WO2023245492A1 - 无线通信的方法、终端设备和网络设备 - Google Patents

无线通信的方法、终端设备和网络设备 Download PDF

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Publication number
WO2023245492A1
WO2023245492A1 PCT/CN2022/100408 CN2022100408W WO2023245492A1 WO 2023245492 A1 WO2023245492 A1 WO 2023245492A1 CN 2022100408 W CN2022100408 W CN 2022100408W WO 2023245492 A1 WO2023245492 A1 WO 2023245492A1
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Prior art keywords
carrier
configuration
csi report
resource
terminal
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PCT/CN2022/100408
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English (en)
French (fr)
Inventor
冷冰雪
卢前溪
张博源
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Oppo广东移动通信有限公司
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Priority to PCT/CN2022/100408 priority Critical patent/WO2023245492A1/zh
Publication of WO2023245492A1 publication Critical patent/WO2023245492A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems

Definitions

  • Embodiments of the present application relate to the field of communications, and specifically relate to a wireless communication method, terminal equipment, and network equipment.
  • the sidelink channel state information (CSI) reporting process is used to provide sidelink channel status information to the counterparty device in unicast communication, thereby facilitating the counterparty device to adjust the corresponding access layer parameters, including But it is not limited to power control and modem mode adjustment.
  • the existing NR (New Radio) SL (Sidelink) only supports a single carrier and the CSI reporting mechanism under a single carrier. After the multi-carrier mechanism is introduced, the corresponding CSI reporting mechanism has yet to be proposed.
  • This application provides a wireless communication method, terminal equipment and network equipment, which is beneficial to improving sideline transmission performance.
  • a wireless communication method applied to a first terminal, including:
  • Receive first indication information the first indication information being used to instruct the first terminal to send a first channel state information CSI report;
  • a first carrier is determined, and the first carrier is used to send the first CSI report.
  • a wireless communication method is provided, applied to the second terminal, including:
  • Send first indication information where the first indication information is used to instruct the first terminal to send the first CSI report.
  • a wireless communication method is provided, applied to network equipment, including:
  • a first resource is determined, and the first resource is used by the first terminal to send a first CSI report.
  • a fourth aspect provides a first terminal device for executing the method in the above first aspect or its respective implementations.
  • the first terminal device includes a functional module for executing the method in the above-mentioned first aspect or its respective implementations.
  • a fifth aspect provides a second terminal device for executing the method in the above second aspect or its respective implementations.
  • the second terminal device includes a functional module for executing the method in the above second aspect or its respective implementations.
  • a sixth aspect provides a network device for performing the method in the above third aspect or its respective implementations.
  • the network device includes a functional module for executing the method in the above third aspect or its respective implementations.
  • a first 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 second terminal device including a processor and a memory.
  • the memory is used to store computer programs
  • 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 ninth 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 third aspect or its respective implementations.
  • a chip is provided for implementing any one of the above-mentioned first to third 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 third aspects or implementations thereof. method.
  • An eleventh 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 third 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 third aspects or the method in each implementation manner thereof.
  • a thirteenth aspect provides a computer program that, when run on a computer, causes the computer to execute any one of the above-mentioned first to third aspects or the method in each implementation thereof.
  • the first terminal can receive the first indication information sent by other devices (such as the second terminal).
  • the first indication information is used to instruct the first terminal to send the first channel state information CSI report.
  • the first terminal determines a first carrier, and the first carrier is used to send the first CSI report. Further, the first terminal can send the first CSI report on the first carrier, thereby providing a multi-purpose CSI reporting method under carrier mechanism.
  • 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 flow chart of a wireless communication method provided by an embodiment of the present application.
  • Figure 4 is a schematic interaction diagram of a wireless communication method provided by an embodiment of the present application.
  • Figure 5 is a schematic interaction diagram of 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 network device provided according to an embodiment of the present application.
  • Figure 9 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Figure 10 is a schematic block diagram of a chip provided according to an embodiment of the present application.
  • Figure 11 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, which are general terms that apply wearable technology to intelligently design daily wear and develop wearable devices, 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 devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Broadly defined 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. Use, such as various types of smart bracelets, smart jewelry, etc. for physical sign monitoring.
  • 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.
  • LTE D2D/Vehicle to X Device-to-device communication is a Sidelink (SL) transmission technology based on Device to Device (D2D), also called sidelink Link communication technology is different from the way communication data is received or sent through base stations in traditional cellular systems.
  • SL Sidelink
  • D2D Device to Device
  • the Internet of Vehicles system uses terminal-to-terminal direct communication, so it has higher spectrum efficiency and lower transmission delay.
  • 3GPP defines two transmission modes: Mode A and Mode B.
  • the transmission resources of the terminal equipment are allocated by the access network equipment (such as the base station).
  • the terminal equipment transmits communication data on the sidelink according to the transmission resources allocated by the access network equipment.
  • the access network equipment may be allocated transmission resources for a single transmission or may be allocated for semi-static transmission.
  • Mode B The terminal device selects transmission resources from the resource pool to transmit communication data. Specifically, the terminal device may select transmission resources from the resource pool by listening, or select transmission resources from the resource pool by random selection.
  • D2D is divided into different stages for research.
  • Proximity based Service In 3GPP version 12 and 13 (Rel-12/13), device-to-device communication is studied for the ProSe scenario, which is mainly aimed at public safety. business.
  • 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 terminal (User Equipment, UE) can send/receive data discontinuously on the SL, thereby achieving the effect of power saving.
  • the terminal User Equipment, UE
  • V2X Vehicle to Everything
  • NR V2X Based on LTE V2X, NR V2X is not limited to broadcast scenarios, but further extends to unicast and multicast scenarios, and the application of V2X is studied in these scenarios.
  • NR V2X will also define the above two resource authorization modes: Mode A (named Mode One, Mode-1 in NR V2X) and Mode B (named Mode Two, Mode-2 in NR V2X); Furthermore, users may be in a mixed mode, that is, they can use Mode-1 to obtain resources and Mode-2 to obtain resources at the same time.
  • the resource acquisition is indicated through sidelink authorization, that is, the sidelink authorization indicates the corresponding Physical Sidelink Control Channel (PSCCH) and the Physical Sidelink Shared Channel (Physical Sidelink Shared Channel) , the time-frequency location of PSSCH) resources.
  • PSCCH Physical Sidelink Control Channel
  • Physical Sidelink Shared Channel Physical Sidelink Shared Channel
  • NR V2X introduces feedback-based HARQ retransmission, which is not limited to unicast communication, but also includes group communication. Broadcast communication.
  • HARQ Hybrid Automatic Repeat ReQuest
  • LTE-V2X CA Carrier selection in LTE-V2X Carrier Aggregation (CA) is completed by the following mechanism:
  • the upper layer configures the mapping relationship between service type (service type) and carrier, that is, for a certain service type, the upper layer indicates the available carriers (set) to the access layer (Access Stratum, AS);
  • the AS layer configures the set of carriers available for each logical channel and the channel busy bit rate (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 transmitted data. If the measured value is lower than the threshold, the carrier is considered available.
  • CA is a bandwidth expansion technology supported by the Long Term Evolution Technology Upgrade (LTE-Advanced) standard. It can aggregate multiple component carriers (Component Carrier, CC) together and be received or received simultaneously by one UE. send. 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).
  • Intra-band CA intra-band CA
  • inter-band CA cross-band CA
  • 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.
  • 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 Primary Cell, PCell
  • the secondary cell Secondary Cell, SCell
  • a beam failure recovery mechanism is designed for PCell and Secondary Primary Cell (PSCell). Its main functional modules (or main steps) are divided into 4:
  • NBI New Beam Identification
  • BFRQ Beam Failure Recovery ReQest
  • the terminal 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 will also measure a set of candidate beams and select a beam that meets a certain threshold as a new beam. The terminal then notifies the network that a beam failure has occurred and reports a new beam through the Beam Failure Recovery reQuest (BFRQ) process.
  • BFRQ Beam Failure Recovery reQuest
  • the sidelink channel status information reporting process is used to provide sidelink channel status information to the counterpart UE in unicast communication, thereby facilitating the counterpart UE to make corresponding access layer parameter adjustments, including but not limited to power control and modulation. Demodulation mode adjustment.
  • the RRC layer can configure a delay threshold to control the sidelink channel status information reporting process. Specifically, if the sidelink channel status information report has been triggered by the counterparty UE, and if the present UE successfully obtains the sidelink resource authorization for the counterparty UE within the delay threshold, the present UE will generate a corresponding report for the counterparty UE.
  • the channel state information report of the other party UE Describe the channel state information report of the other party UE and send it; otherwise, it can be considered that even if the sidelink channel state information is generated, it is already out of date, that is, it cannot reflect the channel quality of this UE and the other party UE in time, so even if it is obtained If the sidelink resource authorization for the other party UE is not granted, the sending of the channel status information report will also be canceled; at the same time, if the UE is in the network scheduling resource selection mode, if the sidelink resource authorization cannot meet the delay threshold, the UE can A scheduling request is triggered to obtain sidelink resource authorization.
  • Sidelink logical channel priority (Logical Channel Prioritization, LCP) processing refers to prioritizing different logical channels when generating a new MAC PDU (Protocol Data Unit, protocol data unit) to determine the priority for different The process of transmitting the amount of data transmitted by the logical channel/MAC CE (Medium Access Control Control Element, Media Access Control Element).
  • LCP Logical Channel Prioritization
  • the data carried by the logical channel is allowed to be carried by the configured resource authorization of Type 1; according to the configured resource authorization list associated with the logical channel, the logical channel The data carried is allowed to be carried by the currently configured resource authorization.
  • Step 1 Selection of the target address: If there is data to be sent and the side-link logical channel to which the target address belongs contains the logical channel with the highest priority associated with the currently selectable logical letter.
  • Step 2 Selection of logical channels within the selected target address; within the logical channels belonging to the selected target address and meeting the above restrictions, allocate resources to the side chain logical channel with the highest priority.
  • Both LTE-V2X and NR-V2X support data transmission under network scheduling, including: Mode 1 and Mode 3 under LTE-V2X, and Mode 1 under NR-V2X.
  • the resource authorization for sidelink data transmission comes from the network, that is, the network issues the resource authorization to the sending UE, and the sending UE uses the resource first for sidelink transmission. Similar to the uplink transmission of the Uu interface, since the network side does not know the current data cache status of the UE side, the UE needs to report the UE's current data cache status to the network, thereby triggering the network to issue resource authorization.
  • the UE sends a scheduling request (Scheduling Request, SR) or random access to the base station, and then sends a sidelink buffer status report (Buffer Status Report, BSR).
  • SR scheduling request
  • BSR Sidelink buffer status report
  • the base station may determine that the UE has data to transmit for sidelink communications and estimate the resources required to transmit the data.
  • the base station may use the configured RNTI for the sidelink to schedule transmission resources for sidelink communications.
  • the "Destination Index" field is used to identify the destination address for sidelink communications.
  • the UE sets this value to the index of the relevant target address in the target address list reported in the SidelinkUEInformation message. If the UE reports multiple target address lists in the SidelinkUEInformation message, the UE serially arranges the multiple target address lists in order to index the corresponding target addresses.
  • the SidelinkUEInformation message in LTE-V2X defines target address lists for different frequencies, for a certain target address, when it can be used on more than one frequency, there will be one target address corresponding to multiple targets. Index situation, thus leading to some target index redundancy situations. This problem is not solved in LTE-V2X.
  • the signaling structure of the SidelinkUEInformation message is modified to address this problem, that is, the frequency list is placed in different target address structures, thus avoiding this problem.
  • Logical channel group identification This field identifies the logical channel group that is reporting the UE buffer status.
  • the logical channel group identification is used to indicate the priority information (PPPP) and reliability information (PPPR) related to the data to be transmitted.
  • PPPP priority information
  • PPPR reliability information
  • the UE reports the amount of data associated with one or more PPPP and/or PPPR values via the sidelink BSR.
  • the mapping of PPPP and PPPR values to logical channel groups can be configured by the base station, and the PPPP values and PPPR values are reflected by the logical channel group ID contained in the sidelink BSR. ;
  • Buffer size Similar to the definition of the uplink BSR, this field defines the total amount of data in all logical channels of the relevant LCG after generating the MAC PDU, including all data available for transmission in the RLC layer and PDCP layer (regardless of RLC and the size of the MAC header).
  • the format definition of the sidelink BSR is similar, except that the target address identifier is extended from 4 bits to 5 bits, the logical channel group identifier is extended from 2 bits to 3 bits, and the cache size is extended from 6 bits to 8 bits. Therefore, a logical channel group under a target address needs to occupy 2 bytes, so there is no need to define the sidelink BSR format separately for the number of even entries and the number of odd entries.
  • the triggering of sidelink BSR in addition to the following triggering conditions similar to uplink BSR:
  • New data to be transmitted appears in the RLC entity or PDCP entity (if there is other data to be transmitted, the priority of the new data is higher than the priority of the data to be transmitted in any logical channel group of the same destination address, or the destination address is currently There is no other data to be transferred yet);
  • the number of remaining bits is equal to or greater than the size of the sidelink BSR (buffer information of at least one logical channel group containing at least one target address);
  • the sidelink BSR retransmission timer expires and the MAC entity has data available for sidelink transmission
  • the sidelink BSR periodic timer expires.
  • the sidelink and uplink use the same SR resources without distinction. Therefore, the network side cannot distinguish from the received SR resources whether the resource is requested on the sidelink or the uplink.
  • the network can configure the UE to use different SR resources for the uplink and sidelink, which solves the problem of using mixed SR resources for the sidelink and uplink in LTE-V2X;
  • the network can configure the UE to use different SR resources for different logical channels of the sidelink. In this way, the network can not only know whether the sidelink is a sidelink through the SR resource.
  • the link triggers the resource request, and you can know which logical channel of the sidelink triggered the resource request through the SR resource;
  • NR-V2X also defines the relevant processes for triggering SR by sidelink CSI reports and the corresponding SR cancellation conditions. Specifically, when the size of the sidelink resource grant can accommodate the sidelink CSI report that has been triggered but not yet canceled, the SR triggered by the sidelink CSI report for the relevant target address will be canceled and the relevant The SR timer should be stopped.
  • CSI report In NR V2X, currently only a single carrier and the CSI reporting mechanism under a single carrier are supported. After the multi-carrier mechanism is introduced, the CSI reporting mechanism needs to be enhanced accordingly. On the UE side that sends the CSI report, it is necessary to consider sending it on a specific carrier. CSI report
  • Figure 3 shows a flow chart of a wireless communication method provided by an exemplary embodiment of the present application.
  • the method is executed by the first terminal.
  • the method includes the following:
  • the method further includes sending the first CSI report on the first carrier.
  • the first indication information is CSI request information.
  • the first terminal receives the CSI request information sent by the second terminal, further determines the first carrier, and then sends the first CSI report to the second terminal on the first carrier.
  • the time when the first terminal receives the first indication information is one of the following: if the first indication information is physical layer information, it is when the physical layer informs the MAC layer of the first indication information; if the first indication If the information is MAC layer information, it is when the MAC layer information is decoded; if it is RRC layer information, it is when the RRC layer indicates the first indication information of the MAC layer.
  • the first terminal After receiving the first indication information, the first terminal needs to perform carrier selection and then determine the first carrier, thereby sending the first CSI report on the first carrier.
  • the first carrier is at least one of the following: a carrier configured by the network, a carrier configured by the second terminal, a carrier specified by the protocol, a carrier negotiated by both terminals, a default carrier, receiving the first indication The carrier of the information and the carrier of the CSI signal.
  • the first carrier is the carrier that receives the first indication information.
  • the first terminal After receiving the first indication information, the first terminal sends the first CSI report on the carrier that receives the first indication information.
  • the first carrier is a carrier negotiated by both terminals, that is, the first carrier is a carrier negotiated by the first terminal and the second terminal.
  • the first terminal After receiving the first indication information sent by the second terminal, the first terminal Send the first CSI report to the second terminal on the carrier.
  • the first carrier may be one or more, and the first terminal may send the CSI report on one carrier or may send the CSI report on multiple carriers at the same time.
  • the method further includes performing a logical channel priority LCP procedure. Specifically, when the first carrier is the second carrier, select the target address corresponding to the first CSI report, and/or the logical channel associated with the target address, and/or the first CSI report medium. Access control control element MAC CE; if the first carrier is not the second carrier, do not select the target address corresponding to the first CSI report, or: select the target address corresponding to the first CSI report and/ Or the logical channel associated with the target address does not select the first CSI report MAC CE; wherein the second carrier is the carrier where the currently available resources are located.
  • the logical channel associated with the target address, and the MAC CE of the first CSI report sending on the first carrier The first CSI report.
  • the first carrier is a carrier where currently available resources are located, that is, the first carrier currently has resources that can be used to transmit data, and the resources can be used to transmit the first CSI report, then the first terminal can select the unsent third CSI report.
  • a target address corresponding to a CSI report, a logical channel associated with the target address, and the first CSI report MAC CE, and the first CSI report may be sent on the first carrier.
  • the LCP process successfully assembles and carries the CSI report.
  • determining the first carrier includes: determining the first carrier among multiple carriers according to CSI configuration information, where the CSI configuration information is specified by a protocol, or determined by a network device, or by a terminal device. Determined, or preconfigured.
  • the CSI configuration information may be determined by the first terminal (UE that receives the CSI request).
  • the CSI configuration information may be determined by the second terminal (UE that sends the CSI request).
  • the method further includes: receiving first configuration information, the first configuration information being used to indicate the CSI configuration information.
  • the method further includes: sending second configuration information to the network device, where the second configuration information is used to indicate the CSI configuration information.
  • the first terminal sends the second configuration information to the network device through RRC signaling.
  • the CSI configuration information includes at least one of the following: carrier configuration for transmitting reference signals, carrier configuration for CSI report request information, carrier configuration for CSI report measurement, carrier configuration for CSI report transmission, and delay timer value, time-frequency domain position of the reference signal and antenna configuration.
  • the first terminal determines the first carrier among multiple carriers according to the carrier configuration sent by the CSI report in the CSI configuration information.
  • the first terminal receives the CSI configuration information sent by the second terminal, and then reports the CSI configuration information to the network device through RRC signaling.
  • the method further includes determining a first resource for sending the first CSI report.
  • the first resource is a resource on the first carrier, and the first resource is used to send the first CSI report.
  • the first terminal device uses the first resource to send the first CSI report on the first carrier.
  • determining the first resource includes: triggering resource selection on the first carrier, and determining the first resource.
  • the available resources are determined as the first resources.
  • the first terminal performs carrier selection and determines the first carrier after receiving the first indication information sent by the second terminal. Then resource selection is triggered on the first carrier, the first resource is determined, and the first resource is used to send the first CSI report to the second terminal on the first carrier.
  • determining the first resource includes: if there are available resources on the first carrier before the first timer times out, determining the available resources as the first resources; if after the first timer expires, the available resources are determined as the first resources. Before the timer times out, if there are no available resources on the first carrier, the first scheduling request SR and/or the first buffer status report BSR is sent to the network device to request the first resource.
  • the method further includes: receiving second indication information sent by the network device, where the second indication information is used to indicate the first resource.
  • the first BSR includes target address identification information and/or logical channel identification information.
  • the first timer is a delay requirement timer.
  • the first terminal receives After receiving the first indication information sent by the second terminal, the delay requirement timer is started. If there are available resources on the first carrier before the delay requirement timer times out, the available resources are used to send the message on the first carrier.
  • the first CSI report if there are no available resources on the first carrier before the delay requirement timer times out, the first terminal triggers the BSR process and applies to the network device for resources to send the first CSI report, specifically , the first terminal sends the first BSR to the network device, and the network device indicates the resources required to send the first CSI report through the target address identification information (target address number) and logical channel identification information (logical channel group number) in the BSR (The carrier where the resource is located is the carrier that sends the first CSI report).
  • target address identification information target address number
  • logical channel identification information logical channel group number
  • sending the first SR to the network device includes: sending the first SR according to a first SR configuration corresponding to the first CSI report, wherein the first SR configuration is network configured, Or stipulated in the agreement, or by default.
  • different SR configurations correspond to different sidelink carriers and/or different CSI reports.
  • the network device can determine the carrier and resources for transmitting the first CSI report based on the SR configuration, and then send the first CSI report to the third CSI report.
  • a terminal indicates the resource.
  • the network device determines the carrier and resource for transmitting the first CSI report based on the CSI configuration (CSI configuration information) and the corresponding target address, and then indicates the resource to the first terminal.
  • the first terminal receives After receiving the first indication information sent by the second terminal, the delay requirement timer is started. If there are available resources on the first carrier before the delay requirement timer times out, the available resources are used to send the message on the first carrier.
  • the first CSI report if there are no available resources on the first carrier before the delay requirement timer times out, the first terminal triggers the SR process and applies to the network device for resources to send the first CSI report. Specifically, the first terminal sends a first SR to the network device, and the network device indicates, through the first SR, the resources required to send the first CSI report.
  • Figure 4 shows a flow chart of a wireless communication method provided by an exemplary embodiment of the present application.
  • the method includes at least part of the following content:
  • the second terminal sends first indication information to the first terminal, where the first indication information is used to instruct the first terminal to send a first CSI report;
  • S420 The first terminal performs carrier selection and determines the first carrier
  • S430 The first terminal performs resource selection on the first carrier and determines the first resource
  • the first terminal uses the first resource on the first carrier to send the first CSI report to the second terminal.
  • the first indication information is CSI request information.
  • the first terminal receives the CSI request information sent by the second terminal, further determines the first carrier, and then sends the first CSI report to the second terminal on the first carrier.
  • the second terminal device receives the first CSI report on the first carrier.
  • the time when the first terminal receives the first indication information is one of the following: if the first indication information is physical layer information, it is when the physical layer informs the MAC layer of the first indication information; if the first indication If the information is MAC layer information, it is when the MAC layer information is decoded; if it is RRC layer information, it is when the RRC layer indicates the first indication information of the MAC layer.
  • the first carrier is at least one of the following: a carrier configured by the network, a carrier configured by the second terminal, a carrier specified by the protocol, a carrier negotiated by both terminals, a default carrier, receiving the first indication The carrier of the information and the carrier of the CSI signal.
  • the method further includes performing a logical channel priority LCP procedure. Specifically, when the first carrier is the second carrier, select the target address corresponding to the first CSI report, and/or the logical channel associated with the target address, and/or the first CSI report medium. Access control control element MAC CE; if the first carrier is not the second carrier, do not select the target address corresponding to the first CSI report, or: select the target address corresponding to the first CSI report and/ Or the logical channel associated with the target address does not select the first CSI report MAC CE; wherein the second carrier is the carrier where the currently available resources are located.
  • the first carrier is the carrier where currently available resources are located
  • determining the first resource includes: triggering resource selection on the first carrier, and determining the first resource.
  • the available resources are determined as the first resources.
  • the first terminal performs carrier selection and determines the first carrier after receiving the first indication information sent by the second terminal. Then resource selection is triggered on the first carrier, the first resource is determined, and the first resource is used to send the first CSI report to the second terminal on the first carrier.
  • Figure 5 shows a flow chart of a wireless communication method provided by another exemplary embodiment of the present application.
  • the method includes at least part of the following content:
  • the second terminal sends first indication information to the first terminal, where the first indication information is used to instruct the first terminal to send a first CSI report;
  • the first terminal sends the first scheduling request SR and/or the first buffer status report BSR to the network device to request the first resource, and the first resource is used by the first terminal to send the first CSI report;
  • the network device sends second indication information to the first terminal, where the second indication information is used to indicate the first resource;
  • S560 The first terminal sends the first CSI report to the second terminal.
  • S530 also includes:
  • the second terminal sends first configuration information to the first terminal, where the first configuration information is used to indicate CSI configuration information;
  • the first terminal sends second configuration information to the network device, where the second configuration information is used to indicate the CSI configuration information.
  • the first terminal receives the CSI configuration information sent by the second terminal, and then reports the CSI configuration information to the network device through RRC signaling.
  • S530 also includes:
  • the first terminal receives the first configuration information sent by the network device, where the first configuration information is used to indicate CSI configuration information;
  • the first terminal sends second configuration information to the second terminal, where the second configuration information is used to indicate the CSI configuration information.
  • the first terminal receives the CSI configuration information sent by the network device, and then sends the CSI configuration information to the second terminal.
  • the CSI configuration information includes at least one of the following: carrier configuration for transmitting reference signals, carrier configuration for CSI report request information, carrier configuration for CSI report measurement, carrier configuration for CSI report transmission, and delay timer value, time-frequency domain position of the reference signal and antenna configuration.
  • the first terminal after receiving the first indication information sent by the second terminal, the first terminal starts the delay requirement timer. If there are no available resources on the first carrier before the first timer times out, then Send a first scheduling request SR and/or a first buffer status report BSR to the network device to request the first resource;
  • the first BSR includes target address identification information and/or logical channel identification information.
  • the first timer is a delay requirement timer.
  • the first terminal in mode 1 (the transmission resources of the terminal device are allocated by the access network device, and the terminal device transmits communication data on the sidelink according to the transmission resources allocated by the access network device), the first After receiving the first indication information sent by the second terminal, a terminal starts the delay requirement timer. If there are available resources on the first carrier before the delay requirement timer times out, the terminal uses the available resources to perform the first operation on the first carrier. Send the first CSI report on a carrier; if there are no available resources on the first carrier before the delay requirement timer times out, the first terminal triggers the BSR process and applies to the network device for sending the first CSI report.
  • the first terminal sends the first BSR to the network device, and the network device indicates the need to send the first BSR through the target address identification information (target address number) and logical channel identification information (logical channel group number) in the BSR.
  • CSI reporting resources specifically, the first terminal sends the first BSR to the network device, and the network device indicates the need to send the first BSR through the target address identification information (target address number) and logical channel identification information (logical channel group number) in the BSR.
  • sending the first SR to the network device includes sending the first SR according to a first SR configuration corresponding to the first CSI report.
  • the network device determines the first resource based on the first SR configuration and the first correspondence, where the first correspondence is the correspondence between the SR configuration and the sidelink carrier.
  • different SR configurations correspond to different sidelink carriers.
  • the network device can determine the carrier and resources for transmitting the first CSI report based on the SR configuration, and then indicate the resources to the first terminal.
  • the SR configuration is network configured, or protocol specified, or default.
  • the network device determines the carrier and resource for transmitting the first CSI report based on the CSI configuration (CSI configuration information) and the corresponding target address, and then indicates the resource to the first terminal.
  • the first terminal receives After receiving the first indication information sent by the second terminal, the delay requirement timer is started. If there are available resources on the first carrier before the delay requirement timer times out, the available resources are used to send the message on the first carrier.
  • the first CSI report if there are no available resources on the first carrier before the delay requirement timer times out, the first terminal triggers the SR process and applies to the network device for resources to send the first CSI report. Specifically, the first terminal sends a first SR to the network device, and the network device indicates, through the first SR, the resources required to send the first CSI report.
  • Figure 6 shows a schematic block diagram of the first terminal 600 according to an embodiment of the present application.
  • the first terminal 600 includes:
  • the first communication unit 610 is configured to receive first indication information, where the first indication information is used to instruct the first terminal to send a first channel state information CSI report;
  • the first processing unit 620 is configured to determine a first carrier, and the first carrier is used to send the first CSI report.
  • the first carrier is at least one of the following: a carrier configured by the network, a carrier configured by the second terminal, a carrier specified by the protocol, a carrier negotiated by both terminals, a default carrier, receiving the first indication The carrier of the information and the carrier of the CSI signal.
  • the first communication unit is further configured to send the first CSI report on the first carrier.
  • the first processing unit is also configured to perform a logical channel priority LCP process.
  • the LCP process includes:
  • the first carrier When the first carrier is the second carrier, select the target address corresponding to the first CSI report, and/or the logical channel associated with the target address, and/or the first CSI report media access control control Element MAC CE;
  • the first carrier is not the second carrier, do not select the target address corresponding to the first CSI report, or:
  • the second carrier is the carrier where currently available resources are located.
  • the first communication unit is further configured to select the target address corresponding to the first CSI report, the logical channel associated with the target address, and the MAC CE of the first CSI report. Next, the first CSI report is sent on the first carrier.
  • determining the first carrier includes: determining a first resource, where the first resource is a resource on the first carrier, and the first resource is used to send the first CSI report;
  • determining the first resource includes: triggering resource selection on the first carrier and determining the first resource.
  • determining the first resource includes: if there are available resources on the first carrier before the first timer expires, determining the available resources as the first resources; if on the first timer, there are available resources on the first carrier. Before the timer times out, if there are no available resources on the first carrier, the first scheduling request SR and/or the first buffer status report BSR is sent to the network device to request the first resource.
  • the first BSR includes target address identification information and/or logical channel identification information.
  • sending the first SR to the network device includes: sending the first SR according to a first SR configuration corresponding to the first CSI report, wherein the first SR configuration is a network configuration , or stipulated in the agreement, or by default.
  • the first processing unit is further configured to receive second indication information sent by the network device, where the second indication information is used to indicate the first resource.
  • determining the first carrier includes: determining the first carrier among multiple carriers according to CSI configuration information, where the CSI configuration information is specified by a protocol or determined by a network device, or The terminal device is determined or preconfigured.
  • the first communication unit is further configured to: receive first configuration information, where the first configuration information is used to indicate the CSI configuration information.
  • the first communication unit is further configured to: send second configuration information to the network device, where the second configuration information is used to indicate the CSI configuration information.
  • the first terminal sends the second configuration information to the network device through RRC signaling.
  • the CSI configuration information includes at least one of the following: carrier configuration for transmitting reference signals, carrier configuration for CSI report request information, carrier configuration for CSI report measurement, carrier configuration for CSI report transmission, and delay timer value, time-frequency domain position of the reference signal and antenna configuration.
  • Figure 7 shows a schematic block diagram of a second terminal 700 according to an embodiment of the present application.
  • the second terminal 700 includes:
  • the second communication unit 710 is configured to send first indication information, where the first indication information is used to instruct the first terminal to send the first CSI report.
  • the second processing unit 720 is configured to determine a first carrier, and the first carrier is used to receive the first CSI report.
  • the second communication unit is further configured to: send first configuration information, where the first configuration information is used to indicate CSI configuration information.
  • the CSI configuration information includes at least one of the following: carrier configuration for transmitting reference signals, carrier configuration for CSI report request information, carrier configuration for CSI report measurement, carrier configuration for CSI report transmission, and delay timer value, time-frequency domain position of the reference signal and antenna configuration.
  • the second communication unit is further configured to: receive the first CSI report sent by the first terminal device on the first carrier.
  • FIG 8 shows a schematic block diagram of a network device 800 according to an embodiment of the present application.
  • the network device 800 includes:
  • Communication unit 810 configured to receive the first scheduling request SR and/or the first buffer status report BSR sent by the first terminal;
  • the processing unit 820 is configured to determine a first resource according to the first SR and/or the first BSR, and the first resource is used by the first terminal to send a first CSI report.
  • the first BSR includes target address identification information and/or logical channel identification information.
  • determining the first resource includes: determining the first resource according to the target address identification information and logical channel identification information.
  • determining the first resource includes: determining the first resource according to the first SR and CSI configuration information, where the CSI configuration information is specified by the protocol, or the network Determined by the device, or preconfigured, or determined by the second terminal.
  • determining the first resource includes: determining a first SR configuration according to the first SR, determining the first resource based on the first SR configuration, and the first SR configuration is a network Configured, or specified by the protocol, or default.
  • determining the first resource based on the first SR configuration includes: determining the first resource based on the first SR configuration and a first correspondence, wherein the first correspondence The relationship is the corresponding relationship between the SR configuration and the sidelink carrier.
  • the communication unit is further configured to: send second indication information to the first terminal, where the second indication information is used to indicate the first resource.
  • the communication unit is further configured to receive second configuration information, where the second configuration information is used to indicate the CSI configuration information.
  • Figure 9 is a schematic structural diagram of a communication device 900 provided by an embodiment of the present application.
  • the communication device 900 shown in Figure 9 includes a processor 910.
  • the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • communication device 900 may also include memory 920.
  • the processor 910 can call and run the computer program from the memory 920 to implement the method in the embodiment of the present application.
  • the memory 920 may be a separate device independent of the processor 910 , or may be integrated into the processor 910 .
  • the communication device 900 may also include a transceiver 930, and the processor 910 may control the transceiver 930 to communicate with other devices, specifically, may send information or data to other devices, or Receive information or data from other devices.
  • the transceiver 930 may include a transmitter and a receiver.
  • the transceiver 930 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 900 can be specifically a network device according to the embodiment of the present application, and the communication device 900 can implement the corresponding processes implemented by the network device in each method of the embodiment of the present application.
  • the communication device 900 is not mentioned here. Again.
  • the communication device 900 may be a terminal device according to the embodiment of the present application, and the communication device 900 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, the communication device 900 will not be mentioned here. Again.
  • Figure 10 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 1000 shown in Figure 10 includes a processor 1010.
  • the processor 1010 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 1000 may also include a memory 1020 .
  • the processor 1010 can call and run the computer program from the memory 1020 to implement the method in the embodiment of the present application.
  • the memory 1020 may be a separate device independent of the processor 1010, or may be integrated into the processor 1010.
  • the chip 1000 may also include an input interface 1030.
  • the processor 1010 can control the input interface 1030 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 1000 may also include an output interface 1040.
  • the processor 1010 can control the output interface 1040 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 device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the first device in the various methods of the embodiment of the present application.
  • the details will not be described again.
  • 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.
  • 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 11 is a schematic block diagram of a communication system 1100 provided by an embodiment of the present application. As shown in Figure 11, the communication system 1100 includes a terminal device 1110 and a network device 1120.
  • the terminal device 1110 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 1120 can be used to implement the corresponding functions implemented by the network device in the above method.
  • the terminal device 1110 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 1120 can be used to implement the corresponding functions implemented by the network device in the above method.
  • 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 device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the first device 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 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.
  • 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 device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the first device 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 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.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the first device 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 device in each method 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 device in each method of the embodiment of the present application.
  • the computer program can be applied to the first terminal in the embodiment of the present application.
  • the computer program executes the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
  • the computer program executes the corresponding processes implemented by the first terminal in the various methods of the embodiment of the present application.
  • 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. .

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Abstract

一种无线通信的方法、终端设备和网络设备,该无线通信的方法包括:第一终端接收第一指示信息,所述第一指示信息用于指示所述第一终端发送第一信道状态信息CSI报告;确定第一载波,所述第一载波用于发送所述第一CSI报告。

Description

无线通信的方法、终端设备和网络设备 技术领域
本申请实施例涉及通信领域,具体涉及一种无线通信的方法、终端设备和网络设备。
背景技术
侧行链路信道状态信息(Channel State Information,CSI)报告过程用于为单播通信中的对方设备提供旁侧行链路信道状态信息,从而便于对方设备进行相应的接入层参数调整,包括但不限于功率控制和调制解调方式调整。
现有NR(New Radio,新空口)SL(Sidelink,侧行链路)仅支持单载波及单载波下的CSI报告机制,在引入多载波机制后,相应的CSI报告机制还有待提出。
发明内容
本申请提供了一种无线通信的方法、终端设备和网络设备,有利于提升侧行传输性能。
第一方面,提供了一种无线通信的方法,应用于第一终端,包括:
接收第一指示信息,所述第一指示信息用于指示所述第一终端发送第一信道状态信息CSI报告;
确定第一载波,所述第一载波用于发送所述第一CSI报告。
第二方面,提供了一种无线通信的方法,应用于第二终端,包括:
发送第一指示信息,所述第一指示信息用于指示第一终端发送第一CSI报告。
第三方面,提供了一种无线通信的方法,应用于网络设备,包括:
接收第一终端发送的第一调度请求SR和/或第一缓冲区状态报告BSR;
根据所述第一SR和/或所述第一BSR,确定第一资源,所述第一资源用于所述第一终端发送第一CSI报告。
第四方面,提供了一种第一终端设备,用于执行上述第一方面或其各实现方式中的方法。
具体地,该第一终端设备包括用于执行上述第一方面或其各实现方式中的方法的功能模块。
第五方面,提供了一种第二终端设备,用于执行上述第二方面或其各实现方式中的方法。
具体地,该第二终端设备包括用于执行上述第二方面或其各实现方式中的方法的功能模块。
第六方面,提供了一种网络设备,用于执行上述第三方面或其各实现方式中的方法。
具体地,该网络设备包括用于执行上述第三方面或其各实现方式中的方法的功能模块。
第七方面,提供了一种第一终端设备,包括处理器和存储器。该存储器用于存储计算机程序,该处理器用于调用并运行该存储器中存储的计算机程序,执行上述第一方面或其各实现方式中的方法。
第八方面,提供了一种第二终端设备,包括处理器和存储器。该存储器用于存储计算机程序,该处理器用于调用并运行该存储器中存储的计算机程序,执行上述第二方面或其各实现方式中的方法。
第九方面,提供了一种网络设备,包括处理器和存储器。该存储器用于存储计算机程序,该处理器用于调用并运行该存储器中存储的计算机程序,执行上述第三方面或其各实现方式中的方法。
第十方面,提供了一种芯片,用于实现上述第一方面至第三方面中的任一方面或其各实现方式中的方法。
具体地,该芯片包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有该装置的设备执行如上述第一方面至第三方面中的任一方面或其各实现方式中的方法。
第十一方面,提供了一种计算机可读存储介质,用于存储计算机程序,该计算机程序使得计算机执行上述第一方面至第三方面中的任一方面或其各实现方式中的方法。
第十二方面,提供了一种计算机程序产品,包括计算机程序指令,所述计算机程序指令使得计算机执行上述第一方面至第三方面中的任一方面或其各实现方式中的方法。
第十三方面,提供了一种计算机程序,当其在计算机上运行时,使得计算机执行上述第一方面至第三方面中的任一方面或其各实现方式中的方法。
通过上述技术方案,第一终端可以接收其他设备(例如第二终端)发送的第一指示信息,该第一指示信息用于指示所述第一终端发送第一信道状态信息CSI报告,进一步地,第一终端确定第一载波,所述第一载波用于发送所述第一CSI报告,进一步地,第一终端可以在第一载波上发送所述第一CSI报告,从而给出了一种多载波机制下的CSI报告方式。
附图说明
图1是本申请实施例应用的一种通信系统架构的示意性图。
图2是本申请实施例应用的另一种通信系统架构的示意性图。
图3是本申请实施例提供的一种无线通信的方法的流程图。
图4是本申请实施例提供的一种无线通信的方法的示意性交互图。
图5是本申请实施例提供的另一种无线通信的方法的示意性交互图。
图6是根据本申请实施例提供的一种终端设备的示意性框图。
图7是根据本申请实施例提供的另一种终端设备的示意性框图。
图8是根据本申请实施例提供的一种网络设备的示意性框图。
图9是根据本申请实施例提供的一种通信设备的示意性框图。
图10是根据本申请实施例提供的一种芯片的示意性框图。
图11是根据本申请实施例提供的一种通信系统的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。针对本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进(Long Term Evolution,LTE)系统、先进的长期演进(Advanced long term evolution,LTE-A)系统、新空口(New Radio,NR)系统、NR系统的演进系统、非授权频谱上的LTE(LTE-based access to unlicensed spectrum,LTE-U)系统、非授权频谱上的NR(NR-based access to unlicensed spectrum,NR-U)系统、非地面通信网络(Non-Terrestrial Networks,NTN)系统、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、无线局域网(Wireless Local Area Networks,WLAN)、无线保真(Wireless Fidelity,WiFi)、第五代通信(5th-Generation,5G)系统或其他通信系统等。
通常来说,传统的通信系统支持的连接数有限,也易于实现,然而,随着通信技术的发展,移动通信系统将不仅支持传统的通信,还将支持例如,设备到设备(Device to Device,D2D)通信,机器到机器(Machine to Machine,M2M)通信,机器类型通信(Machine Type Communication,MTC),车辆间(Vehicle to Vehicle,V2V)通信,或车联网(Vehicle to everything,V2X)通信等,本申请实施例也可以应用于这些通信系统。
可选地,本申请实施例中的通信系统可以应用于载波聚合(Carrier Aggregation,CA)场景,也可以应用于双连接(Dual Connectivity,DC)场景,还可以应用于独立(Standalone,SA)布网场景。
可选地,本申请实施例中的通信系统可以应用于非授权频谱,其中,非授权频谱也可以认为是共享频谱;或者,本申请实施例中的通信系统也可以应用于授权频谱,其中,授权频谱也可以认为是非共享频谱。
本申请实施例结合网络设备和终端设备描述了各个实施例,其中,终端设备也可以称为用户设备(User Equipment,UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置等。
终端设备可以是WLAN中的站点(STATION,ST),可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字助理(Personal Digital Assistant,PDA)设备、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、下一代通信系统例如NR网络中的终端设备,或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)网络中的终端设备等。
在本申请实施例中,终端设备可以部署在陆地上,包括室内或室外、手持、穿戴或车载;也可以部署在水面上(如轮船等);还可以部署在空中(例如飞机、气球和卫星上等)。
在本申请实施例中,终端设备可以是手机(Mobile Phone)、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(Virtual Reality,VR)终端设备、增强现实(Augmented Reality,AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self driving)中的无线终端设备、远程医疗(remote medical)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备或智慧家庭(smart home)中的无线终端设备等。
作为示例而非限定,在本申请实施例中,该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备,是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称, 如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上,或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备,更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能,例如:智能手表或智能眼镜等,以及只专注于某一类应用功能,需要和其它设备如智能手机配合使用,如各类进行体征监测的智能手环、智能首饰等。
在本申请实施例中,网络设备可以是用于与移动设备通信的设备,网络设备可以是WLAN中的接入点(Access Point,AP),GSM或CDMA中的基站(Base Transceiver Station,BTS),也可以是WCDMA中的基站(NodeB,NB),还可以是LTE中的演进型基站(Evolutional Node B,eNB或eNodeB),或者中继站或接入点,或者车载设备、可穿戴设备以及NR网络中的网络设备或者基站(gNB)或者未来演进的PLMN网络中的网络设备或者NTN网络中的网络设备等。
作为示例而非限定,在本申请实施例中,网络设备可以具有移动特性,例如网络设备可以为移动的设备。可选地,网络设备可以为卫星、气球站。例如,卫星可以为低地球轨道(low earth orbit,LEO)卫星、中地球轨道(medium earth orbit,MEO)卫星、地球同步轨道(geostationary earth orbit,GEO)卫星、高椭圆轨道(High Elliptical Orbit,HEO)卫星等。可选地,网络设备还可以为设置在陆地、水域等位置的基站。
在本申请实施例中,网络设备可以为小区提供服务,终端设备通过该小区使用的传输资源(例如,频域资源,或者说,频谱资源)与网络设备进行通信,该小区可以是网络设备(例如基站)对应的小区,小区可以属于宏基站,也可以属于小小区(Small cell)对应的基站,这里的小小区可以包括:城市小区(Metro cell)、微小区(Micro cell)、微微小区(Pico cell)、毫微微小区(Femto cell)等,这些小小区具有覆盖范围小、发射功率低的特点,适用于提供高速率的数据传输服务。
应理解,本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
本申请的实施方式部分使用的术语仅用于对本申请的具体实施例进行解释,而非旨在限定本申请。本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等是用于区别不同对象,而不是用于描述特定顺序。此外,术语“包括”和“具有”以及它们任何变形,意图在于覆盖不排他的包含。
应理解,在本申请的实施例中提到的“指示”可以是直接指示,也可以是间接指示,还可以是表示具有关联关系。举例说明,A指示B,可以表示A直接指示B,例如B可以通过A获取;也可以表示A间接指示B,例如A指示C,B可以通过C获取;还可以表示A和B之间具有关联关系。
在本申请实施例的描述中,术语“对应”可表示两者之间具有直接对应或间接对应的关系,也可以表示两者之间具有关联关系,也可以是指示与被指示、配置与被配置等关系。
本申请实施例中,“预定义”或“预配置”可以通过在设备(例如,包括终端设备和网络设备)中预先保存相应的代码、表格或其他可用于指示相关信息的方式来实现,本申请对于其具体的实现方式不做限定。比如预定义可以是指协议中定义的。
本申请实施例中,所述“协议”可以指通信领域的标准协议,例如可以包括LTE协议、NR协议以及应用于未来的通信系统中的相关协议,本申请对此不做限定。
在介绍本申请技术方案之前,先对本申请涉及的一些背景技术知识进行介绍说明。以下相关技术作为可选方案与本申请实施例的技术方案可以进行任意结合,其均属于本申请实施例的保护范围。本申请实施例包括以下内容中的至少部分内容。
图1是本申请实施例适用的一种通信系统的示意图。车载终端(车载终端121和车载终端122)的传输资源是由基站110分配的,车载终端根据基站110分配的资源在侧行链路上进行数据的发送。具体地,基站110可以为终端分配单次传输的资源,也可以为终端分配半静态传输的资源。
图2是本申请实施例适用的另一种通信系统的示意图。车载终端(车载终端131和车载终端132)在侧行链路的资源上自主选取传输资源进行数据传输。可选地,车载终端可以随机选取传输资源,或者通过侦听的方式选取传输资源。
LTE D2D/车辆到任何设备(Vehicle to X,V2X):设备到设备通信是基于终端到终端(Device to Device,D2D)的一种侧行链路(Sidelink,SL)传输技术,也称侧行链路通信技术,与传统的蜂窝系统中通信数据通过基站接收或者发送的方式不同,车联网系统采用终端到终端直接通信的方式,因此具有更高的频谱效率以及更低的传输时延。3GPP定义了两种传输模式:模式A和模式B。
模式A:终端设备的传输资源是由接入网设备(如基站)分配的,终端设备根据接入网设备分配 的传输资源在侧行链路上进行通信数据的传输,其中,接入网设备既可以为终端设备分配单次传输的传输资源,也可以为终端设备分配半静态传输的传输资源。
模式B:终端设备自行在资源池中选取传输资源进行通信数据的传输。具体地,终端设备可以通过侦听的方式在资源池中选取传输资源,或者通过随机选取的方式在资源池中选取传输资源。
在3GPP中,D2D分成了不同的阶段进行研究。
基于邻近的服务(Proximity based Service,ProSe):在3GPP第12版和第13版(Rel-12/13)中设备到设备通信,是针对ProSe的场景进行了研究,其主要针对公共安全类的业务。在ProSe中,通过配置资源池在时域上的位置,例如资源池在时域上非连续,达到终端(User Equipment,UE)在SL上非连续发送/接收数据,从而达到省电的效果。
车联网(Vehicle to Everything,V2X):在Rel-14/15中,V2X系统针对车车通信的场景进行了研究,其主要面向相对高速移动的车车、车人通信的业务;在V2X中,由于车载系统具有持续的供电,因此功率效率不是主要问题,而数据传输的时延是主要问题,因此在系统设计上要求终端设备进行连续的发送和接收。
进一步增强的D2D(Further Enhanced Device to Device,FeD2D):在Rel-14中,这个场景对于可穿戴设备通过手机接入网络的场景进行了研究,其主要面向是低移动速度以及低功率接入的场景。在FeD2D中,在预研阶段3GPP结论为基站可以通过一个中继(relay)终端去配置远程(remote)终端的不连续接收(Discontinuous Reception,DRX)参数,但是由于该课题没有进一步进入标准化阶段,如何进行DRX配置的具体细节没有结论。
NR V2X:NR V2X在LTE V2X的基础上,不局限于广播场景,而是进一步拓展到了单播和组播的场景,在这些场景下研究V2X的应用。
类似于LTE V2X,NR V2X也会定义上述模式A(在NR V2X中命名为模式一,Mode-1)和模式B(在NR V2X中命名为模式二,Mode-2)两种资源授权模式;更进一步,用户可能处在一个混合的模式下,即既可以使用Mode-1进行资源的获取,又同时可以使用Mode-2进行资源的获取。该资源获取通过侧行链路授权的方式指示,即侧行链路授权指示相应的物理侧行链路控制信道(Physical Sidelink Control Channel,PSCCH)与物理侧行链路共享信道(Physical Sidelink Shared Channel,PSSCH)资源的时频位置。
不同于LTE V2X,除了无反馈的、UE自主发起的混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)重传,NR V2X引入了基于反馈的HARQ重传,不限于单播通信,也包括组播通信。
LTE-V2X CA:LTE-V2X载波聚合(Carrier Aggregation,CA)中的载波选择由以下机制完成:
上层配置服务类型(service type)到载波的映射关系,即针对某项服务类型,上层指示给接入层(Access Stratum,AS)可用的载波(集合);
进一步地,AS层配置每一个逻辑信道可用的载波集合及每个资源池中针对数据优先级(priority)配置的信道忙时比特率(Channel Busy Ratio,CBR)测量门限值。UE测量资源池中的CBR值并与和所传输数据优先级所对应的CBR门限值相比较,若测量值低于门限值则认为此载波可用。
NR Uu CA:CA是从长期演进技术升级版(LTE-Advanced)标准就开始支持的一种带宽扩展技术,可以将多个成员载波(Component Carrier,CC)聚合在一起,由一个UE同时接收或发送。按照聚合的载波的范围分,CA又可以分为频带内CA(intra-band CA)和跨频带CA(inter-band CA)。Intra-band CA的一个主要用途是用于小区载波带宽大于UE的单个载波带宽能力的场景,这种情况下,UE可以用CA方式来实现在“宽载波”(wide carrier)中的操作。例如基站支持300MHz一个载波,而UE只支持最大100MHz的载波,此时UE可以用CA方式实现大于100MHz的宽带操作,聚合的载波可以是相邻的载波,也可以是不相邻的载波。
当终端和网络通过CA进行通信时,可能会同时配置主小区(Primary Cell,PCell)和辅小区(Secondary Cell,SCell)。在NR R15版本中,针对PCell和辅主小区(Secondary Primary Cell,PSCell)设计了波束失败恢复机制,其主要功能模块(或称为主要步骤)分为4个:
·波束失败检测(Beam Failure Detection,BFD)。
·新波束选择(New Beam Identification,NBI)。
·波束失败恢复请求(Beam Failure Recovery ReQest,BFRQ)。
·网络侧响应。
终端对物理下行控制信道(Physical Downlink Control Channel,PDCCH)进行测量,判断下行发送波束对应的链路质量。如果对应的链路质量很差,则认为下行波束发生波束失败。终端还会对一组备选波束进行测量,从中选择满足一定门限的波束作为新波束。然后终端通过波束失败恢复请求(Beam Failure Recovery reQuest,BFRQ)流程,通知网络发生了波束失败,并且上报新波束。网络 收到一个终端发送的BFRQ信息后,知道所述终端发生了波束失败,选择从新波束上发送PDCCH,终端在新波束上收到网络发送的PDCCH则认为正确接收了网络侧的响应信息。至此,波束失败恢复流程成功完成。
侧行链路信道状态信息报告过程用于为单播通信中的对方UE提供旁侧行链路信道状态信息,从而便于对方UE进行相应的接入层参数调整,包括但不限于功率控制和调制解调方式调整。
对于信道状态信息报告的触发条件,RRC层可以配置一个时延阈值来控制侧行链路信道状态信息报告过程。具体来说,如果侧行链路信道状态信息报告已由对方UE触发,如果本UE在所述时延阈值内成功获取针对对方UE的侧行链路资源授权,则本UE相应的生成针对所述对方UE的信道状态信息报告,并进行发送;否则,可以认为所述侧行链路信道状态信息即使生成,也已经过时了,即无法及时反映本UE和对方UE的信道质量,因此即使获取了针对对方UE的侧行链路资源授权,也会取消信道状态信息报告的发送;同时,如果UE处于网络调度资源选择模式下,如果侧行链路资源授权不能满足时延阈值,则UE能会触发调度请求,以获取侧行链路资源授权。
侧行链路逻辑信道优先级(Logical Channel Prioritization,LCP)处理指的是当生成一个新的MAC PDU(Protocol Data Unit,协议数据单元)时,对于不同的逻辑信道进行优先级排序,确定针对不同的逻辑信道/MAC CE(Medium Access Control Control Element,媒体接入控制控制元素)传输的数据量的传输的过程。
对于NR-V2X所考虑的限制条件如下:
如果当前的资源授权为类型一的配置的资源授权,所述逻辑信道承载的数据允许由类型一的配置的资源授权进行承载;根据所述逻辑信道关联的配置的资源授权列表,所述逻辑信道承载的数据允许由当前配置的资源授权进行承载。
之后,在满足条件的逻辑信道集合内部,需要进一步对最终需要承载的逻辑信道进行选择,并最终决定各个逻辑信道可承载的数据量。这里具体分为两个步骤:
步骤一,对于目标地址的选择:在具有待发送的数据,并且在该目标地址所属的侧链路逻辑信道中,包含当前可选的逻辑信中关联的优先级等级最高的逻辑信道。
步骤二,对于所选的目标地址内部,逻辑信道的选择;在属于所选目标地址中,在满足上述限制条件的逻辑信道内,将资源分配给优先级最高的侧链逻辑信道。
LTE-V2X和NR-V2X都支持网络调度下的数据传输,包括:LTE-V2X下的模式1和模式3、NR-V2X下的模式1。当UE工作在上述模式下时,用于侧行链路数据传输的资源授权来自于网络,即网络下发资源授权给发送UE,发送UE使用该资源首选进行侧行链路发送。类似于Uu接口的上行传输,由于网络侧不知道UE侧当前的数据缓存状态,需要UE向网络报告UE当前的数据缓存状态,从而触发网络下发资源授权。简单来说,UE向基站发送调度请求(Scheduling Request,SR)或随机接入,然后发送侧行链路缓冲区状态报告(Buffer Status Report,BSR)。基于侧行链路BSR,基站可以确定UE具有用于侧行链路通信的待传输的数据,并且估计传输所述数据所需的资源。基站可以使用配置的用于侧行链路的RNTI来调度用于侧行链路通信的传输资源。
针对侧行链路BSR的不同字段的定义如下:
目标地址标识:“目标索引”字段用于标识侧行链路通信的目标地址。UE将该值设置为在SidelinkUEInformation消息中上报的目标地址列表中相关目标地址的索引。如果UE在SidelinkUEInformation消息报告了多个目标地址列表,UE按序对多个目标地址列表进行串行排列,从而对相应的目标地址进行索引。具体来说,由于LTE-V2X中的SidelinkUEInformation消息针对不同的频率分别定义目标地址列表,因此对于某一个目标地址,当它可以使用于多于一个频率时,会出现一个目标地址对应于多个目标索引的情况,因此会导致一些目标索引冗余的情况,该问题没有在LTE-V2X中解决。在NR-V2X中,针对该问题对SidelinkUEInformation消息的信令结构进行了修改,即频率列表放在不同目标地址结构体之中,从而避免了该问题。
逻辑信道组标识:该字段标识正在报告UE缓冲区状态的逻辑通道组。这里逻辑信道组标识用于指示与待传输数据相关的优先级信息(PPPP)和可靠性信息(PPPR)。具体来说,UE经由侧行链路BSR报告与一个或多个PPPP和/或PPPR值相关联的数据量。PPPP以及PPPR值到逻辑信道组的映射可以由基站配置,并且PPPP值和PPPR值由侧行链路BSR中包含的逻辑信道组ID反映。;
缓存大小:与上行链路BSR的定义类似,该字段定义在为生成MAC PDU之后,相关LCG的所有逻辑通道的数据总量,包括所有可用于RLC层和PDCP层中传输的数据(不考虑RLC和MAC报文头的大小)。
对于NR-V2X,侧行链路BSR的格式定义类似,不同之处在于:目标地址标识从4比特扩展到了5比特,逻辑信道组标识从2比特扩展到了3比特,缓存大小从6比特扩展到了8比特。因此,针 对一个目标地址下的一个逻辑信道组,需要占用2字节,所以不需要针对偶数项个数和奇数项个数分别定义侧行链路BSR格式。对于侧行链路BSR的触发,除了如下类似上行链路BSR的触发条件:
新的待传输数据出现在RLC实体或PDCP实体中(如果已有其他待传输数据,该新数据优先级比同一目标地址的任何逻辑信道组待传输数据的优先级更高,或同意目标地址目前还没有其他待传输数据);
在为数据分配完资源授权的空间,并且触发针对上行信道的填充BSR之后剩余比特数等于或大于侧行链路BSR的大小(包含至少一个目标地址的至少一个逻辑信道组的缓冲区信息);
侧行链路BSR重传定时器到期,并且MAC实体具有可用于侧行链路传输的数据;
侧行链路BSR周期性定时器到期。
在LTE-V2X中,侧行链路和上行链路使用相同的SR资源,而不做区分。因此,网络侧无法从接收到的SR资源中区分请求资源的时侧行链路还是上行链路。
在NR-V2X中,侧行链路SR资源的使用得到了进一步优化:
首先,网络可以配置UE针对上行链路和侧行链路分别使用不同的SR资源,即解决了LTE-V2X中侧行链路和上行链路使用混合的SR资源的问题;
其次,为了更进一步,在侧行链路内部进一步区分不同的业务,网络可以针对侧行链路的不同逻辑信道,配置UE分别使用不同的SR资源,这样网络不仅可以通过SR资源获知是侧行链路触发了资源请求,并且能够通过SR资源获知是侧行链路的哪个逻辑信道触发了资源请求;
再次,由于NR-V2X中引入的侧行链路CSI报告是通过侧行链路MAC CE进行传输,其传输也需要获得相应的侧行链路资源。因此,NR-V2X也定义了侧行链路CSI报告触发SR的相关过程和相应的SR取消条件。具体来说,当侧行链路资源授权的大小可以容纳已触发但是尚未取消的侧行链路CSI报告,则针对相关目标地址的侧行链路CSI报告所触发的SR将被取消,并且相关的SR定时器应该停止。
在NR V2X中,当前仅支持单载波及单载波下的CSI报告机制,在引入多载波机制后,CSI报告机制需进行相应的增强,在发送CSI报告的UE侧,需要考虑在特定载波上发送CSI报告
为便于理解本申请实施例的技术方案,以下通过具体实施例详述本申请的技术方案。以上相关技术作为可选方案与本申请实施例的技术方案可以进行任意结合,其均属于本申请实施例的保护范围。本申请实施例包括以下内容中的至少部分内容。
图3示出了本申请一个示例性实施例提供的无线通信的方法的流程图。该方法由第一终端执行。该方法包括如下内容:
S310,接收第一指示信息,所述第一指示信息用于指示第一终端发送第一信道状态信息CSI报告;
S320,确定第一载波,所述第一载波用于发送所述第一CSI报告。
在一些实施例中,所述方法还包括:在所述第一载波上发送所述第一CSI报告。
在一些实施例中,第一指示信息为CSI请求信息。第一终端接收第二终端发送的CSI请求信息,进而确定第一载波,然后在第一载波上向第二终端发送第一CSI报告。
在一些实施例中,第一终端收到第一指示信息的时间为以下之一:若第一指示信息为物理层信息,则为物理层告知MAC层该第一指示信息时;若第一指示信息为MAC层信息,则为解码MAC层信息时;若为RRC层信息,则为RRC层指示MAC层该第一指示信息时。
在一些实施例中,具有多个可用于传输数据的载波,第一终端在接收第一指示信息之后,需要进行载波选择,进而确定第一载波,从而在第一载波上发送第一CSI报告。
在一些实施例中,所述第一载波为以下至少之一:网络配置的载波、第二终端配置的载波、协议规定的载波、终端双方协商的载波、默认的载波、接收所述第一指示信息的载波、接收CSI信号的载波。
例如,第一载波为接收所述第一指示信息的载波,第一终端在接收到第一指示信息之后,就在接收该第一指示信息的载波上发送第一CSI报告。
再例如,第一载波为终端双方协商的载波,即,第一载波为第一终端与第二终端协商的载波,当接收到第二终端发送的第一指示信息之后,第一终端在该协商的载波上向第二终端发送第一CSI报告。
这里需要说明的是,第一载波可以是一个或者多个,第一终端可以在一个载波上发送CSI报告,也可以同时在多个载波上发送CSI报告。
在一些实施例中,所述方法还包括执行逻辑信道优先级LCP过程。具体来说,在所述第一载波为第二载波的情况下,选择所述第一CSI报告对应的目标地址,和/或所述目标地址关联的逻辑信道,和/或第一CSI报告媒体接入控制控制元素MAC CE;在所述第一载波不是第二载波的情况下,不选 择所述第一CSI报告对应的目标地址,或:选择所述第一CSI报告对应的目标地址和/或所述目标地址关联的逻辑信道,不选择所述第一CSI报告MAC CE;其中,所述第二载波为当前可用资源所在的载波。
在一些实施例中,在选择所述第一CSI报告对应的目标地址,和所述目标地址关联的逻辑信道,和所述第一CSI报告MAC CE的情况下,在所述第一载波上发送所述第一CSI报告。
例如,第一载波为当前可用资源所在的载波,也即第一载波当前存在可用于传输数据的资源,且该资源可用于传输第一CSI报告,则第一终端可以选择未发送的所述第一CSI报告对应的目标地址和所述目标地址关联的逻辑信道,以及所述第一CSI报告MAC CE,且可以在第一载波上发送所述第一CSI报告。此情况下,LCP过程成功组装承载该CSI报告。
在一些实施例中,确定第一载波包括:根据CSI配置信息,在多个载波中确定所述第一载波,其中,所述CSI配置信息为协议规定的,或网络设备确定的,或终端设备确定的,或预配置的。
例如,CSI配置信息可以是第一终端(接收CSI请求的UE)确定的。
再例如,CSI配置信息可以是第二终端(发送CSI请求的UE)确定的。
在一些实施例中,所述方法还包括:接收第一配置信息,所述第一配置信息用于指示所述CSI配置信息。
在一些实施例中,所述方法还包括:向所述网络设备发送第二配置信息,所述第二配置信息用于指示所述CSI配置信息。
可选的,所述第一终端通过RRC信令向所述网络设备发送所述第二配置信息。
在一些实施例中,所述CSI配置信息包括以下至少一项:发送参考信号的载波配置、CSI报告请求信息的载波配置、CSI报告测量的载波配置、CSI报告发送的载波配置、时延定时器值、参考信号的时频域位置及天线配置。
例如,第一终端根据CSI配置信息中的CSI报告发送的载波配置,在多个载波中确定所述第一载波。
在一些实施例中,第一终端接收第二终端发送的CSI配置信息,然后将该CSI配置信息通过RRC信令报告给网络设备。
在一些实施例中,所述方法还包括确定第一资源,所述第一资源用于发送所述第一CSI报告。
在一些实施例中,所述第一资源为所述第一载波上的资源,所述第一资源用于发送所述第一CSI报告。第一终端设备在第一载波上,采用第一资源发送第一CSI报告。
在一些实施例中,确定第一资源包括:在所述第一载波上触发资源选择,确定所述第一资源。
在一些实施例中,若所述第一载波上存在可用资源,则将所述可用资源确定为第一资源。
例如,在模式2(终端设备自行在资源池中选取传输资源进行通信数据的传输)下,第一终端在接收到第二终端发送的第一指示信息后,进行载波选择,确定第一载波,然后在第一载波上触发资源选择,确定第一资源,从而采用第一资源,在第一载波上向第二终端发送所述第一CSI报告。
在另一些实施例中,确定第一资源包括:若在第一定时器超时前,所述第一载波上存在可用资源,将所述可用资源确定为所述第一资源;若在第一定时器超时前,所述第一载波上无可用资源,则向网络设备发送第一调度请求SR和/或第一缓冲区状态报告BSR,以请求第一资源。
在一些实施例中,所述方法还包括:接收所述网络设备发送的第二指示信息,所述第二指示信息用于指示所述第一资源。
可选地,第一BSR包括目标地址标识信息和/或逻辑信道标识信息。
可选地,第一定时器为时延需求定时器。
例如,在模式1(终端设备的传输资源是由接入网设备分配的,终端设备根据接入网设备分配的传输资源在侧行链路上进行通信数据的传输)下,第一终端在接收到第二终端发送的第一指示信息后,开启时延需求定时器,若在时延需求定时器超时前在第一载波上存在可用资源,则利用所述可用资源,在第一载波上发送所述第一CSI报告;若在时延需求定时器超时前在第一载波上不存在可用资源,则第一终端触发BSR过程,向网络设备申请发送所述第一CSI报告的资源,具体的,第一终端向网络设备发送第一BSR,网络设备通过BSR中的目标地址标识信息(目标地址编号)和逻辑信道标识信息(逻辑信道组编号)指示所需发送所述第一CSI报告的资源(该资源所在的载波即为发送第一CSI报告的载波)。
在一些实施例中,向网络设备发送第一SR包括:根据与所述第一CSI报告对应的第一SR配置,发送所述第一SR,其中,所述第一SR配置为网络配置的,或协议规定的,或默认的。
在一些实施例中,不同的SR配置对应不同的侧行链路载波和/或不同的CSI报告,网络设备可以根据该SR配置,确定传输所述第一CSI报告的载波及资源,然后向第一终端指示该资源。
在另一些实施例中,SR配置仅有一个,网络设备根据CSI配置(CSI配置信息)及对应的目标地址判断传输所述第一CSI报告的载波及资源,然后向第一终端指示该资源。
例如,在模式1(终端设备的传输资源是由接入网设备分配的,终端设备根据接入网设备分配的传输资源在侧行链路上进行通信数据的传输)下,第一终端在接收到第二终端发送的第一指示信息后,开启时延需求定时器,若在时延需求定时器超时前在第一载波上存在可用资源,则利用所述可用资源,在第一载波上发送所述第一CSI报告;若在时延需求定时器超时前在第一载波上不存在可用资源,则第一终端触发SR过程,向网络设备申请发送所述第一CSI报告的资源。具体的,第一终端向网络设备发送第一SR,网络设备通过所述第一SR,指示所需发送所述第一CSI报告的资源。
图4示出了本申请一个示例性实施例提供的无线通信的方法的流程图。该方法包括如下至少部分内容:
S410,第二终端向第一终端发送第一指示信息,所述第一指示信息用于指示所述第一终端发送第一CSI报告;
S420,第一终端进行载波选择,确定第一载波;
S430,第一终端在所述第一载波上进行资源选择,确定第一资源;
S440,第一终端在所述第一载波上利用所述第一资源,向所述第二终端发送所述第一CSI报告。
在一些实施例中,第一指示信息为CSI请求信息。第一终端接收第二终端发送的CSI请求信息,进而确定第一载波,然后在第一载波上向第二终端发送第一CSI报告。
在一些实施例中,第二终端设备在第一载波上接收所述第一CSI报告。
在一些实施例中,第一终端收到第一指示信息的时间为以下之一:若第一指示信息为物理层信息,则为物理层告知MAC层该第一指示信息时;若第一指示信息为MAC层信息,则为解码MAC层信息时;若为RRC层信息,则为RRC层指示MAC层该第一指示信息时。
在一些实施例中,所述第一载波为以下至少之一:网络配置的载波、第二终端配置的载波、协议规定的载波、终端双方协商的载波、默认的载波、接收所述第一指示信息的载波、接收CSI信号的载波。
在一些实施例中,所述方法还包括执行逻辑信道优先级LCP过程。具体来说,在所述第一载波为第二载波的情况下,选择所述第一CSI报告对应的目标地址,和/或所述目标地址关联的逻辑信道,和/或第一CSI报告媒体接入控制控制元素MAC CE;在所述第一载波不是第二载波的情况下,不选择所述第一CSI报告对应的目标地址,或:选择所述第一CSI报告对应的目标地址和/或所述目标地址关联的逻辑信道,不选择所述第一CSI报告MAC CE;其中,所述第二载波为当前可用资源所在的载波。
例如,在所述第一载波为当前可用资源所在的载波的情况下,选择所述第一CSI报告对应的目标地址,和所述目标地址关联的逻辑信道,和所述第一CSI报告MAC CE,从而在所述第一载波上发送所述第一CSI报告。
在一些实施例中,确定第一资源包括:在所述第一载波上触发资源选择,确定所述第一资源。
在一些实施例中,若所述第一载波上存在可用资源,则将所述可用资源确定为第一资源。
例如,在模式2(终端设备自行在资源池中选取传输资源进行通信数据的传输)下,第一终端在接收到第二终端发送的第一指示信息后,进行载波选择,确定第一载波,然后在第一载波上触发资源选择,确定第一资源,从而采用第一资源,在第一载波上向第二终端发送所述第一CSI报告。
图5出了本申请另一个示例性实施例提供的无线通信的方法的流程图。该方法包括如下至少部分内容:
S530,第二终端向第一终端发送第一指示信息,所述第一指示信息用于指示所述第一终端发送第一CSI报告;
S540,第一终端向网络设备发送第一调度请求SR和/或第一缓冲区状态报告BSR,以请求第一资源,所述第一资源用于所述第一终端发送第一CSI报告;
S550,网络设备向第一终端发送第二指示信息,所述第二指示信息用于指示所述第一资源;
S560,第一终端向第二终端发送所述第一CSI报告。
在一些实施例中,S530之前还包括:
S511,第二终端向第一终端发送第一配置信息,所述第一配置信息用于指示CSI配置信息;
S512,第一终端向网络设备发送第二配置信息,所述第二配置信息用于指示所述CSI配置信息。
例如,第一终端接收第二终端发送的CSI配置信息,然后将该CSI配置信息通过RRC信令报告给网络设备。
在另一些实施例中,S530之前还包括:
S521,第一终端接收网络设备发送的第一配置信息,所述第一配置信息用于指示CSI配置信息;
S522,第一终端向第二终端发送第二配置信息,所述第二配置信息用于指示所述CSI配置信息。
例如,第一终端接收网络设备发送的CSI配置信息,然后将该CSI配置信息发送给第二终端。
在一些实施例中,所述CSI配置信息包括以下至少一项:发送参考信号的载波配置、CSI报告请求信息的载波配置、CSI报告测量的载波配置、CSI报告发送的载波配置、时延定时器值、参考信号的时频域位置及天线配置。
在一些实施例中,第一终端在接收到第二终端发送的第一指示信息后,开启时延需求定时器,若在第一定时器超时前,所述第一载波上无可用资源,则向网络设备发送第一调度请求SR和/或第一缓冲区状态报告BSR,以请求第一资源;
可选地,第一BSR包括目标地址标识信息和/或逻辑信道标识信息。
可选地,第一定时器为时延需求定时器。
在一些实施例中,在模式1(终端设备的传输资源是由接入网设备分配的,终端设备根据接入网设备分配的传输资源在侧行链路上进行通信数据的传输)下,第一终端在接收到第二终端发送的第一指示信息后,开启时延需求定时器,若在时延需求定时器超时前在第一载波上存在可用资源,则利用所述可用资源,在第一载波上发送所述第一CSI报告;若在时延需求定时器超时前在第一载波上不存在可用资源,则第一终端触发BSR过程,向网络设备申请发送所述第一CSI报告的资源,具体的,第一终端向网络设备发送第一BSR,网络设备通过BSR中的目标地址标识信息(目标地址编号)和逻辑信道标识信息(逻辑信道组编号)指示所需发送所述第一CSI报告的资源。
在一些实施例中,向网络设备发送第一SR包括:根据与所述第一CSI报告对应的第一SR配置,发送所述第一SR。
在一些实施例中,网络设备基于所述第一SR配置及第一对应关系,确定第一资源,其中,所述第一对应关系为SR配置与侧行链路载波的对应关系。
可选的,不同的SR配置对应不同的侧行链路载波,网络设备可以根据该SR配置,确定传输所述第一CSI报告的载波及资源,然后向第一终端指示该资源。
在一些实施例中,SR配置为网络配置的,或协议规定的,或默认的。
在另一些实施例中,SR配置仅有一个,网络设备根据CSI配置(CSI配置信息)及对应的目标地址判断传输所述第一CSI报告的载波及资源,然后向第一终端指示该资源。
例如,在模式1(终端设备的传输资源是由接入网设备分配的,终端设备根据接入网设备分配的传输资源在侧行链路上进行通信数据的传输)下,第一终端在接收到第二终端发送的第一指示信息后,开启时延需求定时器,若在时延需求定时器超时前在第一载波上存在可用资源,则利用所述可用资源,在第一载波上发送所述第一CSI报告;若在时延需求定时器超时前在第一载波上不存在可用资源,则第一终端触发SR过程,向网络设备申请发送所述第一CSI报告的资源。具体的,第一终端向网络设备发送第一SR,网络设备通过所述第一SR,指示所需发送所述第一CSI报告的资源。
上文结合图3至图5,详细描述了本申请的方法实施例,下文结合图6至图8,详细描述本申请的装置实施例,应理解,装置实施例与方法实施例相互对应,类似的描述可以参照方法实施例。
图6示出了根据本申请实施例的第一终端600的示意性框图。如图6所示,该第一终端600包括:
第一通信单元610,用于接收第一指示信息,所述第一指示信息用于指示所述第一终端发送第一信道状态信息CSI报告;
第一处理单元620,用于确定第一载波,所述第一载波用于发送所述第一CSI报告。
在一些实施例中,所述第一载波为以下至少之一:网络配置的载波、第二终端配置的载波、协议规定的载波、终端双方协商的载波、默认的载波、接收所述第一指示信息的载波、接收CSI信号的载波。
在一些实施例中,所述第一通信单元还用于:在所述第一载波上发送所述第一CSI报告。
在一些实施例中,所述第一处理单元还用于执行逻辑信道优先级LCP过程。
在一些实施例中,所述LCP过程包括:
在所述第一载波为第二载波的情况下,选择所述第一CSI报告对应的目标地址,和/或所述目标地址关联的逻辑信道,和/或第一CSI报告媒体接入控制控制元素MAC CE;
在所述第一载波不是第二载波的情况下,不选择所述第一CSI报告对应的目标地址,或:
选择所述第一CSI报告对应的目标地址,和/或所述目标地址关联的逻辑信道,不选择所述第一CSI报告MAC CE;
其中,所述第二载波为当前可用资源所在的载波。
在一些实施例中,所述第一通信单元还用于:在选择所述第一CSI报告对应的目标地址,和所述目标地址关联的逻辑信道,和所述第一CSI报告MAC CE的情况下,在所述第一载波上发送所述第一CSI报告。
在一些实施例中,所述确定第一载波包括:确定第一资源,所述第一资源为所述第一载波上的资源,所述第一资源用于发送所述第一CSI报告;
在一些实施例中,所述确定第一资源包括:在所述第一载波上触发资源选择,确定所述第一资源。
在一些实施例中,所述确定第一资源包括:若在第一定时器超时前,所述第一载波上存在可用资源,将所述可用资源确定为所述第一资源;若在第一定时器超时前,所述第一载波上无可用资源,则向网络设备发送第一调度请求SR和/或第一缓冲区状态报告BSR,以请求第一资源。在一些实施例中,所述第一BSR包括目标地址标识信息和/或逻辑信道标识信息。
在一些实施例中,所述向网络设备发送第一SR包括:根据与所述第一CSI报告对应的第一SR配置,发送所述第一SR,其中,所述第一SR配置为网络配置的,或协议规定的,或默认的。
在一些实施例中,所述第一处理单元还用于:接收所述网络设备发送的第二指示信息,所述第二指示信息用于指示所述第一资源。
在一些实施例中,所述确定第一载波包括:根据CSI配置信息,在多个载波中确定所述第一载波,其中,所述CSI配置信息为协议规定的,或网络设备确定的,或终端设备确定的,或预配置的。
在一些实施例中,所述第一通信单元还用于:接收第一配置信息,所述第一配置信息用于指示所述CSI配置信息。
在一些实施例中,所述第一通信单元还用于:向所述网络设备发送第二配置信息,所述第二配置信息用于指示所述CSI配置信息。
可选的,所述第一终端通过RRC信令向所述网络设备发送所述第二配置信息。
在一些实施例中,所述CSI配置信息包括以下至少一项:发送参考信号的载波配置、CSI报告请求信息的载波配置、CSI报告测量的载波配置、CSI报告发送的载波配置、时延定时器值、参考信号的时频域位置及天线配置。
图7示出了根据本申请实施例的第二终端700的示意性框图。如图7所示,该第二终端700包括:
第二通信单元710,用于发送第一指示信息,所述第一指示信息用于指示第一终端发送第一CSI报告。
第二处理单元720,用于确定第一载波,所述第一载波用于接收所述第一CSI报告。
在一些实施例中,所述第二通信单元还用于:发送第一配置信息,所述第一配置信息用于指示CSI配置信息。
在一些实施例中,所述CSI配置信息包括以下至少一项:发送参考信号的载波配置、CSI报告请求信息的载波配置、CSI报告测量的载波配置、CSI报告发送的载波配置、时延定时器值、参考信号的时频域位置及天线配置。
在一些实施例中,所述第二通信单元还用于:在所述第一载波上,接收所述第一终端设备发送的所述第一CSI报告。
图8示出了根据本申请实施例的网络设备800的示意性框图。如图8所示,该网络设备800包括:
通信单元810,用于接收第一终端发送的第一调度请求SR和/或第一缓冲区状态报告BSR;
处理单元820,用于根据所述第一SR和/或所述第一BSR,确定第一资源,所述第一资源用于所述第一终端发送第一CSI报告。
在一些实施例中,所述第一BSR包括目标地址标识信息和/或逻辑信道标识信息。
在一些实施例中,所述确定第一资源包括:根据所述目标地址标识信息和逻辑信道标识信息,确定所述第一资源。
在一些实施例中,所述确定所述第一资源包括:根据所述第一SR及CSI配置信息,确定所述第一资源,其中,所述CSI配置信息为协议规定的,或所述网络设备确定的,或预配置的,或第二终端确定的。
在一些实施例中,所述确定所述第一资源包括:根据所述第一SR确定第一SR配置,基于所述第一SR配置确定所述第一资源,所述第一SR配置为网络配置的,或协议规定的,或默认的。
在一些实施例中,所述基于所述第一SR配置确定所述第一资源包括:基于所述第一SR配置及第一对应关系,确定所述第一资源,其中,所述第一对应关系为SR配置与侧行链路载波的对应关系。
在一些实施例中,所述通信单元还用于:向所述第一终端发送第二指示信息,所述第二指示信息用于指示所述第一资源。
在一些实施例中,所述通信单元还用于:接收第二配置信息,所述第二配置信息用于指示所述CSI配置信息。
图9是本申请实施例提供的一种通信设备900示意性结构图。图9所示的通信设备900包括处理器910,处理器910可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
在一些实施例中,如图9所示,通信设备900还可以包括存储器920。其中,处理器910可以从存储器920中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器920可以是独立于处理器910的一个单独的器件,也可以集成在处理器910中。
在一些实施例中,如图9所示,通信设备900还可以包括收发器930,处理器910可以控制该收发器930与其他设备进行通信,具体地,可以向其他设备发送信息或数据,或接收其他设备发送的信息或数据。
其中,收发器930可以包括发射机和接收机。收发器930还可以进一步包括天线,天线的数量可以为一个或多个。
在一些实施例中,该通信设备900具体可为本申请实施例的网络设备,并且该通信设备900可以实现本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
在一些实施例中,该通信设备900具体可为本申请实施例的终端设备,并且该通信设备900可以实现本申请实施例的各个方法中由终端设备实现的相应流程,为了简洁,在此不再赘述。
图10是本申请实施例的芯片的示意性结构图。图10所示的芯片1000包括处理器1010,处理器1010可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
可选地,如图10所示,芯片1000还可以包括存储器1020。其中,处理器1010可以从存储器1020中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器1020可以是独立于处理器1010的一个单独的器件,也可以集成在处理器1010中。
可选地,该芯片1000还可以包括输入接口1030。其中,处理器1010可以控制该输入接口1030与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
可选地,该芯片1000还可以包括输出接口1040。其中,处理器1010可以控制该输出接口1040与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
可选地,该芯片可应用于本申请实施例中的第一设备,并且该芯片可以实现本申请实施例的各个方法中由第一设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该芯片可应用于本申请实施例中的第一终端,并且该芯片可以实现本申请实施例的各个方法中由第一终端实现的相应流程,为了简洁,在此不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
图11是本申请实施例提供的一种通信系统1100的示意性框图。如图11所示,该通信系统1100包括终端设备1110和网络设备1120。
其中,该终端设备1110可以用于实现上述方法中由终端设备实现的相应的功能,以及该网络设备1120可以用于实现上述方法中由网络设备实现的相应的功能,为了简洁,在此不再赘述。
应理解,本申请实施例的处理器可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。
可以理解,本申请实施例中的存储器可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明, 许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)。应注意,本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解,上述存储器为示例性但不是限制性说明,例如,本申请实施例中的存储器还可以是静态随机存取存储器(static RAM,SRAM)、动态随机存取存储器(dynamic RAM,DRAM)、同步动态随机存取存储器(synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(synch link DRAM,SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)等等。也就是说,本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质,用于存储计算机程序。
可选的,该计算机可读存储介质可应用于本申请实施例中的第一设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由第一设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机可读存储介质可应用于本申请实施例中的第一终端,并且该计算机程序使得计算机执行本申请实施例的各个方法中由第一终端实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序产品,包括计算机程序指令。
可选的,该计算机程序产品可应用于本申请实施例中的第一设备,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由第一设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机程序产品可应用于本申请实施例中的第一终端,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由第一终端实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的,该计算机程序可应用于本申请实施例中的第一设备,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由第一设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机程序可应用于本申请实施例中的第一终端,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由第一终端实现的相应流程,为了简洁,在此不再赘述。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领 域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应以权利要求的保护范围为准。

Claims (63)

  1. 一种无线通信的方法,应用于第一终端,其特征在于,包括:
    接收第一指示信息,所述第一指示信息用于指示所述第一终端发送第一信道状态信息CSI报告;
    确定第一载波,所述第一载波用于发送所述第一CSI报告。
  2. 根据权利要求1所述的方法,其特征在于,所述第一载波为以下至少之一:
    网络配置的载波、第二终端配置的载波、协议规定的载波、终端双方协商的载波、默认的载波、接收所述第一指示信息的载波、接收CSI信号的载波。
  3. 根据权利要求1-2中任一项所述的方法,其特征在于,所述方法还包括:
    确定第一资源,所述第一资源用于发送所述第一CSI报告。
  4. 根据权利要求3所述的方法,其特征在于,所述确定第一资源包括:
    若所述第一载波上存在可用资源,则将所述可用资源确定为第一资源。
  5. 根据权利要求3所述的方法,其特征在于,所述确定第一资源包括:
    若在第一定时器超时前,所述第一载波上无可用资源,则向网络设备发送第一调度请求SR和/或第一缓冲区状态报告BSR,以请求第一资源。
  6. 根据权利要求5所述的方法,其特征在于,所述第一BSR包括目标地址标识信息和/或逻辑信道标识信息。
  7. 根据权利要求5所述的方法,其特征在于,所述向网络设备发送第一SR包括:
    根据与所述第一CSI报告对应的第一SR配置,发送所述第一SR。
  8. 根据权利要求5-7中任一项所述的方法,其特征在于,所述方法还包括:
    接收所述网络设备发送的第二指示信息,所述第二指示信息用于指示所述第一资源。
  9. 根据权利要求1-8中任一项所述的方法,其特征在于,所述确定第一载波包括:
    根据CSI配置信息,在多个载波中确定所述第一载波,其中,所述CSI配置信息为协议规定的,或网络设备确定的,或终端设备确定的,或预配置的。
  10. 根据权利要求9所述的方法,其特征在于,所述方法还包括:
    接收第一配置信息,所述第一配置信息用于指示所述CSI配置信息。
  11. 根据权利要求10所述的方法,其特征在于,所述方法还包括:
    向所述网络设备发送第二配置信息,所述第二配置信息用于指示所述CSI配置信息。
  12. 根据权利要求11所述的方法,其特征在于,所述第一终端通过无线资源控制RRC信令向所述网络设备发送所述第二配置信息。
  13. 根据权利要求9-12中任一项所述的方法,其特征在于,所述CSI配置信息包括以下至少一项:
    发送参考信号的载波配置、CSI报告请求信息的载波配置、CSI报告测量的载波配置、CSI报告发送的载波配置、时延定时器值、参考信号的时频域位置及天线配置。
  14. 根据权利要求1-13中任一项所述的方法,其特征在于,所述方法还包括:
    在所述第一载波上发送所述第一CSI报告。
  15. 根据权利要求1-14中任一项所述的方法,其特征在于,所述方法还包括执行逻辑信道优先级LCP过程,所述LCP过程包括:
    在所述第一载波为当前可用资源所在的载波的情况下,选择所述第一CSI报告对应的目标地址,和/或所述目标地址关联的逻辑信道,和/或第一CSI报告媒体接入控制控制元素MAC CE。
  16. 根据权利要求15所述的方法,其特征在于,在选择所述第一CSI报告对应的目标地址,和所述目标地址关联的逻辑信道,和所述第一CSI报告MAC CE的情况下,在所述第一载波上发送所述第一CSI报告。
  17. 一种无线通信的方法,应用于第二终端,其特征在于,包括:
    发送第一指示信息,所述第一指示信息用于指示第一终端发送第一CSI报告。
  18. 根据权利要求17所述的方法,其特征在于,所述方法还包括:
    确定第一载波,所述第一载波用于接收所述第一CSI报告。
  19. 根据权利要求17-18中任一项所述的方法,其特征在于,所述方法还包括:
    发送第一配置信息,所述第一配置信息用于指示CSI配置信息,所述CSI配置信息包括以下至少一项:
    发送参考信号的载波配置、CSI报告请求信息的载波配置、CSI报告测量的载波配置、CSI报告发送的载波配置、时延定时器值、参考信号的时频域位置及天线配置。
  20. 根据权利要求17-19任一项所述的方法,其特征在于,所述方法还包括:
    接收所述第一终端设备发送的所述第一CSI报告。
  21. 一种无线通信的方法,应用于网络设备,其特征在于,包括:
    接收第一终端发送的第一SR和/或第一BSR;
    根据所述第一SR和/或所述第一BSR,确定第一资源,所述第一资源用于所述第一终端发送第一CSI报告。
  22. 根据权利要求21所述的方法,其特征在于,所述第一BSR包括目标地址标识信息和/或逻辑信道标识信息。
  23. 根据权利要求22所述的方法,其特征在于,所述确定第一资源包括:
    根据所述目标地址标识信息和逻辑信道标识信息,确定所述第一资源。
  24. 根据权利要求21所述的方法,其特征在于,所述确定第一资源包括:
    根据所述第一SR及CSI配置信息,确定所述第一资源,其中,所述CSI配置信息为协议规定的,或所述网络设备确定的,或预配置的,或终端确定的。
  25. 根据权利要求21所述的方法,其特征在于,所述确定第一资源包括:
    根据所述第一SR,确定与所述第一CSI报告对应的第一SR配置,基于所述第一SR配置确定所述第一资源。
  26. 根据权利要求25所述的方法,其特征在于,所述基于所述第一SR配置确定所述第一资源包括:
    基于所述第一SR配置及第一对应关系,确定所述第一资源,其中,所述第一对应关系为SR配置与侧行链路载波的对应关系,所述SR配置为网络配置的,或协议规定的,或默认的。
  27. 根据权利要求24所述的方法,其特征在于,所述方法还包括:
    接收第二配置信息,所述第二配置信息用于指示所述CSI配置信息。
  28. 根据权利要求21-27中任一项所述的方法,其特征在于,所述方法还包括:
    向所述第一终端发送第二指示信息,所述第二指示信息用于指示所述第一资源。
  29. 一种第一终端设备,其特征在于,包括:
    第一通信单元,用于接收第一指示信息,所述第一指示信息用于指示所述第一终端发送第一CSI报告;
    第一处理单元,用于确定第一载波,所述第一载波用于发送所述第一CSI报告。
  30. 根据权利要求29所述的第一终端设备,其特征在于,所述第一载波为以下至少之一:
    网络配置的载波、第二终端配置的载波、协议规定的载波、终端双方协商的载波、默认的载波、接收所述第一指示信息的载波、接收CSI信号的载波。
  31. 根据权利要求29-30中任一项所述的第一终端设备,其特征在于,所述第一处理单元还用于:
    确定第一资源,所述第一资源用于发送所述第一CSI报告。
  32. 根据权利要求31所述的第一终端设备,其特征在于,所述确定第一资源包括:
    若所述第一载波上存在可用资源,则将所述可用资源确定为第一资源。
  33. 根据权利要求31所述的第一终端设备,其特征在于,所述确定第一资源包括:
    若在第一定时器超时前,所述第一载波上无可用资源,则向网络设备发送第一调度请求SR和/或第一缓冲区状态报告BSR,以请求第一资源。
  34. 根据权利要求33所述的第一终端设备,其特征在于,所述第一BSR包括目标地址标识信息和/或逻辑信道标识信息。
  35. 根据权利要求33所述的第一终端设备,其特征在于,所述向网络设备发送第一SR包括:
    根据与所述第一CSI报告对应的第一SR配置,发送所述第一SR。
  36. 根据权利要求33-35中任一项所述的第一终端设备,其特征在于,所述第一通信单元还用于:
    接收所述网络设备发送的第二指示信息,所述第二指示信息用于指示所述第一资源。
  37. 根据权利要求29-36中任一项所述的第一终端设备,其特征在于,所述确定第一载波包括:
    根据CSI配置信息,在多个载波中确定所述第一载波,其中,所述CSI配置信息为协议规定的,或网络设备确定的,或终端设备确定的,或预配置的。
  38. 根据权利要求37所述的第一终端设备,其特征在于,所述第一通信单元还用于:
    接收第一配置信息,所述第一配置信息用于指示所述CSI配置信息。
  39. 根据权利要求38所述的第一终端设备,其特征在于,所述第一通信单元还用于:
    向所述网络设备发送第二配置信息,所述第二配置信息用于指示所述CSI配置信息。
  40. 根据权利要求39所述的第一终端设备,其特征在于,所述第一终端通过无线资源控制RRC信令向所述网络设备发送所述第二配置信息。
  41. 根据权利要求37-40中任一项所述的第一终端设备,其特征在于,所述CSI配置信息包括以下至少一项:
    发送参考信号的载波配置、CSI报告请求信息的载波配置、CSI报告测量的载波配置、CSI报告发送的载波配置、时延定时器值、参考信号的时频域位置及天线配置。
  42. 根据权利要求29-41中任一项所述的第一终端设备,其特征在于,所述第一通信单元还用于:
    在所述第一载波上发送所述第一CSI报告。
  43. 根据权利要求29-42中任一项所述的第一终端设备,其特征在于,所述第一处理单元还用于执行逻辑信道优先级LCP过程,所述LCP过程包括:
    在所述第一载波为当前可用资源所在的载波的情况下,选择所述第一CSI报告对应的目标地址,和/或所述目标地址关联的逻辑信道,和/或第一CSI报告媒体接入控制控制元素MAC CE。
  44. 根据权利要求43所述的第一终端设备,其特征在于,在选择所述第一CSI报告对应的目标地址,和所述目标地址关联的逻辑信道,和所述第一CSI报告MAC CE的情况下,在所述第一载波上发送所述第一CSI报告。
  45. 一种第二终端设备,其特征在于,包括:
    第二通信单元,用于发送第一指示信息,所述第一指示信息用于指示第一终端发送第一CSI报告。
  46. 根据权利要求45所述的第二终端设备,其特征在于,所述第二终端设备还包括:
    第二处理单元,用于确定第一载波,所述第一载波用于接收所述第一CSI报告。
  47. 根据权利要求45-46所述的第二终端设备,其特征在于,所述第二通信单元还用于:
    发送第一配置信息,所述第一配置信息用于指示CSI配置信息,所述CSI配置信息包括以下至少一项:
    发送参考信号的载波配置、CSI报告请求信息的载波配置、CSI报告测量的载波配置、CSI报告发送的载波配置、时延定时器值、参考信号的时频域位置及天线配置。
  48. 根据权利要求45-47任一项所述的第二终端设备,其特征在于,所述第二通信单元还用于:
    接收所述第一终端设备发送的所述第一CSI报告。
  49. 一种网络设备,其特征在于,包括:
    通信单元,用于接收第一终端发送的第一SR和/或第一BSR;
    处理单元,用于根据所述第一SR和/或所述第一BSR,确定第一资源,所述第一资源用于所述第一终端发送第一CSI报告。
  50. 根据权利要求49所述的网络设备,其特征在于,所述第一BSR包括目标地址标识信息和/或逻辑信道标识信息。
  51. 根据权利要求50所述的网络设备,其特征在于,所述确定第一资源包括:
    根据所述目标地址标识信息和逻辑信道标识信息,确定所述第一资源。
  52. 根据权利要求49所述的网络设备,其特征在于,所述确定第一资源包括:
    根据所述第一SR及CSI配置信息,确定所述第一资源,其中,所述CSI配置信息为协议规定的,或所述网络设备确定的,或预配置的,或第二终端确定的。
  53. 根据权利要求49所述的网络设备,其特征在于,所述确定第一资源包括:
    根据所述第一SR,确定与所述第一CSI报告对应的第一SR配置,基于所述第一SR配置确定所述第一资源。
  54. 根据权利要求53所述的网络设备,其特征在于,所述基于所述第一SR配置确定所述第一资源包括:
    基于所述第一SR配置及第一对应关系,确定所述第一资源,其中,所述第一对应关系为SR配置与侧行链路载波的对应关系,所述SR配置为网络配置的,或协议规定的,或默认的。
  55. 根据权利要求52所述的网络设备,其特征在于,所述通信单元还用于:
    接收第二配置信息,所述第二配置信息用于指示所述CSI配置信息。
  56. 根据权利要求49-55中任一项所述的网络设备,其特征在于,所述通信单元还用于:
    向所述第一终端发送第二指示信息,所述第二指示信息用于指示所述第一资源。
  57. 一种第一终端设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至16中任一项所述 的方法。
  58. 一种第二终端设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求17至20中任一项所述的方法。
  59. 一种网络设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求21至28中任一项所述的方法。
  60. 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至16中任一项所述的方法,或如权利要求17至20中任一项所述的方法,或如权利要求21至28中任一项所述的方法。
  61. 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至16中任一项所述的方法,或如权利要求17至20中任一项所述的方法,或如权利要求21至28中任一项所述的方法。
  62. 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至16中任一项所述的方法,或如权利要求17至20中任一项所述的方法,或如权利要求21至28中任一项所述的方法。
  63. 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至16中任一项所述的方法,或如权利要求17至20中任一项所述的方法,或如权利要求21至28中任一项所述的方法。
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