WO2023245493A1 - Procédés de communication sans fil et dispositifs de terminal - Google Patents

Procédés de communication sans fil et dispositifs de terminal Download PDF

Info

Publication number
WO2023245493A1
WO2023245493A1 PCT/CN2022/100410 CN2022100410W WO2023245493A1 WO 2023245493 A1 WO2023245493 A1 WO 2023245493A1 CN 2022100410 W CN2022100410 W CN 2022100410W WO 2023245493 A1 WO2023245493 A1 WO 2023245493A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier
csi
terminal
csi report
sent
Prior art date
Application number
PCT/CN2022/100410
Other languages
English (en)
Chinese (zh)
Inventor
冷冰雪
卢前溪
张博源
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 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 PCT/CN2022/100410 priority Critical patent/WO2023245493A1/fr
Publication of WO2023245493A1 publication Critical patent/WO2023245493A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the embodiments of the present application relate to the field of communications, and specifically relate to a wireless communication method and terminal equipment.
  • the Channel State Information (CSI) report of the sidelink is used to provide the CSI of the sidelink to the opposite terminal in unicast communication, thereby facilitating the adjustment of access layer parameters by the opposite terminal, such as modulation and coding. mode or power control mode adjustment.
  • the sidelink link only supports a single carrier, and the terminal only needs to report CSI reports on a single carrier. After entering the multi-carrier mechanism, how to report CSI reports is an urgent problem that needs to be solved. .
  • This application provides a wireless communication method and terminal equipment, which can implement the reporting of CSI reports under a multi-carrier mechanism.
  • the first aspect provides a wireless communication method, including:
  • the first terminal sends channel state information CSI request information to the second terminal, where the CSI request information is used to request acquisition of a target CSI report, wherein the CSI request information is sent on one or more carriers;
  • the first terminal receives the target CSI report sent by the second terminal, wherein the target CSI report is received on one or more carriers.
  • a wireless communication method including:
  • the second terminal receives channel state information CSI request information sent by the first terminal, where the CSI request information is used to request acquisition of a target CSI report, wherein the CSI request information is sent on one or more carriers;
  • the second terminal sends a target CSI report to the first terminal, wherein the target CSI report is received on one or more carriers.
  • a third aspect provides a terminal device for executing the method in the above first aspect or its respective implementations.
  • the terminal device includes a functional module for executing the method in the above-mentioned first aspect or its respective implementations.
  • a fourth aspect provides a network device for performing the method in the above second aspect or its respective implementations.
  • the network device includes a functional module for executing the method in the above second aspect or its respective implementations.
  • a terminal device including a processor and a memory.
  • the memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory to execute the method in the above first aspect or its implementations.
  • a sixth aspect provides a network device, including a processor and a memory.
  • the memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory, and execute the method in the above second aspect or its respective implementations.
  • a seventh aspect provides a chip for implementing any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
  • the chip includes: a processor, configured to call and run a computer program from a memory, so that the device installed with the device executes any one of the above-mentioned first to second aspects or implementations thereof. method.
  • An eighth aspect provides a computer-readable storage medium for storing a computer program, the computer program causing the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
  • a computer program product including computer program instructions, which cause a computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
  • a tenth aspect provides a computer program that, when run on a computer, causes the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
  • the first terminal can send CSI request information on one or more carriers, and further, the second terminal can reply to the target CSI report on one or more carriers, thereby enabling CSI reporting under the multi-carrier mechanism. of reporting.
  • Figure 1 is a schematic diagram of a communication system architecture applied in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of another communication system architecture applied in the embodiment of the present application.
  • Figure 3 is a schematic interaction diagram of a wireless communication method provided according to an embodiment of the present application.
  • Figure 4 is a schematic interaction diagram of another wireless communication method provided by an embodiment of the present application.
  • Figure 5 is a schematic interaction diagram of yet another wireless communication method provided by an embodiment of the present application.
  • Figure 6 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • Figure 7 is a schematic block diagram of another terminal device provided according to an embodiment of the present application.
  • Figure 8 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Figure 9 is a schematic block diagram of a chip provided according to an embodiment of the present application.
  • Figure 10 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA broadband 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
  • WiFi wireless fidelity
  • 5G fifth-generation communication
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) deployment scenario.
  • CA Carrier Aggregation
  • DC Dual Connectivity
  • SA standalone deployment scenario.
  • the communication system in the embodiment of the present application can be applied to the unlicensed spectrum, where the unlicensed spectrum can also be considered as a shared spectrum; or the communication system in the embodiment of the present application can also be applied to the licensed spectrum, where, Licensed spectrum can also be considered as unshared spectrum.
  • the embodiments of this application describe various embodiments in combination with network equipment and terminal equipment.
  • the terminal equipment may also be called user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
  • User Equipment User Equipment
  • the terminal device can be a station (STATION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, or a personal digital assistant.
  • PDA Personal Digital Assistant
  • handheld devices with wireless communication capabilities computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or in the future Terminal equipment in the evolved 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 aircraft, 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, or 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.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes, etc.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized devices that can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, and those that only focus on a certain type of application function and need to cooperate with other devices such as smartphones.
  • the network device may be a device used to communicate with mobile devices.
  • 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.
  • BTS Base Transceiver Station
  • it can be a base station (NodeB, NB) in WCDMA, or an evolutionary base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network network equipment or base station (gNB) or network equipment in the future evolved PLMN network or network equipment in the NTN network, etc.
  • NodeB base station
  • gNB NR network network equipment or base station
  • the network device may have mobile characteristics, for example, the network device may be a mobile device.
  • the network device can be a satellite or balloon station.
  • the satellite can be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geosynchronous orbit (geostationary earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite ) satellite, etc.
  • the network device may also be a base station installed on land, water, etc.
  • network equipment can provide services for a cell, and terminal equipment communicates with the network equipment through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
  • the cell can be a network equipment ( For example, the cell corresponding to the base station), the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
  • the small cell here can include: urban cell (Metro cell), micro cell (Micro cell), pico 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-rate data transmission services.
  • the "instruction” mentioned in the embodiments of this application may be a direct instruction, an indirect instruction, or an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B. relation.
  • correlate can mean that there is a direct correspondence or indirect correspondence between the two, it can also mean that there is an associated relationship between the two, or it can mean indicating and being instructed, configuration and being. Configuration and other relationships.
  • predefinition or “preconfiguration” can be achieved by pre-saving corresponding codes, tables or other methods 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 can refer to what is defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, which may include, for example, LTE protocol, NR protocol, and related protocols applied in future communication systems. This application does not limit this.
  • FIG. 1 is a schematic diagram of a communication system applicable to the embodiment of the present application.
  • the transmission resources of the vehicle-mounted terminals (vehicle-mounted terminal 121 and vehicle-mounted terminal 122) are allocated by the base station 110, and the vehicle-mounted terminals transmit data on the sidelink according to the resources allocated by the base station 110.
  • the base station 110 may allocate resources for a single transmission to the terminal, or may allocate resources for semi-static transmission to the terminal.
  • FIG. 2 is a schematic diagram of another communication system applicable to the embodiment of the present application.
  • the vehicle-mounted terminals (vehicle-mounted terminal 131 and vehicle-mounted terminal 132) independently select transmission resources on the resources of the side link for data transmission.
  • the vehicle-mounted terminal can select transmission resources randomly or select transmission resources through listening.
  • device-to-device communication is a Sidelink (SL) transmission technology based on Device to Device (D2D), which is different from the traditional cellular system in which communication data is received or sent through the base station.
  • SL Sidelink
  • D2D Device to Device
  • the methods are different.
  • the Internet of Vehicles system uses end-to-end direct communication, so it has higher spectrum efficiency and lower transmission delay.
  • Mode A The transmission resources of the terminal are allocated by the base station, and the terminal transmits data on the sidelink according to the resources allocated by the base station; the base station can allocate resources for a single transmission to the terminal, or can allocate semi-static transmission resources to the terminal. resource.
  • Mode B The terminal selects a resource in the resource pool for data transmission.
  • mode A may be called mode one
  • mode B may be called mode two
  • Proximity-based Services involve device-to-device communication, mainly targeting public safety services.
  • ProSe by configuring the position of the resource pool in the time domain, for example, the resource pool is discontinuous in the time domain, so that the UE can transmit/receive data discontinuously on the sidelink, thereby achieving the effect of power saving.
  • the Internet of Vehicles system is mainly studied for vehicle-to-vehicle communication scenarios, which are mainly oriented to relatively high-speed moving vehicle-to-vehicle and vehicle-to-human communication services.
  • V2X since the vehicle system has continuous power supply, power efficiency is not the main issue, but the delay of data transmission is the main issue. Therefore, the system design requires the terminal equipment to transmit and receive continuously.
  • the wearable device (FeD2D) scenario has been studied in the scenario where wearable devices access the network through mobile phones. It is mainly oriented to low mobile speed and low power access scenarios.
  • the base station can configure the Discontinuous Reception (DRX) parameters of the remote terminal through a relay terminal.
  • DRX Discontinuous Reception
  • NR-V2X New Radio-Vehicle to Everything
  • autonomous driving is supported, which puts forward higher requirements for data interaction between vehicles, such as higher throughput, lower latency, higher reliability, larger coverage, more flexible resource allocation, etc.
  • the broadcast transmission method is supported, and in the NR-V2X system, unicast and multicast transmission methods are introduced.
  • the NR V2X system can also define the above two resource authorization modes mode A/mode B.
  • Resource acquisition is indicated through sidelink authorization, that is, the sidelink authorization indicates the corresponding physical sidelink control channel (Physical Sidelink Control Channel, PSCCH) and physical sidelink shared channel (Physical Sidelink Shared Channel, PSSCH) resources. Time and frequency position.
  • sidelink authorization indicates the corresponding physical sidelink control channel (Physical Sidelink Control Channel, PSCCH) and physical sidelink shared channel (Physical Sidelink Shared Channel, PSSCH) resources. Time and frequency position.
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Shared Channel
  • HARQ Hybrid Automatic Repeat reQuest
  • CA Carrier Aggregation
  • the upper layer configures the mapping relationship between service type (service type) and carrier, that is, for a certain service, the upper layer indicates the set of carriers available to the Access Stratum (AS) layer;
  • service type service type
  • carrier that is, for a certain service
  • AS Access Stratum
  • the AS layer configures the set of carriers available for each logical channel and the channel occupancy ratio (Channel Busy Ratio, CBR) measurement threshold configured for the data priority (priority) in each resource pool.
  • CBR Channel Busy Ratio
  • the UE measures the CBR value in the resource pool and compares it with the CBR threshold corresponding to the priority of the data to be transmitted. If the measured CBR value is lower than the CBR threshold, the carrier is considered available.
  • CA is a bandwidth expansion technology supported from the LTE-Advanced standard. It can aggregate multiple component carriers (CC) together and be received or transmitted by one UE at the same time. According to the range of aggregated carriers, CA can be divided into intra-band CA (intra-band CA) and cross-band CA (inter-band CA). Among them, one of the main uses of Intra-band CA is in scenarios where the cell carrier bandwidth is greater than the UE's single carrier bandwidth capability. In this case, the UE can use CA to operate in a "wide carrier" . For example, the base station supports a 300MHz carrier, but the UE only supports a maximum carrier of 100MHz. In this case, the UE can use CA to achieve broadband operation greater than 100MHz.
  • the aggregated carriers can be adjacent carriers or non-adjacent carriers.
  • the primary cell and secondary cell may be configured at the same time.
  • a beam failure recovery mechanism is designed for the primary cell (PCell) and primary and secondary cells (PSCell). Its main functional modules (or main steps) include the following 4 steps:
  • BFD Beam Failure Detection
  • NBI New Beam Identification
  • BFRQ Beam Failure Recovery ReQest
  • the terminal equipment measures the Physical Downlink Control Channel (PDCCH) to determine the link quality corresponding to the downlink transmission beam. If the corresponding link quality is very poor, the downlink beam is considered to have beam failure.
  • the terminal equipment will also measure a set of candidate beams and select the beam that meets a certain threshold as a new beam. Then the terminal device notifies the network device that a beam failure has occurred through the beam failure recovery request process, and reports a new beam.
  • the network device receives the BFRQ information sent by the terminal device, it knows that the terminal device has experienced a beam failure and chooses to send the PDCCH from the new beam.
  • the terminal device receives the PDCCH sent by the network device on the new beam, it considers that the response from the network side has been received correctly. information. At this point, the beam failure recovery process is successfully completed.
  • the Channel State Information (CSI) report of the sidelink is used to provide the CSI of the sidelink to the opposite terminal in unicast communication, thereby facilitating the adjustment of access layer parameters by the opposite terminal, such as modulation and coding. mode or power control mode adjustment.
  • the sidelink link only supports a single carrier, and the terminal only needs to report CSI reports on a single carrier. After entering the multi-carrier mechanism, how to report CSI reports is an urgent problem that needs to be solved. .
  • Figure 3 is a schematic interaction diagram of a wireless communication method 200 according to an embodiment of the present application. As shown in Figure 3, the method 200 includes at least part of the following content:
  • the first terminal sends channel state information CSI request information to the second terminal, where the CSI request information is used to request to obtain a CSI report.
  • the second terminal receives the CSI request information sent by the first terminal.
  • S240 The second terminal sends the target CSI report to the first terminal.
  • the first terminal receives the target CSI report sent by the second terminal.
  • CSI request information is sent on one or more carriers.
  • the CSI request information is used to request a CSI report of a unicast link, or to request a CSI report of one or more carriers.
  • the CSI request information when the CSI request information is sent on one carrier, the CSI request information may be used to request a CSI report of a unicast link, or may also be used to request a CSI report of one or more carriers.
  • the CSI request information sent on each carrier can be used to request a CSI report on that carrier, or used to request a CSI report on one or more carriers.
  • the CSI request information includes carrier information corresponding to the requested CSI report. That is, the first terminal requests the CSI report on which carrier or carriers. For example, when the CSI request information is sent on one carrier or multiple carriers, the CSI request information may include carrier information corresponding to the requested CSI report, such as a carrier number.
  • the target CSI report is sent on one or more carriers.
  • the target CSI report may be a CSI report of a unicast link, or may also include CSI reports of one or more carriers.
  • the target CSI report may include a CSI report of a unicast link, or may also include CSI reports of one or more carriers.
  • the target CSI may include the CSI report on the carrier information.
  • the second terminal may send a CSI report for each of the multiple carriers on the carrier.
  • the CSI report of the unicast link may be a CSI report on one carrier, that is, the CSI report on a single carrier may be regarded as a CSI report of the unicast link.
  • the CSI report of the unicast link may be generated based on CSI reports on multiple carriers. For example, the CSI reports on multiple carriers are averaged to obtain the CSI report of the unicast link, or, The CSI report with the best CSI among the CSI reports on multiple carriers is used as the CSI report of the unicast link, or the CSI report with the worst CSI among the CSI reports on multiple carriers is used as the CSI report of the unicast link .
  • CSI reporting on a carrier may be obtained by performing measurements of CSI-RS on the carrier.
  • Case 1 The CSI request message is sent on one carrier and the target CSI report is sent on one carrier.
  • the CSI request information is used to request a CSI report of the unicast link, or to request a CSI report on one or more carriers.
  • the target CSI report may include a CSI report of the unicast link, or it may be Includes CSI reports on one or more carriers.
  • Case 2 The CSI request message is sent on one carrier and the target CSI report is sent on multiple carriers.
  • the CSI request information is used to request CSI reports on multiple carriers.
  • the target CSI report may include CSI reports sent separately on multiple carriers, where the CSI report sent on each carrier may be specific to the carrier.
  • the CSI report may also be a CSI report for other carriers.
  • Case 3 The CSI request message is sent on multiple carriers and the target CSI report is sent on one carrier.
  • the CSI request information sent on each carrier is used to request a CSI report on one or more carriers (for example, including the carrier sending the CSI request information and/or other carriers).
  • the target CSI report may include one or more CSI reports on carriers.
  • Case 4 The CSI request message is sent on multiple carriers and the target CSI report is sent on multiple carriers.
  • the CSI request information sent on each carrier is used to request CSI reports on one or more carriers.
  • the CSI report sent on each carrier may include CSI reports for this carrier, or may also include CSI reports for other carriers. Carrier CSI report.
  • the CSI request information sent on one carrier can be used to request a CSI report on a unicast link, or it can also be used to request a CSI report on one or more carriers.
  • the one carrier can be used to send the CSI request.
  • the carrier of the information or it may also be other carriers.
  • the multiple carriers may include the carrier that sends the CSI request information, and/or other carriers.
  • the CSI request information sent on a certain carrier when used to request CSI reports on other carriers, the CSI request information may carry carrier information corresponding to the requested CSI report, such as a carrier number.
  • the CSI request information sent on a certain carrier is only used to request CSI reports on this carrier, the CSI request information may not carry carrier information.
  • the CSI report sent on one carrier may include a CSI report on a unicast link, or may include CSI reports on one or more carriers, where the one carrier may be the carrier on which the CSI report is sent, or, It may be other carriers, and the multiple carriers may include the carrier on which the CSI report is sent, and/or other carriers.
  • the one carrier may be the carrier where the CSI request information is sent, or it may be other carriers, and the multiple carriers may include the carrier where the CSI request information is sent, and/or other carriers.
  • the CSI report sent on a certain carrier when the CSI report sent on a certain carrier includes CSI reports for other carriers, the CSI report may carry carrier information corresponding to the CSI report, such as a carrier number.
  • the CSI report sent on a certain carrier when the CSI report sent on a certain carrier only includes the CSI report on this carrier, the CSI report may not carry carrier information.
  • the method 200 further includes:
  • the SL CSI related configuration includes at least one of the following configurations:
  • Delay configuration for CSI reports resource configuration for Channel State Information Reference Signal (CSI-RS), carrier configuration for sending CSI request information, and carrier configuration for sending CSI reports.
  • CSI-RS Channel State Information Reference Signal
  • the delay configuration of the CSI report may be used to configure a delay threshold for controlling the CSI reporting process of the sidelink.
  • the second terminal if the CSI report of the sidelink has been triggered by the first terminal, if the second terminal successfully obtains the sidelink resource grant (sidelink grant) for the first terminal within the delay threshold, the second terminal generates the The CSI report of the first terminal is sent. Otherwise, the second terminal may consider that even if the sidelink CSI report is generated, it is out of date, that is, it cannot reflect the channel quality between the second terminal and the first terminal in time. Therefore, even if the sidelink CSI report for the first terminal is obtained, Link resource authorization will also cancel the sending of CSI reports.
  • the delay threshold may also be predefined.
  • the resource configuration of CSI-RS may be used to configure time domain resources and/or frequency domain resources for transmitting CSI-RS.
  • the carrier configuration for sending the CSI request information may be used to configure the carrier for sending the CSI request information. That is, on which carrier or carriers the CSI request information is sent. Alternatively, the carrier sending the CSI request information may also be predefined.
  • the carrier configuration for sending the CSI report may be used to configure the carrier for sending the CSI report. That is, on which carrier or carriers the CSI report is sent.
  • the carrier for sending the CSI report may also be predefined.
  • the delay configuration of the CSI report is configured for each unicast link. That is, each unicast link corresponds to a CSI report delay configuration.
  • the delay configuration of the CSI report is configured for each carrier. That is, each carrier corresponds to a CSI report delay configuration.
  • the delay configuration of the CSI report corresponding to each carrier may be the same, or may be different.
  • the resource configuration of the CSI-RS is configured for each unicast link. That is, each unicast link corresponds to a CSI-RS resource configuration.
  • the resource configuration of the CSI-RS is configured for each carrier. That is, each carrier corresponds to a CSI-RS resource configuration.
  • the resource configuration of the CSI-RS corresponding to each carrier may be the same, or may be different.
  • the SL CSI related configuration may also include the carrier configuration of the CSI-RS, that is, on which carrier or carriers the CSI-RS is sent.
  • the carrier sending the CSI-RS may also be predefined.
  • the carrier configuration of the CSI-RS may be carried in the resource configuration of the CSI-RS.
  • the resource configuration of the CSI-RS when the resource configuration of the CSI-RS is configured for each unicast link, the resource configuration of the CSI-RS includes the carrier information for sending the CSI-RS, or sends the carrier information of the CSI-RS.
  • the carrier information of the CSI-RS is predefined.
  • the method further includes:
  • the target CSI report is processed and/or sent according to the delay configuration of the CSI report.
  • processing and/or sending the target CSI report according to the delay configuration of the CSI report includes:
  • processing and/or sending the target CSI report according to the delay configuration of the target CSI report include:
  • the delay timer corresponding to the unicast link if the CSI report on at least one carrier on the unicast link has been generated or assembled, the delay timer corresponding to the unicast link is stopped. ;and / or
  • the SL CSI related configuration may be determined by the first terminal, or determined by a network device of the first terminal.
  • the SL CSI related configuration may be independently determined by the first terminal, or may be obtained from the network device of the first terminal.
  • S210 may include the following steps:
  • the network device of the first terminal sends SL CSI related configuration to the first terminal.
  • the first terminal sends SL CSI related configuration to the second terminal.
  • it also includes:
  • the second terminal sends SL CSI related configuration to the network device of the second terminal.
  • S210 may include the following steps:
  • the first terminal sends SL CSI related configuration to the second terminal.
  • it also includes:
  • the second terminal sends SL CSI related configuration to the network device of the second terminal.
  • the SL CSI related configuration may be determined by the second terminal, or determined by the network device of the second terminal.
  • the SL CSI related configuration may be independently determined by the second terminal, or may be obtained from the network device of the second terminal.
  • S210 may include the following steps:
  • the network device of the second terminal sends SL CSI related configuration to the second terminal.
  • the second terminal sends SL CSI related configuration to the first terminal.
  • it also includes:
  • S216 The first terminal sends SL CSI related configuration to the network device of the first terminal.
  • S210 may include the following steps:
  • the second terminal sends SL CSI related configuration to the first terminal.
  • it also includes:
  • S216 The first terminal sends SL CSI related configuration to the network device of the first terminal.
  • the method 200 further includes:
  • S220 The first terminal sends a sidelink reference signal.
  • the second terminal may measure the sidelink reference signal sent by the first terminal to obtain the CSI of the link between the first terminal and the second terminal to generate a CSI report.
  • the sidelink reference signal may include but is not limited to CSI-RS.
  • CSI-RS is used as an example for explanation, but the present application is not limited thereto.
  • the CSI-RS is sent on a third carrier.
  • the third carrier is a specific carrier, or it can be an arbitrary carrier, where the arbitrary carrier can be any carrier in the set of available carriers of the first terminal, or multiple carriers supported by the first terminal. any carrier among the carriers.
  • the third carrier is one of the following:
  • Main carrier predefined carrier, carrier configured by network equipment, carrier negotiated by the first terminal and the second terminal, carrier independently determined by the first terminal, carrier configured by the second terminal, Any carrier among multiple carriers supported by the first terminal.
  • the third carrier is indicated by the resource configuration of CSI-RS in the SL CSI related configuration.
  • the first terminal may send the CSI-RS on the carrier.
  • the first terminal may send the CSI-RS on the predefined carrier.
  • the CSI request information is sent through any sidelink signaling.
  • the CSI request information can be carried through at least one of the following signaling: Sidelink Control Information (SCI) ), Media Access Control Control Element (MAC CE), Radio Resource Control (Radio Resource Control, RRC) signaling.
  • SCI Sidelink Control Information
  • MAC CE Media Access Control Control Element
  • RRC Radio Resource Control
  • Embodiment 1 CSI request information is sent on one carrier.
  • the CSI request information is sent on the first carrier.
  • the CSI request information may be used to request a CSI report of a unicast link, or may also be used to request a CSI report of one or more carriers.
  • the CSI request information may include carrier information corresponding to the requested CSI report.
  • the first carrier is a specific carrier or any carrier, wherein the arbitrary carrier can be any carrier in the set of available carriers of the first terminal, or any of multiple carriers supported by the first terminal. carrier.
  • the first carrier is one of the following:
  • the CSI request information is sent on a first resource
  • the first resource is a resource on the first carrier.
  • the first resource is a resource selected by the first terminal (ie, mode one), or a resource configured by the network device (ie, mode two).
  • the first terminal in Mode 2 when selecting a resource for sending CSI request information, it is necessary to ensure that the selected resource is on the first carrier.
  • the network device For the first terminal in Mode 1, it needs to indicate to the network device so that the network device allocates resources on the first carrier to the first terminal for transmitting CSI request information.
  • the method 200 further includes:
  • the first terminal sends first indication information to the network device, where the first indication information is used to indicate that the first terminal needs to send CSI request information.
  • the first indication information may be used to indicate that the first terminal has a need to send CSI request information, or may indicate a carrier for sending CSI request information.
  • the first indication information can be sent through any uplink signaling, which is not limited in this application.
  • the first indication information is carried through at least one of the following signaling: physical layer signaling, MAC CE, and RRC signaling.
  • the first terminal may indicate the carrier for sending the CSI request information through a logical channel group (Logical Channel Group, LCG) in the BSR. Therefore, the network device can allocate resources on the carrier corresponding to the LCG to the first terminal according to the LCG and the corresponding relationship between the LCG and the carrier for the first terminal to send the CSI request information.
  • LCG Logical Channel Group
  • the first terminal may select the The target address and/or logical channel and/or MAC CE corresponding to the CSI request information.
  • the first terminal may carry the CSI request information through the SCI.
  • Embodiment 2 CSI request information is sent on multiple carriers.
  • the CSI request information sent on each carrier is used to request a CSI report on the carrier.
  • the CSI request information does not need to carry the carrier information corresponding to the requested CSI report.
  • the first terminal may send CSI request information on multiple carriers respectively, and the CSI request information sent on each carrier may be used to request a CSI report on the carrier.
  • the CSI request information sent on each carrier is used to request CSI reports on other carriers.
  • the CSI request information needs to carry the carrier information corresponding to the requested CSI report.
  • Embodiment 3 The target CSI report is sent on one carrier.
  • the target CSI report is sent on the second carrier.
  • the target CSI report includes a CSI report that may be a unicast link, or may also include a CSI report on one or more carriers.
  • the target CSI report includes carrier information corresponding to the CSI report. That is, the CSI report is for which carrier(s).
  • the target CSI report does not need to include carrier information corresponding to the CSI report.
  • the CSI report is targeted at the carrier that sends the CSI report.
  • the second carrier is a specific carrier or any carrier, wherein the arbitrary carrier can be any carrier in the set of available carriers of the second terminal, or any of multiple carriers supported by the second terminal. carrier.
  • the second carrier is one of the following:
  • the carrier that sends CSI-RS the carrier that sends CSI request information, the main carrier, the predefined carrier, the carrier configured by the network device, the carrier negotiated by the first terminal and the second terminal, the carrier configured by the first terminal Carrier, a carrier independently determined by the second terminal, any carrier among multiple carriers supported by the second terminal.
  • the target CSI report includes CSI reports on multiple carriers
  • the CSI reports on the multiple carriers are sent separately through multiple signaling, or the multiple carriers CSI reports are sent via signaling.
  • the CSI reports on the multiple carriers are sent through multi-entry MAC CE.
  • Embodiment 4 Target CSI reports are sent on multiple carriers.
  • the target CSI may include CSI reports sent separately on multiple carriers.
  • the target CSI report may be sent on multiple carriers, where the CSI report sent on each carrier is the CSI on the carrier. Report.
  • the target CSI report includes carrier information corresponding to the CSI report. That is, the CSI report is for which carrier(s).
  • link-based CSI reporting is supported, that is, the target CSI may include a CSI report for a unicast link.
  • Step 1 The first terminal and the second terminal exchange SL CSI related configurations.
  • S210 For the specific interaction method, refer to the aforementioned description of S210, which will not be described again here.
  • the SL CSI related configuration includes at least one of the following:
  • CSI report delay configuration CSI-RS resource configuration
  • carrier configuration for sending CSI request information carrier configuration for sending CSI reports.
  • the resource configuration of CSI-RS may be a configuration based on a unicast link, that is, each unicast link has only one resource configuration.
  • the resource configuration of the CSI-RS indicates carrier information (for example, carrier number) for transmitting the CSI-RS signal.
  • it is predefined to send the CSI-RS signal on a fixed carrier.
  • the resource configuration of CSI-RS may be configured on a per-carrier basis, that is, configured separately for each carrier.
  • Step 2 The first terminal sends CSI-RS to the second terminal.
  • the resource configuration of the CSI-RS indicates a carrier for sending the CSI-RS
  • the CSI-RS is sent on the indicated carrier.
  • the CSI-RS is predefined to be sent on a fixed carrier, then the CSI-RS is sent on the predefined carrier.
  • the second terminal performs SL CSI measurement according to the resource configuration of the CSI-RS.
  • Step 3 The first terminal sends CSI request information to the second terminal.
  • the CSI request information may be sent through at least one of the following signaling: SCI, MAC CE, and RRC signaling.
  • the CSI request information may be on a specific carrier (for example, a carrier that sends CSI-RS, a main carrier, a predefined carrier, a carrier configured by the network device, a carrier negotiated by the first terminal and the second terminal, or, The carrier determined independently by one terminal and the carrier configured by the second terminal) are sent.
  • a specific carrier for example, a carrier that sends CSI-RS, a main carrier, a predefined carrier, a carrier configured by the network device, a carrier negotiated by the first terminal and the second terminal, or, The carrier determined independently by one terminal and the carrier configured by the second terminal
  • the first terminal may need to ensure that the resource on the specific carrier is selected when selecting the resource to send the CSI request information.
  • the first terminal may indicate to the network device through the first indication information that the CSI request information needs to be sent and/or the carrier information for sending the CSI request information, such as the carrier serial number.
  • the first terminal may indicate the carrier for sending the CSI request information through the LCG in the BSR.
  • the first terminal may select the target address and/or corresponding to the CSI request information. or logical channel and/or MAC CE.
  • the first terminal may carry the CSI request information through the SCI.
  • the CSI request information may be sent on any carrier.
  • Step 4 The second terminal sends the target CSI report to the first terminal.
  • the target CSI is sent on a specific carrier.
  • the second terminal may send a target CSI report on the specific carrier.
  • the CSI on the specific carrier may include CSI report considered to be a unicast link.
  • the second terminal may generate a target CSI report based on the CSI on at least one carrier on the multiple carriers, Alternatively, the target CSI report includes a CSI report on at least one carrier among the plurality of carriers.
  • the second terminal may operate on a specific carrier (one of the plurality of carriers, a main carrier, a predefined carrier, a carrier configured by a network device, a carrier negotiated by the first terminal and the second terminal, so
  • the target CSI report is sent on a carrier configured by the first terminal, a carrier independently determined by the second terminal) or any carrier.
  • the target CSI report can be considered as a CSI report of the unicast link.
  • the target CSI report may include carrier information corresponding to the CSI report, such as a carrier number. That is, the target CSI report is generated based on the CSI on which carriers.
  • the second terminal may also process and/or send the target CSI report according to the delay configuration of the CSI report.
  • the second terminal may process and/or send the target CSI report according to the delay configuration of the CSI report.
  • the delay timer corresponding to the unicast link if the CSI report of the unicast link has been generated or assembled, the delay timer corresponding to the unicast link is stopped.
  • the target CSI report may include a CSI report for each carrier, and the first terminal sends CSI request information on each carrier respectively.
  • Step 1 The first terminal and the second terminal exchange SL CSI related configurations.
  • S210 For the specific interaction method, refer to the aforementioned description of S210, which will not be described again here.
  • the SL CSI related configuration includes at least one of the following:
  • CSI report delay configuration CSI-RS resource configuration
  • carrier configuration for sending CSI reports.
  • the resource configuration of CSI-RS may be a configuration based on a unicast link, that is, each unicast link has only one resource configuration.
  • the resource configuration of the CSI-RS indicates carrier information (for example, carrier number) for transmitting the CSI-RS signal.
  • it is predefined to send the CSI-RS signal on a fixed carrier.
  • the resource configuration of CSI-RS may be configured on a per-carrier basis, that is, configured separately for each carrier.
  • Step 2 The first terminal sends CSI-RS to the second terminal.
  • the resource configuration of the CSI-RS indicates a carrier for sending the CSI-RS
  • the CSI-RS is sent on the indicated carrier.
  • the CSI-RS is predefined to be sent on a fixed carrier, then the CSI-RS is sent on the predefined carrier.
  • the second terminal performs SL CSI measurement according to the resource configuration of the CSI-RS.
  • Step 3 The first terminal sends CSI request information to the second terminal.
  • the CSI request information may be sent through at least one of the following signaling: SCI, MAC CE, and RRC signaling.
  • the first terminal sends CSI request information on each carrier separately.
  • Step 4 The second terminal sends the target CSI report to the first terminal.
  • the second terminal after receiving the CSI request information, the second terminal sends the target CSI report according to the SL CSI related configuration.
  • the second terminal replies with a CSI report on each carrier that receives the CSI request information.
  • the first terminal may consider each CSI report as a CSI report on the carrier.
  • the second terminal may reply to one or more CSI reports on one carrier.
  • the second terminal operates on a specific carrier (a carrier that sends CSI-RS, a carrier that sends CSI request information, a main carrier, a predefined carrier, a carrier configured by a network device, a carrier negotiated by the first terminal and the second terminal)
  • a specific carrier a carrier that sends CSI-RS, a carrier that sends CSI request information, a main carrier, a predefined carrier, a carrier configured by a network device, a carrier negotiated by the first terminal and the second terminal.
  • One or more CSI reports are sent on a carrier (a carrier configured by the first terminal, a carrier independently determined by the second terminal).
  • the multiple CSI reports may be sent through one signaling (for example, sent through a multi-entry MAC CE), or they may be It is sent separately through multiple signaling.
  • the target CSI report may include carrier information corresponding to the CSI report, such as a carrier number.
  • the first terminal may identify the carrier corresponding to the CSI report according to the carrier information in the target CSI report.
  • the second terminal may also process and/or send the target CSI report according to the delay configuration of the CSI report.
  • the delay configuration of the CSI report is configured for each carrier, during the operation of the delay timer corresponding to the carrier, if the CSI report on the carrier has been generated or assembled, the carrier will be stopped.
  • the delay configuration of the CSI report is configured for each unicast link, then during the operation of the delay timer corresponding to the unicast link, if the delay timer on at least one carrier on the unicast link When the CSI report has been generated or assembled, stop the delay timer corresponding to the unicast link; and/or, if the delay timer corresponding to the unicast link times out, cancel sending the unicast link CSI report of at least one carrier on the unicast link, or cancel generation of CSI report of at least one carrier on the unicast link, or cancel assembly of CSI report of at least one carrier on the unicast link.
  • the target CSI report may include a CSI report for each carrier, and the first terminal sends CSI request information for one or more carriers on one carrier.
  • Step 1 The first terminal and the second terminal exchange SL CSI related configurations.
  • S210 For the specific interaction method, refer to the aforementioned description of S210, which will not be described again here.
  • the SL CSI related configuration includes at least one of the following:
  • CSI report delay configuration CSI-RS resource configuration
  • carrier configuration for sending CSI reports.
  • the resource configuration of CSI-RS may be a configuration based on a unicast link, that is, each unicast link has only one resource configuration.
  • the resource configuration of the CSI-RS indicates carrier information (for example, carrier number) for transmitting the CSI-RS signal.
  • it is predefined to send the CSI-RS signal on a fixed carrier.
  • the resource configuration of CSI-RS may be configured on a per-carrier basis, that is, configured separately for each carrier.
  • Step 2 The first terminal sends CSI-RS to the second terminal.
  • the resource configuration of the CSI-RS indicates a carrier for sending the CSI-RS
  • the CSI-RS is sent on the indicated carrier.
  • the CSI-RS is predefined to be sent on a fixed carrier, then the CSI-RS is sent on the predefined carrier.
  • the second terminal performs SL CSI measurement according to the resource configuration of the CSI-RS.
  • Step 3 The first terminal sends CSI request information to the second terminal.
  • the CSI request information may be sent through at least one of the following signaling: SCI, MAC CE, and RRC signaling.
  • the CSI request information carries carrier information corresponding to the requested CSI report, such as a carrier number.
  • the first terminal sends CSI request information on a specific carrier.
  • the first terminal may need to ensure that the resource on the specific carrier is selected when selecting the resource to send the CSI request information.
  • the first terminal may indicate to the network device through the first indication information that the CSI request information needs to be sent and/or the carrier information for sending the CSI request information, such as the carrier serial number.
  • the first terminal may indicate the carrier for sending the CSI request information through the LCG in the BSR.
  • the first terminal may select the target address and/or corresponding to the CSI request information. or logical channel and/or MAC CE.
  • the first terminal may carry the CSI request information through the SCI.
  • Step 4 The second terminal sends the target CSI report to the first terminal.
  • the second terminal after receiving the CSI request information, the second terminal sends the target CSI report according to the SL CSI related configuration.
  • the second terminal may respectively reply to the CSI report on the carrier requested by the CSI request information.
  • each CSI report can be considered as a CSI report on this carrier.
  • the second terminal may reply to one or more CSI reports on one carrier.
  • the second terminal operates on a specific carrier (a carrier that sends CSI-RS, a carrier that sends CSI request information, a main carrier, a predefined carrier, a carrier configured by a network device, a carrier negotiated by the first terminal and the second terminal)
  • a specific carrier a carrier that sends CSI-RS, a carrier that sends CSI request information, a main carrier, a predefined carrier, a carrier configured by a network device, a carrier negotiated by the first terminal and the second terminal.
  • One or more CSI reports are sent on a carrier (a carrier configured by the first terminal, a carrier independently determined by the second terminal).
  • the multiple CSI reports may be sent through one signaling (for example, sent through a multi-entry MAC CE), or they may be It is sent separately through multiple signaling.
  • the target CSI report may include carrier information corresponding to the CSI report, such as a carrier number.
  • the first terminal may identify the carrier corresponding to the CSI report according to the carrier information in the target CSI report.
  • the second terminal may also process and/or send the target CSI report according to the delay configuration of the CSI report.
  • the delay configuration of the CSI report is configured for each carrier, during the operation of the delay timer corresponding to the carrier, if the CSI report on the carrier has been generated or assembled, the carrier will be stopped.
  • the delay configuration of the CSI report is configured for each unicast link, then during the operation of the delay timer corresponding to the unicast link, if the delay timer on at least one carrier on the unicast link When the CSI report has been generated or assembled, stop the delay timer corresponding to the unicast link; and/or, if the delay timer corresponding to the unicast link times out, cancel sending the unicast link the CSI report of the carrier requested by the CSI request information on the unicast link, or cancel the generation of the CSI report of the carrier requested by the CSI request information on the unicast link, or cancel the assembly of the CSI report of the carrier requested by the CSI request information on the unicast link
  • the CSI request information requests the CSI report of the carrier.
  • the first terminal may send CSI request information on one or more carriers, and further, the second terminal may reply to the target CSI report on one or more carriers.
  • the first terminal may send CSI request information on a carrier to request a CSI report of the unicast link. Further, the second terminal may reply a CSI report of the unicast link on a carrier.
  • the first terminal may send CSI request information on each carrier to request the CSI report of the carrier. Further, the second terminal may reply on the carrier with the CSI report of the carrier.
  • the first terminal may send CSI request information for one or more carriers on one carrier.
  • the second terminal may reply to the CSI report on each carrier respectively, or may reply to the one on one carrier. or CSI reporting for multiple carriers.
  • Figure 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 communication unit 410 is configured to send channel state information CSI request information to the second terminal, where the CSI request information is used to request acquisition of the target CSI report, wherein the CSI request information is sent on one or more carriers;
  • the CSI request information is carried through at least one of the following signaling:
  • the CSI request information is sent on the first carrier.
  • the first carrier is one of the following:
  • the carrier configured by the second terminal may be any carrier among multiple carriers supported by the terminal device.
  • the CSI request information is sent on a first resource, and the first resource is a resource on the first carrier.
  • the first resource is a resource selected by the terminal device, or a resource configured by a network device.
  • the communication unit 410 is further configured to: send first indication information to a network device, where the first indication information is used to indicate that the terminal device 400 needs to send CSI request information.
  • the first indication information is carried through at least one of the following signaling:
  • the resource for sidelink transmission of the terminal device 400 is on the first carrier, select the target address and/or corresponding to the CSI request information. or logical channel and/or MAC CE; or,
  • the CSI request information is carried through SCI.
  • the CSI request information includes carrier information corresponding to the requested CSI report.
  • the CSI request information is used to request a CSI report of a unicast link, or to request a CSI report of one or more carriers.
  • the CSI request information is sent on multiple carriers respectively, where the CSI request information sent on each carrier is used to request CSI reports on the carrier.
  • the target CSI report is sent on the second carrier.
  • the target CSI reports include CSI reports on one or more carriers.
  • the target CSI report includes a CSI report of a unicast link, the CSI report of the unicast link is a CSI report on one carrier, or the CSI report of the unicast link is based on multiple CSI report generation on each carrier.
  • the second carrier is one of the following:
  • the carrier that sends the channel state information reference signal CSI-RS the carrier that sends CSI request information, the main carrier, the predefined carrier, the carrier configured by the network device, the carrier negotiated by the terminal device and the second terminal, the terminal
  • the target CSI report includes carrier information corresponding to the CSI report.
  • the target CSI report includes CSI reports on multiple carriers
  • the CSI reports on the multiple carriers are sent separately through multiple signaling, or the multiple carriers CSI reports are sent via signaling.
  • the CSI reports on the multiple carriers are sent through multi-entry MAC CE.
  • the target CSI report is sent on multiple carriers, wherein the CSI report sent on each carrier is the carrier CSI report on.
  • the communication unit 410 is further configured to send sideline SL CSI related configuration to the second terminal.
  • the communication unit 410 is also configured to receive the sideline SL CSI related configuration sent by a network device.
  • the communication unit 410 is further configured to receive the sideline SL CSI related configuration sent by the second terminal.
  • the communication unit 410 is also configured to send the sideline SL CSI related configuration to a network device.
  • the SL CSI related configuration includes at least one of the following configurations:
  • the delay configuration of the CSI report The delay configuration of the CSI report, the resource configuration of the channel state information reference signal CSI-RS, the carrier configuration for sending the CSI request information, and the carrier configuration for sending the CSI report.
  • the delay configuration of the CSI report is configured for each unicast link; or,
  • the delay configuration of the CSI report is configured for each carrier.
  • the resource configuration of the CSI-RS is configured for each unicast link; or,
  • the resource configuration of the CSI-RS is configured for each carrier.
  • the resource configuration of the CSI-RS when the resource configuration of the CSI-RS is configured for each unicast link, the resource configuration of the CSI-RS includes carrier information for sending the CSI-RS, or, The carrier information for transmitting the CSI-RS is predefined.
  • the communication unit 410 is further configured to send the CSI-RS to the second terminal on one or more carriers.
  • the CSI-RS is sent on a third carrier.
  • the third carrier is one of the following:
  • Main carrier a predefined carrier, a carrier configured by a network device, a carrier negotiated between the terminal device 400 and the second terminal, a carrier independently determined by the first terminal, a carrier configured by the second terminal, the Any carrier among multiple carriers supported by the first terminal.
  • the third carrier is indicated by the resource configuration of CSI-RS in the SL CSI related configuration.
  • the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
  • the above-mentioned processing unit may be one or more processors.
  • terminal device 400 may correspond to the first terminal in the method embodiment of the present application, and the above and other operations and/or functions of the various units in the terminal device 400 are respectively to implement FIG. 3 to FIG.
  • the corresponding process of the first terminal in the method 200 shown in 5 is not repeated here for the sake of simplicity.
  • Figure 7 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 500 of Figure 7 includes:
  • Communication is greater than 510, and is used to receive channel state information CSI request information sent by the first terminal, where the CSI request information is used to request acquisition of the target CSI report, wherein the CSI request information is sent on one or more carriers; as well as
  • a target CSI report is sent to the first terminal, wherein the target CSI report is received on one or more carriers.
  • the CSI request information is carried through at least one of the following signaling:
  • the CSI request information is received on the first carrier.
  • the first carrier is one of the following: a carrier that receives channel state information reference signal CSI-RS, a main carrier, a predefined carrier, a carrier configured by a network device, the first terminal and The carrier negotiated by the terminal device 500, the carrier independently determined by the first terminal, the carrier configured by the terminal device 500, and any carrier among multiple carriers supported by the first terminal.
  • the CSI request information is received on a first resource, and the first resource is a resource on the first carrier.
  • the first resource is a resource selected by the first terminal, or a resource configured by a network device.
  • the CSI request information includes carrier information corresponding to the requested CSI report.
  • the CSI request information is used to request a CSI report of a unicast link, or to request a CSI report of one or more carriers.
  • the CSI request information is sent on multiple carriers respectively, where the CSI request information sent on each carrier is used to request CSI reports on the carrier.
  • the target CSI report is sent on the second carrier.
  • the target CSI reports include CSI reports on one or more carriers.
  • the target CSI report includes a CSI report of a unicast link, the CSI report of the unicast link is a CSI report on one carrier, or the CSI report of the unicast link is based on multiple CSI report generation on each carrier.
  • the second carrier is one of the following:
  • the target CSI report includes carrier information corresponding to the CSI report.
  • the target CSI report includes CSI reports on multiple carriers
  • the CSI reports on the multiple carriers are sent separately through multiple signaling, or the multiple carriers CSI reports are sent via signaling.
  • the CSI reports on the multiple carriers are sent through multi-entry MAC CE.
  • the target CSI report is sent on multiple carriers, wherein the CSI report sent on each carrier is the carrier CSI report on.
  • the communication unit 510 is further configured to: send sideline SL CSI related configuration to the first terminal.
  • the communication unit 510 is also configured to receive the sideline SL CSI related configuration sent by a network device.
  • the communication unit 510 is further configured to receive the sideline SL CSI related configuration sent by the first terminal.
  • the communication unit 510 is also configured to send the sideline SL CSI related configuration to a network device.
  • the SL CSI related configuration includes at least one of the following configurations:
  • the delay configuration of the CSI report The delay configuration of the CSI report, the resource configuration of the channel state information reference signal CSI-RS, the carrier configuration for sending the CSI request information, and the carrier configuration for sending the CSI report.
  • the delay configuration of the CSI report is configured for each unicast link; or,
  • the delay configuration of the CSI report is configured for each carrier.
  • the resource configuration of the CSI-RS is configured for each unicast link; or,
  • the resource configuration of the CSI-RS is configured for each carrier.
  • the resource configuration of the CSI-RS when the resource configuration of the CSI-RS is configured for each unicast link, the resource configuration of the CSI-RS includes carrier information for sending the CSI-RS, or, The carrier information for transmitting the CSI-RS is predefined.
  • the communication unit 510 is further configured to: receive the CSI-RS sent by the first terminal on one or more carriers.
  • the CSI-RS is sent on a third carrier.
  • the third carrier is one of the following:
  • the main carrier is a predefined carrier, a carrier configured by a network device, a carrier negotiated by the first terminal and the terminal device 500, a carrier independently determined by the first terminal, and a carrier configured by the second terminal.
  • the third carrier is indicated by the resource configuration of CSI-RS in the SL CSI related configuration.
  • the terminal device further includes:
  • a processing unit configured to process and/or send the target CSI report according to the delay configuration of the target CSI report.
  • the processing unit is specifically used to:
  • the processing unit is specifically used to:
  • the delay timer corresponding to the unicast link if the CSI report on at least one carrier on the unicast link has been generated or assembled, the delay timer corresponding to the unicast link is stopped. ;and / or
  • the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
  • the above-mentioned processing unit may be one or more processors.
  • terminal device 500 may correspond to the second terminal in the method embodiment of the present application, and the above and other operations and/or functions of the various units in the terminal device 500 are respectively to implement FIG. 3 to FIG.
  • the corresponding process of the second terminal in the method 200 shown in 5 is not repeated here for the sake of simplicity.
  • Figure 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 Figure 8 includes a processor 610.
  • the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 can call and run the computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610 , or may be integrated into the processor 610 .
  • the communication device 600 may also include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices. Specifically, the communication device 600 may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 600 can be specifically the first terminal in the embodiment of the present application, and the communication device 600 can implement the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application. For the sake of brevity, they are not mentioned here. Again.
  • the communication device 600 may specifically be the second terminal in the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the second terminal in the various methods of the embodiment of the present application. For the sake of brevity, no details are provided here. Again.
  • Figure 9 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in Figure 9 includes a processor 710.
  • the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may also include a memory 720 .
  • the processor 710 can call and run the computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated into the processor 710 .
  • the chip 700 may also include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 700 may also include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the first terminal in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
  • the chip can implement the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
  • the chip can be applied to the second terminal in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the second terminal in the various methods of the embodiment of the present application.
  • the chip can implement the corresponding processes implemented by the second terminal in the various methods of the embodiment of the present application.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Figure 10 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 10 , the communication system 900 includes a first terminal 910 and a second terminal 920 .
  • the first terminal 910 can be used to implement the corresponding functions implemented by the first terminal in the above method
  • the second terminal 920 can be used to implement the corresponding functions implemented by the second terminal in the above method.
  • I won’t go into details here.
  • the processor in the embodiment of the present application may be an integrated circuit chip and has signal processing capabilities.
  • each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions 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 processors.
  • 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, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • 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.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Random Access Memory
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application can 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, memories in embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the first terminal in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
  • I won’t go into details here.
  • the computer-readable storage medium can be applied to the second terminal in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the second terminal in the various methods of the embodiment of the present application.
  • I won’t go into details here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the first terminal in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application. For simplicity, in This will not be described again.
  • the computer program product can be applied to the second terminal in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the second terminal in the various methods of the embodiment of the present application. For simplicity, in This will not be described again.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the first terminal in the embodiment 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 first terminal in the various methods of the embodiment 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 first terminal in the various methods of the embodiment of the present application.
  • the computer program For the sake of brevity, no further details will be given here.
  • the computer program can be applied to the second terminal in the embodiment 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 second terminal in the various methods of the embodiment 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 second terminal in the various methods of the embodiment of the present application.
  • the computer program For the sake of brevity, no further details will be given here.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device 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 coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • 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 various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .

Landscapes

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

Abstract

La présente invention concerne des procédés de communication sans fil et des dispositifs de terminal. Un procédé comprend les étapes suivantes : un premier terminal envoie des informations de demande d'informations d'état de canal (CSI) à un second terminal, les informations de demande de CSI étant utilisées pour demander d'acquérir un rapport de CSI cible, et les informations de demande de CSI étant envoyées sur une ou plusieurs porteuses ; et le premier terminal reçoit le rapport de CSI cible envoyé par le second terminal, le rapport de CSI cible étant reçu sur une ou plusieurs porteuses.
PCT/CN2022/100410 2022-06-22 2022-06-22 Procédés de communication sans fil et dispositifs de terminal WO2023245493A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/100410 WO2023245493A1 (fr) 2022-06-22 2022-06-22 Procédés de communication sans fil et dispositifs de terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/100410 WO2023245493A1 (fr) 2022-06-22 2022-06-22 Procédés de communication sans fil et dispositifs de terminal

Publications (1)

Publication Number Publication Date
WO2023245493A1 true WO2023245493A1 (fr) 2023-12-28

Family

ID=89378766

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/100410 WO2023245493A1 (fr) 2022-06-22 2022-06-22 Procédés de communication sans fil et dispositifs de terminal

Country Status (1)

Country Link
WO (1) WO2023245493A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114073120A (zh) * 2019-11-08 2022-02-18 华为技术有限公司 一种侧行链路信道状态信息报告的发送方法、装置及系统
CN114221744A (zh) * 2021-12-03 2022-03-22 京信网络系统股份有限公司 信道状态信息传输方法、装置、终端设备和基站
WO2022086160A1 (fr) * 2020-10-20 2022-04-28 엘지전자 주식회사 Procédé permettant de transmettre efficacement un rapport de csi de liaison latérale destiné à une gestion de faisceaux dans un système de communication v2x à ondes millimétriques
US20220132558A1 (en) * 2019-11-07 2022-04-28 Lg Electronics Inc. Method and apparatus for selecting a sidelink resource for a sidelink csi reporting in a wireless communication system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220132558A1 (en) * 2019-11-07 2022-04-28 Lg Electronics Inc. Method and apparatus for selecting a sidelink resource for a sidelink csi reporting in a wireless communication system
CN114073120A (zh) * 2019-11-08 2022-02-18 华为技术有限公司 一种侧行链路信道状态信息报告的发送方法、装置及系统
WO2022086160A1 (fr) * 2020-10-20 2022-04-28 엘지전자 주식회사 Procédé permettant de transmettre efficacement un rapport de csi de liaison latérale destiné à une gestion de faisceaux dans un système de communication v2x à ondes millimétriques
CN114221744A (zh) * 2021-12-03 2022-03-22 京信网络系统股份有限公司 信道状态信息传输方法、装置、终端设备和基站

Similar Documents

Publication Publication Date Title
US20230063901A1 (en) Sidelink feedback method and terminal device
WO2021212372A1 (fr) Terminal et procédé d'attribution de ressources
US20220394503A1 (en) Wireless communication method and device
WO2022016342A1 (fr) Procédé de brouillage de canaux et dispositif terminal
WO2023245493A1 (fr) Procédés de communication sans fil et dispositifs de terminal
WO2022077395A1 (fr) Procédé de transmission de liaison latérale et terminal
WO2023245492A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif réseau
WO2023220961A1 (fr) Procédé de transmission de données, premier dispositif et second dispositif
WO2023230787A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif de réseau
WO2022021293A1 (fr) Procédé et dispositif de surveillance de canal
WO2022193198A1 (fr) Procédé de demande de ressource de liaison latérale, dispositif terminal et dispositif de réseau
WO2024020859A1 (fr) Procédé de commutation entre des liaisons de relais et dispositif associé
WO2024031295A1 (fr) Procédé et terminal de communication
WO2023220895A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif de réseau
WO2024020938A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif réseau
WO2022150990A1 (fr) Procédé et appareil de communication sans fil, et dispositif de communication
WO2022027679A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif réseau
WO2022165843A1 (fr) Procédé de transmission de liaison latérale et terminal
WO2023283777A1 (fr) Procédés de communication sans fil et dispositifs terminaux
WO2023060559A1 (fr) Procédé de communication sans fil et dispositif terminal
WO2023197260A1 (fr) Procédé de communication sans fil, dispositif terminal, et dispositif de réseau
WO2024011588A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif réseau
WO2023206004A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif réseau
WO2024026678A1 (fr) Procédés de communication sans fil, dispositifs terminaux et dispositifs de réseau
WO2022061790A1 (fr) Procédé de transmission d'un ensemble de ressources, et terminaux

Legal Events

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

Ref document number: 22947272

Country of ref document: EP

Kind code of ref document: A1