WO2024045042A1 - Procédé, appareil et dispositif de déclenchement d'interaction de capacité et support de stockage - Google Patents

Procédé, appareil et dispositif de déclenchement d'interaction de capacité et support de stockage Download PDF

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Publication number
WO2024045042A1
WO2024045042A1 PCT/CN2022/116215 CN2022116215W WO2024045042A1 WO 2024045042 A1 WO2024045042 A1 WO 2024045042A1 CN 2022116215 W CN2022116215 W CN 2022116215W WO 2024045042 A1 WO2024045042 A1 WO 2024045042A1
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WO
WIPO (PCT)
Prior art keywords
sending
carrier
terminal
receiving
capabilities
Prior art date
Application number
PCT/CN2022/116215
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English (en)
Chinese (zh)
Inventor
江小威
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/116215 priority Critical patent/WO2024045042A1/fr
Priority to CN202280003178.4A priority patent/CN115669020A/zh
Publication of WO2024045042A1 publication Critical patent/WO2024045042A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data

Definitions

  • the present disclosure relates to the field of communication technology, and in particular, to a capability interaction triggering method/device/equipment and a storage medium.
  • CA Carrier Aggregation
  • the New Radio (NR) sidelink system can support sidelink carrier aggregation technology, and the NR sidelink system also supports unicast transmission, that is, the "transmission" between the sending terminal and the receiving terminal. Point-to-point" transmission method.
  • terminals usually perform an interactive process of carrier sending and/or receiving capabilities, so that the sending and receiving terminals know the carriers of the opposite terminal that support sending and/or receiving, thereby ensuring that only the sending and receiving terminals can Unicast communication can only be performed when the sending and/or receiving carriers are consistent to ensure the stability of unicast communication.
  • the capability interaction triggering method/device/equipment and storage medium proposed by this disclosure are used to trigger the interaction process of carrier transmission and/or reception capabilities in NR sidelink carrier aggregation scenarios.
  • embodiments of the present disclosure provide a capability interaction triggering method, which is executed by a sending terminal and includes:
  • the first preset condition includes at least one of the following:
  • the sending terminal triggers the primary selection of the sending carrier
  • the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier
  • the sending terminal triggers sending carrier reselection
  • the sending terminal triggers sending carrier reselection and completes sending carrier reselection
  • the sending terminal receives the first request signaling sent by the receiving terminal for requesting the carrier sending and/or receiving capabilities of the sending terminal;
  • the scheduled timer has expired.
  • a capability interaction triggering method is provided.
  • the sending terminal determines that the first preset condition is met, the interaction process of the carrier sending and/or receiving capabilities with the receiving terminal will be triggered; wherein, the first The preset conditions include at least one of the following: the sending terminal triggers the primary selection of the sending carrier; the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier; the sending terminal triggers the reselection of the sending carrier; the sending terminal triggers the reselection of the sending carrier.
  • the sending carrier reselection is selected and completed; the sending terminal receives the first request signaling sent by the receiving terminal for requesting the sending terminal's carrier sending and/or receiving capabilities; and the predetermined timer times out.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • the sending terminal in response to the sending terminal triggering the sending carrier primary selection, or the sending terminal triggers the sending carrier primary selection and completes the sending carrier primary selection, or,
  • the sending terminal triggers the sending carrier reselection, or the sending terminal triggers the sending carrier reselection and completes the sending carrier reselection, or the predetermined timer times out, the carrier sending and/or the triggering and receiving terminal or interactive processes to receive capabilities, including:
  • Receive first capability information sent by the receiving terminal where the first capability information is used to indicate that the receiving terminal supports a carrier for sending and/or receiving.
  • the second request signaling carries second capability information
  • the second capability information is used to indicate that the sending terminal supports sending and/or receiving. carrier.
  • the second request signaling requests the carrier transmission and/or reception capabilities of the receiving terminal by carrying predefined parameters.
  • the triggering and The interaction process of carrier transmission and/or reception capabilities between receiving terminals includes:
  • Send second capability information to the receiving terminal where the second capability information is used to indicate that the sending terminal supports a carrier for sending and/or receiving.
  • the first request signaling carries first capability information
  • the first capability information is used to indicate that the receiving terminal supports sending and/or receiving. carrier.
  • the first request signaling requests the carrier sending and/or receiving capabilities of the sending terminal by carrying predefined parameters.
  • the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities, the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal In the interaction process of carrier transmitting and/or receiving capabilities, the receiving terminal newly supports transmitting and/or receiving carriers, and/or the receiving terminal no longer supports transmitting and/or receiving carriers.
  • the second capability information in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, is used to indicate: the current moment is compared with the previous time.
  • the sending terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the second capability information is used to indicate: the current moment is compared with the previous time.
  • the sending terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the second capability information is used to indicate: the current moment is compared with the previous time.
  • the sending terminal In the interaction process of carrier sending and/or receiving capabilities, the sending terminal newly supports sending and/or receiving carriers, and/or the sending terminal no longer supports sending and/or receiving carriers.
  • the method further includes:
  • the predetermined timer is restarted.
  • the method further includes at least one of the following:
  • the sending terminal determines the predetermined timer independently
  • the predetermined timer is determined based on the configuration of the receiving terminal.
  • the method in response to the sending terminal determining the predetermined timer based on a configuration of a network device, or determining the predetermined timer based on a preconfiguration, or the sending terminal Independently determining the predetermined timer, the method further includes:
  • the predetermined timer is configured to the receiving terminal.
  • the predetermined timer is configured separately for different terminals.
  • the predetermined timer is configured separately for different sidelink connections SL Link; or
  • the predetermined timer is configured separately for different DSTs.
  • embodiments of the present disclosure provide a capability interaction triggering method, which is executed by a receiving terminal and includes:
  • the second preset condition includes at least one of the following:
  • the sending and/or receiving carrier of the receiving terminal changes
  • the receiving terminal receives the second request signaling sent by the sending terminal for requesting the carrier sending and/or receiving capabilities of the receiving terminal;
  • the scheduled timer has expired.
  • the interaction process of capabilities includes:
  • Receive second capability information sent by the sending terminal where the second capability information is used to indicate that the sending terminal supports a carrier for sending and/or receiving.
  • the first request signaling carries first capability information
  • the first capability information is used to indicate that the receiving terminal supports sending and/or receiving. carrier.
  • the first request signaling requests the carrier sending and/or receiving capabilities of the sending terminal by carrying predefined parameters.
  • the triggering and The interaction process of carrier transmission and/or reception capabilities between sending terminals includes:
  • the second request signaling carries second capability information
  • the second capability information is used to indicate that the sending terminal supports sending and/or receiving. carrier.
  • the second request signaling requests the carrier transmission and/or reception capabilities of the receiving terminal by carrying predefined parameters.
  • the second capability information in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, is used to indicate: the current moment is compared with the previous time.
  • the sending terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the second capability information is used to indicate: the current moment is compared with the previous time.
  • the sending terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the second capability information is used to indicate: the current moment is compared with the previous time.
  • the sending terminal In the interaction process of carrier sending and/or receiving capabilities, the sending terminal newly supports sending and/or receiving carriers, and/or the sending terminal no longer supports sending and/or receiving carriers.
  • the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities, the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal In the interaction process of carrier transmitting and/or receiving capabilities, the receiving terminal newly supports transmitting and/or receiving carriers, and/or the receiving terminal no longer supports transmitting and/or receiving carriers.
  • the method further includes:
  • the predetermined timer is restarted.
  • the method further includes at least one of the following:
  • the receiving end independently determines the predetermined timer
  • the predetermined timer is determined based on the configuration of the sending terminal.
  • the method in response to the receiving terminal determining the predetermined timer based on a configuration of a network device, or determining the predetermined timer based on a preconfiguration, or the receiving terminal Independently determining the predetermined timer, the method further includes:
  • the predetermined timer is configured separately for different terminals.
  • the predetermined timer is configured separately for different SL Links; or
  • the predetermined timer is configured separately for different DSTs.
  • an embodiment of the present disclosure provides a communication device, which is configured in a sending terminal and includes:
  • a processing module configured to trigger an interaction process of carrier transmission and/or reception capabilities with the receiving terminal in response to satisfying the first preset condition
  • the first preset condition includes at least one of the following:
  • the sending terminal triggers the primary selection of the sending carrier
  • the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier
  • the sending terminal triggers sending carrier reselection
  • the sending terminal triggers sending carrier reselection and completes sending carrier reselection
  • the sending terminal receives the first request signaling sent by the receiving terminal for requesting the carrier sending and/or receiving capabilities of the sending terminal;
  • the scheduled timer has expired.
  • an embodiment of the present disclosure provides a communication device, which is configured at a receiving terminal and includes:
  • a processing module configured to trigger an interaction process of carrier transmission and/or reception capabilities with the sending terminal in response to satisfying the second preset condition
  • the second preset condition includes at least one of the following:
  • the sending and/or receiving carrier of the receiving terminal changes
  • the receiving terminal receives the second request signaling sent by the sending terminal for requesting the receiving terminal's carrier transmission and/or reception capabilities;
  • the scheduled timer has expired.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the first aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the second aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the first aspect above.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause the The device performs the method described in the first aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause the The device performs the method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication system, which includes the communication device described in the third aspect to the communication device described in the fourth aspect, or the system includes the communication device described in the fifth aspect to The communication device according to the sixth aspect, or the system includes the communication device according to the seventh aspect to the communication device according to the eighth aspect, or the system includes the communication device according to the ninth aspect to the tenth aspect. the above-mentioned communication device.
  • embodiments of the present invention provide a computer-readable storage medium for storing instructions used by the above-mentioned network device.
  • the terminal device When the instructions are executed, the terminal device is caused to perform the above-mentioned first aspect to the second aspect.
  • the present disclosure also provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in any one of the above first to second aspects.
  • the present disclosure provides a chip system that includes at least one processor and an interface for supporting a network device to implement the functions involved in the method described in any one of the first to second aspects, For example, at least one of the data and information involved in the above method is determined or processed.
  • the chip system further includes a memory, and the memory is used to store necessary computer programs and data of the source secondary node.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the present disclosure provides a computer program that, when run on a computer, causes the computer to perform the method described in any one of the above first to second aspects.
  • Figure 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure
  • Figure 2 is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure
  • Figure 3 is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 4 is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 5 is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 6a is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 6b is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 7 is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 8 is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 9 is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 10 is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 11a is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 11b is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 11c is a schematic flowchart of a capability interaction triggering method provided by yet another embodiment of the present disclosure.
  • Figure 11d is a schematic interaction flow diagram of a capability interaction method triggered based on the method of the present disclosure provided by an embodiment of the present disclosure
  • Figure 11e is a schematic interaction flow diagram of a capability interaction method triggered based on the method of the present disclosure provided by an embodiment of the present disclosure
  • Figure 12 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure.
  • Figure 13 is a schematic structural diagram of a communication device provided by another embodiment of the present disclosure.
  • Figure 14 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a chip provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • Sidelink communication is divided into two modes, one is called discovery between terminal devices (dicovery), and the other is called communication between terminal devices.
  • Sidelink uses uplink resources and uplink physical channels similar to cellular networks (LTE) for data interactive transmission.
  • LTE cellular networks
  • CA Carrier Aggregation
  • Component Carrier CC
  • Terminal devices can determine up to several carriers for uplink and downlink transmission at the same time based on their capabilities.
  • FIG. 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure.
  • the communication system may include but is not limited to one network device and one terminal device.
  • the number and form of devices shown in Figure 1 are only for examples and do not constitute a limitation on the embodiments of the present disclosure. In actual applications, two or more devices may be included.
  • the communication system shown in Figure 1 includes a sending terminal 11 and a receiving terminal 12 as an example.
  • LTE long term evolution
  • 5th generation fifth generation
  • 5G new radio (NR) system 5th generation new radio
  • the sending terminal 11 and the receiving terminal 12 are entities on the user side that are used to receive or transmit signals, such as a mobile phone.
  • Terminal equipment can also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal equipment (mobile terminal, MT), etc.
  • the terminal device can be a car with communication functions, a smart car, a mobile phone, a wearable device, a tablet computer (Pad), a computer with wireless transceiver functions, a virtual reality (VR) terminal device, an augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical surgery, smart grid ( Wireless terminal equipment in smart grid, wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, wireless terminal equipment in smart home, etc.
  • the embodiments of the present disclosure do not limit the specific technology and specific equipment form used by the terminal equipment.
  • FIG. 2 is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a sending terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 201 In response to satisfying the first preset condition, trigger an interaction process of carrier transmission and/or reception capabilities with the receiving terminal.
  • the method of the embodiment of the present disclosure can be applied in the NR sidelink carrier aggregation scenario, and in one embodiment of the present disclosure, the sending terminal and the receiving terminal can communicate through a side link (Sidelink).
  • Sidelink Side link
  • the above-mentioned interaction process of carrier sending and/or receiving capabilities is specifically: the sending terminal and the receiving terminal interact with each other on the sending and/or receiving carriers they support, so that the sending terminal Both the sending terminal and the receiving terminal can know the opposite end's carrier that supports sending and/or receiving, and combine it with the local end's carrier that supports sending and/or receiving to determine whether unicast communication can be supported between the sending terminal and the receiving terminal (wherein, when the sending terminal The carrier supported by the sending terminal is consistent with the carrier supported by the receiving terminal, and/or, when the carrier supported by the sending terminal and the carrier supported by the receiving terminal are consistent, it is determined that unicast communication can be supported, otherwise it is determined that unicast communication is not supported), and , when it is determined that unicast communication is supported, unicast communication is performed; when it is determined that unicast communication is not supported, the connection between the receiving terminal and the sending terminal is released to ensure the stability of unicast communication.
  • the above-mentioned first preset condition may include at least one of the following:
  • the sending terminal triggered the sending carrier primary selection
  • the sending terminal triggered the sending carrier primary selection and completed the sending carrier primary selection
  • the sending terminal triggers sending carrier reselection
  • the sending terminal triggers the sending carrier reselection and completes the sending carrier reselection
  • the sending terminal receives the first request signaling sent by the receiving terminal for requesting the carrier sending and/or receiving capabilities of the sending terminal;
  • the scheduled timer has expired.
  • the sending terminal when the sending terminal triggers the sending carrier primary selection or the sending carrier reselection, or when the sending terminal completes the sending carrier primary selection or the sending carrier reselection, it means that the sending terminal The carrier will change, or has changed, which will cause the carrier transmission and/or reception capabilities of the sending terminal to also change. In this case, it is necessary to trigger carrier transmission and/or reception between the sending terminal and the receiving terminal. Interaction process of capabilities, so that both the sending terminal and the receiving terminal can know the latest carrier of the other end that supports sending and/or receiving, thereby ensuring the accuracy of subsequent judgments on whether unicast communication can be supported between the sending terminal and the receiving terminal.
  • the sending terminal when the sending terminal receives the first request signaling sent by the receiving terminal for requesting the carrier sending and/or receiving capabilities of the sending terminal, then the sending and/or receiving capabilities of the receiving terminal are explained. Or the receiving carrier has changed. Similarly, the interaction process of the carrier sending and/or receiving capabilities between the sending terminal and the receiving terminal should also be triggered, so that both the sending terminal and the receiving terminal can know the latest supported sending and/or receiving capabilities of the other end. Or the received carrier, thereby ensuring the accuracy of subsequent judgments on whether unicast communication can be supported between the sending terminal and the receiving terminal.
  • the above-mentioned first request signaling may be UECapabilityEnquirySidelink signaling, and the first request signaling may request carrier transmission and/or reception of the sending terminal by carrying predefined parameters. ability.
  • the first request signaling carries the predefined parameter, it means that the first request signaling is used to request the carrier sending and/or receiving capabilities of the sending terminal.
  • the first request signaling please refer to the description of subsequent embodiments.
  • the above-mentioned predetermined timer is a timer specifically used to trigger an interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the predetermined timer can be started when the interaction process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal is triggered last time, and when the predetermined timer times out, it is determined that the sending needs to be triggered again.
  • the interaction process of the carrier transmission and/or reception capabilities between the terminal and the receiving terminal, that is, the triggering period of the interaction process of the carrier transmission and/or reception capabilities is the timing length of the predetermined timer.
  • the method for the sending terminal to determine the above-mentioned predetermined timer may include any of the following:
  • the predetermined timer is determined based on the configuration of the network device; which may be based on the Radio Resource Control (Radio Resource Control, RRC) message (such as a dedicated RRC message) and/or the System Information Block (System Information Blocks, SIB) message sent by the network device. to determine the scheduled timer;
  • RRC Radio Resource Control
  • SIB System Information Blocks
  • the sending terminal determines the scheduled timer independently
  • the predetermined timer is determined based on the configuration of the receiving terminal.
  • the predetermined timer may be configured separately for different terminals (that is, different terminals are configured with different predetermined timers); or the predetermined timer may be configured for different sidelink connections.
  • SL Link are configured separately (that is, different SL Links are configured with different scheduled timers); or, the scheduled timers can be configured separately for different DSTs (Destination targets).
  • the predetermined timer when the predetermined timer is determined by the sending terminal based on the configuration of the network device, or determined based on the preconfiguration, or determined autonomously, then the predetermined timer The sending terminal will also configure the predetermined timer to the receiving terminal (for example, the sending terminal can configure the predetermined timer to the receiving terminal through PC5-RRC signaling), so that the receiving terminal side can also trigger carrier transmission based on the predetermined timer. and/or interactive processes to receive capabilities.
  • the sending terminal determines that the first preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the receiving terminal will be triggered;
  • the first preset condition includes at least one of the following: the sending terminal triggers the primary selection of the sending carrier; the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier; the sending terminal triggers the reselection of the sending carrier; the sending terminal The sending carrier reselection is triggered and completed; the sending terminal receives the first request signaling sent by the receiving terminal for requesting the sending terminal's carrier sending and/or receiving capabilities; and the predetermined timer times out.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • FIG 3 is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a sending terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 301 In response to the sending terminal triggering the primary selection of the sending carrier, or the sending terminal triggering the primary selection of the sending carrier and completing the primary selection of the sending carrier, or the sending terminal triggering the reselection of the sending carrier, or the sending terminal triggering the sending Carrier reselection and transmission carrier reselection is completed, or the predetermined timer times out, and a second request signaling is sent to the receiving terminal.
  • the second request signaling is used to request the receiving terminal's carrier sending and/or receiving capabilities.
  • the sending terminal when the sending terminal triggers the sending carrier preliminary selection, or the sending terminal triggers the sending carrier preliminary selection and completes the sending carrier preliminary selection, or the sending terminal triggers the sending carrier reselection , or the sending terminal triggers the sending carrier reselection and completes the sending carrier reselection, or when the predetermined timer times out, the sending terminal actively triggers the interactive process of carrier sending and/or receiving capabilities. At this time, the sending terminal will actively send a second request signaling to the receiving terminal to request the receiving terminal's carrier transmission and/or reception capabilities.
  • the second request signaling may be UECapabilityEnquirySidelink signaling, and the second request signaling may request the receiving terminal's carrier transmission and/or reception capabilities by carrying predefined parameters.
  • the second request signaling carries the predefined parameter, it means that the second request signaling is used to request the carrier sending and/or receiving capabilities of the receiving terminal.
  • the second request signaling may also optionally carry second capability information.
  • the second capability information is used to indicate that the sending terminal supports sending and/or receiving. carrier wave.
  • the second capability information may be carried in ue-CapabilityInformationSidelink signaling in UECapabilityEnquirySidelink signaling.
  • the second request signaling may not carry the above-mentioned second capability information.
  • the second capability information is specifically used to indicate: in the current interaction process compared with the last carrier sending and/or receiving capabilities, the sending terminal newly supports sending and/or receiving carriers, and/or, sending Transmit and/or receive carriers that are no longer supported by the terminal.
  • the second capability information may include an add list and/or a remove list, wherein the add list indicates that the sending terminal newly supports the current time compared to the last interactive process of carrier sending and/or receiving capabilities.
  • the removal list indicates that there are sending and/or receiving carriers that are no longer supported by the sending terminal compared to the previous interaction process of the carrier sending and/or receiving capabilities at the current moment.
  • the carrier sending and/or receiving capabilities sent by the sending terminal in the last interaction process of carrier sending and/or receiving capabilities are:
  • the sending terminal supports transmission on carrier #1 and carrier #2, and supports reception on carrier #3.
  • the sending terminal supports sending on carrier #2 and carrier #4, and supports sending on carrier #3 and carrier 5.
  • the second capability information sent by the sending terminal to the receiving terminal may only include the following content: the sending terminal newly supports sending on carrier #4 and no longer supports sending on carrier #1; and, the sending terminal newly supports sending on carrier #1. Received on carrier #5.
  • the receiving terminal can determine the carrier sending and/or receiving capabilities of the sending terminal at the current moment by combining the carrier sending and/or receiving capabilities reported last time by the sending terminal and the carrier sending and/or receiving capabilities reported by the sending terminal this time.
  • Step 302 Receive the first capability information sent by the receiving terminal.
  • the first capability information is used to indicate that the receiving terminal supports the carrier for sending and/or receiving.
  • the first capability information may be sent by the receiving terminal to the sending terminal through UECapabilityInformationSidelink signaling.
  • the first capability information in response to an interaction process that triggers the overcarrier transmission and/or reception capability before the current time, may be used to indicate: the current time is phased out.
  • the receiving terminal Compared with the previous interaction process of carrier sending and/or receiving capabilities, the receiving terminal newly supports sending and/or receiving carriers, and/or the receiving terminal no longer supports sending and/or receiving carriers.
  • the first capability information may include an add list and/or a remove list, where the add list indicates that the receiving terminal has new capabilities at the current moment compared to the last interaction process of the carrier sending and/or receiving capabilities.
  • the removal list indicates sending and/or receiving carriers that are no longer supported by the receiving terminal compared to the previous interaction process of the carrier sending and/or receiving capabilities at the current moment.
  • the sending terminal determines that the first preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the receiving terminal will be triggered;
  • the first preset condition includes at least one of the following: the sending terminal triggers the primary selection of the sending carrier; the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier; the sending terminal triggers the reselection of the sending carrier; the sending terminal The sending carrier reselection is triggered and completed; the sending terminal receives the first request signaling sent by the receiving terminal for requesting the sending terminal's carrier sending and/or receiving capabilities; and the predetermined timer times out.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • FIG. 4 is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a sending terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 401 In response to the sending terminal receiving the first request signaling sent by the receiving terminal for requesting the carrier sending and/or receiving capabilities of the sending terminal, the sending terminal sends second capability information to the receiving terminal, where the second capability information is used to indicate:
  • the sending terminal supports the carriers for sending and/or receiving.
  • the sending terminal when the sending terminal receives the first request signaling sent by the receiving terminal, it means that the receiving terminal actively triggers the interaction process of the carrier sending and/or receiving capabilities. At this time, The sending terminal should send the second capability information to the receiving terminal to inform the receiving terminal of the carrier of the sending terminal that supports sending and/or receiving.
  • the second capability information may be sent by the sending terminal to the receiving terminal through UECapabilityInformationSidelink signaling.
  • the first request signaling may be UECapabilityEnquirySidelink signaling, and the first request signaling may request the carrier sending and/or receiving capabilities of the sending terminal by carrying predefined parameters.
  • the first request signaling carries the predefined parameter, it means that the first request signaling is used to request the carrier sending and/or receiving capabilities of the sending terminal.
  • the first request signaling may also optionally carry first capability information, wherein the first capability information may be carried in the ue- CapabilityInformationSidelink signaling.
  • the first request signaling may not carry the above-mentioned first capability information.
  • the sending terminal determines that the first preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the receiving terminal will be triggered;
  • the first preset condition includes at least one of the following: the sending terminal triggers the primary selection of the sending carrier; the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier; the sending terminal triggers the reselection of the sending carrier; the sending terminal The sending carrier reselection is triggered and completed; the sending terminal receives the first request signaling sent by the receiving terminal for requesting the sending terminal's carrier sending and/or receiving capabilities; and the predetermined timer times out.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • FIG. 5 is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a sending terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 501 When the interaction process of carrier transmission and/or reception capabilities with the receiving terminal is triggered, restart the predetermined timer.
  • any first preset condition triggers the interaction process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal
  • the communication process can be restarted (or started). Schedule timer.
  • the sending terminal determines that the first preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the receiving terminal will be triggered;
  • the first preset condition includes at least one of the following: the sending terminal triggers the primary selection of the sending carrier; the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier; the sending terminal triggers the reselection of the sending carrier; the sending terminal The sending carrier reselection is triggered and completed; the sending terminal receives the first request signaling sent by the receiving terminal for requesting the sending terminal's carrier sending and/or receiving capabilities; and the predetermined timer times out.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • Figure 6a is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a sending terminal. As shown in Figure 6a, the capability interaction triggering method may include the following steps:
  • Step 601a In response to the sending terminal determining the predetermined timer based on the configuration of the network device, or determining the predetermined timer based on the preconfiguration, or the sending terminal independently determining the predetermined timer, configure the predetermined timer to the receiving terminal.
  • the sending terminal determines that the first preset condition is met, the interaction process of the carrier sending and/or receiving capabilities with the receiving terminal will be triggered;
  • the first preset condition includes at least one of the following: the sending terminal triggers the primary selection of the sending carrier; the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier; the sending terminal triggers the reselection of the sending carrier; the sending terminal The sending carrier reselection is triggered and completed; the sending terminal receives the first request signaling sent by the receiving terminal for requesting the sending terminal's carrier sending and/or receiving capabilities; and the predetermined timer times out.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • Figure 6b is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a sending terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 601b Determine a predetermined timer based on the configuration of the receiving terminal.
  • the sending terminal determines that the first preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the receiving terminal will be triggered;
  • the first preset condition includes at least one of the following: the sending terminal triggers the primary selection of the sending carrier; the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier; the sending terminal triggers the reselection of the sending carrier; the sending terminal The sending carrier reselection is triggered and completed; the sending terminal receives the first request signaling sent by the receiving terminal for requesting the sending terminal's carrier sending and/or receiving capabilities; and the predetermined timer times out.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • Figure 7 is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a receiving terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 701 In response to satisfying the second preset condition, trigger an interaction process of carrier transmission and/or reception capabilities with the sending terminal.
  • the second preset condition may include at least one of the following:
  • the receiving terminal s transmitting and/or receiving carrier changes
  • the receiving terminal receives the second request signaling sent by the sending terminal for requesting the receiving terminal's carrier transmission and/or reception capabilities;
  • the scheduled timer has expired.
  • the carrier sending and/or receiving capabilities of the sending terminal when the sending and/or receiving carrier of the receiving terminal changes, the carrier sending and/or receiving capabilities of the sending terminal will also change. At this time, the sending terminal needs to be triggered.
  • the interaction process of the carrier sending and/or receiving capabilities with the receiving terminal so that both the sending terminal and the receiving terminal can know the latest carrier of the other end that supports sending and/or receiving, thereby ensuring the subsequent communication between the sending terminal and the receiving terminal. Accuracy of determining whether unicast communication can be supported.
  • the above “transmitting carrier of the receiving terminal changes” may be, for example, because the receiving terminal triggers the preliminary selection of the transmitting carrier, or triggers the preliminary selection of the transmitting carrier and completes the preliminary selection of the transmitting carrier, or triggers the preliminary selection of the transmitting carrier. Transmit carrier reselection, or the change of the transmit carrier caused by triggering the transmit carrier reselection and completing the transmit carrier reselection. And, the above-mentioned “receiving carrier changes” may be, for example: the receiving terminal changes the receiving carrier due to changes in its own capabilities.
  • the receiving terminal when the receiving terminal receives the second request signaling sent by the sending terminal for requesting the receiving terminal's carrier transmission and/or receiving capabilities, it means that the sending terminal's carrier transmission occurs.
  • the interaction process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal should also be triggered, so that both the sending terminal and the receiving terminal can know the latest carrier of the other end that supports sending and/or receiving. , thereby ensuring the accuracy of the subsequent judgment on whether unicast communication can be supported between the sending terminal and the receiving terminal.
  • the second request signaling please refer to the description of the above embodiment.
  • the above-mentioned predetermined timer is a timer specifically used to trigger an interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the predetermined timer can be started when the interaction process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal is triggered last time, and when the predetermined timer times out, it is determined that the sending needs to be triggered again.
  • the interaction process of the carrier transmission and/or reception capabilities between the terminal and the receiving terminal, that is, the triggering period of the interaction process of the carrier transmission and/or reception capabilities is the timing length of the predetermined timer.
  • the method for the receiving terminal to determine the above-mentioned predetermined timer may include any of the following:
  • the predetermined timer may be determined based on the configuration of the network device; wherein, the predetermined timer may be determined based on the RRC message (dedicated RRC message) and/or the SIB message sent by the network device;
  • the receiving terminal independently determines the scheduled timer
  • the predetermined timer is determined based on the configuration of the sending terminal.
  • the predetermined timer may be configured separately for different terminals (that is, different terminals are configured with different predetermined timers); or the predetermined timer may be configured for different sidelink connections.
  • SL Link are configured separately (that is, different SL Links are configured with different scheduled timers); or, the scheduled timers can be configured separately for different DSTs (Destination targets).
  • the receiving terminal when the predetermined timer is determined by the receiving terminal based on the configuration of the network device, or is determined based on a preconfiguration, or is determined independently by the receiving terminal, Then the receiving terminal will also configure the predetermined timer to the sending terminal (for example, the receiving terminal can configure the predetermined timer to the sending terminal through PC5-RRC signaling), so that the sending terminal side can also trigger based on the predetermined timer.
  • the predetermined timer when the predetermined timer is determined by the receiving terminal based on the configuration of the network device, or is determined based on a preconfiguration, or is determined independently by the receiving terminal, Then the receiving terminal will also configure the predetermined timer to the sending terminal (for example, the receiving terminal can configure the predetermined timer to the sending terminal through PC5-RRC signaling), so that the sending terminal side can also trigger based on the predetermined timer.
  • Interactive flow of carrier transmit and/or receive capabilities.
  • the interaction process of carrier transmission and/or reception capabilities with the sending terminal when the receiving terminal determines that the second preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the sending terminal will be triggered;
  • the second preset condition includes at least one of the following: the receiving terminal's sending and/or receiving carrier changes; the receiving terminal receives the second message sent by the sending terminal for requesting the receiving terminal's carrier sending and/or receiving capabilities. Request signaling; scheduled timer expires.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • FIG 8 is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a receiving terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 801 In response to a change in the sending and/or receiving carrier of the receiving terminal, or when a predetermined timer times out, send a first request signaling to the sending terminal.
  • the first request signaling is used to request the sending terminal to send and/or receive a carrier. Receiving ability.
  • the receiving terminal when the sending and/or receiving carrier of the receiving terminal changes, or when the predetermined timer times out, the receiving terminal will actively trigger the interaction process of the carrier sending and/or receiving capabilities. At this time, the receiving terminal will actively send the first request signaling to the sending terminal to request the receiving terminal's carrier transmission and/or reception capabilities.
  • Step 802 Receive the second capability information sent by the sending terminal.
  • the second capability information is used to indicate that the sending terminal supports the carrier for sending and/or receiving.
  • steps 801-802 please refer to the above embodiment description.
  • the interaction process of carrier transmission and/or reception capabilities with the sending terminal when the receiving terminal determines that the second preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the sending terminal will be triggered;
  • the second preset condition includes at least one of the following: the receiving terminal's sending and/or receiving carrier changes; the receiving terminal receives the second message sent by the sending terminal for requesting the receiving terminal's carrier sending and/or receiving capabilities. Request signaling; scheduled timer expires.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • Figure 9 is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a receiving terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 901 In response to the receiving terminal receiving the second request signaling sent by the sending terminal for requesting the receiving terminal's carrier transmission and/or receiving capabilities, the receiving terminal sends first capability information to the sending terminal, where the first capability information is used to indicate: The receiving terminal supports the carriers for transmission and/or reception.
  • the receiving terminal when the receiving terminal receives the second request signaling sent by the sending terminal, it means that the sending terminal actively triggers the interaction process of the carrier sending and/or receiving capabilities. At this time, The receiving terminal should send the first capability information to the sending terminal to inform the sending terminal of the carrier of the receiving terminal that supports sending and/or receiving.
  • step 901 please refer to the above embodiment description.
  • the interaction process of carrier transmission and/or reception capabilities with the sending terminal when the receiving terminal determines that the second preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the sending terminal will be triggered;
  • the second preset condition includes at least one of the following: the receiving terminal's sending and/or receiving carrier changes; the receiving terminal receives the second message sent by the sending terminal for requesting the receiving terminal's carrier sending and/or receiving capabilities. Request signaling; scheduled timer expires.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • FIG 10 is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a receiving terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 1001 When the interaction process of carrier transmission and/or reception capabilities with the sending terminal is triggered, restart the predetermined timer.
  • the interaction process of carrier transmission and/or reception capabilities with the sending terminal when the receiving terminal determines that the second preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the sending terminal will be triggered;
  • the second preset condition includes at least one of the following: the receiving terminal's sending and/or receiving carrier changes; the receiving terminal receives the second message sent by the sending terminal for requesting the receiving terminal's carrier sending and/or receiving capabilities. Request signaling; scheduled timer expires.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • Figure 11a is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a receiving terminal. As shown in Figure 11a, the capability interaction triggering method may include the following steps:
  • Step 1101a In response to the receiving terminal determining the predetermined timer based on the configuration of the network device, or determining the predetermined timer based on the preconfiguration, or the receiving end independently determining the predetermined timer, configure the predetermined timer to the sending terminal.
  • the interaction process of carrier transmission and/or reception capabilities with the sending terminal when the receiving terminal determines that the second preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the sending terminal will be triggered;
  • the second preset condition includes at least one of the following: the receiving terminal's sending and/or receiving carrier changes; the receiving terminal receives the second message sent by the sending terminal for requesting the receiving terminal's carrier sending and/or receiving capabilities. Request signaling; scheduled timer expires.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • Figure 11b is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to a receiving terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 1101b Determine a predetermined timer based on the configuration of the sending terminal.
  • the interaction process of carrier transmission and/or reception capabilities with the sending terminal when the receiving terminal determines that the second preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the sending terminal will be triggered;
  • the second preset condition includes at least one of the following: the receiving terminal's sending and/or receiving carrier changes; the receiving terminal receives the second message sent by the sending terminal for requesting the receiving terminal's carrier sending and/or receiving capabilities. Request signaling; scheduled timer expires.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • Figure 11c is a schematic flowchart of a capability interaction triggering method provided by an embodiment of the present disclosure, which is applied to any Sidelink communication terminal.
  • the capability interaction triggering method may include the following steps:
  • Step 1101c In response to meeting specific conditions, trigger the interaction process of carrier transmission and/or reception capabilities with other terminals.
  • the other terminal and the terminal executing the method of Figure 11b can communicate through a side link.
  • the above-mentioned specific conditions may include at least one of the following:
  • the terminal triggers the primary selection of the transmission carrier
  • the terminal triggered the primary selection of the transmission carrier and completed the primary selection of the transmission carrier;
  • the terminal triggers transmission carrier reselection
  • the terminal triggers transmission carrier reselection and completes transmission carrier reselection
  • the receiving carrier of the terminal changes
  • the terminal receives a third request signaling sent by another terminal to request the terminal's carrier transmission and/or reception capabilities;
  • the scheduled timer has expired.
  • the Sidelink communication terminal may have the need to send information to other terminals by sending carrier waves, and at the same time, there may be the need to receive information from other terminals by receiving carrier waves. Therefore, in this embodiment, The Sidelink communication terminal has a triggering mode for capability interaction between the sending terminal and the receiving terminal (it can be understood that the Sidelink communication terminal in this embodiment has a triggering mode for capability interaction between the sending terminal and the receiving terminal does not mean that the sending/receiving terminal in other embodiments has a triggering mode for capability interaction).
  • the receiving terminal only has its own capability interactive triggering method, and this application does not limit this).
  • the interaction process of carrier transmission and/or reception capabilities with other terminals will be triggered;
  • the specific condition includes at least one of the following: the terminal triggers the primary selection of the transmission carrier; the terminal triggers the primary selection of the transmission carrier and completes the primary selection of the transmission carrier; the terminal triggers the reselection of the transmission carrier; The terminal triggers the transmitting carrier reselection and completes the transmitting carrier reselection; the receiving carrier of the terminal changes; the terminal receives a third request sent by other terminals to request the terminal's carrier transmitting and/or receiving capabilities. Signaling; scheduled timer expires.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between terminals (such as between two terminals connected through a side link), thereby ensuring the carrier transmission and/or reception capabilities between terminals.
  • the interactive process of transmitting and/or receiving capabilities can be executed smoothly at the appropriate moment, which solves the technical problem of unclear trigger conditions for the interactive process of transmitting and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • Figure 11d is a schematic interaction flow diagram of a capability interaction method triggered based on the method of the present disclosure provided by an embodiment of the present disclosure. As shown in Figure 11d, the capability interaction triggering method may include the following steps:
  • Step 1101d The sending terminal sends a second request signaling to the receiving terminal.
  • the second request signaling is used to request the receiving terminal's carrier sending and/or receiving capabilities.
  • Step 1102d The receiving terminal receives the second request signaling, and sends first capability information to the sending terminal.
  • the first capability information is used to indicate that the receiving terminal supports the carrier for sending and/or receiving.
  • the sending terminal can request the first capability information of the receiving terminal by sending the second request signaling to the receiving terminal, thereby realizing the communication between the sending terminal and the receiving terminal. Interaction process of carrier transmission and/or reception capabilities between carriers, so that the sending terminal can subsequently determine whether unicast communication can be supported between the sending terminal and the receiving terminal based on the first capability information, thereby ensuring the stability of unicast communication.
  • Figure 11e is a schematic interaction flow diagram of a capability interaction method triggered based on the method of the present disclosure provided by an embodiment of the present disclosure. As shown in Figure 11e, the capability interaction triggering method may include the following steps:
  • Step 1101e The sending terminal receives the first request signaling sent by the receiving terminal for requesting the carrier sending and/or receiving capabilities of the sending terminal.
  • Step 1102e The sending terminal sends second capability information to the receiving terminal.
  • the second capability information is used to indicate that the sending terminal supports the carrier for sending and/or receiving.
  • the receiving terminal can request the second capability information of the sending terminal by sending the first request signaling to the sending terminal, thereby realizing the communication between the sending terminal and the receiving terminal.
  • Figure 12 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure. As shown in Figure 16, the device may include:
  • a processing module configured to trigger an interaction process of carrier transmission and/or reception capabilities with the receiving terminal in response to satisfying the first preset condition
  • the first preset condition includes at least one of the following:
  • the sending terminal triggers the primary selection of the sending carrier
  • the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier
  • the sending terminal triggers sending carrier reselection
  • the sending terminal triggers sending carrier reselection and completes sending carrier reselection
  • the sending terminal receives the first request signaling sent by the receiving terminal for requesting the carrier sending and/or receiving capabilities of the sending terminal;
  • the scheduled timer has expired.
  • the sending terminal when the sending terminal determines that the first preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the receiving terminal will be triggered; wherein , the first preset condition includes at least one of the following: the sending terminal triggers the primary selection of the sending carrier; the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier; the sending terminal triggers the reselection of the sending carrier; the sending terminal triggers Transmitting carrier reselection is performed and completed; the transmitting terminal receives the first request signaling sent by the receiving terminal for requesting the carrier transmitting and/or receiving capabilities of the transmitting terminal; and the predetermined timer times out.
  • the first preset condition includes at least one of the following: the sending terminal triggers the primary selection of the sending carrier; the sending terminal triggers the primary selection of the sending carrier and completes the primary selection of the sending carrier; the sending terminal triggers the reselection of the sending carrier; the sending terminal triggers Transmitting carrier reselection is performed and completed
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • the processing module in response to the sending terminal triggering the sending carrier primary selection, or the sending terminal triggers the sending carrier primary selection and completes the sending carrier primary selection, or,
  • the sending terminal triggers the sending carrier reselection, or the sending terminal triggers the sending carrier reselection and completes the sending carrier reselection, or the predetermined timer times out, the processing module is also used to:
  • Receive first capability information sent by the receiving terminal where the first capability information is used to indicate that the receiving terminal supports a carrier for sending and/or receiving.
  • the second request signaling carries second capability information
  • the second capability information is used to indicate that the sending terminal supports sending and/or receiving. carrier.
  • the second request signaling requests the carrier transmission and/or reception capabilities of the receiving terminal by carrying predefined parameters.
  • the processing module in response to the sending terminal receiving the first request signaling sent by the receiving terminal for requesting the carrier sending and/or receiving capabilities of the sending terminal, the processing module Also used for:
  • Send second capability information to the receiving terminal where the second capability information is used to indicate that the sending terminal supports a carrier for sending and/or receiving.
  • the first request signaling carries first capability information
  • the first capability information is used to indicate that the receiving terminal supports sending and/or receiving. carrier.
  • the first request signaling requests the carrier sending and/or receiving capabilities of the sending terminal by carrying predefined parameters.
  • the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities, the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal In the interaction process of carrier transmitting and/or receiving capabilities, the receiving terminal newly supports transmitting and/or receiving carriers, and/or the receiving terminal no longer supports transmitting and/or receiving carriers.
  • the second capability information in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, is used to indicate: the current moment is compared with the previous time.
  • the sending terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the second capability information is used to indicate: the current moment is compared with the previous time.
  • the sending terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the second capability information is used to indicate: the current moment is compared with the previous time.
  • the sending terminal In the interaction process of carrier sending and/or receiving capabilities, the sending terminal newly supports sending and/or receiving carriers, and/or the sending terminal no longer supports sending and/or receiving carriers.
  • the device is also used for:
  • the predetermined timer is restarted.
  • the device is also used for at least one of the following:
  • the sending terminal determines the predetermined timer independently
  • the predetermined timer is determined based on the configuration of the receiving terminal.
  • the device in response to the sending terminal determining the predetermined timer based on a configuration of a network device, or determining the predetermined timer based on a preconfiguration, or the sending terminal To independently determine the predetermined timer, the device is also used to:
  • the predetermined timer is configured to the receiving terminal.
  • the predetermined timer is configured separately for different terminals.
  • the predetermined timer is configured separately for different sidelink connections SL Link; or
  • the predetermined timer is configured separately for different DSTs.
  • Figure 13 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure. As shown in Figure 13, the device may include:
  • a processing module configured to trigger an interaction process of carrier transmission and/or reception capabilities with the sending terminal in response to satisfying the second preset condition
  • the second preset condition includes at least one of the following:
  • the sending and/or receiving carrier of the receiving terminal changes
  • the receiving terminal receives the second request signaling sent by the sending terminal for requesting the receiving terminal's carrier transmission and/or reception capabilities;
  • the scheduled timer has expired.
  • the interaction process of carrier transmission and/or reception capabilities with the sending terminal when the receiving terminal determines that the second preset condition is met, the interaction process of carrier transmission and/or reception capabilities with the sending terminal will be triggered; wherein , the second preset condition includes at least one of the following: the receiving terminal's sending and/or receiving carrier changes; the receiving terminal receives a second request sent by the sending terminal for requesting the receiving terminal's carrier sending and/or receiving capabilities. Signaling; scheduled timer expires.
  • the present disclosure defines specific triggering conditions for the interactive process of carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal, thereby ensuring the carrier transmission and/or reception capabilities between the sending terminal and the receiving terminal.
  • the interactive process can be executed smoothly at the appropriate time, which solves the technical problem of unclear triggering conditions for the interactive process of downloading and/or receiving capabilities in NR sidelink carrier aggregation scenarios.
  • the processing module in response to a change in the sending and/or receiving carrier of the receiving terminal, or the predetermined timer times out, is further configured to:
  • Receive second capability information sent by the sending terminal where the second capability information is used to indicate that the sending terminal supports a carrier for sending and/or receiving.
  • the first request signaling carries first capability information
  • the first capability information is used to indicate that the receiving terminal supports sending and/or receiving. carrier.
  • the first request signaling requests the carrier sending and/or receiving capabilities of the sending terminal by carrying predefined parameters.
  • the processing module in response to the receiving terminal receiving the second request signaling sent by the sending terminal for requesting the carrier sending and/or receiving capabilities of the receiving terminal, the processing module Also used for:
  • the second request signaling carries second capability information
  • the second capability information is used to indicate that the sending terminal supports sending and/or receiving. carrier.
  • the second request signaling requests the carrier transmission and/or reception capabilities of the receiving terminal by carrying predefined parameters.
  • the second capability information in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, is used to indicate: the current moment is compared with the previous time.
  • the sending terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the second capability information is used to indicate: the current moment is compared with the previous time.
  • the sending terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the second capability information is used to indicate: the current moment is compared with the previous time.
  • the sending terminal In the interaction process of carrier sending and/or receiving capabilities, the sending terminal newly supports sending and/or receiving carriers, and/or the sending terminal no longer supports sending and/or receiving carriers.
  • the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities before the current moment, the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal in response to an interaction process that triggers over-carrier transmission and/or reception capabilities, the first capability information is used to indicate: the current moment is compared with the previous time.
  • the receiving terminal In the interaction process of carrier transmitting and/or receiving capabilities, the receiving terminal newly supports transmitting and/or receiving carriers, and/or the receiving terminal no longer supports transmitting and/or receiving carriers.
  • the device is also used for:
  • the predetermined timer is restarted.
  • the device is also used for at least one of the following:
  • the receiving end independently determines the predetermined timer
  • the predetermined timer is determined based on the configuration of the sending terminal.
  • the device in response to the receiving terminal determining the predetermined timer based on a configuration of a network device, or determining the predetermined timer based on a preconfiguration, or the receiving terminal To independently determine the predetermined timer, the device is also used to:
  • the predetermined timer is configured separately for different terminals.
  • the predetermined timer is configured separately for different SL Links; or
  • the predetermined timer is configured separately for different DSTs.
  • FIG 14 is a schematic structural diagram of a communication device 1400 provided by an embodiment of the present application.
  • the communication device 1400 may be a network device, a terminal device, a chip, a chip system, or a processor that supports a network device to implement the above method, or a chip, a chip system, or a processor that supports a terminal device to implement the above method. Processor etc.
  • the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
  • Communication device 1400 may include one or more processors 1401.
  • the processor 1401 may be a general-purpose processor or a special-purpose processor, or the like.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data.
  • the central processor can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs. , processing data for computer programs.
  • the communication device 1400 may also include one or more memories 1402, on which a computer program 1404 may be stored.
  • the processor 1401 executes the computer program 1404, so that the communication device 1400 performs the steps described in the above method embodiments. method.
  • the memory 1402 may also store data.
  • the communication device 1400 and the memory 1402 can be provided separately or integrated together.
  • the communication device 1400 may also include a transceiver 1405 and an antenna 1406.
  • the transceiver 1405 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
  • the transceiver 1405 may include a receiver and a transmitter.
  • the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
  • the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
  • the communication device 1400 may also include one or more interface circuits 1407.
  • the interface circuit 1407 is used to receive code instructions and transmit them to the processor 1401 .
  • the processor 1401 executes the code instructions to cause the communication device 1400 to perform the method described in the above method embodiment.
  • the processor 1401 may include a transceiver for implementing receiving and transmitting functions.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the processor 1401 may store a computer program 1403, and the computer program 1403 runs on the processor 1401, causing the communication device 1400 to perform the method described in the above method embodiment.
  • the computer program 1403 may be solidified in the processor 1401, in which case the processor 1401 may be implemented by hardware.
  • the communication device 1400 may include a circuit, which may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
  • the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device, but the scope of the communication device described in this application is not limited thereto, and the structure of the communication device may not be limited by FIG. 14 .
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • the IC collection may also include storage components for storing data and computer programs;
  • the communication device may be a chip or a chip system
  • the schematic structural diagram of the chip shown in FIG. 15 refer to the schematic structural diagram of the chip shown in FIG. 15 .
  • the chip shown in Figure 15 includes a processor 1501 and an interface 1502.
  • the number of processors 1501 may be one or more, and the number of interfaces 1502 may be multiple.
  • the chip also includes a memory 1503, which is used to store necessary computer programs and data.
  • This application also provides a readable storage medium on which instructions are stored. When the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
  • This application also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer programs.
  • the computer program When the computer program is loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program may be stored in or transferred from one computer-readable storage medium to another, for example, the computer program may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
  • the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
  • magnetic media e.g., floppy disks, hard disks, magnetic tapes
  • optical media e.g., high-density digital video discs (DVD)
  • DVD digital video discs
  • semiconductor media e.g., solid state disks, SSD
  • At least one in this application can also be described as one or more, and the plurality can be two, three, four or more, which is not limited by this application.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.
  • the corresponding relationships shown in each table in this application can be configured or predefined.
  • the values of the information in each table are only examples and can be configured as other values, which are not limited by this application.
  • the corresponding relationships shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
  • the names of the parameters shown in the titles of the above tables may also be other names understandable by the communication device, and the values or expressions of the parameters may also be other values or expressions understandable by the communication device.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables. wait.
  • Predefinition in this application can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-burning.

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

Abstract

La présente divulgation concerne un procédé, un appareil et un dispositif de déclenchement d'interaction de capacité et un support de stockage, appartenant au domaine technique des communications. Le procédé consiste à : en réponse à la satisfaction d'une première condition prédéfinie, déclencher un processus d'interaction de capacité d'envoi et/ou de réception de porteuse avec un terminal de réception, la première condition prédéfinie comprenant au moins l'un des éléments suivants : un terminal d'envoi déclenche une sélection initiale d'une porteuse d'envoi ; le terminal d'envoi déclenche la sélection initiale de la porteuse d'envoi et achève la sélection initiale de la porteuse d'envoi ; le terminal d'envoi déclenche la resélection de la porteuse d'envoi ; le terminal d'envoi déclenche la resélection de la porteuse d'envoi et achève la resélection de la porteuse d'envoi ; le terminal d'envoi reçoit une première signalisation de demande envoyée par le terminal de réception et utilisée pour demander la capacité d'envoi et/ou reçoit la porteuse du terminal d'envoi ; un temporisateur prédéfini expire. La présente divulgation résout le problème technique d'une condition de déclenchement non claire pour un processus d'interaction de capacité d'envoi et/ou de réception de porteuse dans un scénario d'agrégation de porteuses de liaison latérale NR.
PCT/CN2022/116215 2022-08-31 2022-08-31 Procédé, appareil et dispositif de déclenchement d'interaction de capacité et support de stockage WO2024045042A1 (fr)

Priority Applications (2)

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PCT/CN2022/116215 WO2024045042A1 (fr) 2022-08-31 2022-08-31 Procédé, appareil et dispositif de déclenchement d'interaction de capacité et support de stockage
CN202280003178.4A CN115669020A (zh) 2022-08-31 2022-08-31 一种能力交互触发方法/装置/设备及存储介质

Applications Claiming Priority (1)

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PCT/CN2022/116215 WO2024045042A1 (fr) 2022-08-31 2022-08-31 Procédé, appareil et dispositif de déclenchement d'interaction de capacité et support de stockage

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110149183A (zh) * 2018-02-13 2019-08-20 华为技术有限公司 通信设备
CN111800238A (zh) * 2019-07-22 2020-10-20 维沃移动通信有限公司 载波聚合参数配置方法、设备及系统
WO2021062805A1 (fr) * 2019-09-30 2021-04-08 华为技术有限公司 Procédé et appareil de communication
US20210321250A1 (en) * 2020-04-10 2021-10-14 Qualcomm Incorporated User equipment (ue) capability and assistance information exchange over sidelinks

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Publication number Priority date Publication date Assignee Title
CN110149183A (zh) * 2018-02-13 2019-08-20 华为技术有限公司 通信设备
CN111800238A (zh) * 2019-07-22 2020-10-20 维沃移动通信有限公司 载波聚合参数配置方法、设备及系统
WO2021062805A1 (fr) * 2019-09-30 2021-04-08 华为技术有限公司 Procédé et appareil de communication
US20210321250A1 (en) * 2020-04-10 2021-10-14 Qualcomm Incorporated User equipment (ue) capability and assistance information exchange over sidelinks

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