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WO2025050295A1 - Procédé et appareil utilisés dans un nœud pour des communications sans fil - Google Patents

Procédé et appareil utilisés dans un nœud pour des communications sans fil Download PDF

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Publication number
WO2025050295A1
WO2025050295A1 PCT/CN2023/117073 CN2023117073W WO2025050295A1 WO 2025050295 A1 WO2025050295 A1 WO 2025050295A1 CN 2023117073 W CN2023117073 W CN 2023117073W WO 2025050295 A1 WO2025050295 A1 WO 2025050295A1
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WO
WIPO (PCT)
Prior art keywords
resources
signal
side signal
sidewalk
node
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PCT/CN2023/117073
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English (en)
Chinese (zh)
Inventor
吕玲
赵铮
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Quectel Wireless Solutions Co Ltd
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Quectel Wireless Solutions Co Ltd
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Priority to CN202380011758.2A priority Critical patent/CN117413603A/zh
Priority to PCT/CN2023/117073 priority patent/WO2025050295A1/fr
Publication of WO2025050295A1 publication Critical patent/WO2025050295A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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

Definitions

  • the present application relates to the field of communication technology, and more specifically, to a method and device in a node for wireless communication.
  • the embodiments of the present application provide a method and an apparatus in a node for wireless communication.
  • the following introduces various aspects involved in the present application.
  • a method in a first node for wireless communication, comprising: receiving first information, wherein the first information is used to determine a plurality of side signal resources; sending a first side signal group on the first side signal resource; wherein the plurality of side signal resources are associated with a plurality of first-category identifiers, the first identifier is one of the plurality of first-category identifiers, the first identifier is related to the first node, and the first identifier is used to determine the first side signal resource from the plurality of side signal resources.
  • a method in a second node for wireless communication, comprising: receiving first information, wherein the first information is used to determine multiple side signal resources; receiving at least one side signal in a first side signal group on the first side signal resource; wherein the multiple side signal resources are associated with multiple first-class identifiers, the first identifier is one of the multiple first-class identifiers, the first identifier is related to the first side signal resource, and the first identifier is used to determine the first node that sends the one or more side signals.
  • a method in a third node for wireless communication, comprising: sending first information, wherein the first information is used to determine a plurality of side signal resources; wherein the plurality of side signal resources are associated with a plurality of first-category identifiers, a first identifier is one of the plurality of first-category identifiers, the first identifier is related to a first node receiving the first information, and the first identifier is used by the first node to determine a first side signal resource for sending a first side signal group from the plurality of side signal resources.
  • a first node for wireless communication comprising: a first receiver for receiving first information, wherein the first information is used to determine a plurality of side signal resources; and a first transmitter for sending a first side signal group on the first side signal resource; wherein the plurality of side signal resources are associated with a plurality of first-class identifiers, the first identifier is one of the plurality of first-class identifiers, the first identifier is related to the first node, and the first identifier is used to determine the first side signal resource from the plurality of side signal resources.
  • a second node for wireless communication comprising: a third receiver for receiving first information, wherein the first information is used to determine multiple side signal resources; a fourth receiver for receiving at least one side signal in a first side signal group on the first side signal resource; wherein the multiple side signal resources are associated with multiple first-class identifiers, the first identifier is one of the multiple first-class identifiers, the first identifier is related to the first side signal resource, and the first identifier is used to determine the first node that sends the one or more side signals.
  • a third node for wireless communication comprising: a second transmitter, for sending first information, wherein the first information is used to determine a plurality of side signal resources; wherein the plurality of side signal resources are associated with a plurality of first-category identifiers, a first identifier is one of the plurality of first-category identifiers, the first identifier is related to a first node receiving the first information, and the first identifier is used by the first node to determine a first side signal resource for sending a first side signal group from the plurality of side signal resources.
  • a first node used for wireless communication comprising a transceiver, a memory and a processor, wherein the memory is used to store programs, the processor is used to call the programs in the memory and control the transceiver to receive or send signals so that the first node executes the method described in the first aspect.
  • a second node used for wireless communication comprising a transceiver, a memory and a processor, wherein the memory is used to store programs, and the processor is used to call the programs in the memory and control the transceiver to receive or send signals so that the second node executes the method described in the second aspect.
  • a third node used for wireless communication comprising a transceiver, a memory and a processor, wherein the memory is used to store programs, the processor is used to call the programs in the memory and control the transceiver to receive or send signals so that the third node executes the method described in the third aspect.
  • an embodiment of the present application provides a communication system, the system comprising the first node and/or the second node and/or the third node.
  • the system may also include the solution provided by the embodiment of the present application in conjunction with the first node or the second node. other devices that interact with a node or a third node.
  • an embodiment of the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and the computer program enables a computer to execute part or all of the steps in the methods of the above aspects.
  • an embodiment of the present application provides a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute some or all of the steps in the above-mentioned various aspects of the method.
  • the computer program product can be a software installation package.
  • an embodiment of the present application provides a chip, which includes a memory and a processor.
  • the processor can call and run a computer program from the memory to implement some or all of the steps described in the methods of the above aspects.
  • the first information received by the first node may indicate multiple sidewalk signal resources for sending a sidewalk signal group, and the multiple sidewalk signal resources may be mapped to identifiers of multiple nodes. It can be seen that the second node receiving the sidewalk signal can distinguish different sending nodes according to the resources corresponding to the sidewalk signal, thereby identifying the node sending the sidewalk signal and achieving effective initial beam pairing.
  • the first information may indicate multiple sidewalk signal resources, that is, the resources used by multiple nodes for initial beam pairing are preconfigured.
  • the first node sends a sidewalk signal group on the first sidewalk signal resource, and after receiving the first information, the second node can determine the available beam information by detecting the sidewalk signal.
  • any two nodes in the sideline communication perform initial beam pairing before the sideline unicast link is established.
  • Using paired beams to establish a unicast link can expand the link range between the sending node and the receiving node, so that more nodes can realize advanced business use cases.
  • the sending node by performing initial beam pairing before establishing a side unicast link, the sending node can effectively avoid sending direct communication request messages with high resource overhead on all beams through beam scanning, thereby significantly reducing resource waste.
  • FIG1 is a diagram showing an example of a system architecture of a wireless communication system to which an embodiment of the present application is applicable.
  • FIG2 is a schematic diagram of the time slot structure of the sideline synchronization signal block.
  • FIG3 is a schematic diagram showing the distribution of multiple S-SSBs in one cycle.
  • FIG4 is a schematic flow chart of a method in a first node for wireless communication provided in an embodiment of the present application.
  • FIG5 is a schematic flow chart of an implementation method of initial beam pairing in the first operation.
  • FIG6 is a schematic flow chart of another implementation of initial beam pairing in the first operation.
  • FIG. 7 is a flowchart of an implementation method for establishing a side unicast link in the first operation.
  • FIG8 is a flow chart of a possible implementation of the method shown in FIG4 .
  • FIG. 9 is a flowchart of another possible implementation of the method shown in FIG. 4 .
  • FIG10 is a schematic diagram of the structure of a first node for wireless communication provided in an embodiment of the present application.
  • FIG11 is a schematic diagram of the structure of a second node for wireless communication provided in an embodiment of the present application.
  • FIG12 is a schematic diagram of the structure of a third node for wireless communication provided in an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of the device provided in an embodiment of the present application.
  • FIG14 is a schematic diagram of the hardware modules of the communication device provided in an embodiment of the present application.
  • the wireless communication system 100 may include a network device 110 and user devices 121 to 129.
  • the network device 110 may provide communication coverage for a specific geographical area and may communicate with terminals located in the coverage area.
  • UE user equipment
  • SL sidelink
  • Sidelink communication may also be referred to as proximity-based services (ProSe) communication, unilateral communication, sidelink communication, device-to-device (D2D) communication, etc.
  • ProSe proximity-based services
  • D2D device-to-device
  • sidelink data is transmitted between user equipment and user equipment via a sidelink.
  • the sidelink data may include data and/or control signaling.
  • the sidelink data may be, for example, a physical sidelink control channel (PSCCH), a physical sidelink shared channel (PSSCH), a PSCCH demodulation reference signal (DMRS), a PSSCH DMRS, a physical sidelink feedback channel (PSFCH), etc.
  • PSCCH physical sidelink control channel
  • PSSCH physical sidelink shared channel
  • DMRS PSCCH demodulation reference signal
  • PSSCH DMRS PSSCH DMRS
  • PSFCH physical sidelink feedback channel
  • sidelink communication according to the user equipment in the sidelink Whether it is within the coverage of the network device can be divided into three scenarios. Scenario 1, the user equipment performs sidelink communication within the coverage of the network device. Scenario 2, some user equipment performs sidelink communication within the coverage of the network device. Scenario 3, the user equipment performs sidelink communication outside the coverage of the network device.
  • user equipments 121-122 can communicate via a side link, and user equipments 121-122 are all within the coverage of network device 110, or in other words, user equipments 121-122 are all within the coverage of the same network device 110.
  • network device 110 can send configuration signaling to user equipments 121-122, and accordingly, user equipments 121-122 communicate via a side link based on the configuration signaling.
  • user equipment 123-124 can communicate via a side link, and user equipment 123 is within the coverage of network device 110, and user equipment 124 is outside the coverage of network device 110.
  • user equipment 123 receives configuration information from network device 110 and communicates via a side link based on the configuration of the configuration signaling.
  • user equipment 124 since user equipment 124 is outside the coverage of network device 110, it is unable to receive the configuration information of network device 110.
  • user equipment 124 can obtain the configuration of the side link communication based on the pre-configuration configuration information and/or the configuration information sent by user equipment 123 within the coverage, so as to communicate with user equipment 123 via the side link based on the acquired configuration.
  • user equipment 123 may send the above configuration information to user equipment 124 via a physical sidelink broadcast channel (PSBCH) to configure user equipment 124 to communicate via the sidelink.
  • PSBCH physical sidelink broadcast channel
  • user equipments 125-129 are all outside the coverage of network device 110 and cannot communicate with network device 110.
  • user equipments can all perform sidelink communication based on preconfigured information.
  • user devices 127-129 located outside the coverage of the network device can form a communication group, and the user devices 127-129 in the communication group can communicate with each other.
  • the user device 127 in the communication group can serve as a central control node, also known as a cluster header terminal (CH), and correspondingly, the user devices in other communication groups can be called "group members".
  • CH cluster header terminal
  • Figure 1 exemplarily shows a network device and multiple user devices.
  • the wireless communication system 100 may include multiple network devices and each network device may include another number of user devices within its coverage area. This embodiment of the present application does not limit this.
  • the wireless communication system 100 may also include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: the fifth generation (5th generation, 5G) system or the new radio (new radio, NR) system, the long term evolution (long term evolution, LTE) system, the LTE frequency division duplex (frequency division duplex, FDD) system, the LTE time division duplex (time division duplex, TDD), etc.
  • the technical solutions provided by the present application can also be applied to future communication systems, such as the sixth generation mobile communication system, and satellite communication systems, etc.
  • the user equipment in the embodiments of the present application may also be referred to as terminal equipment, access terminal, user unit, user station, mobile station, mobile station (MS), mobile terminal (MT), remote station, remote terminal, mobile device, user terminal, wireless communication device, user agent or user device.
  • the user equipment in the embodiments of the present application may be a device that provides voice and/or data connectivity to a user, and may be used to connect people, objects and machines, such as a handheld device with wireless connection function, a vehicle-mounted device, etc.
  • the user equipment in the embodiment of the present application can be a mobile phone, a tablet computer, a laptop, a PDA, a mobile internet device (MID), a wearable device, a vehicle, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical surgery, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home, etc.
  • the user equipment can act as a base station.
  • the user equipment can act as a scheduling entity, which provides sidelink signals between user equipment in vehicle-to-everything (V2X) or D2D, etc.
  • V2X vehicle-to-everything
  • D2D etc.
  • a cellular phone and a car communicate with each other using sidelink data.
  • Cellular phones and smart home devices communicate with each other without relaying communication signals through a base station.
  • the network device in the embodiment of the present application may be a device for communicating with a user device, and the network device may also be referred to as an access network device or a radio access network device, such as a base station.
  • the network device in the embodiment of the present application may refer to a radio access network (RAN) node (or device) that connects a user device to a wireless network.
  • RAN radio access network
  • Base station can broadly cover various names as follows, or replace with the following names, such as: NodeB, evolved NodeB (eNB), next generation NodeB (gNB), relay station, transmission point (transmitting and receiving point, TRP), transmission point (transmitting point, TP), access point (access point, AP), master station MeNB, secondary station SeNB, multi-standard radio (MSR) node, home base station, network controller, access node, wireless node, transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc.
  • NodeB evolved NodeB (eNB), next generation NodeB (gNB), relay station, transmission point (transmitting and receiving point, TRP), transmission point (transmitting point, TP), access point (access point, AP), master station MeNB, secondary station SeNB, multi-standard radio (MSR) node, home base station, network controller,
  • the base station can be a macro base station, a micro base station, a relay node, a donor node or the like, or a combination thereof.
  • the base station can also refer to a base station with a plurality of nodes.
  • the base station may also be a mobile switching center and a device that performs the base station function in D2D, V2X, machine-to-machine (M2M) communication, a network-side device in a 6G network, or a device that performs the base station function in a future communication system.
  • the base station may support networks with the same or different access technologies.
  • the embodiments of the present application do not limit the specific technology and specific device form adopted by the network device.
  • Base stations can be fixed or mobile.
  • a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move based on the location of the mobile base station.
  • a helicopter or drone can be configured to act as a device that communicates with another base station.
  • the network device in the embodiments of the present application may refer to a CU or a DU, or the network device includes a CU and a DU.
  • the gNB may also include an AAU.
  • the network equipment and user equipment can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on the water surface; they can also be deployed on aircraft, balloons and satellites in the air.
  • the embodiments of the present application do not limit the scenarios in which the network equipment and user equipment are located.
  • the sideline communication developed in the RAN of 5G NR Release-16 (Rel-16) is mainly used to support advanced V2X applications.
  • SA2 System Architecture 2
  • ProSe including public safety and commercial related services.
  • Radio Access Network Working Group 1 (RAN1) and RAN2 developed power saving technologies (such as partial sensing, discontinuous reception (DRX) and Inter-UE coordination (IUC) technology.
  • NR SL was originally developed to support V2X applications
  • the industry is increasingly keen to expand NR SL to more commercial use cases.
  • highly automated driving technology requires sharing a large amount of sensor information between vehicles.
  • Sidelink beam management usually includes initial beam-pairing, beam maintenance and beam failure recovery (BFR).
  • the advantage of performing initial beam pairing before the sidelink unicast link is established is that the paired beams can be fully utilized to expand the transmission range, so that more UEs can establish sidelink unicast links, thereby providing more advanced business use case services.
  • These UEs are, for example, high-performance audio-visual equipment in stadiums, large event venues, and concerts.
  • the advantage of performing initial beam pairing before the sidelink unicast link is established is that the direct communication request (DCR) message used to establish the unicast link only needs to be sent on the paired beam through the physical sidelink shared channel (PSSCH), thereby avoiding the use of beam sweeping to send DCR multiple times on the resources occupied by multiple transmit beams, thereby significantly improving resource utilization efficiency.
  • DCR direct communication request
  • the 3GPP RAN1 meeting has agreed to use the sidelink synchronization broadcast signal block (SL synchronization signal/physical sidelink broadcast channel block, S-SS/PSBCH block, S-SSB) or a modified format based on S-SSB as an optional solution.
  • S-SSB sidelink synchronization broadcast signal block
  • S-SSBCH block S-SSB
  • the operation process of using S-SSB as the reference signal to perform initial beam pairing in alternative process 1 can be as follows:
  • UE1 sends multiple S-SSBs by beam sweeping.
  • UE2 performs reference signal received power measurement for the SL synchronization signal (SLSS) and/or PSBCH. (reference signal received power, RSRP) measurement, UE2 determines UE1's transmit beam and UE2's receive beam based on the measured RSRP;
  • SLSS SL synchronization signal
  • PSBCH PSBCH
  • UE2 For the determined transmitting beam of UE1, UE2 reports the associated beam.
  • S-SSB consists of the sidelink primary synchronization signal (S-PSS), the sidelink secondary synchronization signal (S-SSS) and the PSBCH.
  • S-SSB occupies one time slot in the time domain.
  • S-SSB uses the numerology configured by the SL bandwidth part (BWP), including subcarrier spacing and cyclic prefix (CP) length.
  • BWP SL bandwidth part
  • CP cyclic prefix
  • FDM frequency division multiplexed
  • a time slot of S-SSB there are S-PSS and S-SSS, PSBCH and the last guard symbol, which occupy two symbols respectively.
  • the first symbol i.e., the first PSBCH symbol
  • the second and third symbols are used to carry S-PSS
  • the fourth and fifth symbols are used to carry S-SSS
  • the last symbol is used as a guard symbol
  • the other symbols are used to carry PSBCH.
  • S-SSB spans 11 common resource blocks (Common RBs) in a SL BWP in the frequency domain, i.e., 132 subcarriers.
  • S-PSS and S-SSS occupy 127 subcarriers.
  • the frequency domain position of S-SSB in SL BWP is pre-configured or configured. Therefore, the receiving UE (including UE1) of S-SSB does not need to perform blind detection in the frequency domain to find S-SSB.
  • UE sends S-SSB to expand the coverage of synchronization reference source.
  • GNSS global navigation satellite system
  • gNB/eNB i.e. synchronization reference UE, SyncRefUE
  • SyncRefUE can all be used as synchronization reference source for a UE.
  • SyncRefUE can send synchronization information (e.g., S-SSB) to enable surrounding UEs to have the same timing reference.
  • one or more S-SSBs are sent in a fixed period (i.e., 160ms, 16 radio frames).
  • a fixed period i.e. 160ms, 16 radio frames.
  • the number of multiple S-SSBs is preconfigured or configurable, depending on the subcarrier spacing (SCS) and frequency range, as shown in Table 1.
  • SCS subcarrier spacing
  • Table 1 shows the number of S-SSBs sent in an S-SSB period.
  • the distribution of multiple S-SSBs depends on two parameters: one is the slot offset from the start of the S-SSB period to the first S-SSB, and the other is the slot interval between two consecutive S-SSBs.
  • the distribution of multiple S-SSBs in a fixed period is exemplarily illustrated below in conjunction with Figure 3.
  • the fixed period that is, the S-SSB period
  • the fixed period is 16 radio frames.
  • each period starts at the first time slot of the current group of radio frames and ends at the first time slot of the next group of radio frames.
  • the time period between the time slot where the first S-SSB is located and the start position of the fixed period is the time offset.
  • the time period between two adjacent S-SSBs in Figure 3 is the time interval.
  • the SSBs sent by the network device can be part of the initial access procedure.
  • the UE can identify the best SSB or the best beam from the gNB to the UE by detecting the SSBs, and then the UE can report the best SSB or the best beam pair through the physical random access channel (PRACH).
  • PRACH physical random access channel
  • the gNB can identify the corresponding UE and the best beam pair with the UE.
  • the traditional NR S-SSB structure is similar to the NR Uu SSB structure, but the traditional S-SSB is designed only for synchronization. That is to say, the traditional S-SSB can only distinguish the synchronization source type through the sidelink synchronization signal identity (SL-SSID) carried by the S-PSS and S-SSS.
  • the synchronization source type includes whether it is within the cell/GNSS coverage or outside the cell/GNSS coverage, and whether the SyncRefUE is directly or indirectly synchronized to the synchronization source. Therefore, the traditional SL-SSID is not UE-specific and cannot be used to distinguish different UEs.
  • UE2 cannot identify multiple It is impossible to identify whether the SSBs are from the same UE or multiple UEs, and it is impossible to identify UE1 that sends the S-SSB from multiple UEs, so UE2 cannot determine the optional beams that need to be reported and the exact number of optional beams.
  • the enhanced SL-SSID includes two parts: UE-specific information indication and synchronization information indication.
  • the current solution can be reused; for the UE-specific information indication, it can be based on the source ID and/or the destination ID.
  • the above-mentioned problem that the receiving node cannot identify the sending node when initial beam pairing is performed based on S-SSB is only an example.
  • the embodiments of the present application can be applied to scenarios where the sending node cannot be identified when beam management is performed based on any type of reference signal.
  • an embodiment of the present application proposes a method in a first node for wireless communication.
  • the first node determines a first side signal resource associated with the first node from multiple side signal resources according to first information, and sends a first side signal group on the first side signal resource.
  • the second node it can be determined whether the side signal is sent by the first node based on the resource of the side signal. That is to say, the present application introduces multiple side signal resources associated with multiple nodes, so that the receiving node (or the second node) can identify the sending node (or the first node), thereby effectively performing operations such as initial beam pairing.
  • the beam mentioned in the embodiment of the present application may include or be replaced by at least one of the following: beam, physical beam, logical beam, spatial filter, spatial parameter, spatial domain filter, spatial domain transmission filter, spatial domain reception filter, antenna port.
  • beam physical beam
  • logical beam logical beam
  • spatial filter spatial parameter
  • spatial domain filter spatial domain transmission filter
  • spatial domain reception filter antenna port
  • FIG4 is a flow chart of a method in a first node for wireless communication provided in an embodiment of the present application.
  • the method shown in FIG4 includes step S410 and step S420. It should be understood that the method shown in FIG4 can be performed by the first node.
  • the first node may be any user device for side-by-side communication as described above.
  • the first node may be a vehicle in V2X or a basic communication facility in V2X.
  • the first node may be located within or outside the network coverage. When located within the network coverage, the first node may perform side-by-side communication based on the configuration of the network device.
  • the first node may be a network-controlled repeater (NCR).
  • NCR network-controlled repeater
  • the first node may be a user equipment, for example, the user equipments 121 to 129 shown in FIG. 1 .
  • the first node may be a relay, such as a relay terminal.
  • step S410 first information is received.
  • the first node may receive the first information in a variety of ways. In some embodiments, the first node may receive the first information through other nodes interacting with it. The other nodes may be network devices or user devices other than the first node. In some embodiments, the first node may receive the first information through its own higher layer.
  • the sender of the first information may be a communication device that interacts with the first node.
  • the sender of the first information is a network device that provides services to the first node.
  • the network device may also be referred to as a third node.
  • the third node sends the first information to the first node.
  • the sender of the first information may be another network-side device other than the third node.
  • the sender of the first information is a base station.
  • the base station can provide communication services for the area where the first node is located.
  • the first information is configured by a network device (including a gNB).
  • the sender of the first information may be a higher layer corresponding to the first node.
  • the higher layer may send the first information to a lower layer or a lower layer of the first node.
  • the first information may be sent layer by layer from a radio resource control (RRC) layer corresponding to the first node to a physical layer.
  • RRC radio resource control
  • the first information includes a higher layer information.
  • the higher layer information may be information about the first operation sent down by each higher layer relative to the physical layer.
  • the first information may be an RRC signaling, or the first information may be carried in the RRC signaling.
  • the first information is a high-layer configuration or pre-configuration.
  • the first information includes an RRC layer signaling.
  • the first information includes an RRC information element (IE).
  • the first information can be carried in the RRC IE.
  • the first information may be an RRC IE (SL-SyncConfig), for details, refer to 3GPP TS38.331 6.3.5.
  • RRC IE SL-SyncConfig
  • the first information may be an RRC IE (SL-FreqConfig).
  • the first information may be an RRC IE (SL-BWP-Config).
  • the first information is used to determine multiple side signal resources.
  • the multiple side signal resources can be pre-configured time-frequency resources for sending one or more side signals, or can be time-frequency resources occupied by side signals, or can be time-frequency resources used for side signals.
  • the side signals associated with the multiple side signal resources can include multiple side signal groups. Exemplarily, any side signal resource among the multiple side signal resources can be used for side signals in one or more side signal groups.
  • the sidelink signal resources include time domain resources and/or frequency domain resources.
  • the side signal resource includes one or more resource elements (RE).
  • RE resource elements
  • the sidelink signal resource includes one or more time slots in the time domain.
  • the sidelink signal resource includes one or more subcarriers in the frequency domain.
  • the multiple side signal resources are used for the multiple side signal groups respectively.
  • the multiple side signal groups can be multiple side signal groups sent by multiple nodes, or multiple side signal groups sent by one node.
  • the multiple side signal resources can correspond to the multiple side signal groups one by one, or they can not correspond one by one.
  • a plurality of sidewalk signal resources may be used to send a plurality of sidewalk signal groups, or may be used to receive a plurality of sidewalk signal groups, which is not limited here.
  • the multiple sidewalk signal resources are respectively time-frequency resources occupied by the multiple sidewalk signal groups.
  • the time-frequency resources occupied by the multiple sidewalk signal groups are orthogonal.
  • any sideline signal group among the plurality of sideline signal groups includes at least one sideline signal.
  • Any sideline signal group may include one or more sideline signals sent by any node.
  • any sideline signal group among the plurality of sideline signal groups includes a plurality of sideline signals.
  • the multiple sidelink signal resources indicated by the first information can be used to send multiple sidelink signals.
  • multiple sidelink signal resources are used to send a sidelink synchronization signal block.
  • the sidelink synchronization signal block can be a sidelink synchronization broadcast signal block.
  • the sidelink synchronization signal block can be expressed as an S-SSB (sidelink-synchronization signal block) or an S-SS/PSBCH block, which is not limited in this embodiment of the present application.
  • the S-SSB in this article can be replaced by an S-SS/PSBCH block.
  • the sidelink synchronization signal block may include at least two of the three: S-PSS, S-SSS and PSBCH.
  • the sidelink synchronization signal block may include S-PSS and S-SSS.
  • the sidelink synchronization signal block may not include PSBCH.
  • multiple sidelink signal resources are used to send a sidelink channel state information reference signal (SL channel state information-reference signal, SL CSI-RS).
  • SL channel state information-reference signal SL channel state information-reference signal
  • the first information is used to indicate multiple S-SSB resources.
  • the first information is used to indicate multiple SL CSI-RS resources.
  • the first information may indicate a plurality of side signal resources through a plurality of parameters.
  • the first information may include at least one of a transmission period, a time allocation, and a frequency domain position. At least one of the transmission period, the time allocation, and the frequency domain position is used to determine the plurality of side signal resources.
  • the transmission period can be used to indicate the time period of the sidelink signal resource.
  • Multiple transmission periods refer to different time domain lengths and/or time domain positions of the transmission periods.
  • multiple transmission periods can follow the design of NR SL or be newly designed according to resource usage requirements. For example, when the transmission period of the first S-SSB is determined according to the requirements of initial beam pairing and/or sidelink unicast link establishment and/or beam management, the design of the transmission period of the first S-SSB needs to be convenient for indication by high-level signaling.
  • any one of the multiple transmission cycles may be indicated by using a specified time unit, which may be a time slot or a symbol, etc., which is not limited here.
  • any one of the multiple transmission cycles includes a positive integer number of time slots.
  • any one of the multiple sending cycles can be represented by a specified time length.
  • the specified time length can be represented by M time units to represent a time period.
  • the time unit can be milliseconds.
  • any one of the multiple sending cycles includes a positive integer number of milliseconds (ms).
  • any one of the multiple sending cycles is equal to 160 ms.
  • multiple side signal resources may correspond to one transmission cycle.
  • the transmission cycle may be expanded. For example, one or more transmission cycles in the multiple transmission cycles are greater than 160 ms.
  • any one of the multiple sending cycles may be a specified number of T time units or a specified number of T time lengths.
  • the T may be a fixed value or a variable that changes according to a certain rule.
  • any one of the multiple sending cycles is a constant.
  • any one of the multiple sending cycles is variable.
  • the plurality of side signal resources correspond to a plurality of transmission cycles respectively.
  • any of the plurality of sidewalk signal resources may correspond to the same transmission period.
  • any of the plurality of sidewalk signal resources may be distributed in two or more different transmission periods.
  • the first information indicates a plurality of S-SSB periods.
  • Time allocation can be used to indicate the time domain position of the side signal resource. Time allocation can be indicated by multiple parameters. Multiple time allocations refer to one or more parameters in the time allocation being different.
  • the time allocation of the side signal resource may include parameters such as time offset, time interval, and the number of resources in a transmission cycle. Taking the resources corresponding to S-SSB in Figure 3 as an example, the time offset, time interval, and number of resources constitute the time allocation of S-SSB resources. Among them, the number of resources is 4.
  • the number of resources in a sending cycle is greater than or equal to 1.
  • the number of resources in a sending cycle can be any one of 1, 2, 4, 8, 16, 32, and 64.
  • the value of the time offset may be any number between 0 and 1279.
  • the value of the time interval may be any number from 0 to 639.
  • the multiple side signal resources correspond to multiple time allocations respectively.
  • the multiple side signal resources can correspond to multiple different time allocations respectively.
  • the multiple different time allocations can be different in at least one of the three parameters of time offset, time interval and number of resources.
  • any several side signal resources among the multiple side signal resources can correspond to the same time allocation. The following will be illustrated in conjunction with Figures 8 and 9.
  • the first information may indicate multiple S-SSB time allocations, where each S-SSB time allocation corresponds to three parameters: the number of S-SSBs in an S-SSB period (sl-NumSSB-WithinPeriod), a time slot offset (sl-TimeOffsetSSB), and a time slot interval (sl-TimeInterval).
  • the frequency domain location may be one or more subcarriers.
  • the frequency domain position of any side signal resource among the multiple side signal resources includes the absolute frequency domain position of the side signal resource, or the frequency offset of the side signal resource relative to a reference frequency domain position.
  • the frequency domain position of the side signal resource can be indicated by an absolute frequency domain position.
  • the frequency domain position can be represented as a frequency band or a frequency point.
  • the frequency domain position of the side signal resource can be indicated by a relative frequency domain position.
  • the relative frequency domain position can be determined based on any reference frequency domain position.
  • the frequency domain position can be the value of the sum of the starting frequency point and the frequency offset of the frequency band corresponding to the side signal.
  • the frequency domain position can be the value of the subtraction of the ending frequency point and the frequency offset of the frequency band corresponding to the side signal.
  • the reference frequency domain position is an absolute frequency domain position.
  • the frequency offset is a parameter such as one or more subcarriers or RBs, which is not limited here.
  • the first information indicates frequency domain positions of multiple S-SSBs, or multiple frequency offsets from an absolute frequency domain position.
  • the absolute frequency domain position can be used as a reference frequency domain position.
  • the multiple side signal resources correspond to multiple frequency domain positions respectively.
  • the multiple side signal resources may correspond to multiple different frequency domain positions respectively.
  • any several side signal resources among the multiple side signal resources may correspond to the same frequency domain position.
  • any one side signal resource among the multiple side signal resources may be distributed in two or more different frequency domain positions.
  • the multiple side signal resources are multiple S-SSB resources.
  • Each S-SSB resource may correspond to different S-SSB periods, different time slot offsets, different time slot intervals, different frequency domain positions and other parameters.
  • the multiple sidewalk signal resources may be indicated by multiple parameters.
  • one or more parameters of the above-mentioned sidewalk signal resources may be used as an index of the multiple sidewalk signal resources for the convenience of indication.
  • the plurality of sidewalk signal resources are configured for at least one of the sidewalk initial beam pairing, the sidewalk unicast link establishment, and the sidewalk beam management.
  • the sidewalk signal resources are configured for at least one of the three operations to improve the efficiency of the sidewalk communication. The three operations will be introduced below in conjunction with FIGS. 5 to 7.
  • step S420 a first sideways signal group is sent on a first sideways signal resource.
  • the first node may select the first sidewalk signal resource and send the sidewalk signal. That is, the first sidewalk signal resource is a resource related to the first node among the plurality of sidewalk signal resources. In some embodiments, the first node may select the first sidewalk signal resource corresponding to it based on an identifier among the plurality of sidewalk signal resources.
  • Multiple side signal resources can be associated with multiple first-class identifiers to facilitate multiple nodes to determine the corresponding side signal resources.
  • Multiple side signal resources can be associated with multiple first-class identifiers, which can be replaced by multiple side signal resources corresponding to multiple first-class identifiers, or multiple side signal resources can be distinguished by multiple first-class identifiers.
  • the multiple first-category identifiers are respectively used to determine the multiple sidewalk signal resources.
  • the multiple first type identifiers may include multiple identifiers.
  • the multiple identifiers may include: One-to-one correspondence with multiple side signal resources. For example, when the multiple side signal resources include multiple types of side signal resources, the multiple identifiers correspond one-to-one with the multiple types of side signal resources.
  • the multiple types of side signal resources can be classified according to one or more parameters of the transmission period, time allocation and time domain position. In some embodiments, one of the multiple identifiers corresponds to multiple side signal resources.
  • the association of multiple first-class identifiers with multiple side signal resources can be indicated by the second information. That is, the second information is used to indicate that the multiple side signal resources are associated with the multiple first-class identifiers.
  • the first node can receive the second information to distinguish the multiple side signal resources by the multiple first-class identifiers.
  • the various ways in which the first node receives the second information can refer to the various ways in which the first information is received, and will not be described in detail here.
  • the second information is used to indicate the association relationship between the multiple side signal resources and the multiple first-class identifiers.
  • the second information may indicate the corresponding relationship between the indexes of the multiple side signal resources and the multiple first-class identifiers.
  • the second information may indicate a method for determining the multiple first-class identifiers according to the time-frequency positions of the multiple side signal resources.
  • the second information includes a higher layer signaling.
  • the second information includes an RRC layer signaling.
  • the second information includes an RRC IE.
  • the second node may receive the first information and the second information in any of a variety of ways as the first node.
  • a plurality of side signal resources may be associated with a plurality of first-class identifiers by mapping.
  • the second information indicates a mapping relationship between a plurality of S-SSB resources and L1 Source IDs or a portion of L1 Source IDs.
  • the multiple side signal resources are mapped to the multiple first-class identifiers.
  • S-SSB resources when the multiple first-class identifiers are source identifiers of layer 1 (layer 1, L1), the multiple S-SSB resources are mapped to layer 1 source identifiers Source IDs or partial L1 Source IDs.
  • the source identifier can be represented by 8 bits.
  • the first node can select the S-SSB resource to send the S-SSB by its source identifier.
  • the second node can distinguish L1 Source IDs or partial L1 Source IDs by S-SSBs detected on different resources.
  • the association of the multiple side signal resources with the multiple first-class identifiers includes that the multiple side signal resources correspond to the multiple first-class identifiers.
  • the multiple first-class identifiers can be associated with the indication parameters of the multiple side signal resources.
  • the multiple first-class identifiers can correspond to the time domain positions of the multiple side signal resources.
  • the multiple side signal resources correspond one to one with the multiple first-class identifiers.
  • the first-class identifier is unique.
  • the sending node and the receiving node identify a corresponding side signal resource through a first-class identifier.
  • At least one of the plurality of side signal resources is associated with a first-class identifier among the plurality of first-class identifiers.
  • the indication parameters of two side signal resources among the plurality of side signal resources may be associated with one identifier of the plurality of first-class identifiers, and the two side signal resources may be identified by the identifier.
  • one L1 Source ID may be associated with multiple S-SSB time allocations.
  • one of the plurality of side signal resources is associated with at least one first-class identifier among the plurality of first-class identifiers.
  • one of the plurality of side signal resources can be associated with two identifiers of the plurality of first-class identifiers, and the side signal resource can be identified by any of the two identifiers.
  • first-class identifiers can also be used to identify multiple nodes. Through multiple first-class identifiers, multiple nodes can correspond to multiple sidewalk signal resources. Any node among the multiple nodes can determine one or more sidewalk signal resources corresponding to it from the multiple sidewalk signal resources through the first-class identifier.
  • the multiple first-class identifiers are used to identify multiple nodes, and any of the multiple nodes is a UE.
  • the first-class identifier can be used to distinguish two or more UEs in a sidelink. For example, two UEs correspond to one first-class identifier, and other nodes determine which is the sending node through the first-class identifier in the information.
  • the multiple first-class identifiers correspond to the multiple nodes.
  • the multiple first-class identifiers may correspond to the multiple nodes in a multiple continuous or intermittent identification manner.
  • the multiple first-class identifiers are serial numbers
  • the serial numbers of different nodes may be continuous.
  • the multiple first-type identifiers correspond to the multiple nodes one by one.
  • the first-type identifier is unique and can be used for identification by other communication devices.
  • At least one of the plurality of first-class identifiers is associated with one of the plurality of nodes.
  • one of the plurality of nodes may be associated with two of the plurality of first-class identifiers. Other nodes may identify the node through any of the two identifiers.
  • one of the multiple first-class identifiers is associated with at least one of the multiple nodes.
  • two nodes of the multiple nodes can be associated with one of the multiple first-class identifiers.
  • Other nodes can identify the two nodes through this identifier.
  • the first node is one of the multiple nodes.
  • the first node can be any one of the multiple nodes.
  • the first information indicates a plurality of sidewalk signal resources used for a plurality of nodes to send sidewalk signals
  • the first node is any node among the plurality of nodes that needs to send a sidewalk signal.
  • the multiple nodes include the first node.
  • the second node may be a node with which the first node wishes to perform initial beam pairing, sidewalk unicast link establishment, or sidewalk beam management, or may be a node that receives a sidewalk signal sent by the first node.
  • the multiple nodes include the second node.
  • the plurality of first-category identifiers may include a first identifier related to the first node.
  • the first identifier is related to the first node, and may be replaced by the first node corresponding to the first identifier, or the first node may be identified by the first identifier.
  • the first identifier is used to identify the first node.
  • the multiple first-category identifiers may identify multiple nodes in multiple ways. Taking the first identifier as an example, the first identifier may include multiple identifiers related to the first node or the sidelink signal sent by the first node.
  • the multiple first-type identifiers may be node identifiers or beam indicators.
  • the receiving node may determine useful beam information by receiving the sidelink signal.
  • the first identifier includes a source identity (Source ID).
  • the source identity of the side signal in the first identifier can facilitate a node receiving the side signal to identify a sending node.
  • the first identifier includes a layer 1 source identity (layer 1 source identity, L1 Source ID).
  • L1 Source ID layer 1 source identity
  • the first node can find the associated S-SSB resource according to its own L1 Source ID, and send multiple beams on the S-SSB resource by beam scanning.
  • the second node detects the S-SSB, determines the L1 Source ID of the UE that sends the S-SSB according to the resources occupied by the detected S-SSB and the mapping relationship between the S-SSB resources and the L1 Source ID, thereby judging UE1.
  • the first identifier includes a layer 2 source identifier (layer 2 source ID, L2 Source ID).
  • the first node may send a side signal to one or more confirmed nodes. For example, when the first node performs unicast or multicast communication, the node receiving the side signal has performed side communication with the first node, or has established side communication with the first node through the side signal. In this scenario, the first identifier may also be used to identify the node communicating with the first node.
  • the first identifier is used to identify the second node.
  • the second node may be any node communicating with the first node. In some embodiments, the second node may be one of a plurality of nodes. In some embodiments, the second node may not be a node among a plurality of nodes. The second node may determine the association between a plurality of side signal resources and the first type of identifier in a variety of ways, and determine the sending node based on the received side signal.
  • the first identifier includes a destination identity (Destination ID).
  • the first identifier includes a layer 1 destination identifier (layer 1 destination ID, L1 Destination ID).
  • the first identifier includes a layer 2 destination identifier (layer 2 destination ID, L2 Destination ID).
  • the first node can determine the first side signal resource among the multiple side signal resources through the first identifier.
  • multiple first-category identifiers are associated with multiple side signal resources.
  • the first identifier is one of the multiple first-category identifiers, so the first identifier corresponds to one or more side signal resources among the multiple side signal resources.
  • the resource corresponding to the first identifier is the first side signal resource.
  • the first identifier is used to determine the first sideways signal resource.
  • the first identifier can be used by the first node to select the first sideways signal resource corresponding to it.
  • the first node sends a first sidewalk signal group on a first sidewalk signal resource. For a second node receiving the sidewalk signal, if the second node receives one or more sidewalk signals in the first sidewalk signal group, it determines that the sending node is the first node according to the resources occupied by the sidewalk signal.
  • the first sidewalk signal resource is one of a plurality of sidewalk signal resources.
  • the plurality of sidewalk signal resources are used for a plurality of sidewalk signal groups, and therefore, the first sidewalk signal group is one of the plurality of sidewalk signal groups.
  • the plurality of side signal resources are respectively used for a plurality of side signal groups, and the first side signal group is one of the plurality of side signal groups.
  • the plurality of side signal resources are respectively used for a plurality of side signal groups, the plurality of side signal resources correspond one-to-one to the plurality of side signal groups.
  • the first side signal group corresponds to the first side signal resource.
  • the plurality of sidewalk signal resources are respectively used to send a plurality of sidewalk signal groups, and the first sidewalk signal group is one of the plurality of sidewalk signal groups.
  • the plurality of sidewalk signal resources are respectively used to receive a plurality of sidewalk signal groups, and the first sidewalk signal group is one of the plurality of sidewalk signal groups.
  • any sideline signal group among the plurality of sideline signal groups includes at least one sideline signal.
  • the first sideline signal group is one of the plurality of sideline signal groups.
  • the first sideline signal group includes at least one sideline signal, and any sideline signal in the first sideline signal group is a sideline synchronization signal block.
  • the first sidewalk signal group includes a plurality of sidewalk signals.
  • the sidetrack signal in the first sidetrack signal group may be S-SSB.
  • any sideline signal in the first sideline signal group is S-SSB in legacy NR Rel-16 or Rel-17.
  • any sideline signal in the first sideline signal group is a new S-SSB
  • the new S-SSB is different from the S-SSB in the traditional NR Rel-16 and Rel-17.
  • the new S-SSB adopts an improved format of S-SSB.
  • any sideline signal in the first sideline signal group includes S-PSS.
  • any sideline signal in the first sideline signal group includes S-SSS.
  • At least one sidetrack signal in the first sidetrack signal group includes S-SSB.
  • the first sideline signal group includes at least one S-SSB.
  • the side signal in the first side signal group may be SL CSI-RS.
  • any sideline signal in the first sideline signal group is SL CSI-RS.
  • At least one side signal in the first side signal group includes SL CSI-RS.
  • the first side signal group includes at least one SL CSI-RS.
  • the first sidewalk signal group is used for at least one of sidewalk initial beam pairing, sidewalk unicast link establishment, and sidewalk beam management.
  • the first sidewalk signal group is related to at least one of sidewalk initial beam pairing, sidewalk unicast link establishment and sidewalk beam management.
  • the first node performs initial side-by-side beam pairing with other nodes by sending the first side-by-side signal group.
  • the initial side-by-side beam pairing is used for the first node to match the transmission beam and the reception beam with the other node to determine the best beam pair.
  • the other node is, for example, the second node mentioned above.
  • the process of side-by-side initial beam pairing can refer to the pairing process of other communication systems (for example, NR), and the relevant process can also be improved according to the characteristics of the side-by-side communication system.
  • NR wireless fidelity
  • the process of the side-by-side initial beam pairing includes two processes: coarse beam pairing and fine beam pairing.
  • the initial beam pairing process including coarse pairing and fine pairing is exemplarily described below in conjunction with Figure 5.
  • the sideline receiving beam of UE1 is initially paired with the sideline transmitting beam of UE2.
  • step S510 a rough pairing is completed between UE2 transmitting beam A and UE1 receiving beam 2 .
  • step S520 UE1 uses three narrower beams 2-1, 2-2 and 2-3 to receive the signal transmitted by beam A, and performs measurements and refined pairing.
  • UE1 configures three narrow beams in beam 2, and UE2 sends signals multiple times.
  • UE1 selects a narrow beam as a receiving beam for UE2's transmitting beam A according to the measurement result.
  • the process of the initial beam pairing includes coarse beam pairing.
  • the initial beam pairing process including rough pairing is exemplarily described below in conjunction with FIG6.
  • the side-by-side transmit beam of UE1 is initially beam-paired with the side-by-side receive beam of UE2.
  • UE1 transmits 4 beams by beam scanning.
  • UE2 measures the 4 transmit beams of UE1 respectively by using 2 receive beams.
  • UE2 determines the matching UE1 transmit beam and UE2 receive beam based on the measurement results, and notifies UE1.
  • the first node establishes a sidewalk unicast link with other nodes by sending a first sidewalk signal group.
  • the other nodes are user equipment or relays that the first node expects to perform sidewalk communication with.
  • the other nodes are, for example, second nodes.
  • step S710 UE1 sends a DCR to UE2.
  • UE1 requests UE2 to establish a sidelink unicast link.
  • step S720 UE2 feeds back direct communication acceptance to UE1. According to the feedback from UE2, UE1 and UE2 complete the process of establishing the side unicast link.
  • the sidewalk unicast link establishment process may include initial beam pairing.
  • the sidewalk unicast link establishment process may be considered to include performing the initial beam pairing.
  • the first node performs side-travel beam management with other nodes through the first side-travel signal group.
  • side-travel beam management includes processes such as initial beam pairing, beam maintenance, and beam failure recovery. Multiple processes in side-travel beam management can enable the first node to perform stable side-travel communication within a larger link range.
  • processes such as beam maintenance and beam failure recovery can refer to the implementation process of other communication systems (for example, NR), and the relevant processes can also be improved according to the characteristics of the side-travel communication system.
  • not all sidewalk signal groups need to pre-configure sidewalk signal resources.
  • the number of UEs supporting S-SSB-based initial beam pairing is limited, and not all L1 Source IDs need to be associated with at least one S-SSB.
  • the L1 Source IDs of UEs supporting S-SSB-based initial beam pairing have a mapping relationship with S-SSB resources.
  • the first sideline signal group includes at least one sideline synchronization signal block, and the node corresponding to the first type of identifier supports The sidewalk initial beam pairing and/or sidewalk unicast link establishment and/or sidewalk beam management of the sidewalk synchronization signal block, or the at least one sidewalk synchronization signal block occupies the first type of resources, or the resources of the first sidewalk signal group are associated with the first type of identifier.
  • multiple nodes corresponding to multiple first-category identifiers support S-SSB-based sidewalk initial beam pairing and/or sidewalk unicast link establishment and/or sidewalk beam management.
  • S-SSBs sent or received by multiple nodes corresponding to multiple first-class identifiers occupy first-class resources.
  • the first-class resources are different from the resources occupied by conventional S-SSBs used for synchronization.
  • the first-class resources are configured separately from the resources used for synchronization.
  • the first node can determine the first side signal resource from multiple side signal resources through the first identifier.
  • the first side signal resource can be used to send a first side signal group.
  • the second node that receives one or more side signals of the first side signal group can determine that the sending node of the side signal is the first node based on the resources occupied by the side signal or the identifier corresponding to the occupied resources. It can be seen that the second node can identify the first node, thereby performing operations such as beam initial pairing, side unicast link or beam management with the first node.
  • any side signal resource in the multiple side signal resources may include one or more side signal sub-resources.
  • the multiple side signal sub-resources may be used to send multiple side signals in any side signal group.
  • the sidelink signal sub-resources include time domain resources and/or frequency domain resources.
  • the sidelink signal sub-resource includes one or more REs.
  • the sidelink signal sub-resource includes one or more symbols in the time domain.
  • the sidelink signal sub-resource includes one or more sub-carriers in the frequency domain.
  • any of the multiple side signal resources includes multiple side signal sub-resources, and the multiple side signal sub-resources correspond to at least one of the same transmission period, the same time allocation, and the same frequency domain position.
  • the resource configuration parameters corresponding to the multiple side signal sub-resources in any side signal resource are the same to facilitate indication.
  • the multiple side signal resources correspond to the same time offset and time interval.
  • the multiple sidewalk signal sub-resources included in any sidewalk signal resource among the multiple sidewalk signal resources are used for one sidewalk signal group.
  • any sidewalk signal resource among the plurality of sidewalk signal resources includes a plurality of sidewalk signal sub-resources and is used to send a sidewalk signal group.
  • the first information may include at least one of the transmission period, time allocation and frequency domain position corresponding to the multiple sidelink signal sub-resources, so as to indicate the multiple sidelink signal sub-resources.
  • the multiple sidewalk signal sub-resources are orthogonal in the time domain.
  • the multiple sidewalk signal resources can be orthogonalized through different time allocations or frequency domain positions, so as to be used for simultaneously sending or receiving multiple sidewalk signals.
  • the first information includes multiple time allocations, and any one of the multiple time allocations is used to indicate at least one of the time offset of a side signal resource among multiple side signal resources, the time interval of a side signal resource among multiple side signal resources, and the number of side signal sub-resources included in a side signal resource among the multiple side signal resources.
  • the first information includes multiple time allocations, and any time allocation of the multiple time allocations is used to indicate one of the multiple side signal resources. That is, the first information can indicate multiple side signal resources respectively through multiple time allocations.
  • any time allocation among the multiple time allocations includes a time offset, a time interval and the number of sidelink signal sub-resources, wherein the time offset and the time interval can be any of the numbers mentioned above or can be newly designed parameters for different operations.
  • the time offset included in any one of the multiple time allocations is the time offset of the first sidewalk signal sub-resource among the multiple sidewalk signal sub-resources included in one of the multiple sidewalk signal resources.
  • the first side signal sub-resource is the first side signal sub-resource in the time domain among the multiple side signal sub-resources.
  • the multiple side signal sub-resources are configured in time order in the time domain.
  • the first side signal sub-resource among the multiple side signal resources is the side signal sub-resource that is the most forward in time.
  • the time offset of the first side signal sub-resource among the multiple side signal sub-resources is the time offset between the first side signal sub-resource among the multiple side signal sub-resources and the start of a transmission cycle to which the multiple side signal sub-resources belong.
  • the time offset can be the offset between the time domain position of the first side signal sub-resource and the start position of the transmission cycle.
  • the time offset can be expressed by various time units, such as time slots, symbols, etc.
  • the time offset of the first sidelink signal sub-resource among the multiple sidelink signal sub-resources includes a positive integer number of time slots.
  • the time offset of the first sidewalk signal sub-resource among the multiple sidewalk signal sub-resources includes a positive integer number of sidewalk time slots.
  • the time interval included in any time allocation among the multiple time allocations is the time interval between any two consecutive side signal sub-resources among the multiple side signal sub-resources included in one side signal resource among the multiple side signal resources.
  • the interval between any two side signal sub-resources among the multiple side signal sub-resources is a positive integer multiple of the time interval.
  • the two consecutive side signal sub-resources are any two consecutive side signal sub-resources in the time domain among the multiple side signal sub-resources.
  • the two consecutive side signal sub-resources can be the first side signal sub-resource and the second side signal sub-resource in the time domain, or the second and the third, and so on.
  • the time interval can also be represented by various time units, such as time slots, symbols, etc.
  • the time interval between two consecutive sidelink signal sub-resources among the plurality of sidelink signal sub-resources includes a positive integer number of time slots.
  • the time interval between two consecutive sidewalk signal sub-resources among the plurality of sidewalk signal sub-resources includes a positive integer number of sidewalk time slots.
  • the number of side signal sub-resources included in any one of the multiple time allocations is the number of all side signal sub-resources included in one of the multiple side signal resources.
  • one side signal resource corresponds to one transmission cycle
  • the number of side signal resources in the time allocation can be the number of all side signal sub-resources in one cycle.
  • the number of the sidelink signal sub-resources is the number of all sidelink signal sub-resources in the time domain among the multiple sidelink signal sub-resources.
  • the first information may include multiple time allocations. Any of the multiple time allocations may be used to indicate multiple side signal sub-resources in any side signal resource. Exemplarily, three parameters in any time allocation are used to determine the time domain position of each side signal sub-resource in the multiple side signal sub-resources. Exemplarily, at least one of the three parameters of the time allocation is used to determine the multiple side signal resources. For example, when the multiple time allocations of the multiple side signal resources differ only in time offsets, the multiple side signal sub-resources in each side signal resource may be indicated by the time offset.
  • any time allocation among the multiple time allocations is used to indicate multiple side signal sub-resources included in a side signal resource among the multiple side signal resources, and at least one of the time offset of the first side signal sub-resource among the multiple side signal sub-resources, the time interval between two consecutive side signal sub-resources among the multiple side signal sub-resources, and the number of side signal sub-resources among the multiple side signal sub-resources is used to determine the multiple side signal sub-resources.
  • any time allocation among the multiple time allocations is used to indicate a plurality of sidewalk signal sub-resources included in a sidewalk signal resource among the multiple sidewalk signal resources.
  • At least one of the time offset of the first side signal sub-resource among multiple side signal sub-resources, the time interval between two consecutive side signal sub-resources among the multiple side signal sub-resources, and the number of side signal sub-resources among the multiple side signal sub-resources is used to determine the multiple side signal sub-resources.
  • At least two of the multiple side signal resources correspond to the same transmission period, the time allocation of the at least two side signal resources is different, and/or the frequency domain positions of the at least two side signal resources are different.
  • a transmission period can be configured with multiple side signal resources, and the multiple side signal resources correspond to the same transmission period.
  • the period of S-SSB can be expanded to support the mapping of more L1 Source IDs.
  • the different time allocations of at least two sidelink signal resources corresponding to the same transmission period include at least one of a time offset, a time interval, and a number of sidelink signal sub-resources being different.
  • the time allocation of at least two side signal resources corresponding to the same transmission period is different, including different time offsets, to ensure that the first side signal sub-resources in the two side signal resources do not overlap.
  • the time interval in the time allocation and the number of side signal sub-resources can be the same or different.
  • At least two sidewalk signal resources with different time offsets in the same transmission cycle are independent of each other in time domain position. That is to say, in the same transmission cycle, the time periods of at least two sidewalk signal resources do not overlap, which can help reduce the mutual interference of sidewalk signals of different nodes.
  • An exemplary description will be given below in conjunction with FIG. 8.
  • At least two side signal resources with different time offsets in the same transmission cycle interact with each other in the time domain position. That is, in the same transmission cycle, the time periods of at least two side signal resources overlap, which can more effectively utilize resources. This will be exemplarily described in conjunction with FIG9 hereinafter.
  • the time allocation of at least two sidelink signal resources corresponding to the same transmission period is different, including the same time offset,
  • the first sidewalk signal sub-resources of the two sidewalk signal resources may correspond to different frequency domain positions to avoid resource overlap.
  • the time allocation of at least two side signal resources corresponding to the same transmission period is different, including time offset and time interval.
  • the time interval of at least two side signal resources and the number of side signal sub-resources should meet the requirement that all side signal sub-resources of at least two side signal resources are orthogonal.
  • all sidewalk signal sub-resources in the at least two sidewalk signal resources do not overlap.
  • side signal resources including multiple side signal sub-resources.
  • the following is an exemplary description of the side signal resources in combination with two possible implementations shown in FIG8 and FIG9.
  • the time-frequency resources are used to send or receive S-SSB.
  • N side signal resources are included in one transmission cycle, where N>1.
  • the N side signal resources are side signal resource 801, side signal resource 802 to side signal resource 80N.
  • each side signal resource includes 4 side signal sub-resources. The time offsets of the N side signal resources are different, but the time intervals are the same.
  • N sidewalk signal resources correspond to N L1 source identifiers, respectively.
  • Sidewalk signal resource 801 corresponds to L1 source ID#1
  • sidewalk signal resource 802 corresponds to L1 source ID#2, and so on.
  • Sidewalk signal resource 80N corresponds to L1 source ID#N.
  • the node corresponding to L1 source ID#1 can send S-SSBs on the sidewalk signal resource 801, and the node that receives the S-SSB on the sidewalk signal resource 801 can determine that the sending node is the node corresponding to L1 source ID#1 based on the resource.
  • N side signal resources correspond to the same transmission cycle, and the time periods of side signal resource 801, side signal resource 802 to side signal resource 80N are independent of each other.
  • the N time periods arranged in sequence correspond to the N side signal resources respectively. Therefore, the four side signal sub-resources of side signal resource 801 are in the first time period in the time domain, and the four side signal sub-resources of side signal resource 802 are in the second time period adjacent thereto, followed by the time periods of side signal resource 803 to side signal resource 80N arranged in sequence.
  • a transmission cycle in Fig. 9 also includes N side signal resources, namely, side signal resource 901, side signal resource 902 to side signal resource 90N.
  • each side signal resource includes 4 side signal sub-resources. The time offsets of the N side signal resources are different, and the time intervals are the same.
  • N side signal resources correspond to N L1 source identifiers, respectively.
  • Side signal resource 901 corresponds to L1 source ID#1
  • side signal resource 902 corresponds to L1 source ID#2, and so on.
  • Side signal resource 90N corresponds to L1 source ID#N.
  • the time periods of the N side signal resources in FIG9 are overlapped.
  • the N first side signal sub-resources of the N side signal resources are configured first, and then the N second side signal sub-resources, the N third side signal sub-resources and the N fourth side signal sub-resources of the N side signal resources are configured in sequence.
  • FIG10 is a first node for wireless communication provided in an embodiment of the present application.
  • the first node 1000 includes a first receiver 1010 and a first transmitter 1020 .
  • the first receiver 1010 may be configured to receive first information, where the first information is used to determine a plurality of sidelink signal resources.
  • the first transmitter 1020 can be used to send a first side signal group on a first side signal resource; wherein the multiple side signal resources are associated with multiple first-category identifiers, the first identifier is one of the multiple first-category identifiers, the first identifier is related to the first node, and the first identifier is used to determine the first side signal resource from the multiple side signal resources.
  • the first sidewalk signal group is used for at least one of sidewalk initial beam pairing, sidewalk unicast link establishment and sidewalk beam management.
  • the first sideline signal group includes at least one sideline signal, and any sideline signal in the first sideline signal group is a sideline synchronization signal block.
  • the first node 1000 also includes a second receiver, which can be used to receive second information; wherein the second information is used to indicate that the multiple sidelink signal resources are associated with the multiple first-category identifiers.
  • the first information includes at least one of a transmission period, a time allocation and a frequency domain position, and at least one of the transmission period, the time allocation and the frequency domain position is used to determine the multiple side signal resources.
  • any sidewalk signal resource among the multiple sidewalk signal resources includes multiple sidewalk signal sub-resources, and the multiple sidewalk signal sub-resources correspond to at least one of the same transmission period, the same time allocation, and the same frequency domain position.
  • the first information includes multiple time allocations, and any time allocation of the multiple time allocations is used to indicate the time offset of a side signal resource among the multiple side signal resources, the time interval of a side signal resource among the multiple side signal resources, and the number of side signal sub-resources included in a side signal resource among the multiple side signal resources. At least one of .
  • At least two side signal resources among the multiple side signal resources correspond to the same transmission period, the time allocation of the at least two side signal resources is different, and/or the frequency domain positions of the at least two side signal resources are different.
  • the frequency domain position of any sidewalk signal resource among the multiple sidewalk signal resources includes the absolute frequency domain position of the sidewalk signal resource, or the frequency offset of the sidewalk signal resource relative to a reference frequency domain position.
  • the first sidewalk signal group includes at least one sidewalk synchronization signal block
  • the node corresponding to the first type of identifier supports sidewalk initial beam pairing and/or sidewalk unicast link establishment and/or sidewalk beam management based on the sidewalk synchronization signal block, or the at least one sidewalk synchronization signal block occupies the first type of resources, or the resources of the first sidewalk signal group are associated with the first type of identifier.
  • the first receiver 1010 and the first transmitter 1020 may be a transceiver 1330.
  • the first node 1000 may further include a processor 1310 and a memory 1320, as specifically shown in FIG13 .
  • FIG11 is a second node for wireless communication provided by an embodiment of the present application. As shown in FIG11 , the second node 1100 includes a third receiver 1110 and a fourth receiver 1120 .
  • the third receiver 1110 may be configured to receive first information, where the first information is used to determine a plurality of sidelink signal resources.
  • the fourth receiver 1120 can be used to receive at least one side signal in the first side signal group on the first side signal resource; wherein, the multiple side signal resources are associated with multiple first-class identifiers, the first identifier is one of the multiple first-class identifiers, the first identifier is related to the first side signal resource, and the first identifier is used to determine the first node sending the one or more side signals.
  • the first sidewalk signal group is used for at least one of sidewalk initial beam pairing, sidewalk unicast link establishment and sidewalk beam management.
  • the first sideline signal group includes at least one sideline signal, and any sideline signal in the first sideline signal group is a sideline synchronization signal block.
  • the second node 1100 also includes a fifth receiver, which can be used to receive second information; wherein, the second information is used to indicate that the multiple sidelink signal resources are associated with the multiple first-category identifiers.
  • the first information includes at least one of a transmission period, a time allocation and a frequency domain position, and at least one of the transmission period, the time allocation and the frequency domain position is used to determine the multiple side signal resources.
  • any sidewalk signal resource among the multiple sidewalk signal resources includes multiple sidewalk signal sub-resources, and the multiple sidewalk signal sub-resources correspond to at least one of the same transmission period, the same time allocation, and the same frequency domain position.
  • the first information includes multiple time allocations, and any one of the multiple time allocations is used to indicate at least one of the time offset of a side signal resource among the multiple side signal resources, the time interval of a side signal resource among the multiple side signal resources, and the number of side signal sub-resources included in a side signal resource among the multiple side signal resources.
  • At least two side signal resources among the multiple side signal resources correspond to the same transmission period, the time allocation of the at least two side signal resources is different, and/or the frequency domain positions of the at least two side signal resources are different.
  • the frequency domain position of any sidewalk signal resource among the multiple sidewalk signal resources includes the absolute frequency domain position of the sidewalk signal resource, or the frequency offset of the sidewalk signal resource relative to a reference frequency domain position.
  • the first sidewalk signal group includes at least one sidewalk synchronization signal block
  • the node corresponding to the first type of identifier supports sidewalk initial beam pairing and/or sidewalk unicast link establishment and/or sidewalk beam management based on the sidewalk synchronization signal block, or the at least one sidewalk synchronization signal block occupies the first type of resources, or the resources of the first sidewalk signal group are associated with the first type of identifier.
  • the third receiver 1110 and the fourth receiver 1120 may be transceivers 1330.
  • the second node 1100 may further include a processor 1310 and a memory 1320, as specifically shown in FIG. 13 .
  • FIG12 is a third node for wireless communication provided in an embodiment of the present application. As shown in FIG12 , the third node 1200 includes a second transmitter 1210 .
  • the second transmitter 1210 can be used to send first information, and the first information is used to determine multiple side signal resources; wherein the multiple side signal resources are associated with multiple first-category identifiers, the first identifier is one of the multiple first-category identifiers, the first identifier is related to a first node that receives the first information, and the first identifier is used by the first node to determine the first side signal resource for sending a first side signal group from the multiple side signal resources.
  • the first sidewalk signal group is used for at least one of sidewalk initial beam pairing, sidewalk unicast link establishment and sidewalk beam management.
  • the first sideline signal group includes at least one sideline signal, and any sideline signal in the first sideline signal group is a sideline synchronization signal block.
  • the third node 1200 also includes a third transmitter, which can be used to send second information; wherein the second information is used to indicate that the multiple sidelink signal resources are associated with the multiple first-category identifiers.
  • the first information includes at least one of a transmission period, a time allocation and a frequency domain position, and at least one of the transmission period, the time allocation and the frequency domain position is used to determine the multiple side signal resources.
  • any sidewalk signal resource among the multiple sidewalk signal resources includes multiple sidewalk signal sub-resources, and the multiple sidewalk signal sub-resources correspond to at least one of the same transmission period, the same time allocation, and the same frequency domain position.
  • the first information includes multiple time allocations, and any one of the multiple time allocations is used to indicate at least one of the time offset of a side signal resource among the multiple side signal resources, the time interval of a side signal resource among the multiple side signal resources, and the number of side signal sub-resources included in a side signal resource among the multiple side signal resources.
  • At least two side signal resources among the multiple side signal resources correspond to the same transmission period, the time allocation of the at least two side signal resources is different, and/or the frequency domain positions of the at least two side signal resources are different.
  • the frequency domain position of any sidewalk signal resource among the multiple sidewalk signal resources includes the absolute frequency domain position of the sidewalk signal resource, or the frequency offset of the sidewalk signal resource relative to a reference frequency domain position.
  • the first sidewalk signal group includes at least one sidewalk synchronization signal block
  • the node corresponding to the first type of identifier supports sidewalk initial beam pairing and/or sidewalk unicast link establishment and/or sidewalk beam management based on the sidewalk synchronization signal block, or the at least one sidewalk synchronization signal block occupies the first type of resources, or the resources of the first sidewalk signal group are associated with the first type of identifier.
  • the second transmitter 1210 may be a transceiver 1330.
  • the third node 1200 may further include a processor 1210 and a memory 1220, as specifically shown in FIG. 13 .
  • FIG13 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • the dotted lines in FIG13 indicate that the unit or module is optional.
  • the device 1300 may be used to implement the method described in the above method embodiment.
  • the device 1300 may be a chip, a user device, or a network device.
  • the device 1300 may include one or more processors 1310.
  • the processor 1310 may support the device 1300 to implement the method described in the above method embodiment.
  • the processor 1310 may be a general-purpose processor or a special-purpose processor.
  • the processor may be a central processing unit (CPU).
  • the processor may also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processor
  • ASIC application specific integrated circuits
  • FPGA field programmable gate arrays
  • a general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.
  • the apparatus 1300 may further include one or more memories 1320.
  • the memory 1320 stores a program, which can be executed by the processor 1310, so that the processor 1310 executes the method described in the above method embodiment.
  • the memory 1320 may be independent of the processor 1310 or integrated in the processor 1310.
  • the apparatus 1300 may further include a transceiver 1330.
  • the processor 1310 may communicate with other devices or chips through the transceiver 1330.
  • the processor 1310 may transmit and receive data with other devices or chips through the transceiver 1330.
  • Fig. 14 is a schematic diagram of hardware modules of a communication device provided in an embodiment of the present application. Specifically, Fig. 14 shows a block diagram of a first communication device 1450 and a second communication device 1410 communicating with each other in an access network.
  • the first communication device 1450 includes a controller/processor 1459, a memory 1460, a data source 1467, a transmit processor 1468, a receive processor 1456, a multi-antenna transmit processor 1457, a multi-antenna receive processor 1458, a transmitter/receiver 1454 and an antenna 1452.
  • the second communication device 1410 includes a controller/processor 1475, a memory 1476, a data source 1477, a receive processor 1470, a transmit processor 1416, a multi-antenna receive processor 1472, a multi-antenna transmit processor 1471, a transmitter/receiver 1418 and an antenna 1420.
  • the upper layer data packets from the core network or the upper layer data packets from the data source 1477 are provided to the controller/processor 1475.
  • the core network and the data source 1477 represent all the protocol layers above the L2 layer.
  • the controller/processor 1475 implements the functionality of the L2 layer.
  • the controller/processor 1475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the first communication device 1450 based on various priority metrics.
  • the controller/processor 1475 is also responsible for the retransmission of lost packets and signaling to the first communication device 1450.
  • the transmit processor 1416 and the multi-antenna transmit processor 1471 implement various signal processing functions for the L1 layer (i.e., the physical layer).
  • the transmit processor 1416 implements coding and interleaving to facilitate forward error correction at the second communication device 1410, as well as mapping of signal constellations based on various modulation schemes (e.g., binary phase shift keying, quadrature phase shift keying, M phase shift keying, M quadrature amplitude modulation).
  • the multi-antenna transmit processor 1471 performs digital spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing on the coded and modulated symbols to generate one or more spatial streams.
  • the transmit processor 1416 maps each spatial stream to a subcarrier, multiplexes it with a reference signal (e.g., a pilot) in the time domain and/or frequency domain, and then uses an inverse fast Fourier transform to generate a physical channel carrying a time-domain multi-carrier symbol stream.
  • the multi-antenna transmit processor 1471 then performs analog precoding on the time-domain multi-carrier symbol stream. Code/beamforming operation.
  • Each transmitter 1418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 1471 into a radio frequency stream, and then provides it to a different antenna 1420.
  • each receiver 1454 receives a signal through its corresponding antenna 1452.
  • Each receiver 1454 recovers the information modulated onto the RF carrier and converts the RF stream into a baseband multi-carrier symbol stream and provides it to the receiving processor 1456.
  • the receiving processor 1456 and the multi-antenna receiving processor 1458 implement various signal processing functions of the L1 layer.
  • the multi-antenna receiving processor 1458 performs a receiving analog precoding/beamforming operation on the baseband multi-carrier symbol stream from the receiver 1454.
  • the upper layer data and control signals are then provided to the controller/processor 1459.
  • the controller/processor 1459 implements the functions of the L2 layer.
  • the controller/processor 1459 may be associated with a memory 1460 that stores program codes and data.
  • the memory 1460 may be referred to as a computer-readable medium.
  • the controller/processor 1459 provides multiplexing between transport and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover the upper layer data packets from the second communication device 1410.
  • the upper layer data packets are then provided to all protocol layers above the L2 layer.
  • Various control signals may also be provided to the L3 for L3 processing.
  • the upper layer data packets are provided to the controller/processor 1459 using the data source 1467.
  • the data source 1467 represents all the protocol layers above the L2 layer.
  • the controller/processor 1459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels, and implements L2 layer functions for user plane and control plane.
  • the controller/processor 1459 is also responsible for the retransmission of lost packets and signaling to the second communication device 1410.
  • the transmit processor 1468 performs modulation mapping and channel coding processing, and the multi-antenna transmit processor 1457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing. Then, the transmit processor 1468 modulates the generated spatial stream into a multi-carrier/single-carrier symbol stream, which is then provided to different antennas 1452 via the transmitter 1454 after analog precoding/beamforming operations in the multi-antenna transmit processor 1457. Each transmitter 1454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 1457 into a radio frequency symbol stream, and then provides it to the antenna 1452.
  • the function at the second communication device 1410 is similar to the reception function at the first communication device 1450 described in the transmission from the second communication device 1410 to the first communication device 1450.
  • Each receiver 1418 receives a radio frequency signal through its corresponding antenna 1420, converts the received radio frequency signal into a baseband signal, and provides the baseband signal to the multi-antenna reception processor 1472 and the reception processor 1470.
  • the reception processor 1470 and the multi-antenna reception processor 1472 jointly implement the functions of the L1 layer.
  • the controller/processor 1475 implements the L2 layer functions.
  • the controller/processor 1475 can be associated with a memory 1476 that stores program codes and data.
  • the memory 1476 can be referred to as a computer-readable medium.
  • the controller/processor 1475 In transmission from the first communication device 1450 to the second communication device 1410, the controller/processor 1475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, and control signal processing to recover upper layer data packets from the first communication device 1450.
  • the upper layer data packets from the controller/processor 1475 can be provided to the core network or all protocol layers above the L2 layer, and various control signals can also be provided to the core network or L3 for L3 processing.
  • the first communication device 1450 apparatus includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be used together with the at least one processor, and the first communication device 1450 apparatus at least: receives first information, the first information is used to determine multiple side signal resources; sends a first side signal group on a first side signal resource; wherein the multiple side signal resources are associated with multiple first-class identifiers, the first identifier is one of the multiple first-class identifiers, the first identifier is related to the first node, and the first identifier is used to determine the first side signal resource from the multiple side signal resources.
  • the first communication device 1450 apparatus includes: a memory storing a computer-readable instruction program, wherein the computer-readable instruction program generates actions when executed by at least one processor, and the actions include: receiving first information, wherein the first information is used to determine a plurality of side signal resources; sending a first side signal group on a first side signal resource; wherein the plurality of side signal resources are associated with a plurality of first-class identifiers, the first identifier is one of the plurality of first-class identifiers, the first identifier is related to the first node, and the first identifier is used to determine the first side signal resource from the plurality of side signal resources.
  • the first communication device 1450 corresponds to the first node or the second node in this application.
  • the second communication device 1410 corresponds to the third node in this application.
  • the first communication device 1450 is a user equipment, and the user equipment can serve as a relay node.
  • the first communication device 1450 is a user equipment supporting V2X, and the user equipment can be used as a relay node.
  • the first communication device 1450 is a user equipment supporting D2D, and the user equipment can serve as a relay node.
  • the first communication device 1450 is a network control relay NCR.
  • the first communication device 1450 is a relay wireless repeater.
  • the first communication device 1450 is a relay.
  • the second communication device 1410 is a base station.
  • the first communication device 1450 corresponds to the first node or the second node in the present application
  • the antenna 1452, the receiver 1454, the multi-antenna receiving processor 1458, the receiving processor 1456, and the controller/processor 1459 are used to receive the first information in the present application.
  • the first communication device 1450 corresponds to the first node in the present application
  • the antenna 1452, the transmitter 1454, the multi-antenna transmit processor 1457, the transmit processor 1468, and the controller/processor 1459 are used to send the first sidelink signal group in the present application.
  • the first communication device 1450 corresponds to the second node in the present application
  • the antenna 1452, the receiver 1454, the multi-antenna receiving processor 1458, the receiving processor 1456, and the controller/processor 1459 are used to perform the reception of at least one side signal in the first side signal group in the present application.
  • the antenna 1420, the transmitter 1418, the multi-antenna transmit processor 1471, the transmit processor 1416, and the controller/processor 1475 are used to send the first information in this application.
  • the present application also provides a computer-readable storage medium for storing a program.
  • the computer-readable storage medium can be applied to a terminal or network device provided in the present application, and the program enables a computer to execute the method performed by the terminal or network device in each embodiment of the present application.
  • the embodiment of the present application also provides a computer program product.
  • the computer program product includes a program.
  • the computer program product can be applied to the terminal or network device provided in the embodiment of the present application, and the program enables the computer to execute the method performed by the terminal or network device in each embodiment of the present application.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the terminal or network device provided in the embodiment of the present application, and the computer program enables a computer to execute the method executed by the terminal or network device in each embodiment of the present application.
  • the "indication" mentioned can be a direct indication, an indirect indication, or an indication of an association relationship.
  • a indicates B which can mean that A directly indicates B, such as B can be obtained through A; it can also mean that A indirectly indicates B, such as A indicates C, B can be obtained through C; it can also mean that there is an association relationship between A and B.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B according to A does not mean determining B only according to A, and B can also be determined according to A and/or other information.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or an association relationship between the two, or a relationship of indication and being indicated, configuration and being configured, etc.
  • pre-definition or “pre-configuration” can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in a device (for example, including a user device and a network device), and the present application does not limit the specific implementation method.
  • pre-definition can refer to what is defined in the protocol.
  • the “protocol” may refer to a standard protocol in the communication field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.
  • the term "and/or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships.
  • a and/or B can represent: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" in this article generally indicates that the associated objects before and after are in an "or" relationship.
  • the size of the serial numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
  • Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be read by a computer or a data storage device such as a server or data center that includes one or more available media integrated.
  • the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a digital versatile disk (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.
  • a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
  • an optical medium e.g., a digital versatile disk (DVD)
  • DVD digital versatile disk
  • SSD solid state disk

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Abstract

La présente demande concerne un procédé et un appareil utilisés dans un nœud pour des communications sans fil, lesquels procédé et appareil sont utilisés pour réaliser un appariement de faisceau initial sur la base d'un bloc de signal de synchronisation de liaison latérale. Le procédé consiste à : recevoir des premières informations, les premières informations étant utilisées pour déterminer une pluralité de ressources de signal de liaison latérale ; et envoyer un premier groupe de signaux de liaison latérale sur une première ressource de signal de liaison latérale, la pluralité de ressources de signal de liaison latérale étant associées à une pluralité d'identifiants de premier type, un premier identifiant étant l'un de la pluralité d'identifiants de premier type, le premier identifiant étant associé à un premier nœud, et le premier identifiant étant utilisé pour déterminer la première ressource de signal de liaison latérale parmi la pluralité de ressources de signal de liaison latérale.
PCT/CN2023/117073 2023-09-05 2023-09-05 Procédé et appareil utilisés dans un nœud pour des communications sans fil Pending WO2025050295A1 (fr)

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PCT/CN2023/117073 WO2025050295A1 (fr) 2023-09-05 2023-09-05 Procédé et appareil utilisés dans un nœud pour des communications sans fil

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