WO2022061775A1 - 传输资源集合的方法和终端设备 - Google Patents
传输资源集合的方法和终端设备 Download PDFInfo
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- WO2022061775A1 WO2022061775A1 PCT/CN2020/117915 CN2020117915W WO2022061775A1 WO 2022061775 A1 WO2022061775 A1 WO 2022061775A1 CN 2020117915 W CN2020117915 W CN 2020117915W WO 2022061775 A1 WO2022061775 A1 WO 2022061775A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/40—Resource management for direct mode communication, e.g. D2D or sidelink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/563—Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
Definitions
- the embodiments of the present application relate to the field of communications, and more particularly, to a method and a terminal device for transmitting a resource set.
- the terminal device can randomly select transmission resources from the resource pool, or the terminal device can select transmission resources from the resource pool according to the listening result.
- This resource selection method can avoid interference between terminals to a certain extent.
- this resource selection method also has problems such as Hidden node, Exposed node, Half-duplex, etc. How to enhance the above resource selection method to avoid hidden in the resource selection Problems such as nodes, exposed nodes, and half-duplex are an urgent problem to be solved.
- the embodiments of the present application provide a method and a terminal device for transmitting a resource set, which can avoid problems such as hidden nodes, exposed nodes, and half-duplex in resource selection, and improve the reliability of resource selection.
- a method for transmitting a resource set comprising:
- the first terminal sends first information, where the first information is used to indicate M resource sets, the M resource sets are directed to one target terminal, or each resource set in the M resource sets is directed to one or more target terminals , and the resource set is used to determine candidate transmission resources when the target terminal selects resources, M is a positive integer, and M ⁇ 1.
- a method for transmitting a resource set comprising:
- the target terminal receives the first information sent by the first terminal, where the first information is used to indicate M resource sets, the M resource sets are for one target terminal, or each resource set in the M resource sets For one or more target terminals, and the resource set is used to determine candidate transmission resources when the target terminal selects resources, M is a positive integer, and M ⁇ 1.
- a terminal device for executing the method in the above-mentioned first aspect.
- the terminal device includes functional modules for executing the method in the first aspect.
- a terminal device for executing the method in the second aspect.
- the terminal device includes a functional module for executing the method in the second aspect above.
- a terminal device including a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect.
- a terminal device including a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect.
- an apparatus for implementing the method in any one of the above-mentioned first to second aspects.
- the apparatus includes: a processor for invoking and running a computer program from a memory, so that a device on which the apparatus is installed executes the method in any one of the first to second aspects above.
- a computer-readable storage medium for storing a computer program, the computer program causing a computer to execute the method in any one of the first to second aspects above.
- a computer program product comprising computer program instructions, the computer program instructions causing a computer to perform the method in any one of the first to second aspects above.
- a computer program which, when run on a computer, causes the computer to perform the method of any one of the above-mentioned first to second aspects.
- the first terminal may indicate M resource sets to the target terminal, and the M resource sets may be directed to one target terminal, or each resource set in the M resource sets may be directed to one or more target terminals, Therefore, the resource set can be accurately and effectively indicated to the target terminal, and the target terminal can determine candidate transmission resources according to the indicated resource set when selecting resources, thereby avoiding hidden nodes, exposed nodes, and half-duplex problems in resource selection. , which improves the reliability of resource selection on the sidelink.
- FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
- FIG. 2 is a schematic diagram of another communication system architecture provided by an embodiment of the present application.
- FIG. 3 is a schematic diagram of inbound communication within a network coverage provided by the present application.
- FIG. 4 is a schematic diagram of a partial network coverage sideline communication provided by the present application.
- FIG. 5 is a schematic diagram of a network coverage outer row communication provided by the present application.
- FIG. 6 is a schematic diagram of a unicast sideline communication provided by the present application.
- FIG. 7 is a schematic diagram of a multicast sideline communication provided by the present application.
- FIG. 8 is a schematic diagram of a broadcast sideline communication provided by the present application.
- FIG. 9 is a schematic diagram of a PSCCH and PSSCH frame structure provided by the present application.
- FIG. 10 is a schematic diagram of a hidden node provided by the present application.
- FIG. 11 is a schematic diagram of an exposed node provided by the present application.
- FIG. 12 is a schematic flowchart of a method for transmitting a resource set according to an embodiment of the present application.
- FIG. 13 is a schematic diagram of a correspondence between a specific bit field and reserved resources provided according to an embodiment of the present application.
- FIG. 14 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
- FIG. 15 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
- FIG. 16 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
- Fig. 17 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.
- Fig. 18 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
- CDMA Wideband Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- LTE-A Advanced Long Term Evolution
- NR New Radio
- NTN Non-Terrestrial Networks
- UMTS Universal Mobile Telecommunication System
- WLAN Wireless Local Area Networks
- Wireless Fidelity Wireless Fidelity
- WiFi fifth-generation communication
- D2D Device to Device
- M2M Machine to Machine
- MTC Machine Type Communication
- V2V Vehicle to Vehicle
- V2X Vehicle to everything
- the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
- Carrier Aggregation, CA Carrier Aggregation, CA
- DC Dual Connectivity
- SA standalone
- the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where, Licensed spectrum can also be considered unshared spectrum.
- the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, where the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
- user equipment User Equipment, UE
- access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
- the terminal device may be a station (STATION, ST) in the WLAN, and may be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a Wireless Local Loop (WLL) station, a personal digital assistant (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, next-generation communication systems such as end devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
- PLMN Public Land Mobile Network
- the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites) superior).
- the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
- a mobile phone Mobile Phone
- a tablet computer Pad
- a computer with a wireless transceiver function a virtual reality (Virtual Reality, VR) terminal device
- augmented reality (Augmented Reality, AR) terminal Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
- the terminal device may also be a wearable device.
- Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
- a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
- wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
- the network device may be a device for communicating with a mobile device, and the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA , it can also be a base station (NodeB, NB) in WCDMA, it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or in-vehicle equipment, wearable devices and NR networks
- the network device may have a mobile feature, for example, the network device may be a mobile device.
- the network device may be a satellite or a balloon station.
- the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a High Elliptical Orbit (HEO) ) satellite etc.
- the network device may also be a base station set in a location such as land or water.
- a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (
- the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
- Pico cell Femto cell (Femto cell), etc.
- These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
- the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
- a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
- corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
- FIG. 1 is a schematic diagram of a first mode according to an embodiment of the present application.
- FIG. 2 is a schematic diagram of the second mode according to the embodiment of the present application.
- the transmission resources of the vehicle-mounted terminals are allocated by the base station 110 , and the vehicle-mounted terminal transmits data on the sidelink according to the resources allocated by the base station 110 .
- the base station 110 may allocate resources for single transmission to the terminal, or may allocate resources for semi-static transmission to the terminal.
- the vehicle-mounted terminals (the vehicle-mounted terminal 131 and the vehicle-mounted terminal 132 ) autonomously select transmission resources for data transmission on the resources of the sidelink.
- the in-vehicle terminal may randomly select transmission resources, or select transmission resources by means of listening.
- sideline communication according to the network coverage of the communicating terminal, it can be divided into network coverage innerline communication, as shown in Figure 3; part of the network coverage sideline communication, as shown in Figure 4 ; and network coverage outside the line communication, as shown in Figure 5.
- Figure 3 In the network coverage of the inbound communication, all the terminals performing the lateral communication are within the coverage of the same base station. Therefore, the above-mentioned terminals can receive the configuration signaling of the base station and perform the lateral communication based on the same lateral configuration. communication.
- FIG 4 In the case of partial network coverage of sideline communication, some terminals performing sideline communication are located within the coverage of the base station. These terminals can receive the configuration signaling of the base station and perform sideline communication according to the configuration of the base station. The terminal outside the network coverage cannot receive the configuration signaling of the base station. In this case, the terminal outside the network coverage will use the pre-configuration information and the physical The information carried in the sideline broadcast channel (Physical Sidelink Broadcast Channel, PSBCH) determines the sideline configuration and performs sideline communication.
- PSBCH Physical Sidelink Broadcast Channel
- Figure 5 For communication outside the network coverage, all the terminals performing the lateral communication are located outside the network coverage, and all the terminals determine the lateral configuration according to the pre-configuration information to perform the lateral communication.
- 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 by the base station Different ways, so it has higher spectral efficiency and lower transmission delay.
- the Internet of Vehicles system adopts the method of terminal-to-terminal direct communication. Two transmission modes are defined in 3GPP, which are respectively recorded as the first mode and the second mode. The embodiments of the present application may be applied to the second mode.
- the first mode the transmission resources of the terminal are allocated by the base station, and the terminal transmits data on the sidelink according to the resources allocated by the base station; the base station can allocate resources for a single transmission to the terminal, or can allocate semi-static transmission to the terminal resource of. As shown in FIG. 2 , the terminal is located within the coverage of the network, and the network allocates transmission resources for sideline transmission to the terminal.
- the second mode the terminal selects a resource in the resource pool for data transmission.
- the terminal is located outside the coverage of the cell, and the terminal autonomously selects transmission resources from the preconfigured resource pool for sideline transmission; or, as shown in Figure 2, the terminal autonomously selects transmission resources from the resource pool configured by the network Perform side-by-side transfers.
- the user may be in a mixed mode, that is, the first mode can be used to obtain resources, and the second mode can be used to obtain resources at the same time.
- LTE-V2X Long Term Evolution Vehicle to Everything
- the broadcast transmission mode is supported, and in NR-V2X, the unicast and multicast transmission modes are introduced.
- unicast transmission there is only one terminal at the receiving end.
- unicast transmission is performed between UE1 and UE2;
- the receiving end is all terminals in a communication group, or at a certain All terminals within the transmission distance, as shown in Figure 7, UE1, UE2, UE3 and UE4 form a communication group, in which UE1 sends data, and other terminal devices in this group are receiver terminals;
- the terminal is any terminal around the transmitting terminal.
- UE1 is the transmitting terminal, and other terminals around it, UE2-UE6, are all receiving terminals.
- a resource pool is introduced into the sideline transmission system.
- the so-called resource pool is a collection of transmission resources. Whether it is a transmission resource configured by a network or a transmission resource independently selected by a terminal, it is a resource in the resource pool.
- Resource pools can be configured through pre-configuration or network configuration, and one or more resource pools can be configured.
- the resource pool is further divided into a sending resource pool and a receiving resource pool.
- the sending resource pool is that the transmission resources in the resource pool are used for sending sideline data; the receiving resource pool is that the terminal receives the sideline data on the transmission resources in the resource pool.
- the second-order Sidelink Control Information is introduced into NR-V2X, and the first-order SCI is carried in the Physical Sidelink Control Channel (PSCCH) to indicate the Physical Sidelink Shared Channel (PSCCH).
- Physical Sidelink Shared Channel, PSSCH Physical Sidelink Shared Channel, PSSCH) transmission resources, reserved resource information, modulation and coding scheme (Modulation and Coding Scheme, MCS) level, priority and other information
- the second-order SCI is sent in PSSCH resources, using PSSCH demodulation
- the reference signal (Demodulation Reference Signal, DMRS) is demodulated to indicate the identity of the sender (Identity, ID) (also known as the source (Source) identification), the receiver ID (also known as the destination (Destination).
- the first symbol is usually used as automatic gain control (Auto Gain Control, AGC)
- PSCCH starts from the second symbol of the slot, and the last symbol passes as a guard interval (Guard Period, GP).
- the second-order SCI starts mapping from the first DMRS symbol of PSSCH, first in the frequency domain and then in the time domain.
- PSCCH occupies 3 symbols (symbol 1, symbol 2, and symbol 3), and the DMRS of PSSCH occupies symbols 4.
- the second-order SCI is mapped from symbol 4, and is frequency-division multiplexed with DMRS on symbol 4.
- the second-order SCI is mapped to symbol 4, symbol 5, and symbol 6.
- the size of the resources occupied by the second-order SCI depends on The number of bits in the second-order SCI.
- the terminal device randomly selects transmission resources in the resource pool, or selects transmission resources according to the listening result.
- This resource selection method can avoid interference between terminals to a certain extent, but there are still some problems. Questions as described below:
- UE-B selects resources according to the interception, and uses the resources to send sideline data to UE-A. Since UE-B and UE-C are far apart, The transmission of the other party cannot be heard. Therefore, UE-B and UE-C may select the same transmission resources, and the data sent by UE-C will interfere with the data sent by UE-B, which is the hidden node problem.
- Half-duplex problem when the terminal selects transmission resources by listening, within the listening window, if the terminal sends sideline data on a certain time slot, due to the limitation of half-duplex, the The terminal cannot receive data sent by other terminals in this time slot, and there is no listening result. Therefore, when the terminal performs resource exclusion, it will exclude all resources corresponding to this time slot in the selection window to avoid contact with other terminals. interference. Due to the limitation of half-duplex, the terminal excludes many resources that do not need to be excluded. In addition, since the terminal transmits data in this time slot, if another terminal also selects the same resource in this time slot to send data, the two terminals cannot determine that there is a resource conflict due to the limitation of half-duplex. This results in a persistent resource conflict between the two terminals.
- both the transmitting terminal UE-B and the transmitting terminal UE-C can monitor each other, but the target receiving terminal UE-A of UE-B is far away from the target of UE-C, and the target of UE-C The receiving terminal UE-D is far away from UE-B.
- the target receiving terminal UE-A of UE-B is far away from the target of UE-C
- the target of UE-C The receiving terminal UE-D is far away from UE-B.
- the received signal power of the other party may be very high, so that the two parties will select orthogonal video resources, which may eventually lead to a decrease in resource utilization efficiency.
- a resource set may also be sent by one terminal (UE-A) to another terminal (UE-B) to assist UE-B in resource selection.
- the resource collection can be of two different types:
- Resource set can obtain the available resource set according to the resource listening result, base station indication, etc., and send the resource set to UE-B.
- the resource set may be a set of resources suitable for use by UE-B.
- resources may be preferentially selected from the available resource set, thereby improving target reception.
- the reliability of the terminal receiving the sideline data; or, the resource set may also be a resource set that is not suitable for UE-B to use, and UE-B avoids selecting resources in the resource set when selecting resources, thereby avoiding the occurrence of hidden terminals. , the half-duplex limit, etc.
- Allocated transmission resources The information sent by UE-A to UE-B includes the transmission resources directly allocated to UE-B, and UE-B uses the transmission resources to send sideline data to the target receiving terminal. A allocates sideline transmission resources to UE-B.
- the terminal device needs to combine the resource sets sent by other terminals, so that the transmission reliability can be improved.
- UE-A sends a resource set for UE-B to assist UE-B in resource selection, but how does UE-A send the resource set to UE-B to avoid the above
- the above-mentioned half-duplex problem, hidden node and other problems are problems that need to be solved.
- the present application proposes a scheme for transmitting resource sets, which can transmit resource sets, and can avoid problems such as hidden nodes and half-duplex in resource selection, thereby improving the reliability of resource selection.
- FIG. 12 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application. As shown in FIG. 12 , the method 200 may include at least part of the following contents:
- the first terminal sends first information, where the first information is used to indicate M resource sets, the M resource sets are directed to one target terminal, or each resource set in the M resource sets is directed to one or more resource sets The target terminal, and the resource set is used to determine candidate transmission resources when the target terminal selects resources, M is a positive integer, and M ⁇ 1;
- the target terminal receives the first information sent by the first terminal.
- the first terminal may send the first information to the target terminal by means of unicast, multicast, broadcast, or the like.
- the target terminal can determine candidate transmission resources based on the resource set, so as to avoid problems such as half-duplex problems, hidden nodes, exposed nodes, and power consumption.
- the resource set may be specifically used for determining the resources to be excluded when the target terminal selects resources. That is, the transmission resources in the resource set are transmission resources that are not recommended for the target terminal to use, and when the target terminal performs data transmission, it should avoid using the transmission resources in the resource set. That is, the first terminal can send transmission resources that may have resource conflicts, half-duplex problems, hidden node problems, exposed node problems, or power consumption problems to the target terminal, so that the target terminal avoids selecting these transmissions resources, which can avoid half-duplex problems, hidden nodes, exposed nodes, etc.
- the resource set may also be specifically used for determining the resources that need to be prioritized when the target terminal selects resources. That is, the transmission resources in the resource set are the transmission resources suggested to be used by the target terminal, and when the target terminal performs data transmission, the transmission resources in the resource set should be used preferentially. That is to say, the first terminal can send the transmission resources after eliminating the transmission resources that may have resource conflicts, or half-duplex problems, or hidden node problems, or exposed node problems, or power consumption problems to the target terminal, so that The target terminal preferentially selects these transmission resources, thereby avoiding problems such as half-duplex problems, hidden nodes, and exposed nodes.
- the resource set sent by UE-A to UE-B may include the following four different situations:
- Case 1 The resource set is part or all of the time-frequency resources in a certain time range in the future, for example, the time-frequency resources located between the time ranges [A, B].
- the resource set is part or all of the resources reserved by UE-B through signaling, such as resources reserved by UE-B through PSCCH for retransmission of the same Transport Block (TB), or Resources for new or retransmissions of other new TBs.
- TB Transport Block
- Case 3 The resource set is part or all of the resources preselected by UE-B but not yet reserved by signaling, the number of retransmissions for one TB may be up to 32 times, and if UE-B supports periodic resource reservation, UE-B can reserve resources for up to 150 cycles, while UE-B can only reserve up to two resources for retransmission of the same TB and resources for transmission of new TB in the next cycle in one signaling.
- the resource set is part or all of the resources used by UE-B, for example, the resources used by UE-B in the past period of time.
- UE-A needs to send the resource set to UE-B within a certain time range [t_a, t_b] after satisfying a specific trigger condition. For example, UE-A may receive UE-B's After the resource request information, the bearer resource set information is sent to UE-B within a specific time range, or UE-A sends the bearer resource set information to UE-B within a specific time according to the status of the timer, or UE-B -A sends information about the bearer resource set to UE-B when it is determined that an event that may cause sidelink reception failure occurs.
- the first information includes but is not limited to at least one of the following:
- the specific bit field carried in the PSCCH the Radio Resource Control (RRC) signaling carried in the PSSCH, the Media Access Control Control Element (MAC CE) signaling carried in the PSSCH, and the PSSCH
- RRC Radio Resource Control
- MAC CE Media Access Control Control Element
- the RRC signaling carried in the PSSCH may be RRC (PC5-RRC) signaling based on the PC5 interface.
- the specific bit field includes N reserved bits among reserved bits in the SCI format 1-A carried in the PSCCH, where N is a positive integer, and N ⁇ 1.
- N is pre-configured or agreed in a protocol, or N is configured by a network device.
- Example 1 when the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, and the M resource sets are for a target terminal,
- the first terminal sends the first information to the one target terminal in a unicast manner, and the target identification field in the second-order SCI carried in the PSSCH is set to the identification (Identity, ID) of the one target terminal.
- the one target terminal may receive the first information based on the target identification field in the second-order SCI.
- Example 1 it is assumed that the first terminal is UE-A and one target terminal is UE-B.
- the first information is RRC signaling or MAC CE signaling carried in the PSSCH.
- UE-A can send the RRC signaling or MAC CE signaling to UE-B in a unicast manner.
- it carries RRC signaling.
- the target identification field in the second-order SCI in the PSSCH of the MAC CE signaling is set to the ID of the UE-B.
- the first information is the second-order SCI carried in the PSSCH, and UE-A can send the second-order SCI to UE-B in a unicast manner.
- the target identification field in the second-order SCI is set is the ID of UE-B.
- the first terminal may indicate M resource sets in a unicast manner.
- Example 2 when the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, and the M resource sets are for a target terminal,
- the first terminal sends the first information to the one target terminal by broadcasting, and the first information is also used to indicate the identity of the one target terminal.
- the one target terminal may receive the first information based on the identifier of the one target terminal.
- Example 2 it is assumed that the first terminal is UE-A and one target terminal is UE-B.
- UE-A can send RRC signaling or MAC CE signaling or second-order SCI to UE-B by broadcasting.
- RRC signaling or MAC CE signaling or second-order SCI is used to indicate the
- the M resource sets should also indicate at least the ID of UE-B.
- the first terminal may indicate M resource sets in a broadcast manner.
- the first terminal sends the first information to the plurality of target terminals in a multicast manner, and the target identification field in the second-order SCI carried in the PSSCH is set to the group identification corresponding to the plurality of target terminals.
- the plurality of target terminals may receive the first information based on the target identification field in the second-order SCI.
- Example 3 it is assumed that the first terminal is UE-A, the multiple target terminals are UE-B, UE-C and UE-D, and the group identifiers of the terminal groups to which UE-B, UE-C and UE-D belong for Group 1.
- the first information is RRC signaling or MAC CE signaling carried in the PSSCH, and UE-A can send the RRC signaling or MAC CE signaling to UE-B, UE-C, and UE-A in a multicast manner.
- the target identification field in the second-order SCI in the PSSCH carrying RRC signaling or MAC CE signaling is set to Group 1.
- the first information is the second-order SCI carried in the PSSCH
- UE-A can send the second-order SCI to UE-B, UE-C, and UE-D through multicast.
- the target identification field in the SCI is set to Group 1.
- M 1, that is, the first information only indicates one resource set, and this resource set is aimed at multiple target terminals, that is, when multiple target terminals select resources, the candidate transmission can be determined based on the resource set resource.
- the first terminal may indicate M resource sets in a multicast manner.
- the first terminal sends the first information to the plurality of target terminals in a broadcast mode, and the target identification field in the second-order SCI carried in the PSSCH is set to the identification corresponding to the broadcast mode, and the first information is also used for Indicates the identities of the multiple target terminals.
- the multiple target terminals may receive the first information based on the identifiers of the multiple target terminals.
- Example 4 it is assumed that the first terminal is UE-A, and the multiple target terminals are UE-B, UE-C and UE-D.
- the first information is RRC signaling or MAC CE signaling carried in the PSSCH
- UE-A can send the RRC signaling or MAC CE signaling to UE-B, UE-C and UE-D by broadcasting
- the target identification field in the second-order SCI in the PSSCH carrying RRC signaling or MAC CE signaling is set to the identification corresponding to the broadcast mode, except that the RRC signaling or MAC CE signaling is used to indicate the M resources
- the set should also indicate at least the ID of UE-B, the ID of UE-C and the ID of UE-D respectively.
- the first information is the second-order SCI carried in the PSSCH
- UE-A can send the second-order SCI to UE-B, UE-C, and UE-D by broadcasting.
- the second-order SCI The target identification field in is set to the identification corresponding to the broadcast mode.
- the second-order SCI should also indicate at least the ID of UE-B, the ID of UE-C and the ID of UE-D respectively. .
- the first terminal may indicate M resource sets in a broadcast manner.
- Example 5 where the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, M ⁇ 2, and each resource set in the M resource sets is for one In the case of the target terminal,
- the first terminal sends the first information to M target terminals by broadcasting, and the target identifier field in the second-order SCI carried in the PSSCH is set to the identifier corresponding to the broadcasting method, and the first information is also used to indicate The identifier of the target terminal targeted by each resource set in the M resource sets.
- the M target terminals may determine the resource set based on the identifier of the target terminal targeted by each resource set.
- Example 5 the content indicated by the first information may be as shown in Table 1.
- Resource Collection 0 ID of resource set 0 for the terminal Resource Collection 1 ID of resource set 1 for the terminal ... ... Resource Collection M-1 The ID of the resource set M-1 for the terminal
- target terminals targeted by different resource sets may be the same or different, which is not limited in this application.
- the first terminal may indicate M resource sets in a broadcast manner.
- Example 6 where the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, M ⁇ 2, and each resource set in the M resource sets is for multiple In the case of a target terminal,
- the first terminal sends the first information to all target terminals targeted by the M resource sets in a broadcast mode, and the target identification field in the second-order SCI carried in the PSSCH is set to the identification corresponding to the broadcast mode.
- a piece of information is also used to indicate the identities of multiple target terminals targeted by each of the M resource sets.
- all target terminals may determine the resource set based on the identifier of the target terminal targeted by each resource set.
- Example 6 assuming that each resource set in the M resource sets is directed to R target terminals, the content indicated by the first information may be as shown in Table 2.
- target terminals targeted by different resource sets may be the same or different, which is not limited in this embodiment of the present application.
- the first terminal may indicate M resource sets in a broadcast manner.
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, and the target terminal for each resource set in the M resource sets is for the target terminal.
- the first terminal is agnostic
- the first terminal sends the first information in a broadcast mode, and the target identification field in the second-order SCI carried in the PSSCH is set to an identification corresponding to the broadcast mode.
- the first terminal may indicate M resource sets in a broadcast manner.
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, and the target terminal for each resource set in the M resource sets is for the target terminal.
- the first terminal is agnostic
- the first terminal sends the first information in a broadcast mode, and the target identification field in the second-order SCI carried in the PSSCH is set to the identification corresponding to the broadcast mode, and the first information is also used to indicate the M resource sets The effective distance of each resource set in and the geographic location information of the first terminal.
- the first information is also used to indicate the effective distance of each resource set in the M resource sets and the geographic location information of the first terminal. In this case, only the distance relative to the first terminal A target terminal that is less than the effective distance needs to consider the resource set when selecting resources. That is, when the distance between the target terminal and the first terminal is smaller than the effective distance, the target terminal determines candidate transmission resources according to the resource set for itself in the M resource sets when performing resource selection.
- the first terminal may indicate M resource sets in a broadcast manner.
- the target terminal may determine the sending terminal, that is, the first terminal, according to the source ID indicated by the second-order SCI in the PSSCH.
- the first information is a specific bit field carried in the PSCCH, wherein the specific bit field includes N reserved bits in the reserved bits in the SCI format 1-A carried in the PSCCH, N is a positive integer, and N ⁇ 1. That is, in Example 9, the N reserved bits are used to indicate M resource sets.
- the number of reserved bits in the SCI format 1-A may be pre-configured or agreed in a protocol, or the number of reserved bits in the SCI format 1-A may be configured by a network device.
- the number of reserved bits in SCI format 1-A is 2 ⁇ 4.
- N is pre-configured or agreed in a protocol, or N is configured by a network device.
- the N reserved bits are part or all of the reserved bits in the SCI format 1-A.
- the M resource sets are directed to a target terminal in the second-order SCI associated with the PSCCH (for example, when the first terminal sends the first information in a unicast manner), or the M The resource sets are directed to a group of target terminals in the second-order SCI associated with the PSCCH (for example, when the first terminal sends the first information by multicast).
- Example 9 when the i-th reserved bit in the N reserved bits takes a first value, the first information is also used to instruct the target terminal to reselection after receiving the PSCCH.
- the i+1th reserved resource is as shown in FIG. 13 , wherein the N reserved bits are counted from 0, and the reserved resource is counted from 1, 0 ⁇ i ⁇ N.
- the first value is 1.
- the first information is also used to instruct the target terminal to reselect all the reserved resources.
- the first value is 1.
- the target terminal determines candidate transmission resources according to the resource set for itself in the M resource sets when performing resource selection.
- the first terminal transmits a physical sidelink channel carrying the first information on the target sidelink resource in the transmission window, where the physical sidelink channel is PSCCH or PSSCH.
- the target terminal receives the physical sidelink channel carrying the first information sent by the first terminal on the target sidelink resource in the transmission window, where the physical sidelink channel is PSCCH or PSSCH.
- UE-A can send the PSSCH carrying the first information to UE-A in a unicast manner. B; Alternatively, UE-A can send the PSSCH carrying the first information to multiple terminals, including UE-B, by multicast; or, UE-A can send the PSSCH carrying the first information by broadcasting To multiple terminals, including UE-B. For example, when the resources included in the resource set are the resources selected by UE-A for transmission by the same TB or different TBs, UE-A can send the resources to multiple terminals through multicast or broadcast, with UE-A as the resource.
- the sending terminal of the target can avoid selecting the sending resource in the time slot where the resources in the above resource set are located, so as to avoid causing the half-duplex problem. For another example, if the resources included in the resource set are available or unavailable resources suggested by UE-A to UE-B, UE-A should send the resource set to UE-B in a unicast manner.
- the first terminal operates in the second mode:
- the first terminal determines the target sideline resource from the reserved resources; or, when the first terminal does not have reserved resources in the sending window In the case of reserved resources, the first terminal determines the target sideline resource through resource reselection.
- the reserved resources include the reserved resources indicated by UE-A through signaling or have been selected. However, the reserved resources have not been indicated by signaling, and preferably, UE-A determines the target side-traffic resources from the reserved resources.
- the reserved resources include the reserved resources indicated by UE-A through signaling or the reserved resources. If the reserved resource is selected but not indicated by signaling, preferably, UE-A should trigger resource reselection in the second mode in Ta-T_proc.
- Ta is the starting point of the transmission window
- the value of T_proc is selected by UE-A in the range of [0, T_cap]
- the value of T_cap is related to the subcarrier spacing of the current side line bandwidth part (Band Width Part, BWP), as shown in Table 3 shown.
- the resource selection window shall be determined as [Ta, Tb].
- UE-A needs to determine the first threshold according to the first priority and the priority carried in the sensed PSCCH.
- the resource reselection can specifically be:
- the first terminal performs resource interception
- the first terminal determines the detected side-link resource as the target side-link resource.
- RSRP Reference Signal Received Power
- the first threshold value is determined according to the first priority and the priority carried in the sensed PSCCH.
- the first priority can be obtained in the following manner:
- the first priority is pre-configured or agreed upon in a protocol, or, the first priority is configured by a network device; or,
- the first priority is determined according to the indication of the PSCCH sent by the target terminal.
- the first priority is determined according to resource types in the M resource sets.
- the first priority is determined by UE-A according to the indication of the PSCCH sent by UE-B.
- the value of the first priority may be equal to the priority indicated in the PSCCH of UE-B last received by UE-A, or, if the resource set to be sent by UE-A includes UE-B through the sent
- the first priority is equal to the highest priority indicated in the above one or more PSCCHs.
- the first priority is determined according to the resource types in the M resource sets. For example, if the resource set includes resources that may have a half-duplex problem between UE-A and UE-B, the value a of the first priority, if the resource set includes hidden node interference reserved by UE-B resource, the value of the first priority is b, where a ⁇ b, the values of a and b can be configured by the base station, pre-configured, or defined by a standard.
- the reserved resources include but are not limited to at least one of the following:
- the first terminal indicates the reserved resources through signaling, and the first terminal has selected but has not indicated the reserved resources through signaling.
- the reserved resources include the first terminal signaling through If the reserved resource is indicated or the reserved resource has been selected but has not been indicated by signaling, optionally, the first terminal abandons the sending of the resource set.
- the first terminal operates in the first mode:
- the first terminal determines the target sideline resource from the authorized sideline resource; or,
- the first terminal determines the target lateral resource by triggering the network device to allocate the lateral resource in the sending window.
- UE-A determines the Target sideline resources.
- UE-A if UE-A does not have sidelink transmission resources allocated by the base station within the transmission window [Ta, Tb], then preferably, UE-A should trigger a scheduling request (Scheduling Request, SR ) and buffer status report (Buffer Status Report, BSR) reporting process, apply for sideline transmission resources to the base station, UE-A can send the values of Ta and Tb through BSR or other uplink signaling to assist the base station in allocating sideline transmission resources within the valid time transfer resources.
- SR scheduling request
- BSR buffer Status Report
- the first terminal if the resource set is indicated by a specific bit field in the PSCCH, if the first terminal has no lateral transmission resources allocated by the base station within the transmission window [Ta, Tb], then optionally, the first terminal gives up Sending of resource collections.
- the transmission window is the same as the transmission time range corresponding to the M resource sets; or,
- the transmission window is the intersection of the transmission time ranges corresponding to the M resource sets.
- the present application does not limit the manner of determining the sending time range corresponding to the resource set.
- the first terminal may determine the time range according to the instruction of the target terminal, or determine the time range through a series of configuration or pre-configuration information, and so on.
- the resource pool used by the first terminal for sending the resource set may be the same as or different from the sending resource pool of the target terminal.
- the first terminal may indicate M resource sets to the target terminal, and the M resource sets may be directed to one target terminal, or each of the M resource sets may be directed to one or more resource sets.
- the target terminal can accurately and effectively indicate the resource set to the target terminal.
- the target terminal selects resources, it can determine candidate transmission resources according to the indicated resource set, thereby avoiding the occurrence of hidden nodes, exposed nodes, and semi-transmission resources in resource selection. Duplex and other issues improve the reliability of resource selection on the side link.
- the first terminal may indicate one or more resource sets to the specific bit field carried in the PSCCH, the RRC signaling carried in the PSSCH, the MAC CE signaling carried in the PSSCH, the second-order SCI carried in the PSSCH, etc. target terminal, and a resource set may target one or more target terminals.
- a resource set may target one or more target terminals.
- FIG. 14 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
- the terminal device 300 is a first terminal, and the terminal device 300 includes:
- the communication unit 310 is configured to send first information, where the first information is used to indicate M resource sets, and the M resource sets are directed to one target terminal, or each resource set in the M resource sets is directed to one or more resource sets. target terminals, and the resource set is used to determine candidate transmission resources when the target terminal selects resources, M is a positive integer, and M ⁇ 1.
- the first information includes at least one of the following:
- the specific bit field includes N reserved bits among reserved bits in the SCI format 1-A carried in the PSCCH, where N is a positive integer, and N ⁇ 1.
- N is pre-configured or agreed in a protocol, or N is configured by a network device.
- the M resource sets are directed to a target terminal in the second-order SCI associated with the PSCCH, or the M resource sets are directed to a group of target terminals in the second-order SCI associated with the PSCCH.
- the first information is also used to instruct the target terminal to reselect the i+1-th bit after receiving the PSCCH.
- a reserved resource wherein the N reserved bits are counted from 0, and the reserved resource is counted from 1.
- the first information is also used to instruct the target terminal to reselect all the reserved resources.
- the first value is 1.
- the communication unit 310 is specifically used for:
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, and the M resource sets are for one target terminal,
- the first information is sent to the one target terminal by unicast, and the target identification field in the second-order SCI carried in the PSSCH is set to the identifier of the one target terminal; or,
- the first information is sent to the one target terminal in a broadcast manner, and the first information is also used to indicate the identity of the one target terminal.
- the communication unit 310 is specifically used for:
- the resource set is for multiple target terminals
- the first information is sent to the multiple target terminals in a multicast manner, and the target identifier field in the second-order SCI carried in the PSSCH is set to the group identifier corresponding to the multiple target terminals; or,
- the first information is sent to the plurality of target terminals in a broadcast mode, and the target identification field in the second-order SCI carried in the PSSCH is set to the identification corresponding to the broadcast mode, and the first information is also used to indicate the plurality of target terminals.
- the identity of the target terminal is sent to the plurality of target terminals in a broadcast mode, and the target identification field in the second-order SCI carried in the PSSCH is set to the identification corresponding to the broadcast mode, and the first information is also used to indicate the plurality of target terminals. The identity of the target terminal.
- the communication unit 310 is specifically used for:
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, M ⁇ 2, and each resource set in the M resource sets is directed to a target terminal's case,
- the first information is sent to M target terminals in a broadcast mode, and the target identification field in the second-order SCI carried in the PSSCH is set to the identification corresponding to the broadcast mode, and the first information is also used to indicate the M resources The identity of the target terminal targeted by each resource set in the set.
- the communication unit 310 is specifically used for:
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, M ⁇ 2, and each resource set in the M resource sets is directed to multiple target terminals in the case of,
- the first information is sent to all target terminals targeted by the M resource sets in a broadcast mode, and the target identification field in the second-order SCI carried in the PSSCH is set to the identification corresponding to the broadcast mode, and the first information is also used. is used to indicate the identifiers of multiple target terminals for which each resource set in the M resource sets is directed.
- the communication unit 310 is specifically used for:
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, and the target terminal for each resource set in the M resource sets is for the first terminal.
- the first information is sent by broadcasting, and the target identifier field in the second-order SCI carried in the PSSCH is set to the identifier corresponding to broadcasting; or,
- the first information is sent by broadcasting, and the target identifier field in the second-order SCI carried in the PSSCH is set to the identifier corresponding to broadcasting, and the first information is also used to indicate each of the M resource sets The effective distance of the resource set and the geographic location information of the first terminal.
- the communication unit 310 is specifically used for:
- the physical side channel channel carrying the first information is sent on the target side channel resource in the transmission window, where the physical side channel channel is PSCCH or PSSCH.
- the terminal device 300 further includes: a processing unit 320, wherein:
- the processing unit 320 is configured to determine the target sideline resource from the reserved resources; or,
- the processing unit 320 is configured to determine the target sideline resource through resource reselection.
- processing unit 320 is specifically used for:
- the detected sidelink resource is determined as the target sidelink resource, where the first threshold value is based on the first threshold.
- a priority is determined by the priority carried in the sensed PSCCH.
- the first priority is pre-configured or agreed in a protocol, or, the first priority is configured by a network device; or,
- the first priority is determined according to the indication of the PSCCH sent by the target terminal.
- the first priority is determined according to resource types in the M resource sets.
- the reserved resources include at least one of the following: the first terminal indicates the reserved resources through signaling, and the first terminal has selected but has not indicated the reserved resources through signaling.
- the terminal device 300 further includes: a processing unit 320, wherein:
- the processing unit 320 is configured to determine the target sideline resource from the authorized sideline resource; or,
- the processing unit 320 is configured to trigger the network device to allocate sideline resources within the sending window to determine the target sideline resources .
- the sending window is the same as the sending time range corresponding to the M resource sets; or,
- the transmission window is the intersection of the transmission time ranges corresponding to the M resource sets.
- 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 300 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 300 are respectively for realizing the method shown in FIG. 12 .
- the corresponding process of the first terminal in 200 is not repeated here for brevity.
- FIG. 15 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
- the terminal device 400 is a target terminal, and the terminal device 400 includes:
- a communication unit 410 configured to receive first information sent by a first terminal, where the first information is used to indicate M resource sets, the M resource sets are for one target terminal, or, each resource in the M resource sets The set is directed to one or more target terminals, and the resource set is used to determine candidate transmission resources when the target terminal selects resources, M is a positive integer, and M ⁇ 1.
- the first information includes at least one of the following:
- the specific bit field includes N reserved bits among reserved bits in the SCI format 1-A carried in the PSCCH, where N is a positive integer, and N ⁇ 1.
- N is pre-configured or agreed in a protocol, or N is configured by a network device.
- the M resource sets are directed to a target terminal in the second-order SCI associated with the PSCCH, or the M resource sets are directed to a group of target terminals in the second-order SCI associated with the PSCCH.
- the first information is also used to instruct the target terminal to reselect the i+1-th bit after receiving the PSCCH.
- a reserved resource wherein the N reserved bits are counted from 0, and the reserved resource is counted from 1.
- the first information is also used to instruct the target terminal to reselect all the reserved resources.
- the first value is 1.
- the communication unit 410 is specifically used for:
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, and the M resource sets are for one target terminal,
- the target identification field in the second-order SCI carried in the PSSCH is set to the identification of the one target terminal;
- the first information sent by the first terminal in a broadcast manner is received, and the first information is also used to indicate the identity of the one target terminal.
- the communication unit 410 is specifically used for:
- the resource set is for multiple target terminals
- the target identification field in the second-order SCI carried in the PSSCH is set to the group identification corresponding to the multiple target terminals;
- the communication unit 410 is specifically used for:
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, M ⁇ 2, and each resource set in the M resource sets is directed to a target terminal's case,
- the communication unit 410 is specifically used for:
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, M ⁇ 2, and each resource set in the M resource sets is directed to multiple target terminals in the case of,
- the communication unit 410 is specifically used for:
- the first information is any one of RRC signaling, MAC CE signaling, and second-order SCI carried in the PSSCH, and the target terminal for each resource set in the M resource sets is for the first terminal.
- the terminal device 400 further includes: a processing unit 420, wherein:
- the processing unit 420 is configured to determine candidate transmission resources according to the resource set for itself in the M resource sets when performing resource selection.
- the terminal device 400 further includes:
- the processing unit 420 is configured to determine candidate transmission resources according to the resource set for itself in the M resource sets during resource selection.
- the communication unit 410 is specifically used for:
- a physical sidelink channel that carries the first information and is sent by the first terminal on the target sidelink resource in the sending window is received, where the physical sidelink channel is PSCCH or PSSCH.
- the target sideline resource is determined by the first terminal from the reserved resources.
- the target sideline resource is determined by the first terminal through resource reselection.
- the reserved resources include at least one of the following: the first terminal indicates the reserved resources through signaling, and the first terminal has selected but has not indicated the reserved resources through signaling.
- the target sideline resource is determined by the first terminal from the authorized sideline resource;
- the target sideline resources are determined by the first terminal by triggering the network device to allocate sideline resources within the sending window.
- the sending window is the same as the sending time range corresponding to the M resource sets; or,
- the transmission window is the intersection of the transmission time ranges corresponding to the M resource sets.
- the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
- the aforementioned processing unit may be one or more processors.
- the terminal device 400 may correspond to the target terminal 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 for realizing the method shown in FIG. 12 .
- the corresponding process of the target terminal in 200 is not repeated here for brevity.
- FIG. 16 is a schematic structural diagram of a communication device 500 provided by an embodiment of the present application.
- the communication device 500 shown in FIG. 16 includes a processor 510, and the processor 510 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 500 may further include a memory 520 .
- the processor 510 may call and run a computer program from the memory 520 to implement the methods in the embodiments of the present application.
- the memory 520 may be a separate device independent of the processor 510 , or may be integrated in the processor 510 .
- the communication device 500 may further include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by a device.
- the transceiver 530 may include a transmitter and a receiver.
- the transceiver 530 may further include antennas, and the number of the antennas may be one or more.
- the communication device 500 may specifically be the first terminal of this embodiment of the present application, and the communication device 500 may implement the corresponding processes implemented by the first terminal in each method of the embodiments of the present application. Repeat.
- the communication device 500 may specifically be the target terminal of the embodiments of the present application, and the communication device 500 may implement the corresponding processes implemented by the target terminal in each method of the embodiments of the present application. For brevity, details are not repeated here. .
- FIG. 17 is a schematic structural diagram of an apparatus according to an embodiment of the present application.
- the apparatus 600 shown in FIG. 17 includes a processor 610, and the processor 610 can call and run a computer program from a memory, so as to implement the method in this embodiment of the present application.
- the apparatus 600 may further include a memory 620 .
- the processor 610 may call and run a computer program from the memory 620 to implement the methods in the embodiments of the present application.
- the memory 620 may be a separate device independent of the processor 610 , or may be integrated in the processor 610 .
- the apparatus 600 may further include an input interface 630 .
- the processor 610 may control the input interface 630 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
- the apparatus 600 may further include an output interface 640 .
- the processor 610 can control the output interface 640 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
- the apparatus may be applied to the first terminal in the embodiment of the present application, and the apparatus may implement the corresponding processes implemented by the first terminal in each method of the embodiment of the present application, which is not repeated here for brevity.
- the apparatus can be applied to the target terminal in the embodiments of the present application, and the apparatus can implement the corresponding processes implemented by the target terminal in each method of the embodiments of the present application, which is not repeated here for brevity.
- the device mentioned in the embodiment of the present application may also be a chip.
- it can be a system-on-chip, a system-on-a-chip, a system-on-a-chip, or a system-on-a-chip.
- FIG. 18 is a schematic block diagram of a communication system 700 provided by an embodiment of the present application. As shown in FIG. 18 , the communication system 700 includes a first terminal 710 and a target terminal 720 .
- the first terminal 710 can be used to implement the corresponding functions implemented by the first terminal in the above method
- the target terminal 720 can be used to implement the corresponding functions implemented by the target terminal in the above method. Repeat.
- the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
- each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
- the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
- the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
- the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
- the memory in this embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
- RAM Static RAM
- DRAM Dynamic RAM
- SDRAM Synchronous DRAM
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM DDR SDRAM
- enhanced SDRAM ESDRAM
- synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
- Direct Rambus RAM Direct Rambus RAM
- the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
- Embodiments of the present application further provide a computer-readable storage medium for storing a computer program.
- the computer-readable storage medium can be applied to the first terminal in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the first terminal in each method of the embodiments of the present application.
- the computer program enables the computer to execute the corresponding processes implemented by the first terminal in each method of the embodiments of the present application.
- the computer-readable storage medium can be applied to the target terminal in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the target terminal in the various methods of the embodiments of the present application.
- the computer program enables the computer to execute the corresponding processes implemented by the target terminal in the various methods of the embodiments of the present application.
- Embodiments of the present application also provide a computer program product, including computer program instructions.
- the computer program product may be applied to the first terminal 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 in each method of the embodiments of the present application. This will not be repeated here.
- the computer program product can be applied to the target terminal in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the target terminal in each method of the embodiments of the present application. Repeat.
- the embodiments of the present application also provide a computer program.
- the computer program may be applied to the first terminal in the embodiments of the present application, and when the computer program is run on the computer, the computer executes the corresponding processes implemented by the first terminal in each method of the embodiments of the present application, For brevity, details are not repeated here.
- the computer program can be applied to the target terminal in the embodiments of the present application.
- the computer program runs on the computer, the computer executes the corresponding processes implemented by the target terminal in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
- the disclosed system, apparatus and method may be implemented in other manners.
- the apparatus embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
- the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
- the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
- the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution.
- the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
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Abstract
Description
| 资源集合0 | 资源集合0针对终端的ID |
| 资源集合1 | 资源集合1针对终端的ID |
| … | … |
| 资源集合M-1 | 资源集合M-1针对终端的ID |
| 子载波间隔 | T_cap[时隙] |
| 15kHz | 3 |
| 30kHz | 5 |
| 60kHz | 9 |
| 120kHz | 17 |
Claims (90)
- 一种传输资源集合的方法,其特征在于,包括:第一终端发送第一信息,所述第一信息用于指示M个资源集合,所述M个资源集合针对一个目标终端,或者,所述M个资源集合中的每个资源集合针对一个或者多个目标终端,且所述资源集合用于目标终端进行资源选取时确定候选传输资源,M为正整数,且M≥1。
- 如权利要求1所述的方法,其特征在于,所述第一信息包括以下中的至少一种:物理侧行控制信道PSCCH中承载的特定比特域、物理侧行共享信道PSSCH中承载的无线资源控制RRC信令、PSSCH中承载的媒体接入控制控制元素MAC CE信令、PSSCH中承载的第二阶侧行控制信息SCI。
- 如权利要求2所述的方法,其特征在于,所述特定比特域包括PSCCH中承载的SCI格式1-A中预留比特中的N个预留比特,N为正整数,且N≥1。
- 如权利要求3所述的方法,其特征在于,N为预配置或者协议约定的,或者,N为网络设备配置的。
- 如权利要求3或4所述的方法,其特征在于,所述M个资源集合针对所述PSCCH关联的第二阶SCI中的一个目标终端,或者,所述M个资源集合针对所述PSCCH关联的第二阶SCI中的一组目标终端。
- 如权利要求3至5中任一项所述的方法,其特征在于,当所述N个预留比特中的第i个预留比特取第一值的情况下,所述第一信息还用于指示目标终端重选接收到所述PSCCH之后的第i+1个预留资源,其中,所述N个预留比特从0开始计数,所述预留资源从1开始计数。
- 如权利要求3至5中任一项所述的方法,其特征在于,当N=1且预留比特取第一值的情况下,所述第一信息还用于指示目标终端重选预留的所有资源。
- 如权利要求6或7所述的方法,其特征在于,所述第一值为1。
- 如权利要求1或2所述的方法,其特征在于,所述第一终端发送第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,且所述M个资源集合针对一个目标终端的情况下,所述第一终端通过单播方式向所述一个目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为所述一个目标终端的标识;或者,所述第一终端通过广播方式向所述一个目标终端发送所述第一信息,且所述第一信息还用于指示所述一个目标终端的标识。
- 如权利要求1或2所述的方法,其特征在于,所述第一终端发送第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M=1,且所述资源集合针对多个目标终端的情况下,所述第一终端通过组播方式向所述多个目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为所述多个目标终端对应的组标识;或者,所述第一终端通过广播方式向所述多个目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述多个目标终端的标识。
- 如权利要求1或2所述的方法,其特征在于,所述第一终端发送第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M≥2,且所述M个资源集合中的每个资源集合针对一个目标终端的情况下,所述第一终端通过广播方式向M个目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合所针对的目标终端的标识。
- 如权利要求1或2所述的方法,其特征在于,所述第一终端发送第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M≥2,且所述M个资源集合中的每个资源集合针对多个目标终端的情况下,所述第一终端通过广播方式向所述M个资源集合针对的所有目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合所针对的多个目标终端的标识。
- 如权利要求1或2所述的方法,其特征在于,所述第一终端发送第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,且所 述M个资源集合中的每个资源集合针对的目标终端对于所述第一终端不可知的情况下,所述第一终端通过广播方式发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识;或者,所述第一终端通过广播方式发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合的有效距离和所述第一终端的地理位置信息。
- 如权利要求1至13中任一项所述的方法,其特征在于,所述第一终端发送第一信息,包括:所述第一终端在发送窗内的目标侧行资源上发送承载所述第一信息的物理侧行信道,其中,所述物理侧行信道为PSCCH或PSSCH。
- 如权利要求14所述的方法,其特征在于,所述方法还包括:当所述第一终端在所述发送窗内存在预留资源的情况下,所述第一终端从所述预留资源中确定所述目标侧行资源;或者,当所述第一终端在所述发送窗内不存在预留资源的情况下,所述第一终端通过资源重选确定所述目标侧行资源。
- 如权利要求15所述的方法,其特征在于,所述第一终端通过资源重选确定所述目标侧行资源,包括:所述第一终端进行资源侦听;当侦听到的侧行资源的侧行参考信号接收功率RSRP不超过第一阈值的情况下,所述第一终端将侦听到的侧行资源确定为所述目标侧行资源,其中,所述第一阈值为根据第一优先级和侦听到的PSCCH中携带的优先级确定的。
- 如权利要求16所述的方法,其特征在于,所述第一优先级为预配置或者协议约定的,或者,所述第一优先级为网络设备配置的;或者,所述第一优先级为根据目标终端发送的PSCCH的指示确定的;或者,所述第一优先级为根据所述M个资源集合中的资源类型确定的。
- 如权利要求15至17中任一项所述的方法,其特征在于,所述预留资源包括以下中的至少一种:所述第一终端通过信令指示预留的资源,所述第一终端已经选取但尚未通过信令指示预留的资源。
- 如权利要求14所述的方法,其特征在于,所述方法还包括:当所述第一终端在所述发送窗内存在网络设备授权的侧行资源的情况下,所述第一终端从所述授权的侧行资源中确定所述目标侧行资源;或者,当所述第一终端在所述发送窗内不存在网络设备授权的侧行资源的情况下,所述第一终端通过触发网络设备在所述发送窗内分配侧行资源,以确定所述目标侧行资源。
- 如权利要求14至19中任一项所述的方法,其特征在于,当M=1的情况下,所述发送窗与所述M个资源集合对应的发送时间范围相同;或者,当M≥2的情况下,所述发送窗为所述M个资源集合对应的发送时间范围的交集。
- 一种传输资源集合的方法,其特征在于,包括:目标终端接收第一终端发送的第一信息,所述第一信息用于指示M个资源集合,所述M个资源集合针对一个目标终端,或者,所述M个资源集合中的每个资源集合针对一个或者多个目标终端,且所述资源集合用于目标终端进行资源选取时确定候选传输资源,M为正整数,且M≥1。
- 如权利要求21所述的方法,其特征在于,所述第一信息包括以下中的至少一种:物理侧行控制信道PSCCH中承载的特定比特域、物理侧行共享信道PSSCH中承载的无线资源控制RRC信令、PSSCH中承载的媒体接入控制控制元素MAC CE信令、PSSCH中承载的第二阶侧行控制信息SCI。
- 如权利要求22所述的方法,其特征在于,所述特定比特域包括PSCCH中承载的SCI格式1-A中预留比特中的N个预留比特,N为正整数,且N≥1。
- 如权利要求23所述的方法,其特征在于,N为预配置或者协议约定的,或者,N为网络设备配置的。
- 如权利要求23或24所述的方法,其特征在于,所述M个资源集合针对所述PSCCH关联的第二阶SCI中的一个目标终端,或者,所述M个资源集合针对所述PSCCH关联的第二阶SCI中的一组目标终端。
- 如权利要求23至25中任一项所述的方法,其特征在于,当所述N个预留比特中的第i个预留比特取第一值的情况下,所述第一信息还用于指示目标终端重选接收到所述PSCCH之后的第i+1个预留资源,其中,所述N个预留比特从0开始计数,所述预 留资源从1开始计数。
- 如权利要求23至25中任一项所述的方法,其特征在于,当N=1且预留比特取第一值的情况下,所述第一信息还用于指示目标终端重选预留的所有资源。
- 如权利要求26或27所述的方法,其特征在于,所述第一值为1。
- 如权利要求21或22所述的方法,其特征在于,所述目标终端接收第一终端发送的第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,且所述M个资源集合针对一个目标终端的情况下,所述目标终端接收所述第一终端通过单播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为所述一个目标终端的标识;或者,所述目标终端接收所述第一终端通过广播方式发送的所述第一信息,且所述第一信息还用于指示所述一个目标终端的标识。
- 如权利要求21或22所述的方法,其特征在于,所述目标终端接收第一终端发送的第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M=1,且所述资源集合针对多个目标终端的情况下,所述目标终端接收所述第一终端通过组播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为所述多个目标终端对应的组标识;或者,所述目标终端接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述多个目标终端的标识。
- 如权利要求21或22所述的方法,其特征在于,所述目标终端接收第一终端发送的第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M≥2,且所述M个资源集合中的每个资源集合针对一个目标终端的情况下,所述目标终端接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合所针对的目标终端的标识。
- 如权利要求21或22所述的方法,其特征在于,所述目标终端接收第一终端发送的第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M≥2,且所述M个资源集合中的每个资源集合针对多个目标终端的情况下,所述目标终端接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合所针对的多个目标终端的标识。
- 如权利要求21或22所述的方法,其特征在于,所述目标终端接收第一终端发送的第一信息,包括:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,且所述M个资源集合中的每个资源集合针对的目标终端对于所述第一终端不可知的情况下,所述目标终端接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识;或者,所述目标终端接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合的有效距离和所述第一终端的地理位置信息。
- 如权利要求33所述的方法,其特征在于,所述方法还包括:在所述第一信息还用于指示所述M个资源集合中的每个资源集合的有效距离和所述第一终端的地理位置信息的情况下,以及在所述目标终端与所述第一终端之间的距离小于所述有效距离的情况下,所述目标终端进行资源选取时根据所述M个资源集合中针对自身的资源集合确定候选传输资源。
- 如权利要求21至33中任一项所述的方法,其特征在于,所述方法还包括:所述目标终端进行资源选取时根据所述M个资源集合中针对自身的资源集合确定候选传输资源。
- 如权利要求21至35中任一项所述的方法,其特征在于,所述目标终端接收第一终端发送的第一信息,包括:所述目标终端接收所述第一终端在发送窗内的目标侧行资源上发送的承载所述第一信息的物理侧行信道,其中,所述物理侧行信道为PSCCH或PSSCH。
- 如权利要求36所述的方法,其特征在于,当所述第一终端在所述发送窗内存在预留资源的情况下,所述目标侧行资源为所述第一终端从所述预留资源中确定的;或者,当所述第一终端在所述发送窗内不存在预留资源的情况下,所述目标侧行资源为所述第一终端通过资源重选确定的。
- 如权利要求37所述的方法,其特征在于,所述预留资源包括以下中的至少一种:所述第一终端通过信令指示预留的资源,所述第一终端已经选取但尚未通过信令指示预留的资源。
- 如权利要求36所述的方法,其特征在于,当所述第一终端在所述发送窗内存在网络设备授权的侧行资源的情况下,所述目标侧行资源为所述第一终端从所述授权的侧行资源中确定的;或者,当所述第一终端在所述发送窗内不存在网络设备授权的侧行资源的情况下,所述目标侧行资源为所述第一终端通过触发网络设备在所述发送窗内分配侧行资源来确定的。
- 如权利要求36至39中任一项所述的方法,其特征在于,当M=1的情况下,所述发送窗与所述M个资源集合对应的发送时间范围相同;或者,当M≥2的情况下,所述发送窗为所述M个资源集合对应的发送时间范围的交集。
- 一种终端设备,其特征在于,所述终端设备为第一终端,所述终端设备包括:通信单元,用于发送第一信息,所述第一信息用于指示M个资源集合,所述M个资源集合针对一个目标终端,或者,所述M个资源集合中的每个资源集合针对一个或者多个目标终端,且所述资源集合用于目标终端进行资源选取时确定候选传输资源,M为正整数,且M≥1。
- 如权利要求41所述的终端设备,其特征在于,所述第一信息包括以下中的至少一种:物理侧行控制信道PSCCH中承载的特定比特域、物理侧行共享信道PSSCH中承载的无线资源控制RRC信令、PSSCH中承载的媒体接入控制控制元素MAC CE信令、PSSCH中承载的第二阶侧行控制信息SCI。
- 如权利要求42所述的终端设备,其特征在于,所述特定比特域包括PSCCH中承载的SCI格式1-A中预留比特中的N个预留比特,N为正整数,且N≥1。
- 如权利要求43所述的终端设备,其特征在于,N为预配置或者协议约定的,或者,N为网络设备配置的。
- 如权利要求43或44所述的终端设备,其特征在于,所述M个资源集合针对所述PSCCH关联的第二阶SCI中的一个目标终端,或者,所述M个资源集合针对所述PSCCH关联的第二阶SCI中的一组目标终端。
- 如权利要求43至45中任一项所述的终端设备,其特征在于,当所述N个预留比特中的第i个预留比特取第一值的情况下,所述第一信息还用于指示目标终端重选接收到所述PSCCH之后的第i+1个预留资源,其中,所述N个预留比特从0开始计数,所述预留资源从1开始计数。
- 如权利要求43至45中任一项所述的终端设备,其特征在于,当N=1且预留比特取第一值的情况下,所述第一信息还用于指示目标终端重选预留的所有资源。
- 如权利要求46或47所述的终端设备,其特征在于,所述第一值为1。
- 如权利要求41或42所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,且所述M个资源集合针对一个目标终端的情况下,通过单播方式向所述一个目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为所述一个目标终端的标识;或者,通过广播方式向所述一个目标终端发送所述第一信息,且所述第一信息还用于指示所述一个目标终端的标识。
- 如权利要求41或42所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M=1,且所述资源集合针对多个目标终端的情况下,通过组播方式向所述多个目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为所述多个目标终端对应的组标识;或者,通过广播方式向所述多个目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的 目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述多个目标终端的标识。
- 如权利要求41或42所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M≥2,且所述M个资源集合中的每个资源集合针对一个目标终端的情况下,通过广播方式向M个目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合所针对的目标终端的标识。
- 如权利要求41或42所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M≥2,且所述M个资源集合中的每个资源集合针对多个目标终端的情况下,通过广播方式向所述M个资源集合针对的所有目标终端发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合所针对的多个目标终端的标识。
- 如权利要求41或42所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,且所述M个资源集合中的每个资源集合针对的目标终端对于所述第一终端不可知的情况下,通过广播方式发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识;或者,通过广播方式发送所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合的有效距离和所述第一终端的地理位置信息。
- 如权利要求41至53中任一项所述的终端设备,其特征在于,所述通信单元具体用于:在发送窗内的目标侧行资源上发送承载所述第一信息的物理侧行信道,其中,所述物理侧行信道为PSCCH或PSSCH。
- 如权利要求54所述的终端设备,其特征在于,所述终端设备还包括:处理单元,其中,当所述第一终端在所述发送窗内存在预留资源的情况下,所述处理单元用于从所述预留资源中确定所述目标侧行资源;或者,当所述第一终端在所述发送窗内不存在预留资源的情况下,所述处理单元用于通过资源重选确定所述目标侧行资源。
- 如权利要求55所述的终端设备,其特征在于,所述处理单元具体用于:进行资源侦听;当侦听到的侧行资源的侧行参考信号接收功率RSRP不超过第一阈值的情况下,将侦听到的侧行资源确定为所述目标侧行资源,其中,所述第一阈值为根据第一优先级和侦听到的PSCCH中携带的优先级确定的。
- 如权利要求56所述的终端设备,其特征在于,所述第一优先级为预配置或者协议约定的,或者,所述第一优先级为网络设备配置的;或者,所述第一优先级为根据目标终端发送的PSCCH的指示确定的;或者,所述第一优先级为根据所述M个资源集合中的资源类型确定的。
- 如权利要求55至57中任一项所述的终端设备,其特征在于,所述预留资源包括以下中的至少一种:所述第一终端通过信令指示预留的资源,所述第一终端已经选取但尚未通过信令指示预留的资源。
- 如权利要求54所述的终端设备,其特征在于,所述终端设备还包括:处理单元,其中,当所述第一终端在所述发送窗内存在网络设备授权的侧行资源的情况下,所述处理单元用于从所述授权的侧行资源中确定所述目标侧行资源;或者,当所述第一终端在所述发送窗内不存在网络设备授权的侧行资源的情况下,所述处理单元用于通过触发网络设备在所述发送窗内分配侧行资源,以确定所述目标侧行资源。
- 如权利要求54至59中任一项所述的终端设备,其特征在于,当M=1的情况下,所述发送窗与所述M个资源集合对应的发送时间范围相同;或者,当M≥2的情况下,所述发送窗为所述M个资源集合对应的发送时间范围的交集。
- 一种终端设备,其特征在于,所述终端设备为目标终端,所述终端设备包括:通信单元,用于接收第一终端发送的第一信息,所述第一信息用于指示M个资源集合,所述M个资源集合针对一个目标终端,或者,所述M个资源集合中的每个资源集合针对一个或者多个目标 终端,且所述资源集合用于目标终端进行资源选取时确定候选传输资源,M为正整数,且M≥1。
- 如权利要求61所述的终端设备,其特征在于,所述第一信息包括以下中的至少一种:物理侧行控制信道PSCCH中承载的特定比特域、物理侧行共享信道PSSCH中承载的无线资源控制RRC信令、PSSCH中承载的媒体接入控制控制元素MAC CE信令、PSSCH中承载的第二阶侧行控制信息SCI。
- 如权利要求62所述的终端设备,其特征在于,所述特定比特域包括PSCCH中承载的SCI格式1-A中预留比特中的N个预留比特,N为正整数,且N≥1。
- 如权利要求63所述的终端设备,其特征在于,N为预配置或者协议约定的,或者,N为网络设备配置的。
- 如权利要求63或64所述的终端设备,其特征在于,所述M个资源集合针对所述PSCCH关联的第二阶SCI中的一个目标终端,或者,所述M个资源集合针对所述PSCCH关联的第二阶SCI中的一组目标终端。
- 如权利要求63至65中任一项所述的终端设备,其特征在于,当所述N个预留比特中的第i个预留比特取第一值的情况下,所述第一信息还用于指示目标终端重选接收到所述PSCCH之后的第i+1个预留资源,其中,所述N个预留比特从0开始计数,所述预留资源从1开始计数。
- 如权利要求63至65中任一项所述的终端设备,其特征在于,当N=1且预留比特取第一值的情况下,所述第一信息还用于指示目标终端重选预留的所有资源。
- 如权利要求66或67所述的终端设备,其特征在于,所述第一值为1。
- 如权利要求61或62所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,且所述M个资源集合针对一个目标终端的情况下,接收所述第一终端通过单播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为所述一个目标终端的标识;或者,接收所述第一终端通过广播方式发送的所述第一信息,且所述第一信息还用于指示所述一个目标终端的标识。
- 如权利要求61或62所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M=1,且所述资源集合针对多个目标终端的情况下,接收所述第一终端通过组播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为所述多个目标终端对应的组标识;或者,接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述多个目标终端的标识。
- 如权利要求61或62所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M≥2,且所述M个资源集合中的每个资源集合针对一个目标终端的情况下,接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合所针对的目标终端的标识。
- 如权利要求61或62所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,M≥2,且所述M个资源集合中的每个资源集合针对多个目标终端的情况下,接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资源集合所针对的多个目标终端的标识。
- 如权利要求61或62所述的终端设备,其特征在于,所述通信单元具体用于:在所述第一信息为PSSCH中承载的RRC信令、MAC CE信令、第二阶SCI中的任意一种,且所述M个资源集合中的每个资源集合针对的目标终端对于所述第一终端不可知的情况下,接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识;或者,接收所述第一终端通过广播方式发送的所述第一信息,且所述PSSCH中承载的第二阶SCI中的目标标识域被设置为广播方式对应的标识,所述第一信息还用于指示所述M个资源集合中的每个资 源集合的有效距离和所述第一终端的地理位置信息。
- 如权利要求73所述的终端设备,其特征在于,所述终端设备还包括:处理单元,其中,在所述第一信息还用于指示所述M个资源集合中的每个资源集合的有效距离和所述第一终端的地理位置信息的情况下,以及在所述目标终端与所述第一终端之间的距离小于所述有效距离的情况下,所述处理单元用于进行资源选取时根据所述M个资源集合中针对自身的资源集合确定候选传输资源。
- 如权利要求61至73中任一项所述的终端设备,其特征在于,所述终端设备还包括:处理单元,用于进行资源选取时根据所述M个资源集合中针对自身的资源集合确定候选传输资源。
- 如权利要求61至75中任一项所述的终端设备,其特征在于,所述通信单元具体用于:接收所述第一终端在发送窗内的目标侧行资源上发送的承载所述第一信息的物理侧行信道,其中,所述物理侧行信道为PSCCH或PSSCH。
- 如权利要求76所述的终端设备,其特征在于,当所述第一终端在所述发送窗内存在预留资源的情况下,所述目标侧行资源为所述第一终端从所述预留资源中确定的;或者,当所述第一终端在所述发送窗内不存在预留资源的情况下,所述目标侧行资源为所述第一终端通过资源重选确定的。
- 如权利要求77所述的终端设备,其特征在于,所述预留资源包括以下中的至少一种:所述第一终端通过信令指示预留的资源,所述第一终端已经选取但尚未通过信令指示预留的资源。
- 如权利要求76所述的终端设备,其特征在于,当所述第一终端在所述发送窗内存在网络设备授权的侧行资源的情况下,所述目标侧行资源为所述第一终端从所述授权的侧行资源中确定的;或者,当所述第一终端在所述发送窗内不存在网络设备授权的侧行资源的情况下,所述目标侧行资源为所述第一终端通过触发网络设备在所述发送窗内分配侧行资源来确定的。
- 如权利要求76至79中任一项所述的终端设备,其特征在于,当M=1的情况下,所述发送窗与所述M个资源集合对应的发送时间范围相同;或者,当M≥2的情况下,所述发送窗为所述M个资源集合对应的发送时间范围的交集。
- 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20中任一项所述的方法。
- 一种网络设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求21至40中任一项所述的方法。
- 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20中任一项所述的方法。
- 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21至40中任一项所述的方法。
- 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20中任一项所述的方法。
- 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21至40中任一项所述的方法。
- 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20中任一项所述的方法。
- 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21至40中任一项所述的方法。
- 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20中任一项所述的方法。
- 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21至40中任一项所述的方法。
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| WO2024255537A1 (zh) * | 2023-06-16 | 2024-12-19 | 华为技术有限公司 | 通信方法、装置及系统 |
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| US12256415B2 (en) * | 2021-04-05 | 2025-03-18 | Qualcomm Incorporated | Broadcast of sidelink resource indication |
| WO2025147859A1 (zh) * | 2024-01-09 | 2025-07-17 | Oppo广东移动通信有限公司 | 无线通信方法以及终端设备 |
| CN120614701A (zh) * | 2024-03-06 | 2025-09-09 | 中国移动通信有限公司研究院 | 传输方法、设备及存储介质 |
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| EP4203579A1 (en) | 2023-06-28 |
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| EP4203579B1 (en) | 2025-04-23 |
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| KR20230074161A (ko) | 2023-05-26 |
| CN115918203A (zh) | 2023-04-04 |
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| ES3027234T3 (en) | 2025-06-13 |
| KR102936921B1 (ko) | 2026-03-10 |
| JP7575579B2 (ja) | 2024-10-29 |
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