WO2023202577A1 - Procédé et appareil d'envoi d'informations de synchronisation, ue et support de stockage lisible - Google Patents

Procédé et appareil d'envoi d'informations de synchronisation, ue et support de stockage lisible Download PDF

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Publication number
WO2023202577A1
WO2023202577A1 PCT/CN2023/088996 CN2023088996W WO2023202577A1 WO 2023202577 A1 WO2023202577 A1 WO 2023202577A1 CN 2023088996 W CN2023088996 W CN 2023088996W WO 2023202577 A1 WO2023202577 A1 WO 2023202577A1
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Prior art keywords
carrier
transmission
synchronization
transmission resource
information
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PCT/CN2023/088996
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English (en)
Chinese (zh)
Inventor
李萍
刘思綦
纪子超
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维沃移动通信有限公司
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Publication of WO2023202577A1 publication Critical patent/WO2023202577A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes

Definitions

  • This application belongs to the field of communication technology, and specifically relates to a synchronization information sending method, device, UE and readable storage medium.
  • synchronization is required between the user equipment (User Equipment, UE) and the UE to ensure normal transmission of data.
  • UE User Equipment
  • the UE can first determine the synchronization reference (that is, the device that can provide synchronization information), and based on the determined synchronization reference Obtain the synchronization information of the carrier used for SL transmission, and then send a sidelink synchronization signal block (S-SSB) on the carrier to assist other UEs in synchronization.
  • the synchronization reference that is, the device that can provide synchronization information
  • S-SSB sidelink synchronization signal block
  • the corresponding SL time division duplexing (TDD) configuration is also different, and the resources for sending S-SSB on different carriers are not aligned. , therefore during the synchronization process, the number of times the UE searches for S-SSB will be increased, which will aggravate the data sending and receiving conflicts caused by the half-duplex problem.
  • SCS sub-carrier space
  • TDD time division duplexing
  • Embodiments of the present application provide a synchronization information sending method, device, UE and readable storage medium, which can reduce data sending and receiving conflicts caused by half-duplex problems.
  • a synchronization information sending method includes: a first UE determines a first parameter on each transmission resource in at least one transmission resource; wherein, the first parameter is used by the first UE in the corresponding transmission resource.
  • the first transmission is performed on the transmission resource; at least one transmission resource includes at least one of the following: at least two carriers; at least one carrier determined from the at least two carriers; at least one bandwidth part (Bandwidth Part, BWP); the first transmission includes :S-SSB transmission.
  • a synchronization information sending device which device includes a determining module and a transmission module; the determining module is used to determine the first parameter on each transmission resource in at least one transmission resource; wherein the first parameter is The transmission module performs the first transmission on the corresponding transmission resource; at least one transmission resource includes at least one of the following: at least two carriers; at least one carrier determined from the at least two carriers; at least one BWP; the first transmission includes: S-SSB transmission.
  • a UE in a third aspect, includes a processor and a memory.
  • the memory stores programs or instructions that can be run on the processor.
  • the program or instructions are executed by the processor, the following implementations are implemented: The steps of the method described in one aspect.
  • a UE including a processor and a communication interface, wherein the processor is configured to determine a first parameter on each transmission resource in at least one transmission resource; wherein the first parameter is used for the UE The first transmission is performed on the corresponding transmission resource; at least one transmission resource includes at least one of the following: at least two carriers; at least one carrier determined from the at least two carriers; at least one BWP; the first transmission includes: S-SSB transmission.
  • a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect are implemented.
  • a chip in a sixth aspect, includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the method described in the first aspect. .
  • a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the method described in the first aspect. Steps for synchronizing message sending methods.
  • the first UE may determine the first parameter on each transmission resource in at least one transmission resource; wherein the first parameter is used for the first UE to perform the first transmission on the corresponding transmission resource; at least One transmission resource includes at least one of the following: at least two carriers; at least one carrier determined from the at least two carriers; at least one BWP; the first transmission includes: S-SSB transmission.
  • the first UE can determine the first parameter on each of the at least two carriers, and/or can determine the first parameter on each of the at least one carrier determined from the at least two carriers ; and/or the first parameter on each BWP in at least one BWP can be determined, and the first parameter can be used by the first UE to perform the first transmission on the corresponding transmission resource, thus enabling transmission on different carriers.
  • the content and synchronization resources of S-SSB are aligned, which can reduce the number of UE
  • the number of searches can save the power consumption of the UE and reduce data sending and receiving conflicts caused by half-duplex problems.
  • Figure 1 is a block diagram of a wireless communication system applicable to the embodiment of the present application.
  • Figure 2 is a flow chart of a synchronization information sending method provided by an embodiment of the present application
  • Figure 3 is a schematic diagram of a synchronization information sending device provided by an embodiment of the present application.
  • Figure 4 is a schematic diagram of a UE provided by an embodiment of the present application.
  • Figure 5 is a schematic diagram of the hardware structure of a UE provided by an embodiment of the present application.
  • first, second, etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and “second” are distinguished objects It is usually one type, and the number of objects is not limited.
  • the first object can be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced, LTE-A Long Term Evolution
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • system and “network” in the embodiments of this application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • the following description describes an NR system for example purposes, and NR terminology is used in much of the following description, but these techniques may also be applied to applications other than NR system applications, such as 6th Generation (6G) communication systems.
  • 6G 6th Generation
  • FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable.
  • the wireless communication system includes UE11 and network side device 12.
  • UE11 can be a mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer) or notebook computer, personal digital assistant (Personal Digital Assistant, PDA), handheld computer, netbook, super mobile personal computer ( ultra-mobile personal computer (UMPC), mobile Internet device (MID), augmented reality (AR)/virtual reality (VR) equipment, robots, wearable devices (Wearable Device), Vehicle-mounted equipment (VUE), pedestrian UE (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (personal computers, PC), teller machines or self-service machines and other UE-side devices.
  • UMPC ultra-mobile personal computer
  • MID mobile Internet device
  • AR augmented reality
  • VR virtual reality
  • VUE Vehicle-mounted equipment
  • PUE pedestrian UE
  • the network side equipment 12 may include access network equipment or core network equipment, where the access network equipment 12 may also be called wireless access network equipment, radio access network (Radio Access Network, RAN), radio access network function or Wireless access network unit.
  • the access network device 12 may include a base station, a WLAN access point or a WiFi node, etc.
  • the base station may be called a Node B, an evolved Node B (eNB), an access point, a Base Transceiver Station (BTS), a radio Base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home B-Node, Home Evolved B-Node, Transmitting Receiving Point (TRP) or all
  • eNB evolved Node B
  • BTS Base Transceiver Station
  • BSS Basic Service Set
  • ESS Extended Service Set
  • Home B-Node Home Evolved B-Node
  • TRP Transmitting Receiving Point
  • CA Carrier Aggregation
  • LTE SL is used for direct data transmission between UEs without using network-side equipment.
  • the resource allocation modes supported by LTE SL include: scheduled resource allocation (Scheduled resource allocation) mode and autonomous resource selection (autonomous resource selection) mode; among them, the scheduled resource allocation mode is controlled by the network side device and allocates resources to each UE, and autonomous resources In the selection mode, the UE independently selects resources.
  • the LTE system supports SL CA starting from the 15th release.
  • the CA of LTE SL is different from the Uu interface (i.e., downlink and uplink).
  • primary carrier Primary component carrier
  • SCC secondary carrier
  • UEs in autonomous resource selection mode can independently perform resource sensing and resource reservation on each CC.
  • LTE SL can be applied to specific public safety matters (such as emergency communications in disaster sites such as fires or earthquakes), or vehicle to everything (V2X) communications, etc.; among them, V2X communications include basic safety communications, advanced (automatic ) operations such as driving, formation or sensor expansion. Since LTE SL only supports broadcast communications, LTE SL is mainly used for basic security communications, while the 5G NR system can be used in operating frequency bands above 6GHz that LTE does not support to support larger operating bandwidth, and the NR system also supports terminals. The SL interface communicates directly between NR SLs, so that other advanced V2X services can be carried out through NR SL.
  • V2X communications include basic safety communications, advanced (automatic ) operations such as driving, formation or sensor expansion. Since LTE SL only supports broadcast communications, LTE SL is mainly used for basic security communications, while the 5G NR system can be used in operating frequency bands above 6GHz that LTE does not support to support larger operating bandwidth, and the NR system also supports terminals. The
  • a synchronization reference is a device that can provide synchronization information.
  • the synchronization references supported in the NR SL system include Global Navigation Satellite System (GNSS), eNB, gNB, UE, and UE internal clock.
  • GNSS Global Navigation Satellite System
  • eNB eNB
  • gNB gNode B
  • UE UE internal clock
  • the UE can be located within the cell or outside the cell; and the two UEs performing side-link communication can be located in the same cell or different cells; or one UE is located within the cell and the other UE is located outside the cell; or the Both UEs are located outside the cell; therefore, multiple types of synchronization references are introduced in sideline communications to meet the communication needs of various scenarios.
  • Cell ID is used to identify different cells, and Cell ID is carried through the primary synchronization signal and the secondary synchronization system.
  • the UE before performing sidelink communication, the UE can first determine the synchronization reference, determine the synchronization information based on the synchronization reference, and after determining the synchronization information, send the synchronization signal (Sidelink Synchronization Signal) on the sidelink. , SLSS) and Physical SideLink Broadcast Channel (PSBCH) to assist other UEs in synchronization.
  • SLSS Systemlink Synchronization Signal
  • PSBCH Physical SideLink Broadcast Channel
  • SLSS is divided into side row primary synchronization signal (S-PSS) and side row secondary synchronization signal (S-SSS).
  • S-PSS side row primary synchronization signal
  • S-SSS side row secondary synchronization signal
  • SLSS can carry Sidelink Synchronization Signal Identity (SLSS ID) to distinguish the UE sending synchronization information.
  • the NR-V2X system supports 672 SLSS IDs, namely N_ID ⁇ SL ⁇ 0,1,...,671 ⁇ , And ⁇ 0,1,...,671 ⁇ can be divided into two sets, namely intra-cell ID: ⁇ 0,1,...,335 ⁇ , and outside-cell ID: ⁇ 336,337,...,671 ⁇ ; among them, SLSS ID 0.
  • SLSS ID 336 and SLSS ID 337 are reserved for UEs that obtain synchronization information from GNSS for use when sending sideline synchronization signals.
  • the PSBCH carries the Master Information Block-SL (Master Information Block-SL, MIB-SL).
  • the MIB-SL can include at least one of the following information fields: Time Division Duplex (TDD) of the sidelink transmission system ) configuration (sl-TDD-Config); an in-coverage indication (inCoverage) used to indicate whether the UE sending S-SSB is within the cell coverage, or whether the UE obtains synchronization information directly from GNSS; direct frame number (directFrameNumber), which is the direct frame number corresponding to sending S-SSB; slot index (slotIndex), which is the slot index corresponding to sending S-SSB; reserved bits (reservedBits).
  • TDD Time Division Duplex
  • sl-TDD-Config an in-coverage indication used to indicate whether the UE sending S-SSB is within the cell coverage, or whether the UE obtains synchronization information directly from GNSS
  • directFrameNumber which is the direct frame number corresponding to sending S-SSB
  • slot index slot index corresponding to sending S-SSB
  • reserved bits reserved bits
  • the UE can obtain the sidelink transmission configuration parameters from the network side device.
  • the network side device can configure the sidelink transmission parameters on the carrier where the current cell is located through system information block information (ie, SIB information, such as System Information Block Type21) or Radio Resource Control (RRC) signaling, or configure it for Transmission parameters of adjacent carriers for sidelink transmission (such as 5.9GHz ITS carrier).
  • SIB information such as System Information Block Type21
  • RRC Radio Resource Control
  • the network-side device configures the transmission parameters of adjacent carriers when the carrier for side-link transmission and the current carrier belong to different carriers. For example, a dedicated carrier is used for side-link transmission. For each carrier, the network side device can configure multiple sets of synchronization parameter configurations for the carrier.
  • Each set of synchronization parameter configurations includes synchronization reference type, synchronization signal ID, synchronization resources and other related parameters. Therefore, when the UE transmits sidelink synchronization information on the sidelink, it can select one set from multiple sets of synchronization parameters configured by the network side device to determine the corresponding synchronization parameters for transmission.
  • Case 1 UE selects GNSS as the synchronization source
  • Case 2 UE selects cell as the synchronization source
  • the UE selects a set of synchronization parameter configurations that does not include the parameter gnss-Sync from the multiple sets of synchronization parameter configurations corresponding to the carrier configured in the network, and determines the corresponding SLSS ID and the corresponding synchronization resource sl-SSB-TimeAllocation1 based on the set of synchronization parameter configurations. .
  • Case 3 UE selects GNSS as the synchronization source
  • Case 4 UE selects GNSS as the synchronization source
  • Case 5 The UE selects the synchronization reference SyncRef UE as the synchronization source
  • Case 5-1 The information field inCoverage in the MIB-SL sent by the above SyncRef UE is set to True;
  • Case 5-2 The information field inCoverage in the MIB-SL sent by the above SyncRef UE is set to False, and the SLSS ID used belongs to the outside-cell ID set;
  • the UE determines that the SLSS ID is: the same SLSS ID as the SLSS ID of the above-mentioned SyncRef UE; and the UE determines that the synchronization resource is: a synchronization resource that is different from the synchronization resource used by the SyncRef UE. resource, that is, if the SyncRef UE uses sl-SSB-TimeAllocation1, then the UE uses sl-SSB-TimeAllocation2, if the SyncRef UE uses sl-SSB-TimeAllocation2, then the UE uses sl-SSB-TimeAllocation1.
  • the UE uses the SLSS ID+336 of the above SyncRef UE as the SLSS ID used by the UE; and the UE determines that the synchronization resource is: a synchronization resource different from the synchronization resource used by the SyncRef UE, that is, if the SyncRef UE uses sl-SSB-TimeAllocation1, then The UE uses sl-SSB-TimeAllocation2. If the SyncRef UE uses sl-SSB-TimeAllocation2, then the UE uses sl-SSB-TimeAllocation1.
  • Case 6 The UE does not select a synchronization source and obtains synchronization information based on the internal clock;
  • the UE randomly selects an SLSS ID from the set of SLSS IDs other than 336 and 337 belonging to the cell; and selects the first set of synchronization resources sl-SSB-TimeAllocation1 or the second set of synchronization resources sl-SSB-TimeAllocation2.
  • Case 1 Within the coverage of the carrier used for NR side chain communication;
  • sl-TDD-Config If the received SIB1 is configured with tdd-UL-DL-ConfigurationCommon, set sl-TDD-Config to a value with the same meaning as tdd-UL-DL-ConfigurationCommon; otherwise set sl-TDD-Config to all The bits are all “1”;
  • reservedBits If the synchronization parameter configuration of the corresponding carrier in the received SIB12 configuration contains syncInfoReserved, set reservedBits to the value of syncInfoReserved; otherwise, set all bits of sl-TDD-Config to all "0".
  • Case 2 Outside the coverage of the carrier used for NR side chain communication, and the corresponding carrier is in the list of network configuration;
  • sl-TDD-Config Set sl-TDD-Config to the preconfigured value
  • reservedBits Set reservedBits to a preconfigured value.
  • Case 3 Outside the coverage area used for NR side chain communication, and the UE selects GNSS as the synchronization reference, and sl-SSB-TimeAllocation3 is not pre-configured;
  • sl-TDD-Config Set sl-TDD-Config to the preconfigured value
  • reservedBits Set reservedBits to a preconfigured value.
  • sl-TDD-Config Set sl-TDD-Config to the corresponding information field value in the received MIB-SL;
  • reservedBits Set reservedBits to the corresponding information field value in the received MIB-SL.
  • sl-TDD-Config Set sl-TDD-Config to the preconfigured value
  • reservedBits Set reservedBits to a preconfigured value.
  • R18NR SL introduces carrier aggregation technology
  • the UE can determine the synchronization reference of the synchronization carrier as the synchronization reference of other CA transmission carriers and send S-SSB on multiple carriers, so the UE needs to determine each carrier SLSS and PSBCH on different carriers, including determining the synchronization resources, SLSS ID and content in MIB-SL to align the resources for sending S-SSB on different carriers.
  • NR SL supports multiple SCS and the number of repetitions of multiple S-SSBs, and the TDD configuration of SL is associated with the SCS of the carrier, the SCS on different carriers is different, and the corresponding TDD configuration of the SL is different and different.
  • the resources for sending S-SSB on the carrier are not aligned.
  • the UE can only determine SLSS and PSBCH on one carrier and send S-SSB on the corresponding carrier. Even if according to the above method, it determines SLSS and PSBCH on each carrier separately and sends S-SSB on the corresponding carrier.
  • SSB will also cause the resources for sending S-SSB on different carriers to be misaligned, so the UE needs to increase the number of times it searches for S-SSB. This will increase the power consumption of the UE on the one hand, and aggravate the data loss caused by the half-duplex problem on the other. Transceiver conflict.
  • the first UE can determine the first parameter on each carrier of at least two carriers, and the first parameter can be used by the first UE in The first transmission is performed on the corresponding carrier, so that the content and synchronization resources of the S-SSB sent on different carriers are aligned, thereby reducing the number of UE searches, which can save the power consumption of the UE and reduce the half-duplex problem caused by Data sending and receiving conflicts.
  • FIG. 2 shows a flow chart of the method for sending synchronization information provided by an embodiment of the present application.
  • the synchronization information sending method provided by the embodiment of the present application may include the following step 201.
  • Step 201 The first UE determines the first parameter on each transmission resource in at least one transmission resource.
  • the first parameter is used by the first UE to perform the first transmission on the corresponding transmission resource.
  • the at least one transmission resource includes at least one of the following: at least two carriers; at least one carrier determined from the at least two carriers; and at least one BWP.
  • the first transmission includes: S-SSB transmission.
  • the first transmission may also include: any possible SL transmission except S-SSB transmission.
  • the first transmission may also include: multi-carrier transmission.
  • the first parameter may be used by the first UE to send or receive S-SSB on the corresponding transmission resource.
  • the first parameter may be used by the first UE to perform SL transmission or reception on the corresponding transmission resource.
  • the first parameter may be used by the first UE to perform multi-carrier transmission or reception on the corresponding transmission resource.
  • the second UE can determine the first parameter on the corresponding transmission resource based on the S-SSB, which can facilitate The second UE performs synchronization.
  • each of the above transmission resources may include at least one of the following: each carrier in at least two carriers; each carrier in at least one carrier determined from at least two carriers; at least Each BWP within a BWP.
  • the first parameter may include at least one of the following:
  • Time Division Duplex (TDD) configuration of SL TDD
  • the time slot index may be the time slot index corresponding to the transmission of S-SSB.
  • the synchronization resource for transmitting S-SSB may be the time domain position or frequency domain position of transmitting S-SSB, etc.
  • the SLSS ID may be the SLSS ID corresponding to the transmitted S-SSB.
  • the within-coverage indication may be the within-coverage indication corresponding to the transmission S-SSB.
  • the direct frame number may be the direct frame number corresponding to the transmission of S-SSB.
  • the reserved bits may be reserved bits corresponding to the transmission of S-SSB.
  • the first parameter may include the TDD configuration of SL, time slot index, synchronization resource for transmitting S-SSB, SLSS ID, coverage indication, direct frame number, reserved bits, SCS of S-SSB and at least one of the SCS of the carrier. Therefore, the first UE can determine different first parameters on each transmission resource for different scenarios, thereby improving the flexibility of the first UE in determining the first parameter.
  • step 201 can be specifically implemented through the following step 201a.
  • Step 201a The first UE determines at least part of the first parameters on each transmission resource according to the first information.
  • the specific method for the first UE to determine at least part of the first parameters on each transmission resource based on the first information will be described in detail in the following embodiments, and will not be described again in order to avoid repetition.
  • the first UE since the first UE can determine at least part of the first parameters on each transmission resource according to the first information, the accuracy of the first UE in determining the first parameters can be improved.
  • the first information may include at least one of the following:
  • the first carrier i.e. first carrier
  • the first carrier may include: a synchronization carrier, a reference carrier or a main carrier.
  • the synchronization reference may include: GNSS, base station, SyncRef UE or UE internal clock.
  • the above base station may include: eNB or gNB.
  • the first parameter information may be used to configure at least part of the first parameters.
  • the first parameter information may be used to configure at least part of the first parameters on each of the above transmission resources.
  • the base station may directly configure at least part of the first parameters of the UE on each of the above transmission resources through the first parameter information.
  • the first parameter information is used to configure at least part of the first parameters on all transmission resources, that is, the first parameter information on each of the above transmission resources is the same, then the first parameter information on each transmission resource is the same. At least some of the first parameters are the same.
  • the first parameter information is used to configure at least part of the first parameters on each of the above transmission resources, then at least part of the first parameters on each of the transmission resources are the same.
  • the first parameter information corresponding to each of the above transmission resources may be different.
  • the preconfiguration/base station configuration is such that at least part of the first parameters in the first parameter information corresponding to each transmission resource is The information is the same.
  • the first parameter information may be configured, pre-configured or specified by the protocol.
  • the first indication information is used to indicate whether at least part of the first parameters of at least part of the transmission resources in the first transmission resources are aligned, and the first transmission resources include the above-mentioned at least one transmission resource.
  • the first transmission resource may include all carriers/BWPs transmitting S-SSB, and/or all carriers/BWPs transmitting SL, and/or all carriers/BWPs transmitting CA.
  • the first UE may determine according to at least part of the first parameters on the first carrier.
  • Part of the first parameter determine the first At least part of the first parameter on each of at least part of the transmission resources of a transmission resource.
  • the first UE may determine the first parameter in the related technology.
  • a one-parameter method determines the first parameter on each transmission resource separately.
  • At least part of the first parameters on each transmission resource in at least part of the first transmission resources may be the same as at least part of the first parameters on the first carrier.
  • the first indication information may be obtained from a network side device or preconfigured.
  • the first indication information may include at least one of the following:
  • the network side device indicates whether the current transmission is intra band (i.e. in-band) CA transmission;
  • the network side device indicates whether the current transmission is intra band multi-carrier transmission
  • the network side device indicates whether the current transmission is a CA transmission in which at least part of the first parameters are aligned
  • the network side device indicates whether the current transmission is a multi-carrier transmission in which at least part of the first parameters are aligned;
  • the network side device indicates whether the current transmission of the UE is at least partially aligned with the first parameter
  • the network side device indicates whether the UE CA transmission is at least partially aligned with the first parameter
  • the network side device pre-configures at least part of the first parameter alignment of all candidate CA carriers
  • the network side device pre-configures at least part of the first parameter alignment of all candidate multi-carriers.
  • the first indication information may include at least one of the above A to H, the flexibility of indicating whether at least part of the first parameters of at least part of the first transmission resources are aligned can be improved.
  • the carrier list may be: a carrier list that can be used for SL transmission or CA transmission or multi-carrier transmission.
  • the transmission resource may be a carrier or BWP.
  • the first UE since the first information may include at least one of the above 1 to 16, the first UE may be allowed to determine at least part of the first parameters on each transmission resource based on different first information, thereby improving the The first UE determines the flexibility of the first parameter.
  • step 201a can be specifically implemented through the following step 201a1.
  • Step 201a1 The first UE determines at least part of the first parameters on each transmission resource according to the first information and the first rule.
  • the first rule includes at least one of the following:
  • the first information includes a synchronization reference
  • the synchronization reference determines at least part of the first parameters on each transmission resource.
  • the first UE since the first UE can determine at least part of the first parameters on each of the above transmission resources according to the first carrier and/or synchronization reference, and the corresponding rules, it can improve the first UE's determination of each transmission resource. Flexibility of at least part of the first parameter on the transmission resource.
  • the above (a) may specifically include the following (a1) or (a2).
  • the first UE can determine at least part of the first parameters on the first carrier, or the next level of at least part of the first parameters on the first carrier, as at least part of the above-mentioned transmission resources. part of the first parameters, therefore the flexibility of the first UE to determine at least part of the first parameters on each transmission resource can be further improved.
  • step 201a may be specifically implemented through the following step 201a2.
  • Step 201a2 The first UE determines at least part of the first parameters on each transmission resource according to the first information and the second rule.
  • the second rule includes at least one of the following, that is, at least one of the following (1.1) to (8.1):
  • the first parameter includes the TDD configuration of the SL
  • the first TDD configuration may include at least one of the following: reference TDD configuration; Consider the TDD configuration of SL converted according to the third rule.
  • the third rule may be: convert the reference TDD configuration into a TDD configuration using the SCS corresponding to each of the above transmission resources as a reference.
  • the purpose of converting according to the third rule according to the reference TDD configuration is to ensure the compatibility of the TDD configuration of the SL.
  • the reference TDD configuration may include at least one of the following: TDD configuration determined by the first UE; TDD configuration configured by the network; preconfigured TDD configuration; TDD configuration agreed upon by the protocol.
  • the TDD configuration of the SL on the first carrier may be network configured and/or preconfigured.
  • the first UE may determine the TDD configuration of the SL on the first carrier based on the received SIB information or RRC signaling.
  • the TDD configuration of the SL on the first carrier is configured by the network; if the first UE is outside the coverage of the first carrier, , then the TDD configuration of the SL on the first carrier is pre-configured.
  • the first TDD configuration may include the reference TDD configuration, and/or the TDD configuration of the SL converted according to the third rule according to the reference TDD configuration
  • the TDD configuration of the SL on the first carrier may be the network configuration , and/or preconfigured, therefore when the first UE determines the TDD configuration of the SL on each of the above transmission resources according to the first TDD configuration or the TDD configuration of the SL on the first carrier, the first UE can improve the determination of the TDD configuration of the SL on the first carrier. Flexibility in TDD configuration of SL on each transport resource.
  • the above (1.2) may specifically include the following (1.2.1) or (1.2.2).
  • the fourth rule may be: converting the TDD configuration of the SL of the first carrier with the SCS of the first carrier as a reference into a TDD configuration with the SCS of each transmission resource as a reference.
  • TDD configuration is associated with the SCS. If different SCS represent the same TDD configuration, the specific bit value needs to be converted according to the SCS.
  • the TDD configuration of the SL on the first carrier can be the same as the TDD configuration of the SL on each transmission resource. Identical or compatible, which can facilitate the alignment of the TDD configuration of SL.
  • the above (1.3) may specifically include the following (1.3.1), and (1.3.2) or (1.3.3).
  • the Uu TDD configuration corresponding to the first carrier is obtained.
  • the fifth rule may be: converting the TDD configuration corresponding to the first carrier using the SCS of the Uu carrier as a reference into a TDD configuration using the SCS of each transmission resource as a reference.
  • the Uu TDD configuration corresponding to the first carrier can be configured with each transmission
  • the TDD configuration of the SL on the resource is the same or compatible, which can further facilitate the alignment of the TDD configuration of the SL.
  • the first parameter includes a timeslot index
  • the slot index on the transmission resource In the case where the first parameter includes a timeslot index, determine the timeslot index on each transmission resource according to the first reference SCS; or, (2.2) determine the timeslot index on each transmission resource according to the timeslot index on the first carrier. The slot index on the transmission resource.
  • the first reference SCS may include at least one of the following: network configured SCS; preconfigured SCS; protocol agreed SCS.
  • the first reference SCS may be 15 kHz, or may be the SCS of the first carrier, etc.
  • the first reference SCS may include at least one of a network-configured SCS, a pre-configured SCS, and a protocol-agreed SCS
  • the first UE determines each of the above transmission resources based on the first reference SCS.
  • the time slot index is used, the flexibility of the first UE in determining the time slot index on each transmission resource can be improved.
  • the above (2.2) may specifically include the following (2.2.1) or (2.2.2).
  • the second rule since the second rule may include the above (2.2.1) or (2.2.2), it can be retrieved through the time slot.
  • the index is aligned with the first carrier, or according to the conversion of different SCS, to improve the accuracy of determining the time slot index at the same time when the SCS of each transmission resource is different.
  • the first parameter includes the synchronization resource for transmitting S-SSB
  • the synchronization resources for transmitting S-SSB are determined on each transmission resource.
  • the reference synchronization resources may include at least one of the following: synchronization resources determined by the first UE; synchronization resources configured by the network; preconfigured synchronization resources; and synchronization resources agreed upon by the protocol.
  • the reference synchronization resources may include at least one of the synchronization resources determined by the first UE, the synchronization resources configured by the network, the preconfigured synchronization resources, and the synchronization resources agreed upon by the protocol, the first UE performs the operation according to the reference When the synchronization resource determines the time slot index on each transmission resource, the flexibility of the first UE in determining the time slot index on each transmission resource can be improved.
  • the above (3.2) may specifically include the following (3.2.1) or (3.2.2) or (3.2.3).
  • the above conversion is to ensure that aligned synchronization resources can be obtained when the SCS of each transmission resource is different from the SCS of the first carrier.
  • the synchronization resources for transmitting S-SSB on the first carrier may be network configured and/or preconfigured.
  • the network can configure the synchronization resources or synchronization source types for transmitting S-SSB on the first carrier through SIB information or RRC signaling.
  • the first synchronization resource is different from the synchronization resource used to transmit S-SSB on the first carrier.
  • the synchronization resources for transmitting S-SSB on the first carrier are the first set of synchronization resources corresponding to the first carrier, and the first synchronization resources are the second set of synchronization resources corresponding to the first carrier.
  • the second rule may include the above (3.2.1) or (3.2.2) or (3.2.3), it is possible to improve the alignment of the synchronization resources for transmitting S-SSB on each of the above transmission resources. , with the flexibility of synchronization resources for transmitting S-SSB on the first carrier.
  • the first UE may determine the information domain for transmitting at least part of the MIB-SL of the S-SSB on the carrier frequency of the NR side chain communication according to the following method:
  • the first UE can determine that coverage is true
  • the first UE can set sl-TDD-Config to a value with the same meaning as tdd-UL-DL-ConfigurationCommon; otherwise Set all bits of sl-TDD-Config to all "1"; if the synchronization parameter configuration of the SIB12 configuration received on the first carrier contains syncInfoReserved, the first UE can set reservedBits to the value of syncInfoReserved; otherwise, set sl- All bits of TDD-Config are all "0".
  • the first UE may determine that coverage is true, and may set sl-TDD-Config to a preconfigured value of the corresponding first carrier frequency, and may set reservedBits to a preconfigured value of the corresponding first carrier frequency.
  • the first UE may determine that coverage is true, and may set sl-TDD-Config to a preconfigured value corresponding to the first carrier, and may set reservedBits to a preconfigured value corresponding to the first carrier.
  • the first UE may determine that coverage is false, and may set sl-TDD-Config to the corresponding information field value in the received MIB-SL on the first carrier, and may set reservedBits to the corresponding information field value on the first carrier. The corresponding information field value in the received MIB-SL.
  • the first UE may determine that coverage is false, and may set sl-TDD-Config to a preconfigured value corresponding to the first carrier, and may set reservedBits to a preconfigured value corresponding to the first carrier.
  • directFrameNumber and slotIndex can be determined according to the slot in which the first carrier sends SLSS.
  • the first UE can determine the information domain of the MIB-SL for sending S-SSB on the carrier frequency used for NR side chain communication in different scenarios according to the above method, so as to realize the carrier frequency of each NR side chain communication. Alignment of the information field of the MIB-SL sent on the S-SSB.
  • the reference SLSS ID is determined as the SLSS ID on each of the above transmission resources; or, (4.2) According to the SLSS ID on the first carrier, each transmission resource is determined SLSS ID on.
  • the reference SLSS ID may include at least one of the following: the SLSS ID determined by the first UE; the SLSS ID configured by the network; the preconfigured SLSS ID; and the SLSS ID agreed upon by the protocol.
  • the reference SLSS ID may include at least one of the SLSS ID determined by the first UE, the SLSS ID configured by the network, the preconfigured SLSS ID, and the SLSS ID agreed upon by the protocol, the first UE performs the operation according to the reference
  • the SLSS ID determines the time slot index on each of the above transmission resources
  • the flexibility of the first UE in determining the time slot index on each of the transmission resources can be improved.
  • the above (4.2) may specifically include the following (4.2.1) or (4.2.2).
  • the SLSS ID obtained by adding the SLSS ID on the first carrier and the first value is determined as the SLSS ID on each of the above transmission resources.
  • the first value is an integer
  • the SLSS ID on the first carrier includes at least one of the following: fixed SLSS ID; network configured SLSS ID; preconfigured SLSS ID; the same SLSS ID as the SyncRef UE; The SLSS ID obtained by adding the SLSS ID of the SyncRef UE and the first value; the SLSS ID determined randomly.
  • the first numerical value may be any possible integer, for example, the first numerical value may be 336 or 337, etc.
  • the fixed SLSS ID on the first carrier includes a fixed SLSS ID
  • the fixed SLSS ID can be any possible SLSS ID.
  • the fixed SLSS ID is 0 or 337, etc. .
  • the network can configure the SLSS ID on the first carrier through SIB information or RRC signaling.
  • the randomly determined SLSS ID may be a randomly determined SLSS ID within a certain set, for example, the randomly determined SLSS ID
  • the SLSS IDs can be randomly determined SLSS IDs other than 336 and 337 and within the set of SLSS IDs outside the defined coverage range.
  • the second rule may include the above (4.2.1) or (4.2.2), the flexibility of aligning the SLSS ID on each of the above transmission resources with the SLSS ID on the first carrier can be improved. .
  • the UE can also determine the SLSS ID on each of the above transmission resources based on the synchronization reference on the first carrier or the synchronization reference determined by the UE.
  • the specific determination can be based on specific scenarios. This application The examples are not limiting.
  • the first UE may determine at least part of the SLSS ID on the carrier frequency used for NR side chain communication and at least part of the synchronization resources for transmitting the SLSS as follows:
  • the first UE can determine that the SLSS ID is 0, and determine that the synchronization resource for sending SLSS is multiple sets of synchronization parameter configurations (sl-SyncConfigList) of the first carrier configured from the network Select the synchronization parameter configuration including gnss-Sync, and select the synchronization resource sl-SSB-TimeAllocation1 corresponding to this set of synchronization parameter configuration.
  • sl-SyncConfigList synchronization parameter configuration including gnss-Sync
  • the first UE determines the base station as the synchronization reference, then the first UE can determine the SLSS ID and synchronization resource as the first UE selects a set from multiple sets of synchronization parameter configurations of the first carrier configured by the network that does not include the parameter gnss- Sync's synchronization parameter configuration, and determine the corresponding SLSS ID and synchronization resources based on this set of synchronization parameter configuration.
  • the first UE may determine that the SLSS ID is 0; and if the first carrier frequency is preconfigured with sl-SSB-Time Allocation3, then the first UE may determine that the synchronization resource for sending SLSS is sl-SSB-Time Allocation3 that is preconfigured corresponding to the first carrier frequency. TimeAllocation3; If the first carrier frequency is not preconfigured, the first UE may determine that the synchronization resource for sending SLSS is sl-SSB-TimeAllocation1 preconfigured corresponding to the first carrier frequency.
  • the first UE determines that the SyncRef UE is used as a synchronization reference, and the information field inCoverage in the MIB-SL sent by the SyncRef UE is set to False, and the SLSS ID used belongs to the SLSS ID set outside the coverage range; then the first UE It can be determined that the SLSS ID is the same as the SLSS ID of the SyncRef UE, and the synchronization resource for sending the SLSS is determined to be a synchronization resource preconfigured corresponding to the first carrier frequency that is different from that used by the SyncRef UE.
  • SyncRef UE uses sl-SSB-TimeAllocation1 corresponding to the first carrier frequency preconfiguration, then the first UE uses sl-SSB-TimeAllocation2 corresponding to the first carrier frequency preconfiguration; if SyncRef UE uses sl corresponding to the first carrier frequency preconfiguration -SSB-TimeAllocation2, then the first UE uses sl-SSB-TimeAllocation1 preconfigured corresponding to the first carrier frequency.
  • the first UE determines the SyncRef UE as the synchronization reference, and the SLSS receiving the SyncRef is sent using the sl-SSB-TimeAllocation3 preconfigured corresponding to the first carrier frequency, then the first UE can determine that the SLSS ID is 337, and it can be determined
  • the synchronization resource for sending SLSS is sl-SSB-TimeAllocation2 preconfigured corresponding to the first carrier frequency.
  • the first UE determines that the SyncRef UE is used as a synchronization reference, and the SLSS that has not received the SyncRef is sent using the sl-SSB-TimeAllocation3 preconfigured corresponding to the first carrier frequency, then the first UE can determine that the SLSS ID is the SyncRef UE. SLSS ID+336, and it can be determined that the synchronization resource and the SyncRef UE use different synchronization resources preconfigured corresponding to the first carrier frequency.
  • SyncRef UE uses sl-SSB-TimeAllocation1 corresponding to the first carrier frequency preconfiguration, then the first UE uses sl-SSB-TimeAllocation2 corresponding to the first carrier frequency preconfiguration; if SyncRef UE uses sl corresponding to the first carrier frequency preconfiguration -SSB-TimeAllocation2, then the first UE uses sl-SSB-TimeAllocation1 preconfigured corresponding to the first carrier frequency;
  • the first UE may randomly select from the SLSS ID set except 336 and 337 and is outside the coverage area. Select an SLSS ID; and sl-SSB-TimeAllocation1 or sl-SSB-TimeAllocation2 corresponding to the first carrier frequency preconfiguration can be randomly determined.
  • the first UE can determine the SLSS ID on the carrier frequency used for NR side chain communication and the synchronization resource for sending SLSS in different scenarios according to the above method, so as to realize the SLSS ID on the carrier frequency of each NR side chain communication. Alignment of SLSS ID and synchronization resource sending SLSS.
  • the first parameter includes an in-coverage indication
  • determine the reference coverage indication as the coverage indication on each of the above transmission resources; or, (5.2) determine the coverage indication on the first carrier as Coverage indication on each transport resource.
  • the reference coverage indication may include at least one of the following: a coverage indication determined by the first UE; a coverage indication configured by the network; a preconfigured coverage indication; and a coverage indication agreed upon by the protocol. .
  • the coverage indication on the first carrier is determined based on second information
  • the second information may include at least one of the following: whether the first UE is within the coverage of the first carrier; A synchronization reference determined by the UE; a synchronization reference corresponding to the first carrier; and a synchronization resource of the S-SSB sent by the first UE on the first carrier.
  • the reference coverage indication may include different coverage indications, and the coverage indication on the first carrier may be determined based on different second information, the first UE will refer to the coverage indication or the first When the coverage indication on the carrier is determined to be the coverage indication on each transmission resource, the flexibility of the first UE in determining the coverage indication on each transmission resource can be improved.
  • the direct frame number on the first carrier is determined as the direct frame number on each of the above transmission resources.
  • the reference reserved bits may include at least one of the following: reserved bits determined by the first UE; reserved bits configured by the network; preconfigured reserved bits; reserved bits agreed upon by the protocol .
  • the reserved bits on the first carrier may be network configured and/or preconfigured.
  • the reference reserved bits may include at least one of the reserved bits determined by the first UE, the reserved bits configured by the network, the preconfigured reserved bits, and the reserved bits agreed upon by the protocol, and the third
  • the reserved bits on a carrier may be network configured and/or preconfigured. Therefore, the first UE will refer to the reserved bits or the reserved bits on the first carrier to determine the reserved bits on each of the above transmission resources. When bits are reserved, the flexibility of the first UE in determining the reserved bits on each transmission resource can be improved.
  • the first parameter includes the first SCS
  • the first SCS may include at least one of the following: SCS of S-SSB; SCS of carrier.
  • the second reference SCS may include at least one of the following: SCS determined by the first UE; SCS configured by the network; preconfigured SCS; and SCS agreed upon by the protocol.
  • the first SCS on the first carrier may be network configured and/or preconfigured.
  • the first SCS may include the SCS of the S-SSB and/or the SCS of the carrier
  • the second reference SCS may include the SCS determined by the first UE
  • the first SCS on the first carrier may be network configured, and/or preconfigured, so the first UE will refer to the second reference SCS or the first SCS on the first carrier
  • the first UE can achieve the alignment of at least part of the first parameters on each of the above transmission resources through the second rule, that is, at least one of the above (1.1) to (8.1).
  • the first UE since the first UE can determine at least part of the first parameters on each of the above transmission resources according to the first information and the second rule, for different first parameters, the first UE can determine according to different rules. Determining at least part of the first parameters on each transmission resource can further improve the flexibility of the first UE in determining at least part of the first parameters on each transmission resource.
  • the first transmission may also include transmission of second indication information, and the second indication information may be used to indicate at least part of the carrier information aligned with the first parameter or the information of the first carrier.
  • the second UE may determine at least part of the carrier information (for example, frequency information or carrier index, etc.) aligned with the first parameter or the first carrier based on the second indication information received from the first UE. Information.
  • the carrier information for example, frequency information or carrier index, etc.
  • the second UE may obtain the second indication information according to the S-SSB (for example, MIB) received from the first UE.
  • S-SSB for example, MIB
  • the first transmission may also include transmission of second indication information used to indicate at least part of the first parameter alignment or information of the first carrier
  • other UEs such as the second UE
  • the received second indication information determines at least part of the carrier information aligned with the first parameter or the information of the first carrier, thereby further facilitating synchronization of other UEs.
  • the first UE can determine the first parameter on each carrier of at least two carriers, and/or can determine at least one carrier determined from at least two carriers, the first parameter on each carrier in the at least one BWP; and/or the first parameter on each BWP in the at least one BWP can be determined, and the first parameter can be used by the first UE to perform the first transmission on the corresponding transmission resource, Therefore, the content and synchronization resources of the S-SSB sent on different carriers can be aligned, thereby reducing the number of UE searches, which can save the power consumption of the UE and reduce data transmission and reception conflicts caused by half-duplex problems.
  • the execution subject may be a synchronization information sending device.
  • a synchronization information sending device performing a synchronization information sending method is used as an example to illustrate the synchronization information sending device provided by the embodiment of the present application.
  • the embodiment of the present application provides a synchronization information sending device 30 , which may include a determination module 31 and a transmission module 32 .
  • the determination module 31 may be used to determine the first parameter on each transmission resource in at least one transmission resource; wherein the first parameter is used by the transmission module 32 to perform the first transmission on the corresponding transmission resource.
  • At least one transmission resource may include at least one of the following: at least two carriers; at least one carrier determined from the at least two carriers; at least one BWP.
  • the first transmission may include: S-SSB transmission.
  • the determination module 31 may be configured to determine at least part of the first parameters on each of the above transmission resources according to the first information.
  • the first information may include at least one of the following: a first carrier; a synchronization reference; at least part of the configured first parameter information; at least part of the preconfigured first parameter information; at least part of the protocol-specified first parameter information.
  • One parameter information One parameter information; first indication information; whether the UE is within the coverage of the carrier frequency; whether the UE is within the coverage of the first carrier frequency; whether the carrier is in the carrier list configured by the network; whether the first carrier is among the carriers configured by the network Within the list; whether the transmission resource is selected for multi-carrier transmission; whether the transmission resource has been used for multi-carrier transmission; whether the transmission resource is selected for SL transmission; transmission resource Whether it has been used for SL transmission; Uu's FDD information; Uu's TDD information.
  • the first carrier includes: synchronization carrier, reference carrier or main carrier; synchronization reference includes: GNSS, base station, SyncRef UE or UE internal clock; the first parameter information is used to configure at least part of the first parameters; the first indication information is used to Indicate whether at least part of the first parameters of at least part of the first transmission resources are aligned, and the first transmission resource includes the above-mentioned at least one transmission resource.
  • the determination module 31 may be configured to determine at least part of the first parameters on each of the above transmission resources according to the first information and the first rule.
  • the first rule includes at least one of the following:
  • the first information includes the first carrier
  • the first information includes a synchronization reference
  • the first rule may specifically include: determining at least part of the first parameters on the first carrier as at least part of the first parameters on each of the above transmission resources; or, determining at least part of the first parameters on the first carrier The next level of at least part of the first parameters is determined to be at least part of the first parameters on each transmission resource.
  • the first indication information may include at least one of the following: the network side device indicates whether the current transmission is intra band CA transmission; the network side device indicates whether the current transmission is intra band multi-carrier transmission; the network side device indicates Whether the current transmission is a CA transmission in which at least part of the first parameters are aligned; the network side device indicates whether the current transmission is a multi-carrier transmission in which at least part of the first parameters are aligned; the network side device indicates whether the current transmission of the UE is at least part of the first parameter alignment; the network The side device indicates whether the UE CA transmission is at least partially aligned with the first parameters; the network side device preconfigures at least partial first parameter alignment of all candidate CA carriers; the network side device preconfigures at least partial first parameter alignment of all candidate multi-carriers .
  • the first parameter may include at least one of the following: TDD configuration of SL; time slot index; synchronization resource for transmitting S-SSB; SLSS ID; coverage indication; direct frame number; reserved bits ; SCS of S-SSB; SCS of carrier.
  • the determination module 31 may be configured to determine at least part of the first parameters on each transmission resource according to the first information and the second rule.
  • the second rule includes at least one of the following:
  • the first TDD configuration is determined as the TDD configuration of the SL on each transmission resource; or, according to the TDD configuration of the SL on the first carrier, the first TDD configuration is determined as the TDD configuration of the SL on the first carrier.
  • TDD configuration of the SL on the resource or, determine the TDD configuration of the SL on each transmission resource according to the Uu FDD information corresponding to the first carrier or the Uu TDD information corresponding to the first carrier;
  • the time slot index on each transmission resource is determined based on the first reference SCS; or, the time slot index on each transmission resource is determined based on the time slot index on the first carrier. gap index;
  • the reference synchronization resource is determined as the synchronization resource for transmitting S-SSB on each of the above transmission resources; or, according to the synchronization resource for transmitting S-SSB on the first carrier Synchronization resources, determine the synchronization resources for transmitting S-SSB on each transmission resource;
  • the reference SLSS ID is determined as the SLSS ID on each of the above transmission resources; or, based on the SLSS ID on the first carrier, the SLSS ID on each of the transmission resources is determined;
  • the reference coverage indication is determined as the coverage indication on each transmission resource; or, the coverage indication on the first carrier is determined as each transmission resource. Coverage indication on;
  • the direct frame number on the first carrier as the direct frame number on each of the above-mentioned transmission resources
  • the first parameter includes reserved bits
  • the first parameter includes the first SCS
  • determine the second reference SCS as the first SCS on each transmission resource or determine the first SCS on the first carrier as the first SCS on each transmission resource. The first SCS.
  • the first TDD configuration may include at least one of the following: a reference TDD configuration; a TDD configuration of the SL obtained by converting the reference TDD configuration according to the third rule; the reference TDD configuration may include at least one of the following: The TDD configuration determined by the first UE; the TDD configuration configured by the network; the preconfigured TDD configuration; and the TDD configuration agreed upon by the protocol. And/or, the TDD configuration of the SL on the first carrier is network configured, and/or preconfigured.
  • the first reference SCS may include at least one of the following: a network-configured SCS; a pre-configured SCS; and a protocol-specified SCS.
  • the above reference synchronization resources may include at least one of the following: synchronization resources determined by the first UE; synchronization resources configured by the network; preconfigured synchronization resources; and synchronization resources agreed upon by the protocol.
  • the above reference SLSS ID may include at least one of the following: the SLSS ID determined by the first UE; the SLSS ID configured by the network; the preconfigured SLSS ID; and the SLSS ID agreed upon by the protocol.
  • the above reference coverage indication may include at least one of the following: a coverage indication determined by the first UE; a network configured coverage indication; a preconfigured coverage indication; and a protocol agreed coverage indication.
  • the coverage indication on the first carrier is determined based on the second information, and the second information may include at least one of the following: whether the first UE is within the coverage of the first carrier; the synchronization reference determined by the first UE ; Synchronization reference corresponding to the first carrier; the first UE sends S-SSB synchronization resources on the first carrier.
  • the reference reserved bits may include at least one of the following: reserved bits determined by the first UE; reserved bits configured by the network; preconfigured reserved bits; and reserved bits agreed upon by the protocol. And/or, the reserved bits on the first carrier are configured by the network, and/or are preconfigured.
  • the first SCS may include at least one of the following: SCS of the S-SSB; SCS of the carrier.
  • the second reference SCS may include at least one of the following: SCS determined by the first UE; SCS configured by the network; preconfigured SCS; SCS agreed upon by the protocol.
  • the first SCS on the first carrier is network configured, and/or preconfigured.
  • the second rule may specifically include: determining the TDD configuration of the SL on the first carrier as the TDD configuration of the SL on each transmission resource; or, determining the TDD configuration of the SL on the first carrier. The configuration is converted into the TDD configuration of the SL on each transmission resource according to the fourth rule.
  • the second rule may specifically include: obtaining the Uu TDD configuration corresponding to the first carrier based on the Uu FDD information corresponding to the first carrier or the Uu TDD information corresponding to the first carrier; determining the Uu TDD configuration The TDD configuration of the SL on each of the above transmission resources; or, convert the Uu TDD configuration into the TDD configuration of the SL on each of the transmission resources according to the fifth rule.
  • the second rule may specifically include: determining the time slot index on the first carrier as the time slot index on each of the above transmission resources; or, using the SCS of the first carrier as a reference.
  • the time slot index on the first carrier is converted into a time slot index on each transmission resource with the SCS of each transmission resource as a reference.
  • the second rule may specifically include: determining the synchronization resource for transmitting S-SSB on the first carrier as the synchronization resource for transmitting S-SSB on each of the above transmission resources; or, using The synchronization resources for transmitting S-SSB on the first carrier with the SCS of the first carrier as a reference are converted into synchronization resources for transmitting S-SSB on each transmission resource with the SCS of each transmission resource as a reference; or , determine the first synchronization resource corresponding to the first carrier as the synchronization resource for transmitting S-SSB on each transmission resource.
  • the synchronization resources for transmitting S-SSB on the first carrier are configured by the network and/or preconfigured; the first synchronization resources are different from the synchronization resources for transmitting S-SSB on the first carrier.
  • the second rule may specifically include: determining the SLSS ID on the first carrier as the SLSS ID on each of the above transmission resources; or, comparing the SLSS ID on the first carrier with the first value.
  • the SLSS ID obtained by the addition is determined to be the SLSS ID on each transmission resource.
  • the first value is an integer
  • the SLSS ID on the first carrier includes at least one of the following: fixed SLSS ID; network configured SLSS ID; preconfigured SLSS ID; the same SLSS ID as the SyncRef UE; changing the SLSS ID of the SyncRef UE
  • the SLSS ID obtained by adding the SLSS ID to the first value a randomly determined SLSS ID.
  • the first transmission may also include transmission of second indication information, and the second indication information is used to indicate at least part of the carrier information aligned with the first parameter or the information of the first carrier.
  • the synchronization information sending device can determine the first parameter on each carrier of at least two carriers, and/or can determine at least one parameter determined from at least two carriers.
  • the first parameter on each carrier in one carrier; and/or the first parameter on each BWP in at least one BWP can be determined, and the first parameter can be used by the synchronization information sending device on the corresponding transmission resource.
  • the first transmission can align the content and synchronization resources of S-SSB sent on different carriers, thereby reducing the number of searches for the synchronization information sending device, thus saving power consumption and reducing data caused by half-duplex problems. Transceiver conflict.
  • the synchronization information sending device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip.
  • the electronic device may be a UE or other devices other than the UE.
  • UEs may include but are not limited to the types of UE11 listed above, and other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., which are not specifically limited in the embodiments of this application.
  • the synchronization information sending device provided by the embodiment of the present application can implement each process implemented by the method embodiment in Figure 2 and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • this embodiment of the present application also provides a UE 400, including a processor 401 and a memory 402.
  • the memory 402 stores programs or instructions that can be run on the processor 401.
  • each step of the above-mentioned synchronous information sending method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, they will not be repeated here.
  • Embodiments of the present application also provide a UE, including a processor and a communication interface.
  • the processor is configured to determine a first parameter on each transmission resource in at least one transmission resource; wherein the first parameter is used by the UE in the corresponding transmission
  • the first transmission is performed on the resource;
  • the at least one transmission resource includes at least one of the following: at least two carriers; at least one carrier determined from the at least two carriers; at least one BWP; the first transmission includes: S-SSB transmission.
  • This UE embodiment corresponds to the above-mentioned UE-side method embodiment.
  • Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this UE embodiment, and can achieve the same technical effect.
  • FIG. 5 is a schematic diagram of the hardware structure of a UE that implements an embodiment of the present application.
  • the UE1000 includes but is not limited to: at least one of the radio frequency unit 1001, the network module 1002, the audio output unit 1003, the input unit 1004, the sensor 1005, the display unit 1006, the user input unit 1007, the interface unit 1008, the memory 1009, the processor 1010, etc. Some parts.
  • the UE 1000 may also include a power supply (such as a battery) that supplies power to various components.
  • the power supply may be logically connected to the processor 1010 through a power management system, thereby achieving management of charging, discharging, and power consumption management through the power management system. and other functions.
  • the UE structure shown in Figure 5 does not constitute a limitation on the UE.
  • the UE may include more or less components than shown in the figure, or combine certain components, or arrange different components, which will not be described again here.
  • the input unit 1004 may include a graphics processing unit (Graphics Processing Unit, GPU) 10041 and a microphone 10042.
  • the graphics processor 10041 is responsible for the image capture device (GPU) in the video capture mode or the image capture mode. Process the image data of still pictures or videos obtained by cameras (such as cameras).
  • the display unit 1006 may include a display panel 10061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1007 includes at least one of a touch panel 10071 and other input devices 10072 .
  • Touch panel 10071 also known as touch screen.
  • the touch panel 10071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 10072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.
  • the radio frequency unit 1001 after receiving downlink data from the network side device, can transmit it to the processor 1010 for processing; in addition, the radio frequency unit 1001 can send uplink data to the network side device.
  • the radio frequency unit 1001 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • Memory 1009 may be used to store software programs or instructions as well as various data.
  • the memory 1009 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc.
  • memory 1009 may include volatile memory or nonvolatile memory, or memory 1009 may include both volatile and nonvolatile memory.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory.
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory Synchronous DRAM, SDRAM
  • Double data rate synchronous dynamic random access memory Double Data Rate SDRAM, DDRSDRAM
  • enhanced SDRAM synchronous dynamic random access memory
  • Synch link DRAM synchronous link dynamic random access memory
  • SLDRAM direct memory bus random access memory
  • Direct Rambus RAM Direct Rambus RAM
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1010.
  • the processor 1010 may be used to determine the first parameter on each transmission resource in at least one transmission resource; wherein the first parameter is used by the radio frequency unit 1001 to perform the first transmission on the corresponding transmission resource.
  • At least one transmission resource may include at least one of the following: at least two carriers; at least one carrier determined from the at least two carriers; at least one BWP.
  • the first transmission may include: S-SSB transmission.
  • the processor 1010 may be configured to determine at least part of the first parameters on each of the above transmission resources according to the first information.
  • the first information may include at least one of the following: first carrier; synchronization reference; configured to A small part of the first parameter information; at least part of the preconfigured first parameter information; at least part of the first parameter information specified by the protocol; first indication information; whether the UE is within the coverage of the carrier frequency; whether the UE is within the coverage of the first carrier frequency Within the coverage; whether the carrier is in the carrier list configured by the network; whether the first carrier is in the carrier list configured by the network; whether the transmission resources are selected for multi-carrier transmission; whether the transmission resources have been used for multi-carrier transmission; transmission resources Whether it is selected for SL transmission; whether the transmission resource has been used for SL transmission; Uu's FDD information; Uu's TDD information.
  • the first carrier includes: synchronization carrier, reference carrier or main carrier; synchronization reference includes: GNSS, base station, SyncRef UE or UE internal clock; the first parameter information is used to configure at least part of the first parameters; the first indication information is used to Indicate whether at least part of the first parameters of at least part of the first transmission resources are aligned, and the first transmission resource includes the above-mentioned at least one transmission resource.
  • the processor 1010 may be configured to determine at least part of the first parameters on each of the above transmission resources according to the first information and the first rule.
  • the first rule includes at least one of the following:
  • the first information includes the first carrier
  • the first information includes a synchronization reference
  • the first rule may specifically include: determining at least part of the first parameters on the first carrier as at least part of the first parameters on each of the above transmission resources; or, determining at least part of the first parameters on the first carrier The next level of at least part of the first parameters is determined to be at least part of the first parameters on each transmission resource.
  • the first indication information may include at least one of the following: the network side device indicates whether the current transmission is intra band CA transmission; the network side device indicates whether the current transmission is intra band multi-carrier transmission; the network side device indicates Whether the current transmission is a CA transmission in which at least part of the first parameters are aligned; the network side device indicates whether the current transmission is a multi-carrier transmission in which at least part of the first parameters are aligned; the network side device indicates whether the current transmission of the UE is at least part of the first parameter alignment; the network The side device indicates whether the UE CA transmission is at least partially aligned with the first parameters; the network side device preconfigures at least partial first parameter alignment of all candidate CA carriers; the network side device preconfigures at least partial first parameter alignment of all candidate multi-carriers .
  • the first parameter may include at least one of the following: TDD configuration of SL; time slot index; synchronization resource for transmitting S-SSB; SLSS ID; coverage indication; direct frame number; reserved bits ; SCS of S-SSB; SCS of carrier.
  • the processor 1010 may be configured to determine at least part of the first parameters on each transmission resource according to the first information and the second rule.
  • the second rule includes at least one of the following:
  • the first TDD configuration is determined as the TDD configuration of the SL on each transmission resource; or, according to the TDD configuration of the SL on the first carrier, the first TDD configuration is determined as the TDD configuration of the SL on the first carrier.
  • TDD configuration of the SL on the resource or, determine the TDD configuration of the SL on each transmission resource according to the Uu FDD information corresponding to the first carrier or the Uu TDD information corresponding to the first carrier;
  • the time slot index on each transmission resource is determined based on the first reference SCS; or, the time slot index on each transmission resource is determined based on the time slot index on the first carrier. gap index;
  • the reference synchronization resource is determined as the synchronization resource for transmitting S-SSB on each of the above transmission resources; or, according to the synchronization resource for transmitting S-SSB on the first carrier Synchronization resources, determine the synchronization resources for transmitting S-SSB on each transmission resource;
  • the reference SLSS ID is determined as the SLSS ID on each of the above transmission resources; or, based on the SLSS ID on the first carrier, the SLSS ID on each of the transmission resources is determined;
  • the reference coverage indication is determined as the coverage indication on each transmission resource; or, the coverage indication on the first carrier is determined as each transmission resource. Coverage indication on;
  • the direct frame number on the first carrier as the direct frame number on each of the above-mentioned transmission resources
  • the first parameter includes reserved bits
  • the first parameter includes the first SCS
  • determine the second reference SCS as the first SCS on each transmission resource or determine the first SCS on the first carrier as the first SCS on each transmission resource. The first SCS.
  • the first TDD configuration may include at least one of the following: a reference TDD configuration; a TDD configuration of the SL obtained by converting the reference TDD configuration according to the third rule; the reference TDD configuration may include at least one of the following: The TDD configuration determined by the first UE; the TDD configuration configured by the network; the preconfigured TDD configuration; and the TDD configuration agreed upon by the protocol. And/or, the TDD configuration of the SL on the first carrier is network configured, and/or preconfigured.
  • the first reference SCS may include at least one of the following: a network-configured SCS; a pre-configured SCS; and a protocol-specified SCS.
  • the above reference synchronization resources may include at least one of the following: synchronization resources determined by the first UE; synchronization resources configured by the network; preconfigured synchronization resources; and synchronization resources agreed upon by the protocol.
  • the above reference SLSS ID may include at least one of the following: the SLSS ID determined by the first UE; the SLSS ID configured by the network; the preconfigured SLSS ID; and the SLSS ID agreed upon by the protocol.
  • the above reference coverage indication may include at least one of the following: a coverage indication determined by the first UE; a network configured coverage indication; a preconfigured coverage indication; and a protocol agreed coverage indication.
  • the coverage indication on the first carrier is determined based on the second information, and the second information may include at least one of the following: whether the first UE is within the coverage of the first carrier; the synchronization reference determined by the first UE ; Synchronization reference corresponding to the first carrier; the first UE sends S-SSB synchronization resources on the first carrier.
  • the reference reserved bits may include at least one of the following: reserved bits determined by the first UE; reserved bits configured by the network; preconfigured reserved bits; and reserved bits agreed upon by the protocol. And/or, the reserved bits on the first carrier are configured by the network, and/or are preconfigured.
  • the first SCS may include at least one of the following: SCS of the S-SSB; SCS of the carrier.
  • the second reference SCS may include at least one of the following: SCS determined by the first UE; SCS configured by the network; preconfigured SCS; SCS agreed upon by the protocol.
  • the first SCS on the first carrier is network configured, and/or preconfigured.
  • the second rule may specifically include: determining the TDD configuration of the SL on the first carrier as the TDD configuration of the SL on each transmission resource; or, determining the TDD configuration of the SL on the first carrier. The configuration is converted into the TDD configuration of the SL on each transmission resource according to the fourth rule.
  • the second rule may specifically include: obtaining the Uu TDD configuration corresponding to the first carrier based on the Uu FDD information corresponding to the first carrier or the Uu TDD information corresponding to the first carrier; determining the Uu TDD configuration The TDD configuration of the SL on each of the above transmission resources; or, convert the Uu TDD configuration into the TDD configuration of the SL on each of the transmission resources according to the fifth rule.
  • the second rule may specifically include: determining the time slot index on the first carrier as the time slot index on each of the above transmission resources; or, using the SCS of the first carrier as a reference.
  • the time slot index on the first carrier is converted into a time slot index on each transmission resource with the SCS of each transmission resource as a reference.
  • the second rule may specifically include: determining the synchronization resource for transmitting S-SSB on the first carrier as the synchronization resource for transmitting S-SSB on each of the above transmission resources; or, using The synchronization resources for transmitting S-SSB on the first carrier with the SCS of the first carrier as a reference are converted into synchronization resources for transmitting S-SSB on each transmission resource with the SCS of each transmission resource as a reference; or , determine the first synchronization resource corresponding to the first carrier as the synchronization resource for transmitting S-SSB on each transmission resource.
  • the synchronization resources for transmitting S-SSB on the first carrier are configured by the network and/or preconfigured; the first synchronization resources are different from the synchronization resources for transmitting S-SSB on the first carrier.
  • the second rule may specifically include: determining the SLSS ID on the first carrier as the SLSS ID on each of the above transmission resources; or, comparing the SLSS ID on the first carrier with the first value.
  • the SLSS ID obtained by the addition is determined to be the SLSS ID on each transmission resource.
  • the first value is an integer
  • the SLSS ID on the first carrier includes at least one of the following: fixed SLSS ID; network configured SLSS ID; preconfigured SLSS ID; the same SLSS ID as the SyncRef UE; changing the SLSS ID of the SyncRef UE
  • the SLSS ID obtained by adding the SLSS ID to the first value a randomly determined SLSS ID.
  • the first transmission may also include transmission of second indication information, and the second indication information is used to indicate at least part of the carrier information aligned with the first parameter or the information of the first carrier.
  • the UE can determine the first parameter on each of the at least two carriers, and/or can determine each of the at least one carrier determined from the at least two carriers. and/or the first parameter on each BWP in at least one BWP can be determined, and the first parameter can be used for the UE to perform the first transmission on the corresponding transmission resource, so that different transmission resources can be used.
  • the content and synchronization resources of the S-SSB sent on the carrier are aligned, which can reduce the number of searches for the UE, which can save the power consumption of the UE and reduce data transmission and reception conflicts caused by half-duplex problems.
  • the UE provided by the embodiments of this application can implement each process implemented by the UE in the above method embodiments, and achieve the same technical effect. To avoid duplication, details will not be described here.
  • Embodiments of the present application also provide a readable storage medium.
  • Programs or instructions are stored on the readable storage medium.
  • the program or instructions are executed by a processor, each process of the above synchronous information sending method embodiment is implemented, and can achieve The same technical effect, To avoid repetition, they will not be repeated here.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.
  • An embodiment of the present application further provides a chip.
  • the chip includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the above embodiment of the synchronization information sending method. Each process can achieve the same technical effect. To avoid repetition, we will not go into details here.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Embodiments of the present application further provide a computer program/program product.
  • the computer program/program product is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the above synchronous information sending method.
  • Each process in the example can achieve the same technical effect. To avoid repetition, we will not repeat it here.
  • the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation.
  • the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to the existing technology.
  • the computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

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

Abstract

Sont divulgués un procédé et un appareil d'envoi d'informations de synchronisation, ainsi qu'un UE et un support de stockage lisible, qui appartiennent au domaine technique de la communication. Selon les modes de réalisation de la présente demande, le procédé d'envoi d'informations de synchronisation comprend les étapes suivantes : un premier équipement utilisateur (UE) détermine un premier paramètre sur chaque ressource de transmission parmi au moins une ressource de transmission, le premier paramètre étant utilisé par le premier UE pour effectuer une première transmission sur la ressource de transmission correspondante, la ou les ressources de transmission comprenant au moins l'un des éléments suivants : au moins deux porteuses, au moins une porteuse déterminée parmi les au moins deux porteuses et au moins une partie de bande passante (BWP), et la première transmission comprenant une transmission de bloc de signal de synchronisation de liaison latérale (S-SSB).
PCT/CN2023/088996 2022-04-20 2023-04-18 Procédé et appareil d'envoi d'informations de synchronisation, ue et support de stockage lisible WO2023202577A1 (fr)

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CN202210421024.9A CN116963025A (zh) 2022-04-20 2022-04-20 同步信息发送方法、装置、ue及可读存储介质
CN202210421024.9 2022-04-20

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Citations (3)

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Publication number Priority date Publication date Assignee Title
EP3478005A1 (fr) * 2017-03-24 2019-05-01 LG Electronics Inc. -1- Procédé de transmission d'un signal de synchronisation de liaison latérale dans un système de communication sans fil, et terminal utilisant ce procédé
CN113225165A (zh) * 2020-01-21 2021-08-06 维沃移动通信有限公司 旁链路参考信号处理方法及装置、通信设备
CN113287346A (zh) * 2019-01-10 2021-08-20 三星电子株式会社 用于在无线通信系统中发送同步信号的方法和装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3478005A1 (fr) * 2017-03-24 2019-05-01 LG Electronics Inc. -1- Procédé de transmission d'un signal de synchronisation de liaison latérale dans un système de communication sans fil, et terminal utilisant ce procédé
CN110463291A (zh) * 2017-03-24 2019-11-15 Lg电子株式会社 在无线通信系统中传输侧链路同步信号的方法和使用该方法的终端
CN113287346A (zh) * 2019-01-10 2021-08-20 三星电子株式会社 用于在无线通信系统中发送同步信号的方法和装置
CN113225165A (zh) * 2020-01-21 2021-08-06 维沃移动通信有限公司 旁链路参考信号处理方法及装置、通信设备

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