device can be a station (STATION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, next-generation communication systems such as end devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • a mobile phone Mobile Phone
  • a tablet computer Pad
  • a computer with a wireless transceiver function a virtual reality (Virtual Reality, VR) terminal device
  • augmented reality (Augmented Reality, AR) terminal Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • the terminal equipment involved in the embodiments of this application may also be referred to as terminal, user equipment (UE), access terminal equipment, vehicle-mounted terminal, industrial control terminal, UE unit, UE station, mobile station, mobile station, and remote station , remote terminal equipment, mobile equipment, UE terminal equipment, wireless communication equipment, UE proxy or UE device, etc.
  • Terminal devices can also be stationary or mobile.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • the network device may be a device for communicating with a mobile device, and the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA , it can also be a base station (NodeB, NB) in WCDMA, it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or in-vehicle equipment, wearable devices and NR networks
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network device may be a satellite or a balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a High Elliptical Orbit (HEO) ) satellite etc.
  • the network device may also be a base station set in a location such as land or water.
  • a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (
  • the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
  • Pico cell Femto cell (Femto cell), etc.
  • These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • FIG. 1A is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • 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 referred to as a communication terminal, a terminal).
  • the network device 110 may provide communication coverage for a particular geographic area, and may communicate with terminal devices located within the coverage area.
  • FIG. 1A 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 terminals equipment, which is not limited in this embodiment of the present application.
  • FIG. 1B is a schematic structural diagram of another communication system provided by an embodiment of the present application.
  • a terminal device 1101 and a satellite 1102 are included, and wireless communication can be performed between the terminal device 1101 and the satellite 1102 .
  • the network formed between the terminal device 1101 and the satellite 1102 may also be referred to as NTN.
  • the satellite 1102 can function as a base station, and the terminal device 1101 and the satellite 1102 can communicate directly. Under the system architecture, satellite 1102 may be referred to as a network device.
  • the communication system may include multiple network devices 1102, and the coverage of each network device 1102 may include other numbers of terminal devices, which are not limited in the embodiments of the present application.
  • FIG. 1C is a schematic structural diagram of another communication system provided by an embodiment of the present application.
  • a terminal device 1201 including a terminal device 1201 , a satellite 1202 and a base station 1203 , the terminal device 1201 and the satellite 1202 can communicate wirelessly, and the satellite 1202 and the base station 1203 can communicate.
  • the network formed between the terminal device 1201, the satellite 1202 and the base station 1203 may also be referred to as NTN.
  • the satellite 1202 may not have the function of the base station, and the communication between the terminal device 1201 and the base station 1203 needs to be relayed by the satellite 1202 .
  • the base station 1203 may be referred to as a network device.
  • the communication system may include multiple network devices 1203, and the coverage of each network device 1203 may include other numbers of terminal devices, which are not limited in the embodiments of the present application.
  • FIG. 1A-FIG. 1C merely illustrate the system to which the present application applies.
  • the methods shown in the embodiments of the present application may also be applied to other systems, such as a 5G communication system, an LTE communication system, etc. , which is not specifically limited in the embodiments of the present application.
  • the wireless communication system shown in FIGS. 1A-1C may further include a mobility management entity (Mobility Management Entity, MME), an access and mobility management function (Access and Mobility Management Function, AMF) and other network entities, which are not limited in this embodiment of the present application.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • a device having a communication function in the network/system may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal device 120 with a communication function, and 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 other network entities such as a network controller, a mobility management entity, etc., which are not limited in this embodiment of the present application.
  • the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
  • a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
  • the indication information in this embodiment of the present application includes system messages, physical layer signaling (for example, downlink control information (Downlink Control Information, DCI)), radio resource control (Radio Resource Control, RRC) signaling, and a media access control unit (Media Access Control Unit).
  • DCI Downlink Control Information
  • RRC Radio Resource Control
  • Media Access Control Unit Media Access Control Unit
  • MAC CE Access Control Control Element
  • the high-level parameters or high-level signaling in the embodiments of the present application include at least one of system messages, radio resource control (Radio Resource Control, RRC) signaling, and media access control elements (Media Access Control Control Element, MAC CE).
  • RRC Radio Resource Control
  • MAC CE Media Access Control Control Element
  • predefined may be implemented by pre-saving corresponding codes, forms, or other means that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
  • devices for example, including terminal devices and network devices.
  • predefined may refer to the definition in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, may include LTE protocol, NR protocol, and related protocols applied in future communication systems, which are not limited in this application.
  • Quasi Co-Location means that the large-scale parameters of the channel experienced by a symbol on one antenna port can be inferred from the channel experienced by a symbol on another antenna port.
  • the large-scale parameters may include delay spread, average delay, Doppler spread, Doppler frequency shift, average gain, and spatial reception parameters.
  • the above-mentioned large-scale channel parameters can be divided into different QCL types, which is convenient for the system to configure according to different scenarios where the terminal equipment is located.
  • the different QCL type configurations are defined as follows:
  • 'QCL-TypeA' ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇ ;
  • the beam distribution in the NR-NTN scenario includes the following two situations:
  • Case 1 As shown in Figure 2A.
  • One synchronization signal block (Synchronization Signal Block, SSB) corresponds to one terrestrial cell, or the beam width of SSB transmission is consistent with the beam width of data transmission.
  • One terrestrial cell corresponds to one BWP for data transmission.
  • BWP Band Width Part
  • the network device After the terminal device accesses the network through the SSB on the initial bandwidth part (Band Width Part, BWP) (ie, BWP#0), the network device will configure the terminal device with the BWP corresponding to the SSB when the terminal device accesses for data. transmission.
  • BWP Band Width Part
  • a channel state information reference signal (Channel State Information Reference Signal, CSI-RS) can also be transmitted in downlink (downlink, DL) BWP#1 to DL BWP#3, and the beam for CSI-RS transmission
  • the width and beam direction are consistent with the beam width and beam direction for data transmission.
  • the beam width and beam direction of the CSI-RS on DL BWP #2 of cell #1 are the same as the beam width and beam direction of SSB #1 of cell #1.
  • the large-scale parameters such as Doppler shift, Doppler spread, average delay and delay spread of the channel experienced by SSB#1 of cell #1 can be considered as the DL BWP of cell #1
  • the QCL reference of the CSI-RS on #2, or in other words, the SSB#1 is the QCL reference signal of the CSI-RS on the DL BWP#2, and its QCL type is 'QCL-TypeA'.
  • Case 2 As shown in Figure 2B.
  • One SSB corresponds to multiple terrestrial cells, or the beam width of SSB transmission is inconsistent with the beam width of data transmission, or the beam width of SSB transmission is larger than the beam width of data transmission.
  • One terrestrial cell corresponds to one BWP for data transmission.
  • CSI-RS can also be transmitted in DL BWP#1 to DL BWP#3, and the beam width and beam direction of CSI-RS transmission are consistent with the beam width and beam direction of data transmission.
  • the beam of SSB #1 of cell #1 includes beams of CSI-RS on DL BWP #1, CSI-RS on DL BWP #2, and CSI-RS on DL BWP #3 of cell #1.
  • this scenario may also be referred to as an umbrella beam scenario.
  • the large-scale parameters of Doppler shift and Doppler spread of the channel experienced by SSB#1 of cell #1 can be considered as DL BWP#1 or DL BWP#2 or The QCL reference of the CSI-RS on DL BWP#3, in other words, the SSB#1 is the QCL reference signal of the CSI-RS on the DL BWP#1 or DL BWP#2 or DL BWP#3, and its QCL type is 'QCL-TypeB'.
  • the antenna polarization modes of the satellite include Right Hand Circular Polarization (RHCP), Left Hand Circular Polarization (LHCP) and Linear Polarization (LP). at least one.
  • the antenna polarization mode of the terminal device also includes at least one of right-handed polarization, left-handed polarization, and linear polarization.
  • the NR-NTN scenario there may be a network deployment scenario in which adjacent cells use different polarization modes, thereby reducing inter-cell interference. If the antenna polarization patterns of the satellite and the terminal equipment match, the receiving performance can be increased; if the antenna polarization patterns of the satellite and the terminal equipment do not match, the receiving performance will be reduced or even the signal cannot be received. Moreover, in the above-mentioned network deployment scenario, if the terminal device still uses the method for determining the QCL relationship in the related art, it will lead to inefficient resource allocation. Therefore, in the NR-NTN scenario, how to determine the QCL relationship and the antenna polarization mode to improve the system performance is an urgent problem to be solved.
  • FIG. 3 is a schematic interaction diagram of a method 200 for wireless communication according to an embodiment of the present application. As shown in FIG. 3 , the method 200 includes the following contents:
  • the terminal device determines that the antenna polarization mode corresponding to the first physical channel or the first reference signal transmission on the first bandwidth part BWP is the first antenna polarization mode, and/or,
  • the terminal device determines that the quasi-co-located QCL reference signal corresponding to the first reference signal on the first BWP is the second reference signal on the second BWP.
  • the first BWP may include a first uplink BWP and/or a first downlink BWP.
  • the first BWP is a BWP on a first cell
  • the first cell corresponds to multiple BWPs
  • the physical channels or reference signals on the multiple BWPs transmit corresponding antenna poles
  • the polarization mode is the first antenna polarization mode.
  • the same antenna polarization pattern is used for physical channel transmission or reference signal transmission on the same cell.
  • the antenna polarization pattern is cell granular.
  • the first BWP is a BWP on a first cell
  • the first cell corresponds to multiple BWPs
  • physical channels or reference signals on other BWPs in the multiple BWPs The manner of determining the antenna polarization mode corresponding to the transmission is the same as that of determining the antenna polarization mode corresponding to the transmission of the first physical channel or the first reference signal on the first BWP.
  • the antenna polarization pattern is BWP granularity.
  • the determination of the antenna polarization mode corresponding to the transmission of the physical channel or reference signal on the first BWP is taken as an example for description.
  • the determined antenna polarization mode is the upper
  • the antenna polarization modes corresponding to the physical channel or reference signal transmission on other BWPs are not repeated here for brevity.
  • the first BWP is an activated BWP on the first cell. If there are multiple activated BWPs on the first cell, the first BWP may be any BWP on the multiple activated BWPs.
  • the first BWP includes a first downlink BWP
  • the second BWP includes a second downlink BWP
  • the second reference signal on the second downlink BWP can be used as the QCL reference signal of the first reference signal on the first downlink BWP.
  • the first BWP includes a first upstream BWP
  • the second BWP includes a second upstream BWP
  • the second reference signal on the second uplink BWP can be used as the QCL reference signal of the first reference signal on the first uplink BWP.
  • the first BWP includes a first upstream BWP
  • the second BWP includes a second downstream BWP
  • the second reference signal on the second downlink BWP may be used as the QCL reference signal of the first reference signal on the first uplink BWP.
  • the QCL reference signal corresponding to the first reference signal on the first uplink BWP is the second reference signal on the second downlink BWP, which can be a large-scale parameter or an antenna polarization mode of the second reference signal and can be used as the first reference QCL reference for the signal.
  • the QCL reference is determined based on the transceiving correspondence.
  • the second BWP may be an initial BWP.
  • the first BWP is a non-initial BWP.
  • the reference signal on the initial BWP may be used as a QCL reference signal that is not the reference signal on the initial BWP.
  • the terminal device may determine the antenna polarization mode corresponding to the physical channel or reference signal transmission on the non-initial BWP according to the antenna polarization mode corresponding to the physical channel or reference signal transmission on the initial BWP.
  • the second BWP includes a second downlink BWP, and the second downlink BWP is an initial downlink BWP.
  • the reference signal on the initial downlink BWP may be used as a QCL reference signal that is not a reference signal on the initial downlink BWP.
  • the terminal device may determine the antenna polarization mode corresponding to the physical channel or reference signal transmission on the non-initial downlink BWP according to the antenna polarization mode corresponding to the physical channel or reference signal transmission on the initial downlink BWP.
  • the second BWP includes a second upstream BWP, and the second upstream BWP is an initial upstream BWP.
  • the reference signal on the initial uplink BWP may be used as a QCL reference signal that is not the reference signal on the initial uplink BWP.
  • the terminal device may determine the antenna polarization mode corresponding to the physical channel or reference signal transmission on the non-initial uplink BWP according to the antenna polarization mode corresponding to the physical channel or reference signal transmission on the initial uplink BWP.
  • the second BWP includes one BWP and the first BWP includes multiple BWPs.
  • multiple reference signals on the second BWP may be used as QCL reference signals for the reference signals on the multiple BWPs included in the first BWP.
  • the multiple reference signals on the second BWP are in one-to-one correspondence with the multiple BWPs included in the first BWP.
  • the terminal device may determine antenna polarization modes corresponding to physical channels or reference signal transmissions on multiple BWPs included in the first BWP according to antenna polarization modes corresponding to multiple physical channels or reference signal transmissions on the second BWP.
  • the multiple physical channels or reference signals on the second BWP are in one-to-one correspondence with the multiple BWPs included in the first BWP.
  • the first BWP and the second BWP are the same BWP, that is, all reference signals on the same BWP may be considered to have a QCL relationship.
  • all reference signals on the first BWP may be considered to have a QCL relationship.
  • the first BWP includes a first downlink BWP
  • the first reference signal includes at least one of the following:
  • TRS Tracking Reference Signals
  • CSI-RS Channel State Information Reference Signal
  • DMRS Demodulation Reference Signal
  • PDSCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the first reference signal includes DMRS for PDCCH and DMRS for PDSCH on the first downlink BWP.
  • the CSI-RS includes CSI-RS for beam management (Beam Management, BM) and/or CSI-RS for channel state information (Channel State Information, CSI).
  • Beam Management BM
  • CSI-RS Channel State Information
  • the first BWP includes a first downlink BWP
  • the first physical channel includes at least one of the following: PDCCH and PDSCH.
  • the first physical channel includes PDCCH and PDSCH on the first downlink BWP.
  • the first BWP includes a first uplink BWP
  • the first reference signal includes at least one of the following:
  • TRS Sounding Reference Signal
  • SRS Sounding Reference Signal
  • DMRS Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • the first reference signal includes DMRS for PUCCH and DMRS for PUSCH on the first uplink BWP.
  • the first BWP includes a first uplink BWP
  • the first physical channel includes at least one of the following:
  • PUCCH Physical Random Access Channel
  • PRACH Physical Random Access Channel
  • the first physical channel includes PUCCH and PUSCH on the first uplink BWP.
  • the second BWP includes a second downlink BWP
  • the second reference signal includes at least one of the following: SSB and CSI-RS.
  • the second BWP includes a second uplink BWP
  • the second reference signal includes an SRS
  • first reference signal the second reference signal
  • first physical channel in the above examples are only examples. In other embodiments, other signals or channels may also be included, and the present application is not limited thereto.
  • the antenna polarization mode in this embodiment of the present application may include an uplink antenna polarization mode and/or a downlink antenna polarization mode.
  • the first downlink antenna polarization mode and/or the first uplink antenna polarization mode wherein the first downlink antenna polarization mode and the first uplink antenna polarization mode may be the same, or may different.
  • the antenna polarization mode may also be replaced by an antenna polarization direction, and the antenna polarization direction may include an uplink antenna polarization direction and/or a downlink antenna polarization direction.
  • the downlink antenna polarization mode includes at least one of RHCP, LHCP, and LP.
  • the downlink antenna polarization mode may refer to the antenna polarization mode of the network device.
  • the network device may be a network device of a terrestrial cell, or may also be a network device of a non-terrestrial cell, such as a satellite.
  • the uplink antenna polarization mode includes at least one of RHCP, LHCP, and LP.
  • the uplink antenna polarization mode is the antenna polarization mode of the terminal device.
  • the uplink antenna polarization mode is reported by the terminal device to the network device.
  • the terminal device reports the uplink antenna polarization mode supported by the terminal device to the network device.
  • the network device indicates the corresponding antenna polarization mode when the terminal device performs physical signal or physical channel transmission on the uplink BWP.
  • the first antenna polarization mode may be determined based on the first configuration information sent by the network device.
  • the first configuration information may be sent through at least one of the following signaling:
  • Radio Resource Control Radio Resource Control
  • RRC Radio Resource Control
  • MAC CE Media Access Control Control Element
  • DCI Downlink Control Information
  • the network device indicates through the first configuration information that the antenna polarization mode corresponding to the first physical channel or the first reference signal transmission on the first BWP is the first antenna polarization mode.
  • the first configuration information may include QCL type configuration information and/or QCL relationship configuration information.
  • the QCL relationship configuration information is used to determine that the QCL reference signal corresponding to the first reference signal is the second reference signal. In other words, the first reference signal and the second reference signal have a QCL relationship.
  • the QCL type configuration information is used to configure the QCL type corresponding to the QCL relationship of the first reference signal and the second reference signal. That is, the first reference signal may refer to the target large-scale parameter and/or the antenna polarization mode of the second reference signal.
  • the QCL type configuration information may include antenna polarization parameters. That is, in this embodiment of the present application, the antenna polarization parameter may be carried through the QCL type configuration information.
  • the antenna polarization parameter may include an antenna polarization mode and/or an antenna polarization direction.
  • the QCL type configuration information includes a first QCL type, and the parameters included in the first QCL type are one of the following:
  • a QCL type for configuring antenna polarization parameters may be added, or an antenna polarization parameter may be added to the QCL type for configuring spatial reception parameters.
  • the QCL type configuration information includes a first QCL type, and the parameters included in the first QCL type are one of the following:
  • the parameters included in the QCL type include not only large-scale parameters but also antenna polarization parameters.
  • the terminal device may determine, according to the QCL relationship configuration information, that the QCL reference signal corresponding to the first reference signal is the second reference signal, if the second reference signal transmits the corresponding
  • the antenna polarization mode is the first antenna polarization mode
  • the QCL type configuration information includes an antenna polarization parameter
  • the terminal device can determine the first reference signal transmission corresponding to the QCL type configuration information according to the QCL type configuration information.
  • the antenna polarization mode is the first antenna polarization mode.
  • the antenna polarization mode corresponding to the transmission of the second reference signal is the first antenna polarization mode, which may be predefined or indicated by a network device, for example, through system messages, RRC signaling , at least one of MAC CE and DCI indicates, or it may be determined according to a preset rule, which is not limited in this application.
  • the first QCL type may be one of the following:
  • 'QCL-eTypeA' ⁇ Doppler shift, Doppler spread, average delay, delay spread, antenna polarization mode ⁇ ;
  • 'QCL-eTypeC' ⁇ Doppler shift (Doppler shift), average delay (average delay), antenna polarization mode ⁇ ;
  • the antenna polarization mode can be added to the parameters corresponding to the existing QCL type to obtain an enhanced QCL type.
  • the first QCL type may be one of the following:
  • 'QCL-TypeA' ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇ ;
  • the antenna polarization mode can be added to the parameters corresponding to the existing QCL type D to obtain an enhanced QCL type D.
  • the first QCL type may be one of the following:
  • 'QCL-TypeA' ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇ ;
  • QCL type E is added, and QCL type E is used to indicate that the antenna polarization modes of the two antenna ports are the same.
  • the first BWP is a first downlink BWP
  • the first configuration information may be transmission configuration indicator (Transmission Configuration Indicator, TCI) indication information, where the TCI indication information is used to indicate multiple downlinks
  • TCI Transmission Configuration Indicator
  • the reference signal indicates multiple types of reference sources corresponding to the first reference signal on the first downlink BWP.
  • the multiple downlink reference signals include a maximum of three downlink reference signals.
  • the network device may configure M TCI states through RRC signaling, where M is a positive integer, and each TCI state corresponds to one QCL reference signal. Further, select at most 8 TCI states from the M TCI states through the MAC CE and correspond to the 3-bit TCI indication information in the DCI, wherein, if the value of M is less than or equal to 8, then the M TCI states and the DCI Corresponds to the TCI indication information in .
  • a TCI state is selected from the TCI states corresponding to the TCI indication information in the DCI through the DCI, and is used as the QCL reference signal of the first reference signal.
  • the TCI indication information is used to indicate at least one of the following information:
  • TCI state ID used to identify a TCI state
  • a QCL information also includes the following information:
  • QCL type configuration which can be one of QCL type A, QCL type B, QCL type C, QCL type D, and QCL type E;
  • the QCL reference signal configuration includes the ID of the cell where the reference signal is located, the BWP ID, and the identifier of the reference signal (eg, CSI-RS resource ID or SSB index).
  • the QCL type of at least one of QCL information 1, QCL information 2 and QCL information 3 is one of QCL TypeA, QCL TypeB, and QCL TypeC, and one of the other two QCL information (if configured)
  • the QCL type is QCL type D
  • the QCL type of the other QCL information (if configured) in the other two QCL information is QCL type E.
  • the available QCL reference signals for PDSCH DMRS may include one of the cases shown in Table 1:
  • the available QCL reference signals for PDSCH DMRS may include one of the cases shown in Table 2:
  • the antenna polarization mode corresponding to the first physical channel or the first reference signal on the first BWP may be determined in the following manner.
  • the first antenna polarization mode is determined according to a first correlation relationship, where the first correlation relationship is used to characterize the correlation relationship between the antenna polarization mode and the BWP.
  • the terminal device may determine that the antenna polarization mode corresponding to the first physical channel or the first reference signal transmission on the first BWP is as follows: the first antenna polarization mode.
  • the first association relationship may include the association relationship between the downlink antenna polarization mode and the BWP and/or the association relationship between the uplink antenna polarization mode and the BWP.
  • the first association relationship may be predefined, and/or configured by a network device.
  • the network device configures the first association relationship through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the first association relationship may be included in the second configuration information.
  • the second configuration information may be any configuration information sent by the network device to the terminal device, for example, BWP configuration information, frequency band configuration information, and the like.
  • the second configuration information may be sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the first antenna polarization mode is determined according to a first QCL relationship and/or a second correlation relationship, where the first QCL relationship is used to represent the BWP identification ID and the reference signal The QCL relationship of the index, where the second relationship is used to represent the relationship between the antenna polarization mode and the reference signal index.
  • the QCL relationship in the first QCL relationship may represent:
  • All reference signals on the BWP corresponding to the BWP ID and the SSB indicated by the SSB index corresponding to the BWP ID have a QCL relationship; or,
  • the reference signal corresponding to the BWP corresponding to the BWP ID and the SSB indicated by the SSB index corresponding to the BWP ID both have a QCL relationship.
  • the reference signal corresponding to the first BWP may refer to a reference signal transmitted on the first BWP, or a reference signal on other BWPs having a QCL relationship with the reference signal on the first BWP.
  • the first antenna polarization mode is an antenna polarization mode associated with a reference signal corresponding to the first BWP.
  • the reference signal corresponding to the first BWP may refer to a reference signal transmitted on the first BWP, or a reference signal on other BWPs having a QCL relationship with the reference signal on the first BWP.
  • the first BWP on the first BWP can be The antenna polarization mode of the reference signal is determined as the first antenna polarization mode.
  • the reference signal index may include an SSB index and/or a CSI-RS identification (Identify, ID).
  • the first QCL relationship may be a QCL relationship between a BWP ID and an SSB index.
  • the second association may be an association between an antenna polarization mode and an SSB index.
  • the second association relationship may include an association relationship between a downlink antenna polarization mode and a reference signal index and/or an association relationship between an uplink antenna polarization mode and a reference signal index.
  • the association between the downlink antenna polarization mode and the SSB index may include:
  • the association between the uplink antenna polarization mode and the SSB index may include:
  • the terminal device can use the uplink polarization mode 0 corresponding to SSB0 to perform uplink transmission; or, if the terminal device accesses the network through SSB1, the terminal device uses the uplink polarization mode 1 corresponding to SSB1 to perform Uplink transmission; or, if the terminal device accesses the network through SSB2, the terminal device uses the uplink polarization mode 2 corresponding to SSB2 to perform uplink transmission.
  • the network device may configure whether to support circular polarization, and if circular polarization is supported, the second association relationship may be predefined.
  • the SSB corresponding to the odd SSB index is associated with the RHCP, and the SSB corresponding to the even SSB index is associated with the LHCP; or, the SSB corresponding to the even SSB index is associated with the RHCP, and the SSB corresponding to the odd SSB index is associated with the LHCP.
  • the antenna polarization mode associated with the SSB corresponding to any SSB index is LP.
  • the terminal device may report to the network device whether the terminal device supports circular polarization. If the terminal device supports circular polarization, the terminal device performs uplink transmission according to the correlation between the uplink antenna polarization mode and the SSB index. Or if circular polarization is not supported, the terminal device determines that the polarization mode of the uplink antenna is LP.
  • the first QCL relationship is predefined or configured by a network device.
  • the network device configures the first QCL relationship through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the first QCL relationship may be included in the third configuration information.
  • the third configuration information may be any configuration information sent by the network device to the terminal device, for example, BWP configuration information, frequency band configuration information, and the like.
  • the third configuration information may be sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the second association relationship is predefined or configured by a network device.
  • the network device sends the second association relationship through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the second association relationship may be included in the fourth configuration information.
  • the fourth configuration information may be sent through at least one of system messages, RRC signaling, MAC CE and DCI.
  • the fourth configuration information may be any configuration information sent by the network device to the terminal device, for example, BWP configuration information, frequency band configuration information, and the like.
  • the first antenna polarization mode is used for radio resource management (Radio Resource Management, RRM) measurement and/or radio link management (radio link monitoring, RLM) measurement.
  • RRM Radio Resource Management
  • RLM radio link management
  • the second association is used for RRM measurement and/or RLM measurement.
  • the second association relationship may include the association relationship between the antenna polarization mode of the neighboring cell and the reference signal index.
  • the network device configures the association relationship between the antenna polarization mode of the neighboring cell and the reference signal index. RRM measurements of neighboring cells are performed in relation to each other.
  • the QCL relationship between the first reference signal and the second reference signal is determined according to a second QCL relationship, where the second QCL relationship is used to represent the BWP ID and the reference signal index the QCL relationship.
  • the QCL relationship in the second QCL relationship may represent:
  • All reference signals on the BWP corresponding to the BWP ID and the SSB indicated by the SSB index corresponding to the BWP ID have a QCL relationship; or,
  • the reference signal corresponding to the BWP corresponding to the BWP ID and the SSB indicated by the SSB index corresponding to the BWP ID both have a QCL relationship.
  • the reference signal corresponding to the first BWP may refer to a reference signal transmitted on the first BWP, or a reference signal on other BWPs having a QCL relationship with the reference signal on the first BWP.
  • the terminal device may determine, according to the second QCL relationship, that all reference signals on one BWP correspond to the same reference signal; or, determine that the reference signals corresponding to one BWP all correspond to the same reference signal.
  • the second QCL relationship is predefined or configured by a network device.
  • the network device configures the second QCL relationship through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the second QCL relationship may be included in the fifth configuration information.
  • the fifth configuration information may be any configuration information sent by the network device to the terminal device, for example, BWP configuration information, frequency band configuration information, and the like.
  • the fifth configuration information may be sent through at least one of system messages, RRC signaling, MAC CE and DCI.
  • the second reference signal is used as a QCL reference signal of the first reference signal, which may refer to a large-scale parameter and/or an antenna polarization mode of the second reference signal that may be used as the first reference signal.
  • QCL reference may refer to a large-scale parameter and/or an antenna polarization mode of the second reference signal that may be used as the first reference signal.
  • the QCL type corresponding to the QCL relationship between the second reference signal and the first reference signal may be predefined or configured by a network device, for example, the network device may use system messages, RRC At least one of signaling, MAC CE and DCI indication.
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including:
  • the parameter of the second reference signal is the QCL reference of the first reference signal, and the parameter includes one of the following conditions:
  • Doppler shift, Doppler spread, average delay and delay spread or, corresponding to 'QCL-TypeA';
  • Doppler shift and average delay or, for 'QCL-TypeC'.
  • the above-mentioned QCL relation 1 can be applied to frequency bands below 6 GHz.
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including:
  • the parameter of the second reference signal is the QCL reference of the first reference signal, and the parameter includes one of the following conditions:
  • Doppler frequency shift, Doppler spread, average delay, delay spread and spatial reception parameters or, corresponding to 'QCL-TypeA'+'QCL-TypeD';
  • Doppler frequency shift, Doppler spread and spatial reception parameters or, corresponding to 'QCL-TypeB'+'QCL-TypeD';
  • Doppler frequency shift, average delay and spatial reception parameters or, corresponding to 'QCL-TypeC'+'QCL-TypeD';
  • Spatial reception parameter or, corresponding to 'QCL-TypeD'.
  • the above-mentioned QCL relation 2 can be applied to frequency bands below 6 GHz.
  • the above-mentioned QCL relation 2 may be applied to frequency bands above 6 GHz.
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including:
  • the parameter of the second reference signal is the QCL reference of the first reference signal, and the parameter includes one of the following conditions:
  • Doppler frequency shift, Doppler spread, average delay, delay spread and antenna polarization parameters or, corresponding to 'QCL-TypeA'+'QCL-TypeE'; or, corresponding to 'QCL-eTypeA';
  • Doppler frequency shift, Doppler spread and antenna polarization parameters or, corresponding to 'QCL-TypeB'+'QCL-TypeE'; or, corresponding to 'QCL-eTypeB';
  • Doppler frequency shift, average delay and antenna polarization parameters or, corresponding to 'QCL-TypeC'+'QCL-TypeE'; or, corresponding to 'QCL-eTypeC';
  • Antenna polarization parameter or, corresponding to 'QCL-TypeE'; or, corresponding to 'QCL-eTypeD'.
  • the above-mentioned QCL relation 3 may be applied to frequency bands above 6 GHz.
  • the above-mentioned QCL relation 3 can be applied to frequency bands below 6 GHz.
  • the QCL reference signal corresponding to the first reference signal is the second reference signal
  • the parameters include the following cases one of:
  • Doppler shift, Doppler spread, average delay, delay spread, spatial reception parameters, and antenna polarization parameters or, corresponding to 'QCL-TypeA'+'QCL-TypeD'+'QCL-TypeE'; or , corresponding to 'QCL-eTypeA'+'QCL-TypeD'; or, corresponding to 'QCL-TypeA'+'QCL-eTypeD';
  • Doppler shift, Doppler spread, spatial reception parameters and antenna polarization parameters or, corresponding to 'QCL-TypeB'+'QCL-TypeD'+'QCL-TypeE'; or, corresponding to 'QCL-eTypeB'+ 'QCL-TypeD'; or, corresponding to 'QCL-TypeB'+'QCL-eTypeD';
  • Doppler frequency shift, average delay, spatial reception parameters and antenna polarization parameters or, corresponding to 'QCL-TypeC'+'QCL-TypeD'+'QCL-TypeE'; or, corresponding to 'QCL-eTypeC'+' QCL-TypeD'; or, corresponding to 'QCL-TypeC'+'QCL-eTypeD';
  • Spatial reception parameters and antenna polarization parameters corresponding to 'QCL-TypeD'+'QCL-TypeE'; or, corresponding to 'QCL-eTypeD'.
  • the above-mentioned QCL relation 4 may be applied to frequency bands below 6 GHz.
  • the above-mentioned QCL relation 4 may be applied to frequency bands above 6 GHz.
  • the antenna polarization modes corresponding to the first reference signal and the second reference signal are different, the first reference signal and the second reference signal do not have a QCL relationship.
  • the antenna polarization modes corresponding to the first reference signal and the second reference signal may be configured by a network device, or may be predefined, or determined according to other preset rules.
  • the terminal device does not expect the network device to configure the two reference signals as reference signals having a QCL relationship.
  • the second reference signal is the SSB on the initial BWP
  • the first reference signal includes TRS on the first BWP, DMRS for PDCCH, DMRS for PDSCH.
  • the SSB#0 on the DL BWP#0 and the reference signal on the DL BWP#1 have a QCL relationship
  • the SSB#1 on the DL BWP#0 and the DL Reference signals on BWP#2 have a QCL relationship
  • reference signals on DL BWP#0 and SSB#2 and DL BWP#3 have a QCL relationship.
  • the QCL type between the reference signals may be any of the foregoing embodiments, and it is exemplified that the QCL type between the reference signals is 'QCL-TypeA'+'QCL-TypeE'.
  • the network device configures the terminal device with DL BWP#2 for data transmission in the connected state after the terminal device accesses the network. Accordingly, the terminal device can determine the DL BWP#2.
  • the reference signal of BWP#2 and SSB#1 on DL BWP#0 satisfy the QCL relationship.
  • the terminal device can, according to the QCL relationship between SSB#1 and the DMRS of PDSCH2, assume that the QCL relationship is 'QCL-TypeA'+ 'QCL-TypeE', the Doppler shift, Doppler spread, average delay, delay spread and antenna polarization mode of the channel are obtained from SSB#1 to adjust the filtering parameters of the DMRS channel estimator of PDSCH2, so that The reception of PDSCH2 is performed.
  • the terminal device can determine the antenna polarization mode corresponding to the physical channel or reference signal transmission on the non-initial BWP according to the antenna polarization mode corresponding to the physical channel or reference signal transmission on the initial BWP, or according to the QCL type configuration information or the first A correlation relationship determines the antenna polarization mode corresponding to the physical channel or reference signal on the non-initial BWP, or determines the antenna polarization mode corresponding to the physical channel or reference signal on the non-initial BWP according to the second correlation relationship and the first QCL relationship , which is beneficial to avoid the problem that the mismatch of the antenna polarization modes of the terminal device and the network device affects the reception performance.
  • the terminal device determines that the reference signal on the initial BWP and the reference signal on the non-initial BWP have a QCL relationship, which helps to avoid the problem of low resource configuration efficiency caused by configuring the QCL relationship through the network device.
  • the wireless communication method according to the embodiment of the present application is described in detail from the perspective of a terminal device, and the wireless communication according to another embodiment of the present application is described in detail below in conjunction with Fig. 5 from the perspective of a network device Methods. It should be understood that the description on the side of the network device corresponds to the description on the side of the terminal device, and similar descriptions can be referred to above, which are not repeated here to avoid repetition.
  • FIG. 5 is a schematic flowchart of a method 300 for wireless communication according to another embodiment of the present application.
  • the method 300 may be executed by a network device in the communication system shown in FIG. 1 .
  • the method 300 includes as follows:
  • the network device sends first information to the terminal device, where the first information is used by the terminal device to determine that the antenna polarization mode corresponding to the first physical channel or the first reference signal transmission on the first bandwidth part BWP is the first Antenna polarization mode, and/or, the quasi-co-located QCL reference signal corresponding to the first reference signal on the first BWP is the second reference signal on the second BWP.
  • the first information includes first configuration information, where the first antenna polarization mode is determined by the first configuration information, and the first configuration information is defined in the following signaling at least one transmission of:
  • Radio resource control RRC signaling radio resource control RRC signaling
  • medium access control MAC control element CE medium access control MAC control element CE
  • downlink control information DCI downlink control information
  • the first configuration information includes QCL type configuration information and/or QCL relationship configuration information.
  • the QCL type configuration information includes antenna polarization parameters; and/or,
  • the QCL relationship configuration information is used to determine that the QCL reference signal corresponding to the first reference signal is the second reference signal.
  • the QCL type configuration information includes a first QCL type, and the parameters included in the first QCL type are one of the following:
  • the QCL type configuration information includes a first QCL type, and the parameters included in the first QCL type are one of the following:
  • the first information includes a first association relationship, wherein the first antenna polarization mode is determined according to the first association relationship, wherein the first association relationship is used for Characterize the correlation between antenna polarization mode and BWP.
  • the first association relationship is sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the first information includes a first QCL relationship and/or a second correlation relationship, wherein the first antenna polarization mode is based on the first QCL relationship and/or the first Two correlation relationships are determined, wherein the first QCL relationship is used to represent the QCL relationship between the BWP identifier ID and the reference signal index, and the second correlation relationship is used to represent the correlation relationship between the antenna polarization mode and the reference signal index.
  • the first antenna polarization mode is an antenna polarization mode associated with a reference signal corresponding to the first BWP.
  • the first QCL relationship is sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the second association relationship is sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the second association relationship is used for radio resource management RRM measurement and/or radio link management RLM measurement.
  • the first antenna polarization mode is used for radio resource management RRM measurement and/or radio link management RLM measurement.
  • the first BWP is a BWP on a first cell
  • the first cell corresponds to multiple BWPs
  • the physical channels or reference signals on the multiple BWPs transmit corresponding antenna polarization modes is the first antenna polarization mode.
  • the first BWP is a BWP on a first cell
  • the first cell corresponds to multiple BWPs
  • physical channels or reference signal transmissions on other BWPs in the multiple BWPs correspond to
  • the indication manner of the antenna polarization mode is the same as the indication manner of the antenna polarization mode corresponding to the transmission of the first physical channel or the first reference signal on the first BWP.
  • the first antenna polarization mode includes a first downlink antenna polarization mode and/or a first uplink antenna polarization mode.
  • the first information includes a second QCL relationship, wherein the QCL relationship between the first reference signal and the second reference signal is determined according to the second QCL relationship, wherein, The second QCL relationship is used to characterize the QCL relationship between the BWP ID and the reference signal index.
  • the second QCL relationship is sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the second BWP includes a second downlink BWP
  • the second reference signal includes at least one of the following: a synchronization signal block SSB and a CSI-RS.
  • the second downlink BWP is an initial downlink BWP.
  • the first BWP includes a first downlink BWP
  • the first reference signal includes at least one of the following:
  • Tracking reference signal TRS channel state information reference signal CSI-RS, demodulation reference signal DMRS for physical downlink control channel PDCCH, DMRS for physical downlink shared channel PDSCH.
  • the first BWP includes a first downlink BWP
  • the first physical channel includes at least one of the following:
  • the second BWP includes a second uplink BWP
  • the second reference signal includes an SRS
  • the first BWP includes a first uplink BWP
  • the first reference signal includes at least one of the following:
  • Tracking reference signal TRS channel sounding reference signal SRS, demodulation reference signal DMRS for physical uplink control channel PUCCH, DMRS for physical uplink shared channel PUSCH.
  • the first BWP includes a first uplink BWP
  • the first physical channel includes at least one of the following: PUCCH, PUSCH, and PRACH.
  • the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not be dealt with in the present application.
  • the implementation of the embodiments constitutes no limitation.
  • downlink indicates that the transmission direction of the signal or data is the transmission direction from the station
  • uplink is used to indicate that the transmission direction of the signal or data is the second direction sent from the user equipment of the cell to the site
  • sideline is used to indicate that the transmission direction of the signal or data is The third direction sent from user equipment 1 to user equipment 2.
  • downlink signal indicates that the transmission direction of the signal is the first direction.
  • the term "and/or" is only an association relationship for describing associated objects, indicating that there may be three kinds of relationships. Specifically, A and/or B can represent three situations: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character "/" in this document generally indicates that the related objects are an "or" relationship.
  • FIG. 6 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes:
  • the processing unit 410 is configured to determine that the antenna polarization mode corresponding to the first physical channel or the first reference signal transmission on the first bandwidth part BWP is the first antenna polarization mode, and/or, configured to determine the first BWP
  • the quasi-co-located QCL reference signal corresponding to the above-mentioned first reference signal is the second reference signal on the second BWP.
  • the first antenna polarization mode is determined based on first configuration information sent by a network device, and the first configuration information is transmitted through at least one of the following signaling:
  • Radio resource control RRC signaling radio resource control RRC signaling
  • medium access control MAC control element CE medium access control MAC control element CE
  • downlink control information DCI downlink control information
  • the first configuration information includes QCL type configuration information and/or QCL relationship configuration information.
  • the QCL type configuration information includes antenna polarization parameters; and/or,
  • the QCL relationship configuration information is used to determine that the QCL reference signal corresponding to the first reference signal is the second reference signal.
  • the QCL type configuration information includes a first QCL type, and the parameters included in the first QCL type are one of the following:
  • the QCL type configuration information includes a first QCL type, and the parameters included in the first QCL type are one of the following:
  • the QCL type configuration information includes an antenna polarization parameter
  • the terminal device determines that the antenna polarization mode corresponding to the transmission of the first physical channel or the first reference signal on the first bandwidth part BWP is as follows:
  • the first antenna polarization mode including:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal
  • the antenna polarization mode corresponding to the transmission of the second reference signal is the first antenna polarization mode
  • the terminal device according to the QCL The type configuration information determines that the antenna polarization mode corresponding to the first reference signal transmission is the first antenna polarization mode.
  • the first antenna polarization mode is determined according to a first correlation relationship, where the first correlation relationship is used to characterize the correlation relationship between the antenna polarization mode and the BWP.
  • the first association relationship is predefined, or determined based on at least one of a system message sent by a network device, RRC signaling, MAC CE, and DCI.
  • the first antenna polarization mode is determined according to a first QCL relationship and/or a second association relationship, where the first QCL relationship is used to represent the BWP identification ID and the reference signal index the QCL relationship, the second relationship is used to represent the relationship between the antenna polarization mode and the reference signal index.
  • the first antenna polarization mode is an antenna polarization mode associated with a reference signal corresponding to the first BWP.
  • the first QCL relationship is predefined, or determined based on at least one of a system message sent by a network device, RRC signaling, MAC CE, and DCI.
  • the second association relationship is predefined, or determined based on at least one of a system message sent by a network device, RRC signaling, MAC CE, and DCI.
  • the first antenna polarization mode is used for radio resource management RRM measurement and/or radio link management RLM measurement.
  • the first BWP is a BWP on a first cell
  • the first cell corresponds to multiple BWPs
  • the physical channels or reference signals on the multiple BWPs transmit corresponding antenna polarization modes is the first antenna polarization mode.
  • the first BWP is a BWP on a first cell
  • the first cell corresponds to multiple BWPs
  • physical channels or reference signal transmissions on other BWPs in the multiple BWPs correspond to
  • the antenna polarization mode is determined in the same manner as the antenna polarization mode corresponding to the transmission of the first physical channel or the first reference signal on the first BWP.
  • the first antenna polarization mode includes a first downlink antenna polarization mode and/or a first uplink antenna polarization mode.
  • the QCL relationship between the first reference signal and the second reference signal is determined according to a second QCL relationship, where the second QCL relationship is used to represent the BWP ID and the reference signal index the QCL relationship.
  • the second QCL relationship is predefined, or determined based on at least one of a system message sent by a network device, RRC signaling, MAC CE, and DCI.
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the second BWP includes a second downlink BWP
  • the second reference signal includes at least one of the following: a synchronization signal block SSB and a CSI-RS.
  • the second downlink BWP is an initial downlink BWP.
  • the first BWP includes a first downlink BWP
  • the first reference signal includes at least one of the following: a tracking reference signal TRS, a channel state information reference signal CSI-RS, a reference signal for The demodulation reference signal DMRS for the physical downlink control channel PDCCH, and the DMRS for the physical downlink shared channel PDSCH.
  • the first BWP includes a first downlink BWP
  • the first physical channel includes at least one of the following: PDCCH and PDSCH.
  • the second BWP includes a second uplink BWP
  • the second reference signal includes an SRS
  • the first BWP includes a first uplink BWP
  • the first reference signal includes at least one of the following: a tracking reference signal TRS, a channel sounding reference signal SRS, a physical uplink control channel
  • TRS tracking reference signal
  • SRS channel sounding reference signal
  • DMRS demodulation reference signal
  • the first BWP includes a first uplink BWP
  • the first physical channel includes at least one of the following: PUCCH, PUSCH, and PRACH.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 400 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 the various units in the terminal device 400 are respectively for realizing the method shown in FIG. 3 .
  • the corresponding process of the terminal device in 200 is not repeated here for brevity.
  • FIG. 7 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 500 of FIG. 7 includes:
  • the communication unit 510 is configured to send first information to the terminal device, where the first information is used by the terminal device to determine that the antenna polarization mode corresponding to the transmission of the first physical channel or the first reference signal on the first bandwidth part BWP is:
  • the first antenna polarization mode, and/or the quasi-co-located QCL reference signal corresponding to the first reference signal on the first BWP is the second reference signal on the second BWP.
  • the first information includes first configuration information, where the first antenna polarization mode is determined by the first configuration information, and the first configuration information is defined in the following signaling at least one transmission of:
  • Radio resource control RRC signaling radio resource control RRC signaling
  • medium access control MAC control element CE medium access control MAC control element CE
  • downlink control information DCI downlink control information
  • the first configuration information includes QCL type configuration information and/or QCL relationship configuration information.
  • the QCL type configuration information includes antenna polarization parameters; and/or,
  • the QCL relationship configuration information is used to determine that the QCL reference signal corresponding to the first reference signal is the second reference signal.
  • the QCL type configuration information includes a first QCL type, and the parameters included in the first QCL type are one of the following:
  • the QCL type configuration information includes a first QCL type, and the parameters included in the first QCL type are one of the following:
  • the first information includes a first association relationship, wherein the first antenna polarization mode is determined according to the first association relationship, wherein the first association relationship is used for Characterize the correlation between antenna polarization mode and BWP.
  • the first association relationship is sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the first information includes a first QCL relationship and/or a second correlation relationship, wherein the first antenna polarization mode is based on the first QCL relationship and/or the first Two correlation relationships are determined, wherein the first QCL relationship is used to represent the QCL relationship between the BWP identifier ID and the reference signal index, and the second correlation relationship is used to represent the correlation relationship between the antenna polarization mode and the reference signal index.
  • the first antenna polarization mode is an antenna polarization mode associated with a reference signal corresponding to the first BWP.
  • the first QCL relationship is sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the second association relationship is sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the second association relationship is used for radio resource management RRM measurement and/or radio link management RLM measurement.
  • the first antenna polarization mode is used for radio resource management RRM measurement and/or radio link management RLM measurement.
  • the first BWP is a BWP on a first cell
  • the first cell corresponds to multiple BWPs
  • the physical channels or reference signals on the multiple BWPs transmit corresponding antenna polarization modes is the first antenna polarization mode.
  • the first BWP is a BWP on a first cell
  • the first cell corresponds to multiple BWPs
  • physical channels or reference signal transmissions on other BWPs in the multiple BWPs correspond to
  • the indication manner of the antenna polarization mode is the same as the indication manner of the antenna polarization mode corresponding to the transmission of the first physical channel or the first reference signal on the first BWP.
  • the first antenna polarization mode includes a first downlink antenna polarization mode and/or a first uplink antenna polarization mode.
  • the first information includes a second QCL relationship, wherein the QCL relationship between the first reference signal and the second reference signal is determined according to the second QCL relationship, wherein, The second QCL relationship is used to characterize the QCL relationship between the BWP ID and the reference signal index.
  • the second QCL relationship is sent through at least one of system messages, RRC signaling, MAC CE, and DCI.
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the QCL reference signal corresponding to the first reference signal is the second reference signal, including: the parameter of the second reference signal is the QCL reference of the first reference signal, the Parameters include one of the following:
  • the second BWP includes a second downlink BWP
  • the second reference signal includes at least one of the following:
  • Synchronization Signal Blocks SSB and CSI-RS Synchronization Signal Blocks SSB and CSI-RS.
  • the second downlink BWP is an initial downlink BWP.
  • the first BWP includes a first downlink BWP
  • the first reference signal includes at least one of the following:
  • Tracking reference signal TRS channel state information reference signal CSI-RS, demodulation reference signal DMRS for physical downlink control channel PDCCH, DMRS for physical downlink shared channel PDSCH.
  • the first BWP includes a first downlink BWP
  • the first physical channel includes at least one of the following:
  • the second BWP includes a second uplink BWP
  • the second reference signal includes an SRS
  • the first BWP includes a first uplink BWP
  • the first reference signal includes at least one of the following:
  • Tracking reference signal TRS channel sounding reference signal SRS, demodulation reference signal DMRS for physical uplink control channel PUCCH, DMRS for physical uplink shared channel PUSCH.
  • the first BWP includes a first uplink BWP
  • the first physical channel includes at least one of the following: PUCCH, PUSCH, and PRACH.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • the network device 500 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 500 are respectively for realizing the method shown in FIG. 5 .
  • the corresponding process of the network device in 300 is not repeated here for brevity.
  • FIG. 8 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in FIG. 8 includes a processor 610, and the processor 610 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620 .
  • the processor 610 may call and run a computer program from the memory 620 to implement the methods in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610 , or may be integrated in the processor 610 .
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by a device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 600 may specifically be the network device in this embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method in the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • the communication device 600 may specifically be the mobile terminal/terminal device of the embodiments of the present application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, for the sake of brevity. , and will not be repeated here.
  • FIG. 9 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 9 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the method in this embodiment of the present application.
  • the chip 700 may further include a memory 720 .
  • the processor 710 may call and run a computer program from the memory 720 to implement the methods in the embodiments 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 chip 700 may further include an input interface 730 .
  • the processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740 .
  • the processor 710 can control the output interface 740 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 processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • 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 this embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM random access memory
  • SRAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a 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, 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.
  • Embodiments of the present application further provide a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. , and are not repeated here for brevity.
  • 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 embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. Repeat.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, details are not repeated here.
  • the embodiments of the present application also provide a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
  • the computer program may be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program is run on the computer, the mobile terminal/terminal device implements the various methods of the computer program in the embodiments of the present application.
  • the corresponding process for the sake of brevity, will not be repeated here.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of 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 components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution, and the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: 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 codes .

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  • Radio Transmission System (AREA)

Abstract

L'invention concerne un procédé de communication sans fil, un dispositif terminal et un dispositif de réseau. Le procédé comprend les étapes suivantes : un dispositif terminal détermine qu'un mode de polarisation d'antenne correspondant à un premier canal physique ou la transmission d'un premier signal de référence sur une première partie de bande passante (BWP) est un premier mode de polarisation d'antenne, et/ou le dispositif terminal détermine qu'un signal de référence de quasi-colocalisation (QCL) correspondant au premier signal de référence sur la première BWP est un deuxième signal de référence sur une deuxième BWP.
PCT/CN2021/073670 2021-01-25 2021-01-25 Procédé de communication sans fil, dispositif terminal et dispositif de réseau WO2022155975A1 (fr)

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CN202180091956.5A CN116762311A (zh) 2021-01-25 2021-01-25 无线通信的方法、终端设备和网络设备
PCT/CN2021/073670 WO2022155975A1 (fr) 2021-01-25 2021-01-25 Procédé de communication sans fil, dispositif terminal et dispositif de réseau

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