WO2023207631A1 - Procédé de communication et dispositif de communication - Google Patents

Procédé de communication et dispositif de communication Download PDF

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Publication number
WO2023207631A1
WO2023207631A1 PCT/CN2023/088338 CN2023088338W WO2023207631A1 WO 2023207631 A1 WO2023207631 A1 WO 2023207631A1 CN 2023088338 W CN2023088338 W CN 2023088338W WO 2023207631 A1 WO2023207631 A1 WO 2023207631A1
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WO
WIPO (PCT)
Prior art keywords
communication device
iuc
information
message
resource
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PCT/CN2023/088338
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English (en)
Chinese (zh)
Inventor
李�杰
彭文杰
赵力
李翔宇
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华为技术有限公司
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Publication of WO2023207631A1 publication Critical patent/WO2023207631A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of wireless technology, and in particular, to a communication method and communication device.
  • SDL communication is different from uplink communication or downlink communication. It is a communication mechanism that directly communicates between different terminal devices without going through network devices. Among them, different terminal devices can realize enhancement of sidelink communication based on the inter-UE coordination (IUC) mechanism.
  • IUC inter-UE coordination
  • communication methods based on IUC enhancement can improve communication performance, such as improving packet reception rate (packet reception ratio, PRR), reducing packet inter-reception (PIR), etc.
  • PRR packet reception ratio
  • PIR packet inter-reception
  • different terminal devices can interact in advance through IUC association messages and response messages to the IUC association messages to determine the IUC configuration information and implement an IUC-enhanced communication process based on the IUC configuration information.
  • This application provides a communication method, communication device and communication system to reduce unnecessary overhead and improve communication efficiency.
  • the first aspect of the embodiments of the present application provides a communication method.
  • the method is executed by a first communication device, or the method is executed by some components (such as a processor, a chip or a chip system, etc.) in the first communication device, or The method may also be implemented by a logic module or software that can implement all or part of the functions of the first communication device.
  • the communication method is described by taking the example that the communication method is executed by the first communication device.
  • the first communication device determines the first number information, the first number information is used to indicate that the first communication device sends an IUC association message to the second communication device and does not receive an IUC association message from the second communication device.
  • the number of response messages to the IUC association message the first communication device determines to stop sending the IUC association message to the second communication device according to the first threshold information and the first number information.
  • the first number information determined by the first communication device is used to indicate that the first communication device sends the inter-user equipment collaborative IUC association message to the second communication device and does not receive the IUC from the second communication device.
  • the first communication device may based on the first threshold information and the first number information. Stop sending the IUC associated message to the second communication device.
  • the first communication device while the first communication device continues to send IUC-related messages to the second communication device, based on the setting of the first threshold information and the determination process of the first number information, the first communication device triggers to stop sending IUC-related messages. , reduce unnecessary overhead to improve communication efficiency.
  • the first time number information may indicate in various ways a response message indicating that the first communication device sent an IUC association message to the second communication device and did not receive the IUC association message from the second communication device.
  • the number of times for example, the first number information may include the value of the number n (n is an integer greater than or equal to 1).
  • the first number information may also include time information or other information to realize the indication of the number n.
  • the process of sending information n times may be based on a preset time interval (the preset time interval may be the same time interval or different time interval) to send the n messages, so that the time information may include the value of the preset time interval corresponding to sending the n messages to indicate the value of the number n; for another example, the time information may include sending the n
  • the timestamp of the message indicates the value of the number n by the number of timestamps carried by the time information.
  • the first communication device does not receive the response message to the IUC association message from the second communication device.
  • a communication link failure between the first communication device and the second communication device causes the second communication device to fail to receive the IUC-related message, which further causes the second communication device to fail to send the IUC-related message to the first communication device.
  • the device capability of the second communication device does not support IUC.
  • the equipment capability of the second communication device supports IUC but the communication mode (such as mode 1 (mode1)) currently in the second communication device does not support the execution of IUC enhancement, resulting in that even if the second communication device receives the IUC association The message also cannot send a response message to the IUC associated message to the first communication device.
  • mode1 mode 1
  • the method further includes: the first communication device receiving the first threshold information.
  • the first communication device can obtain the first threshold information by receiving the first threshold information from other devices (the other devices may include network devices or terminal devices), so that the first device is based on the first threshold information of other devices. Configure to clarify the first threshold information.
  • this implementation can also enable the first threshold information to be determined based on the flexible configuration of other devices, so as to improve the flexibility of solution implementation.
  • the first threshold information is preconfigured information.
  • the first communication device can obtain the first threshold information by reading preconfigured information, so as to reduce signaling overhead.
  • the IUC association message is used to request IUC resources
  • the response message of the IUC association message is used to respond to the request
  • the response message of the IUC association message includes the configuration information of the IUC resource
  • the IUC association message sent by the first communication device is used to request the second communication device to feedback IUC resources.
  • the response message of the IUC association message is used to respond to the request and the response message of the IUC association message Including the configuration information of the IUC resource, that is, the first communication device can clarify the configuration information of the IUC resource after receiving the response message of the IUC association message, so that this solution is suitable for IUC communication scenarios based on requests from the first communication device.
  • the IUC association message carries the configuration information of the IUC resource.
  • the resource configured in the configuration information is associated with the resource carrying the response message of the IUC association message.
  • the IUC association message sent by the first communication device carries the configuration information of the IUC resource.
  • the response information is associated with the resources for data transmission indicated by the configuration information of the IUC resource carried in the IUC association message. That is, the data from the second communication device can be received on the resource associated with the resource indicated by the configuration information of the IUC resource, so that the solution is suitable for IUC communication scenarios based on the transmission of IUC configuration information.
  • the IUC configuration information may be triggered based on preset conditions.
  • the preset condition triggering may include triggering based on a preconfigured period, triggering based on measurement results of a reference signal, or triggering based on other conditions, which are not limited here.
  • the configuration information of the IUC resource includes configuration information for configuring the first resource, and the response message of the IUC association message is carried in the first resource, where the first resource is the first communication Resources desired by the device for carrying data from the second communications device.
  • the configuration information of the IUC resource includes configuration information for configuring the first resource desired by the first communication device for carrying data from the second communication device.
  • the response message is carried on the The first resource allows the first communication device to use the determination result of whether data from the second communication device is received on the first resource as one of the basis for determining the first number information.
  • the first resource may also be called a preferred resource and satisfies at least one of the following:
  • the preferred resource is the reserved resource indicated by the sideline control information format 1-A (SCI format 1-A).
  • the terminal equipment (such as the first communication device or the second communication device) expects that when performing sidelink data reception, the sidelink data is carried on the preferred resource.
  • the method further includes: determining the first threshold information based on capability information of the second communication device, wherein the capability information of the second communication device is used to indicate the second Whether the communication device supports resource awareness.
  • the first communication device when the configuration information of the IUC resource includes configuration information for configuring the first resource desired by the first communication device for carrying data from the second communication device, the first communication device can The first threshold information is determined based on capability information of the second communication device indicating whether the second communication device supports resource awareness.
  • the first threshold information which is one of the basis for determining to stop sending IUC related messages, is related to the capability information of the second communication device, so that the first communication device can determine different third threshold information based on the capability information of the second communication device.
  • a threshold information improves the flexibility of solution implementation.
  • the threshold indicated by the first threshold information is greater than the threshold indicated by the second communication device.
  • the capability information of the device is used to indicate the threshold indicated by the first threshold information when the second communication device does not support resource sensing.
  • the threshold indicated by the first threshold information is greater than the threshold value indicated when the capability information of the second communication device is used to indicate that the second communication device supports resource sensing.
  • the second communication device does not support the threshold indicated by the first threshold information when resource sensing is performed.
  • the data sent by the second communication device can Carried on the first resource or the resource obtained by the second communication device performing resource awareness; if the capability information of the second communication device indicates that the second communication device does not support resource awareness, the second communication device receives the configuration information of the IUC resource After the configured first resource, the second communication device sends The data sent needs to be carried on the first resource; it can be seen that if the capability information of the second communication device indicates the latter, the second communication device is more likely to use the first resource configured by the configuration information of the IUC resource.
  • the capability information of the second communication device indicates a threshold value indicated by the first threshold information when the second communication device supports resource sensing, which is greater than the threshold value indicated by the capability information of the second communication device when the second communication device does not support resource sensing.
  • the threshold indicated by the first threshold information is greater than the threshold value indicated by the capability information of the second communication device when the second communication device does not support resource sensing.
  • the configuration information of the IUC resource includes configuration information for configuring the second resource
  • the response message of the IUC association message is carried in other resources besides the second resource, where , the second resource is a resource that is not expected by the first communication device and is used to carry data from the second communication device.
  • the configuration information of the IUC resource includes configuration information for configuring a second resource that is not expected by the first communication device and is used to carry data from the second communication device.
  • the response message is carried on Resources other than the second resource enable the first communication device to use the determination result of whether data from the second communication device is received on the second resource as one of the basis for determining the first number information.
  • the second resource may also be called a non-preferred resource and satisfies at least one of the following:
  • the non-preferred resources are reserved resources indicated by the sideline control information format 1-A (SCI format 1-A);
  • the terminal equipment (such as the first communication device or the second communication device) expects that when performing sidelink data reception, the sidelink data is carried on other resources other than the non-preferred resource (or the side Downlink data is not carried on this non-preferred resource).
  • the first communication device determining to stop sending the IUC associated message to the second communication device according to the first threshold information and the first number information includes: the first communication device When it is determined that the number of times indicated by the first number information reaches the threshold indicated by the first threshold information, it is determined to stop sending the IUC-related message to the second communication device.
  • the first communication device can accumulate the number of times indicated by the first number information, and the first communication device determines that the first communication device is based on the When the number of times indicated by the first number information reaches the threshold indicated by the first threshold information, it is determined to stop sending the IUC associated message to the second communication device to reduce signaling overhead.
  • the first communication device may also determine to stop communicating to the second The device sends the IUC associated message, which is not limited here.
  • the preset relationship may indicate that when the number of times indicated by the first count information reaches the sum of the threshold indicated by the first threshold information and the first measurement value, the first communication device may also determine to stop communicating with the second The device sends the IUC association message.
  • the value of the first measurement value is related to the result of channel measurement by the first communication device.
  • the channel busyness indicated by the channel measurement result is positively correlated with the value of the first measurement value, that is, the busier the channel indicated by the channel measurement result, the IUC sent by the first communication device
  • the association message is likely to be interfered by other information, causing the second communication device to be unable to receive the IUC association message and feed back a response message to the IUC association message.
  • the value of the first measurement value can be set to a larger value. value, so as to increase the probability that the second communication device receives the IUC association message and feeds back a response message to the IUC association message.
  • the idler the channel indicated by the channel measurement result the less likely it is that the IUC related message sent by the first communication device will be interfered with by other information, causing the second communication device to be unable to receive the IUC related message and feed back the IUC.
  • the response message of the associated message can be set to a smaller value to reduce Low overhead.
  • the method further includes : The first communication device starts the first timer; when the first timer times out, the first communication device sends the IUC associated message to the second communication device.
  • the first communication device after the first communication device determines to stop sending the IUC association message to the second communication device, the first communication device can start a first timer, and when the first timer times out, the first communication device A communication device sends the IUC related message to the second communication device to ensure that the second communication device can execute the IUC process in time.
  • the duration corresponding to the first timer is a minute-level duration, an hour-level duration, or other levels of duration, which is not limited here.
  • the first number information is used to indicate that the first communication device sends an IUC association message to the second communication device and does not receive the IUC association message from the second communication device.
  • the number of response messages of the message includes: the first number information is used to instruct the first communication device to send an IUC related message to the second communication device, and the first communication device determines to have received the IUC from the second communication device.
  • Hybrid automatic repeat request acknowledgment (HARQ ACK) corresponding to the association message, and determine the number of times that the response message of the IUC association message from the second communication device has not been received; wherein, the IUC association message corresponds to The HARQ ACK is used to indicate that the second communication device has received the IUC association message.
  • HARQ ACK Hybrid automatic repeat request acknowledgment
  • the number of times indicated by the first number information determined by the first communication device may be based on the HARQ ACK of the IUC association message received and not received
  • the number of response messages to the IUC association message is excluded from the failure of the communication link between the first communication device and the second communication device (or the second communication device feedback hybrid automatic repeat request negative acknowledgment) , HARQ NACK), or the second communication device is unable to feed back a response message due to HARQ discontinuous transmission (discontinuous transmission, DTX) state, etc.) when HARQ is enabled but the first communication device does not receive HARQ feedback.
  • the second aspect of the embodiment of the present application provides a communication method.
  • the method is executed by a first communication device, or the method is executed by some components (such as a processor, a chip or a chip system, etc.) in the first communication device, or The method may also be implemented by a logic module or software that can implement all or part of the functions of the first communication device.
  • description is made taking the example that the communication method is executed by the first communication device.
  • the first communication device sends a first sidelink radio resource control (RRC) message to the second communication device, where the first sidelink RRC message includes IUC configuration information; the first sidelink RRC message includes IUC configuration information;
  • the communication device receives a second sidelink RRC message from the second communication device.
  • the second sidelink RRC message includes first information, and the first information is used to indicate that the IUC configuration information configuration fails.
  • the first communication device after the first communication device sends the first sidelink RRC message including the IUC configuration information to the second communication device, the first communication device receives the second sidelink RRC message from the second communication device.
  • the second sidelink RRC message includes first information indicating a configuration failure of the IUC configuration information.
  • the first communication device receives the second sidelink including the first information indicating the configuration failure of the IUC configuration information
  • the first communication device makes it clear based on the first information that the second communication device is currently not configured based on the IUC configuration information and therefore cannot execute the IUC process, and determines not to start the IUC process with the second communication device. , to reduce unnecessary overhead.
  • the IUC configuration information includes at least one of the following parameters:
  • Latency bound indicating the validity time limit for sending IUC information (inter-UE coordination information).
  • IUC scheme 1 (interUECoordinationScheme1) indicates that the resources configured by the IUC configuration information are preferred resources or non-preferred resources; or,
  • IUC scheme 2 (interUECoordinationScheme2) indicates that there is a resource conflict between the resources configured in the IUC configuration information and other resources.
  • the other resources include resources allocated by the first communication device to other communication devices;
  • Transmission scheme indicates that the IUC configuration information is an IUC based on a request mechanism or an IUC based on condition triggering.
  • the duration corresponding to the valid time indicated by the delay constraint is a millisecond-level duration (for example, k milliseconds, and k is greater than or equal to 1), a microsecond-level duration (for example, k microseconds, and k is greater than or equal to 1). ), or other implementations, which are not limited here.
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is a sidelink RRC reconfiguration completion message. information.
  • the first sidelink RRC message containing the IUC configuration information sent by the first communication device is a sidelink RRC reconfiguration message to instruct the second communication device to use the first sidelink RRC message based on the first sidelink configuration information.
  • the link RRC message performs the process of RRC reconfiguration.
  • the second sidelink RRC message received by the first communication device from the second communication device is a sidelink RRC reconfiguration complete message to indicate that the second communication device has completed the sidelink RRC.
  • the process of reconfiguration since the second sidelink RRC message also contains the first information indicating that the IUC configuration information has not been executed, resulting in a configuration failure, the sidelink RRC reconfiguration completion message and the first information jointly indicate that the IUC configuration information has not been executed.
  • the second communication device has completed other RRC reconfiguration processes except the IUC configuration information.
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is a sidelink RRC reconfiguration failure message
  • the first sidelink RRC message containing the IUC configuration information sent by the first communication device is a sidelink RRC reconfiguration message to instruct the second communication device to use the first sidelink RRC message based on the first sidelink configuration information.
  • the link RRC message performs the process of RRC reconfiguration.
  • the second sidelink RRC message received by the first communication device from the second communication device is a sidelink RRC reconfiguration failure message, which is used to instruct the second communication device to attempt to perform sidelink RRC reconfiguration. Configuration message and the process of performing RRC reconfiguration of this sidelink failed.
  • the first information includes any of the following: first indication information, used to indicate that the IUC configuration information is not executed by the second communication device, causing the IUC configuration information to fail to be configured; or, second Indication information, used to indicate that the mode in which the second communication device is located does not support IUC, causing the configuration of the IUC configuration information to fail.
  • the first information can be implemented by any of the above methods to indicate the IUC configuration information configuration failure to the first communication device, so that after the first communication device receives the first information, the first communication device can based on The first information identifies the reason why the configuration of the second communication device fails.
  • the method further includes: the first communication device starts the second communication device. A timer; when the first timer times out, the first communication device sends a third sidelink RRC message to the second communication device, where the third sidelink RRC message includes the IUC configuration information.
  • the first communication device can start a first timer, and when the first timer times out, From time to time, the first communication device sends a third sidelink RRC message including the IUC configuration information to the second communication device to ensure that the second communication device can perform the IUC process based on the IUC configuration information in a timely manner.
  • the duration corresponding to the first timer is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other
  • the duration of the level is not limited here.
  • the duration corresponding to the first timer is greater than the duration corresponding to the valid time indicated by the delay constraint.
  • the method before the first communication device sends the first sidelink RRC message to the second communication device, the method further includes: the first communication device receives from the Third indication information of the second communication device, the third indication information is used to indicate the capability information of the second communication device, and the capability information is used to indicate whether the second communication device supports IUC.
  • the first communication device may also receive a message from the second communication device indicating the second communication device.
  • the third indication information that the communication device supports IUC enables the first communication device to send the first sidelink RRC message containing the IUC configuration information to the second communication device only when it is clear that the second communication device supports IUC, To improve the success rate of executing the IUC process.
  • the third aspect of the embodiment of the present application provides a communication method.
  • the method is executed by a second communication device, or the method is executed by some components (such as a processor, a chip or a chip system, etc.) in the second communication device, or The method may also be implemented by a logic module or software that can implement all or part of the functions of the second communication device.
  • the communication method is described by taking the example that the communication method is executed by the second communication device.
  • the second communication device receives a first sidelink radio resource control RRC message from the first communication device, the first sidelink RRC message includes inter-user equipment collaborative IUC configuration information; the second communication device The device sends a second sidelink RRC message to the first communication device, where the second sidelink RRC message includes first information, and the first information is used to indicate that the IUC configuration information configuration fails.
  • the second communication device after the second communication device receives the first sidelink RRC message containing the IUC configuration information from the first communication device, the second communication device sends the second sidelink RRC message to the first communication device.
  • RRC message the second sidelink RRC message includes first information indicating a configuration failure of the IUC configuration information.
  • the first communication device after receiving the second sidelink RRC message including the first information indicating the configuration failure of the IUC configuration information, the first communication device causes the first communication device to clarify the second communication based on the first information.
  • the device is currently not configured based on the IUC configuration information and therefore cannot perform the IUC process, and determines not to start the IUC process with the second communication device to reduce unnecessary overhead.
  • the IUC configuration information includes at least one of the following parameters:
  • Latency bound indicating the validity time limit for sending IUC information (inter-UE coordination information).
  • IUC scheme 1 (interUECoordinationScheme1) indicates that the resources configured by the IUC configuration information are preferred resources or non-preferred resources; or,
  • IUC scheme 2 (interUECoordinationScheme2) indicates that there is a resource conflict in the resource indicated by the second communication device;
  • Transmission scheme indicates that the IUC configuration information is an IUC based on a request mechanism or an IUC based on condition triggering.
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is an RRC sidelink reconfiguration complete message
  • the first sidelink RRC message containing the IUC configuration information received by the second communication device is a sidelink RRC reconfiguration message, which is used to instruct the second communication device to use the first sidelink RRC message based on the first sidelink configuration information.
  • the link RRC message performs the process of RRC reconfiguration.
  • the second sidelink RRC message sent by the second communication device is a sidelink RRC reconfiguration failure message, used to indicate to the second communication device that the sidelink RRC reconfiguration has failed.
  • the second sidelink RRC message also contains the first information indicating that the IUC configuration information has not been executed, resulting in a configuration failure, the sidelink RRC reconfiguration completion message and the first information jointly indicate that the IUC configuration information has not been executed.
  • the second communication device has completed other RRC reconfiguration processes except the IUC configuration information.
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is an RRC sidelink reconfiguration failure message
  • the first sidelink RRC message containing the IUC configuration information received by the second communication device is a sidelink RRC reconfiguration message, which is used to instruct the second communication device to use the first sidelink RRC message based on the first sidelink configuration information.
  • the link RRC message performs the process of RRC reconfiguration.
  • the second sidelink RRC message sent by the second communication device is a sidelink RRC reconfiguration failure message, which is used to indicate that the second communication device has failed to perform the sidelink RRC reconfiguration process.
  • the second communication device when at least one of the following is satisfied, sends a second sidelink RRC message to the first communication device, including: The capability information indicates that the second communication device supports IUC; or, the second communication device is determined to be in mode 1 mode1.
  • the triggering method for the second communication device to send the first information indicating the configuration failure of the IUC configuration information to the first communication device may include at least one of the above; in other words, when at least one of the above is satisfied, the second The communication device will send first information indicating failure to configure the IUC configuration information to the first communication device.
  • the first information includes any of the following: first indication information, used to indicate that the IUC configuration information is not executed by the second communication device, causing the IUC configuration information to fail to be configured; or, second Indication information, used to indicate that the mode in which the second communication device is located does not support IUC, causing the configuration of the IUC configuration information to fail.
  • the first information can be implemented by any of the above methods to indicate the IUC configuration information configuration failure to the first communication device, so that after the first communication device receives the first information, the first communication device can based on The first information identifies the reason why the configuration of the second communication device fails.
  • the method before the second communication device receives the first sidelink RRC message from the first communication device, the method further includes: the second communication device sends a message to the first communication device.
  • the first communication device sends the Three indication information, the third indication information is used to indicate capability information of the second communication device, and the capability information is used to indicate support for IUC.
  • the second communication device may also send a message to the first communication device indicating the second communication
  • the third indication information that the device supports IUC enables the first communication device to send the first sidelink RRC message including the IUC configuration information to the second communication device only when it is clear that the second communication device supports IUC, so as to Improve the success rate of executing the IUC process.
  • the fourth aspect of the embodiments of the present application provides a communication device, which can implement the method in the above-mentioned first aspect or any possible implementation manner of the first aspect.
  • the device includes corresponding units or modules for performing the above method.
  • the units or modules included in the device can be implemented by software and/or hardware.
  • the device can be a terminal device, or the device can be a component in the terminal device (such as a processor, a chip or a chip system, etc.), or the device can also be a logic module that can realize all or part of the functions of the terminal device or software.
  • the device includes a processing unit and a transceiver unit;
  • the processing unit is used to determine the first number information.
  • the first number information is used to instruct the transceiver unit to send the inter-user equipment collaborative IUC association message to the second communication device and not receive the IUC from the second communication device.
  • the processing unit determines to stop sending the IUC associated message to the second communication device according to the first threshold information and the first number information.
  • the transceiver unit is also configured to receive the first threshold information.
  • the first threshold information is preconfigured information.
  • the IUC association message is used to request IUC resources
  • the response message of the IUC association message is used to respond to the request
  • the response message of the IUC association message includes the configuration of the IUC resource. information.
  • the IUC association message carries configuration information of IUC resources, and the resources configured in the configuration information of the IUC resources are associated with resources that carry the response message of the IUC association message.
  • the configuration information of the IUC resource includes configuration information for configuring the first resource, and the response message of the IUC association message is carried on the first resource, wherein the first resource Resources desired by the first communication device for carrying data from the second communication device.
  • the processing unit is further configured to determine the first threshold information based on capability information of the second communication device, wherein the capability information of the second communication device is used to indicate the third 2. Whether the communication device supports resource awareness.
  • the threshold indicated by the first threshold information is greater than the threshold indicated by the second communication device.
  • the capability information of the device is used to indicate the threshold indicated by the first threshold information when the second communication device does not support resource sensing.
  • the configuration information of the IUC resource includes configuration information for configuring the second resource, and the response message of the IUC association message is carried in other resources besides the second resource, where , the first The second resource is a resource that is not intended by the first communication device and is used to carry data from the second communication device.
  • the processing unit configured to determine to stop sending the IUC association message to the second communication device according to the first threshold information and the first number information includes:
  • the processing unit is configured to determine to stop sending the IUC associated message to the second communication device when the number of times indicated by the first number information reaches the threshold indicated by the first threshold information.
  • the processing unit is also used to start the first timer
  • the transceiver unit is configured to send the IUC association message to the second communication device when the processing unit determines that the first timer has expired.
  • the first number information is used to instruct the transceiver unit to send the IUC association message to the second communication device and not receive the IUC association message from the second communication device.
  • the number of times the message is responded to includes:
  • the first time information is used to instruct the transceiver unit to send the IUC association message to the second communication device, and the processing unit determines that the hybrid automatic repeat request confirmation HARQ ACK corresponding to the IUC association message from the second communication device is received. , and determine the number of times that a response message to the IUC association message from the second communication device has not been received; wherein the HARQ ACK corresponding to the IUC association message is used to indicate that the second communication device has received the IUC association message.
  • the component modules of the communication device can also be used to perform the steps performed in each possible implementation manner of the first aspect, and achieve corresponding technical effects.
  • the first aspect here No longer.
  • the fifth aspect of the embodiments of the present application provides a communication device, which can implement the method in the above second aspect or any possible implementation manner of the second aspect.
  • the device includes corresponding units or modules for performing the above method.
  • the units or modules included in the device can be implemented by software and/or hardware.
  • the device can be a terminal device, or the device can be a component in the terminal device (such as a processor, a chip or a chip system, etc.), or the device can also be a logic module that can realize all or part of the functions of the terminal device or software.
  • the communication device includes a transceiver unit and a processing unit;
  • the processing unit is used to determine a first sidelink radio resource control RRC message, where the first sidelink RRC message includes inter-user equipment collaborative IUC configuration information;
  • the transceiver unit is used to send the first sidelink RRC message to the second communication device;
  • the transceiver unit is also configured to receive a second sidelink RRC message from the second communication device.
  • the second sidelink RRC message includes first information, and the first information is used to indicate that the IUC configuration information configuration fails. .
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is a sidelink RRC reconfiguration completion message. information.
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is a sidelink RRC reconfiguration failure. information.
  • the first information includes any of the following:
  • the first indication information is used to indicate that the IUC configuration information has not been executed by the second communication device, causing the configuration of the IUC configuration information to fail; or,
  • the second indication information is used to indicate that the mode in which the second communication device is located does not support IUC, causing the configuration of the IUC configuration information to fail.
  • the processing unit is also used to start the first timer
  • the transceiver unit is also configured to send a third sidelink RRC message to the second communication device when the processing unit determines that the first timer has expired, where the third sidelink RRC message includes the IUC configuration information.
  • the transceiver unit is also configured to receive third indication information from the second communication device.
  • the third indication information is used to indicate capability information of the second communication device.
  • the capability information is used to indicate support for IUC.
  • the component modules of the communication device can also be used to perform the steps performed in each possible implementation manner of the second aspect, and achieve corresponding technical effects.
  • the second aspect here No longer.
  • the sixth aspect of the embodiments of the present application provides a communication device, which can implement the method in the above third aspect or any possible implementation manner of the third aspect.
  • the device includes corresponding units or modules for performing the above method.
  • the units or modules included in the device can be implemented by software and/or hardware.
  • the device can be a terminal device, or the device can be a component in the terminal device (such as a processor, a chip or a chip system, etc.), or the device can also be a logic module that can realize all or part of the functions of the terminal device or software.
  • the communication device includes a transceiver unit and a processing unit;
  • the transceiver unit is configured to receive a first sidelink radio resource control RRC message from the first communication device, where the first sidelink RRC message includes inter-user equipment collaborative IUC configuration information;
  • the processing unit is used to determine a second sidelink RRC message, the second sidelink RRC message includes first information, the first information is used to indicate that the IUC configuration information configuration fails;
  • the transceiver unit is also used to send the second sidelink RRC message to the first communication device.
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is an RRC sidelink reconfiguration completion message. information.
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is an RRC sidelink reconfiguration failure. information.
  • the transceiver unit when at least one of the following is satisfied, sends a second sidelink RRC message to the first communication device, including:
  • the processing unit determines that the capability information of the second communication device indicates that the second communication device supports IUC; or,
  • the processing unit determines that the second communication device is determined to be in mode 1 mode1.
  • the first information includes any of the following:
  • the first indication information is used to indicate that the IUC configuration information has not been executed by the second communication device, causing the configuration of the IUC configuration information to fail; or,
  • the second indication information is used to indicate that the mode in which the second communication device is located does not support IUC, causing the configuration of the IUC configuration information to fail.
  • the transceiver unit is also configured to send third indication information to the first communication device.
  • the third indication information is used to indicate capability information of the second communication device.
  • the capability information is used to indicate support for IUC.
  • the component modules of the communication device can also be used to perform the steps performed in each possible implementation manner of the third aspect, and achieve corresponding technical effects.
  • the third aspect here No longer.
  • a seventh aspect of the embodiment of the present application provides a communication device, including at least one processor, the at least one processor being coupled to a memory;
  • This memory is used to store programs or instructions
  • the at least one processor is configured to execute the program or instructions, so that the device implements the method described in the aforementioned first aspect or any possible implementation manner of the first aspect.
  • An eighth aspect of the embodiment of the present application provides a communication device, including at least one processor, the at least one processor being coupled to a memory;
  • This memory is used to store programs or instructions
  • the at least one processor is configured to execute the program or instructions, so that the device implements the method described in the aforementioned second aspect or any possible implementation manner of the second aspect.
  • a ninth aspect of the embodiment of the present application provides a communication device, including at least one processor, the at least one processor being coupled to a memory;
  • This memory is used to store programs or instructions
  • the at least one processor is configured to execute the program or instructions, so that the device implements the method described in the foregoing third aspect or any possible implementation manner of the third aspect.
  • a tenth aspect of the embodiment of the present application provides a communication device, including at least one logic circuit and an input and output interface;
  • the logic circuit is used to perform the method described in the aforementioned first aspect or any possible implementation of the first aspect, or the logic circuit is used to perform the method described in the aforementioned second aspect or any possible implementation of the second aspect.
  • the method described in the manner, or the logic circuit is used to perform the method described in the foregoing third aspect or any possible implementation manner of the third aspect.
  • An eleventh aspect of the embodiment of the present application provides a computer-readable storage medium that stores one or more computer-executable instructions.
  • the processor executes the above-mentioned first aspect or any of the first aspects.
  • the method described in one possible implementation manner, or the processor performs the method described in the above second aspect or any possible implementation manner of the second aspect, or the processor performs the method described in the above third aspect or The method described in any possible implementation manner of the third aspect.
  • a twelfth aspect of the embodiment of the present application provides a computer program product (or computer program) that stores one or more computers.
  • the processor executes the above first aspect or the first aspect.
  • the method of any possible implementation of the aspect, or the processor executes the above second aspect or the method of any possible implementation of the second aspect, or the processor executes the above third aspect or any one of the third aspect Possible implementation methods.
  • a thirteenth aspect of the embodiment of the present application provides a chip system.
  • the chip system includes at least one processor and is used to support a communication device to implement the functions involved in the above-mentioned first aspect or any possible implementation manner of the first aspect. , or, used to support the communication device to implement the above second aspect or the aspects involved in any possible implementation manner of the second aspect. function, or used to support the communication device to implement the functions involved in the above third aspect or any possible implementation manner of the third aspect.
  • the chip system may also include a memory for storing necessary program instructions and data of the first communication device.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the chip system further includes an interface circuit that provides program instructions and/or data to the at least one processor.
  • a fourteenth aspect of the embodiments of the present application provides a communication system.
  • the communication system includes the communication device of the fourth aspect, and/or the communication system includes the communication device of the fifth aspect and the communication device of the sixth aspect, And/or, the communication system includes the communication device of the seventh aspect, and/or the communication system includes the communication device of the eighth aspect and the communication device of the ninth aspect, and/or the communication system includes the tenth aspect. communication devices.
  • FIG. 1 is a schematic diagram of the communication system involved in this application.
  • FIG. 2a is a schematic diagram of the interaction of IUC associated messages involved in this application.
  • FIG. 2b is another schematic diagram of the interaction of IUC association messages involved in this application.
  • FIG. 3 is another schematic diagram of the interaction of IUC association messages involved in this application.
  • FIG. 4 is a schematic diagram of the communication method provided by this application.
  • FIG. 5 is another schematic diagram of the communication method provided by this application.
  • Figure 6a is a schematic diagram of the application scenario of this application.
  • Figure 6b is another schematic diagram of the communication method provided by this application.
  • Figure 6c is another schematic diagram of the communication method provided by this application.
  • Figure 7a is another schematic diagram of the application scenario of the present application.
  • Figure 7b is another schematic diagram of the communication method provided by this application.
  • FIG. 8 is another schematic diagram of the communication method provided by this application.
  • Figure 9a is another schematic diagram of the communication method provided by this application.
  • Figure 9b is another schematic diagram of the communication method provided by this application.
  • FIG. 10 is another schematic diagram of the communication method provided by this application.
  • FIG 11 is a schematic diagram of the communication device provided by this application.
  • Figure 12 is a schematic diagram of the communication device provided by this application.
  • Figure 13 is a schematic diagram of the communication device provided by this application.
  • the terminal equipment involved in this application includes equipment that provides voice to users, equipment that provides data connectivity to users, and equipment that provides voice and data connectivity to users. This may include, for example, a handheld device with wireless connectivity, or a processing device connected to a wireless modem. It can also be called a terminal for short.
  • the terminal can communicate with the core network via the radio access network (RAN), exchange voice or data with the RAN, or interact with the RAN for voice and data.
  • RAN radio access network
  • the terminal may include user equipment (UE), wireless terminal, mobile terminal, device-to-device communication (D2D) terminal, vehicle to everything (V2X) terminal, roadside unit ( road side unit (RSU), machine-to-machine/machine-type communications (M2M/MTC) terminal, Internet of things (IoT) terminal, subscriber unit (subscriber unit), Subscriber station, mobile station, remote station, access point (AP), remote terminal, access terminal, user terminal terminal), user agent (user agent), or user device (user device), etc.
  • This may include mobile phones (or “cellular” phones), computers with mobile terminals, portable, pocket-sized, handheld, computer-built-in mobile devices, etc.
  • PCS personal communication service
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistants
  • restricted devices devices with lower power consumption, or devices with limited storage capabilities, or devices with limited computing capabilities, etc. It can include barcodes, radio frequency identification (RFID), sensors, global positioning system (GPS), laser scanners and other information sensing equipment.
  • RFID radio frequency identification
  • GPS global positioning system
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices or smart wearable devices. It is a general term for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes. wait.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized devices that can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, and those that only focus on a certain type of application function and need to cooperate with other devices such as smartphones. Used, such as various smart bracelets, smart helmets, smart jewelry, etc. for physical sign monitoring.
  • the various terminals introduced above can be considered as vehicle-mounted terminals if they are located on the vehicle, such as placed or installed in the vehicle.
  • vehicle-mounted terminal is also called an on-board unit (OBU), for example.
  • OBU on-board unit
  • the device used to implement the function of the terminal may be a terminal, or may be a circuit capable of supporting the terminal to implement the function, such as a circuit that may be applied to a chip system, and the chip system may be installed in the terminal.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the network equipment involved in this application may include wireless access network (radio access network, RAN) equipment, such as base stations (for example, access points). It can refer to the equipment in the access network that communicates with the terminal device through the air interface, or the network equipment in the vehicle-to-everything (V2X) technology is the road side unit (RSU).
  • the base station may be used to convert received air frames to and from IP packets and act as a router between the terminal and the rest of the access network, which may include the IP network.
  • RSU can be a fixed infrastructure entity that supports V2X applications and exchanges messages with other entities that support V2X applications. Network devices also coordinate attribute management of the air interface.
  • the network equipment may include an evolutionary base station (evolutional Node B, NodeB or eNB or e-NodeB) in a long term evolution (long term evolution, LTE) system or long term evolution-advanced (LTE-A), Or it can also include the next generation nodes in the evolved packet core network (evolved packet core, EPC), fifth generation communication technology (5th generation, 5G), and new radio (new radio, NR) system (also referred to as NR system) B (next generation node B, gNB) or including the centralized unit (centralized unit, CU) and distributed unit (distributed unit, DU) in the cloud radio access network (cloud RAN) system, this application implements Examples are not limiting.
  • EPC evolved packet core network
  • 5G fifth generation communication technology
  • new radio new radio
  • NR new radio
  • Network equipment may also include core network equipment, which includes, for example, access and mobility management functions (AMF), etc.
  • RSU access and mobility management functions
  • RSU can be a network RSU or a terminal device RSU.
  • AMF access and mobility management functions
  • the RSU can be a network RSU or a terminal device RSU.
  • When used as a network-type RSU it performs the functions of a network-type device; when used as a terminal device-type RSU, it performs the functions of a terminal device.
  • the network device can send configuration information (for example, carried in a scheduling message and/or an instruction message) to the terminal device, and the terminal device further performs network configuration based on the configuration information, so that the network configuration between the network device and the terminal device is aligned; or , through the network configuration preset on the network device and the network configuration preset on the terminal device, the network configuration between the network device and the terminal device is aligned.
  • alignment refers to the determination of the carrier frequency for sending and receiving interactive messages, the type of interactive messages, the meaning of the field information carried in the interactive messages, or whether there are interactive messages between the network device and the terminal device. The understanding of other configurations of interactive messages is consistent.
  • the network device may be other devices that provide wireless communication functions for terminal devices.
  • the embodiments of this application do not limit the specific technology and specific equipment form used by the network equipment. For convenience of description, the embodiments of this application are not limited.
  • Network equipment may also include core network equipment.
  • Core network equipment may include, for example, AMF, user plane function (UPF) or session management function (SMF), etc.
  • AMF user plane function
  • UPF user plane function
  • SMF session management function
  • the device used to implement the function of the network device may be a network device, or may be a device that can support the network device to implement the function, such as a chip system, and the device may be installed in the network device.
  • the technical solution provided by the embodiment of the present application the technical solution provided by the embodiment of the present application is described by taking the device for realizing the functions of the network device being a network device as an example.
  • terminal devices can directly connect information through the PC5 interfaces between each other.
  • the side link can be represented by English Sidelink or side link. Both have the same meaning.
  • This application describes the sidelink link in English.
  • This technology can not only provide information exchange within the coverage service range of network equipment, but also can conduct information exchange in places without network equipment coverage.
  • Terminal equipment authorized for special communication can use Sidelink communication.
  • Sidelink communication can be used for the transmission of intelligent transportation business data, and can also be used for the transmission of mobile Internet services. This application does not limit this.
  • Sidelink control information includes sidelink scheduling information or necessary indication information for sidelink transmission, such as indication information of time-frequency resource blocks used in transmission, modulation and coding scheme, source identification ID, target identification ID, etc. .
  • V2X sidelink control information is sent in two stages.
  • the first stage SCI (the first stage SCI) is carried on the physical sidelink control channel (PSCCH) and contains information for sensing operations and information about PSSCH resource allocation.
  • the first stage SCI can also be called the first level SCI.
  • the second stage SCI is carried on the physical side link shared channel (PSSCH).
  • PSSCH physical side link shared channel
  • the second stage SCI (the second stage SCI) carries the identification and/or decoding of the associated sidelink shared channel (sidelink shared channel). channel, SL-SCH), as well as hybrid automatic repeat request (HARQ) indication information, and channel state information (channel state information, CSI) feedback trigger information, etc.
  • HARQ hybrid automatic repeat request
  • CSI channel state information
  • the second stage SCI can also be called the second level SCI.
  • network equipment can configure a resource pool for SL communication of V2X terminal equipment.
  • a resource pool is a collection of time-frequency resources.
  • Two resource allocation modes are defined in V2X:
  • Mode 1 The network device schedules or configures Sidelink resources for the terminal device to perform Sidelink transmission;
  • Mode 2 Terminal device independent resource selection.
  • mode 2 is implemented by the terminal device sensing which resources are not used by other terminal devices in a (pre)configured resource pool and selecting an appropriate number of such resources for its own transmission.
  • V2X supports resource sensing (sensing) and selection or reselection process in Mode 2.
  • the sensing process can also be based on demodulating SCI information of other terminal devices or other Sidelink measurement results.
  • the demodulated SCI information reflects the resource usage on Sidelink.
  • the resource selection or reselection process may determine the resources used for Sidelink transmission based on the above sensing process results.
  • Configuration means that the network device or server sends the configuration information or parameter values of some parameters to the terminal through messages or signaling, so that the terminal can determine the communication parameters or transmission resources based on these values or information.
  • Preconfiguration is similar to configuration. It can be a way for network equipment or servers to send parameter information or values to the terminal through another link or carrier that is different from the side link; it can also be to define the corresponding parameters or parameter values. Or by writing relevant parameters or values into the terminal device in advance. The present invention does not limit this. Furthermore, these values and parameters can be changed or updated.
  • system and “network” in the embodiments of this application can be used interchangeably.
  • “At least one” means one or more, and “plurality” means two or more.
  • “And/or” describes the relationship between related objects, indicating that it can The existence of three relationships, for example, A and/or B, can mean: the existence of A alone, the existence of A and B at the same time, and the existence of B alone, where A and B can be singular or plural.
  • the character “/” generally indicates that the related objects are in an “or” relationship.
  • “At least one of the following” or similar expressions thereof refers to any combination of these items, including any combination of a single item (items) or a plurality of items (items).
  • At least one of A, B, and C includes A, B, C, AB, AC, BC, or ABC.
  • the ordinal numbers such as “first” and “second” mentioned in the embodiments of this application are used to distinguish multiple objects and are not used to limit the order, timing, priority or importance of multiple objects. degree.
  • This application can be applied to long term evolution (LTE) systems, new radio (new radio, NR) systems, or other communication systems.
  • the communication system includes network equipment and terminal equipment, and the network equipment serves as a configuration
  • the information sending entity, the terminal device serves as the configuration information receiving entity.
  • there is an entity in the communication system that sends configuration information to another entity, sends data to another entity, or receives data sent by another entity; another entity receives configuration information and sends configuration information to another entity based on the configuration information.
  • the entity sends data, or receives configuration information to send data sent by the entity.
  • this application can be applied to a terminal device in a connected state or an active state (active), and can also be applied to a terminal device in a non-connected state (inactive) or an idle state (idle).
  • FIG. 1 is a schematic diagram of a communication system provided by an embodiment of the present application.
  • a network device is used as a base station as an example for illustration, and device 1 and device 2 are both terminal devices.
  • the communication link between device 1 and device 2 can be called a sidelink (SL), and the communication link between device 1 (or device 2) and the base station can be called uplink and downlink.
  • Links include uplink links and downlink links; it can be seen that the sidelink link is a communication mechanism for direct communication between different terminal devices without going through network devices.
  • the transmitting device and the receiving device can be the same type of terminal equipment or network equipment, or they can be a roadside station (road side unit, RSU) and Terminal equipment, where the RSU is a roadside station or a roadside unit from a physical entity point of view. From a functional point of view, the RSU can be a terminal device or a network device.
  • RSU road side unit
  • the transmitting device is a terminal device and the receiving device is also a terminal device; or the transmitting device is a roadside station and the receiving device is also a terminal device; or the transmitting device is a terminal device and the receiving device is also a roadside station.
  • the sidelink can also be the same type or a different type of base station equipment. In this case, the function of the sidelink is similar to that of the relay link, but the air interface technology used can be the same or different.
  • one terminal device can communicate with another terminal device through the relay of the network device, or it can communicate directly with another terminal device without going through the network device.
  • the communication link between the two terminal devices may be called a sidelink or a through link.
  • mode 1 can be the network device scheduling or configuring side link resources for the terminal device to perform side link transmission; for example, for the terminal device in mode 1, the network device allocates resources to the terminal device and supports dynamic Grant (dynamic grant), configured grant type 1 (configured grant type 1) and configured grant type 2 (configured grant type 2).
  • mode 2 is an autonomous resource selection by the terminal device, that is, the terminal device selects a resource set for sidelink transmission from the resource pool.
  • the different terminal devices can implement enhancement of sidelink communication based on an inter-UE coordination (IUC) mechanism.
  • IUC inter-UE coordination
  • communication methods based on IUC enhancement can improve communication performance, such as improving packet reception rate (packet reception ratio, PRR), reducing packet inter-reception (PIR), etc.
  • PRR packet reception ratio
  • PIR packet inter-reception
  • different terminal devices can interact in advance through IUC association messages and response messages to the IUC association messages to determine the IUC configuration information and implement an IUC-enhanced communication process based on the IUC configuration information.
  • the implementation of the configuration information of the IUC will be exemplarily described below with reference to FIG. 2a and FIG. 2b.
  • the IUC association message can be an IUC request (inter-UE coordination request) message
  • the response message of the IUC association message can be IUC information (inter-UE coordination request). information) message.
  • UE-B taking the communication process between terminal equipment A (denoted as UE-A) and terminal equipment B (denoted as UE-B) as an example, UE-B sends an IUC request message to UE-A, and UE- After receiving the IUC request message, A feeds back the IUC information message to UE-B; wherein, the IUC configuration information can be carried in the IUC information message, so that UE-A determines the IUC resources allocated by UE-B based on the IUC configuration information.
  • the IUC association message can be an IUC information (inter-UE coordination information) message, and the response message of the IUC association message can carry data.
  • IUC information inter-UE coordination information
  • Figure 2b here we still take the communication process between UE-A and UE-B as an example.
  • UE-A After UE-A is triggered based on preset conditions (such as based on the configured period, reference signal measurement results), UE-B sends an IUC information message, where the IUC configuration information can be carried in the IUC information message, so that UE-A determines the IUC resources allocated by UE-B based on the IUC configuration information, and transmits data on the IUC resources as The response message of this IUC association message.
  • UE-A may send an IUC information message to UE-B every fixed period.
  • the measurement result of the reference signal is the reference signal received power (RSRP) as an example.
  • RSRP reference signal received power
  • the terminal device may not necessarily receive a response message to the IUC association message (for example, the peer's device capability does not support IUC, or the peer's device capability supports IUC but the peer's current communication mode is The execution of IUC enhancement is not supported, etc.), which will cause the terminal device to continuously send IUC association messages.
  • An implementation example is shown in Figure 3.
  • the IUC request message is recorded as "request” and the IUC information message is recorded as "information”.
  • the IUC association message may be sent continuously, which will cause serious signaling overhead problems.
  • this application provides a communication method and communication device to reduce unnecessary overhead and improve communication efficiency.
  • Figure 4 is a schematic diagram of the communication method provided by this application. The method includes the following steps.
  • the first communication device determines the first number information.
  • the first communication device determines the first number information in step S401.
  • the first number information is used to instruct the first communication device to send the IUC association message to the second communication device and does not receive the IUC association message from the second communication device. 2.
  • the first communication device can determine the first number information in multiple ways in step S401.
  • the first number information can be indicated in multiple ways to indicate the first communication.
  • device to second The number of times a communication device sends an IUC association message and does not receive a response message for the IUC association message from the second communication device.
  • the first number information may include the value of the number n
  • the first time number information may include the value of the number n.
  • the number information may also include time information or other information to realize the indication of the number n.
  • the process of sending information n times may be to send the information based on a preset time interval (the preset time interval may be the same time interval or different time intervals).
  • the time information may include the value of the preset time interval corresponding to sending the n messages to indicate the value of the number n; or, the time information may include the timestamp of sending the n messages,
  • the value of the number n is indicated by the number of timestamps carried by the time information.
  • the first communication device does not receive the response message to the IUC association message from the second communication device.
  • a communication link failure between the first communication device and the second communication device causes the second communication device to fail to receive the IUC-related message, which further causes the second communication device to fail to send the IUC-related message to the first communication device.
  • the device capability of the second communication device does not support IUC.
  • the equipment capability of the second communication device supports IUC but the communication mode (such as mode 1 (mode1)) currently in the second communication device does not support the execution of IUC enhancement, resulting in that even if the second communication device receives the IUC association The message also cannot send a response message to the IUC associated message to the first communication device.
  • the reason why the first communication device does not receive the response message of the IUC association message from the second communication device may also be other ways, which are not limited here.
  • the first number information is used to indicate that the first communication device sends an IUC association message to the second communication device and does not receive a response message from the second communication device to the IUC association message.
  • the number of times includes: the first number information is used to instruct the first communication device to send an IUC association message to the second communication device, and the first communication device determines to have received the IUC association message corresponding to the second communication device.
  • Hybrid automatic repeat request acknowledgment (HARQ ACK) and determine the number of times that the response message of the IUC association message from the second communication device has not been received; wherein, the HARQ ACK corresponding to the IUC association message is used To indicate that the second communication device has received the IUC associated message.
  • HARQ ACK Hybrid automatic repeat request acknowledgment
  • the number of times indicated by the first number information determined by the first communication device may be based on receiving the HARQ ACK of the IUC association message and not receiving the IUC association message.
  • the number of response messages of the IUC association message is excluded due to the communication link failure between the first communication device and the second communication device (or the second communication device feeds back HARQ NACK, or the first communication device does not receive HARQ DTX of HARQ feedback status, etc.) causing the second communication device to be unable to feed back a response message.
  • the first communication device determines to stop sending IUC related messages based on the first threshold information and the first number information.
  • the first communication device determines to stop sending data to the second communication device based on the first threshold information and the first number information in step S402. Send this IUC association message.
  • the first communication device determines to stop sending the IUC associated message to the second communication device according to the first threshold information and the first number information including: the first communication device When the device determines that the number of times indicated by the first number information reaches the threshold indicated by the first threshold information, it determines to stop sending the IUC associated message to the second communication device. Specifically, while the first communication device continues to send IUC related messages, The first communication device may accumulate the number of times indicated by the first number information, and the first communication device determines that the number of times indicated by the first number information reaches the threshold indicated by the first threshold information. when, it is determined to stop sending the IUC association message to the second communication device to reduce signaling overhead.
  • the first communication device may also determine to stop communicating to the second The device sends the IUC associated message, which is not limited here.
  • the preset relationship may indicate that when the number of times indicated by the first count information reaches the sum of the threshold indicated by the first threshold information and the first measurement value, the first communication device may also determine to stop communicating with the second The device sends the IUC association message.
  • the value of the first measurement value is related to the result of channel measurement by the first communication device.
  • the channel busyness indicated by the channel measurement result is positively correlated with the value of the first measurement value, that is, the busier the channel indicated by the channel measurement result, the IUC sent by the first communication device
  • the association message is likely to be interfered by other information, causing the second communication device to be unable to receive the IUC association message and feed back a response message to the IUC association message.
  • the value of the first measurement value can be set to a larger value. value, so as to increase the probability that the second communication device receives the IUC association message and feeds back a response message to the IUC association message.
  • the idler the channel indicated by the channel measurement result the less likely it is that the IUC related message sent by the first communication device will be interfered with by other information, causing the second communication device to be unable to receive the IUC related message and feed back the IUC. Correlate the response message of the message.
  • the value of the first measurement value can be set to a smaller value to reduce overhead.
  • the method further includes: the first communication device receiving the first threshold information.
  • the first communication device may obtain the first threshold information by receiving the first threshold information from other devices (the other devices may include network devices or terminal devices), so that the first device can obtain the first threshold information based on the configuration of the other devices. Clarify the first threshold information.
  • this implementation can also enable the first threshold information to be determined based on the flexible configuration of other devices, so as to improve the flexibility of solution implementation.
  • the first threshold information is preconfigured information.
  • the first communication device may obtain the first threshold information by reading preconfigured information to reduce signaling overhead.
  • the first time number information determined by the first communication device in step S401 is used to indicate that the first communication device sends the inter-user equipment collaborative IUC association message to the second communication device and does not receive any information from the second communication device.
  • the first communication device may stop sending the IUC association message to the second communication device based on the first threshold information and the first number information. information.
  • the first communication device while the first communication device continues to send IUC-related messages to the second communication device, based on the setting of the first threshold information and the determination process of the first number information, the first communication device triggers to stop sending IUC-related messages. , reduce unnecessary overhead to improve communication efficiency.
  • Figure 5 is another schematic diagram of the communication method provided by this application.
  • the method includes the following steps.
  • the first communication device determines the first number information.
  • the first communication device determines the first number information in step S401.
  • the first number information is used to instruct the first communication device to send the IUC association message to the second communication device and does not receive the IUC association message from the second communication device. 2.
  • the first communication device determines to stop sending IUC related messages based on the first threshold information and the first number information.
  • the first communication device determines to stop sending data to the second communication device based on the first threshold information and the first number information in step S402. Send this IUC association message.
  • step S501 and step S502 can refer to the implementation process of step S401 and step S402, and corresponding technical effects can be achieved, which will not be described again here.
  • the first communication device starts the first timer.
  • the first communication device may use the first moment when it is determined to stop sending the IUC association message in step S502 as the moment when starting the first timer in step S503, that is, the first moment is the starting moment of the first timer;
  • the first communication device uses the second time after the first time when it is determined to stop sending IUC related messages in step S502 as the time to start the first timer in step S503, that is, the second time is the starting time of the first timer.
  • the difference between the second time and the first time is a preconfigured value or a value configured by the network device, which is not limited here.
  • the duration corresponding to the first timer is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other
  • the duration of the level is not limited here.
  • the duration corresponding to the first timer is greater than the duration corresponding to the valid time indicated by the delay constraint, wherein the delay constraint is used to indicate a valid time limiting the sending of IUC information (inter-UE coordination information).
  • the first communication device sends an IUC association message.
  • the first communication device when the first communication device determines that the first timer started in step S503 has expired, the first communication device sends the IUC association message to the second communication device in step S504; correspondingly, the second communication device in step S504 The IUC association message is received in S504.
  • the method further includes: the first The communication device starts a first timer; when the first timer times out, the first communication device sends the IUC association message to the second communication device.
  • the first communication device may start a first timer, and when the first timer times out, the first communication device The device sends the IUC association message to the second communication device to ensure that the second communication device can execute the IUC process in a timely manner.
  • the IUC association message can be implemented in multiple ways, which will be described below with reference to more embodiments.
  • Implementation Mode 1 The IUC association message is used to request IUC resources, the response message of the IUC association message is used to respond to the request, and the response message of the IUC association message includes the configuration information of the IUC resource.
  • the IUC association message sent by the first communication device is used to request the second communication device to feedback IUC resources.
  • the response message of the IUC association message is used to respond to the request and the response of the IUC association message information Including the configuration information of the IUC resource, that is, the first communication device can clarify the configuration information of the IUC resource after receiving the response message of the IUC association message, so that this solution is suitable for IUC communication scenarios based on requests from the first communication device.
  • FIG. 6a it is a schematic diagram of the implementation scenario of the above implementation mode 1, that is, UE-B sends an IUC request message (recorded as request) to UE-A and UE-B does not receive the response message fed back by UE-A.
  • UE-B can count the number of times that a response message is not received after sending the request to determine the first count information, and stop sending the request in a timely manner by setting the first threshold information.
  • UE-B serves as the first communication device in Figure 4 or Figure 5 and UE-A serves as the second communication device in Figure 4 or Figure 5.
  • the implementation process can be implemented through the process shown in Figure 6b, as shown in Figure 6b , the implementation process includes the following steps.
  • Step A After UE-B determines the value of the number of transmissions M (the initialized M value is zero), UE-B begins to send an IUC request message (recorded as request) to UE-A. For changes in the value of M, it is satisfied The following is implemented:
  • UE-B If UE-B does not receive a response message (i.e. IUC information message) within the preset time period, determine the value of M+1 and compare the value of M+1 with N, and based on the comparison As a result, the following process is executed:
  • UE-B when M is equal to N, UE-B can perform a) in step 1; or, when M is equal to N, UE-B can perform b) in step 1, which is not limited here.
  • UE-B receives a response message (i.e., IUC information message) within the preset time period, the following process is performed:
  • step A UE-B still has IUC requirements, then the value of M is 0 and is assigned the value of M in step A, and step A is executed again.
  • the preset duration may be a duration configured by the network device to UE-B or a duration preconfigured on the UE-B (for example, a duration indicated by a latency bound).
  • the value of N is the value of the threshold indicated by the first threshold information, where the first threshold information is configured by the network device to the UE-B or is preconfigured in the UE-B.
  • the accumulation process corresponding to "M+1" in step A is performed twice as an example for explanation. In practical applications, it may change as the value of N changes. For example, when the value of N is 1, UE-B only needs to perform the accumulation process corresponding to "M+1" once in Figure 6b; for another example, when the value of N is greater than 2, UE-B needs to perform the accumulation process corresponding to "M+1" in Figure 6b. Execute the accumulation process corresponding to "M+1" more times.
  • step A can also refer to the implementation process of step S401, and achieve corresponding technical effects, which will not be described again here.
  • Step B UE-B determines to stop sending the request.
  • UE-B determines in step A that M is greater than N (that is, UE-B determines that the number of times M to send requests reaches the value of threshold N), UE-B determines to stop sending requests in step B, to reduce unnecessary overhead.
  • step B can also refer to the implementation process of step S402 and achieve corresponding technical effects, which will not be described again here.
  • UE-B can also perform step C, where in step B, UE-B can start a first timer (denoted as T1), and when the timer times out, perform step C. That is, UE-B sends a request in order to receive an IUC information message (denoted as information) from UE-A, and perform IUC enhancement based on the IUC information message.
  • a first timer denoted as T1
  • IUC information message denoted as information
  • the duration corresponding to the first timer is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other
  • the duration of the level is not limited here.
  • the duration corresponding to the first timer is greater than the duration corresponding to the valid time indicated by the delay constraint.
  • step C can refer to the implementation process of step A, and will not be described in detail here.
  • step C can also refer to the implementation process of step S503 and step S504, and achieve corresponding technical effects, which will not be described again here.
  • Figure 6c it is another schematic diagram of the implementation scenario of the above implementation mode 1, that is, UE-B sends an IUC request message (recorded as request) to UE-A and UE-B does not receive the response message fed back by UE-A.
  • IUC request message recorded as request
  • Figure 6c introduces the implementation process of HARQ feedback enablement.
  • UE-B serves as the first communication device in Figure 4 or Figure 5 and UE-A serves as the second communication device in Figure 4 or Figure 5.
  • the implementation process can be implemented through the process shown in Figure 6c, as shown in Figure 6c , the implementation process includes the following steps.
  • Step D After UE-B determines the value of the number of transmissions M (the initialized M value is zero), UE-B begins to send an IUC request message (recorded as request) to UE-A. For changes in the value of M, it is satisfied The following is implemented:
  • UE-B If within the preset time period, if UE-B does not receive a response message (i.e. IUC information message) and UE receives HARQ ACK, determine the value of M+1 and compare the value of M+1 with N Compare and perform the following process based on the comparison results:
  • UE-B when M is equal to N, UE-B can perform a) in step 1; or, when M is equal to N, UE-B can perform b) in step 1, which is not limited here.
  • UE-B receives a response message (i.e., IUC information message) within the preset time period, the following process is performed:
  • step D UE-B still has IUC requirements, then the value of M is 0 and is assigned the value of M in step D, and step D is executed again.
  • UE-B determines that the value of M is not Change and assign the unchanged value of M to the value of M in step D, and execute step D again.
  • the preset duration may be a duration configured by the network device to UE-B or a duration preconfigured on the UE-B (for example, a duration indicated by a latency bound).
  • the value of N is the value of the threshold indicated by the first threshold information, where the first threshold information is configured by the network device to the UE-B or is preconfigured in the UE-B.
  • the accumulation process corresponding to "M+1" in step D is performed twice as an example for explanation. In practical applications, it may change as the value of N changes. For example, when the value of N is 1, UE-B only needs to perform one step in Figure 6c The accumulation process corresponding to "M+1"times; for another example, when the value of N is greater than 2, UE-B needs to perform the accumulation process corresponding to "M+1" more times in Figure 6c.
  • step D can also refer to the implementation process of step S401, and achieve corresponding technical effects, which will not be described again here.
  • Step E UE-B determines to stop sending the request.
  • UE-B determines in step D that M is greater than N (that is, UE-B determines that the number of times M to send requests reaches the value of threshold N), UE-B determines to stop sending requests in step E, to reduce unnecessary overhead.
  • step E can also refer to the implementation process of step S402, and achieve corresponding technical effects, which will not be described again here.
  • UE-B can also perform step F, where in step E, UE-B can start a first timer (denoted as T1), and when the timer times out, perform step F. That is, UE-B sends a request in order to receive an IUC information message (denoted as information) from UE-A, and perform IUC enhancement based on the IUC information message.
  • a first timer denoted as T1
  • IUC enhancement based on the IUC information message.
  • the duration corresponding to the first timer is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other
  • the duration of the level is not limited here.
  • the duration corresponding to the first timer is greater than the duration corresponding to the valid time indicated by the delay constraint.
  • step F the implementation process of sending the request in step F can refer to the implementation process of step D, and will not be described in detail here.
  • step F can also refer to the implementation process of step S503 and step S504, and achieve corresponding technical effects, which will not be described again here.
  • the IUC association message carries configuration information of IUC resources, and the resources configured in the configuration information of IUC resources are associated with resources that carry the response message of the IUC association message.
  • the IUC association message sent by the first communication device carries the configuration information of the IUC resource.
  • the response message is associated with the IUC resource for data transmission indicated by the configuration information of the IUC resource carried in the IUC association message.
  • resource that is, the data from the second communication device can be received on the associated resource of the resource indicated by the configuration information of the IUC resource, so that the solution is suitable for IUC communication scenarios based on the transmission of IUC configuration information.
  • the IUC configuration information can be triggered based on preset conditions.
  • the preset condition triggering can include triggering based on a preconfigured period, triggering based on measurement results of a reference signal, or triggering on other conditions. This There are no restrictions anywhere.
  • the configuration information of the IUC resource may include configuration information for configuring the first resource, and the response message of the IUC association message is carried in the first resource, where the first resource is the first communication device. Desired resources for carrying data from the second communications device. Specifically, the configuration information of the IUC resource includes configuration information for configuring the first resource desired by the first communication device for carrying data from the second communication device. Correspondingly, the response message is carried on the first communication device. resource, so that the first communication device can use the judgment result of whether data from the second communication device is received on the first resource as one of the basis for determining the first number information.
  • the first resource may also be called a preferred resource and satisfies at least one of the following:
  • the preferred resources are reserved resources indicated by the sideline control information format 1-A (SCI format 1-A) and have no overlapping resources.
  • the terminal equipment (such as the first communication device or the second communication device) expects that when performing sidelink data reception, the sidelink data is carried on the preferred resource.
  • the terminal device after receiving the preferred resource, it will combine its own sensing (sensing) resource results and take the intersection of the preferred resources and the sensing results, that is, both the preferred resources and the sensing results will include Data transmission is performed on the resources. If there is no intersection, the result of its own sensing will be the main one.
  • the method further includes: based on the capability information of the second communication device The first threshold information is determined, wherein the capability information of the second communication device is used to indicate whether the second communication device supports resource awareness.
  • the first communication device may use The first threshold information is determined based on capability information of the second communication device indicating whether the second communication device supports resource awareness.
  • the first threshold information which is one of the basis for determining to stop sending IUC related messages, is related to the capability information of the second communication device, so that the first communication device can determine different third threshold information based on the capability information of the second communication device.
  • a threshold information improves the flexibility of solution implementation.
  • the threshold indicated by the first threshold information is greater than the threshold value indicated when the capability information of the second communication device is used to indicate that the second communication device supports resource sensing.
  • the second communication device does not support the threshold indicated by the first threshold information when resource sensing is performed.
  • the threshold indicated by the first threshold information is greater than the threshold value indicated when the capability information of the second communication device is used to indicate that the second communication device supports resource sensing.
  • the communication device does not support the threshold indicated by the first threshold information when sensing resources.
  • the data sent by the second communication device can Carried on the first resource or the resource obtained by the second communication device performing resource awareness; if the capability information of the second communication device indicates that the second communication device does not support resource awareness, the second communication device receives the configuration information of the IUC resource After the first resource is configured, the data sent by the second communication device needs to be carried on the first resource. It can be seen that if the capability information of the second communication device indicates the latter, the second communication device is more likely to use the IUC resource. The first resource configured by the configuration information.
  • the capability information of the second communication device indicates a threshold value indicated by the first threshold information when the second communication device supports resource sensing, which is greater than the threshold value indicated by the capability information of the second communication device when the second communication device does not support resource sensing.
  • the threshold indicated by the first threshold information is greater than the threshold value indicated by the capability information of the second communication device when the second communication device does not support resource sensing.
  • the configuration information of the IUC resource may include configuration information for configuring the second resource, and the response message of the IUC association message is carried in other resources besides the second resource, where the second resource is Resources not intended by the first communications device for carrying data from the second communications device.
  • the configuration information of the IUC resource includes configuration information for configuring a second resource that is not expected by the first communication device and is used to carry data from the second communication device.
  • the response message of the IUC association message resources other than the second resource, so that The first communication device may use the determination result of whether data from the second communication device is received on the second resource as one of the basis for determining the first number information.
  • the second resource may also be called a non-preferred resource and satisfies at least one of the following:
  • the non-preferred resources are reserved resources indicated by the sideline control information format 1-A (SCI format 1-A);
  • the terminal equipment (such as the first communication device or the second communication device) expects that when performing sidelink data reception, the sidelink data is carried on other resources other than the non-preferred resource (or the side Downlink data is not carried on this non-preferred resource).
  • a certain terminal device after receiving non-preferred resources, it will combine its own sensing resource results, remove the non-preferred resources, and select to transmit data among the remaining resources. Similarly If there is a conflict, the own sensing result will take precedence.
  • FIG. 7a it is a schematic diagram of the implementation scenario of the above implementation mode 2, that is, UE-A sends an IUC information message (recorded as information) to UE-B and UE-A does not receive the response message fed back by UE-B.
  • the resource carrying the response message is associated with the IUC resource configured in the IUC information message, and is recorded as data transmitted through preferred/non-preferred resources (data via preferred/non-preferred resources).
  • UE-B can count the number of times that a response message is not received after sending information to determine the first count information, and stop sending information in a timely manner by setting the first threshold information.
  • UE-A serves as the first communication device in Figure 4 or Figure 5 and UE-B serves as the second communication device in Figure 4 or Figure 5.
  • the implementation process can be implemented through the process shown in Figure 7b, as shown in Figure 7b , the implementation process includes the following steps.
  • the HARQ feedback mechanism is enabled and the resource configured by UE-A to UE-B is the first resource
  • UE-A executes step G, step K and step L in Figure 7b.
  • the first resource is a resource expected by the first communication device to carry data from the second communication device, and the first resource may also be called a preferred resource.
  • Step G After UE-A determines the value of the number of transmissions M (the initialized M value is zero), UE-A begins to send an IUC information message to UE-B and the IUC configuration carried in the IUC information message is used to configure the first resource. (denoted as information (preferred)), for changes in the value of M, the following implementation methods are satisfied:
  • UE-A does not receive the response message (that is, it does not receive the message carried on the preferred resource) and receives HARQ ACK, then determine the value of M+1 and compare the value of M+1 with N Compare and perform the following process based on the comparison results:
  • UE-A when M is equal to N, UE-A can perform a) in step 1; or, when M is equal to N, UE-A can perform b) in step 1, which is not limited here.
  • UE-A receives the response message (that is, receives the message carried on the preferred resource), then perform the following process:
  • step G If UE-A still has IUC requirements, the value of M is 0 and is assigned the value of M in step G, and step G is executed again.
  • UE-A determines that the value of M remains unchanged and M remains unchanged. The value of is assigned to the value of M in step G, and step G is executed again.
  • the value of N is the value of the threshold indicated by the first threshold information, where the first threshold information is configured by the network device to UE-B or preconfigured in the UE-A.
  • step G can also refer to the implementation process of step S401 and achieve corresponding technical effects, which will not be described again here.
  • Step K UE-A determines to stop sending information.
  • UE-A determines in step G that M is greater than N (that is, UE-A determines that the number of times M to send information reaches the value of threshold N), UE-A determines to stop sending information in step K, to reduce unnecessary overhead.
  • step K can also refer to the implementation process of step S402 and achieve corresponding technical effects, which will not be described again here.
  • UE-A can also perform step L, where in step K, UE-A can start a first timer (denoted as T1), and when the timer times out, perform step L. That is, UE-A sends information in order to receive a response message from UE-B to achieve IUC enhancement.
  • a first timer denoted as T1
  • the duration corresponding to the first timer is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other
  • the duration of the level is not limited here.
  • the duration corresponding to the first timer is greater than the duration corresponding to the valid time indicated by the delay constraint.
  • step L the implementation process of sending information in step L can refer to the implementation process of step G, and will not be described in detail here.
  • step L can also refer to the implementation process of step S503 and step S504, and achieve corresponding technical effects, which will not be described again here.
  • the HARQ feedback mechanism is not enabled and the resource configured by UE-A to UE-B is the first resource, UE-A performs step H, step K and step L in Figure 7b.
  • the first resource is a resource expected by the first communication device to carry data from the second communication device, and the first resource may also be called a preferred resource.
  • Step H After UE-A determines the value of the number of transmissions M (the initialized M value is zero), UE-A starts sending an IUC information message to UE-B and the IUC configuration carried in the IUC information message is used to configure the first resource. (denoted as information (preferred)), for changes in the value of M, the following implementation methods are satisfied:
  • UE-A If UE-A does not receive the response message (that is, it does not receive the message carried on the preferred resource), then determine the value of M+1, compare the value of M+1 with N, and based on The comparison results are performed as follows:
  • UE-A when M is equal to N, UE-A can perform a) in step 1; or, when M is equal to N, UE-A can perform b) in step 1, which is not limited here.
  • UE-A receives the response message (that is, receives the message carried on the preferred resource), then perform the following process:
  • step H If UE-A still has IUC requirements, the value of M is 0 and is assigned the value of M in step G, and step H is executed again.
  • the value of N is the value of the threshold indicated by the first threshold information, where the first threshold information is configured by the network device to UE-B or preconfigured in the UE-A.
  • step H can also refer to the implementation process of step S401, and achieve corresponding technical effects, which will not be described again here.
  • Step K UE-A determines to stop sending information.
  • UE-A determines in step H that M is greater than N (that is, UE-A determines that the number of times M to send information reaches the value of threshold N), UE-A determines to stop sending information in step K, to reduce unnecessary overhead.
  • step K can also refer to the implementation process of step S402 and achieve corresponding technical effects, which will not be described again here.
  • UE-A can also perform step L, where in step K, UE-A can start a first timer (denoted as T1), and when the timer times out, perform step L. That is, UE-A sends information in order to receive a response message from UE-B to achieve IUC enhancement.
  • a first timer denoted as T1
  • the duration corresponding to the first timer is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other
  • the duration of the level is not limited here.
  • the duration corresponding to the first timer is greater than the duration corresponding to the valid time indicated by the delay constraint.
  • step K can refer to the implementation process of step H, and will not be described in detail here.
  • step L can also refer to the implementation process of step S503 and step S504, and achieve corresponding technical effects, which will not be described again here.
  • the HARQ feedback mechanism is enabled and the resource configured by UE-A to UE-B is the second resource, UE-A performs step I, step K and step L in Figure 7b.
  • the second resource is a resource that is not expected by the first communication device and is used to carry data from the second communication device.
  • the second resource may also be called a non-preferred resource.
  • Step I After UE-A determines the value of the number of transmissions M (the initialized M value is zero), UE-A starts sending an IUC information message to UE-B and the IUC configuration carried in the IUC information message is used to configure the second resource. (denoted as information (non-preferred)), for changes in the value of M, the following implementation methods are satisfied:
  • UE-A receives a response message on a non-preferred resource (or UE-A does not receive a message carried on other resources other than non-preferred resources) and receives a HARQ ACK, then determine M +1 value, compare the value of M+1 with N, and perform the following process based on the comparison result:
  • UE-A when M is equal to N, UE-A can perform a) in step 1; or, when M is equal to N, UE-A can perform b) in step 1, which is not limited here.
  • UE-A If UE-A does not receive the response message on the non-preferred resource (or UE-A receives the message carried on other resources other than the non-preferred resource), then perform the following process:
  • step I If UE-A still has IUC requirements, the value of M is 0 and is assigned the value of M in step I, and step I is performed again.
  • UE-A determines that the value of M remains unchanged and assigns the unchanged value of M to the value of M in step I, and performs step I again.
  • the value of N is the value of the threshold indicated by the first threshold information, where the first threshold information is configured by the network device to UE-B or preconfigured in the UE-A.
  • step I can also refer to the implementation process of step S401, and achieve corresponding technical effects, which will not be described again here.
  • Step K UE-A determines to stop sending information.
  • UE-A determines in step G that M is greater than N (that is, UE-A determines that the number of times M to send information reaches the value of threshold N), UE-A determines to stop sending information in step K, to reduce unnecessary overhead.
  • step K can also refer to the implementation process of step S402 and achieve corresponding technical effects, which will not be described again here.
  • UE-A can also perform step L, where in step K, UE-A can start a first timer (denoted as T1), and when the timer times out, perform step L. That is, UE-A sends information in order to receive a response message from UE-B to achieve IUC enhancement.
  • a first timer denoted as T1
  • the duration corresponding to the first timer is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other
  • the duration of the level is not limited here.
  • the duration corresponding to the first timer is greater than the duration corresponding to the valid time indicated by the delay constraint.
  • step L the implementation process of sending information in step L can refer to the implementation process of step I, and will not be described in detail here.
  • step L can also refer to the implementation process of step S503 and step S504, and achieve corresponding technical effects, which will not be described again here.
  • the HARQ feedback mechanism is not enabled and the resource configured by UE-A to UE-B is the second resource, UE-A performs step J, step K and step L in Figure 7b.
  • the second resource is a resource that is not expected by the first communication device and is used to carry data from the second communication device.
  • the second resource may also be called a non-preferred resource.
  • Step J After UE-A determines the value of the number of transmissions M (the initialized M value is zero), UE-A begins to send an IUC information message to UE-B and the IUC configuration carried in the IUC information message is used to configure the second resource. (denoted as information (non-preferred)), for changes in the value of M, the following implementation methods are satisfied:
  • UE-A If UE-A receives a response message on a non-preferred resource (or UE-A does not receive a message carried on other resources than non-preferred resources), then determine the value of M+1 , and compare the value of M+1 with N, and perform the following process based on the comparison result:
  • UE-A when M is equal to N, UE-A can perform a) in step 1; or, when M is equal to N, UE-A can perform b) in step 1, which is not limited here.
  • UE-A If UE-A does not receive the response message on the non-preferred resource (or UE-A receives the message carried on other resources other than the non-preferred resource), then perform the following process:
  • step J If UE-A still has IUC requirements, the value of M is 0 and is assigned the value of M in step J, and step J is executed again.
  • the value of N is the value of the threshold indicated by the first threshold information, where the first threshold information is configured by the network device to UE-B or preconfigured in the UE-A.
  • step J can also refer to the implementation process of step S401, and achieve corresponding technical effects, which will not be described again here.
  • Step K UE-A determines to stop sending information.
  • UE-A determines in step G that M is greater than N (that is, UE-A determines that the number of times M to send information reaches the value of threshold N), UE-A determines to stop sending information in step K, to reduce unnecessary overhead.
  • step K can also refer to the implementation process of step S402 and achieve corresponding technical effects, which will not be described again here.
  • UE-A can also perform step L, where in step K, UE-A can start a first timer (denoted as T1), and when the timer times out, perform step L. That is, UE-A sends information in order to receive a response message from UE-B to achieve IUC enhancement.
  • a first timer denoted as T1
  • the duration corresponding to the first timer is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other
  • the duration of the level is not limited here.
  • the duration corresponding to the first timer is greater than the duration corresponding to the valid time indicated by the delay constraint.
  • step L the implementation process of sending information in step L can refer to the implementation process of step I, and will not be described in detail here.
  • step L can also refer to the implementation process of step S503 and step S504, and achieve corresponding technical effects, which will not be described again here.
  • IUC association messages can be carried in the media access control (media access control, MAC) layer or physical layer transmission.
  • the IUC association message can be specifically included in the MAC layer.
  • CE transmitted MAC control element
  • SCI format 2-C side row control information format 2-c
  • the transmission of "IUC configuration information" mainly involved in the IUC association message can also be carried in other protocol layers for transmission implementation process, which will be introduced below in conjunction with more embodiments.
  • Figure 8 is another schematic diagram of the communication method provided by this application.
  • the method includes the following steps.
  • the first communication device sends a first sidelink RRC message.
  • the first communication device sends a first sidelink RRC message to the second communication device in step S801, where the first sidelink RRC message includes IUC configuration information.
  • the second communication device receives the first sidelink RRC message in step S801.
  • the IUC configuration information includes at least one of the following parameters:
  • Latency bound indicating the validity time limit for sending IUC information (inter-UE coordination information).
  • IUC scheme 1 (interUECoordinationScheme1) indicates that the resources configured by the IUC configuration information are preferred resources or non-preferred resources; or,
  • IUC scheme 2 (interUECoordinationScheme2) indicates that there is a resource conflict between the resources configured in the IUC configuration information and other resources.
  • the other resources include resources allocated by the first communication device to other communication devices;
  • Transmission scheme indicates that the IUC configuration information is an IUC based on a request mechanism or an IUC based on condition triggering.
  • step S801 before the first communication device sends the first sidelink RRC message to the second communication device, the method further includes: the first communication device receives from the Third indication information of the second communication device, the third indication information is used to indicate capability information of the second communication device, and the capability information is used to indicate support for IUC.
  • the first communication device may also receive a message from the second communication device indicating that the second communication device The third indication information supporting IUC enables the first communication device to send the first sidelink RRC message containing the IUC configuration information to the second communication device only when it is clear that the second communication device supports IUC, so as to improve The success rate of performing the IUC process.
  • the second communication device sends a second sidelink RRC message.
  • the second communication device sends a second sidelink RRC message to the first communication device in step S802.
  • the second sidelink RRC message includes first information, and the first information is used to indicate the IUC. Failed to configure configuration information.
  • the first communication device receives the second sidelink RRC message from the second communication device in step S802.
  • the first information carried by the second sidelink RRC message includes any of the following: first indication information, used to indicate that the IUC configuration information is not executed by the second communication device.
  • the IUC configuration information configuration fails; or, the second indication information is used to indicate that the mode of the second communication device does not support IUC, resulting in the IUC configuration Information configuration failed.
  • the first information can be implemented by any of the above methods to indicate the IUC configuration information configuration failure to the first communication device, so that after the first communication device receives the first information, the first communication device can based on the first communication device.
  • a message specifies the reason why the configuration of the second communication device failed.
  • the second communication device when at least one of the following is satisfied, sends a second sidelink RRC message to the first communication device, including: the capability information of the second communication device indicates the The second communication device supports IUC; or, the second communication device is determined to be in mode 1 (mode 1).
  • the triggering method for the second communication device to send the first information indicating the configuration failure of the IUC configuration information to the first communication device may include at least one of the above; in other words, when at least one of the above is satisfied, the second communication device First information indicating failure to configure the IUC configuration information will be sent to the first communication device.
  • sidelink RRC reconfiguration messages can be used to carry certain resource configuration information between different terminal devices.
  • sidelink RRC reconfiguration is to modify the RRC connection, such as when it is necessary to establish, modify or release sidelink data resource bearers (SL DRBs), (re)configure NR SL measurement and reporting, etc.
  • a terminal device when a terminal device receives the sidelink RRC reconfiguration message (RRCReconfigurationSidelink) of the peer terminal device, if the terminal device cannot apply the configuration in the RRC reconfiguration message , that is, the capability required by the current configuration is not supported by the terminal device, then the RRC reconfiguration fails this time, and the terminal device feeds back a sidelink RRC reconfiguration failure message (RRCReconfigurationFailureSidelink) to the opposite terminal device.
  • RRCReconfigurationSidelink sidelink RRC reconfiguration message
  • the first sidelink RRC message sent by the first communication device in step S801 may be a sidelink RRC reconfiguration message
  • the second sidelink RRC message sent by the second communication device in step S802 The uplink RRC message may be a sidelink RRC reconfiguration complete message.
  • the first sidelink RRC message containing the IUC configuration information sent by the first communication device is a sidelink RRC reconfiguration message to instruct the second communication device based on the first sidelink RRC messages perform the process of RRC reconfiguration.
  • the second sidelink RRC message received by the first communication device from the second communication device is a sidelink RRC reconfiguration complete message to indicate that the second communication device has completed the sidelink RRC. The process of reconfiguration.
  • the second sidelink RRC message also contains the first information indicating that the IUC configuration information has not been executed, resulting in a configuration failure
  • the sidelink RRC reconfiguration completion message and the first information jointly indicate that the IUC configuration information has not been executed.
  • the second communication device has completed other RRC reconfiguration processes except the IUC configuration information.
  • the first sidelink RRC message sent by the first communication device in step S801 may be a sidelink RRC reconfiguration message
  • the second sidelink RRC message sent by the second communication device in step S802 The uplink RRC message may be a sidelink RRC reconfiguration failure message.
  • the first sidelink RRC message containing the IUC configuration information sent by the first communication device is a sidelink RRC reconfiguration message to instruct the second communication device based on the first sidelink RRC messages perform the process of RRC reconfiguration.
  • the second sidelink RRC message received by the first communication device from the second communication device is a sidelink RRC reconfiguration failure message, which is used to instruct the second communication device to attempt to perform sidelink RRC reconfiguration. Configuration message and the process of performing RRC reconfiguration of this sidelink failed.
  • step S802 after the first communication device receives the second sidelink RRC message from the second communication device, the method further includes: the first communication device starts the second communication device. A timer; when the first timer times out, the first communication device sends a third sidelink RRC message to the second communication device, where the third sidelink RRC message includes the IUC configuration information.
  • the first communication device may start a first timer, and when the first timer times out, The first communication device sends a third sidelink RRC message including the IUC configuration information to the second communication device to ensure that the second communication device can perform the IUC process based on the IUC configuration information in a timely manner.
  • the first communication device after the first communication device sends the first sidelink RRC message containing the IUC configuration information to the second communication device in step S801, the first communication device receives the message from the second communication device in step S802. a second sidelink RRC message, the second sidelink RRC message including first information indicating a configuration failure of the IUC configuration information.
  • the first communication device after receiving the second sidelink RRC message including the first information indicating the configuration failure of the IUC configuration information, the first communication device causes the first communication device to clarify the second communication based on the first information.
  • the device is currently not configured based on the IUC configuration information and therefore cannot perform the IUC process, and determines not to start the IUC process with the second communication device to reduce unnecessary overhead.
  • the duration corresponding to the first timer is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other
  • the duration of the level is not limited here.
  • the duration corresponding to the first timer is greater than the duration corresponding to the valid time indicated by the delay constraint.
  • FIG. 8 taking the first communication device as UE-A and the second communication device as UE-B as an example, the implementation example includes the following steps.
  • Step M UE-A sends its own IUC capability indication to UE-B.
  • the IUC capability indicates that UE-A supports IUC.
  • step M is an optional step.
  • Step N UE-B sends a sidelink RRC reconfiguration message containing IUC configuration information (carrying IUC-related configuration parameters) to UE-A.
  • Step O UE-A receives the RRC reconfiguration message.
  • UE-A considers that the current RRC reconfiguration is completed and replies an RRC reconfiguration complete message to UE-B. However, UE-A will not apply the IUC-related configuration to perform IUC operations. Specifically, UE-A can retain the IUC-related configuration parameters. Then UE-A carries indication information in the RRC reconfiguration complete message. The indication information indicates to UE-B that the current IUC configuration has not been executed. It can also be understood as indicating that UE-A cannot execute IUC in the current mode. Correspondingly, after UE-B receives the indication information in the feedback sidelink RRC reconfiguration completion message, it does not perform the IUC related process.
  • the RRC reconfiguration failure message also includes indication information, which is used to indicate to UE-B that the current configuration failure is caused by the IUC configuration, and can also be understood as indicating that UE-A cannot perform the current mode. IUC. After receiving the feedback message, UE-B also falls back to the configuration before sending the RRC reconfiguration message, that is, it no longer performs the IUC-related process.
  • UE-A executes this message and feeds back the sidelink RRC reconfiguration success message to UE-B. After receiving the feedback message, UE-B performs IUC related processes.
  • a timer T2 can be introduced into the above process to ensure that UE-B can perform IUC in time when it is able to perform IUC. Start the timer (denoted as T2) after step O, and when the timer expires, execute steps P and Q.
  • the duration corresponding to the timer T2 is a duration at the minute level (for example, k minutes, and k is greater than or equal to 1), an hour-level duration (for example, k hours, and k is greater than or equal to 1), or other levels.
  • the duration is not limited here. Further optionally, the duration corresponding to the timer T2 is greater than the duration corresponding to the valid time indicated by the delay constraint.
  • step P and step Q can refer to the implementation process of step N and step O, and achieve corresponding technical effects, which will not be described again here.
  • IUC information is exchanged at the RRC configuration level, that is, the IUC-related configuration parameters are included in the RRC reconfiguration message. If the UE cannot perform IUC (for example, in mode 1), the IUC information is exchanged at the RRC reconfiguration level.
  • the feedback information includes information that IUC cannot be performed, notifying the opposite UE so that the opposite UE does not start the IUC process to avoid unnecessary overhead.
  • the UE starts the timer after it stops continuously sending RRC messages. When the timer stops, the UE resends the RRC reconfiguration message to ensure that IUC is performed in time when the opposite UE is able to perform IUC.
  • FIG 11 is a schematic diagram of a communication device 1100 provided in this application.
  • the communication device 1100 includes a processing unit 1101 and a transceiver unit 1102. Among them, the communication device 1100 can realize the functions of any communication device (such as the first communication device or the second communication device) in the above method embodiments, and therefore can also realize the beneficial effects of the above method embodiments.
  • the communication device 1100 may be a terminal device, or an integrated circuit or component inside the terminal device, such as a chip.
  • the processing unit 1101 and the transceiver unit included in the device 1100 1102 is used to implement the following process.
  • the processing unit is used to determine the first number information.
  • the first number information is used to instruct the transceiver unit to send the inter-user equipment collaborative IUC association message to the second communication device and not receive the IUC from the second communication device.
  • the processing unit determines to stop sending the IUC associated message to the second communication device according to the first threshold information and the first number information.
  • the transceiver unit is also configured to receive the first threshold information.
  • the first threshold information is preconfigured information.
  • the IUC association message is used to request IUC resources
  • the response message of the IUC association message is used to respond to the request
  • the response message of the IUC association message includes the configuration information of the IUC resource
  • the IUC association message carries configuration information of IUC resources, and the resources configured in the configuration information of IUC resources are associated with resources that carry the response message of the IUC association message.
  • the configuration information of the IUC resource includes configuration information for configuring the first resource, and the response message of the IUC association message is carried on the first resource, where the first resource is the first resource.
  • the processing unit is further configured to determine the first threshold information based on capability information of the second communication device, wherein the capability information of the second communication device is used to indicate whether the second communication device Support resource awareness.
  • the threshold indicated by the first threshold information is greater than the threshold indicated by the capability information of the second communication device.
  • the threshold indicated by the first threshold information is used to indicate that the second communication device does not support resource awareness.
  • the configuration information of the IUC resource includes configuration information for configuring the second resource, and the response message of the IUC association message is carried in other resources besides the second resource, wherein the second resource
  • the resources are resources that are not intended by the first communication device for carrying data from the second communication device.
  • the processing unit configured to determine to stop sending the IUC association message to the second communication device according to the first threshold information and the first number information includes:
  • the processing unit is configured to determine to stop sending the IUC associated message to the second communication device when the number of times indicated by the first number information reaches the threshold indicated by the first threshold information.
  • the processing unit is also used to start the first timer
  • the transceiver unit is configured to send the IUC association message to the second communication device when the processing unit determines that the first timer has expired.
  • the first time number information is used to indicate that the transceiver unit sent the IUC association message to the second communication device and did not receive a response message to the IUC association message from the second communication device.
  • the times include:
  • the first time information is used to instruct the transceiver unit to send the IUC association message to the second communication device, and the processing unit determines that the hybrid automatic repeat request confirmation HARQ ACK corresponding to the IUC association message from the second communication device is received. , and determine the number of times that a response message to the IUC association message from the second communication device has not been received; wherein the HARQ ACK corresponding to the IUC association message is used to indicate that the second communication device has received the IUC association message.
  • the processing unit 1101 and the transceiver included in the device 1100 Unit 1102 is used to implement the following process.
  • the processing unit is used to determine a first sidelink radio resource control RRC message, where the first sidelink RRC message includes inter-user equipment collaborative IUC configuration information;
  • the transceiver unit is used to send the first sidelink RRC message to the second communication device;
  • the transceiver unit is also configured to receive a second sidelink RRC message from the second communication device.
  • the second sidelink RRC message includes first information, and the first information is used to indicate that the IUC configuration information configuration fails. .
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is a sidelink RRC reconfiguration complete message
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is a sidelink RRC reconfiguration failure message
  • the first information includes any of the following:
  • the first indication information is used to indicate that the IUC configuration information has not been executed by the second communication device, causing the configuration of the IUC configuration information to fail; or,
  • the second indication information is used to indicate that the mode in which the second communication device is located does not support IUC, causing the configuration of the IUC configuration information to fail.
  • the processing unit is also used to start the first timer
  • the transceiver unit is also configured to send a third sidelink RRC message to the second communication device when the processing unit determines that the first timer has expired, where the third sidelink RRC message includes the IUC configuration information.
  • the transceiver unit is also configured to receive third indication information from the second communication device.
  • the third indication information is used to indicate capability information of the second communication device.
  • the capability information is used to indicate support for IUC.
  • the processing unit 1101 and the transceiver included in the device 1100 Unit 1102 is used to implement the following process.
  • the transceiver unit is configured to receive a first sidelink radio resource control RRC message from the first communication device, where the first sidelink RRC message includes inter-user equipment collaborative IUC configuration information;
  • the processing unit is used to determine a second sidelink RRC message, the second sidelink RRC message includes first information, the first information is used to indicate that the IUC configuration information configuration fails;
  • the transceiver unit is also used to send the second sidelink RRC message to the first communication device.
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is an RRC sidelink reconfiguration complete message
  • the first sidelink RRC message is a sidelink RRC reconfiguration message
  • the second sidelink RRC message is an RRC sidelink reconfiguration failure message
  • the transceiver unit when at least one of the following is satisfied, sends a second sidelink RRC message to the first communication device, including:
  • the processing unit determines that the capability information of the second communication device indicates that the second communication device supports IUC; or,
  • the processing unit determines that the second communication device is determined to be in mode 1 mode1.
  • the first information includes any of the following:
  • the first indication information is used to indicate that the IUC configuration information has not been executed by the second communication device, causing the configuration of the IUC configuration information to fail; or,
  • the second indication information is used to indicate that the mode in which the second communication device is located does not support IUC, causing the configuration of the IUC configuration information to fail.
  • the transceiver unit is also configured to send third indication information to the first communication device.
  • the third indication information is used to indicate capability information of the second communication device.
  • the capability information is used to indicate support for IUC.
  • FIG. 12 is another schematic structural diagram of a communication device 1200 provided in this application.
  • the communication device 1200 at least includes an input and output interface 1202 .
  • the communication device 1200 may be a chip or an integrated circuit.
  • the communication device also includes a logic circuit 1201.
  • the transceiver unit 1102 shown in FIG. 11 may be a communication interface, and the communication interface may be the input-output interface 1202 in FIG. 12.
  • the input-output interface 1202 may include an input interface and an output interface.
  • the communication interface may also be a transceiver circuit, and the transceiver circuit may include an input interface circuit and an output interface circuit.
  • the logic circuit 1201 and the input-output interface 1202 can perform other steps performed by the terminal device in any of the foregoing embodiments and achieve corresponding beneficial effects, which will not be described again here.
  • the processing unit 1101 shown in FIG. 11 may be the logic circuit 1201 in FIG. 12 .
  • the logic circuit 1201 may be a processing device, and the functions of the processing device may be partially or fully implemented through software. Among them, the functions of the processing device can be partially or fully implemented through software.
  • the processing device may include a memory and a processor, wherein the memory is used to store a computer program, and the processor reads and executes the computer program stored in the memory to perform corresponding processing and/or steps in any method embodiment. .
  • the processing means may comprise only a processor.
  • the memory for storing computer programs is located outside the processing device, and the processor is connected to the memory through circuits/wires to read and execute the computer programs stored in the memory.
  • the memory and processor can be integrated together, or they can also be physically independent of each other.
  • the processing device may be one or more chips, or one or more integrated circuits.
  • the processing device may be one or more field-programmable gate arrays (FPGA), application specific integrated circuit (ASIC), system on chip (SoC), central processing unit (central processor unit, CPU), network processor (network processor, NP), digital signal processing circuit (digital signal processor, DSP), microcontroller unit (micro controller unit, MCU), programmable logic device, PLD) or other integrated chips, or any combination of the above chips or processors, etc.
  • FPGA field-programmable gate arrays
  • ASIC application specific integrated circuit
  • SoC system on chip
  • central processing unit central processor unit, CPU
  • network processor network processor
  • NP network processor
  • DSP digital signal processing circuit
  • microcontroller unit microcontroller unit
  • microcontroller unit micro controller unit, MCU
  • PLD programmable logic device
  • FIG. 13 is a communication device 1300 involved in the above embodiment provided by an embodiment of the present application.
  • the communication device 1300 may be the communication device serving as the terminal device in the above embodiment.
  • the communication device 1300 may include but is not limited to at least one processor 1301 and a communication port 1302.
  • the device may also include at least one of a memory 1303 and a bus 1304.
  • the at least one processor 1301 is used to control the actions of the communication device 1300.
  • the processor 1301 may be a central processing unit, a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field-programmable gate array or other programmable logic device, a transistor logic device, a hardware component, or any combination thereof. It may implement or execute the various illustrative logical blocks, modules, and circuits described in connection with this disclosure.
  • the processor may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a digital signal processor and a microprocessor, and so on.
  • the communication device 1300 shown in Figure 13 can be specifically used to implement the steps implemented by the communication device (such as the first communication device or the second communication device) in the aforementioned method embodiment, and to achieve the corresponding technical effects of the communication device,
  • the communication device shown in Figure 13 can be specifically used to implement the steps implemented by the communication device (such as the first communication device or the second communication device) in the aforementioned method embodiment, and to achieve the corresponding technical effects of the communication device,
  • the communication device shown in Figure 13 can be specifically used to implement the steps implemented by the communication device (such as the first communication device or the second communication device) in the aforementioned method embodiment, and to achieve the corresponding technical effects of the communication device.
  • Embodiments of the present application also provide a computer-readable storage medium that stores one or more computer-executable instructions.
  • the processor executes the communication device (such as the first communication device) as in the foregoing embodiments. or second communication device) possible implementation methods.
  • Embodiments of the present application also provide a computer program product (or computer program) that stores one or more computers.
  • the processor executes the above-mentioned communication device (for example, the first communication device or the computer program). second communication device) possible implementation methods.
  • Embodiments of the present application also provide a chip system, which includes at least one processor and is used to support the communication device in implementing the functions involved in the possible implementation manners of the communication device.
  • the chip system further includes an interface circuit that provides program instructions and/or data to the at least one processor.
  • the chip system may also include a memory for storing necessary program instructions and data of the communication device.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the communication device may be the first communication device or the second communication device in the aforementioned method embodiment.
  • An embodiment of the present application also provides a communication system.
  • the network system architecture includes the communication device (for example, the first communication device and/or the second communication device) in any of the above embodiments.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, or each functional unit can be integrated into one processing unit.
  • the above integrated units can be implemented in the form of hardware or software functional units. If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or contributes to the existing technology, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program code. .

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Abstract

La présente demande concerne un procédé de communication, un dispositif de communication et un système de communication, qui sont applicables à des systèmes tels que l'Internet des Véhicules, V2X et l'Internet des objets. Dans certains modes de réalisation, un premier dispositif de communication détermine des premières informations sur le nombre de fois, les premières informations sur le nombre de fois servant à indiquer le nombre de fois où le premier dispositif de communication envoie un message associé à un IUC à un second dispositif de communication et ne reçoit pas de message de réponse au message associé à l'IUC provenant du second dispositif de communication ; et selon les premières informations de seuil et les premières informations sur le nombre de fois, le premier dispositif de communication décide d'arrêter l'envoi du message associé à l'IUC au second dispositif de communication. Dans certains autres modes de réalisation, le premier dispositif de communication envoie un premier message RRC de liaison latérale au second dispositif de communication, le premier message RRC de liaison latérale comprenant des informations de configuration IUC ; et le premier dispositif de communication reçoit un second message RRC de liaison latérale provenant du second dispositif de communication, le second message RRC de liaison latérale comprenant des premières informations, et les premières informations servant à indiquer une défaillance de configuration des informations de configuration IUC.
PCT/CN2023/088338 2022-04-29 2023-04-14 Procédé de communication et dispositif de communication WO2023207631A1 (fr)

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