WO2023060559A1 - 无线通信的方法和终端设备 - Google Patents

无线通信的方法和终端设备 Download PDF

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Publication number
WO2023060559A1
WO2023060559A1 PCT/CN2021/124111 CN2021124111W WO2023060559A1 WO 2023060559 A1 WO2023060559 A1 WO 2023060559A1 CN 2021124111 W CN2021124111 W CN 2021124111W WO 2023060559 A1 WO2023060559 A1 WO 2023060559A1
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WIPO (PCT)
Prior art keywords
terminal device
information
carrier
carriers
sidelink
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PCT/CN2021/124111
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English (en)
French (fr)
Inventor
赵振山
林晖闵
张世昌
马腾
丁伊
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202180100901.6A priority Critical patent/CN117730594A/zh
Priority to PCT/CN2021/124111 priority patent/WO2023060559A1/zh
Publication of WO2023060559A1 publication Critical patent/WO2023060559A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation

Definitions

  • the embodiments of the present application relate to the communication field, and more specifically, relate to a wireless communication method and a terminal device.
  • Embodiments of the present application provide a wireless communication method and terminal equipment.
  • the transmitting end can select a carrier for sidelink transmission based on the terminal capability of the receiving end, thereby realizing sidelink multi-carrier transmission.
  • a wireless communication method includes:
  • the first terminal device receives the first information sent by the second terminal device; wherein the first information includes at least one of the following: the number of carriers supported by the second terminal device for simultaneous transmission, the number of carriers supported by the second terminal device for simultaneous reception The number of carriers, the combination of frequency bands supported by the second terminal device, the combination of carriers supported by the second terminal device, whether the second terminal device supports simultaneous transmission on carriers of different frequency bands, whether the second terminal device supports transmission in different frequency bands Simultaneous reception on carriers, whether the second terminal device supports simultaneous transmission on non-adjacent carriers, and whether the second terminal device supports simultaneous reception on non-adjacent carriers;
  • the first terminal device selects at least one carrier according to the first information; where the at least one carrier is used to send sidelink information to the second terminal device.
  • a wireless communication method in a second aspect, includes:
  • the second terminal device sends the first information to the first terminal device; wherein,
  • the first information includes at least one of the following: the number of simultaneously transmitting carriers supported by the second terminal device, the number of simultaneously receiving carriers supported by the second terminal device, the frequency band combination supported by the second terminal device, the second terminal device The combination of carriers supported by the device, whether the second terminal device supports simultaneous transmission on carriers of different frequency bands, whether the second terminal device supports simultaneous reception on carriers of different frequency bands, whether the second terminal device supports simultaneous transmission on non-adjacent carriers Simultaneous transmission on a carrier, whether the second terminal device supports simultaneous reception on a non-adjacent carrier; the first information is used for the first terminal device to select at least one carrier, and the at least one carrier is used for the first terminal device Send side traffic information to the second terminal device.
  • a wireless communication method includes:
  • the first terminal device receives first indication information sent by the second terminal device; wherein the first indication information is used to indicate the sidelink transmission carrier selected by the second terminal device;
  • the first terminal device selects a carrier for sending sidelink information to the second terminal device according to the first indication information.
  • a method for wireless communication includes:
  • the second terminal device sends first indication information to the first terminal device; wherein, the first indication information is used to indicate the sidelink transmission carrier selected by the second terminal device, and the first indication information is used for the first terminal device to select A carrier used to send sidelink information to the second terminal device.
  • a terminal device configured to execute the method in the first aspect above.
  • the terminal device includes a functional module configured to execute the method in any one of the above first aspect to the fourth aspect.
  • a terminal device including a processor and a memory; wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory, and execute the above-mentioned first to fourth aspects The method in any of the aspects.
  • an apparatus for realizing the method in any one of the first aspect to the fourth aspect above.
  • the device includes: a processor, configured to invoke and run a computer program from the memory, so that the device installed with the device executes the method in any one of the first aspect to the fourth aspect above.
  • a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in any one of the above first to fourth aspects.
  • a computer program product including computer program instructions, the computer program instructions cause a computer to execute the method in any one of the above first to fourth aspects.
  • a computer program which, when running on a computer, causes the computer to execute the method in any one of the above first to fourth aspects.
  • the first terminal device selects at least one carrier for sending sidelink information to the second terminal device according to the first information. That is, the first terminal device may select a carrier for sidelink transmission based on the terminal capability of the second terminal device, so as to implement sidelink multi-carrier transmission.
  • the first terminal device selects a carrier for sending sidelink information to the second terminal device according to the indication information for instructing the second terminal device to select the sidelink transmission carrier. That is, the first terminal device may select a carrier for sidelink transmission based on the sidelink transmission carrier selected by the second terminal device, so as to implement sidelink multi-carrier transmission.
  • FIG. 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.
  • Fig. 3 is a schematic diagram of uplink communication within a network coverage provided by the present application.
  • Fig. 4 is a schematic diagram of partial network coverage side communication provided by the present application.
  • Fig. 5 is a schematic diagram of outbound communication provided by the network coverage provided by the present application.
  • Fig. 6 is a schematic diagram of a side communication with a central control node provided by the present application.
  • Fig. 7 is a schematic diagram of unicast sidelink communication provided by the present application.
  • Fig. 8 is a schematic diagram of multicast sideline communication provided by the present application.
  • Fig. 9 is a schematic diagram of broadcast sideline communication provided by the present application.
  • Fig. 10 is a schematic diagram of a time slot structure in NR-V2X provided by the present application.
  • Fig. 11 is a schematic diagram of a lateral feedback provided by the present application.
  • Fig. 12 is a schematic diagram of a time slot structure of PSFCH and PSCCH/PSSCH provided by the present application.
  • Fig. 13 is a schematic diagram of resources of a sidelink feedback channel provided by the present application.
  • FIG. 14 is a schematic diagram of a corresponding relationship between PSFCH transmission resources and PSSCH resources provided in this application.
  • Fig. 15 is a schematic interaction flowchart of a wireless communication method provided according to an embodiment of the present application.
  • FIG. 16 to FIG. 21 are schematic diagrams of carrier selection provided according to embodiments of the present application.
  • Fig. 22 is a schematic interaction flowchart of another wireless communication method provided according to an embodiment of the present application.
  • 23 to 26 are schematic block diagrams of terminal devices provided according to embodiments of the present application.
  • Fig. 27 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Fig. 28 is a schematic block diagram of a device provided according to an embodiment of the present application.
  • Fig. 29 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 Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced long term evolution
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • NR New Radio
  • evolution system of NR system LTE (LTE-based access to unlicensed spectrum) on unlicensed spectrum , LTE-U) system
  • NR NR-based access to unlicensed spectrum, NR-U) system on unlicensed spectrum
  • non-terrestrial communication network Non-Terrestrial Networks, NTN
  • Universal Mobile Telecommunication System Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • WLAN Universal Mobile Telecommunication System
  • WLAN Universal Mobile Telecommunication System
  • Internet of things Internet of things
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and can also be applied to an independent (Standalone, SA ) meshing scene.
  • Carrier Aggregation, CA Carrier Aggregation
  • DC Dual Connectivity
  • SA independent meshing scene
  • the communication system in the embodiment of the present application can be applied to an 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 a licensed spectrum, Wherein, the licensed spectrum can also be regarded as a non-shared spectrum.
  • the communication system in the embodiment of the present application can be applied to the FR1 frequency band (corresponding to the frequency range of 410MHz to 7.125GHz), and can also be applied to the FR2 frequency band (corresponding to the frequency range of 24.25GHz to 52.6GHz), and can also be applied to The new frequency band corresponds to, for example, a frequency range from 52.6 GHz to 71 GHz or a high-frequency frequency range from 71 GHz to 114.25 GHz.
  • the embodiments of the present application may be applied to a non-terrestrial communication network (Non-Terrestrial Networks, NTN) system, and may also be applied to a terrestrial communication network (Terrestrial Networks, TN) system.
  • NTN non-terrestrial communication network
  • TN terrestrial communication network
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the terminal equipment may also be referred to as 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 device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile device user terminal
  • terminal wireless communication device
  • wireless communication device user agent or user device
  • the terminal device can be a station (STATION, ST) in a 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, a personal digital assistant (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, 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 future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as 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, 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, vehicle communication equipment, wireless communication chip/application-specific integrated circuit (application specific integrated circuit, ASIC)/system-on-chip (System on Chip, SoC), etc.
  • a virtual reality (Virtual Reality, VR) terminal device 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
  • vehicle communication equipment wireless communication chip/application-specific integrated circuit (application specific integrated circuit, ASIC
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which is a general term for the application of 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 only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
  • the network device may be a device for communicating with the mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , or a base station (NodeB, NB) in WCDMA, or an evolved 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 A network device or a base station (gNB) in a network device or a network device in a future evolved PLMN network or a network device in an NTN network.
  • AP Access Point
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • LTE Long Term Evolution
  • eNB evolved base station
  • gNB base station
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network equipment may be a satellite, balloon station.
  • the satellite can be a low earth orbit (low earth orbit, LEO) satellite, a medium earth orbit (medium earth orbit, MEO) satellite, a geosynchronous earth orbit (geosynchronous 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, in water, or other locations.
  • the network device may provide services for a cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the transmission resources for example, frequency domain resources, or spectrum resources
  • the cell may be a network device (
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
  • the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is 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 indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, configuration and is configuration etc.
  • predefined or “preconfigured” can be realized 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).
  • the application does not limit its specific implementation.
  • pre-defined may refer to defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, which is not limited in the present application.
  • Fig. 1 is a schematic diagram of a communication system to which the embodiment of the present application is applicable.
  • 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 to which the embodiment of the present application is applicable.
  • the vehicle-mounted terminals (vehicle-mounted terminal 131 and vehicle-mounted terminal 132 ) autonomously select transmission resources on sidelink resources for data transmission.
  • the vehicle-mounted terminal may select transmission resources randomly, or select transmission resources by listening.
  • side communication according to the network coverage of the communicating terminal, it can be divided into network coverage inner communication, as shown in Figure 3; part of the network coverage side communication, as shown in Figure 4 ; and network coverage outer line communication, as shown in FIG. 5 .
  • Figure 3 In inline communication within the network coverage, all terminals performing sideline communication are within the coverage of the base station. Therefore, the above-mentioned terminals can perform sideline communication based on the same sideline configuration by receiving configuration signaling from the base station .
  • FIG 4 In the case of partial network coverage for sidelink communication, some terminals performing sidelink communication are located within the coverage of the base station. These terminals can receive configuration signaling from the base station and perform sidelink communication according to the configuration of the base station. However, terminals located outside the network coverage cannot receive the configuration signaling from the base station. In this case, the terminals outside the network coverage will use the pre-configuration information and the physical The information carried in the Physical Sidelink Broadcast Channel (PSBCH) determines the sidelink configuration for sidelink communication.
  • PSBCH Physical Sidelink Broadcast Channel
  • Figure 5 For outbound communication under network coverage, all terminals performing side communication are located outside the network coverage, and all terminals determine side communication according to pre-configuration information to perform side communication.
  • FIG. 6 For side communication with a central control node, multiple terminals form a communication group.
  • a central control node in the communication group which can also be called a cluster head terminal (Cluster Header, CH).
  • the central control node has the following One of the functions: responsible for the establishment of communication groups; joining and leaving of group members; performing resource coordination, allocating side transmission resources for other terminals, receiving side communication feedback information from other terminals; performing resource coordination with other communication groups, etc.
  • device-to-device communication is based on a sidelink (Sidelink, SL) transmission technology based on device to device (D2D), and the communication data in the traditional cellular system is received or sent through the base station.
  • the method is different.
  • the Internet of Vehicles system adopts the method of terminal-to-terminal direct communication, so it has higher spectral efficiency and lower transmission delay.
  • Two transmission modes are defined in 3GPP, which are respectively recorded as: the first mode (sidelink resource allocation mode 1) and the second mode (sidelink resource allocation mode 2).
  • the first mode the transmission resources of the terminal are allocated by the base station, and the terminal sends data on the sidelink according to the resources allocated by the base station; the base station can allocate resources for a single transmission to the terminal, and can also allocate semi-static transmission to the terminal H. As shown in FIG. 3 , the terminal is located within the coverage of the network, and the network allocates transmission resources for sidelink transmission to the terminal.
  • the second mode the terminal selects a resource from the resource pool for data transmission.
  • the terminal is located outside the coverage of the cell, and the terminal independently selects transmission resources from the pre-configured resource pool for sidelink transmission; or, as shown in Figure 3, the terminal independently selects transmission resources from the resource pool configured by the network Make sideways transfers.
  • New Radio-Vehicle to Everything NR-V2X
  • NR-V2X New Radio-Vehicle to Everything
  • it supports automatic driving, so it puts forward higher requirements for data interaction between vehicles, such as higher throughput, lower Latency, higher reliability, larger coverage, more flexible resource allocation, etc.
  • unicast transmission there is only one terminal at the receiving end, as shown in Figure 7, unicast transmission is performed between UE1 and UE2; for multicast transmission, the receiving end is all terminals in a communication group, or in a certain All terminals within the transmission distance, as shown in Figure 8, UE1, UE2, UE3, and UE4 form a communication group, in which UE1 sends data, and other terminal devices in the group are receiving end terminals; for broadcast transmission mode, its receiving The terminal is any terminal around the transmitting terminal. As shown in FIG. 9 , UE1 is the transmitting terminal, and other terminals around it, UE2-UE6 are all receiving terminals.
  • the time slot structure in NR-V2X is shown in Figure 10.
  • (a) in Figure 10 indicates that the time slot does not include the physical sidelink feedback channel (Physical Sidelink Feedback Channel, PSFCH) time slot structure; the diagram in Figure 10 ( b) shows the slot structure including PSFCH.
  • PSFCH Physical Sidelink Feedback Channel
  • the Physical Sidelink Control Channel starts from the second sidelink symbol of the time slot in the time domain and occupies 2 or 3 Orthogonal frequency division multiplexing (Orthogonal frequency- division multiplexing (OFDM) symbols can occupy ⁇ 10, 12 15, 20, 25 ⁇ physical resource blocks (physical resource blocks, PRBs) in the frequency domain.
  • Orthogonal frequency division multiplexing Orthogonal frequency division multiplexing (Orthogonal frequency- division multiplexing (OFDM) symbols can occupy ⁇ 10, 12 15, 20, 25 ⁇ physical resource blocks (physical resource blocks, PRBs) in the frequency domain.
  • OFDM Orthogonal frequency division multiplexing
  • the number of PRBs occupied by PSCCH must be less than or equal to the number of PRBs contained in a sub-channel in the resource pool , so as not to impose additional restrictions on PSSCH resource selection or allocation.
  • the PSSCH also starts from the second side row symbol of the time slot, the last time domain symbol in the time slot is a guard interval (Guard Period, GP) symbol, and the remaining symbols are mapped to the PSSCH.
  • the first side row symbol in this time slot is the repetition of the second side row symbol.
  • the receiving terminal uses the first side row symbol as an automatic gain control (AGC) symbol. Data is generally not used for data demodulation.
  • the PSSCH occupies M subchannels in the frequency domain, and each subchannel includes N consecutive PRBs. As shown in (a) in Figure 10.
  • the second-to-last symbol and the third-to-last symbol in the time slot are used for PSFCH channel transmission, and the data on the third-to-last symbol is the repetition of the data on the second-to-last symbol.
  • One time-domain symbol before the PSFCH channel is used as a GP symbol, as shown in (b) in FIG. 10 .
  • a sidelink feedback channel is introduced.
  • the transmitting terminal sends sidelink data (including PSCCH and PSSCH) to the receiving terminal, and the receiving terminal sends Hybrid Automatic Repeat reQuest (HARQ) feedback information (including Acknowledgment (Acknowledgment, ACK) or Negative Acknowledgment (Negative Acknowledgment, NACK)), the sending terminal judges whether retransmission is required according to the feedback information of the receiving terminal.
  • HARQ feedback information is carried in a sidelink feedback channel, such as PSFCH. As shown in Figure 11.
  • the sideline feedback can be activated or deactivated through pre-configuration information, network configuration information, or the transmitting terminal. If the sideline feedback is activated, the receiving terminal receives the sideline data sent by the transmitting terminal and sends feedback to the transmitting terminal according to the detection result.
  • HARQ ACK or NACK the sending end terminal decides to send retransmission data or new data according to the feedback information of the receiving end; if the sidelink feedback is deactivated, the receiving end terminal does not need to send feedback information, and the sending end terminal usually uses blind retransmission to send For data, for example, the sending terminal repeatedly sends each side data K times, instead of deciding whether to send retransmission data according to the feedback information of the receiving terminal.
  • the sidelink feedback channel PSFCH is introduced.
  • the PSFCH only carries 1 bit of HARQ-ACK information and occupies 2 time domain symbols in the time domain (the second symbol carries the sidelink feedback information, the first
  • the data on the symbol is a copy of the data on the second symbol, but this symbol is used as AGC), occupying 1 PRB in the frequency domain.
  • the structure of PSFCH and PSSCH/PSCCH is shown in Figure 12 (or (b) in Figure 10).
  • Figure 12 schematically shows the structure of PSFCH, PSCCH, and PSSCH in a time slot The position of the time-domain symbol accounted for.
  • the last symbol is used as GP
  • the penultimate symbol is used for PSFCH transmission
  • the penultimate symbol data is the same as the PSFCH symbol data, used as AGC
  • the penultimate symbol is also used as GP
  • the first symbol in the time slot is used as AGC, and the data on this symbol is the same as the data on the second time domain symbol in the time slot.
  • PSCCH occupies 3 time domain symbols, and the remaining symbols can be used for PSSCH transmission.
  • the feedback information of the PSSCH transmitted in time slots 2, 3, 4, and 5 is all transmitted in time slot 7, so the time slot ⁇ 2, 3, 4, 5 ⁇ can be regarded as a time slot set,
  • the corresponding PSFCH is in the same time slot.
  • the PSSCHs correspond to different PSFCH resources in the feedback slots.
  • multi-carrier transmission can be supported on the sidelink.
  • a multi-carrier transmission scheme is introduced, and the data of the terminal can be transmitted on one or more carriers, so there is a problem of selecting the transmission carrier.
  • One way is to use the channel busy ratio of each carrier , CBR), the terminal selects the carrier with the lowest CBR for data transmission.
  • CBR reflects the channel occupancy in the past 100 ms or 100 time slots. The lower the CBR, the lower the system resource occupancy rate and the more available resources; the higher the CBR, the higher the system resource occupancy rate, the more congested, and easier Transmission collisions and interference occur.
  • the present application proposes a scheme for selecting sidelink carriers, so as to realize sidelink multi-carrier transmission.
  • Fig. 15 is a schematic interaction flowchart of a wireless communication method 200 according to an embodiment of the present application. As shown in Fig. 15, the wireless communication method 200 may include at least part of the following content:
  • the second terminal device sends first information to the first terminal device; wherein, the first information includes at least one of the following: the number of simultaneous transmission carriers supported by the second terminal device, and the simultaneous reception supported by the second terminal device The number of carriers, the frequency band combination supported by the second terminal device, the carrier combination supported by the second terminal device, whether the second terminal device supports simultaneous transmission on carriers of different frequency bands, whether the second terminal device supports transmission in different frequency bands Whether the second terminal device supports simultaneous reception on non-adjacent carriers, whether the second terminal device supports simultaneous reception on non-adjacent carriers;
  • the first terminal device receives the first information sent by the second terminal device;
  • the first terminal device selects at least one carrier according to the first information; where the at least one carrier is used to send sidelink information to the second terminal device.
  • the content included in the first information may be the terminal capability information of the second terminal device, or the first information may be included in the terminal capability information of the second terminal device, that is, the first terminal device may Based on the terminal capability information of the second terminal device, a carrier for sidelink transmission is selected, so as to realize sidelink multi-carrier transmission.
  • the frequency band combination includes but is not limited to at least one of the following:
  • the frequency band combination of E-UTRA and NR the frequency band combination of NR and NR.
  • the carrier combination includes but is not limited to at least one of the following:
  • Inter-band (inter-band) carrier combination Intra-band carrier combination.
  • the first terminal device may be a sending terminal
  • the second terminal device may be a receiving terminal
  • terminal capability information may be exchanged between the sending terminal and the receiving terminal.
  • the terminal capability information may include but not limited to at least one of the following:
  • the number of supported carriers for simultaneous transmission that is, the number of carriers for which the terminal simultaneously transmits sideways;
  • the number of carriers supported to receive at the same time that is, the number of carriers that the terminal simultaneously receives on the side;
  • Supported frequency band combinations including EUTRA and NR frequency band combinations, and NR and NR frequency band combinations;
  • Supported carrier combinations including inter-band carrier combinations and/or intra-band carrier combinations;
  • the frequency band combination supported by the terminal may not only include a frequency band combination supported by the terminal for sidelink reception, but may also include a frequency band combination supported by the terminal for sidelink transmission.
  • the carrier combination supported by the terminal may include the carrier combination supported by the terminal for sidelink reception, or the carrier combination supported by the terminal for sidelink transmission.
  • the first information is carried by PC5-radio resource control (Radio Resource Control, RRC) signaling.
  • RRC Radio Resource Control
  • the first information may occupy one or more elements in the PC5-RRC signaling, or the first information may occupy one or more fields in the PC5-RRC signaling, or the first information may occupy One or more fields in PC5-RRC signaling.
  • the first information is carried by a media access control control element (Media Access Control Element, MAC CE).
  • MAC CE Media Access Control Control Element
  • the first information can occupy one or more elements in the MAC CE, or the first information can occupy one or more fields in the MAC CE, or the first information can occupy one or more fields in the MAC CE multiple domains.
  • the first terminal device before the first terminal device receives the first information sent by the second terminal device, the first terminal device sends second information to the second terminal device; wherein the second information is used for The content included in the first information is requested.
  • the first information is carried by side terminal capability information (UECapabilityInformationSidelink)
  • the second information is carried by side terminal capability inquiry (UECapabilityEnquirySidelink).
  • the second information is carried by PC5-RRC signaling.
  • the second information may occupy one or more elements in the PC5-RRC signaling, or the second information may occupy one or more fields in the PC5-RRC signaling, or the second information may occupy One or more fields in PC5-RRC signaling.
  • the second information is carried by MAC CE.
  • the second information can occupy one or more elements in the MAC CE, or the second information can occupy one or more fields in the MAC CE, or the second information can occupy one or more fields in the MAC CE multiple domains.
  • the second terminal device can autonomously send the first information to the first terminal device; the second terminal device can also send the first information to the first terminal device based on the request of the first terminal device Send the first message.
  • the second terminal device autonomously sends its own terminal capability information to the first terminal device through sidelink terminal capability information (UECapabilityInformationSidelink).
  • UECapabilityInformationSidelink sidelink terminal capability information
  • the second terminal device sends its own terminal capability information to the first terminal device through the side terminal capability information (UECapabilityInformationSidelink) under the request of the side terminal capability inquiry (UECapabilityEnquirySidelink) sent by the first terminal device.
  • UECapabilityInformationSidelink the side terminal capability information
  • UECapabilityEnquirySidelink the side terminal capability inquiry
  • the sidewalk information includes but is not limited to at least one of the following:
  • the sidelink information is sidelink control information (Sidelink Control Information, SCI), and the sidelink control information can be transmitted on the PSCCH, or the sidelink control information is second-order SCI, which is carried by resources of the PSSCH.
  • SCI Sidelink Control Information
  • the sidelink information is a sidelink reference signal
  • the sidelink reference signal can be transmitted on the PSCCH or PSSCH
  • the sidelink reference signal includes any one of the following: demodulation reference signal (Demodulation Reference Signal, DMRS), Channel State Information Reference Signal (CSI-RS), Phase Tracking Reference Signal (PT-RS).
  • demodulation Reference Signal Demodulation Reference Signal
  • CSI-RS Channel State Information Reference Signal
  • PT-RS Phase Tracking Reference Signal
  • the side link information is side link data
  • the side link data may be transmitted on the PSSCH.
  • the sidelink feedback information corresponding to the sidelink information on the at least one carrier is located in the same time slot or the same time domain symbol.
  • the sidelink information is sidelink data transmitted on the PSSCH, and sidelink feedback information corresponding to the sidelink information is transmitted on the PSFCH.
  • the sidelink feedback information is, for example, HARQ feedback information (including ACK or NACK).
  • the sidelink information sent by the first terminal device on the at least one carrier may be located in the same time slot or in different time slots, but the sidelink feedback information corresponding to the sidelink information is located in the same time slot. time slot.
  • the number of at least one carrier is less than or equal to the number of simultaneous transmission carriers supported by the second terminal device.
  • the first terminal device may perform carrier selection according to the number of simultaneous transmission carriers supported by the second terminal device. Specifically, for example, the number of the at least one carrier selected by the first terminal device is less than or equal to the number of simultaneous transmission carriers supported by the second terminal device.
  • a first terminal device transmits a PSSCH to a second terminal device through a selected carrier, and activates sidelink feedback of sidelink information sent on the PSSCH, the first terminal device expects the second terminal device to send PSFCH, and the number of simultaneous transmission carriers supported by the second terminal device is N, the first terminal device can only select less than or equal to N carriers to send PSSCH, so as to ensure that the second terminal device will not exceed its maximum transmission capability when sending PSFCH.
  • the system configures 4 carriers, and PSFCH resources are configured on each carrier, the PSFCH resources configured on the 4 carriers are the same, and the minimum time interval between the PSSCH and its associated PSFCH is 2 time slot, therefore, the corresponding PSFCH of the PSSCH transmitted on time slot 2/3/4/5 is located in time slot 7.
  • the terminal capability information is exchanged between the first terminal device and the second terminal device through PC5-RRC signaling.
  • the first terminal device learns that the maximum number of simultaneous transmission carriers supported by the second terminal device is 2.
  • the number of carriers selected by the first terminal device cannot exceed 2 when performing carrier selection, otherwise it may cause the second terminal device to exceed its supported simultaneous transmission when feeding back PSFCH
  • the maximum number of carriers so some carriers cannot feed back PSFCH. For example, if the first terminal device selects carriers 0/1/2, and the selected time slots are time slots 2/3/4 respectively, it will cause the second terminal device to simultaneously transmit from three carriers in time slot 7.
  • PSFCH exceeds the maximum number of carriers that can be sent simultaneously by the second terminal device.
  • the first terminal device may perform carrier selection according to the number of simultaneously received carriers supported by the second terminal device. Specifically, for example, the number of the at least one carrier selected by the first terminal device is less than or equal to the number of simultaneously received carriers supported by the second terminal device.
  • the first terminal device when the first terminal device knows that the maximum number of simultaneous reception carriers supported by the second terminal device is 2, the first terminal device cannot select more than 2 carriers for simultaneous transmission when performing carrier selection, otherwise the second terminal device Unable to receive data on some carriers.
  • the first terminal device selects the at least one carrier from carriers in the frequency band combination supported by the second terminal device. That is, in the above S230, the first terminal device selects a carrier according to the frequency band combination supported by the second terminal device, and cannot select a carrier in other frequency band combinations for simultaneous transmission.
  • the system is configured with three frequency bands, namely frequency band 1, frequency band 2 and frequency band 3.
  • Frequency band 1 includes carrier 0 and carrier 1
  • frequency band 2 includes carrier 2
  • frequency band 3 includes carrier 3.
  • the second terminal device only supports the combination of frequency band 1 and frequency band 2. Therefore, the first terminal device can only select carriers in frequency band 1 and frequency band 2 when performing carrier selection. For example, the first terminal device selects carrier 0 and carrier 2 for side Or, the first terminal device selects carrier 1 and carrier 2 for lateral transmission, and the first terminal device cannot select carriers in frequency band 1 and frequency band 3 at the same time, or, the first terminal device cannot select frequency band 2 and frequency band at the same time 3 within the carrier.
  • the process of carrier selection by the first terminal device according to the frequency band combination supported by the second terminal device it may also be combined with the number of simultaneously received carriers supported by the second terminal device, or combined with the number of carriers supported by the second terminal device. The number of carriers that are sent at the same time will not be repeated here.
  • the first terminal device selects the at least one carrier in the same frequency band. Or, if the first information at least includes that the second terminal device does not support simultaneous reception on carriers of different frequency bands; the first terminal device selects the at least one carrier in the same frequency band. That is, in the above S230, the first terminal device can only select carriers in the same frequency band, but cannot simultaneously select carriers in different frequency bands for transmission.
  • the sidewalk system supports two frequency bands, namely frequency band 1 and frequency band 2; each frequency band includes two carriers, the carriers included in frequency band 1 are carrier 0 and carrier 1 respectively, and the carriers included in frequency band 2 are carrier 0 and carrier 1 respectively.
  • the included carriers are carrier 2 and carrier 3; if the second terminal device does not support simultaneous transmission in different frequency bands, the first terminal device can only select a carrier in one frequency band when performing carrier selection, for example, the first terminal The device selects carrier 0 in frequency band 1, or the first terminal device selects carrier 1 in frequency band 1, or the first terminal device selects carrier 0 and carrier 1 in frequency band 1, or the first terminal device selects carrier 1 in frequency band 2 or, the first terminal device selects carrier 3 in frequency band 2, or, the first terminal device selects carrier 2 and carrier 3 in frequency band 2.
  • the PSSCH sent by the first terminal device on at least one carrier may activate or deactivate the sidelink feedback, that is, there is no limitation on activating or deactivating the sidelink feedback.
  • the first terminal device cannot select carriers in two frequency bands at the same time, for example, select carrier 1 in frequency band 1 and carrier 2 in frequency band 2 at the same time.
  • the number of carriers supported by the second terminal device for simultaneous reception, or the number of carriers supported by the second terminal device for simultaneous transmission may also be combined Quantity will not be repeated here.
  • the first terminal device selects the at least one carrier from the combination of carriers supported by the second terminal device. That is, in the above S230, the first terminal device performs carrier selection according to the carrier combinations supported by the second terminal device, and cannot select carriers from other carrier combinations for simultaneous transmission.
  • the system configures four carriers, that is, carrier 0, carrier 1, carrier 2, and carrier 3.
  • the four carriers may belong to the same frequency band or different frequency bands, which is not limited in this embodiment.
  • the second terminal device supports the combination of carrier 0 and carrier 1 as well as the combination of carrier 2 and carrier 3. Therefore, when performing carrier selection, the first terminal device can only select carrier 0 and carrier 1 for data transmission, or the first terminal The device selects carrier 2 and carrier 3 for data transmission.
  • the first terminal device cannot select the combination of carrier 1 and carrier 2, or the first terminal device cannot select the combination of carrier 0 and carrier 2, or the first terminal device cannot select the carrier 1 and carrier 3, or the first terminal device cannot select the combination of carrier 0 and carrier 3.
  • the first terminal device cannot select any combination of 3 or 4 carriers for sidelink transmission.
  • the number of simultaneously received carriers supported by the second terminal device may also be combined, or combined with the second terminal device The number of supported simultaneous transmission carriers will not be repeated here.
  • the at least one carrier does not include non-adjacent carriers. Or, if the first information at least includes that the second terminal device does not support simultaneous reception on non-adjacent carriers, the at least one carrier does not include non-adjacent carriers. That is, in the above S230, the first terminal device can only select adjacent carriers, but cannot simultaneously select non-adjacent carriers for transmission.
  • the system configures four carriers, that is, carrier 0, carrier 1, carrier 2, and carrier 3. These 4 carriers are 4 adjacent carriers belonging to the same frequency band. If the second terminal device does not support simultaneous transmission on non-adjacent carriers, the first terminal device can only select adjacent carriers when performing carrier selection, for example, select any combination of adjacent two carriers: such as the first terminal The device selects carrier 0 and carrier 1, or the first terminal device selects carrier 1 and carrier 2, or the first terminal device selects carrier 2 and carrier 3. The first terminal device may also select any combination of three adjacent carriers: for example, the first terminal device selects carrier 0, carrier 1 and carrier 2, or the first terminal device selects carrier 1, carrier 2 and carrier 3.
  • the first terminal device can also select all 4 carriers; and the first terminal device cannot select non-adjacent carriers at the same time, such as the first terminal device cannot select carrier 1 and carrier 3 at the same time, or the first terminal device cannot select at the same time Carrier 2 and Carrier 4.
  • sidelink feedback needs to be activated simultaneously on a part of the multiple adjacent carriers. For example, when the first terminal device selects carrier 0, carrier 1 and carrier 2 to transmit PSSCH, the first terminal device can simultaneously activate the sidelink feedback of the PSSCH on the three carriers, or the first terminal device can simultaneously deactivate the three Sidelink feedback of PSSCH on the carrier.
  • the first terminal device activates sidelink feedback for PSSCH on carrier 0 and carrier 1, and deactivates sidelink feedback on PSSCH on carrier 2.
  • the first terminal device deactivates the sidelink feedback on the PSSCH on carrier 0, and activates the sidelink feedback on the PSSCH on carrier 1 and carrier 2.
  • the first terminal device activates the sidelink feedback for the PSSCH on carrier 0, and deactivates the sidelink feedback for the PSSCH on carrier 1 and carrier 2.
  • the first terminal device deactivates the sidelink feedback for the PSSCH on carrier 0 and carrier 1, and activates the sidelink feedback on the PSSCH on carrier 2.
  • the sidelink information sent on some or all of the at least one carrier activates sidelink feedback.
  • the first terminal device performs resource selection on the at least one carrier according to the first information.
  • the first information includes at least the number of simultaneous transmission carriers supported by the second terminal device, and the number of the at least one carrier is greater than the number of simultaneous transmission carriers supported by the second terminal device; the first The terminal device selects resources on the at least one carrier according to the number of simultaneous transmission carriers supported by the second terminal device.
  • the sidelink information sent on all the carriers in the at least one carrier activates sidelink feedback
  • the sidelink information sent on the resource selected on the at least one carrier is correspondingly located in the same time slot
  • the number of carriers corresponding to the sidelink feedback information does not exceed the number of simultaneous transmission carriers supported by the second terminal device.
  • a first terminal device sends a PSSCH to a second terminal device through a selected carrier, and activates the sidelink feedback of the sidelink information sent on the PSSCH
  • a second terminal device when determining the transmission resources of the PSSCH, it is necessary to consider that the second terminal device simultaneously The number of carriers for sending PSFCH, so that the number of carriers for sending PSFCH by the second terminal device at the same time does not exceed its maximum sending capability.
  • the maximum number of simultaneous transmission carriers supported by the second terminal device is 2, and when the first terminal device transmits PSCCH/PSSCH, if the number of transmission carriers selected does not exceed 2, then the first terminal device There is no limit to the resource selection of the terminal device on each carrier; if the number of selected transmission carriers exceeds 2, in order to prevent the second terminal device from simultaneously transmitting PSFCH with more than 2 carriers, it is necessary to restrict the resource selection of the first terminal device.
  • the first terminal device selects 3 carriers for sending PSCCH/PSSCH, corresponding to carrier 0, carrier 1, and carrier 2; the first terminal device selects transmission resources on time slot 2/3 on carrier 0/1 respectively , then when the first terminal device selects transmission resources on carrier 2, it cannot select transmission resources on time slot 2, time slot 3, time slot 4 or time slot 5, otherwise the second terminal device will need Sending PSFCH on three carriers at the same time exceeds the capability of the second terminal device. Therefore, the first terminal device needs to select transmission resources on time slots other than time slot 2, time slot 3, time slot 4 and time slot 5 on carrier 2, for example, to select transmission resources on time slot 6, Its corresponding PSFCH is located in time slot 11. Therefore, the second terminal device feeds back the feedback information of the PSSCH sent on carrier 0 and carrier 1 on carrier 0 and carrier 1 respectively in time slot 7, and feeds back the feedback information sent by carrier 2 in time slot 11. PSSCH feedback information.
  • the first terminal device determines whether the sidelink information sent on the at least one carrier activates sidelink feedback according to the first information. For example, when the first terminal device transmits the PSSCH on at least one carrier, it determines whether to activate sidelink feedback according to the number of simultaneous transmission carriers supported by the second terminal device.
  • the first information includes at least the number of simultaneous transmission carriers supported by the second terminal device, and the number of the at least one carrier is greater than the number of simultaneous transmission carriers supported by the second terminal device; the first The terminal device determines whether the sidelink information sent on the at least one carrier activates sidelink feedback according to the number of simultaneous transmission carriers supported by the second terminal device. In some embodiments, the first terminal device determines that sidelink information sent on M carriers in the at least one carrier activates sidelink feedback; wherein, M is a positive integer, and M is less than or equal to the second terminal device The number of carriers supported for simultaneous transmission.
  • the maximum number of simultaneous transmission carriers supported by the second terminal device is 2, and when the first terminal device transmits PSCCH/PSSCH, if the number of transmission carriers selected does not exceed 2, then the first terminal device There is no limit to the resource selection of the terminal device on each carrier; if the number of selected transmission carriers exceeds 2, in order to prevent the second terminal device from simultaneously transmitting PSFCH with more than 2 carriers, it is necessary to determine whether to activate sidelink feedback.
  • the first terminal device selects 3 carriers for sending PSCCH/PSSCH, corresponding to carrier 0, carrier 1, and carrier 2; If there are transmission resources on time slot 3 and time slot 4, the first terminal device can only activate sidelink feedback for the PSSCH on at most 2 of the carriers; Sending the PSFCH on the Internet exceeds the capability of the second terminal device.
  • the first terminal device if the first information includes at least that the second terminal device does not support simultaneous transmission on carriers in different frequency bands, and the first terminal device selects carriers in multiple frequency bands; the first terminal device only activating sidelink feedback of sidelink information sent on a carrier in one of the multiple frequency bands.
  • sidelink feedback can only be activated for PSSCHs sent in one frequency band, and sidelink feedback needs to be deactivated for PSSCHs sent in other frequency bands.
  • the second terminal device does not support simultaneous transmission in different frequency bands
  • the first terminal device can only activate sidelink feedback for the PSSCH of carrier 1, and deactivate sidelink feedback for the PSSCH of carrier 2, or vice versa, deactivate sidelink feedback for the PSSCH of carrier 1.
  • the PSSCH of carrier 2 activates sidelink feedback; thereby ensuring that the second terminal device does not transmit PSFCH on carrier 1 and carrier 2 at the same time.
  • the first terminal device if the first information includes at least that the second terminal device does not support simultaneous transmission on non-adjacent carriers, and the first terminal device selects multiple non-adjacent carriers; the first terminal The device only activates sidelink feedback of sidelink information sent on adjacent carriers among the plurality of carriers.
  • the first terminal device selects multiple non-adjacent carriers, only the PSSCHs sent on adjacent carriers within the multiple carriers can activate sidelink feedback, and the PSSCHs sent on other carriers need to be deactivated. Activate side travel feedback.
  • the second terminal device does not support simultaneous transmission in different frequency bands, when the first terminal device selects resources, if non-adjacent carriers are selected, for example, carrier 1 and carrier 3 are selected at the same time, then The first terminal device can only activate the sidelink feedback for the PSSCH of carrier 1 and deactivate the sidelink feedback for the PSSCH of carrier 3, or vice versa, deactivate the sidelink feedback for the PSSCH of carrier 1 and activate the sidelink feedback for the PSSCH of carrier 3 ; so as to ensure that the second terminal device will not transmit PSFCH on carrier 1 and carrier 3 at the same time.
  • the first terminal device can only activate sidelink feedback for the PSSCH of carrier 0 and/or carrier 1, and deactivate sidelink feedback for the PSSCH of carrier 3. , or vice versa, sidelink feedback is deactivated for the PSSCH of carrier 0 and carrier 1, and sidelink feedback is activated for the PSSCH of carrier 3; thereby ensuring that the second terminal device will not simultaneously transmit PSFCH on non-adjacent carriers.
  • the first terminal device selects at least one carrier for sending sidelink information to the second terminal device according to the first information. That is, the first terminal device may select a carrier for sidelink transmission based on the terminal capability of the second terminal device, so as to implement sidelink multi-carrier transmission.
  • Fig. 22 is a schematic interaction flowchart of a wireless communication method 300 according to an embodiment of the present application. As shown in Fig. 22, the wireless communication method 300 may include at least part of the following content:
  • the second terminal device sends first indication information to the first terminal device; where the first indication information is used to indicate the sidelink transmission carrier selected by the second terminal device, and the first indication information is used by the first terminal device
  • the device selects a carrier for sending sidelink information to the second terminal device;
  • the first terminal device receives the first indication information sent by the second terminal device
  • the first terminal device selects a carrier for sending sidelink information to the second terminal device according to the first indication information.
  • the first terminal device may be a sending terminal
  • the second terminal device may be a receiving terminal
  • the sidelink transmission carriers selected by the second terminal device belong to different frequency bands, or, the sidelink transmission carriers selected by the second terminal device belong to the same frequency band.
  • the lateral information includes at least one of the following:
  • the sidelink information is sidelink control information
  • the sidelink control information can be transmitted on the PSCCH, or the sidelink control information is second-order SCI, which is carried by resources of the PSSCH.
  • the sidelink information is a sidelink reference signal, which can be transmitted on the PSCCH or PSSCH, and the sidelink reference signal includes any of the following: demodulation reference signal (DMRS), channel state information reference Information (CSI-RS), Phase Tracking Reference Signal (PT-RS).
  • DMRS demodulation reference signal
  • CSI-RS channel state information reference Information
  • PT-RS Phase Tracking Reference Signal
  • the side link information is side link data
  • the side link data may be transmitted on the PSSCH.
  • the first indication information is carried by PC5-RRC signaling.
  • the first indication information may occupy one or more elements in the PC5-RRC signaling, or the first indication information may occupy one or more fields in the PC5-RRC signaling, or the first indication information may occupy one or more fields in the PC5-RRC signaling Information may occupy one or more fields in PC5-RRC signaling.
  • the first indication information is carried by MAC CE.
  • the first indication information may occupy one or more elements in the MAC CE, or the first indication information may occupy one or more fields in the MAC CE, or the first indication information may occupy one or more fields in the MAC CE One or more domains of .
  • the sidewalk system supports 4 carriers, namely carrier 0, carrier 1, carrier 2 and carrier 3.
  • the four carriers may belong to the same frequency band, or may belong to different frequency bands, which is not limited in this embodiment.
  • the first terminal device receives the first instruction information sent by the second terminal device.
  • the first instruction information indicates that the second terminal device selects carrier 0 and carrier 1 for sidelink transmission.
  • the first terminal device selects a carrier, it can select Carrier 0 performs sidelink transmission, or carrier 1 may be selected for sidelink transmission, or carrier 0 and carrier 1 may be selected for sidelink transmission.
  • the first terminal device performs carrier selection according to the detected carrier used by the second terminal device. For example, the first terminal device detects the sidelink data sent by the second terminal device on carrier 0 and carrier 1, but does not detect the sidelink data sent by the second terminal device on carrier 2 and carrier 3. Therefore, the first terminal The device may determine that the carrier for sidelink transmission selected by the second terminal device includes carrier 0 and carrier 1, then when the first terminal device performs carrier selection, it may select carrier 0 for sidelink transmission, or may select carrier 1 for sidelink transmission , or, carrier 0 and carrier 1 may be selected for sidelink transmission. Otherwise, if the first terminal device selects another carrier for data transmission, it will cause the second terminal device to perform frequent carrier switching.
  • the first terminal device selects carrier 2 and carrier 3 for data transmission, and activates sidelink feedback
  • the second terminal device receives sidelink transmission on carrier 2 and carrier 3
  • the second terminal device sends PSCCH/PSSCH
  • the first terminal device selects a carrier for sending the sidelink information to the second terminal device according to the indication information for instructing the second terminal device to select the sidelink transmission carrier. That is, the first terminal device may select a carrier for sidelink transmission based on the sidelink transmission carrier selected by the second terminal device, so as to implement sidelink multi-carrier transmission.
  • Fig. 23 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 is a first terminal device, and the terminal device 400 includes:
  • the communication unit 410 is configured to receive the first information sent by the second terminal device; wherein the first information includes at least one of the following: the number of carriers supported by the second terminal device for simultaneous transmission, and the number of simultaneous transmission carriers supported by the second terminal device.
  • the processing unit 420 is configured to select at least one carrier according to the first information; where the at least one carrier is used to send sidelink information to the second terminal device.
  • the sidelink feedback information corresponding to the sidelink information on the at least one carrier is located in the same time slot or the same time domain symbol.
  • the number of at least one carrier is less than or equal to the number of simultaneous transmission carriers supported by the second terminal device.
  • the number of at least one carrier is less than or equal to the number of simultaneously received carriers supported by the second terminal device.
  • the first information includes at least frequency band combinations supported by the second terminal device
  • the processing unit 420 is specifically configured to: select the at least one carrier from carriers in the frequency band combination supported by the second terminal device.
  • the first information at least includes that the second terminal device does not support simultaneous transmission on carriers in different frequency bands, or if the first information includes at least that the second terminal device does not support carriers in different frequency bands receive at the same time;
  • the processing unit 420 is specifically configured to: select the at least one carrier in the same frequency band.
  • the first information includes at least carrier combinations supported by the second terminal device
  • the processing unit 420 is specifically configured to: select the at least one carrier from the combination of carriers supported by the second terminal device.
  • the at least one carrier does not include non-adjacent carriers.
  • the sidelink information sent on some or all of the at least one carrier activates sidelink feedback.
  • the processing unit 420 is further configured to perform resource selection on the at least one carrier according to the first information.
  • the first information includes at least the number of simultaneous transmission carriers supported by the second terminal device, and the number of the at least one carrier is greater than the number of simultaneous transmission carriers supported by the second terminal device;
  • the processing unit 420 is specifically used for:
  • resource selection is performed on the at least one carrier.
  • the sidelink information sent on all the carriers in the at least one carrier activates sidelink feedback
  • the sidelink information sent on the resource selected on the at least one carrier is correspondingly located in the same time slot
  • the number of carriers corresponding to the sidelink feedback information does not exceed the number of simultaneous transmission carriers supported by the second terminal device.
  • the processing unit 420 is further configured to determine whether the sidelink information sent on the at least one carrier activates sidelink feedback according to the first information.
  • the first information includes at least the number of simultaneous transmission carriers supported by the second terminal device, and the number of the at least one carrier is greater than the number of simultaneous transmission carriers supported by the second terminal device;
  • the processing unit 420 is specifically used for:
  • the processing unit 420 is specifically used for:
  • Determining that sidelink information sent on M carriers in the at least one carrier activates sidelink feedback; wherein, M is a positive integer, and M is less than or equal to the number of simultaneous transmission carriers supported by the second terminal device.
  • the first terminal device selects carriers in multiple frequency bands
  • the processing unit 420 is further configured to only activate the sidelink feedback of the sidelink information sent on the carrier in one of the multiple frequency bands.
  • the first terminal device selects multiple non-adjacent carriers
  • the processing unit 420 is further configured to only activate sidelink feedback of sidelink information sent on adjacent carriers among the plurality of carriers.
  • the lateral information includes at least one of the following:
  • the sidelink information is sidelink control information (SCI), and the sidelink control information can be transmitted on the PSCCH, or the sidelink control information is second-order SCI, which is carried by resources of the PSSCH.
  • SCI sidelink control information
  • second-order SCI which is carried by resources of the PSSCH.
  • the sidelink information is a sidelink reference signal, which can be transmitted on the PSCCH or PSSCH, and the sidelink reference signal includes any of the following: demodulation reference signal (DMRS), channel state information reference Information (CSI-RS), Phase Tracking Reference Signal (PT-RS).
  • DMRS demodulation reference signal
  • CSI-RS channel state information reference Information
  • PT-RS Phase Tracking Reference Signal
  • the side link information is side link data
  • the side link data may be transmitted on the PSSCH.
  • the communication unit before the first terminal device receives the first information sent by the second terminal device, the communication unit is further configured to send second information to the second terminal device; wherein, the second information uses to request the content included in the first information.
  • the first information is carried by PC5-RRC signaling, or, the first information is carried by a medium access control element MAC CE; and/or,
  • the second information is carried by PC5-RRC signaling, or the second information is carried by MAC CE.
  • the first information is carried by side terminal capability information UECapabilityInformationSidelink
  • the second information is carried by side terminal capability query UECapabilityEnquirySidelink.
  • the combination of frequency bands includes at least one of the following:
  • the carrier combination includes at least one of the following:
  • Carrier combination between frequency bands Carrier combination within a frequency band.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 400 may correspond to the first terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are respectively in order to realize the The corresponding process of the first terminal device in the method 200 is shown, and for the sake of brevity, details are not repeated here.
  • Fig. 24 shows a schematic block diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 is a second terminal device.
  • the terminal device 500 includes:
  • a communication unit 510 configured to send the first information to the first terminal device;
  • the first information includes at least one of the following: the number of simultaneously transmitting carriers supported by the second terminal device, the number of simultaneously receiving carriers supported by the second terminal device, the frequency band combination supported by the second terminal device, the second terminal device The combination of carriers supported by the device, whether the second terminal device supports simultaneous transmission on carriers of different frequency bands, whether the second terminal device supports simultaneous reception on carriers of different frequency bands, whether the second terminal device supports simultaneous transmission on non-adjacent carriers Simultaneous transmission on a carrier, whether the second terminal device supports simultaneous reception on a non-adjacent carrier; the first information is used for the first terminal device to select at least one carrier, and the at least one carrier is used for the first terminal device Send side traffic information to the second terminal device.
  • the sidelink feedback information corresponding to the sidelink information on the at least one carrier is located in the same time slot or the same time domain symbol.
  • the number of at least one carrier is less than or equal to the number of simultaneous transmission carriers supported by the second terminal device.
  • the number of at least one carrier is less than or equal to the number of simultaneously received carriers supported by the second terminal device.
  • the at least one carrier belongs to the frequency band combination supported by the second terminal device.
  • the first information at least includes that the second terminal device does not support simultaneous transmission on carriers in different frequency bands, or if the first information includes at least that the second terminal device does not support carriers in different frequency bands
  • the at least one carrier belongs to the same frequency band.
  • the at least one carrier belongs to the combination of carriers supported by the second terminal device.
  • the at least one carrier does not include non-adjacent carriers.
  • the sidelink information sent on some or all of the at least one carrier activates sidelink feedback.
  • the first information is also used by the first terminal device to select resources on the at least one carrier.
  • the first information includes at least the number of simultaneous transmission carriers supported by the second terminal device, and the number of the at least one carrier is greater than the number of simultaneous transmission carriers supported by the second terminal device.
  • the sidelink information sent on all the carriers in the at least one carrier activates sidelink feedback
  • the sidelink information sent on the resource selected on the at least one carrier is correspondingly located in the same time slot
  • the number of carriers corresponding to the sidelink feedback information does not exceed the number of simultaneous transmission carriers supported by the second terminal device.
  • the first information is also used by the first terminal device to determine whether the sidelink information sent on the at least one carrier activates sidelink feedback.
  • the first information includes at least the number of simultaneous transmission carriers supported by the second terminal device, and the number of the at least one carrier is greater than the number of simultaneous transmission carriers supported by the second terminal device.
  • sidelink information sent on M carriers in the at least one carrier activates sidelink feedback; wherein, M is a positive integer, and M is less than or equal to the simultaneous transmission supported by the second terminal device quantity.
  • the Sidelink feedback is activated by sidelink information transmitted on a carrier in a frequency band.
  • the multiple carriers Sidelink feedback is activated by sidelink information sent on adjacent carriers.
  • the lateral information includes at least one of the following:
  • the sidelink information is sidelink control information (SCI), and the sidelink control information can be transmitted on the PSCCH, or the sidelink control information is second-order SCI, which is carried by resources of the PSSCH.
  • SCI sidelink control information
  • second-order SCI which is carried by resources of the PSSCH.
  • the sidelink information is a sidelink reference signal, which can be transmitted on the PSCCH or PSSCH, and the sidelink reference signal includes any of the following: demodulation reference signal (DMRS), channel state information reference Information (CSI-RS), Phase Tracking Reference Signal (PT-RS).
  • DMRS demodulation reference signal
  • CSI-RS channel state information reference Information
  • PT-RS Phase Tracking Reference Signal
  • the side link information is side link data
  • the side link data may be transmitted on the PSSCH.
  • the communication unit before the second terminal device sends the first information to the first terminal device, the communication unit is further configured to receive second information sent by the first terminal device; wherein, the second information uses to request the content included in the first information.
  • the first information is carried by PC5-radio resource control RRC signaling, or the first information is carried by a medium access control element MAC CE; and/or,
  • the second information is carried by PC5-RRC signaling, or the second information is carried by MAC CE.
  • the first information is carried by side terminal capability information UECapabilityInformationSidelink
  • the second information is carried by side terminal capability query UECapabilityEnquirySidelink.
  • the combination of frequency bands includes at least one of the following:
  • the carrier combination includes at least one of the following:
  • Carrier combination between frequency bands Carrier combination within a frequency band.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • terminal device 500 may correspond to the second terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 500 are respectively in order to realize the The corresponding process of the second terminal device in the method 200 is shown, and for the sake of brevity, details are not repeated here.
  • Fig. 25 shows a schematic block diagram of a terminal device 600 according to an embodiment of the present application.
  • the terminal device 600 is a first terminal device, and the terminal device 600 includes:
  • the communication unit 610 is configured to receive first indication information sent by the second terminal device; where the first indication information is used to indicate the sidelink transmission carrier selected by the second terminal device;
  • the processing unit 620 is configured to select a carrier for sending sidelink information to the second terminal device according to the first indication information.
  • the sidelink transmission carriers selected by the second terminal device belong to different frequency bands, or, the sidelink transmission carriers selected by the second terminal device belong to the same frequency band.
  • the lateral information includes at least one of the following:
  • the first indication information is carried by PC5-radio resource control RRC signaling, or the first indication information is carried by a medium access control control element MAC CE.
  • the processing unit 620 is configured to perform carrier selection according to the detected carrier used by the second terminal device.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 600 may correspond to the first terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 600 are respectively in order to realize the The corresponding process of the first terminal device in the method 300 is shown, and for the sake of brevity, details are not repeated here.
  • Fig. 26 shows a schematic block diagram of a terminal device 700 according to an embodiment of the present application.
  • the terminal device 700 is a second terminal device.
  • the terminal device 700 includes:
  • the communication unit 710 is configured to send first indication information to the first terminal device; where the first indication information is used to indicate the sidelink transmission carrier selected by the second terminal device, and the first indication information is used by the first terminal device
  • the device selects a carrier for sending sidelink information to the second terminal device.
  • the sidelink transmission carriers selected by the second terminal device belong to different frequency bands, or, the sidelink transmission carriers selected by the second terminal device belong to the same frequency band.
  • the lateral information includes at least one of the following:
  • the first indication information is carried by PC5-radio resource control RRC signaling, or the first indication information is carried by a medium access control control element MAC CE.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • terminal device 700 may correspond to the second terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 700 are respectively in order to realize the The corresponding process of the second terminal device in the method 300 is shown, and for the sake of brevity, details are not repeated here.
  • FIG. 27 is a schematic structural diagram of a communication device 800 provided in an embodiment of the present application.
  • the communication device 800 shown in FIG. 27 includes a processor 810, and the processor 810 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 800 may further include a memory 820 .
  • the processor 810 can call and run a computer program from the memory 820, so as to implement the method in the embodiment of the present application.
  • the memory 820 may be an independent device independent of the processor 810 , or may be integrated in the processor 810 .
  • the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices, specifically, to send information or data to other devices, or Receive messages or data from other devices.
  • the transceiver 830 may include a transmitter and a receiver.
  • the transceiver 830 may further include antennas, and the number of antennas may be one or more.
  • the communication device 800 may specifically be the first terminal device in the embodiment of the present application, and the communication device 800 may implement the corresponding processes implemented by the first terminal device in each method of the embodiment of the present application, for the sake of brevity , which will not be repeated here.
  • the communication device 800 may specifically be the second terminal device in the embodiment of the present application, and the communication device 800 may implement the corresponding processes implemented by the second terminal device in each method of the embodiment of the present application, for the sake of brevity , which will not be repeated here.
  • Fig. 28 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 900 shown in FIG. 28 includes a processor 910, and the processor 910 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the device 900 may further include a memory 920 .
  • the processor 910 can invoke and run a computer program from the memory 920, so as to implement the method in the embodiment of the present application.
  • the memory 920 may be an independent device independent of the processor 910 , or may be integrated in the processor 910 .
  • the device 900 may further include an input interface 930 .
  • the processor 910 can control the input interface 930 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the device 900 may further include an output interface 940 .
  • the processor 910 can control the output interface 940 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the device can be applied to the first terminal device in the embodiment of the present application, and the device can implement the corresponding processes implemented by the first terminal device in the methods of the embodiments of the present application. For the sake of brevity, here No longer.
  • the device can be applied to the second terminal device in the embodiment of the present application, and the device can implement the corresponding process implemented by the second terminal device in each method of the embodiment of the present application. For the sake of brevity, here No longer.
  • the device mentioned in the embodiment of the present application may also be a chip.
  • it may be a system-on-a-chip, a system-on-a-chip, a system-on-a-chip, or a system-on-a-chip.
  • FIG. 29 is a schematic block diagram of a communication system 1000 provided by an embodiment of the present application. As shown in FIG. 29 , the communication system 1000 includes a first terminal device 1010 and a second terminal device 1020 .
  • the first terminal device 1010 can be used to realize the corresponding functions realized by the first terminal device in the above method
  • the second terminal device 1020 can be used to realize the corresponding functions realized by the second terminal device in the above method , for the sake of brevity, it is not repeated here.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiments may be completed by an integrated logic circuit of hardware in a 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 Program logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
  • the 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), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • 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
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is, the memory in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the first terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the first terminal device in the various methods of the embodiments of the present application , for the sake of brevity, it is not repeated here.
  • the computer-readable storage medium can be applied to the second terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding procedures implemented by the second terminal device in the various methods of the embodiments of the present application , for the sake of brevity, it is not repeated here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the first terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the first terminal device in the various methods of the embodiments of the present application, For the sake of brevity, details are not repeated here.
  • the computer program product can be applied to the second terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the second terminal device in each method of the embodiment of the present application, For the sake of brevity, details are not repeated here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the first terminal device in the embodiment of the present application.
  • the computer program executes each method in the embodiment of the present application to be realized by the first terminal device For the sake of brevity, the corresponding process will not be repeated here.
  • the computer program can be applied to the second terminal device in the embodiment of the present application.
  • the computer program executes each method in the embodiment of the present application to be realized by the second terminal device.
  • the corresponding process will not be repeated here.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of 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 may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function 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 prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .

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Abstract

本申请实施例提供了一种无线通信的方法和终端设备,可以实现侧行多载波传输。无线通信的方法,包括:第一终端设备接收第二终端设备发送的第一信息;该第一信息包括以下至少之一:该第二终端设备支持的同时发送的载波数量,该第二终端设备支持的同时接收的载波数量,该第二终端设备支持的频段组合,该第二终端设备支持的载波组合,该第二终端设备是否支持在不同频段的载波上同时发送,该第二终端设备是否支持在不同频段的载波上同时接收,该第二终端设备是否支持在非相邻的载波上同时发送,该第二终端设备是否支持在非相邻的载波上同时接收;该第一终端设备根据该第一信息选取至少一个载波,该至少一个载波用于向该第二终端设备发送侧行信息。

Description

无线通信的方法和终端设备 技术领域
本申请实施例涉及通信领域,并且更具体地,涉及一种无线通信的方法和终端设备。
背景技术
为了提高侧行系统的传输吞吐量,在侧行链路上引入了侧行多载波传输,然而,如何选取用于侧行传输的载波,是一个亟待解决的问题。
发明内容
本申请实施例提供了一种无线通信的方法和终端设备,发送端可以基于接收端的终端能力,选取用于侧行传输的载波,从而实现侧行多载波传输。
第一方面,提供了一种无线通信的方法,该方法包括:
第一终端设备接收第二终端设备发送的第一信息;其中,该第一信息包括以下至少之一:该第二终端设备支持的同时发送的载波数量,该第二终端设备支持的同时接收的载波数量,该第二终端设备支持的频段组合,该第二终端设备支持的载波组合,该第二终端设备是否支持在不同频段的载波上同时发送,该第二终端设备是否支持在不同频段的载波上同时接收,该第二终端设备是否支持在非相邻的载波上同时发送,该第二终端设备是否支持在非相邻的载波上同时接收;
该第一终端设备根据该第一信息选取至少一个载波;其中,该至少一个载波用于向该第二终端设备发送侧行信息。
第二方面,提供了一种无线通信的方法,该方法包括:
第二终端设备向第一终端设备发送第一信息;其中,
该第一信息包括以下至少之一:该第二终端设备支持的同时发送的载波数量,该第二终端设备支持的同时接收的载波数量,该第二终端设备支持的频段组合,该第二终端设备支持的载波组合,该第二终端设备是否支持在不同频段的载波上同时发送,该第二终端设备是否支持在不同频段的载波上同时接收,该第二终端设备是否支持在非相邻的载波上同时发送,该第二终端设备是否支持在非相邻的载波上同时接收;该第一信息用于该第一终端设备选取至少一个载波,且该至少一个载波用于该第一终端设备向该第二终端设备发送侧行信息。
第三方面,提供了一种无线通信的方法,该方法包括:
第一终端设备接收第二终端设备发送的第一指示信息;其中,该第一指示信息用于指示该第二终端设备选取的侧行发送载波;
该第一终端设备根据该第一指示信息选取用于向该第二终端设备发送侧行信息的载波。
第四方面,提供了一种无线通信的方法,该方法包括:
第二终端设备向第一终端设备发送第一指示信息;其中,该第一指示信息用于指示该第二终端设备选取的侧行发送载波,该第一指示信息用于该第一终端设备选取用于向该第二终端设备发送侧行信息的载波。
第五方面,提供了一种终端设备,用于执行上述第一方面中的方法。
具体地,该终端设备包括用于执行上述第一方面至第四方面中的任一方面中的方法的功能模块。
第六方面,提供了一种终端设备,包括处理器和存储器;其中,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,执行上述第一方面至第四方面中的任一方面中的方法。
第七方面,提供了一种装置,用于实现上述第一方面至第四方面中的任一方面中的方法。
具体地,该装置包括: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四方面中的任一方面中的方法。
第八方面,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四方面中的任一方面中的方法。
第九方面,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四方面中的任一方面中的方法。
第十方面,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四方面中的任一方面中的方法。
通过上述第一方面和第二方面的技术方案,第一终端设备根据第一信息选取用于向第二终端设备发送侧行信息的至少一个载波。也即,第一终端设备可以基于第二终端设备的终端能力,选取用于侧行传输的载波,从而实现侧行多载波传输。
通过上述第三方面和第四方面的技术方案,第一终端设备根据用于指示第二终端设备选取的侧行发送载波的指示信息,选取用于向第二终端设备发送侧行信息的载波。也即,第一终端设备可以基于第二终端设备选取的侧行发送载波,选取用于侧行传输的载波,从而实现侧行多载波传输。
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是本申请提供的一种网络覆盖范围内侧行通信的示意性图。
图4是本申请提供的一种部分网络覆盖侧行通信的示意性图。
图5是本申请提供的一种网络覆盖外侧行通信的示意性图。
图6是本申请提供的一种存在中央控制节点的侧行通信的示意性图。
图7是本申请提供的一种单播侧行通信的示意性图。
图8是本申请提供的一种组播侧行通信的示意性图。
图9是本申请提供的一种广播侧行通信的示意性图。
图10是本申请提供的一种NR-V2X中的时隙结构的示意性图。
图11是本申请提供的一种侧行反馈的示意性图。
图12是本申请提供的一种PSFCH和PSCCH/PSSCH的时隙结构的示意性图。
图13是本申请提供的一种侧行反馈信道的资源的示意性图。
图14是本申请提供的一种PSFCH的传输资源和PSSCH的资源的对应关系的示意性图。
图15是根据本申请实施例提供的一种无线通信的方法的示意性交互流程图。
图16至图21分别是根据本申请实施例提供的载波选取的示意性图。
图22是根据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流程图。
图23至图26分别是根据本申请实施例提供的终端设备的示意性框图。
图27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28是根据本申请实施例提供的一种装置的示意性框图。
图29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、演进的通用无线接入(Evolved Universal Terrestrial Radio Access,E-UTRA)系统、新无线(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)、物联网(internet of things,IoT)、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。
在一些实施例中,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。
在一些实施例中,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。
在一些实施例中,本申请实施例中的通信系统可以应用于FR1频段(对应频段范围410MHz到7.125GHz),也可以应用于FR2频段(对应频段范围24.25GHz到52.6GHz),还可以应用于新的频段例如对应52.6GHz到71GHz频段范围或对应71GHz到114.25GHz频段范围的高频频段。
在一些实施例中,本申请实施例可应用于非地面通信网络(Non-Terrestrial Networks,NTN)系统,也可应用于地面通信网络(Terrestrial Networks,TN)系统。
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、车载通信设备、无线通信芯片/专用集成电路(application specific integrated circuit,ASIC)/系统级芯片(System on Chip,SoC)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。在一些实施例中,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。在一些实施例中,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。
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。
需要说明的是,在侧行通信中,根据进行通信的终端所处的网络覆盖情况,可以分为网络覆盖内侧行通信,如图3所示;部分网络覆盖侧行通信,如图4所示;及网络覆盖外侧行通信,如图5所示。
图3:在网络覆盖内侧行通信中,所有进行侧行通信的终端均处于基站的覆盖范围内,从而,上述终端均可以通过接收基站的配置信令,基于相同的侧行配置进行侧行通信。
图4:在部分网络覆盖侧行通信情况下,部分进行侧行通信的终端位于基站的覆盖范围内,这部分终端能够接收到基站的配置信令,而且根据基站的配置进行侧行通信。而位于网络覆盖范围外的终端,无法接收基站的配置信令,在这种情况下,网络覆盖范围外的终端将根据预配置(pre-configuration)信息及位于网络覆盖范围内的终端发送的物理侧行广播信道(Physical Sidelink Broadcast Channel,PSBCH)中携带的信息确定侧行配置,进行侧行通信。
图5:对于网络覆盖外侧行通信,所有进行侧行通信的终端均位于网络覆盖范围外,所有终端均根据预配置(pre-configuration)信息确定侧行配置进行侧行通信。
图6:对于有中央控制节点的侧行通信,多个终端构成一个通信组,该通信组内具有中央控制节点,又可以称为组头终端(Cluster Header,CH),该中央控制节点具有以下功能之一:负责通信组的建立;组成员的加入、离开;进行资源协调,为其他终端分配侧行传输资源,接收其他终端的侧行反馈信息;与其他通信组进行资源协调等功能。
需要说明的是,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,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。在3GPP定义了两种传输模式,分别记为:第一模式(sidelink resource allocation mode 1)和第二模式(sidelink resource allocation mode 2)。
第一模式:终端的传输资源是由基站分配的,终端根据基站分配的资源在侧行链路上进行数据的发送;基站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。如图3所示,终端位于网络覆盖范围内,网络为终端分配侧行传输使用的传输资源。
第二模式:终端在资源池中选取一个资源进行数据的传输。如图5所示,终端位于小区覆盖范围外,终端在预配置的资源池中自主选取传输资源进行侧行传输;或者,如图3所示,终端在网络配置的资源池中自主选取传输资源进行侧行传输。
在新空口-车辆到其他设备(New Radio-Vehicle to Everything,NR-V2X)中,支持自动驾驶,因此对车辆之间数据交互提出了更高的要求,如更高的吞吐量、更低的时延、更高的可靠性、更大的覆盖范围、更灵活的资源分配等。
在LTE-V2X中,支持广播传输方式,在NR-V2X中,引入了单播和组播的传输方式。对于单播传输,其接收端终端只有一个终端,如图7所示,UE1、UE2之间进行单播传输;对于组播传输,其接收端是一个通信组内的所有终端,或者是在一定传输距离内的所有终端,如图8所示,UE1、UE2、UE3和UE4构成一个通信组,其中UE1发送数据,该组内的其他终端设备都是接收端终端;对于广 播传输方式,其接收端是发送端终端周围的任意一个终端,如图9所示,UE1是发送端终端,其周围的其他终端,UE2-UE6都是接收端终端。
为便于更好的理解本申请实施例,对本申请相关的NR-V2X系统帧结构进行说明。
NR-V2X中的时隙结构图10所示,图10中的(a)表示时隙中不包括物理侧行反馈信道(Physical Sidelink Feedback Channel,PSFCH)的时隙结构;图10中的图(b)表示包括PSFCH的时隙结构。
NR-V2X中物理侧行控制信道(Physical Sidelink Control Channel,PSCCH)在时域上从该时隙的第二个侧行符号开始,占用2个或3个正交频分复用(Orthogonal frequency-division multiplexing,OFDM)符号,在频域上可以占用{10,12 15,20,25}个物理资源块(physical resource block,PRB)。为了降低UE对PSCCH的盲检测的复杂度,在一个资源池内只允许配置一个PSCCH符号个数和PRB个数。另外,因为子信道为NR-V2X中物理侧行共享信道(Physical Sidelink Shared Channel,PSSCH)资源分配的最小粒度,PSCCH占用的PRB个数必须小于或等于资源池内一个子信道中包含的PRB个数,以免对PSSCH资源选择或分配造成额外的限制。PSSCH在时域上也是从该时隙的第二个侧行符号开始,该时隙中的最后一个时域符号为保护间隔(Guard Period,GP)符号,其余符号映射PSSCH。该时隙中的第一个侧行符号是第二个侧行符号的重复,通常接收端终端将第一个侧行符号用作自动增益控制(Auto gain control,AGC)符号,该符号上的数据通常不用于数据解调。PSSCH在频域上占据M个子信道,每个子信道包括N个连续的PRB。如图10中的(a)所示。
当时隙中包含PSFCH信道时,该时隙中倒数第二个符号和倒数第三个符号用作PSFCH信道传输,并且倒数第三个符号上的数据是倒数第二个符号上数据的重复,在PSFCH信道之前的一个时域符号用作GP符号,如图10中的(b)所示。
为便于更好的理解本申请实施例,对本申请相关的侧行反馈信道进行说明。
在NR-V2X中,为了提高可靠性,引入了侧行反馈信道。例如,对于单播传输,发送端终端向接收端终端发送侧行数据(包括PSCCH和PSSCH),接收端终端向发送端终端发送混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)反馈信息(包括肯定应答(Acknowledgement,ACK)或否定应答(Negative Acknowledgement,NACK)),发送端终端根据接收端终端的反馈信息判断是否需要进行重传。其中,HARQ反馈信息承载在侧行反馈信道中,例如PSFCH。如图11所示。
可以通过预配置信息、网络配置信息或发送端终端激活或者去激活侧行反馈,如果侧行反馈被激活,则接收端终端接收发送端终端发送的侧行数据,并且根据检测结果向发送端反馈HARQ ACK或者NACK,发送端终端根据接收端的反馈信息决定发送重传数据或者新数据;如果侧行反馈被去激活,接收端终端不需要发送反馈信息,发送端终端通常采用盲重传的方式发送数据,例如,发送端终端对每个侧行数据重复发送K次,而不是根据接收端终端反馈信息决定是否需要发送重传数据。
为便于更好的理解本申请实施例,对本申请相关的侧行反馈信道的格式进行说明。
在NR-V2X中,引入了侧行反馈信道PSFCH,该PSFCH只承载1比特的HARQ-ACK信息,在时域上占据2个时域符号(第二个符号承载侧行反馈信息,第一个符号上的数据是第二个符号上数据的复制,但是该符号用作AGC),频域上占据1个PRB。在一个时隙中,PSFCH和PSSCH/PSCCH的结构如图12(或图10中的(b))所示,图12中示意性的给出了在一个时隙中PSFCH、PSCCH、和PSSCH所占的时域符号的位置。在一个时隙中,最后一个符号用作GP,倒数第二个符号用于PSFCH传输,倒数第三个符号数据和PSFCH符号的数据相同,用做AGC,倒数第四个符号也用作GP,时隙中的第一个符号用作AGC,该符号上的数据和该时隙中第二个时域符号上的数据相同,PSCCH占据3个时域符号,剩余的符号可用于PSSCH传输。
为便于更好的理解本申请实施例,对本申请相关的侧行反馈信道的资源进行说明。
为了降低PSFCH信道的开销,定义在每N个时隙中的一个时隙包括PSFCH传输资源,即侧行反馈资源的周期是N个时隙,其中N=1、2、4,参数N是预配置或者网络配置的,N=4的示意图如图13所示。其中,时隙2、3、4、5中传输的PSSCH,其反馈信息都是在时隙7中传输的,因此可以把时隙{2、3、4、5}看做一个时隙集合,该时隙集合中传输的PSSCH,其对应的PSFCH是在相同的时隙中。
侧行反馈信道的资源可以根据侧行数据PSSCH所在的时隙、以及占用的子带的起始位置确定,如图14所示:其中N=4,在不同时隙相同子带起始位置传输的PSSCH,分别对应反馈时隙中的不同的PSFCH资源。
为便于更好的理解本申请实施例,对本申请相关的侧行多载波进行说明。
为了提高侧行传输系统的吞吐量,在侧行链路上可以支持多载波传输。在车联网系统中,引入了多载波传输方案,终端的数据可以在一个或者多个载波上进行传输,因此存在传输载波选取的问题,一种方式就是根据各个载波的信道占用率(channel busy ratio,CBR),终端选取CBR最低的载波进 行数据传输。CBR反映的是过去100ms或100个时隙内的信道占用情况,CBR越低,表示系统资源占用率越低,可用资源越多;CBR越高,表示系统资源占用率越高,越拥塞,容易发生传输冲突和干扰。
如果在NR侧行(Sidelink,SL)系统中引入侧行多载波传输,如何进行载波选取是需要解决的问题。
基于上述问题,本申请提出了一种选取侧行载波的方案,从而实现侧行多载波传输。
以下通过具体实施例详述本申请的技术方案。
图15是根据本申请实施例的无线通信的方法200的示意性交互流程图,如图15所示,该无线通信的方法200可以包括如下内容中的至少部分内容:
S210,第二终端设备向第一终端设备发送第一信息;其中,该第一信息包括以下至少之一:该第二终端设备支持的同时发送的载波数量,该第二终端设备支持的同时接收的载波数量,该第二终端设备支持的频段组合,该第二终端设备支持的载波组合,该第二终端设备是否支持在不同频段的载波上同时发送,该第二终端设备是否支持在不同频段的载波上同时接收,该第二终端设备是否支持在非相邻的载波上同时发送,该第二终端设备是否支持在非相邻的载波上同时接收;
S220,该第一终端设备接收该第二终端设备发送的该第一信息;
S230,该第一终端设备根据该第一信息选取至少一个载波;其中,该至少一个载波用于向该第二终端设备发送侧行信息。
在本申请实施例中,第一信息所包括的内容可以是第二终端设备的终端能力信息,或者,第一信息包含在第二终端设备的终端能力信息中,也即,第一终端设备可以基于第二终端设备的终端能力信息,选取用于侧行传输的载波,从而实现侧行多载波传输。
在一些实施例中,该频段组合(Band combination)包括但不限于以下至少之一:
E-UTRA和NR的频段组合,NR和NR的频段组合。
在一些实施例中,该载波组合包括但不限于以下至少之一:
频段间(inter-band)的载波组合,频段内(intra-band)的载波组合。
在一些实施例中,该第一终端设备可以是发送端终端,该第二终端设备可以是接收端终端。
在一些实施例中,发送端终端和接收端终端之间可以交互终端能力信息。其中,该终端能力信息可以包括但不限于以下至少一种:
支持的同时发送的载波个数:即终端同时进行侧行发送的载波个数;
支持的同时接收的载波个数:即终端同时进行侧行接收的载波个数;
支持的频段组合:包括EUTRA和NR的频段组合,以及NR和NR频段的组合;
支持的载波组合:包括频段间(inter-band)的载波组合和/或频段内(intra-band)的载波组合;
是否支持在不同频段的载波上同时发送;
是否支持在不同频段的载波上同时接收;
是否支持在非相邻的载波上同时发送;
是否支持在非相邻的载波上同时接收。
应理解,终端支持的频段组合即可以包括终端支持的进行侧行接收的频段组合,也可以包括终端支持的进行侧行发送的频段组合。
应理解,终端支持的载波组合即可以包括终端支持的进行侧行接收的载波组合,也可以包括终端支持的进行侧行发送的载波组合。
在一些实施例中,该第一信息通过PC5-无线资源控制(Radio Resource Control,RRC)信令承载。例如,该第一信息可以占用PC5-RRC信令中的一个或多个元素,或者,该第一信息可以占用PC5-RRC信令中的一个或多个字段,或者,该第一信息可以占用PC5-RRC信令中的一个或多个域。
在一些实施例中,该第一信息通过媒体接入控制控制元素(Media Access Control Control Element,MAC CE)承载。例如,该第一信息可以占用MAC CE中的一个或多个元素,或者,该第一信息可以占用MAC CE中的一个或多个字段,或者,该第一信息可以占用MAC CE中的一个或多个域。
在一些实施例中,在该第一终端设备接收该第二终端设备发送的该第一信息之前,该第一终端设备向该第二终端设备发送第二信息;其中,该第二信息用于请求该第一信息所包括的内容。
在一些实施例中,该第一信息通过侧行终端能力信息(UECapabilityInformationSidelink)承载,和/或,该第二信息通过侧行终端能力查询(UECapabilityEnquirySidelink)承载。
在一些实施例中,该第二信息通过PC5-RRC信令承载。例如,该第二信息可以占用PC5-RRC信令中的一个或多个元素,或者,该第二信息可以占用PC5-RRC信令中的一个或多个字段,或者,该第二信息可以占用PC5-RRC信令中的一个或多个域。
在一些实施例中,该第二信息通过MAC CE承载。例如,该第二信息可以占用MAC CE中的一个或多个元素,或者,该第二信息可以占用MAC CE中的一个或多个字段,或者,该第二信息可以占用MAC CE中的一个或多个域。
也即,在本申请实施例中,该第二终端设备可以自主向该第一终端设备发送该第一信息;该第二终端设备也可以基于该第一终端设备的请求向该第一终端设备发送该第一信息。
具体例如,如图16所示,第二终端设备通过侧行终端能力信息(UECapabilityInformationSidelink)自主的将自身的终端能力信息发送给第一终端设备。
具体例如,如图17所示,第二终端设备在第一终端设备发送的侧行终端能力查询(UECapabilityEnquirySidelink)请求下,通过侧行终端能力信息(UECapabilityInformationSidelink)将自身的终端能力信息发送给第一终端设备。
在一些实施例中,该侧行信息包括但不限于以下至少之一:
侧行控制信息,侧行参考信号,侧行数据。
例如,该侧行信息为侧行控制信息(Sidelink Control Information,SCI),该侧行控制信息可以在PSCCH上传输,或者,该侧行控制信息是第二阶SCI,通过PSSCH的资源承载。
又例如,该侧行信息为侧行参考信号,该侧行参考信号可以在PSCCH或PSSCH上传输,该侧行参考信号包括以下中任意一种:解调参考信号(Demodulation Reference Signal,DMRS)、信道状态信息参考信息(Channel State Information Reference Signal,CSI-RS)、相位跟踪参考信号(Phase Tracking Reference Signal,PT-RS)。
再例如,该侧行信息为侧行数据,该侧行数据可以在PSSCH上传输。
在一些实施例中,若该至少一个载波上发送的侧行信息激活了侧行反馈,该至少一个载波上的侧行信息对应的侧行反馈信息位于相同的时隙或相同的时域符号。例如,该侧行信息为PSSCH上传输的侧行数据,该侧行信息对应的侧行反馈信息在PSFCH上传输。其中,该侧行反馈信息例如为HARQ反馈信息(包括ACK或NACK)。
需要说明的是,该第一终端设备在该至少一个载波上发送的侧行信息可以位于相同的时隙,也可以位于不同的时隙,但是,侧行信息对应的侧行反馈信息位于相同的时隙。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时发送的载波数量,该至少一个载波的数量小于或等于该第二终端设备支持的同时发送的载波数量。
也即,当第一终端设备获知第二终端设备支持的同时发送的载波数量时,第一终端设备可以根据第二终端设备支持的同时发送的载波数量进行载波选取。具体例如,该第一终端设备选取的该至少一个载波的数量小于或等于该第二终端设备支持的同时发送的载波数量。
例如,当第一终端设备通过选取的载波向第二终端设备发送PSSCH,并且激活了PSSCH上发送的侧行信息的侧行反馈,第一终端设备期望第二终端设备在选取的载波上分别发送PSFCH,且第二终端设备支持的同时发送的载波数为N个,第一终端设备只能选取小于等于N个载波发送PSSCH,以保证第二终端设备发送PSFCH时不会超过其最大发送能力。
具体例如,如图18所示,系统配置4个载波,并且每个载波上都配置PSFCH资源,4个载波上配置的PSFCH资源相同,PSSCH和与其关联的PSFCH之间的最小时间间隔是2个时隙,因此,在时隙2/3/4/5上发送的PSSCH,其对应的PSFCH都是位于时隙7。第一终端设备和第二终端设备之间通过PC5-RRC信令交互终端能力信息,第一终端设备获知第二终端设备支持的同时发送的最大载波个数为2,因此,对于待发送的PSCCH/PSSCH,如果激活了侧行反馈,则第一终端设备在进行载波选取时,选取的载波数不能超过2个,否则有可能导致第二终端设备在反馈PSFCH时超过了其支持的同时发送的最大载波数,从而导致某些载波上无法反馈PSFCH。例如,如果第一终端设备选取了载波0/1/2,并且选取的时隙分别是时隙2/3/4,就会导致第二终端设备在时隙7需要从3个载波上同时发送PSFCH,超出了第二终端设备能够支持的同时发送的最大载波数。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时接收的载波数量,该至少一个载波的数量小于或等于该第二终端设备支持的同时接收的载波数量。也即,当第一终端设备获知第二终端设备支持的同时接收的载波数量时,第一终端设备可以根据第二终端设备支持的同时接收的载波数量进行载波选取。具体例如,该第一终端设备选取的该至少一个载波的数量小于或等于该第二终端设备支持的同时接收的载波数量。
例如,第一终端设备获知第二终端设备支持的同时接收的载波个数最大为2个时,第一终端设备在进行载波选取时,不能选取超过2个载波同时进行发送,否则第二终端设备无法接收部分载波上的数据。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的频段组合;该第一终端设备在该 第二终端设备支持的频段组合内的载波中选取该至少一个载波。也即,在上述S230中,第一终端设备根据第二终端设备支持的频段组合进行载波选取,不能在其他频段组合内选取载波同时进行发送。
例如,如图19所示,系统配置3个频段,即频段1、频段2和频段3,频段1内包括载波0和载波1,频段2内包括载波2,频段3内包括载波3。第二终端设备只支持频段1和频段2的组合,因此,第一终端设备在进行载波选取时只能选取频段1和频段2内的载波,如第一终端设备选取载波0和载波2进行侧行传输,或者,第一终端设备选取载波1和载波2进行侧行传输,而第一终端设备不能同时选取频段1和频段3内的载波,或者,第一终端设备不能同时选取频段2和频段3内的载波。
在一些实施例中,在第一终端设备根据第二终端设备支持的频段组合进行载波选取的过程中,还可以结合第二终端设备支持的同时接收的载波数量,或者,结合第二终端设备支持的同时发送的载波数量,在此不再赘述。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在不同频段的载波上同时发送,该第一终端设备在同一频段内选取该至少一个载波。或者,若该第一信息至少包括该第二终端设备不支持在不同频段的载波上同时接收;该第一终端设备在同一频段内选取该至少一个载波。也即,在上述S230中,该第一终端设备只能在同一个频段内选取载波,而不能同时选取不同频段内的载波进行发送。
具体例如,如图20所示,侧行系统支持2个频段,即频段1和频段2;每个频段内包括2个载波,频段1内包括的载波分别为载波0和载波1,频段2内包括的载波分别为载波2和载波3;如果第二终端设备不支持在不同频段内同时发送,则第一终端设备在进行载波选取时只能选取1个频段内的载波,例如,第一终端设备选取频段1内的载波0,或者,第一终端设备选取频段1内的载波1,或者,第一终端设备选取频段1内的载波0和载波1,或者,第一终端设备选取频段2内的载波2,或者,第一终端设备选取频段2内的载波3,或者,第一终端设备选取频段2内的载波2和载波3。此时,第一终端设备在至少一个载波上发送的PSSCH可以激活侧行反馈,也可以去激活侧行反馈,即对激活或去激活侧行反馈没有限定。第一终端设备不能同时选取两个频段内的载波,如同时选取频段1内的载波1和频段2内的载波2。
在一些实施例中,在第一终端设备在同一频段内进行载波选取的过程中,还可以结合第二终端设备支持的同时接收的载波数量,或者,结合第二终端设备支持的同时发送的载波数量,在此不再赘述。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的载波组合;该第一终端设备在该第二终端设备支持的载波组合内选取该至少一个载波。也即,在上述S230中,第一终端设备根据第二终端设备支持的载波组合进行载波选取,不能在其他载波组合内选取载波同时进行发送。
具体例如,如图21所示,系统配置4个载波,即载波0、载波1、载波2和载波3。这4个载波可以属于同一频段或不同频段,本实施例不做限定。第二终端设备支持载波0和载波1的组合以及支持载波2和载波3的组合,因此,第一终端设备在进行载波选取时只能选取载波0和载波1进行数据发送,或者,第一终端设备选取载波2和载波3进行数据发送。而不能选取其他载波组合进行数据发送,如第一终端设备不能选取载波1和载波2的组合,或者,第一终端设备不能选取载波0和载波2的组合,或者,第一终端设备不能选取载波1和载波3的组合,或者,第一终端设备不能选取载波0和载波3的组合。当然,第一终端设备也不能选取任意的3个或4个载波的组合进行侧行发送。
在一些实施例中,在第一终端设备在第二终端设备支持的载波组合内进行载波选取的过程中,还可以结合第二终端设备支持的同时接收的载波数量,或者,结合第二终端设备支持的同时发送的载波数量,在此不再赘述。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在非相邻的载波上同时发送,该至少一个载波中不包括非相邻的载波。或者,若该第一信息至少包括该第二终端设备不支持在非相邻的载波上同时接收,该至少一个载波中不包括非相邻的载波。也即,在上述S230中,该第一终端设备只能选取相邻载波,而不能同时选取不相邻的载波进行发送。
具体例如,如图21所示,系统配置4个载波,即载波0、载波1、载波2和载波3。这4个载波是属于同一频段内的4个相邻载波。如果第二终端设备不支持在非相邻载波同时发送,则第一终端设备在进行载波选取时只能选取相邻的载波,例如,选取任意相邻的2个载波的组合:如第一终端设备选取载波0和载波1,或者,第一终端设备选取载波1和载波2,或者,第一终端设备选取载波2和载波3。第一终端设备也可以选取任意相邻的3个载波的组合:如第一终端设备选取载波0、载波1和载波2,或者,第一终端设备选取载波1、载波2和载波3。第一终端设备也可以选取所有的4个载波;而第一终端设备不能同时选取不相邻的载波,如第一终端设备不能同时选取载波1和载波3,或者,第一终端设备不能同时选取载波2和载波4。另外,当第一终端设备利用选取的多个相邻载波发送PSSCH时,需要对该多个相邻的载波中的一部分相邻的载波同时激活侧行反馈。例如,当第一 终端设备选取载波0、载波1和载波2发送PSSCH时,第一终端设备可以同时激活3个载波上的PSSCH的侧行反馈,或者,第一终端设备可以同时去激活3个载波上的PSSCH的侧行反馈。或者,第一终端设备对载波0和载波1上的PSSCH激活侧行反馈,对载波2上的PSSCH去激活侧行反馈。或者,第一终端设备对载波0上的PSSCH去激活侧行反馈,对载波1和载波2上的PSSCH激活侧行反馈。或者,第一终端设备对载波0上的PSSCH激活侧行反馈,对载波1和载波2上的PSSCH去激活侧行反馈。或者,第一终端设备对载波0和载波1上的PSSCH去激活侧行反馈,对载波2上的PSSCH激活侧行反馈。通过上述方式可以保证第二终端设备在发送PSFCH时,是在相邻的载波上进行发送。
在一些实施例中,该至少一个载波中的部分或全部载波上发送的该侧行信息激活了侧行反馈。
在一些实施例中,该第一终端设备根据该第一信息在该至少一个载波上进行资源选取。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时发送的载波数量,且该至少一个载波的数量大于该第二终端设备支持的同时发送的载波数量;该第一终端设备根据该第二终端设备支持的同时发送的载波数量,在该至少一个载波上进行资源选取。
在一些实施例中,若该至少一个载波中的全部载波上发送的该侧行信息激活了侧行反馈,在该至少一个载波上选取的资源上发送的该侧行信息对应的位于相同时隙的侧行反馈信息所对应的载波数量不超过该第二终端设备支持的同时发送的载波数量。
具体例如,当第一终端设备通过选取的载波向第二终端设备发送PSSCH,并且激活了PSSCH上发送的侧行信息的侧行反馈,在确定PSSCH的传输资源时需要考虑到第二终端设备同时发送PSFCH的载波个数,使得第二终端设备同时发送PSFCH的载波数不超过其最大发送能力。
例如,如图18所示,第二终端设备支持的同时发送的最大载波数为2,则第一终端设备在发送PSCCH/PSSCH时,如果选取的发送载波数不超过2个,则对第一终端设备在各个载波上的资源选取没有限制;如果选取的发送载波数超过2个,为了避免第二终端设备同时发送PSFCH的载波数超过2个,需要对第一终端设备的资源选取进行限制。例如,第一终端设备选取了3个载波用于发送PSCCH/PSSCH,对应载波0、载波1、载波2;第一终端设备在载波0/1上分别选取了时隙2/3上的传输资源,则第一终端设备在载波2上选取传输资源时,不能选取时隙2、时隙3、时隙4或时隙5上的传输资源,否则就会导致第二终端设备在时隙7需要同时在3个载波上发送PSFCH,超过第二终端设备的能力了。因此,第一终端设备在载波2上需要选取除了时隙2、时隙3、时隙4和时隙5之外的其他时隙上的传输资源,例如,选取时隙6上的传输资源,其对应的PSFCH位于时隙11,因此,第二终端设备在时隙7在载波0和载波1上分别反馈载波0和载波1上发送的PSSCH的反馈信息,以及在时隙11反馈载波2发送的PSSCH的反馈信息。
在一些实施例中,该第一终端设备根据该第一信息确定在该至少一个载波上发送的该侧行信息是否激活侧行反馈。例如,第一终端设备在至少一个载波上发送PSSCH时,根据第二终端设备支持的同时发送的载波数量确定是否激活侧行反馈。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时发送的载波数量,且该至少一个载波的数量大于该第二终端设备支持的同时发送的载波数量;该第一终端设备根据该第二终端设备支持的同时发送的载波数量,确定在该至少一个载波上发送的该侧行信息是否激活侧行反馈。在一些实施例中,该第一终端设备确定在该至少一个载波中的M个载波上发送的侧行信息激活侧行反馈;其中,M为正整数,且M小于或等于该第二终端设备支持的同时发送的载波数量。
例如,如图18所示,第二终端设备支持的同时发送的最大载波数为2,则第一终端设备在发送PSCCH/PSSCH时,如果选取的发送载波数不超过2个,则对第一终端设备在各个载波上的资源选取没有限制;如果选取的发送载波数超过2个,为了避免第二终端设备同时发送PSFCH的载波数超过2个,需要确定是否激活侧行反馈。例如,第一终端设备选取了3个载波用于发送PSCCH/PSSCH,对应载波0、载波1、载波2;第一终端设备在载波0、载波1、载波2上分别选取了时隙2、时隙3、时隙4上的传输资源,则第一终端设备只能对其中至多2个载波上的PSSCH激活侧行反馈,否则就会导致第二终端设备在时隙7需要同时在3个载波上发送PSFCH,超过第二终端设备的能力了。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在不同频段的载波上同时发送,且该第一终端设备选取了多个频段内的载波;该第一终端设备仅激活该多个频段中的一个频段内的载波上发送的侧行信息的侧行反馈。
具体例如,当第一终端设备在选取了不同频段内载波时,只能在一个频段内发送的PSSCH激活侧行反馈,对于其他频段内发送的PSSCH需要去激活侧行反馈。如图20所示,如果第二终端设备不支持在不同频段内同时发送,则第一终端设备在进行资源选取时,如果选取了不同频段内的载波,如同时选取频段1内的载波1和频段2内的载波2,则第一终端设备只能对载波1的PSSCH激活侧行反馈,对载波2的PSSCH去激活侧行反馈,或者反之,对载波1的PSSCH去激活侧行反馈,对载波 2的PSSCH激活侧行反馈;从而保证第二终端设备不会在载波1和载波2上同时发送PSFCH。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在非相邻的载波上同时发送,且该第一终端设备选取了非相邻的多个载波;该第一终端设备仅激活该多个载波中相邻的载波上发送的侧行信息的侧行反馈。
具体例如,当第一终端设备选取了非相邻的多个载波时,只能在该多个载波内的相邻的载波上发送的PSSCH激活侧行反馈,对于其他载波上发送的PSSCH需要去激活侧行反馈。如图21所示,如果第二终端设备不支持在不同频段内同时发送,则第一终端设备在进行资源选取时,如果选取了非相邻的载波,如同时选取载波1和载波3,则第一终端设备只能对载波1的PSSCH激活侧行反馈,对载波3的PSSCH去激活侧行反馈,或者反之,对载波1的PSSCH去激活侧行反馈,对载波3的PSSCH激活侧行反馈;从而保证第二终端设备不会在载波1和载波3上同时发送PSFCH。又例如,第一终端设备同时选取载波0、载波1和载波3,则第一终端设备只能对载波0和/或载波1的PSSCH激活侧行反馈,对载波3的PSSCH去激活侧行反馈,或者反之,对载波0和载波1的PSSCH去激活侧行反馈,对载波3的PSSCH激活侧行反馈;从而保证第二终端设备不会在非相邻载波上同时发送PSFCH。
因此,在本申请实施例中,第一终端设备根据第一信息选取用于向第二终端设备发送侧行信息的至少一个载波。也即,第一终端设备可以基于第二终端设备的终端能力,选取用于侧行传输的载波,从而实现侧行多载波传输。
图22是根据本申请实施例的无线通信的方法300的示意性交互流程图,如图22所示,该无线通信的方法300可以包括如下内容中的至少部分内容:
S310,第二终端设备向第一终端设备发送第一指示信息;其中,该第一指示信息用于指示该第二终端设备选取的侧行发送载波,该第一指示信息用于该第一终端设备选取用于向该第二终端设备发送侧行信息的载波;
S320,该第一终端设备接收该第二终端设备发送的该第一指示信息;
S330,该第一终端设备根据该第一指示信息选取用于向该第二终端设备发送侧行信息的载波。
在一些实施例中,该第一终端设备可以是发送端终端,该第二终端设备可以是接收端终端。
在一些实施例中,该第二终端设备选取的侧行发送载波属于不同的频段,或者,该第二终端设备选取的侧行发送载波属于相同的频段。
在一些实施例中,该侧行信息包括以下至少之一:
侧行控制信息,侧行参考信号,侧行数据。
例如,该侧行信息为侧行控制信息,该侧行控制信息可以在PSCCH上传输,或者,该侧行控制信息是第二阶SCI,通过PSSCH的资源承载。
又例如,该侧行信息为侧行参考信号,该侧行参考信号可以在PSCCH或PSSCH上传输,该侧行参考信号包括以下中任意一种:解调参考信号(DMRS)、信道状态信息参考信息(CSI-RS)、相位跟踪参考信号(PT-RS)。
再例如,该侧行信息为侧行数据,该侧行数据可以在PSSCH上传输。
在一些实施例中,该第一指示信息通过PC5-RRC信令承载。例如,该第一指示信息可以占用PC5-RRC信令中的一个或多个元素,或者,该第一指示信息可以占用PC5-RRC信令中的一个或多个字段,或者,该第一指示信息可以占用PC5-RRC信令中的一个或多个域。
在一些实施例中,该第一指示信息通过MAC CE承载。例如,该第一指示信息可以占用MAC CE中的一个或多个元素,或者,该第一指示信息可以占用MAC CE中的一个或多个字段,或者,该第一指示信息可以占用MAC CE中的一个或多个域。
例如,侧行系统支持4个载波,即载波0、载波1、载波2和载波3。该4个载波可以属于同一频段,也可以属于不同频段,本实施例不做限定。第一终端设备接收第二终端设备发送的第一指示信息,该第一指示信息指示第二终端设备选取了载波0和载波1进行侧行发送,则第一终端设备进行载波选取时,可以选取载波0进行侧行发送,或者,可以选取载波1进行侧行发送,或者,可以选取载波0和载波1进行侧行发送。
在一些实施例中,第一终端设备根据检测到的第二终端设备使用的载波进行载波选取。例如,第一终端设备在载波0和载波1上检测到第二终端设备发送的侧行数据,没有在载波2和载波3上检测到第二终端设备发送的侧行数据,因此,第一终端设备可以确定第二终端设备选取的侧行发送载波包括载波0和载波1,则第一终端设备在进行载波选取时,可以选取载波0进行侧行发送,或者,可以选取载波1进行侧行发送,或者,可以选取载波0和载波1进行侧行发送。否则,如果第一终端设备选取其他载波进行数据发送,会导致第二终端设备进行频繁的载波切换。例如,当第一终端设备选取 载波2和载波3上进行数据发送时,并且激活侧行反馈,当第二终端设备在载波2和载波3上接收到侧行传输时,需要在载波2和载波3上发送PSFCH,但是当第二终端设备发送PSCCH/PSSCH时,又需要切换到载波0和载波1上进行发送,会导致第二终端设备发送PSFCH和PSCCH/PSSCH使用不同的载波,频繁的发生载波切换。
因此,在本申请实施例中,第一终端设备根据用于指示第二终端设备选取的侧行发送载波的指示信息,选取用于向第二终端设备发送侧行信息的载波。也即,第一终端设备可以基于第二终端设备选取的侧行发送载波,选取用于侧行传输的载波,从而实现侧行多载波传输。
上文结合图15至图22,详细描述了本申请的方法实施例,下文结合图23至图26,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23示出了根据本申请实施例的终端设备400的示意性框图。如图23所示,该终端设备400为第一终端设备,该终端设备400包括:
通信单元410,用于接收第二终端设备发送的第一信息;其中,该第一信息包括以下至少之一:该第二终端设备支持的同时发送的载波数量,该第二终端设备支持的同时接收的载波数量,该第二终端设备支持的频段组合,该第二终端设备支持的载波组合,该第二终端设备是否支持在不同频段的载波上同时发送,该第二终端设备是否支持在不同频段的载波上同时接收,该第二终端设备是否支持在非相邻的载波上同时发送,该第二终端设备是否支持在非相邻的载波上同时接收;
处理单元420,用于根据该第一信息选取至少一个载波;其中,该至少一个载波用于向该第二终端设备发送侧行信息。
在一些实施例中,若该至少一个载波上发送的该侧行信息激活了侧行反馈,该至少一个载波上的该侧行信息对应的侧行反馈信息位于相同的时隙或相同的时域符号。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时发送的载波数量,该至少一个载波的数量小于或等于该第二终端设备支持的同时发送的载波数量。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时接收的载波数量,该至少一个载波的数量小于或等于该第二终端设备支持的同时接收的载波数量。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的频段组合;
该处理单元420具体用于:在该第二终端设备支持的频段组合内的载波中选取该至少一个载波。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在不同频段的载波上同时发送,或者,若该第一信息至少包括该第二终端设备不支持在不同频段的载波上同时接收;
该处理单元420具体用于:在同一频段内选取该至少一个载波。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的载波组合;
该处理单元420具体用于:在该第二终端设备支持的载波组合内选取该至少一个载波。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在非相邻的载波上同时发送,或者,若该第一信息至少包括该第二终端设备不支持在非相邻的载波上同时接收,该至少一个载波中不包括非相邻的载波。
在一些实施例中,该至少一个载波中的部分或全部载波上发送的该侧行信息激活了侧行反馈。
在一些实施例中,该处理单元420还用于根据该第一信息在该至少一个载波上进行资源选取。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时发送的载波数量,且该至少一个载波的数量大于该第二终端设备支持的同时发送的载波数量;
该处理单元420具体用于:
根据该第二终端设备支持的同时发送的载波数量,在该至少一个载波上进行资源选取。
在一些实施例中,若该至少一个载波中的全部载波上发送的该侧行信息激活了侧行反馈,在该至少一个载波上选取的资源上发送的该侧行信息对应的位于相同时隙的侧行反馈信息所对应的载波数量不超过该第二终端设备支持的同时发送的载波数量。
在一些实施例中,该处理单元420还用于根据该第一信息确定在该至少一个载波上发送的该侧行信息是否激活侧行反馈。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时发送的载波数量,且该至少一个载波的数量大于该第二终端设备支持的同时发送的载波数量;
该处理单元420具体用于:
根据该第二终端设备支持的同时发送的载波数量,确定在该至少一个载波上发送的该侧行信息是否激活侧行反馈。
在一些实施例中,该处理单元420具体用于:
确定在该至少一个载波中的M个载波上发送的侧行信息激活侧行反馈;其中,M为正整数,且 M小于或等于该第二终端设备支持的同时发送的载波数量。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在不同频段的载波上同时发送,且该第一终端设备选取了多个频段内的载波;
该处理单元420还用于仅激活该多个频段中的一个频段内的载波上发送的侧行信息的侧行反馈。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在非相邻的载波上同时发送,且该第一终端设备选取了非相邻的多个载波;
该处理单元420还用于仅激活该多个载波中相邻的载波上发送的侧行信息的侧行反馈。
在一些实施例中,该侧行信息包括以下至少之一:
侧行控制信息,侧行参考信号,侧行数据。
例如,该侧行信息为侧行控制信息(SCI),该侧行控制信息可以在PSCCH上传输,或者,该侧行控制信息是第二阶SCI,通过PSSCH的资源承载。
又例如,该侧行信息为侧行参考信号,该侧行参考信号可以在PSCCH或PSSCH上传输,该侧行参考信号包括以下中任意一种:解调参考信号(DMRS)、信道状态信息参考信息(CSI-RS)、相位跟踪参考信号(PT-RS)。
再例如,该侧行信息为侧行数据,该侧行数据可以在PSSCH上传输。
在一些实施例中,在该第一终端设备接收该第二终端设备发送的该第一信息之前,该通信单元还用于向该第二终端设备发送第二信息;其中,该第二信息用于请求该第一信息所包括的内容。
在一些实施例中,该第一信息通过PC5-RRC信令承载,或者,该第一信息通过媒体接入控制控制元素MAC CE承载;和/或,
该第二信息通过PC5-RRC信令承载,或者,该第二信息通过MAC CE承载。
在一些实施例中,该第一信息通过侧行终端能力信息UECapabilityInformationSidelink承载,和/或,该第二信息通过侧行终端能力查询UECapabilityEnquirySidelink承载。
在一些实施例中,该频段组合包括以下至少之一:
演进的通用无线接入E-UTRA和新无线NR的频段组合,NR和NR的频段组合。
在一些实施例中,该载波组合包括以下至少之一:
频段间的载波组合,频段内的载波组合。
在一些实施例中,上述通信单元可以是通信接口或收发器,或者是通信芯片或者片上系统的输入输出接口。上述处理单元可以是一个或多个处理器。
应理解,根据本申请实施例的终端设备400可对应于本申请方法实施例中的第一终端设备,并且终端设备400中的各个单元的上述和其它操作和/或功能分别为了实现图15所示方法200中第一终端设备的相应流程,为了简洁,在此不再赘述。
图24示出了根据本申请实施例的终端设备500的示意性框图。该终端设备500为第二终端设备,如图24所示,该终端设备500包括:
通信单元510,用于向第一终端设备发送第一信息;其中,
该第一信息包括以下至少之一:该第二终端设备支持的同时发送的载波数量,该第二终端设备支持的同时接收的载波数量,该第二终端设备支持的频段组合,该第二终端设备支持的载波组合,该第二终端设备是否支持在不同频段的载波上同时发送,该第二终端设备是否支持在不同频段的载波上同时接收,该第二终端设备是否支持在非相邻的载波上同时发送,该第二终端设备是否支持在非相邻的载波上同时接收;该第一信息用于该第一终端设备选取至少一个载波,且该至少一个载波用于该第一终端设备向该第二终端设备发送侧行信息。
在一些实施例中,若该至少一个载波上发送的该侧行信息激活了侧行反馈,该至少一个载波上的该侧行信息对应的侧行反馈信息位于相同的时隙或相同的时域符号。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时发送的载波数量,该至少一个载波的数量小于或等于该第二终端设备支持的同时发送的载波数量。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的同时接收的载波数量,该至少一个载波的数量小于或等于该第二终端设备支持的同时接收的载波数量。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的频段组合,该至少一个载波属于该第二终端设备支持的频段组合。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在不同频段的载波上同时发送,或者,若该第一信息至少包括该第二终端设备不支持在不同频段的载波上同时接收,该至少一个载波属于同一频段。
在一些实施例中,若该第一信息至少包括该第二终端设备支持的载波组合,该至少一个载波属于 该第二终端设备支持的载波组合。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在非相邻的载波上同时发送,或者,若该第一信息至少包括该第二终端设备不支持在非相邻的载波上同时接收,该至少一个载波中不包括非相邻的载波。
在一些实施例中,该至少一个载波中的部分或全部载波上发送的该侧行信息激活了侧行反馈。
在一些实施例中,该第一信息还用于该第一终端设备在该至少一个载波上进行资源选取。
在一些实施例中,该第一信息至少包括该第二终端设备支持的同时发送的载波数量,且该至少一个载波的数量大于该第二终端设备支持的同时发送的载波数量。
在一些实施例中,若该至少一个载波中的全部载波上发送的该侧行信息激活了侧行反馈,在该至少一个载波上选取的资源上发送的该侧行信息对应的位于相同时隙的侧行反馈信息所对应的载波数量不超过该第二终端设备支持的同时发送的载波数量。
在一些实施例中,该第一信息还用于该第一终端设备确定在该至少一个载波上发送的该侧行信息是否激活侧行反馈。
在一些实施例中,该第一信息至少包括该第二终端设备支持的同时发送的载波数量,且该至少一个载波的数量大于该第二终端设备支持的同时发送的载波数量。
在一些实施例中,该至少一个载波中的M个载波上发送的侧行信息激活了侧行反馈;其中,M为正整数,且M小于或等于该第二终端设备支持的同时发送的载波数量。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在不同频段的载波上同时发送,且该第一终端设备选取了多个频段内的载波,该多个频段中的一个频段内的载波上发送的侧行信息激活了侧行反馈。
在一些实施例中,若该第一信息至少包括该第二终端设备不支持在非相邻的载波上同时发送,且该第一终端设备选取了非相邻的多个载波,该多个载波中相邻的载波上发送的侧行信息激活了侧行反馈。
在一些实施例中,该侧行信息包括以下至少之一:
侧行控制信息,侧行参考信号,侧行数据。
例如,该侧行信息为侧行控制信息(SCI),该侧行控制信息可以在PSCCH上传输,或者,该侧行控制信息是第二阶SCI,通过PSSCH的资源承载。
又例如,该侧行信息为侧行参考信号,该侧行参考信号可以在PSCCH或PSSCH上传输,该侧行参考信号包括以下中任意一种:解调参考信号(DMRS)、信道状态信息参考信息(CSI-RS)、相位跟踪参考信号(PT-RS)。
再例如,该侧行信息为侧行数据,该侧行数据可以在PSSCH上传输。
在一些实施例中,在该第二终端设备向该第一终端设备发送该第一信息之前,该通信单元还用于接收该第一终端设备发送的第二信息;其中,该第二信息用于请求该第一信息所包括的内容。
在一些实施例中,该第一信息通过PC5-无线资源控制RRC信令承载,或者,该第一信息通过媒体接入控制控制元素MAC CE承载;和/或,
该第二信息通过PC5-RRC信令承载,或者,该第二信息通过MAC CE承载。
在一些实施例中,该第一信息通过侧行终端能力信息UECapabilityInformationSidelink承载,和/或,该第二信息通过侧行终端能力查询UECapabilityEnquirySidelink承载。
在一些实施例中,该频段组合包括以下至少之一:
演进的通用无线接入E-UTRA和新无线NR的频段组合,NR和NR的频段组合。
在一些实施例中,该载波组合包括以下至少之一:
频段间的载波组合,频段内的载波组合。
在一些实施例中,上述通信单元可以是通信接口或收发器,或者是通信芯片或者片上系统的输入输出接口。
应理解,根据本申请实施例的终端设备500可对应于本申请方法实施例中的第二终端设备,并且终端设备500中的各个单元的上述和其它操作和/或功能分别为了实现图15所示方法200中第二终端设备的相应流程,为了简洁,在此不再赘述。
图25示出了根据本申请实施例的终端设备600的示意性框图。如图25所示,该终端设备600为第一终端设备,该终端设备600包括:
通信单元610,用于接收第二终端设备发送的第一指示信息;其中,该第一指示信息用于指示该第二终端设备选取的侧行发送载波;
处理单元620,用于根据该第一指示信息选取用于向该第二终端设备发送侧行信息的载波。
在一些实施例中,该第二终端设备选取的侧行发送载波属于不同的频段,或者,该第二终端设备选取的侧行发送载波属于相同的频段。
在一些实施例中,该侧行信息包括以下至少之一:
侧行控制信息,侧行参考信号,侧行数据。
在一些实施例中,该第一指示信息通过PC5-无线资源控制RRC信令承载,或者,该第一指示信息通过媒体接入控制控制元素MAC CE承载。
在一些实施例中,处理单元620用于根据检测到的第二终端设备使用的载波进行载波选取。
在一些实施例中,上述通信单元可以是通信接口或收发器,或者是通信芯片或者片上系统的输入输出接口。上述处理单元可以是一个或多个处理器。
应理解,根据本申请实施例的终端设备600可对应于本申请方法实施例中的第一终端设备,并且终端设备600中的各个单元的上述和其它操作和/或功能分别为了实现图22所示方法300中第一终端设备的相应流程,为了简洁,在此不再赘述。
图26示出了根据本申请实施例的终端设备700的示意性框图。该终端设备700为第二终端设备,如图26所示,该终端设备700包括:
通信单元710,用于向第一终端设备发送第一指示信息;其中,该第一指示信息用于指示该第二终端设备选取的侧行发送载波,该第一指示信息用于该第一终端设备选取用于向该第二终端设备发送侧行信息的载波。
在一些实施例中,该第二终端设备选取的侧行发送载波属于不同的频段,或者,该第二终端设备选取的侧行发送载波属于相同的频段。
在一些实施例中,该侧行信息包括以下至少之一:
侧行控制信息,侧行参考信号,侧行数据。
在一些实施例中,该第一指示信息通过PC5-无线资源控制RRC信令承载,或者,该第一指示信息通过媒体接入控制控制元素MAC CE承载。
在一些实施例中,上述通信单元可以是通信接口或收发器,或者是通信芯片或者片上系统的输入输出接口。
应理解,根据本申请实施例的终端设备700可对应于本申请方法实施例中的第二终端设备,并且终端设备700中的各个单元的上述和其它操作和/或功能分别为了实现图22所示方法300中第二终端设备的相应流程,为了简洁,在此不再赘述。
图27是本申请实施例提供的一种通信设备800示意性结构图。图27所示的通信设备800包括处理器810,处理器810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27所示,通信设备800还可以包括存储器820。其中,处理器810可以从存储器820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820可以是独立于处理器810的一个单独的器件,也可以集成在处理器810中。
在一些实施例中,如图27所示,通信设备800还可以包括收发器830,处理器810可以控制该收发器830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830可以包括发射机和接收机。收发器830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800具体可为本申请实施例的第一终端设备,并且该通信设备800可以实现本申请实施例的各个方法中由第一终端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800具体可为本申请实施例的第二终端设备,并且该通信设备800可以实现本申请实施例的各个方法中由第二终端设备实现的相应流程,为了简洁,在此不再赘述。
图28是本申请实施例的装置的示意性结构图。图28所示的装置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28所示,装置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,该装置900还可以包括输入接口930。其中,处理器910可以控制该输入接口930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。
在一些实施例中,该装置900还可以包括输出接口940。其中,处理器910可以控制该输出接口940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。
在一些实施例中,该装置可应用于本申请实施例中的第一终端设备,并且该装置可以实现本申请 实施例的各个方法中由第一终端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,该装置可应用于本申请实施例中的第二终端设备,并且该装置可以实现本申请实施例的各个方法中由第二终端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,本申请实施例提到的装置也可以是芯片。例如可以是系统级芯片,系统芯片,芯片系统或片上系统芯片等。
图29是本申请实施例提供的一种通信系统1000的示意性框图。如图29所示,该通信系统1000包括第一终端设备1010和第二终端设备1020。
其中,该第一终端设备1010可以用于实现上述方法中由第一终端设备实现的相应的功能,以及该第二终端设备1020可以用于实现上述方法中由第二终端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。
在一些实施例中,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终端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,该计算机可读存储介质可应用于本申请实施例中的第二终端设备,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二终端设备实现的相应流程,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。
在一些实施例中,该计算机程序产品可应用于本申请实施例中的第一终端设备,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终端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,该计算机程序产品可应用于本申请实施例中的第二终端设备,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二终端设备实现的相应流程,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。
在一些实施例中,该计算机程序可应用于本申请实施例中的第一终端设备,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终端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,该计算机程序可应用于本申请实施例中的第二终端设备,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二终端设备实现的相应流程,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。针对这样的理解,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所述以权利要求的保护范围为准。

Claims (113)

  1. 一种无线通信的方法,其特征在于,包括:
    第一终端设备接收第二终端设备发送的第一信息;其中,所述第一信息包括以下至少之一:所述第二终端设备支持的同时发送的载波数量,所述第二终端设备支持的同时接收的载波数量,所述第二终端设备支持的频段组合,所述第二终端设备支持的载波组合,所述第二终端设备是否支持在不同频段的载波上同时发送,所述第二终端设备是否支持在不同频段的载波上同时接收,所述第二终端设备是否支持在非相邻的载波上同时发送,所述第二终端设备是否支持在非相邻的载波上同时接收;
    所述第一终端设备根据所述第一信息选取至少一个载波;其中,所述至少一个载波用于向所述第二终端设备发送侧行信息。
  2. 如权利要求1所述的方法,其特征在于,
    若所述至少一个载波上发送的所述侧行信息激活了侧行反馈,所述至少一个载波上的所述侧行信息对应的侧行反馈信息位于相同的时隙或相同的时域符号。
  3. 如权利要求1或2所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,所述至少一个载波的数量小于或等于所述第二终端设备支持的同时发送的载波数量。
  4. 如权利要求1或2所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时接收的载波数量,所述至少一个载波的数量小于或等于所述第二终端设备支持的同时接收的载波数量。
  5. 如权利要求1或2所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的频段组合;
    所述第一终端设备根据所述第一信息选取至少一个载波,包括:
    所述第一终端设备在所述第二终端设备支持的频段组合内的载波中选取所述至少一个载波。
  6. 如权利要求1或2所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时发送,或者,若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时接收;
    所述第一终端设备根据所述第一信息选取至少一个载波,包括:
    所述第一终端设备在同一频段内选取所述至少一个载波。
  7. 如权利要求1或2所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的载波组合;
    所述第一终端设备根据所述第一信息选取至少一个载波,包括:
    所述第一终端设备在所述第二终端设备支持的载波组合内选取所述至少一个载波。
  8. 如权利要求1或2所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时发送,或者,若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时接收,所述至少一个载波中不包括非相邻的载波。
  9. 如权利要求1至8中任一项所述的方法,其特征在于,所述至少一个载波中的部分或全部载波上发送的所述侧行信息激活了侧行反馈。
  10. 如权利要求1至9中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一终端设备根据所述第一信息在所述至少一个载波上进行资源选取。
  11. 如权利要求10所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,且所述至少一个载波的数量大于所述第二终端设备支持的同时发送的载波数量;
    所述第一终端设备根据所述第一信息在所述至少一个载波上进行资源选取,包括:
    所述第一终端设备根据所述第二终端设备支持的同时发送的载波数量,在所述至少一个载波上进行资源选取。
  12. 如权利要求11所述的方法,其特征在于,
    若所述至少一个载波中的全部载波上发送的所述侧行信息激活了侧行反馈,在所述至少一个载波上选取的资源上发送的所述侧行信息对应的位于相同时隙的侧行反馈信息所对应的载波数量不超过所述第二终端设备支持的同时发送的载波数量。
  13. 如权利要求1至9中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一终端设备根据所述第一信息确定在所述至少一个载波上发送的所述侧行信息是否激活侧行反馈。
  14. 如权利要求13所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,且所述至少一个载波的数量大于所述第二终端设备支持的同时发送的载波数量;
    所述第一终端设备根据所述第一信息确定在所述至少一个载波上发送的所述侧行信息是否激活侧行反馈,包括:
    所述第一终端设备根据所述第二终端设备支持的同时发送的载波数量,确定在所述至少一个载波上发送的所述侧行信息是否激活侧行反馈。
  15. 如权利要求14所述的方法,其特征在于,所述第一终端设备根据所述第二终端设备支持的同时发送的载波数量,确定在所述至少一个载波上发送的所述侧行信息是否激活侧行反馈,包括:
    所述第一终端设备确定在所述至少一个载波中的M个载波上发送的侧行信息激活侧行反馈;其中,M为正整数,且M小于或等于所述第二终端设备支持的同时发送的载波数量。
  16. 如权利要求1至9中任一项所述的方法,其特征在于,若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时发送,且所述第一终端设备选取了多个频段内的载波;
    所述方法还包括:
    所述第一终端设备仅激活所述多个频段中的一个频段内的载波上发送的侧行信息的侧行反馈。
  17. 如权利要求1至9中任一项所述的方法,其特征在于,若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时发送,且所述第一终端设备选取了非相邻的多个载波;
    所述方法还包括:
    所述第一终端设备仅激活所述多个载波中相邻的载波上发送的侧行信息的侧行反馈。
  18. 如权利要求1至17中任一项所述的方法,其特征在于,所述侧行信息包括以下至少之一:
    侧行控制信息,侧行参考信号,侧行数据。
  19. 如权利要求1至18中任一项所述的方法,其特征在于,在所述第一终端设备接收所述第二终端设备发送的所述第一信息之前,所述方法还包括:
    所述第一终端设备向所述第二终端设备发送第二信息;其中,所述第二信息用于请求所述第一信息所包括的内容。
  20. 如权利要求19所述的方法,其特征在于,
    所述第一信息通过PC5-无线资源控制RRC信令承载,或者,所述第一信息通过媒体接入控制控制元素MAC CE承载;和/或,
    所述第二信息通过PC5-RRC信令承载,或者,所述第二信息通过MAC CE承载。
  21. 如权利要求19所述的方法,其特征在于,
    所述第一信息通过侧行终端能力信息UECapabilityInformationSidelink承载,和/或,所述第二信息通过侧行终端能力查询UECapabilityEnquirySidelink承载。
  22. 如权利要求1至21中任一项所述的方法,其特征在于,所述频段组合包括以下至少之一:
    演进的通用无线接入E-UTRA和新无线NR的频段组合,NR和NR的频段组合。
  23. 如权利要求1至22中任一项所述的方法,其特征在于,所述载波组合包括以下至少之一:
    频段间的载波组合,频段内的载波组合。
  24. 一种无线通信的方法,其特征在于,包括:
    第二终端设备向第一终端设备发送第一信息;其中,
    所述第一信息包括以下至少之一:所述第二终端设备支持的同时发送的载波数量,所述第二终端设备支持的同时接收的载波数量,所述第二终端设备支持的频段组合,所述第二终端设备支持的载波组合,所述第二终端设备是否支持在不同频段的载波上同时发送,所述第二终端设备是否支持在不同频段的载波上同时接收,所述第二终端设备是否支持在非相邻的载波上同时发送,所述第二终端设备是否支持在非相邻的载波上同时接收;所述第一信息用于所述第一终端设备选取至少一个载波,且所述至少一个载波用于所述第一终端设备向所述第二终端设备发送侧行信息。
  25. 如权利要求24所述的方法,其特征在于,
    若所述至少一个载波上发送的所述侧行信息激活了侧行反馈,所述至少一个载波上的所述侧行信息对应的侧行反馈信息位于相同的时隙或相同的时域符号。
  26. 如权利要求24或25所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,所述至少一个载波的数量小于或等于所述第二终端设备支持的同时发送的载波数量。
  27. 如权利要求24或25所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时接收的载波数量,所述至少一个载波的数 量小于或等于所述第二终端设备支持的同时接收的载波数量。
  28. 如权利要求24或25所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的频段组合,所述至少一个载波属于所述第二终端设备支持的频段组合。
  29. 如权利要求24或25所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时发送,或者,若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时接收,所述至少一个载波属于同一频段。
  30. 如权利要求24或25所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的载波组合,所述至少一个载波属于所述第二终端设备支持的载波组合。
  31. 如权利要求24或25所述的方法,其特征在于,
    若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时发送,或者,若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时接收,所述至少一个载波中不包括非相邻的载波。
  32. 如权利要求24至31中任一项所述的方法,其特征在于,所述至少一个载波中的部分或全部载波上发送的所述侧行信息激活了侧行反馈。
  33. 如权利要求24至32中任一项所述的方法,其特征在于,所述第一信息还用于所述第一终端设备在所述至少一个载波上进行资源选取。
  34. 如权利要求33所述的方法,其特征在于,
    所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,且所述至少一个载波的数量大于所述第二终端设备支持的同时发送的载波数量。
  35. 如权利要求34所述的方法,其特征在于,
    若所述至少一个载波中的全部载波上发送的所述侧行信息激活了侧行反馈,在所述至少一个载波上选取的资源上发送的所述侧行信息对应的位于相同时隙的侧行反馈信息所对应的载波数量不超过所述第二终端设备支持的同时发送的载波数量。
  36. 如权利要求24至32中任一项所述的方法,其特征在于,所述第一信息还用于所述第一终端设备确定在所述至少一个载波上发送的所述侧行信息是否激活侧行反馈。
  37. 如权利要求36所述的方法,其特征在于,
    所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,且所述至少一个载波的数量大于所述第二终端设备支持的同时发送的载波数量。
  38. 如权利要求37所述的方法,其特征在于,
    所述至少一个载波中的M个载波上发送的侧行信息激活了侧行反馈;其中,M为正整数,且M小于或等于所述第二终端设备支持的同时发送的载波数量。
  39. 如权利要求24至32中任一项所述的方法,其特征在于,若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时发送,且所述第一终端设备选取了多个频段内的载波,所述多个频段中的一个频段内的载波上发送的侧行信息激活了侧行反馈。
  40. 如权利要求24至32中任一项所述的方法,其特征在于,若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时发送,且所述第一终端设备选取了非相邻的多个载波,所述多个载波中相邻的载波上发送的侧行信息激活了侧行反馈。
  41. 如权利要求24至40中任一项所述的方法,其特征在于,所述侧行信息包括以下至少之一:
    侧行控制信息,侧行参考信号,侧行数据。
  42. 如权利要求24至41中任一项所述的方法,其特征在于,在所述第二终端设备向所述第一终端设备发送所述第一信息之前,所述方法还包括:
    所述第二终端设备接收所述第一终端设备发送的第二信息;其中,所述第二信息用于请求所述第一信息所包括的内容。
  43. 如权利要求42所述的方法,其特征在于,
    所述第一信息通过PC5-无线资源控制RRC信令承载,或者,所述第一信息通过媒体接入控制控制元素MAC CE承载;和/或,
    所述第二信息通过PC5-RRC信令承载,或者,所述第二信息通过MAC CE承载。
  44. 如权利要求42所述的方法,其特征在于,
    所述第一信息通过侧行终端能力信息UECapabilityInformationSidelink承载,和/或,所述第二信 息通过侧行终端能力查询UECapabilityEnquirySidelink承载。
  45. 如权利要求24至44中任一项所述的方法,其特征在于,所述频段组合包括以下至少之一:
    演进的通用无线接入E-UTRA和新无线NR的频段组合,NR和NR的频段组合。
  46. 如权利要求24至45中任一项所述的方法,其特征在于,所述载波组合包括以下至少之一:
    频段间的载波组合,频段内的载波组合。
  47. 一种无线通信的方法,其特征在于,包括:
    第一终端设备接收第二终端设备发送的第一指示信息;其中,所述第一指示信息用于指示所述第二终端设备选取的侧行发送载波;
    所述第一终端设备根据所述第一指示信息选取用于向所述第二终端设备发送侧行信息的载波。
  48. 如权利要求47所述的方法,其特征在于,所述第二终端设备选取的侧行发送载波属于不同的频段,或者,所述第二终端设备选取的侧行发送载波属于相同的频段。
  49. 如权利要求47或48所述的方法,其特征在于,所述侧行信息包括以下至少之一:
    侧行控制信息,侧行参考信号,侧行数据。
  50. 如权利要求47至49中任一项所述的方法,其特征在于,
    所述第一指示信息通过PC5-无线资源控制RRC信令承载,或者,所述第一指示信息通过媒体接入控制控制元素MAC CE承载。
  51. 一种无线通信的方法,其特征在于,包括:
    第二终端设备向第一终端设备发送第一指示信息;其中,所述第一指示信息用于指示所述第二终端设备选取的侧行发送载波,所述第一指示信息用于所述第一终端设备选取用于向所述第二终端设备发送侧行信息的载波。
  52. 如权利要求51所述的方法,其特征在于,所述第二终端设备选取的侧行发送载波属于不同的频段,或者,所述第二终端设备选取的侧行发送载波属于相同的频段。
  53. 如权利要求51或52所述的方法,其特征在于,所述侧行信息包括以下至少之一:
    侧行控制信息,侧行参考信号,侧行数据。
  54. 如权利要求51至53中任一项所述的方法,其特征在于,
    所述第一指示信息通过PC5-无线资源控制RRC信令承载,或者,所述第一指示信息通过媒体接入控制控制元素MAC CE承载。
  55. 一种终端设备,其特征在于,所述终端设备为第一终端设备,所述终端设备包括:
    通信单元,用于接收第二终端设备发送的第一信息;其中,所述第一信息包括以下至少之一:所述第二终端设备支持的同时发送的载波数量,所述第二终端设备支持的同时接收的载波数量,所述第二终端设备支持的频段组合,所述第二终端设备支持的载波组合,所述第二终端设备是否支持在不同频段的载波上同时发送,所述第二终端设备是否支持在不同频段的载波上同时接收,所述第二终端设备是否支持在非相邻的载波上同时发送,所述第二终端设备是否支持在非相邻的载波上同时接收;
    处理单元,用于根据所述第一信息选取至少一个载波;其中,所述至少一个载波用于向所述第二终端设备发送侧行信息。
  56. 如权利要求55所述的终端设备,其特征在于,
    若所述至少一个载波上发送的所述侧行信息激活了侧行反馈,所述至少一个载波上的所述侧行信息对应的侧行反馈信息位于相同的时隙或相同的时域符号。
  57. 如权利要求55或56所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,所述至少一个载波的数量小于或等于所述第二终端设备支持的同时发送的载波数量。
  58. 如权利要求55或56所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时接收的载波数量,所述至少一个载波的数量小于或等于所述第二终端设备支持的同时接收的载波数量。
  59. 如权利要求55或56所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的频段组合;
    所述处理单元具体用于:
    在所述第二终端设备支持的频段组合内的载波中选取所述至少一个载波。
  60. 如权利要求55或56所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时发送,或者,若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时接收;
    所述处理单元具体用于:
    在同一频段内选取所述至少一个载波。
  61. 如权利要求55或56所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的载波组合;
    所述处理单元具体用于:
    在所述第二终端设备支持的载波组合内选取所述至少一个载波。
  62. 如权利要求55或56所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时发送,或者,若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时接收,所述至少一个载波中不包括非相邻的载波。
  63. 如权利要求55至62中任一项所述的终端设备,其特征在于,所述至少一个载波中的部分或全部载波上发送的所述侧行信息激活了侧行反馈。
  64. 如权利要求55至63中任一项所述的终端设备,其特征在于,所述处理单元还用于根据所述第一信息在所述至少一个载波上进行资源选取。
  65. 如权利要求64所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,且所述至少一个载波的数量大于所述第二终端设备支持的同时发送的载波数量;
    所述处理单元具体用于:
    根据所述第二终端设备支持的同时发送的载波数量,在所述至少一个载波上进行资源选取。
  66. 如权利要求65所述的终端设备,其特征在于,
    若所述至少一个载波中的全部载波上发送的所述侧行信息激活了侧行反馈,在所述至少一个载波上选取的资源上发送的所述侧行信息对应的位于相同时隙的侧行反馈信息所对应的载波数量不超过所述第二终端设备支持的同时发送的载波数量。
  67. 如权利要求55至63中任一项所述的终端设备,其特征在于,所述处理单元还用于根据所述第一信息确定在所述至少一个载波上发送的所述侧行信息是否激活侧行反馈。
  68. 如权利要求67所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,且所述至少一个载波的数量大于所述第二终端设备支持的同时发送的载波数量;
    所述处理单元具体用于:
    根据所述第二终端设备支持的同时发送的载波数量,确定在所述至少一个载波上发送的所述侧行信息是否激活侧行反馈。
  69. 如权利要求68所述的终端设备,其特征在于,所述处理单元具体用于:
    确定在所述至少一个载波中的M个载波上发送的侧行信息激活侧行反馈;其中,M为正整数,且M小于或等于所述第二终端设备支持的同时发送的载波数量。
  70. 如权利要求55至63中任一项所述的终端设备,其特征在于,若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时发送,且所述第一终端设备选取了多个频段内的载波;
    所述处理单元还用于仅激活所述多个频段中的一个频段内的载波上发送的侧行信息的侧行反馈。
  71. 如权利要求55至63中任一项所述的终端设备,其特征在于,若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时发送,且所述第一终端设备选取了非相邻的多个载波;
    所述处理单元还用于仅激活所述多个载波中相邻的载波上发送的侧行信息的侧行反馈。
  72. 如权利要求55至71中任一项所述的终端设备,其特征在于,所述侧行信息包括以下至少之一:
    侧行控制信息,侧行参考信号,侧行数据。
  73. 如权利要求55至72中任一项所述的终端设备,其特征在于,在所述第一终端设备接收所述第二终端设备发送的所述第一信息之前,所述通信单元还用于向所述第二终端设备发送第二信息;其中,所述第二信息用于请求所述第一信息所包括的内容。
  74. 如权利要求73所述的终端设备,其特征在于,
    所述第一信息通过PC5-无线资源控制RRC信令承载,或者,所述第一信息通过媒体接入控制控制元素MAC CE承载;和/或,
    所述第二信息通过PC5-RRC信令承载,或者,所述第二信息通过MAC CE承载。
  75. 如权利要求73所述的终端设备,其特征在于,
    所述第一信息通过侧行终端能力信息UECapabilityInformationSidelink承载,和/或,所述第二信息通过侧行终端能力查询UECapabilityEnquirySidelink承载。
  76. 如权利要求55至75中任一项所述的终端设备,其特征在于,所述频段组合包括以下至少之一:
    演进的通用无线接入E-UTRA和新无线NR的频段组合,NR和NR的频段组合。
  77. 如权利要求55至76中任一项所述的终端设备,其特征在于,所述载波组合包括以下至少之一:
    频段间的载波组合,频段内的载波组合。
  78. 一种终端设备,其特征在于,所述终端设备为第二终端设备,所述终端设备包括:
    通信单元,用于向第一终端设备发送第一信息;其中,
    所述第一信息包括以下至少之一:所述第二终端设备支持的同时发送的载波数量,所述第二终端设备支持的同时接收的载波数量,所述第二终端设备支持的频段组合,所述第二终端设备支持的载波组合,所述第二终端设备是否支持在不同频段的载波上同时发送,所述第二终端设备是否支持在不同频段的载波上同时接收,所述第二终端设备是否支持在非相邻的载波上同时发送,所述第二终端设备是否支持在非相邻的载波上同时接收;所述第一信息用于所述第一终端设备选取至少一个载波,且所述至少一个载波用于所述第一终端设备向所述第二终端设备发送侧行信息。
  79. 如权利要求78所述的终端设备,其特征在于,
    若所述至少一个载波上发送的所述侧行信息激活了侧行反馈,所述至少一个载波上的所述侧行信息对应的侧行反馈信息位于相同的时隙或相同的时域符号。
  80. 如权利要求78或79所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,所述至少一个载波的数量小于或等于所述第二终端设备支持的同时发送的载波数量。
  81. 如权利要求78或79所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的同时接收的载波数量,所述至少一个载波的数量小于或等于所述第二终端设备支持的同时接收的载波数量。
  82. 如权利要求78或79所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的频段组合,所述至少一个载波属于所述第二终端设备支持的频段组合。
  83. 如权利要求78或79所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时发送,或者,若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时接收,所述至少一个载波属于同一频段。
  84. 如权利要求78或79所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备支持的载波组合,所述至少一个载波属于所述第二终端设备支持的载波组合。
  85. 如权利要求78或79所述的终端设备,其特征在于,
    若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时发送,或者,若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时接收,所述至少一个载波中不包括非相邻的载波。
  86. 如权利要求78至85中任一项所述的终端设备,其特征在于,所述至少一个载波中的部分或全部载波上发送的所述侧行信息激活了侧行反馈。
  87. 如权利要求78至86中任一项所述的终端设备,其特征在于,所述第一信息还用于所述第一终端设备在所述至少一个载波上进行资源选取。
  88. 如权利要求87所述的终端设备,其特征在于,
    所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,且所述至少一个载波的数量大于所述第二终端设备支持的同时发送的载波数量。
  89. 如权利要求88所述的终端设备,其特征在于,
    若所述至少一个载波中的全部载波上发送的所述侧行信息激活了侧行反馈,在所述至少一个载波上选取的资源上发送的所述侧行信息对应的位于相同时隙的侧行反馈信息所对应的载波数量不超过所述第二终端设备支持的同时发送的载波数量。
  90. 如权利要求78至86中任一项所述的终端设备,其特征在于,所述第一信息还用于所述第一终端设备确定在所述至少一个载波上发送的所述侧行信息是否激活侧行反馈。
  91. 如权利要求90所述的终端设备,其特征在于,
    所述第一信息至少包括所述第二终端设备支持的同时发送的载波数量,且所述至少一个载波的数 量大于所述第二终端设备支持的同时发送的载波数量。
  92. 如权利要求91所述的终端设备,其特征在于,
    所述至少一个载波中的M个载波上发送的侧行信息激活了侧行反馈;其中,M为正整数,且M小于或等于所述第二终端设备支持的同时发送的载波数量。
  93. 如权利要求78至86中任一项所述的终端设备,其特征在于,若所述第一信息至少包括所述第二终端设备不支持在不同频段的载波上同时发送,且所述第一终端设备选取了多个频段内的载波,所述多个频段中的一个频段内的载波上发送的侧行信息激活了侧行反馈。
  94. 如权利要求78至86中任一项所述的终端设备,其特征在于,若所述第一信息至少包括所述第二终端设备不支持在非相邻的载波上同时发送,且所述第一终端设备选取了非相邻的多个载波,所述多个载波中相邻的载波上发送的侧行信息激活了侧行反馈。
  95. 如权利要求78至94中任一项所述的终端设备,其特征在于,所述侧行信息包括以下至少之一:
    侧行控制信息,侧行参考信号,侧行数据。
  96. 如权利要求78至95中任一项所述的终端设备,其特征在于,在所述第二终端设备向所述第一终端设备发送所述第一信息之前,所述通信单元还用于接收所述第一终端设备发送的第二信息;其中,所述第二信息用于请求所述第一信息所包括的内容。
  97. 如权利要求96所述的终端设备,其特征在于,
    所述第一信息通过PC5-无线资源控制RRC信令承载,或者,所述第一信息通过媒体接入控制控制元素MAC CE承载;和/或,
    所述第二信息通过PC5-RRC信令承载,或者,所述第二信息通过MAC CE承载。
  98. 如权利要求96所述的终端设备,其特征在于,
    所述第一信息通过侧行终端能力信息UECapabilityInformationSidelink承载,和/或,所述第二信息通过侧行终端能力查询UECapabilityEnquirySidelink承载。
  99. 如权利要求78至98中任一项所述的终端设备,其特征在于,所述频段组合包括以下至少之一:
    演进的通用无线接入E-UTRA和新无线NR的频段组合,NR和NR的频段组合。
  100. 如权利要求78至99中任一项所述的终端设备,其特征在于,所述载波组合包括以下至少之一:
    频段间的载波组合,频段内的载波组合。
  101. 一种终端设备,其特征在于,所述终端设备为第一终端设备,所述终端设备包括:
    通信单元,用于接收第二终端设备发送的第一指示信息;其中,所述第一指示信息用于指示所述第二终端设备选取的侧行发送载波;
    处理单元,用于根据所述第一指示信息选取用于向所述第二终端设备发送侧行信息的载波。
  102. 如权利要求101所述的终端设备,其特征在于,所述第二终端设备选取的侧行发送载波属于不同的频段,或者,所述第二终端设备选取的侧行发送载波属于相同的频段。
  103. 如权利要求101或102所述的终端设备,其特征在于,所述侧行信息包括以下至少之一:
    侧行控制信息,侧行参考信号,侧行数据。
  104. 如权利要求101至103中任一项所述的终端设备,其特征在于,
    所述第一指示信息通过PC5-无线资源控制RRC信令承载,或者,所述第一指示信息通过媒体接入控制控制元素MAC CE承载。
  105. 一种终端设备,其特征在于,所述终端设备为第二终端设备,所述终端设备包括:
    通信单元,用于向第一终端设备发送第一指示信息;其中,所述第一指示信息用于指示所述第二终端设备选取的侧行发送载波,所述第一指示信息用于所述第一终端设备选取用于向所述第二终端设备发送侧行信息的载波。
  106. 如权利要求105所述的终端设备,其特征在于,所述第二终端设备选取的侧行发送载波属于不同的频段,或者,所述第二终端设备选取的侧行发送载波属于相同的频段。
  107. 如权利要求105或106所述的终端设备,其特征在于,所述侧行信息包括以下至少之一:
    侧行控制信息,侧行参考信号,侧行数据。
  108. 如权利要求105至107中任一项所述的终端设备,其特征在于,
    所述第一指示信息通过PC5-无线资源控制RRC信令承载,或者,所述第一指示信息通过媒体接入控制控制元素MAC CE承载。
  109. 一种终端设备,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23中任一项所述的方法,或者,执行如权利要求24至46中任一项所述的方法,或者,执行如权利要求47至50中任一项所述的方法,或者,执行如权利要求51至54中任一项所述的方法。
  110. 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23中任一项所述的方法,或者,执行如权利要求24至46中任一项所述的方法,或者,执行如权利要求47至50中任一项所述的方法,或者,执行如权利要求51至54中任一项所述的方法。
  111. 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23中任一项所述的方法,或者,执行如权利要求24至46中任一项所述的方法,或者,执行如权利要求47至50中任一项所述的方法,或者,执行如权利要求51至54中任一项所述的方法。
  112. 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23中任一项所述的方法,或者,执行如权利要求24至46中任一项所述的方法,或者,执行如权利要求47至50中任一项所述的方法,或者,执行如权利要求51至54中任一项所述的方法。
  113. 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23中任一项所述的方法,或者,执行如权利要求24至46中任一项所述的方法,或者,执行如权利要求47至50中任一项所述的方法,或者,执行如权利要求51至54中任一项所述的方法。
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CN109391400A (zh) * 2017-08-10 2019-02-26 华为技术有限公司 一种多载频传输方法、设备及系统
WO2019091143A1 (zh) * 2017-11-08 2019-05-16 Oppo广东移动通信有限公司 D2d通信中资源配置的方法、终端设备和网络设备
CN110999449A (zh) * 2017-07-31 2020-04-10 中兴通讯股份有限公司 使用侧行链路载波聚合实现设备到设备通信的方法和计算设备

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CN110999449A (zh) * 2017-07-31 2020-04-10 中兴通讯股份有限公司 使用侧行链路载波聚合实现设备到设备通信的方法和计算设备
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