WO2021147068A1 - 通信处理方法和通信设备 - Google Patents
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Definitions
- This application relates to communication technology, and in particular to a communication processing method and communication equipment.
- the terminal device can send HARQ feedback to the base station, such as positive acknowledgement (ACK) or negative acknowledgement (NACK) ) To indicate to the base station whether the terminal device has successfully transmitted on the sidelink (SL) of the terminal device. For example, when the transmission of the terminal device on the SL fails, it can send a NACK to the base station so that it can request retransmission resources from the base station. Or, when the base station successfully transmits on the SL, the terminal device may send an ACK to the base station.
- ACK positive acknowledgement
- NACK negative acknowledgement
- the terminal device may send an ACK to the base station.
- the base station determines the transmission condition of the terminal device's side link through the terminal device's side link HARQ feedback, when the base station cannot receive the terminal device's feedback due to various reasons, the base station will not be able to know the terminal device The transmission situation of the side link. If it is specified that the base station schedules retransmission resources for the terminal equipment at this time, it may cause a waste of system resources. Or, if it is specified that the base station does not schedule retransmission resources for the terminal device at this time, it may affect the transmission of service data in the system. At this time, the possible behavior of the base station and the technical problems under the possible behavior are urgently needed to be studied and resolved.
- the network device does not receive the side link HARQ feedback from the terminal device, the understanding of the network device and/or the possible actions of the network device, there are two possibilities:
- the first possibility the network device thinks that the terminal device has failed to transmit on the resources of the side link. Under this understanding, the network device can schedule side uplink retransmission resources for the terminal device.
- the second possibility the network device thinks that the terminal device has successfully transmitted on the resources of the side link. Under this understanding, the network device will not schedule side uplink retransmission resources for the terminal device.
- the terminal device will not perform side link HARQ feedback to the network device, and the network device will not receive the side link from the terminal device. Road HARQ feedback.
- the network device schedules side-link retransmission resources for the terminal device, it will cause a waste of resources.
- the network device will not receive the feedback. In this case, if the network device does not schedule NACK retransmission resources for the terminal device, it will affect the side link data transmission performance of the terminal device.
- the embodiments of the present application provide a communication processing method, which can not only avoid the waste of system resources, but also ensure the transmission performance of side link data.
- the first aspect of the embodiments of the present application provides a communication processing method, which includes:
- the first terminal device does not use the first resource for side link transmission, the first terminal device generates first confirmation information, and the side link is a wireless direct communication link between the first terminal device and the second terminal device; Then, the first terminal device sends the first confirmation information to the network device.
- the first terminal device does not use the first resource for side link transmission, that is, the first terminal device determines not to use the first resource for data transmission, the first terminal device generates the first confirmation information and sends it to the network device Send the first confirmation message. In this way, the network device will not schedule retransmission resources for the first terminal device, thereby avoiding waste of resources.
- the first terminal device sending the first confirmation information to the network device includes: the first terminal device sends the first physical uplink control channel (PUCCH) resource corresponding to the first resource to the network device.
- the network device sends the first confirmation message.
- PUCCH physical uplink control channel
- the first confirmation information is fed back through the PUCCH resource corresponding to the first resource allocated by the network device, so that the network device can determine that the first confirmation information is for the first terminal device on the first resource.
- Data transmission conditions thereby avoiding the network device from scheduling retransmission resources for the first terminal device again, and avoiding resource waste.
- that the first terminal device does not use the first resource for side link transmission includes any one or more of the following: the fifth hybrid automatic repeat request (HARQ) process
- the transmission has succeeded or ended, and the first terminal device has obtained the retransmission resource allocated by the network device for the fifth HARQ process, the retransmission resource is the first resource; or, the HARQ buffer corresponding to the fifth HARQ process is empty , Where the first resource is associated with the fifth HARQ process; or, the fifth HARQ process does not acquire data, where the first resource is associated with the fifth HARQ process.
- HARQ hybrid automatic repeat request
- the first terminal device does not use the first resource for side link transmission
- generating the first confirmation information by the first terminal device includes: the first terminal device does not use the first resource for side link transmission , And the first preset condition is met, the first terminal device generates first confirmation information; wherein, the first preset condition includes any one or more of the following: there is a first PUCCH resource corresponding to the first resource; or, The first resource is not preempted by the second resource, and the second resource is the resource scheduled by the network device for the first terminal device; or, the first PUCCH resource corresponding to the first resource is not used to feed back the fifth HARQ process to the network device The associated ninth confirmation message.
- the first resource includes any one or more of the following:
- the first type of side link configures authorized resources; or,
- the second type of side link configures authorized resources.
- the first confirmation information is generated by a physical (PHY) layer of the first terminal device according to an indication of a medium access control (MAC) layer of the first terminal device;
- the first confirmation information is generated by the MAC layer of the first terminal device and sent by the MAC layer of the first terminal device to the PHY layer of the first terminal device; or, the first confirmation information is generated by the PHY layer of the first terminal device of.
- the method further includes: the first terminal device receives seventh indication information from the network device, where the seventh indication information is used to indicate that the first terminal device does not use the first resource to perform the side chain Transmission, and/or, if the first preset condition is met, the first terminal device generates or sends the first confirmation information.
- the mechanism for the first terminal device to generate the first confirmation information may be implemented by the network device through the seventh indication information, and the network device indicates through the seventh indication information: the first terminal device does not use the first confirmation message.
- the resource is transmitted on the side link, and/or, when the first preset condition is satisfied, the first terminal device generates or sends the first confirmation information.
- the first confirmation information is a positive confirmation ACK.
- a second aspect of the embodiments of the present application provides a communication processing method, which includes:
- the network device sends seventh indication information to the first terminal device, where the seventh indication information is used to indicate that the first terminal device does not use the first resource for side link transmission, and/or, that the first preset condition is satisfied, and the first terminal device does not use the first resource for side link transmission.
- a terminal device generates or sends first confirmation information; wherein, the first preset condition includes any one or more of the following: there is a first PUCCH resource corresponding to the first resource; or, the first resource is not the second resource For preemption, the second resource is a resource scheduled by the network device for the first terminal device; or, the first PUCCH resource corresponding to the first resource is not used to feed back the ninth confirmation information associated with the fifth HARQ process to the network device.
- the network device indicates through the seventh indication information, and the network device indicates through the seventh indication information: the first terminal device does not use the first resource for side link transmission, and/or satisfies the first preset condition , The first terminal device generates or sends the first confirmation information, so that the first terminal device does not use the first resource for side link transmission, the first terminal device generates the first confirmation information, and sends the first confirmation information to the network device Confirm the information. Then, the network device will not schedule retransmission resources for the first terminal device, thereby avoiding resource waste.
- a third aspect of the embodiments of the present application provides a communication processing method, which includes:
- the first terminal device receives second indication information sent from the network device, and the second indication information is used to indicate that the second preset condition is met, and the first terminal device uses the first type of resource to retransmit or retransmit side link data.
- the first type of resource includes the resource scheduled by the network device for the first terminal device and/or the resource selected or competed or perceived by the first terminal device; when the second preset condition is met, the first terminal device passes the first terminal device.
- the side line authorizes to retransmit the data of the first HARQ process
- the first side line authorization belongs to the first type of resource
- the second preset condition includes any one or more of the following: the first terminal device is in the first preset It is assumed that the resource for the retransmission of the first HARQ process is not obtained within the time period; or, the first timer expires, and the first terminal device does not obtain the resource for the retransmission of the first HARQ process; or, the first timer When the timeout expires, the first terminal device does not obtain the resource for retransmission of the first HARQ process; or, before, during or after the time domain position of the resource associated with the first HARQ process ID of the first HARQ process , The first terminal device does not obtain the resource for retransmission of the first HARQ process; or, for the first HARQ process, the first HARQ process ID, the second side authorization, and the transmission on the first HARQ process
- the first terminal device authorizes retransmission or new transmission of the data of the first HARQ process through the first side line, that is, under the above second preset condition, the first terminal device retransmits or newly transmits the data of the first HARQ process.
- the terminal device can retransmit or newly transmit the data of the first HARQ process to avoid that when the network device does not receive feedback from the first terminal device, the network device considers the first terminal device to transmit successfully on the side link, that is, it does not
- the retransmission resources are then scheduled for the first terminal device, which leads to the problem that the first terminal device cannot transmit data.
- the method further includes: the first terminal device determines that the third HARQ process ID associated with the first side row authorization is different from the first HARQ process ID; then, the first terminal device reports to the second terminal device Send the first HARQ process ID.
- the first terminal device determines that the third HARQ process ID associated with the first side line authorization is different from the first HARQ process ID, where the first side line authorization is used to retransmit the first HARQ process Then, the first terminal device sends the first HARQ process ID to the second terminal device to inform the second terminal device that the data retransmitted through the first side line authorization is the retransmission data of the first HARQ process, so as to facilitate The second terminal device can successfully receive the retransmitted data authorized by the first terminal device through the first side line.
- the method further includes: the first terminal device determines that the third HARQ process ID associated with the first side authorization is different from the first HARQ process ID; then, the first terminal device releases the first HARQ process ID; A HARQ process and/or empty the HARQ buffer corresponding to the first HARQ process.
- the first terminal device newly transmits the data of the first HARQ process through the first side line authorization, if the third HARQ process ID associated with the first side line authorization and the first HARQ process ID Different, the first terminal device can release the first HARQ process and/or clear the HARQ buffer of the first HARQ process, so as to prevent the first HARQ process from being occupied all the time and improve the data transmission performance of the first terminal device.
- the first side authorization includes any one or more of the following:
- the first type of side link configures authorized resources; or,
- the configuration authorized resource set of the side link, the configuration authorized resource set includes one or more configuration authorized resource indexes corresponding to the configuration authorized resource; or,
- the second condition includes any one or more of the following:
- the first terminal device sends second confirmation information to the network device, the second confirmation information is used to indicate that the first terminal device fails to transmit on the side link, or is used to instruct the first terminal device to authorize on the second side
- the second PUCCH resource Before, during, or the sum of the time domain position where the second PUCCH resource is located, the second PUCCH resource has a corresponding relationship with the second side row authorization; or,
- the first terminal device sends data on the second side authorization; or,
- the first terminal device receives the NACK from the second terminal device for the first HARQ process; or,
- the first terminal device does not receive feedback for the first HARQ process; or,
- the second side row authorization is associated with the first PSFCH resource
- the second side row authorization is associated with any one or more of the second confirmation information, the first HARQ process ID, the first HARQ process, the second PUCCH resource, and the first PSFCH resource.
- the first side line authorization is after the second side line authorization.
- the method further includes: when any one or more of the following conditions are met, stopping and/or resetting the timing of the first preset duration: the first terminal device obtains Resources used for retransmission; or, the transmission corresponding to the first preset duration is successful or complete, or the transmission corresponding to the first HARQ process is successful or complete.
- the first timer expires and the first terminal device fails to obtain the resource for retransmission of the first HARQ process includes: meeting a second condition, starting or restarting the first timer, The first timer expires, and the first terminal device does not obtain the resource used for the retransmission of the first HARQ process.
- the second condition includes any one or more of the following:
- the first terminal device sends second confirmation information to the network device, the second confirmation information is used to indicate that the first terminal device fails to transmit on the side link, or is used to instruct the first terminal device to authorize on the second side
- the second PUCCH resource Before, during or after the time domain location where the second PUCCH resource is located, the second PUCCH resource has a corresponding relationship with the second side row authorization; or,
- the first terminal device sends data on the second side authorization; or,
- the first terminal device receives the NACK from the second terminal device for the first HARQ process; or,
- the first terminal device does not receive feedback for the first HARQ process; or,
- the second side row authorization is associated with the first PSFCH resource
- the second side row authorization is associated with any one or more of the second confirmation information, the first HARQ process ID, the first HARQ process, the second PUCCH resource, and the first PSFCH resource.
- the method further includes: when any one or more of the following conditions are met, stopping and/or resetting the first timer: the first terminal device obtains the Transmission resources; or, the transmission corresponding to the first timer is successful or complete; or, the transmission corresponding to the first HARQ process is successful or complete.
- the method further includes: meeting a sixth preset condition, the first terminal device sends second confirmation information to the network device, and the second confirmation information is used to indicate that the first terminal device is in the second The transmission on the side-line authorization fails, and the second side-line authorization is associated with the first HARQ process ID;
- the sixth preset condition includes any one or more of the following: the first terminal device does not receive the first HARQ process And/or feedback on the reception of the data on the second side authorization; or, the first terminal device receives the first negative confirmation for the first HARQ entry and/or the data on the second side authorization; or, the first A terminal device receives the first positive acknowledgement sent by the third terminal device and the second negative acknowledgement sent by the fourth terminal device; or, the transmission of sideline data and/or the first HARQ process does not reach the maximum number of transmissions or maximum retransmissions Number of times; or, the transmission of side-line data and/or the first HARQ process has not reached the maximum transmission time.
- the first terminal device sends the second confirmation message to the network device to indicate that the first terminal device fails to transmit on the side link, so that the network device can be the first terminal
- the device schedules the retransmission resources, thereby realizing the retransmission of the data of the first HARQ process.
- a fourth aspect of the embodiments of the present application provides a communication processing method, which includes:
- the network device sends second indication information to the first terminal device, where the second indication information is used to indicate that the second preset condition is met, and the first terminal device retransmits the side link data through the first type of resource.
- the resources include resources scheduled by the network device for the first terminal device and/or resources selected or competed or perceived by the first terminal device; when the second preset condition is met, the first terminal device authorizes retransmission through the first side line
- the first side authorization belongs to the first type of resource
- the second preset condition includes any one or more of the following: the first terminal device does not obtain the data within the first preset period of time Resources used for retransmission of the first HARQ process; or, if the first timer expires, the first terminal device has not acquired resources for retransmission of the first HARQ process; or, if the first timer expires, the first terminal device
- the resource for retransmission of the first HARQ process is not acquired; or, before, during or after the time domain position
- the network device indicates through the second indication information that the second preset condition is satisfied, and the first terminal device retransmits the side link data through the first type of resource, so that the second preset condition is satisfied, and the first terminal
- the device can retransmit the data of the first HARQ process to avoid that when the network device does not receive the feedback from the first terminal device, the network device regards the first terminal device as a successful transmission on the side link, that is, it is no longer the first terminal
- the device schedules retransmission resources, causing the problem that the first terminal device cannot transmit data.
- the method further includes: the network device receives second confirmation information sent by the first terminal device, where the second confirmation information is used to indicate that the first terminal device fails to transmit on the side link, or, Used to indicate that the transmission of the first terminal device on the second side authorization failed, or, used to indicate that the transmission on the HARQ process corresponding to the first HARQ process ID of the first terminal device failed, or, used to request the network device Resources used to retransmit side link data, or used to request resources from the network device for retransmitting the data that failed to be transmitted on the second side line authorization, or used to request the network device to retransmit the first
- the HARQ process ID corresponds to the resource of the data that fails to be transmitted on the HARQ process
- the second side row authorization is associated with the first HARQ process ID.
- the network device receives the second confirmation information sent by the first terminal device to indicate that the first terminal device fails to transmit on the side link, so that the network device can schedule retransmission resources for the first terminal device, thereby Realize the retransmission of the data of the first HARQ process.
- the method further includes: the network device is the first within the seventh preset period of time or before the fifth timer expires.
- the terminal device schedules the retransmission resources of the first HARQ process.
- the network device schedules the first terminal device for the first terminal device within the seventh preset period of time or before the fifth timer expires.
- the retransmission resource of the HARQ process prevents the first terminal device from retransmitting the data of the first HARQ process by determining or selecting resources scheduled by the network device when it has not acquired the retransmission resource of the first HARQ process. During or after this, retransmission resources are allocated for the first HARQ process of the first terminal device, which results in a waste of resources.
- the network device scheduling the retransmission resource of the first HARQ process for the first terminal device within the seventh preset time period or before the fifth timer expires includes: the network device meets the sixth condition after The seventh preset duration of startup or restart or the fifth timer schedules retransmission resources for the first HARQ process for the first terminal device.
- the sixth condition includes any one or more of the following: the network device receives the first terminal The second confirmation information sent by the device; or, before, during, or after the time domain location where the second PUCCH resource is located; or, before, during, or after the time domain location where the second side line is authorized, where the second side The row authorization is associated with the first HARQ process; or, the network device does not receive the confirmation information sent by the first terminal device; or, before, during, or after the time domain location where the first PSFCH resource is located.
- the method further includes: when any one or more of the following conditions are met, stopping and/or resetting the timing of the seventh preset duration: the network device schedules the first terminal device Resources used for retransmission; or, the transmission corresponding to the seventh preset duration is successful or complete, or, the transmission corresponding to the first HARQ process is successful or complete.
- the method further includes: when any one or more of the following conditions are met, stopping and/or resetting the fifth timer: the network device schedules the first terminal device for Resources for retransmission; or, the transmission corresponding to the fifth timer is successful or complete, or, the transmission corresponding to the first HARQ process is successful or complete.
- a fifth aspect of the embodiments of the present application provides a communication processing method, which includes:
- the first terminal device When the fourth preset condition is met, the first terminal device generates fourth confirmation information, which is used to indicate that the first terminal device fails to transmit on the side link, or is used to indicate that the first terminal device is in the sixth Transmission failure on the side line authorization, or used to indicate the transmission failure on the HARQ process corresponding to the seventh HARQ process ID of the first terminal device, or used to request resources for retransmission of side link data from the network device , Or, used to request the network device to retransmit the resource of the data that failed to be transmitted on the sixth side line authorization, or used to request the network device to retransmit the HARQ process corresponding to the seventh HARQ process ID.
- the transmission failed Data resources Among them, the sixth side row authorization is associated with the seventh HARQ process ID.
- the first terminal device sends the fourth confirmation information to the network device through the PUCCH resource corresponding to the fifth side authorization, and the fourth preset condition includes any one or more of the following:
- the first terminal device does not obtain the resource for retransmission of the seventh HARQ process within the third preset time period; or,
- the third timer expires, and the first terminal device has not acquired the resource for retransmission of the seventh HARQ process; or,
- the first terminal device Before, during or after the time domain location of the resource associated with the seventh HARQ process ID, the first terminal device does not obtain the resource for retransmission of the seventh HARQ process; or,
- the seventh HARQ process ID For any one or more of the seventh HARQ process, the seventh HARQ process ID, the sixth side authorization, the data transmitted on the seventh HARQ process, and the data transmitted on the sixth side authorization, the first The number of times a terminal device sends NACKs to the network device does not reach the third preset threshold, where the first terminal device fails to transmit on the sixth side authorization, and the sixth side authorization is related to the seventh HARQ process ID Union; or,
- the transmission on the seventh HARQ process fails; or,
- the transmission on the sixth side authorization fails, where the seventh HARQ process is associated with the fourth confirmation information, the seventh HARQ process is associated with the seventh HARQ process, and the sixth side authorization is associated with the seventh HARQ process ID,
- the fifth side row authorization is associated with the seventh HARQ process ID.
- the first terminal device when the fourth preset condition is met, the first terminal device generates fourth confirmation information; then, the first terminal device sends the fourth confirmation information to the network device, which increases the side chain of the first terminal device's feedback to the network device According to the opportunity of the transmission condition (for example, NACK feedback to the base station), the network device can allocate retransmission resources for the seventh HARQ process according to the received fourth confirmation information, so as to realize the retransmission of the data of the seventh HARQ process.
- the transmission condition for example, NACK feedback to the base station
- the first terminal device sending the fourth confirmation information to the network device includes: the first terminal device sends the fourth confirmation information to the network device through the PUCCH resource corresponding to the fifth side authorization, and the fifth side
- the HARQ process ID associated with the row authorization is the same as the HARQ process ID associated with the sixth side authorization.
- the fourth confirmation information is fed back through the PUCCH resource corresponding to the fifth side line authorization, so that the network device can determine that the fourth confirmation information is for the first terminal device to communicate with the sixth side line authorization.
- the data transmission situation on the associated seventh HARQ process so that the network device can schedule the retransmission resources of the seventh HARQ process for the first terminal device.
- the fifth side authorization includes any one of the following:
- the first type of side link configures authorized resources; or,
- the second type of side link configures authorized resources; or,
- the dynamic authorized resources of the side link or,
- the configuration authorization resource set of the side link, the configuration authorization resource set includes one or more configuration authorization resources corresponding to the configuration authorization resource index;
- the side link is a wireless direct communication link between the first terminal device and the second terminal device.
- the method further includes: the first terminal device receives fourth indication information from the network device, where the fourth indication information is used to indicate that the fourth preset condition is satisfied, and the first terminal device Generate or send the fourth confirmation message.
- the mechanism for the first terminal device to generate the fourth confirmation information may be implemented by the network device through the fourth indication information indicating that the network device indicates that the fourth preset condition is satisfied through the fourth indication information.
- a terminal device generates or sends the fourth confirmation information, which can increase the chance of the first terminal device to feed back the side link transmission status (for example, NACK to the base station) to the network device, and the network device can respond to the received fourth confirmation
- the information allocates retransmission resources for the seventh HARQ process, so as to realize the retransmission of data of the seventh HARQ process.
- the method when the number of times the first terminal device sends NACKs to the network device reaches the third preset threshold and the first terminal device does not obtain the retransmission resources of the seventh HARQ process, the method It also includes any one or several of the following:
- the first terminal device discards the data of the seventh HARQ process.
- the first terminal device releases the seventh HARQ process; or,
- the first terminal device clears the HARQ buffer corresponding to the seventh HARQ process.
- the first terminal device stops sending the fourth confirmation information; or,
- the first terminal device retransmits or newly transmits data on the side link through the first type of resource
- the side link is a wireless direct communication link between the first terminal device and the second terminal device.
- the first terminal device executes any one or more of the foregoing to avoid the seventh HARQ process Always occupy the first terminal device meaninglessly, and improve the data transmission capability of the first terminal device.
- the fourth confirmation information is generated by the PHY layer of the first terminal device according to an instruction sent by the MAC layer of the first terminal device; or, the fourth confirmation information is generated by the first terminal device. Generated by the MAC layer of the device and sent by the MAC layer of the first terminal device to the PHY layer of the first terminal device; or, the fourth confirmation information is generated by the PHY layer of the first terminal device.
- the first terminal device not acquiring the retransmission resource of the seventh HARQ process within the third preset time period includes: the first terminal device starts or restarts the retransmission resource after meeting the fourth condition.
- the retransmission resource of the seventh HARQ process is not acquired within the third preset time period.
- the failure of the first terminal device to obtain the retransmission resources of the seventh HARQ process when the third timer expires includes: the first terminal device starts or restarts the first terminal device after meeting the fourth condition. Three timers, the third timer expires, and the first terminal device has not acquired the retransmission resources of the seventh HARQ process.
- the fourth condition includes any one or more of the following:
- the first terminal device sends fifth confirmation information to the network device, where the fifth confirmation information is used to indicate that the first terminal device fails to authorize transmission on the sixth side; or,
- the fourth PUCCH resource Before, during or after the time domain location where the fourth PUCCH resource is located, the fourth PUCCH resource has a corresponding relationship with the sixth side row authorization; or,
- the first terminal device sends data on the sixth side authorization; or,
- the first terminal device receives the NACK from the second terminal device for the seventh HARQ process; or,
- the first terminal device does not receive feedback for the seventh HARQ process; or,
- any of the sixth side row authorization and the fifth confirmation information, the seventh HARQ process ID, the seventh HARQ process, the fourth PUCCH resource, and the third PSFCH resource One or more are associated.
- stop and/or reset the timing of the third preset duration the first terminal device obtains the resource for retransmission; Or, the transmission corresponding to the third preset duration is successful or complete, or the transmission corresponding to the seventh HARQ process is successful or complete.
- the third timer is stopped and/or reset: the first terminal device obtains the resource for retransmission; or, the first terminal device The transmission corresponding to the three timers is successful or complete, or the transmission corresponding to the seventh HARQ process is successful or complete.
- the fourth confirmation information is NACK.
- the sixth side line authorization is before the fifth side line authorization.
- a sixth aspect of the embodiments of the present application provides a communication processing method, which includes:
- the network device sends fourth instruction information to the first terminal device, where the fourth instruction information is used to indicate that the first terminal device generates or sends fourth confirmation information to the network device when the fourth preset condition is met;
- the fourth preset condition includes any one or more of the following:
- the first terminal device does not obtain the resource for retransmission of the seventh HARQ process within the third preset time period; or,
- the third timer expires, and the first terminal device has not acquired the resource for retransmission of the seventh HARQ process; or,
- the first terminal device Before, during or after the time domain location of the resource associated with the seventh HARQ process ID, the first terminal device does not obtain the resource for retransmission of the seventh HARQ process; or,
- the seventh HARQ process ID For any one or more of the seventh HARQ process, the seventh HARQ process ID, the sixth side authorization, the data transmitted on the seventh HARQ process, and the data transmitted on the sixth side authorization, the first The number of times a terminal device sends NACKs to the network device does not reach the third preset threshold, where the first terminal device fails to transmit on the sixth side authorization, and the sixth side authorization is related to the seventh HARQ process ID Union; or,
- the transmission on the seventh HARQ process fails; or,
- the transmission on the sixth side authorization fails, where the seventh HARQ process is associated with the fourth confirmation information, the seventh HARQ process is associated with the seventh HARQ process, and the sixth side authorization is associated with the seventh HARQ process ID,
- the fifth side row authorization is associated with the seventh HARQ process ID.
- the network device indicates through the fourth indication information: the fourth preset condition is met, and the first terminal device generates or sends fourth confirmation information; this increases the first terminal device to feed back the transmission status of the side link to the network device (For example, feeding back NACK to the base station) opportunity, the network device can allocate retransmission resources for the seventh HARQ process according to the received fourth confirmation information, so as to realize the retransmission of data of the seventh HARQ process.
- a seventh aspect of the embodiments of the present application provides a communication processing method, which includes:
- the first terminal device executes any one or more of the following:
- the fifth preset condition includes any one or more of the following:
- the first terminal device does not obtain the resource for retransmission of the tenth HARQ process within the fourth preset time period; or,
- the thirteenth timer expires, and the first terminal device has not acquired the resource for retransmission of the tenth HARQ process; or,
- the first The number of times that a terminal device sends NACKs to the network device reaches the fourth preset threshold; or,
- the tenth HARQ process ID, the eighth side row authorization, the data transmitted on the tenth HARQ process, and the data transmitted on the eighth side row authorization reaches the fifth preset threshold; or,
- the first terminal device Before, during or after the resource associated with the tenth HARQ process ID of the tenth HARQ process, the first terminal device does not obtain the resource for retransmission of the tenth HARQ process; or,
- the first terminal device has not received the first SCI for L times, and the first SCI is the SCI corresponding to the tenth HARQ process; or,
- the first terminal device does not receive the first SCI or the data corresponding to the first SCI sent by the second terminal device within the fifth preset time period; or,
- the fourth timer expires, and the first terminal device does not receive the first SCI or the data corresponding to the first SCI sent by the second terminal device; or,
- the number of times the first terminal device sends NACKs to the second terminal device reaches the sixth preset threshold.
- the fifth preset condition is met, and some of the operations of the first terminal device shown above are to prevent the tenth HARQ process from being meaninglessly occupied and improve the data transmission capability of the first terminal device.
- the method further includes: the first terminal device receives sixth indication information sent by the network device, where the sixth indication information is used to indicate that the fifth preset condition is satisfied, and the first terminal device Perform any one or several of the following:
- the first terminal device can perform some of the above related operations to avoid the tenth HARQ process from being used meaninglessly, thereby improving the data transmission capability of the first terminal device .
- the fourth preset duration is the first duration; or, the fourth preset duration is the second duration; or, the fourth preset duration is the first duration plus the first duration.
- Two duration; or, the fourth preset duration is the third duration; wherein, the first duration is the amount of time the first terminal device waits for the network device to schedule the resource for the tenth HARQ process retransmission for the first terminal device Time length, the second time length is for the first terminal device to wait for the first terminal device to determine the resource for the retransmission of the tenth HARQ process and/or the first terminal device to compete or select or perceive the resource for the retransmission of the tenth HARQ process Duration, the third duration is the duration for the first terminal device to wait for the resource for retransmission of the tenth HARQ process.
- the first terminal device not acquiring the retransmission resource of the tenth HARQ process within the fourth preset time period includes: the first terminal device starts or restarts after meeting the first condition If the resource or retransmission resource for the tenth HARQ process is not acquired within the fourth preset time period, the first condition includes any one or more of the following:
- the first terminal device sends seventh confirmation information to the network device; or,
- the first terminal device sends data on the eighth side line authorization; or,
- the first terminal device receives the NACK for the tenth HARQ process.
- the first terminal device does not receive feedback for the tenth HARQ process; or,
- the fourth PSFCH resource is associated with any one or more of the eighth side line authorization, the tenth HARQ process ID, and the tenth HARQ process.
- the thirteenth timer expires and the first terminal device fails to obtain the resource for retransmission of the tenth HARQ process includes: meeting the first condition, starting or restarting the thirteenth timer When the thirteenth timer expires, the resource or retransmission resource for the tenth HARQ process is not obtained, and the first condition includes any one or more of the following:
- the first terminal device sends seventh confirmation information to the network device; or,
- the first terminal device sends data on the eighth side line authorization; or,
- the first terminal device receives the NACK for the tenth HARQ process.
- the first terminal device does not receive feedback for the tenth HARQ process; or,
- the fourth PSFCH resource is associated with any one or more of the eighth side line authorization, the tenth HARQ process ID, and the tenth HARQ process.
- the method further includes: when a thirteenth condition is met, the first terminal device stops and/or resets the timing of the fourth preset duration; the thirteenth condition includes any of the following Or any of several types: the first terminal device obtains the resource used for retransmission of the tenth HARQ process; or, the transmission corresponding to the tenth HARQ process is successful or completed.
- the method further includes: when a thirteenth condition is met, the first terminal device stops and/or resets the thirteenth timer; the thirteenth condition includes any one or any of the following Several types: the first terminal device obtains the resource used for retransmission of the tenth HARQ process; or, the transmission corresponding to the tenth HARQ process is successful or completed.
- the first terminal device not receiving the first SCI or the data corresponding to the first SCI sent by the second terminal device within the fifth preset time period includes: the first terminal The device does not receive the first SCI or the data corresponding to the first SCI sent by the second terminal device within the fifth preset period of time when the device is started or restarted when the ninth condition is met, and the ninth condition includes any of the following One or any of several types: the first terminal device receives the first SCI; or, the first terminal device receives the data corresponding to the first SCI.
- the fourth timer expires and the first terminal device does not receive the first SCI or the data corresponding to the first SCI sent by the second terminal device includes: the first terminal device The fourth timer is started or restarted when the ninth condition is met, and the first SCI sent by the second terminal device or the data corresponding to the first SCI is not received when the fourth timer expires, the ninth condition It includes any one or more of the following: the first terminal device receives the first SCI; or; the first terminal device receives the data corresponding to the first SCI.
- the method further includes: when a twelfth condition is satisfied, the first terminal device stops and/or resets the timing of the fifth preset duration; the twelfth condition includes any of the following Or any number:
- the first terminal device successfully receives or successfully decodes the data corresponding to the first SCI; or,
- the first terminal device sends a positive confirmation to the second terminal device; or,
- the first terminal device receives the first SCI sent by the second terminal device or the number of receptions corresponding to the first SCI reaches the maximum number of times or the maximum number of transmissions or the maximum number of receptions; or,
- the first terminal device receives the first SCI or the receiving time length of the data corresponding to the first SCI is greater than or equal to a sixth preset time length; or,
- the first terminal device receives the first SCI or the data corresponding to the first SCI, where the first SCI contains an indication of the last transmission.
- the method further includes: when a twelfth condition is satisfied, the first terminal device stops and/or resets the fourth timer; the twelfth condition includes any one or several of the following kind:
- the first terminal device successfully receives or successfully decodes the data corresponding to the first SCI; or,
- the first terminal device sends a positive confirmation to the second terminal device; or,
- the first terminal device receives the first SCI sent by the second terminal device or the number of receptions corresponding to the first SCI reaches the maximum number of times or the maximum number of transmissions or the maximum number of receptions; or,
- the first terminal device receives the first SCI or the receiving time length of the data corresponding to the first SCI is greater than or equal to a sixth preset time length; or,
- the first terminal device receives the first SCI or the data corresponding to the first SCI, where the first SCI contains an indication of the last transmission.
- the method further includes: the first terminal device receives sixth instruction information sent by the network device, where the sixth instruction information is used to indicate that the fifth preset condition is satisfied, and the first terminal device executes the following Any one or more of the following: discarding the data corresponding to the tenth HARQ process, or clearing the HARQ buffer corresponding to the tenth HARQ process, or releasing the tenth HARQ process; or deleting the data related to the tenth HARQ process The corresponding relationship; or, delete the corresponding relationship related to the first SCI.
- An eighth aspect of the embodiments of the present application provides a communication processing method, which includes:
- the network device sends sixth indication information to the first terminal device, where the sixth indication information is used to indicate: the fifth preset condition is met, the first terminal device executes any one or more of the following: discard the tenth HARQ process Corresponding data, or clear the HARQ buffer corresponding to the tenth HARQ process, or release the tenth HARQ process; or delete the corresponding relationship related to the tenth HARQ process; or delete the corresponding relationship related to the first SCI ;
- the fifth preset condition includes any one or more of the following:
- the first terminal device does not obtain the resource for retransmission of the tenth HARQ process within the fourth preset time period; or,
- the thirteenth timer expires, and the first terminal device has not acquired the resource for retransmission of the tenth HARQ process; or,
- the first The number of times that a terminal device sends NACKs to the network device reaches the fourth preset threshold; or,
- the tenth HARQ process ID For any one or more of the tenth HARQ process, the tenth HARQ process ID, the eighth side row authorization, the data transmitted on the tenth HARQ process, and the eighth side row authorization, The number of times that the first terminal device receives NACK reaches the fifth preset threshold; or,
- the first terminal device Before, during or after the resource associated with the tenth HARQ process ID of the tenth HARQ process, the first terminal device does not obtain the resource for retransmission of the tenth HARQ process; or,
- the first terminal device has not received the first SCI for L times, and the first SCI is the SCI corresponding to the tenth HARQ process; or,
- the first terminal device does not receive the first SCI or the data corresponding to the first SCI sent by the second terminal device within the fifth preset time period; or,
- the fourth timer expires, and the first terminal device does not receive the first SCI or the data corresponding to the first SCI sent by the second terminal device; or,
- the number of times the first terminal device sends NACKs to the second terminal device reaches the sixth preset threshold.
- a ninth aspect of the embodiments of the present application provides a communication processing method, which includes:
- the fifth terminal device monitors and/or decodes the PDCCH or DCI scrambled by the first RNTI, where the fifth terminal device and the sixth terminal device share the first RNTI; then, the fifth terminal device acquires the sixth resource, where:
- the sixth resource may include any one or any of the following resources: resources of the side link; or resources of the first mode of the side link; or configuration authorized resources of the side link; or, the first mode of the side link Type two configuration authorized resources; or, side link dynamic authorized resources; or, uplink resources; or, uplink configuration authorized resources; or, uplink type second configuration authorized resources; or, uplink Dynamic authorized resources of the link; or resources of the downlink; or semi-statically allocated resources of the downlink; or, dynamically allocated resources of the downlink.
- the sixth resource includes any one or more of the following: a resource for new transmission; or a resource for retransmission.
- the method further includes: the fifth terminal device acquires a sixth PUCCH resource, where the sixth PUCCH resource is used by the fifth terminal device and/or the sixth terminal device to feed back the sixth resource to the network device The transmission situation.
- the method further includes: the fifth terminal device sends ninth negative confirmation information to the network device, where the ninth negative confirmation information is used to indicate that the transmission of the fifth terminal device on the side link fails; Or, used to indicate that the transmission of the fifth terminal device on the eighteenth side line authorization failed; or, used to indicate that the transmission on the HARQ process corresponding to the eleventh HARQ process ID of the fifth terminal device failed; or, to indicate the failure of the transmission on the HARQ process corresponding to the eleventh HARQ process ID of the fifth terminal device; or Request data from the network device for retransmission of side link data; or, request from the network device for resources for retransmitting the data that failed to be transmitted on the eighteenth side line authorization; or, request from the network device for data Resources for retransmitting data that failed to be transmitted on the eleventh HARQ process.
- the method further includes: the fifth terminal device sends the ninth negative confirmation information to the network device through the sixth PUCCH resource.
- the method further includes: associating the first RNTI with the sixth PUCCH resource; or, the fifth terminal device determines the sixth PUCCH resource according to the first RNTI; or, the fifth terminal device The first RNTI is determined according to the sixth PUCCH resource.
- the method before the fifth terminal device monitors and/or decodes the PDCCH or DCI scrambled by the first RNTI, the method further includes: the fifth terminal device receives the network device or the upper layer or the upper layer first Information, the first information is used to instruct and/or configure the fifth terminal device to monitor and/or decode the PDCCH or DCI scrambled by the first RNTI.
- the fifth terminal device monitors and/or decodes the PDCCH or DCI scrambled by the first RNTI in the first search space;
- the first search space includes any one or any of the following: Public search space; or, dedicated search space; or, group search space.
- the method further includes: the fifth terminal device determines the first search space according to any one or more of the following: the first RNTI; or, C-RNTI; or, TC- RNTI; or, CS-RNTI; or, SPSC-RNTI; or, SLCS-RNTI; or, SL-RNTI; or, SL Semi-Persistent Scheduling V-RNTI; or, SL Semi-Persistent Scheduling V-RNTI.
- the method before the fifth terminal device monitors and/or decodes the PDCCH or DCI scrambled by the first RNTI, the method further includes: the fifth terminal device receives the first RNTI sent by the network device; or, The fifth terminal device determines the first RNTI.
- the fifth terminal device determining the first RNTI includes: the fifth terminal device determines the first RNTI according to the RNTI used for resource scheduling or the RNTI used for random access; and/or, fifth The terminal device determines the first RNTI according to the PUCCH resource.
- a tenth aspect of the embodiments of the present application provides a communication processing method, which includes:
- the network device sends the first RNTI to the fifth terminal device and the sixth terminal device, where the first RNTI is the RNTI configured by the network device for the fifth terminal device and the sixth terminal device to share, and the fifth terminal device and the sixth terminal device
- the sixth terminal device obtains the resource scheduled by the network device through the first RNTI; the network device schedules the sixth resource for the fifth terminal device and the sixth terminal device through the first RNTI.
- the method further includes: the network device sends the first information to the fifth terminal device and the sixth terminal device, and The first information is used to indicate and/or configure the fifth terminal device and the sixth terminal device to monitor and/or decode the PDCCH or DCI scrambled by the first RNTI.
- the terminal device sharing the first RNTI includes at least one grouped terminal device.
- the at least one grouped terminal device includes the first grouped terminal device, and the fifth terminal device and the sixth terminal device belong to the first grouped terminal device; the method further includes:
- the network device allocates a sixth PUCCH resource to the terminal device of the first group, and the sixth PUCCH resource is used for the terminal device of the first group to feed back to the network device a transmission situation on the sixth resource.
- the at least one grouped terminal device includes a first grouped terminal device and a second grouped terminal device, the fifth terminal device belongs to the first grouped terminal device; the sixth terminal The device belongs to the terminal device of the second group; the method further includes:
- the network device allocates a sixth PUCCH resource to the terminal device of the first group, and allocates a seventh PUCCH resource to the terminal device of the second group.
- the sixth PUCCH resource is used for the terminal device of the first group to feed back to the network device.
- the seventh PUCCH resource is used for the terminal device of the second packet to feed back the transmission situation on the sixth resource to the network device.
- the method before the network device schedules a sixth resource for the fifth terminal device and the sixth terminal device through the first RNTI, the method further includes:
- the network device receives the ninth negative confirmation information sent by the fifth terminal device, where the ninth negative confirmation information is used to indicate that the fifth terminal device fails to transmit on the side link; or, is used to indicate that the fifth terminal device is in the first Transmission failure on the eighteenth side line authorization; or, used to indicate the transmission failure on the HARQ process corresponding to the eleventh HARQ process ID of the fifth terminal device; or, used to request the network device for retransmission of the side link Data; or, used to request resources from the network device for retransmission of the data that failed to be transmitted on the eighteenth side line authorization; or, used to request the network device to retransmit the transmission failure on the eleventh HARQ process Data resources.
- An eleventh aspect of the embodiments of the present application provides a communication processing method, which includes:
- the HARQ feedback of the side link of the first terminal device is closed, the first terminal device generates eighth confirmation information, and the side link is the wireless direct communication link between the first terminal device and the second terminal device;
- the first terminal device sends the eighth confirmation information to the network device.
- the HARQ feedback of the side link of the first terminal device is closed, and the first terminal device generates eighth confirmation information and sends the eighth confirmation information to the network device, so that the network device will not be the first terminal device.
- the terminal device allocates retransmission resources, thereby avoiding resource waste.
- the first terminal device sending the eighth confirmation information to the network device includes: the first terminal device sends the eighth confirmation information to the network device through the eighth PUCCH resource.
- the first terminal device sends the eighth confirmation message to the network device through the eighth PUCCH resource, so that the network device can use the eighth PUCCH resource to determine which processes or resources correspond to the successful data transmission. In this way, the network device can no longer schedule retransmission resources for this part of the data of the first terminal device.
- the HARQ feedback of the side link of the first terminal device is turned off
- the eighth confirmation message generated by the first terminal device includes: the HARQ feedback of the side link of the first terminal device is turned off and satisfies The tenth preset condition, the first terminal device generates eighth confirmation information
- the tenth preset condition includes any one or more of the following:
- the first terminal device obtains the eighth resource; or,
- the first terminal device performs side link transmission on the eighth resource; or,
- the eighth resource has a corresponding eighth PUCCH resource
- the eighth resource is not preempted by the ninth resource, and the ninth resource is a resource scheduled by the network device for the first terminal device.
- the HARQ feedback on the side link of the first terminal device is turned off, and one or more of the tenth preset conditions are met, the first terminal device generates eighth confirmation information, which provides specific Multiple application scenarios for generating the eighth confirmation information enhance the diversity and feasibility of the solution.
- the eighth resource includes any one or more of the following:
- the dynamic authorized resources of the side link or,
- the first type of side link configures authorized resources; or,
- the second type of side link configures authorized resources.
- the eighth confirmation information is generated by the PHY layer of the first terminal device according to an instruction of the MAC layer of the first terminal device; or, the eighth confirmation information is generated by the first terminal device's MAC layer.
- the MAC layer is generated and sent by the MAC layer of the first terminal device to the PHY layer of the first terminal device; or, the eighth confirmation information is generated by the PHY layer of the first terminal device.
- the method further includes: the first terminal device receives eighth indication information sent by the network device, where the eighth indication information is used to indicate that the HARQ feedback of the side link of the first terminal device is closed , And/or, when the tenth preset condition is satisfied, the first terminal device generates eighth confirmation information; or, the HARQ feedback of the side link of the first terminal device is turned off, and/or, when the tenth preset condition is satisfied, the The first terminal device sends the eighth confirmation message to the network device.
- the eighth indication information is used to indicate that the HARQ feedback of the side link of the first terminal device is closed, and/or, when the tenth preset condition is satisfied, the first terminal device sends the eighth indication to the network device. Confirmation information, so that after receiving the eighth confirmation information, the network device will not allocate retransmission resources to the first terminal device, thereby avoiding resource waste.
- the twelfth aspect of the embodiments of the present application provides another communication processing method, which includes:
- the network device sends eighth indication information to the first terminal device, where the eighth indication information is used to indicate that the HARQ feedback of the side link of the first terminal device is turned off, and/or that the tenth preset condition is met, the first terminal
- the device generates eighth confirmation information; or, the HARQ feedback of the side link of the first terminal device is turned off, and/or, when the tenth preset condition is satisfied, the first terminal device sends the eighth confirmation message to the network device;
- the preset conditions include any one or more of the following:
- the first terminal device obtains the eighth resource; or,
- the first terminal device performs side link transmission on the eighth resource; or,
- the eighth resource has a corresponding eighth PUCCH resource
- the eighth resource is not preempted by the ninth resource, and the ninth resource is a resource scheduled by the network device for the first terminal device.
- the network device uses the eighth indication information to indicate that the HARQ feedback of the side link of the first terminal device is turned off, and/or, when the tenth preset condition is satisfied, the first terminal device sends to the network device The eighth confirmation message, so that after receiving the eighth confirmation message, the network device will not allocate retransmission resources to the first terminal device, thereby avoiding resource waste.
- a thirteenth aspect of the embodiments of the present application provides a communication device that has the function of realizing the behavior of the first terminal device in the first aspect, the third aspect, the fifth aspect, the seventh aspect, and the eleventh aspect.
- This function can be realized by hardware, or by hardware executing corresponding software.
- the hardware or software includes one or more modules corresponding to the above-mentioned functions.
- the fourteenth aspect of the embodiments of the present application provides a communication device that has the function of realizing the behavior of the above-mentioned ninth aspect and the fifth terminal device.
- the function can be implemented by hardware or by hardware executing corresponding software.
- the hardware or software includes one or more modules corresponding to the above-mentioned functions.
- a fifteenth aspect of the embodiments of the present application provides a communication device, which has the capability to implement the network device behaviors in the second, fourth, sixth, eighth, tenth, and twelfth aspects described above.
- Function this function can be realized by hardware, or by hardware executing corresponding software.
- the hardware or software includes one or more modules corresponding to the above-mentioned functions.
- the sixteenth aspect of the embodiments of the present application provides a communication device.
- the communication device includes: a processor, a memory, an input/output device, and a bus; the processor, the memory, and the input/output device are respectively connected to the bus, and the memory is Stored with computer instructions; when the processor executes the computer instructions in the memory, the memory stores computer instructions; when the processor executes the computer instructions in the memory, it is used to implement aspects such as the first and third aspects , Any one of the fifth aspect, the seventh aspect, the ninth aspect, and the eleventh aspect.
- a communication device in the seventeenth aspect of the embodiments of the present application, includes a processor, a memory, an input/output device, and a bus; the processor, the memory, and the input/output device are respectively connected to the bus, and the memory is Stored with computer instructions; when the processor executes the computer instructions in the memory, the memory stores computer instructions; when the processor executes the computer instructions in the memory, it is used to implement aspects such as the second aspect and the fourth aspect , The sixth aspect, the eighth aspect, the tenth aspect, and the twelfth aspect.
- the eighteenth aspect of the embodiments of the present application provides a chip system including a processor for supporting network devices to implement the above-mentioned first aspect, third aspect, fifth aspect, seventh aspect, ninth aspect, and third aspect.
- the functions involved in the eleventh aspect for example, sending or processing the data and/or information involved in the above methods.
- the chip system further includes a memory, and the memory is used to store necessary program instructions and data of the network device.
- the chip system can be composed of chips, and can also include chips and other discrete devices.
- the nineteenth aspect of the embodiments of the present application provides a chip system that includes a processor for supporting network devices to implement the foregoing second, fourth, sixth, eighth, tenth, and first aspects.
- the functions involved in the twelve aspects for example, sending or processing the data and/or information involved in the above methods.
- the chip system further includes a memory, and the memory is used to store necessary program instructions and data of the network device.
- the chip system can be composed of chips, and can also include chips and other discrete devices.
- the twentieth aspect of the embodiments of the present application provides a computer program product including instructions, which, when run on a computer, causes the computer to perform the implementation of any one of the first aspect to the twelfth aspect Way.
- the twenty-first aspect of the embodiments of the present application provides a computer-readable storage medium, which is characterized by including an instruction, when the instruction runs on a computer, the computer executes any one of the first aspect to the twelfth aspect.
- a computer-readable storage medium which is characterized by including an instruction, when the instruction runs on a computer, the computer executes any one of the first aspect to the twelfth aspect.
- FIG. 1A is a schematic diagram of a system architecture according to an embodiment of the application.
- FIG. 1B is a schematic diagram of a scene of an embodiment of the application.
- FIG. 1C is a schematic diagram of another scenario according to an embodiment of the application.
- FIG. 2 is a schematic diagram of an embodiment of a communication processing method according to an embodiment of the application.
- FIG. 3 is a schematic diagram of another embodiment of a communication processing method according to an embodiment of this application.
- FIG. 4 is a schematic diagram of another embodiment of a communication processing method according to an embodiment of this application.
- 5A is a schematic diagram of another embodiment of a communication processing method according to an embodiment of this application.
- FIG. 5B is a schematic diagram of another scenario of a communication processing method according to an embodiment of this application.
- FIG. 5C is a schematic diagram of another scenario of a communication processing method according to an embodiment of this application.
- FIG. 5D is a schematic diagram of another scenario of a communication processing method according to an embodiment of this application.
- FIG. 6 is a schematic diagram of another embodiment of a communication processing method according to an embodiment of this application.
- FIG. 7A is a schematic diagram of another embodiment of a communication processing method according to an embodiment of this application.
- FIG. 7B is a schematic diagram of another scenario of a communication processing method according to an embodiment of this application.
- FIG. 8 is a schematic diagram of another embodiment of a communication processing method according to an embodiment of this application.
- FIG. 9 is a schematic structural diagram of a communication device according to an embodiment of the application.
- FIG. 10 is another schematic structural diagram of a communication device according to an embodiment of the application.
- FIG. 11 is another schematic structural diagram of a communication device according to an embodiment of the application.
- Fig. 12 is a schematic diagram of a communication processing system according to an embodiment of the application.
- transmission may include the following three situations: sending of data, receiving of data, or sending of data and receiving of data.
- data may include service data, and/or signaling data.
- LTE long term evolution
- FDD frequency division duplex
- UMTS time division duplex
- WIMAX worldwide interoperability for microwave access
- 5G fifth generation
- new wireless new radio
- NR new wireless
- future communication systems for example, 6G communication systems or 7G communication systems, etc.
- the terminal equipment in the embodiments of this application may refer to user equipment, access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal equipment, wireless communication device, user agent Or user device.
- the terminal device can also be a cellular phone, a cordless phone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (personal digital assistant, PDA), with wireless communication Functional handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminals in the public land mobile network (PLMN) that will evolve in the future Devices, vehicle-mounted communication devices, vehicle-mounted communication chips, etc., which are not limited in the embodiment of the present application.
- PLMN public land mobile network
- the network device in the embodiment of the application may be a device used to communicate with terminal devices.
- the network device may be a global system for mobile communications (GSM) system or code division multiple access (CDMA)
- GSM global system for mobile communications
- CDMA code division multiple access
- the base transceiver station (BTS) in the LTE system can also be the base station (NodeB, NB) in the wideband code division multiple access (WCDMA) system, or the evolved base station (evolved) in the LTE system.
- NodeB, NB base station
- WCDMA wideband code division multiple access
- evolved evolved base station
- NodeB eNB or eNodeB
- it can also be a wireless controller in a cloud radio access network (CRAN) scenario
- the network device can be a relay station, an access point, a vehicle-mounted device, a wearable device, and the future
- the network equipment in the 5G network or the network equipment in the future evolved PLMN network, etc., are not limited in the embodiment of the present application.
- the terminal device or the network device may include a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
- the hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and memory (also referred to as main memory).
- the operating system can be any one or more computer operating systems that implement business processing through processes, for example, Linux operating systems, Unix operating systems, Android operating systems, iOS operating systems, or windows operating systems.
- the application layer includes applications such as browsers, address books, word processing software, and instant messaging software.
- the embodiments of the application do not specifically limit the specific structure of the execution body of the method provided in the embodiments of the application, as long as the execution body can run and record the code or program of the method provided in the embodiments of the application to realize the application
- the communication method provided by the embodiment may be a terminal device or a network device, or a functional module in a terminal device or a network device that can call a program and execute the program, or a terminal device or a network device that can call a program and execute the program.
- the chip that executes the program may be a terminal device or a network device, or a functional module in a terminal device or a network device that can call a program and execute the program, or a terminal device or a network device that can call a program and execute the program.
- the chip that executes the program may be a terminal device or a network device, or a functional module in a terminal device or a network device that can call a program and execute the program.
- various aspects or features of the present application can be implemented as methods, devices, or products using standard programming and/or engineering techniques.
- article used in the embodiments of this application includes a computer program accessible from any computer-readable device, carrier, or medium.
- computer-readable media may include magnetic storage devices (for example, hard disks, floppy disks, or tapes, etc.), optical disks (for example, compact discs (CDs), digital versatile discs (digital versatile discs, DVDs), etc.), smart cards, and Flash memory devices (for example, erasable programmable read-only memory (EPROM)).
- various storage media described herein may represent one or more devices and/or other computer-readable media for storing information.
- FIG. 1A is a schematic diagram of a system architecture according to an embodiment of the application.
- the communication link for direct wireless communication between the V2X device 1 and the V2X device 2 may be referred to as a side link or a side link (SL).
- the wireless communication link between the V2X device 1 or V2X device 2 and the network device can be called uplink (UL) or downlink (DL), where UL or DL interface can be called Uu port , UL or DL can be called Uu port link.
- FIG. 1A shows an application scenario of communication between a V2X device and a network device through a Uu port.
- this embodiment of the application is suitable for terminal devices (for example, terminal devices without V2X functions,
- the scenario where the V2X device, etc.) communicate with the network device through the Uu port is not specifically limited by this application.
- FIG. 1A is only an example, and does not limit the embodiment of the present application.
- first”, “second”, etc. are only used to refer to different objects, and do not mean that there are other limitations on the referred objects.
- Exemplary, for example, the “first preset duration”, “second preset duration”, “first resource”, “second resource”, etc. appearing in the embodiments of the present application can be deduced by analogy.
- the function of "one” and “second” can be to number the corresponding items in order to distinguish applicable scenarios or references, without limiting the specific duration or resources.
- the SL transmission resource used by the sending terminal device of the two or more terminal devices can be determined by any of the following methods A and B.
- Method A network equipment scheduling.
- the mode in which the network device schedules SL transmission resources may include a mode 1 (mode 1) resource configuration mode (name in NR) or a mode 3 (mode 3) resource configuration mode (name in LTE).
- mode 1 mode 1 resource configuration mode
- mode 3 mode 3 resource configuration mode
- the SL transmission resources scheduled by the network equipment have the following two types:
- the first type Configured Grant (CG) resources.
- each data transmission of the sending terminal device does not always require the network device to allocate resources separately.
- the sending terminal device can use the above-mentioned allocation for a period of time in the future.
- Resources are characterized by "allocation once, use many times".
- the network device may configure a period of time domain resources that periodically appear for the sending terminal device. Exemplarily, referring to FIG. 1B, the first time domain resource in this segment of time domain resources that appears periodically is symbol 4 to symbol 9 of time slot 1, and the period is 1 time slot.
- the time domain resource that appears each time is an SL authorization (hereinafter referred to as a side authorization), it can be understood that 4 side authorizations are shown in Figure 1B, and 1 side authorization corresponds to 1 authorization.
- Side authorization ID the side authorization IDs corresponding to the 4 side authorizations are side authorization 0, side authorization 1, side authorization 2, and side authorization 3.
- CG resources can include type 1 (type 1) CG (SL configured grant type-1) resources, type 2 (type 2) CG (SL configured grant type-2) resources, authorization-free (SL grant free) resources, and semi-static scheduling (SL) resources.
- SL SPS Semi-Persistent Scheduling, SL SPS) resources.
- the type1CG resource can be an SL transmission resource that the network device directly configures to the sending terminal device through radio resource control (radio resource control, RRC) signaling, and the sending terminal device can directly use the CG resource to transmit data without additional activation.
- radio resource control radio resource control
- the type2CG resource can be the period in which the network device defines the SL transmission resource through RRC signaling, and then activates the SL transmission resource through downlink control information (DCI) in the physical downlink control channel (PDCCH), and sends
- the terminal device cannot directly use the SL transmission resource to transmit data, and can only be used after activation.
- the authorization-free resource may be an SL transmission resource that the network device directly configures to the sending terminal device through RRC signaling, and the sending terminal device can directly use the SL transmission resource to transmit data without additional activation.
- the semi-persistent scheduling resource may be a network device defining the SL transmission resource period through RRC signaling, and then activating the SL transmission resource through the DCI in the PDCCH. The sending terminal device cannot directly use the SL transmission resource to transmit data, and can only be used after activation.
- CG resources can be supported on one carrier, and different CG resources can correspond to different indexes.
- CG resources whose indexes are 1, 2, and 3 can be denoted as CG1, CG2, and CG3, respectively.
- the second type dynamic grant (DG) resources.
- each data transmission of the sending terminal device requires the network device to allocate resources separately, which is characterized by “one time allocation, one use”.
- the network device may dynamically allocate SL transmission resources to the sending terminal device through DCI.
- the DCI can be carried in the PDCCH.
- DG the network device needs to allocate authorization for each data transmission of the sending terminal device.
- the resource allocation is flexible, but the resource allocation overhead is relatively large.
- CG one-time authorized allocation of network equipment, sending terminal equipment can be used multiple times, the resource allocation overhead is small, but the allocated resources have not changed and adjusted for a long time, and the resource allocation is not flexible.
- DG generally uses physical channels (for example, PDCCH) to allocate, and the allocation is relatively fast.
- the CG is generally configured using high-level signaling (for example, RRC signaling) or high-level signaling (for example, RRC signaling) plus a physical channel (for example, PDCCH), and resource allocation is slow.
- Method B the sending terminal equipment determines by itself.
- the mode for the sending terminal device to determine the SL transmission resource by itself may include mode 2 (mode 2) resource configuration mode (name in NR) or mode 4 (mode 4) resource configuration mode (name in LTE).
- mode 2 mode 2 resource configuration mode
- mode 4 mode 4 resource configuration mode
- the sending terminal device can independently obtain SL transmission resources from the SL resource pool to send control signals and/or data signals to the receiving terminal device.
- the network device can configure the SL resource pool for the sending terminal device through a system information block (SIB) message or dedicated RRC signaling, and the sending terminal device can autonomously acquire the SL resource pool from the SL resource pool.
- SIB system information block
- the sending terminal device can autonomously acquire the SL resource pool from the SL resource pool.
- the sending terminal device can autonomously obtain SL transmission resources from the pre-configured SL resource pool to send control signals and/or data signals to the receiving terminal device.
- the sending terminal device may select or perceive or compete for SL transmission resources. Specifically, the sending terminal device transmits control signals and/or data signals by competing with other terminal devices to obtain appropriate SL transmission resources in the SL resource pool. Among them, the higher the priority of the V2X service or data to be transmitted in the sending terminal device, the greater the chance of it competing for suitable SL transmission resources in the SL resource pool.
- mode3 and mode4 cannot exist at the same time.
- mode1 and mode2 can exist at the same time.
- the side link is a wireless direct communication link between the first terminal device and the second terminal device.
- the data transmitted between the terminal device and the terminal device can be referred to as SL data.
- the resources of the side link include the resources of the first mode of the side link and/or the resources of the second mode of the side link.
- the resources of the first mode of the side link are the resources of the side link scheduled by the network device for the terminal device, including the configuration authorized resources of the side link and/or the dynamic authorized resources of the side link. It may include: resources configured in the above-mentioned mode1 resource configuration mode, or resources configured in the above-mentioned mode3 resource configuration mode.
- the resources of the second mode of the side link are side link resources selected by the terminal device itself or competed or perceived, and/or reserved. It may include: resources configured in the above-mentioned mode2 resource configuration mode, or resources configured in the above-mentioned mode4 resource configuration mode.
- the configuration authorization resources of the side link include the first type configuration authorization resources of the side link and/or the second type configuration authorization resources of the side link.
- each data transmission of the sending terminal device does not always require the network device to allocate resources separately.
- the sending terminal device can use the above-mentioned allocation for a period of time in the future. Resources are characterized by "allocation once, use many times".
- the first type of side link configuration authorization resource The network device directly configures the side link configuration authorization of the terminal device through RRC signaling, and the terminal device can directly use the configuration authorization resource to transmit data without additional activation (such as , Activated via PDCCH or DCI).
- type1 configuration authorization SL configured grant type-1
- authorization-free SL grant free
- the second type of side link configuration authorization resource the network device defines the period of configuration authorization through RRC signaling, and then activates the configuration authorization through PDCCH or DCI.
- the terminal device cannot directly use the configuration authorization resource to transmit data. It can only be activated after activation. use.
- type2 configuration authorization SL configured grant type-2
- semi-persistent scheduling SL Semi-Persistent Scheduling, SL SPS.
- Dynamic authorized resources of the side link the side link transmission resources that the network device dynamically allocates to the terminal device through the DCI or PDCCH, where the DCI can be carried by the PDCCH.
- Each data transmission of the terminal equipment requires the network equipment to allocate resources separately, which is characterized by "one time allocation, one use”.
- Configuration authorization resource collection for side links includes one or more configuration authorization resources corresponding to the configuration authorization resource index, for example, a resource collection consisting of configuration authorization 1, configuration authorization 2 and configuration authorization 3.
- configuration authorization resource sets are different types of resources. For example, configure authorized resource set 1 as one type of resource, and configure authorized resource set 2 as another type of resource.
- the uplink is the uplink communication link between the first terminal device and the network device.
- Uplink resources include uplink configuration grant resources and/or uplink dynamic grant resources.
- the uplink configuration grant resource includes the uplink configuration grant resource of the first type and/or the uplink configuration grant resource of the second type.
- each data transmission of the sending terminal device does not always require the network device to allocate resources separately.
- the network device allocates resources to the sending terminal device for a certain time, the sending terminal device can use the above allocation for a period of time in the future. Resources are characterized by "allocation once, use many times".
- the first type of uplink configuration authorization resource the network device directly configures the uplink configuration authorization of the terminal device through RRC signaling, and the terminal device can directly use the configuration authorization resource to transmit data without additional activation (such as , Activated via PDCCH or DCI).
- type1 configuration authorization configured grant type-1
- grant free grant free
- the second type of uplink configuration authorization resource The network device defines the period of configuration authorization through RRC signaling, and then activates the configuration authorization through PDCCH or DCI.
- the terminal device cannot directly use the configuration authorization resource to transmit data. It can only be activated after activation. use. For example, type2 configuration authorization (configured grant type-2), semi-persistent scheduling (Semi-Persistent Scheduling, SPS).
- Uplink dynamic authorized resources uplink transmission resources dynamically allocated by network equipment to terminal equipment through DCI or PDCCH, where DCI can be carried by PDCCH. Each data transmission of the terminal equipment requires the network equipment to allocate resources separately, which is characterized by "one time allocation, one use”.
- the downlink is the downlink communication link between the first terminal device and the network device.
- Downlink resources include downlink semi-statically allocated resources and/or downlink dynamically allocated resources.
- Downlink semi-static resource allocation network equipment defines the cycle of the downlink resource through RRC signaling, and then activates the downlink resource through PDCCH or DCI; terminal equipment cannot directly use the resource to receive data , Can be used after activation.
- type2 configuration authorization configured grant type-2
- semi-persistent scheduling Semi-Persistent Scheduling, SPS
- each data reception of the terminal device does not always require the network device to allocate resources separately.
- the terminal device can use the above allocated resources for a period of time in the future.
- Downlink dynamic allocation of resources the network equipment dynamically allocates downlink control information (DCI) or PDCCH to the downlink resources of the terminal equipment, where the DCI can be carried by a physical downlink control channel.
- DCI downlink control information
- PDCCH Physical Downlink control channel
- the second terminal device refers to a terminal device in general, which may be any one or more terminal devices other than the first terminal device.
- the second terminal device includes the third terminal device.
- the fourth terminal device is the fourth terminal device.
- Resource overlap refers to two or more resources that overlap completely and/or partially overlap in the time domain.
- the data in the embodiments of the present application can be understood as a transport block (TB) or a medium access control protocol data unit (MAC PDU). Data can also be called data packets or messages.
- TB transport block
- MAC PDU medium access control protocol data unit
- Resource preemption including preemption between two or more resources.
- the second side row authorization to preempt the first side row authorization may specifically include the following scenario 1.1 and scenario 1.2.
- Scenario 1.1 The first HARQ process ID associated with the first side row authorization is the same as the second HARQ process ID associated with the second side row authorization.
- the first HARQ process ID is the HARQ process ID associated with the first side line authorization calculated by the terminal device using a preset algorithm (for example, using a formula specified in the agreement) or the network device is the first side indicated by the terminal device
- the HARQ process ID associated with the row authorization may also be a HARQ process ID determined by the terminal device for the first side line authorization.
- the second HARQ process ID is the HARQ process ID associated with the second side authorization calculated by the terminal device using a preset algorithm (for example, using the formula specified in the agreement) or the network device is associated with the second side authorization indicated by the terminal device HARQ process ID.
- the first HARQ process ID may also be the identification of the HARQ process determined by the terminal device for the second side line authorization.
- the terminal device receives information for configuring the second side authorization, and the second HARQ process ID associated with the second side authorization is the same as the first HARQ process ID associated with the first side authorization , It can be considered that the second side authorization preempts the first side authorization.
- the second side authorization is a DG resource
- the first side authorization is a CG resource
- the first terminal device receives the second side authorization
- the first side authorization has not been used.
- the HARQ process associated with the first side authorization is still occupied.
- the first terminal device before the first terminal device receives the second side authorization, the first terminal device has already obtained the first side authorization, and the first side authorization is associated with the first HARQ process ID.
- the first terminal device receives the second side-line authorization, and the HARQ process ID associated with the second side-line authorization is the HARQ process ID associated with the first side-line authorization; it can be understood as the first terminal device
- the second side authorization is received, and the identified HARQ process is configured for the first side authorization; or, it can be understood that the first side authorization is associated with the same HARQ process ID or the first HARQ process ID or the first HARQ process ID. 2.
- the previous side authorization of the HARQ process ID is the HARQ process ID.
- Scenario 1.2 The first side line authorization and the second side line authorization overlap in the time domain.
- the overlap here can be partial overlap or full overlap.
- the terminal device receives the information for configuring the second side line authorization, and the second side line authorization overlaps the first side line authorization in the time domain, it can be considered that the second side line authorization preempts The first side authorization or the first side authorization preempts the second side authorization.
- the second side authorization is a DG resource
- the first side authorization is a CG resource
- the terminal device receives the information for configuring the second side line authorization on the PDCCH, and the DCI in the PDCCH is added by the radio network tempory identity (RNTI) Disturb.
- RNTI radio network tempory identity
- the HARQ process is occupied:
- one HARQ process is occupied including any one or more of the following situations:
- the data transmission associated with the HARQ process has not been completed or ended.
- a scenario is: without HARQ feedback, the first terminal uses the HARQ process to send data to other terminal devices, and the blindness has not yet been reached. The number of retransmissions or repetitions.
- the first terminal device does not receive the feedback for the HARQ process, for example, the first terminal device does not completely receive the feedback for the HARQ process.
- a scenario is: the first terminal device uses the HARQ process to send data to other terminal devices, the first terminal device is still waiting to receive feedback from other terminal devices, or the first terminal device performs feedback on other terminal devices Timing did not receive feedback.
- the first terminal device receives the NACK for the HARQ process, for example, the first terminal device does not completely receive the ACK for the HARQ process.
- a scenario is: the first terminal device uses the HARQ process to send data to other terminal devices, and the first terminal device receives NACKs from the other terminal devices.
- the first terminal device does not receive the ACK of the HARQ process.
- a scenario is: the first terminal device uses the HARQ process to send data to other terminal devices, and the first terminal device does not receive the ACK from the other terminal devices , NACK may be received, or any feedback information may not be received.
- the first terminal device does not feed back the ACK for the HARQ process to the network device.
- the data transmission associated with the HARQ process does not reach the maximum transmission time or the maximum number of transmissions or the maximum number of retransmissions.
- the first terminal device does not release the HARQ process.
- the first terminal device has not cleared the HARQ buffer corresponding to the HARQ process.
- the first terminal device saves or does not release the corresponding relationship associated with the HARQ process.
- the corresponding relationship associated with a HARQ process refers to the corresponding relationship between the side authorization associated with the HARQ process and the HARQ process ID determined by the first terminal device associated with the HARQ process, or, The HARQ process ID determined by the first terminal device associated with the HARQ process and the HARQ process ID determined by the first terminal device associated with the HARQ process according to a preset algorithm (or indicated by the network device for the first terminal device) Correspondence, or the side authorization associated with the HARQ process, the HARQ process ID determined by the first terminal device associated with the HARQ process, and the first terminal device associated with the HARQ process determined according to a preset algorithm (or The network device is the corresponding relationship between the HARQ process IDs indicated by the first terminal device.
- HARQ is a technology that combines forward error correction (or forward error correction code) (FEC) and automatic repeat request (ARQ) methods.
- FEC forward error correction code
- ARQ automatic repeat request
- one CG resource is supported on one carrier.
- a CG resource supports up to 16 HARQ processes.
- the formula specified in the agreement can be used (for details, see 3GPP TS 38.321: "NR; Medium Access Control (MAC); Protocol specification”. Section 5.4.1) (this formula is called the default algorithm) 1)
- the maximum range of the HARQ process ID is 0 to 15.
- Both terminal equipment and network equipment can calculate the HARQ process corresponding to each uplink authorization according to the preset algorithm 1.
- ID For DG resources, the network device can indicate the HARQ process ID associated with each uplink grant to the terminal device in the DCI.
- the starting system frame number (SFN) of a UL CG resource is 5, and the starting time slot is time slot 1.
- the initial symbol is symbol 4
- an uplink authorization occupies 6 symbols, and the period is 1 time slot.
- the number of HARQ processes available for this CG resource is 16. Calculations based on the preset algorithm 1 can get the HARQ associated with each uplink authorization. Process ID, see Figure 1C for details.
- the HARQ process ID associated with each side line authorization can be calculated by the following first or second or third method (HARQ in the following content)
- the processes all refer to the SLHARQ process, and the HARQ process IDs all refer to the SL HARQ process ID).
- the first method the first terminal device determines the HARQ process ID associated with the side line authorization according to a preset algorithm or according to a calculation method indicated by the network device.
- a formula similar to the preset algorithm 1 can be used to calculate the HARQ process ID associated with each side row authorization in the CG resource.
- the HARQ process ID associated with the side authorization on different CG resources may overlap.
- the preset algorithm 2 is used to calculate the HARQ process ID associated with the side line authorization on different CG resources.
- the preset algorithm 2 can be to add an offset value (offset) on the basis of the preset algorithm 1, and the network device can configure the number of HARQ processes and the offset available for each CG resource, so as to enable the side authorization on different CG resources
- the associated HARQ process ID is different.
- the HARQ process ID associated with each side authorization in the resources of the first mode of the SL may be indicated to the terminal device by the network device.
- the network device may determine the HARQ process ID, and indicate the HARQ process ID to the terminal device through DCI.
- the HARQ process ID may overlap with the HARQ process ID associated with other side authorizations.
- the third method the terminal equipment determines the HARQ process ID associated with the side-line authorization by itself.
- the HARQ process ID associated with each of the resources in the first mode of the SL and/or the resources in the second mode of the SL may be determined by the terminal device.
- the first terminal device determines the identifier of an unoccupied HARQ process as the HARQ process ID associated with the side authorization.
- the side-line authorization is used for retransmission, and the first terminal device confirms that the HARQ process ID corresponding to the initial transmission or the previous transmission corresponding to the side-line authorization is associated with the side-line authorization The HARQ process ID.
- preemption occurs with the side-line authorization 2
- the side-line authorization 1 preempts the side-line authorization 2
- the first terminal device confirms the HARQ process ID associated with the side-line authorization 2 as the side line
- Method F HARQ feedback is a NACK-only method, in which, after the sender sends data to the receiver, if the receiver correctly receives the data, the receiver does not feedback, if the receiver fails to receive the data, the receiver sends the data to the sender Feedback NACK.
- HARQ feedback is an ACK/NACK mode, in which, after the sender sends data to the receiver, if the receiver correctly receives the data, the receiver sends back an ACK to the sender. If the receiver fails to receive the data, the receiver NACK is fed back to the sender.
- ACK or NACK in the embodiment of this application is only an English abbreviation for positive confirmation. It can be HARQ feedback in the prior art, and can be information indicated by 1 bit, and the value on this bit is 0 or 1 represents ACK. Alternatively, it may also be an indication message indicating that the transmission is successful, which may be information that occupies multiple bits, or it may be present or carried in other forms of indication information.
- the NACK in the embodiment of the present application is only an English abbreviation for negative acknowledgement. It can be HARQ feedback in the prior art, and can be information indicated by 1 bit, and a value of 0 or 1 on this bit represents NACK. Alternatively, it may also be an indication message that indicates transmission failure, which may be information that occupies multiple bits, or it may be present or carried in other forms of indication information.
- the terminal device is taken as an example to illustrate the specific implementation process of the terminal device. In actual applications, it may also be the MAC entity of the terminal device, sidelink MAC entity, HARQ entity, sidelink HARQ entity, HARQ process, Any one or any of the sidelink process or the sidelink HARQ process is used to execute the embodiments of the present application.
- the feedback transmitted on the SL received by the terminal device may include any one or more of the following:
- the PHY layer of the terminal device receives feedback on SL transmission from other terminal devices; or,
- Any one or more of the MAC layer, the MAC entity, and the sidelink MAC entity receives feedback from the physical layer; or,
- the HARQ feedback is NACK only.
- the terminal device does not receive a NACK, and the PHY layer sends an ACK to any one or more of the MAC layer, the MAC entity, and the sidelink MAC entity. For example, for the multicast situation.
- HARQ feedback is NACK only.
- the terminal device does not receive NACK, and the PHY layer does not send feedback to any one or more of the MAC layer, MAC entity, and sidelink MAC entity. .
- the terminal device does not receive NACK, and the PHY layer does not send feedback to any one or more of the MAC layer, MAC entity, and sidelink MAC entity. .
- the PHY layer does not send feedback to any one or more of the MAC layer, MAC entity, and sidelink MAC entity.
- the multicast situation for the multicast situation.
- the HARQ feedback is ACK/NACK.
- the terminal device receives ACK, or, the terminal device receives all expected ACKs, or, the terminal device only receives ACK, or, the terminal The device receives ACK but not NACK; the PHY layer sends ACK to any one or more of the MAC layer, the MAC entity, and the sidelink MAC entity. For example, for unicast and multicast situations.
- the terminal device has not received it may be understood as “the terminal device has not received the corresponding PSFCH resource”.
- receiverd by the terminal device may be understood as “received by the terminal device on the corresponding PSFCH resource”.
- Any one or more of the MAC layer, the MAC entity, and the sidelink MAC entity sends feedback to any one or more of the HARQ entity, sidelink HARQ entity, sidelink process, HARQ process, and sidelink HARQ process; or,
- the HARQ entity and/or the sidelink HARQ entity sends feedback to any one or more of the sidelink process, the HARQ process, and the sidelink HARQ process.
- the method of generating confirmation information in this article includes the following three possible implementation methods:
- Manner 1 The physical layer PHY layer of the first terminal device generates the confirmation information according to the instruction (for example, instruction information) of the first terminal device; or,
- the MAC layer of the first terminal device instructs the PHY layer (instruct physical layer) of the first terminal device to generate the confirmation information.
- the MAC layer of the first terminal device may be the MAC entity or HARQ entity or HARQ process or sidelink process or sidelink MAC entity or sidelink HARQ entity or sidelink HARQ process of the first terminal device.
- Manner 2 The MAC layer of the first terminal device generates the confirmation information, which is then sent by the MAC layer of the first terminal device to the PHY layer of the first terminal device; or,
- the MAC layer of the first terminal device may be the MAC entity or HARQ entity or HARQ process or sidelink process or sidelink MAC entity or sidelink HARQ entity or sidelink HARQ process of the first terminal device.
- Manner 3 The PHY layer of the first terminal device directly generates the confirmation information.
- the HARQ process ID associated/corresponding to the resource or authorization, or the resource associated/corresponding to the HARQ process ID, or the HARQ process associated/corresponding to the resource or authorization, or the resource associated/corresponding to the HARQ process The resource can be used by the HARQ process identified by the HARQ process ID to send data in the HARQ process.
- PUCCH associated/corresponding to a resource or authorization refers to the situation that the PUCCH can be used to feed back the success or failure of data transmission on the resource.
- the various setting values in this application may be pre-configured by the network device for the terminal device, or specified by the communication protocol, or determined by the network device in accordance with certain rules. If the terminal device is notified, or the terminal device is stored in the terminal device when it leaves the factory, the specific application is not limited.
- the HARQ process identification may include the HARQ process ID identification. It should be understood that the identification of the HARQ process may also include other identifications.
- the identification of a HARQ process on the side link may include: source ID (for example, Layer-1 source ID (Layer-1 source ID)), destination ID (for example, Layer-1 destination ID (Layer-1 destination ID)), Communication type indication (for example, cast type).
- the identifier of a HARQ process on a Uu port link of the terminal device and the network device includes the HARQ process ID, and the HARQ process ID uniquely identifies the HARQ process.
- HARQ process ID there may be multiple side link HARQ processes identified by the same side link HARQ process ID.
- one HARQ ID can be used to identify at most one HARQ process.
- release HARQ process can be replaced with "discard HARQ process data", "clear the HARQ buffer corresponding to the HARQ process”, or "delete the corresponding relationship related to the HARQ process”.
- Confirmation information associated with the HARQ process the confirmation information is used to feed back the success or failure of data transmission on the HARQ process.
- a physical sidelink feedback channel (PSFCH) resource associated with/corresponding to a resource or authorization the receiving terminal device uses the PSFCH to feed back the transmission success or failure of the resource/authorization to the sending terminal device.
- PSFCH physical sidelink feedback channel
- the first terminal device fails to acquire the resource for HARQ process retransmission within the preset time period after the condition is met. It can be understood that the condition is met, and the preset time period is started or restarted. The first terminal device is in the preset time period. It is assumed that the resource for retransmission of the HARQ process is not acquired within the time period; or, it can be understood that the first terminal device does not acquire the resource for retransmission of the HARQ process within the preset time period when the first terminal device starts or restarts after meeting the condition. resource.
- terminal equipment is supported to report SL HARQ ACK and/or NACK to network equipment. It can be used to report the transmission status on the SL to the network device. For example, when the terminal device successfully transmits on the SL, the terminal device reports an ACK to the network device to inform the network device that the terminal device successfully transmits on the SL. For example, when the terminal device fails to transmit on the SL, the terminal device reports a NACK to the network device to inform the network device that the terminal device fails to transmit on the SL, and can be used to request retransmission resources from the network device.
- the network device when the network device does not receive feedback from the terminal device, the network device is not sure whether the terminal device uses the resource of the side link for transmission.
- the network device cannot determine whether the terminal device did not provide feedback to the network device because it did not use the resources of the side link for transmission, or the terminal device did not receive the feedback to the network device, or the terminal device is reporting to the network
- the device sent the feedback it failed to send the feedback successfully due to conflicts with other transmissions. Therefore, when the network device does not receive the feedback from the terminal device, the understanding of the network device and/or the possible actions of the network device, there are the following two possible situations:
- the first situation the network device considers that the terminal device has failed to transmit on the resources of the side link, that is, when the network device does not receive the feedback from the terminal device (for example, DTX state, Discontinuous Transmission state), it is regarded as receiving Negative confirmation. And/or, for the resources of the side link, the network device may schedule retransmission resources for the terminal device.
- the terminal device when the terminal device does not use the resources of the side link scheduled by the network device for data transmission, the terminal device does not feed back to the network device.
- the network device considers that the terminal device has failed to transmit on the resources of the side link, that is, it is deemed to have received a negative confirmation. And/or, for the resources of the side link, the network device may schedule retransmission resources for the terminal device. In this case, resources will be wasted.
- the second case The network device considers that the terminal device has successfully transmitted on the resources of the side link, that is, when the network device does not receive the feedback from the terminal device (for example, DTX state, Discontinuous Transmission state), it is deemed to have received Hence confirm. And/or, for the resources of the side link, the network device does not schedule retransmission resources for the terminal device.
- the terminal device when the terminal device uses the resources of the side link scheduled by the network device to perform side link transmission, but the transmission fails, the terminal device feeds back NACK to the network device, but due to the connection with other transmissions Conflict, the terminal device failed to send the feedback successfully, and the base station did not receive the feedback; or, the terminal device fed back a negative confirmation to the network device, but the network device failed to receive the feedback.
- the network device considers that the terminal device has successfully transmitted on the resources of the side link, that is, it is deemed to have received a positive confirmation. And/or, for the resources of the side link, the network device does not schedule retransmission resources for the terminal device. In this case, the terminal device will not be able to obtain retransmission resources from the network device.
- the first terminal device obtains the first resource, the first terminal device does not use the first resource for side link transmission, and/or satisfies the first preset condition ,
- the first terminal device generates the first confirmation information and sends the first confirmation information to the network device; when the network device receives the first confirmation information, it will be regarded as the first terminal device using the first resource for side link transmission Success or the first terminal device did not transmit on the first resource or the first terminal device did not request retransmission resources from the network device or the side link transmission on the fifth HARQ process of the first terminal device was successful or the first terminal device
- a terminal device does not request retransmission resources for any one or more of the first resource, the fifth HARQ process ID, and the fifth HARQ process from the network device, and the network device will not allocate retransmission resources to the first terminal device
- the specific implementation manner is described through the embodiment shown in FIG. 2.
- the first terminal device receives second indication information from the network device, and the second indication information is used to indicate that the second preset condition is met, and the side link data is retransmitted or newly transmitted through the first type of resource.
- the first type of resource includes the resource scheduled by the network device for the first terminal device and/or the resource selected or competed or perceived by the first terminal device; when the second preset condition is satisfied, the first terminal device passes the first terminal device
- the side line authorizes retransmission or newly transmits data of the first HARQ process
- the first type of resource includes the first side line authorization
- the second preset condition includes any one or more of the following: the first terminal device is in the first The resource for the retransmission of the first HARQ process is not acquired within the preset time; or, the first timer expires and the first terminal device does not acquire the resource for the retransmission of the first HARQ process; or, with the first HARQ Before, during or after the resource associated with the first HARQ process ID of the process, the first
- Solution 2 When the fourth preset condition is met, the first terminal device generates fourth confirmation information; then, the first terminal device sends fourth confirmation information to the network device, and the fourth preset condition includes any one or several of the following Type: the first terminal device does not obtain the resource for the seventh HARQ process retransmission within the third preset time period; or, the third timer expires, and the first terminal device does not obtain the resource for the seventh HARQ process retransmission.
- the first terminal device does not obtain the resource for retransmission of the seventh HARQ process; or, for the seventh HARQ process Any one or more of the process, the seventh HARQ process ID, the sixth side authorization, the data transmitted on the seventh HARQ process, and the data transmitted on the sixth side authorization, the first terminal device sends to the network device The number of times of sending negative acknowledgments does not reach the third preset threshold; or, the transmission on the seventh HARQ process fails, or the transmission on the sixth side authorization fails, which increases the side link feedback from the first terminal device to the network device
- the network device can allocate retransmission resources for the seventh HARQ process according to the received fourth confirmation information (for example, feeding back NACK to the base station), so as to realize the retransmission of the data of the seventh HARQ process.
- the embodiment will be described with reference to the example shown in FIG. 4.
- Solution 3 The fifth preset condition is met, and the first terminal device executes any one or more of the following: (1) discarding the data corresponding to the tenth HARQ process, or (2) clearing the tenth HARQ process Corresponding HARQ buffer, or (3) release the tenth HARQ process; or, (4) delete the corresponding relationship related to the tenth HARQ process; or, (5) delete the corresponding relationship related to the first SCI, thereby avoiding this
- the tenth HARQ process is occupied meaninglessly, which improves the data transmission capability of the first terminal device.
- the specific embodiment is described by the embodiment shown in FIG. 5A.
- FIG. 2 is a schematic diagram of a communication processing method according to an embodiment of the application. The method includes:
- the first terminal device does not use the first resource for side link transmission, and the first terminal device generates first confirmation information.
- the first terminal device does not use the first resource for side link transmission, and the first terminal device generates a connection with any one of the first resource, the fifth HARQ process, the fifth HARQ process ID, and the first PUCCH resource or Any number of corresponding first confirmation messages.
- the first resource is associated with the fifth HARQ process ID.
- the HARQ process corresponding to the fifth HARQ process ID may be referred to as the fifth HARQ process.
- the first resource is associated with the first PUCCH resource.
- the fifth HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device.
- the first terminal device does not use the first resource for side link transmission can be understood as the first terminal device clears the HARQ buffer corresponding to the HARQ process associated with the first resource and/or the first terminal device ignores the first terminal device.
- the first terminal device not using the first resource for side link transmission can also be understood as the physical sidelink shared channel (PSSCH) transmission opportunity where the first resource is located, and the first terminal device is not using the first resource.
- PSSCH physical sidelink shared channel
- the resources are transmitted on the side link.
- the first terminal device not using the first resource for side link transmission may be understood as the first terminal device not using the first resource, where the first resource is a resource of the side link.
- the first confirmation information may be ACK.
- the first resource is a resource scheduled by the network device for the first terminal device.
- the first resource includes any one or more of the following:
- the first type of side link configures authorized resources; or,
- the second type of side link configures authorized resources
- the configuration authorization resource set of the side link, the configuration authorization resource set includes one or more configuration authorization resources corresponding to the configuration authorization resource index.
- the first terminal device acquires the first resource, and the first terminal device does not use the first resource for side link transmission, then the first terminal device generates the first confirmation information; or, the first terminal device acquires the first resource, If a terminal device does not use the first resource for side link transmission, the first terminal device generates first confirmation information corresponding to the first resource.
- the network device receives the ACK, it will be deemed that the first terminal device uses the first resource to perform side link transmission successfully or The first terminal device does not transmit on the first resource or the first terminal device does not request retransmission resources from the network device or the side link transmission on the fifth HARQ process of the first terminal device succeeds or the first terminal device If the device does not request the network device for retransmission resources for any one or more of the first resource, the fifth HARQ process ID, and the fifth HARQ process, the first terminal device will not be allocated retransmission resources.
- that the first terminal device does not request retransmission resources from the network device may be understood as: for the first resource, the first terminal device does not request retransmission resources from the network device.
- the first terminal device does not use the first resource to perform side link transmission includes any one or more of the following situations:
- the data on the fifth HARQ process has been successfully transmitted or the transmission is ended or the transmission is completed, and the first terminal device again receives the first resource scheduled by the network device.
- the first resource is the retransmission resource allocated by the network device and the first resource is the first resource allocated by the network device.
- the resource is associated with the fifth HARQ process ID; or,
- the HARQ process corresponding to the fifth HARQ process ID may be referred to as the fifth HARQ process.
- the data on the fifth HARQ process of the first terminal device has been successfully transmitted or the transmission has ended or the transmission has been completed, and the first terminal device again receives the first resource scheduled by the network device, and the first resource is allocated to the network device
- the first resource is associated with the fifth HARQ process ID.
- the first resource is a retransmission resource allocated by the network device and the first resource is associated with the fifth HARQ process ID, which may be understood as: the first resource is a retransmission allocated by the network device for the fifth HARQ process. resource.
- the fifth HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device.
- the network device allocates retransmission resources for the fifth HARQ process in the following possible situations, as illustrated below:
- the first terminal device has successfully transmitted data in the fifth HARQ process, and the first terminal device sends an ACK to the network device, but the network device does not receive the ACK.
- the first terminal device has successfully transmitted data on the fifth HARQ process, and the first terminal device sends an ACK to the network device. Because the transmission of the ACK sent by the first terminal device to the network device conflicts with other transmissions, the first terminal device The device did not successfully send the ACK.
- the transmission of the first terminal device on the fifth HARQ process ends or is completed (for example, the maximum number of transmissions or the maximum number of retransmissions is reached, or the maximum transmission time is reached), and the first terminal device no longer transmits on the fifth HARQ process The data.
- the HARQ buffer corresponding to the fifth HARQ process is empty; or,
- the first resource is associated with the fifth HARQ process ID.
- the HARQ process corresponding to the fifth HARQ process ID may be referred to as the fifth HARQ process.
- the HARQ buffer corresponding to the fifth HARQ process of the terminal device is empty.
- the HARQ buffer corresponding to the HARQ process associated with the first resource is empty.
- the HARQ buffer corresponding to the HARQ process corresponding to the fifth HARQ process ID associated with the first resource is empty.
- the fifth HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device.
- the first resource is used for retransmission.
- the first resource may be a dynamically authorized resource of the side link.
- the first resource received by the first terminal device on the PDCCH or DCI, and the first resource is for a second RNTI (for example, SL-RNTI, or SLCS-RNTI), and the first resource is associated
- the HARQ buffer corresponding to the HARQ process is empty.
- the network device scrambles the PDCCH or DCI through the second RNTI to schedule the retransmission resources of the side link configuration authorized resources for the first terminal device.
- the second RNTI may be any one or several of SLCS-RNTI, SL-RNTI, SL Semi-Persistent Scheduling V-RNTI, SL Semi-Persistent Scheduling V-RNTI.
- the first resource is associated with the fifth HARQ process ID.
- the HARQ process corresponding to the fifth HARQ process ID may be referred to as the fifth HARQ process.
- the HARQ buffer corresponding to the fifth HARQ process of the first terminal device is empty.
- the fifth HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device.
- the data to be transmitted is not acquired in the fifth HARQ process, and the first terminal device will not use the first resource for side link transmission.
- the data can be newly transmitted data or retransmitted data; and, the data can be understood as MAC PDU or TB.
- the first resource conflicts with the resource of the second mode of the side link, and no data is obtained on the HARQ process associated with the first resource.
- conflict can be understood as preemption.
- the first resource conflicts with the resource of the second mode of the side link, and no data is obtained on the HARQ process corresponding to the fifth HARQ process ID associated with the first resource. It can be understood that the first resource is preempted by the resources of the second mode of the side link, and no data is obtained on the HARQ process associated with the first resource.
- the first terminal device does not use the first resource for side link transmission, and the first terminal device generating the first confirmation information includes:
- the first terminal device does not use the first resource for side link transmission and satisfies a first preset condition, the first terminal device generates first confirmation information, where the first preset condition includes any one or more of the following :
- the first terminal device has a PUCCH resource, and the PUCCH resource is associated with the first resource; or,
- the presence of the PUCCH resource on the first terminal device can be understood as the first terminal device receiving the PUCCH resource configured by the network device, or the first terminal device is configured with the PUCCH resource.
- the first resource is a PSSCH resource
- each PSSCH resource corresponds to one PUCCH resource
- multiple PSSCH resources correspond to one PUCCH resource.
- Each PSSCH resource corresponds to a PUCCH resource, that is, there is a one-to-one correspondence between PSSCH resources and PUCCH resources, that is, the network device configures a PUCCH resource for each PSSCH resource, if the first terminal device does not use the PSSCH resource Perform side link transmission, and the first terminal device generates first confirmation information corresponding to the PSSCH resource or the PUCCH resource.
- each PSSCH resource can be understood as each PSSCH resource configured with a corresponding PUCCH resource.
- Multiple PSSCH resources correspond to one PUCCH resource, that is, the network device configures the same PUCCH resource for multiple PSSCH resources. If the first terminal device does not use the multiple PSSCH resources for side link transmission, the first terminal device generates The first confirmation information corresponding to the multiple PSSCH resources and/or the PUCCH resource.
- multiple PSSCH resources can be understood as multiple PSSCH resources configured with corresponding PUCCH resources.
- the first resource is not preempted by the second resource, where the second resource is a resource scheduled by the network device for the first terminal device; or,
- the second resource includes any one or more of the following:
- the first type of side link configures authorized resources; or,
- the second type of side link configures authorized resources
- the configuration authorization resource set of the side link, the configuration authorization resource set of the side link includes one or more configuration authorization resources corresponding to the configuration authorization resource index; or,
- An uplink configuration authorization resource set where the uplink configuration authorization resource set includes one or more configuration authorization resources corresponding to the configuration authorization resource index; or,
- a set of semi-statically allocated resources in the downlink includes one or more semi-statically allocated resources corresponding to the index of the semi-statically allocated resources.
- the first resource is not preempted by the second resource includes the following two possible situations:
- the first resource and the second resource do not overlap in the time domain.
- the overlap here can be partial overlap or full overlap.
- the second resource will cover or occupy (overlap) the first resource, and the first terminal device will not perform SL transmission on the first resource.
- the resource and the second resource are both resources scheduled by the network device for the first terminal device, and the network device can determine by itself that the second resource of the first terminal device will cover or preempt (overlap) the first resource, so in this case ,
- the network device knows that the first terminal device will not perform SL transmission on the first resource, and the first terminal device does not need to feed back the transmission situation on the first resource to the network device, that is, when the first resource and the second resource overlap, the first terminal device A terminal device does not need to feed back the transmission status on the first resource to the network device.
- the first terminal device needs to feed back the first resource to the network device On the transmission situation.
- the first resource is a CG resource
- the second resource is a DG resource
- the first terminal device receives the information for configuring the second resource on the PDCCH, and the DCI in the PDCCH uses the radio network tempory identity (RNTI), for example, C-RNTI, CS-RNTI, SPS C- Any one or several of RNTI, SLCS-RNTI, SL-RNTI, SL Semi-Persistent Scheduling V-RNTI, SL Semi-Persistent Scheduling V-RNTI, etc.) scrambling.
- RNTI radio network tempory identity
- the first terminal device if the first resource and the second resource do not overlap in the time domain, and if the first terminal device does not use the first resource for SL transmission, the first terminal device generates first confirmation information corresponding to the first resource .
- the HARQ process ID associated with the first resource is different from the HARQ process ID associated with the second resource, or the HARQ process ID associated with the second resource is not the HARQ process ID associated with the first resource; or,
- the first terminal device receives the information for configuring the second resource, and the fifth HARQ process ID associated with the first resource is the same as the second HARQ process ID associated with the second resource, it can be considered that the second resource preempts the first resource .
- the first terminal device will not perform SL transmission on the first resource. Since the first resource and the second resource are both resources scheduled by the network device for the first terminal device, the network device can determine the first terminal device's first terminal device by itself.
- the second resource will cover or preempt (overlap or override) the first resource, so in this case, the network device knows that the first terminal device will not perform SL transmission on the first resource, and the first terminal device does not need to feed back to the network device
- the transmission situation on the first resource that is, the HARQ process IDs associated with the first resource and the second resource are the same, and when the second resource preempts the first resource, the first terminal device does not need to feed back the transmission situation on the first resource to the network device.
- the first resource is a CG resource
- the second resource is a DG resource
- the first terminal device receives the information for configuring the second resource on the PDCCH, and the DCI in the PDCCH uses the radio network tempory identity (RNTI), for example, C-RNTI, CS-RNTI, SPS C- Any one or several of RNTI, SLCS-RNTI, SL-RNTI, SL Semi-Persistent Scheduling V-RNTI, SL Semi-Persistent Scheduling V-RNTI, etc.) scrambling.
- RNTI radio network tempory identity
- the first terminal device when the first terminal device receives the second resource, the first resource has not been used.
- the HARQ process associated with the first resource is still occupied.
- the first terminal device before the first terminal device receives the second resource, the first terminal device has already acquired the first resource, and the first resource is associated with the fifth HARQ process ID.
- the first terminal device is receiving the second resource
- the HARQ process ID associated with the second resource is the HARQ process ID associated with the first resource; it can be understood that the first terminal device is receiving the second resource.
- Resource, and the identified HARQ process is configured for the first resource; or, it can be understood that the first resource is the previous side grant/resource associated with the same HARQ process ID or the second HARQ process ID.
- the fifth HARQ process ID can be obtained through any one or several of the following methods:
- the first terminal device determines the HARQ process ID for the first resource according to a preset algorithm or a calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the first resource indicated by the first terminal device; or,
- the second HARQ process ID can be obtained in any one or several of the following ways:
- the first terminal device determines the HARQ process ID for the second resource according to a preset algorithm or a calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the second resource indicated by the first terminal device; or,
- the first terminal device needs to feed back the first resource to the network device On the transmission situation.
- the HARQ process ID associated with the first resource and the second resource are different, or the HARQ process ID associated with the second resource is not for the HARQ process ID associated with the first resource; if the first terminal device is not used
- the first resource performs SL transmission, and/or, when the first preset condition is satisfied, the first terminal device generates first confirmation information corresponding to the first resource.
- the first PUCCH resource corresponding to the first resource is not used to feed back to the network device that it is associated with any one or more of the ninth PUCCH resource, the third resource, the fifth HARQ process, and the fifth HARQ process ID
- the ninth confirmation message is not used to feed back to the network device that it is associated with any one or more of the ninth PUCCH resource, the third resource, the fifth HARQ process, and the fifth HARQ process ID.
- the ninth confirmation information may be NACK.
- the HARQ process ID associated with the third resource is the same as the HARQ process ID associated with the first resource.
- the first resource is associated with the fifth HARQ process ID.
- the HARQ process corresponding to the fifth HARQ process ID may be referred to as the fifth HARQ process.
- the first resource is associated with the first PUCCH resource.
- the fifth HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the first resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the first resource according to a preset algorithm or a calculation method indicated by the network device.
- the third resource is associated with the fifth HARQ process ID.
- the third resource is associated with the ninth PUCCH resource.
- the first terminal device when the eleventh preset condition is satisfied, sends the ninth confirmation message to the network device; or, when the eleventh preset condition is satisfied, the first terminal device passes the first PUCCH resource corresponding to the first resource Send the ninth confirmation message to the network device.
- the fifth HARQ process ID is the HARQ process ID determined by the first terminal device for the third resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the third resource indicated by the first terminal device.
- the associated HARQ process ID is the HARQ process ID determined by the first terminal device for the third resource according to a preset algorithm or a calculation method indicated by the network device; or, the network device is the third resource indicated by the first terminal device.
- the first terminal device when the eleventh preset condition is satisfied, sends the ninth confirmation message to the network device; or, when the eleventh preset condition is satisfied, the first terminal device passes the first PUCCH resource corresponding to the first resource Send the ninth confirmation message to the network device.
- the fourth confirmation information in the embodiment shown in FIG. 4 can be replaced with the ninth confirmation information here, and the fourth preset condition in the embodiment shown in FIG. 4 can be replaced with the eleventh precondition here.
- the seventh HARQ process in the embodiment shown in FIG. 4 is replaced by the fifth HARQ process here, and the fifth side row authorization in the embodiment shown in FIG. 4 is replaced by the first resource here.
- the PUCCH resource corresponding to the fifth side row authorization is replaced with the first PUCCH resource
- the sixth side row authorization in the embodiment shown in FIG. 4 is replaced with the third resource here.
- the eleventh preset condition is similar to the fourth preset condition in the embodiment shown in FIG. 4. For details, please refer to the introduction of the fourth preset condition in the embodiment shown in FIG. 4, which will not be repeated here.
- the eleventh preset condition is met, the first terminal device uses the PUCCH resource corresponding to the first resource to feed back to the network device any one of the ninth PUCCH resource, the third resource, the fifth HARQ process, and the fifth HARQ process ID or Any number of associated NACKs.
- the ninth confirmation information is used to indicate that the first terminal device fails to transmit on the side link, or is used to indicate that the first terminal device fails to transmit on the third resource, or, is used to indicate to the first terminal device
- the transmission on the HARQ process corresponding to the fifth HARQ process ID fails, or, it is used to request the network device for resources for retransmitting side link data, or it is used to request the network device to retransmit the third resource
- the first terminal device uses the first PUCCH resource corresponding to the first resource to feed back to the network device any one or more of the ninth PUCCH resource, the third resource, the fifth HARQ process, and the fifth HARQ process ID
- the content related to the associated ninth confirmation message is similar to the embodiment shown in FIG. 4, and for details, please refer to the content in the embodiment shown in FIG. 4, which will not be repeated here.
- the first terminal device when the first PUCCH resource corresponding to the first resource is used to feed back to the network device any one or more of the ninth PUCCH resource, the third resource, the fifth HARQ process, and the fifth HARQ process ID When the ninth confirmation information is associated, the first terminal device does not need to generate the first confirmation information. Conversely, when the first PUCCH resource corresponding to the first resource is not used to feed back to the network device that it is related to any one or more of the ninth PUCCH resource, the third resource, the fifth HARQ process, and the fifth HARQ process ID When connecting the ninth confirmation information, if the first terminal device does not use the first resource for SL transmission, and/or the first preset condition is met, the first terminal device generates the first confirmation information corresponding to the first resource.
- the first terminal device sends first confirmation information to the network device.
- the first terminal device sends the first confirmation information to the network device through the PUCCH resource or the PUSCH resource.
- the first terminal device sends the first confirmation information to the network device through the PUCCH resource (for example, the first PUCCH resource) corresponding to the first resource.
- the first PUCCH resource may be a PUCCH resource dedicated to transmitting the first confirmation message.
- the network device may configure the first PUCCH resource for the terminal device while configuring the first resource for the terminal device.
- the first confirmation message is sent to the network device through the first PUSCH resource.
- the terminal device may send the fifth HARQ process ID together with the first confirmation message to the network device.
- the network device may configure the first PUSCH resource for the terminal device while configuring the first resource for the terminal device.
- the first PUSCH resource may be a PUSCH resource dedicated to transmitting the first confirmation message.
- the first confirmation information may be periodically sent to the network device.
- the terminal device periodically determines whether to use the first resource, and if the first resource is not used, it will send the first confirmation message to the network device.
- the terminal device periodically determines whether the first resource is used and whether the first preset condition is met, and if the first resource is not used and the first preset condition is met, it will send the first confirmation message to the network device.
- step 201a is further included before step 201.
- Step 201a The first terminal device obtains seventh indication information.
- the first terminal device receives the seventh indication information sent by the network device.
- the seventh indication information is used to indicate that the first terminal device does not use the first resource for side link transmission, and/or, if the first preset condition is met, the first terminal device generates or sends the first confirmation information.
- the generation of the first confirmation information by the first terminal device may be understood to mean that the first terminal device generates any one or more of the first resource, the fifth HARQ process, the fifth HARQ process ID, and the first PUCCH resource.
- One corresponding first confirmation message may be understood to mean that the first terminal device generates any one or more of the first resource, the fifth HARQ process, the fifth HARQ process ID, and the first PUCCH resource.
- the first terminal device sending the first confirmation information to the network device may be understood as the first terminal device sending the first resource, the fifth HARQ process, the fifth HARQ process ID, and the first PUCCH resource to the network device. Any one or more of the corresponding first confirmation information.
- Operation 201a is an optional operation, that is, the device manufacturer can store the content of the seventh indication information in the terminal device before the terminal device leaves the factory.
- the content of the seventh indication information may be stipulated by an agreement or a standard. In this way, the network device does not need to send the seventh indication information to the terminal device.
- the type of the first resource may be understood as the type to which the first resource belongs.
- the configuration granularity of the type of the first resource and the configuration granularity of the seventh indication information may be different or the same.
- the configuration granularity of the seventh indication information reference may be made to the explanation of the configuration granularity of the second indication information in the embodiment shown in FIG. 3, which will not be repeated here.
- the specific meaning is different from the meaning of the second indication information in the embodiment described in FIG. 3, refer to the meaning of the seventh indication information.
- the first resource can be understood as the tenth side authorization
- the second resource can be understood as the twelfth side authorization
- the third resource can be understood as the nineteenth side authorization.
- the first terminal device acquires the first resource, the first terminal device does not use the first resource for side link transmission, and/or, when the first preset condition is met, the first terminal device generates the first confirmation information , And send the first confirmation information to the network device; when the network device receives the first confirmation information, it will be deemed that the first terminal device uses the first resource to perform side link transmission successfully or the first terminal device is not in the Transmission on the first resource or the first terminal device did not request a retransmission resource from the network device or the side link transmission on the fifth HARQ process of the first terminal device was successful or the first terminal device did not request the network device for the first For any one or more of the first resource, the fifth HARQ process ID, and any one or more of the retransmission resources of the fifth HARQ process, the network device will not allocate retransmission resources to the first terminal device, thereby avoiding resource waste.
- FIG. 3 is a schematic diagram of another embodiment of a communication processing method according to an embodiment of the present application.
- the method includes:
- the first terminal device acquires second indication information.
- the first terminal device receives the second indication information sent by the network device.
- the second indication information is used to indicate that the second preset condition is met, and the first type of resource is used to retransmit or newly transmit data on the side link.
- the first type of resource includes resources scheduled by the network device for the first terminal device and /Or the resource selected or competed with or perceived by the first terminal device (including the resource selected or competed with or perceived by the first terminal device and/or the resource selected or competed with or perceived by the first terminal device).
- the data is retransmitted or newly transmitted on the side link through the first resource, which can be understood as: the second preset condition is met, and the first resource is retransmitted on the side link.
- the data of the first HARQ process is transmitted or newly transmitted.
- the second preset condition includes any one or more of the following:
- the first terminal device does not obtain resources for retransmission within the first preset time period; or,
- the first terminal device does not acquire the resource used for (data) retransmission of the first HARQ process within the first preset time period.
- the resource used for (data) retransmission of the first HARQ process may be understood as a resource or retransmission resource associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first terminal device does not acquire the resources or retransmission resources scheduled by the network device for the first HARQ process of the first terminal device within the first preset time period.
- the first terminal device does not acquire the resources or retransmission resources for the first HARQ process that the first terminal device competes for, selects, or perceives by the first terminal device within the first preset time period.
- the resource or retransmission resource of the first HARQ process may be understood as the resource or retransmission resource associated with the first HARQ process ID.
- the first HARQ process ID can be obtained in any one or several of the following ways:
- the first terminal device determines the HARQ process ID for the resource or the retransmission resource according to a preset algorithm or a calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the resource or the retransmission resource indicated by the first terminal device; or,
- the first terminal device does not acquire the resource or retransmission resource for the first HARQ process within the first preset period of time when it starts or restarts after meeting the second condition, then the first terminal device may The data of the first HARQ process is retransmitted or newly transmitted on the side link through the first resource; wherein, the second condition includes any one or more of the following:
- the first terminal device sends the second confirmation information to the network device, or, after the first terminal device sends the second confirmation information to the network device; or,
- the sending of the second confirmation information by the first terminal device to the network device may be understood as the moment when the first terminal device sends the second confirmation information to the network device.
- the first terminal device sends the second confirmation information to the network device, it may be understood as the moment after the first terminal device sends the second confirmation information to the network device.
- the second side row authorization is associated with the first HARQ process ID; the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first HARQ process ID is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization; or, the network device is the second terminal device indicated by the first terminal device.
- the second side row authorization is associated with the second PUCCH resource.
- the second PUCCH resource is associated with the first HARQ process and/or the first HARQ process ID.
- the first terminal device sends the second confirmation information on the second PUCCH resource.
- the second side row authorization is associated with the first HARQ process ID; the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first HARQ process ID is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization; or, the network device is the second terminal device indicated by the first terminal device.
- the HARQ process ID associated with the side authorization is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization; or, the network device is the second terminal device indicated by the first terminal device.
- the HARQ process ID associated with the side authorization is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization.
- the first terminal device sends data on the second side authorization, or, after the first terminal device sends data on the second side authorization, or, the first terminal device sends the first data on the second side authorization.
- the first terminal device sending data on the second side line authorization may be understood as the moment when the first terminal device sends data on the second side line authorization.
- the first terminal device after the first terminal device sends data on the second side line authorization, it may be understood as the moment after the first terminal device sends the data on the second side line authorization.
- the first terminal device sending the data corresponding to the first HARQ process on the second side authorization may be understood as the moment when the first terminal device sends the data corresponding to the first HARQ process on the second side authorization.
- the first terminal device sends the data corresponding to the first HARQ process on the second side authorization
- the second side row authorization is associated with the first HARQ process ID; the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first HARQ process ID is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization; or, the network device is the second terminal device indicated by the first terminal device.
- the HARQ process ID associated with the side authorization is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization; or, the network device is the second terminal device indicated by the first terminal device.
- the HARQ process ID associated with the side authorization is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization.
- the second side row authorization is associated with the first HARQ process.
- the second side row authorization corresponds to the second PUCCH resource
- the first terminal device sends the second confirmation information to the network device through the second PUCCH resource.
- the first terminal device sends data on the second side authorization, or the first terminal device sends the data corresponding to the first HARQ process on the second side authorization.
- the second side row authorization is associated with the first HARQ process ID; the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first HARQ process ID is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization; or, the network device is the second terminal device indicated by the first terminal device.
- the HARQ process ID associated with the side authorization is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization; or, the network device is the second terminal device indicated by the first terminal device.
- the HARQ process ID associated with the side authorization is the HARQ process ID determined by the first terminal device according to the preset algorithm or the calculation method indicated by the network device for the second side authorization.
- the first terminal device receives the NACK for (the data of) the first HARQ process; or,
- the first terminal device receives (transmitted) the NACK from the second terminal device.
- the NACK of the second terminal device can be understood as the feedback of the second terminal device's reception status, or the feedback of the second terminal device's unsuccessful reception, or, for the first HARQ process (data), the first 2. Feedback on the reception status of the terminal device, or feedback on (data) of the first HARQ process, the second terminal device not successfully receiving feedback. It is not limited that the NACK must be sent by the second terminal device.
- the first terminal device receives (sent) the NACK for the data of the first HARQ process from the second terminal device.
- the first terminal device receives (transmitted) information from the second terminal device on the first physical sidelink feedback channel (PSFCH) resource or the first PSFCH opportunity (occasion) or the first PSFCH duration.
- PSFCH physical sidelink feedback channel
- NACK for the data of the first HARQ process.
- the first terminal device sends data to the second terminal device on the second side authorization, or the first terminal device sends the data corresponding to the first HARQ process to the second terminal device on the second side authorization .
- the second side row authorization is associated with the first HARQ process ID; the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first PSFCH resource or the first PSFCH occasion or the first PSFCH duration is associated with any one or more of the second side authorization, the first HARQ process ID, and the first HARQ process.
- the first HARQ process ID can be obtained in any one or several of the following ways:
- the first terminal device authorizes the HARQ process ID determined for the second side according to the preset algorithm or the calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the second side authorization indicated by the first terminal device; or,
- the first terminal device authorizes and determines the HARQ process ID for the second side.
- the first terminal device does not receive feedback for the first HARQ process.
- the first terminal device does not receive (send) feedback from the second terminal device.
- the feedback of the second terminal device may be understood as the feedback of the receiving condition of the second terminal device, or the feedback of the receiving condition of the second terminal device for the first HARQ process (data). It is not limited that the feedback must be sent by the second terminal device.
- the first terminal device does not receive (send) feedback on the data of the first HARQ process from the second terminal device.
- the first terminal device does not receive (transmit) feedback from the second terminal device at the first PSFCH resource or the first PSFCH opportunity (occasion) or the first PSFCH duration.
- the first terminal device does not receive (transmitted) feedback on the data of the first HARQ process from the second terminal device at the first PSFCH resource or the first PSFCH opportunity (occasion) or the first PSFCH duration.
- the feedback may be ACK or NACK.
- the first terminal device sends data to the second terminal device on the second side authorization, or the first terminal device sends the data corresponding to the first HARQ process to the second terminal device on the second side authorization .
- the second side row authorization is associated with the first HARQ process ID; the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the second side row authorization is associated with the first PSFCH resource or the first PSFCH occasion or the first PSFCH duration.
- the first PSFCH resource or the first PSFCH occasion or the first PSFCH duration is associated with any one or more of the first HARQ process ID and the first HARQ process.
- the first HARQ process ID can be obtained in any one or several of the following ways:
- the first terminal device authorizes the HARQ process ID determined for the second side according to the preset algorithm or the calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the second side authorization indicated by the first terminal device; or,
- the first terminal device authorizes and determines the HARQ process ID for the second side.
- the first terminal device when the first terminal device communicates with other terminal devices (for example, unicast, multicast), and the HARQ feedback is ACK/NACK, the first terminal device is Send data to the second terminal device on the two-side line authorization, where the second side line authorization is associated with the first HARQ process and/or the first HARQ process ID; if the first terminal device does not receive the feedback from the second terminal device Or if the first terminal device does not receive the feedback; the first terminal device considers that the second terminal device fails to receive it.
- other terminal devices for example, unicast, multicast
- the HARQ feedback is ACK/NACK
- the first terminal device is Send data to the second terminal device on the two-side line authorization, where the second side line authorization is associated with the first HARQ process and/or the first HARQ process ID; if the first terminal device does not receive the feedback from the second terminal device Or if the first terminal device does not receive the feedback; the first terminal device considers that the second terminal device fails to receive it.
- the first PSFCH resource or the first PSFCH occasion or the first PSFCH duration is associated with any one or more of the second side authorization, the first HARQ process ID, and the first HARQ process.
- the first terminal device sends data to the second terminal device on the second side authorization, or the first terminal device sends the data corresponding to the first HARQ process to the second terminal device on the second side authorization .
- the second side row authorization is associated with the first HARQ process ID; the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the second terminal device sends the feedback to the first terminal device on the first PSFCH resource, or the second terminal device sends the feedback corresponding to the first HARQ process to the first terminal device on the first PSFCH resource.
- the first HARQ process ID can be obtained in any one or several of the following ways:
- the first terminal device authorizes the HARQ process ID determined for the second side according to the preset algorithm or the calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the second side authorization indicated by the first terminal device; or,
- the first terminal device authorizes and determines the HARQ process ID for the second side.
- the length of the first preset duration may be pre-configured, or configured by the network device for the first terminal device, or specified by the communication protocol, which is not specifically limited here.
- the first terminal device obtains resources for retransmission; or,
- the first terminal device obtains resources used for (data) retransmission of the first HARQ process.
- the resource used for (data) retransmission of the first HARQ process may be understood as a resource or retransmission resource associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first terminal device obtains the resource or retransmission resource scheduled by the network device for the first HARQ process of the first terminal device.
- the first terminal device obtains the resource or retransmission resource for the first HARQ process that the first terminal device competes with or selects or perceives by itself.
- the resource or retransmission resource of the first HARQ process may be understood as the resource or retransmission resource associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the success or completion of the transmission corresponding to the first preset duration, or the success or completion of the transmission corresponding to the first HARQ process includes any one or several of the following situations:
- the first terminal device does not receive the NACK for the sideline data and/or the first HARQ process; or,
- this situation may be applicable to unicast and multicast scenarios.
- this case may be applicable to the case where the HARQ feedback is NACK only.
- the first terminal device when the first terminal device communicates with other terminal devices (for example, unicast, multicast), and the HARQ feedback is NACK only, the first terminal device uses the first HARQ process When sending data to other terminal devices, the first terminal device does not receive the NACK or the first terminal device does not receive the NACK at the time when the other terminal devices feedback, the first terminal device thinks that the other terminal devices have correctly received the data.
- other terminal devices for example, unicast, multicast
- the first terminal device receives an ACK for sideline data and/or the first HARQ process; or,
- the first terminal device receives all expected ACKs for the sideline data and/or the first HARQ process.
- this situation may be applicable to unicast and multicast scenarios.
- this case may be applicable to the case where the HARQ feedback is ACK/NACK.
- the first terminal device uses the first HARQ process to send data to other terminal devices, and the first terminal device receives an ACK or the first terminal device receives an ACK from another terminal device, the first terminal device considers The other terminal equipment correctly received the data.
- the first terminal device receives the ACK for the sideline data and/or the first HARQ process, and does not receive the NACK for the sideline data; or,
- this situation may be applicable to unicast and multicast scenarios.
- this case may be applicable to the case where the HARQ feedback is ACK/NACK.
- the first terminal device when the first terminal device performs multicast communication with other terminal devices, and the HARQ feedback is ACK/NACK, the first terminal device uses the first HARQ process to send data to other terminal devices If the first terminal device only receives the ACK or the first terminal device only receives the ACK from other terminal devices, the first terminal device considers that the other terminal devices have received the data correctly.
- the transmission of the side row data and/or the first HARQ process reaches the maximum transmission time; wherein the maximum transmission time may be a timer or a timer.
- the first terminal device feeds back an ACK to the network device.
- the ACK is used to indicate to the network device that the transmission on the side link is successful.
- the first terminal device discards the data corresponding to the first HARQ process, or clears the HARQ buffer corresponding to the first HARQ process, or releases the first HARQ process.
- the first terminal device receives the newly transmitted resource scheduled by the network device, and the HARQ process ID associated with the resource is the same as the first HARQ process ID.
- the first terminal device sends the sideline data to the second terminal device on the second sideline authorization, or, the first terminal device sends the first HARQ process data to the second terminal device on the second sideline authorization.
- the corresponding side row data is
- the side row data is associated with the first preset duration.
- the side row data is associated with the first HARQ process ID or the first HARQ process.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first HARQ process ID can be obtained in any one or several of the following ways:
- the first terminal device authorizes the HARQ process ID determined for the second side according to the preset algorithm or the calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the second side authorization indicated by the first terminal device; or,
- the first terminal device authorizes and determines the HARQ process ID for the second side.
- the first timer expires, and the first terminal device does not obtain the resource for retransmission; or,
- the first timer expires, and the first terminal device has not acquired the resource used for (data) retransmission of the first HARQ process.
- the resource used for (data) retransmission of the first HARQ process may be understood as a resource or retransmission resource associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first timer expires, and the first terminal device has not acquired the resources or retransmission resources scheduled by the network device for the first HARQ process of the first terminal device.
- the first timer expires, and the first terminal device does not obtain the resource or retransmission resource for the first HARQ process that the first terminal device competes with or selects or perceives by itself.
- the resource or retransmission resource of the first HARQ process may be understood as the resource or retransmission resource associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first HARQ process ID can be obtained in any one or several of the following ways:
- the first terminal device determines the HARQ process ID for the retransmission resource according to a preset algorithm or a calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the retransmission resource indicated by the first terminal device; or,
- the second condition is met, the first timer is started or restarted, the first timer expires, and the first terminal device does not obtain the resource for retransmission, then the first terminal device can pass the first For the retransmission of data from this resource, please refer to the above description for the specific content of the second condition.
- the content related to the condition for stopping and/or resetting the first timer is the same as the condition for stopping and/or resetting the timing of the first preset duration, please refer to the above description, and will not be repeated here.
- the duration of the first timer may be pre-configured, or configured by the network device for the first terminal device, or specified by the communication protocol, which is not specifically limited here.
- the first terminal device Before, during or after the time domain location of the resource associated with the first HARQ process ID, the first terminal device does not obtain the resource for retransmission; or,
- the first terminal device does not acquire the resource for retransmission.
- the first terminal device does not obtain the resource for (data) retransmission of the first HARQ process.
- the resource associated with the first HARQ process ID can be understood as the resource associated with the first HARQ process with the same HARQ process ID, or the resource associated with the same HARQ process ID with the second side authorization, or the resource associated with the first HARQ process.
- Resource of HARQ process ID can be understood as the resource associated with the first HARQ process with the same HARQ process ID, or the resource associated with the same HARQ process ID with the second side authorization, or the resource associated with the first HARQ process.
- the first terminal device transmits on the second side authorization
- the second side authorization is associated with the first HARQ process ID
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first terminal device fails to transmit on the second side line authorization.
- the first terminal device Before, during, or after the next or next N resources associated with the same first HARQ process and/or first HARQ process ID, the first terminal device does not obtain the network device scheduled for the first HARQ process of the first terminal device Resources or retransmission resources.
- the first terminal device Before, during, or after the next or next N resources associated with the same first HARQ process and/or first HARQ process ID, the first terminal device does not obtain the target that the first terminal device competes with or selects or perceives. Resources or retransmission resources of the first HARQ process.
- the resource or retransmission resource of the first HARQ process may be understood as the resource or retransmission resource associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the first terminal device does not obtain the resource for retransmission.
- the first terminal device sends data on the second side line authorization.
- the second side line authorization is associated with the first HARQ process or the first HARQ process ID
- the first side line authorization is also associated with the first HARQ process or the first HARQ process ID.
- the first HARQ process ID is associated.
- the first terminal device does not obtain the resources or retransmission resources scheduled by the network device for the first HARQ process of the first terminal device.
- the first terminal device does not obtain the resources or retransmission resources for the first HARQ process that the first terminal device competes with or selects or perceives by itself.
- the second side authorization is associated with the first HARQ process and/or the first HARQ process ID.
- the first terminal device does not obtain the resource for retransmission.
- the first HARQ process ID associated with the first side authorization can be obtained in any one or several of the following ways:
- the first terminal authorizes the HARQ process ID determined by the first side line according to the preset algorithm or the calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the first side authorization indicated by the first terminal; or,
- the first terminal authorizes and determines the HARQ process ID for the first side.
- the first HARQ process ID associated with the second side bank authorization can be obtained in any one or several of the following ways:
- the first terminal device authorizes the HARQ process ID determined for the second side according to the preset algorithm or the calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the second side authorization indicated by the first terminal device; or,
- the first terminal device authorizes and determines the HARQ process ID for the second side.
- N is greater than or equal to 1; the value of N may be configured by the network device for the first terminal device, or may be pre-configured, or may be defined in the protocol, which is not limited here.
- the first terminal For any one or more of the first HARQ process, the first HARQ process ID, the second side authorization, the data transmitted on the first HARQ process, and the data transmitted on the second side authorization, the first terminal The number of times the device sends NACKs to the network device does not reach the first preset threshold; or,
- the NACK may be negative acknowledgement (NACK).
- NACK negative acknowledgement
- the NACK may include the second confirmation information, and may also include the NACK sent before or after the second confirmation information.
- the first preset threshold may be pre-configured, or configured by the network device for the first terminal device, or specified by the communication protocol, which is not specifically limited here.
- the first terminal For any one or more of the first HARQ process, the first HARQ process ID, the second side authorization, the data transmitted on the first HARQ process, and the data transmitted on the second side authorization, the first terminal The number of times that the device sends NACKs to the network device reaches the first preset threshold; or,
- the NACK may be negative acknowledgement (NACK).
- NACK negative acknowledgement
- the NACK may include the second confirmation information, and may also include the NACK sent before or after the second confirmation information.
- the first preset threshold may be pre-configured, or configured by the network device for the first terminal device, or specified by the communication protocol, which is not specifically limited here.
- the first terminal device fails to send data to the second terminal device on the first HARQ process, or the first terminal device fails to send data to the second terminal device on the second side authorization.
- the transmission failure on the first HARQ process, or the transmission failure on the second side authorization includes any one or any of the following:
- the first terminal device does not receive feedback on the reception of the data on the first HARQ process and/or the second side authorization; or,
- the first terminal device does not completely receive the feedback on the reception of the data on the first HARQ process and/or the second side authorization.
- the second side row authorization is associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- this situation may be applicable to unicast and multicast scenarios.
- this case may be applicable to the case where the HARQ feedback is ACK/NACK.
- the first terminal device uses the first HARQ process to send data to other terminal devices, and the first terminal device does not receive feedback or the first terminal device does not receive feedback from other terminal devices.
- the device thinks that other terminal devices have failed to receive the data.
- the first terminal device receives the NACK information for the data on the first HARQ process and/or the second side authorization; or,
- the second side row authorization is associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the NACK information is used to indicate that the second terminal device has not successfully received the first HARQ process and/or the data on the second side authorization sent by the first terminal device.
- the NACK information may be NACK.
- this situation may be applicable to unicast and multicast scenarios.
- this case may be applicable to the case where HARQ feedback is NACK only and ACK/NACK.
- the first terminal device uses the first HARQ process to send data to other terminal devices, the first terminal device receives a NACK or the first terminal device receives a NACK from another terminal device, the first terminal device considers Other terminal equipment failed to receive the data.
- the first terminal device receives the ACK information sent by the third terminal device and the NACK information sent by the fourth terminal device; or,
- the ACK information is used to indicate that the third terminal device successfully receives the data on the first HARQ process and/or the second side authorization sent by the first terminal device.
- the ACK information may be ACK.
- the NACK information is used to indicate that the fourth terminal device has not successfully received the data on the first HARQ process and/or the second side authorization sent by the first terminal device.
- the NACK information may be NACK.
- the second side row authorization is associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- this possible implementation is applied to a scenario where the first terminal device performs multicasting, and the third terminal device and the fourth terminal device are multicast objects. At this time, all the objects multicasted by the first terminal device cannot be received. Data on the authorization to the first HARQ process and/or the second side.
- this situation can be applied to a multicast scenario.
- this case may be applicable to the case where the HARQ feedback is NACK only and ACK/NACK.
- the first terminal device uses the first HARQ process to send data to other terminal devices, and the first terminal device receives NACK and ACK or the first terminal device receives NACK and ACK from other terminal devices.
- the first terminal device thinks that other terminal devices have failed to receive the data.
- the first terminal device sends NACK information to the network device.
- the first terminal device sends NACK information for any one or more of the first HARQ process, the first HARQ process ID, and the second side authorization to the network device.
- the NACK information may be NACK.
- the NACK information is used to indicate that the first terminal device fails to transmit on the side link, or is used to indicate that the first terminal device fails to transmit on the second side line authorization, or, is used to indicate the first terminal device
- the transmission on the HARQ process corresponding to the first HARQ process ID fails, or it is used to request the network device for resources for retransmitting side link data, or it is used to request the network device to retransmit the second side row Authorize the resource for the data that failed to be transmitted, or request the network device for the resource for retransmitting the data that failed to be transmitted on the HARQ process corresponding to the first HARQ process ID.
- the second side row authorization is associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- Operation 301 is an optional operation, that is, the device manufacturer can store the content of the second indication information in the terminal device before the terminal device leaves the factory.
- the content of the second indication information may be stipulated by an agreement or a standard. In this way, the network device does not need to send the second indication information to the terminal device.
- the second side authorization includes any one or more of the following:
- the first type of side link configures authorized resources; or,
- the second type of side link configures authorized resources; or,
- a configuration authorization resource set of the side link, the configuration authorization resource set includes one or more configuration authorization resource indexes corresponding to the configuration authorization resource.
- the type of the first resource includes any one or more of the following:
- the first type of side link configures authorized resources; or,
- the second type of side link configures authorized resources; or,
- a configuration authorization resource set of the side link, the configuration authorization resource set includes one or more configuration authorization resource indexes corresponding to the configuration authorization resource.
- the second confirmation information is used to indicate that the first terminal device fails to transmit on the side link, or is used to indicate that the first terminal device fails to transmit on the second side line authorization, or, is used to indicate that the first terminal device fails to transmit on the second side line authorization.
- the transmission on the HARQ process corresponding to the first HARQ process ID of a terminal device fails, or it is used to request the network device for resources for retransmitting side link data, or it is used to request the network device to retransmit the first
- the two-side line authorizes the resource of the data that fails to be transmitted, or is used to request the network device to retransmit the resource of the data that has failed to be transmitted on the HARQ process corresponding to the first HARQ process ID.
- the second side authorization is associated with the first HARQ process ID.
- the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the second confirmation information may be NACK.
- the type of the first resource or the second indication information may be configured by the network device (for example, through RRC signaling or SIB or MAC signaling or physical layer signaling or DCI or PDCCH) for the first terminal device, It can also be pre-configured or defined by the protocol.
- the configuration can be the authorized resource index (for example, CG index) resource for the configuration of each side link (for example, CG1 and CG2 can be configured separately) or the configuration authorized resource for the side link (for example, CG resource) or the side link
- the first type of configuration authorization resource for example, CG type1 resource
- the second type of configuration authorization resource for side links for example, CG type2 resource
- Dynamic authorized resources for example, DG1 or dynamic authorized resources of side links or resources of the first mode of side links or resources of the second mode of side links, or each UE or each HARQ process ID or HARQ process Or it is configured for each LCH or each LCG or each SLRB or each resource pool or each cell or each region.
- the type of the first type of resource can be understood as the type to which the first type of resource belongs.
- the configuration granularity of the first type of resource and the configuration granularity of the second indication information may be different or the same.
- resource index for example, CG index
- resources for example, CG1 and CG2 can be configured separately
- side link configuration authorized resources for example, CG resources
- side links can be authorized for the configuration of each side link
- the first type of configuration authorized resource for example, CG type1 resource
- the second type of side link configuration authorized resource for example, CG type2 resource
- the dynamic authorized resources for example, DG1 or the dynamic authorized resources of the side link or the resources of the first mode of the side link or the resources of the second mode of the side link are configured.
- the configuration authorized resource index (for example, CG index) resources for the configuration of each side link can be understood as each CG index type resource can be configured separately, and the configuration of CG1 and CG2 are separate , The configuration of CG1 and CG2 may be different.
- the network device schedules the CG1 resource for the first terminal device, and the network device configures the CG1 resource for the first terminal device, which belongs to the first type of resource.
- the network device schedules the CG2 resource for the first terminal device, and the network device does not configure the CG2 resource for the first terminal device, which belongs to the first type of resource.
- the network device configures the second indication information for the CG1 resource of the first terminal device; for the transmission related to the CG1 resource of the first terminal device, the first terminal device can use the first type of resource to perform the transmission that satisfies the above-mentioned second preset condition. Retransmission or new transmission.
- the network device does not configure the second indication information for the CG2 resource of the first terminal device; for the transmission related to the CG2 resource of the first terminal device, the first terminal device may not use the first type of resource to perform the transmission that satisfies the above-mentioned second preset condition Retransmission or new transmission.
- the configuration for each terminal device can be understood as the configuration for each terminal device separately.
- the configurations of UE1 and UE2 are separate, and the configurations of UE1 and UE2 may be different.
- the resource of the side link of the first terminal device that the network device configures for the first terminal device belongs to the first type of resource.
- the resource of the side link of the second terminal device that is not configured by the network device for the second terminal device belongs to the first type of resource.
- the network device configures the second indication information for the first terminal device; for the transmission of the UE1, if the foregoing second preset condition is met, the first terminal device may use the first type of resource for retransmission or new transmission.
- the network device does not configure the second indication information for the second terminal device; for the transmission of the UE2, the second preset condition is met, and the second terminal device cannot use the first type of resource for retransmission or new transmission.
- the configuration for each logical channel can be understood as a separate configuration for each logical channel.
- the configuration of LCH1 and LCH2 are separate, and the configuration of LCH1 and LCH2 may be different.
- the resource corresponding to the LCH1 configured by the network device for the first terminal device belongs to the first type of resource.
- the network device does not configure the resource corresponding to the LCH2 for the first terminal device and belongs to the first type of resource.
- the network device configures the second indication information for the LCH1; for the transmission related to the LCH1, the first terminal device can use the first type of resource for retransmission or new transmission if the above second preset condition is met.
- the network device does not configure the second indication information for the LCH2; for the transmission related to the LCH2, if the above second preset condition is met, the first terminal device cannot use the first type of resource for retransmission or new transmission.
- each logical channel group can be understood as each logical channel group can be configured separately.
- the configuration of LCG1 and LCG2 are separate, and the configuration of LCG1 and LCG2 may be different.
- the resource corresponding to the LCG1 configured by the network device for the first terminal device belongs to the first type of resource.
- the network device does not configure the resource corresponding to the LCG2 for the first terminal device and belongs to the first type of resource.
- the network device configures the second indication information for the LCG1; for the transmission related to the LCG1, the first terminal device can use the first type of resource for retransmission or new transmission if the foregoing second preset condition is satisfied.
- the network device does not configure the second indication information for the LCG2; for the transmission related to the LCG2, if the above second preset condition is met, the first terminal device cannot use the first type of resource for retransmission or new transmission.
- each SLRB can be understood to be that each SLRB can be configured separately, the configuration of SLRB1 and SLRB2 are separate, and the configuration of SLRB1 and SLRB2 may be different.
- the resource corresponding to SLRB1 configured by the network device for the first terminal device belongs to the first type of resource.
- the resource corresponding to SLRB2 is not configured on the network device and belongs to the first type of resource.
- the network device configures the second indication information for SLRB1; for the transmission related to SLRB1, the first terminal device can use the first type of resource to perform retransmission or new transmission if the foregoing second preset condition is satisfied.
- the network device does not configure the second indication information for SLRB2; for the transmission related to SLRB2, if the above second preset condition is met, the first terminal device may not use the first type of resource for retransmission or new transmission.
- each resource pool can be understood to be that each resource pool can be configured separately.
- the configuration of resource pool 1 and resource pool 2 are separate, and the configuration of resource pool 1 and resource pool 2 may be different different.
- the resource corresponding to the network device configuration resource pool 1 belongs to the first type of resource.
- the resource corresponding to resource pool 2 is not configured for the network device and belongs to the first type of resource.
- the network device configures the second indication information for the resource pool 1; for the transmission related to the resource pool 1, and the second preset condition is satisfied, the first terminal device can use the first type of resource for retransmission or new transmission.
- the network device does not configure the second indication information for the resource pool 2; for the transmission related to the resource pool 2, the first terminal device cannot use the first type of resource for retransmission or new transmission if the above second preset condition is met.
- the configuration for each HARQ process can be understood as a separate configuration for each HARQ process.
- the configuration of HARQ process 1 and HARQ process 2 are separate, and the configuration of HARQ process 1 and HARQ process 2 may be different. different.
- the resource corresponding to the HARQ process 1 configured by the network device for the first terminal device belongs to the first type of resource.
- the resource corresponding to the HARQ process 2 is not configured by the network device for the first terminal device belongs to the first type of resource.
- the network device configures the second indication information for HARQ process 1; for transmissions related to HARQ process 1, the first terminal device may use the first type of resource for retransmission or new transmission if the foregoing second preset condition is satisfied.
- the network device does not configure the second indication information for HARQ process 2; for transmissions related to HARQ process 2, the first terminal device cannot use the first type of resource for retransmission or new transmission if the foregoing second preset condition is met.
- each HARQ process ID can be understood as a separate configuration for each HARQ process ID.
- the configuration of HARQ process ID1 and HARQ process ID2 are separate, and the configuration of HARQ process ID1 and HARQ process ID2 Maybe it will be different.
- the resource corresponding to the HARQ process ID1 configured by the network device for the first terminal device belongs to the first type of resource.
- the network device does not configure the resource corresponding to the HARQ process ID2 for the first terminal device and belongs to the first type of resource.
- the network device configures the second indication information for the HARQ process ID1; for the transmission related to the HARQ process ID1, the first terminal device can use the first type of resource for retransmission or new transmission if the second preset condition is satisfied.
- the network device does not configure the second indication information for the HARQ process ID2; for the transmission related to the HARQ process ID2, if the foregoing second preset condition is met, the first terminal device cannot use the first type of resource for retransmission or new transmission.
- the configuration for each cell can be understood as the configuration for each cell separately.
- the configuration of cell 1 and cell 2 are separate, and the configuration of cell 1 and cell 2 may be different.
- the network equipment configures the resource corresponding to cell 1 to belong to the first type of resource.
- the network equipment does not configure the resource corresponding to cell 2 to belong to the first type of resource. For example, through SIB configuration.
- the network device configures the second indication information for the cell 1; for the transmission related to the cell 1, and the second preset condition is satisfied, the first terminal device can use the first type of resource for retransmission or new transmission.
- the network device does not configure the second indication information for the cell 2; for the transmission related to the cell 2, the first terminal device cannot use the first type of resource for retransmission or new transmission if the foregoing second preset condition is satisfied.
- the configuration for each area can be understood as a separate configuration for each area.
- the configuration of the area 1 and the area 2 are separate, and the configuration of the area 1 and the area 2 may be different.
- the resource corresponding to network device configuration area 1 belongs to the first type of resource.
- the network device is not configured with resources corresponding to area 2 belonging to the first type of resources.
- SIB configuration For example, through SIB configuration.
- an area may include one or more cells. The area may be the area described in the area-specific SIB.
- the network device configures the second indication information for area 1; for transmissions related to area 1, the first terminal device can use the first type of resource to perform retransmission or new transmission if the foregoing second preset condition is satisfied.
- the network device does not configure the second indication information for area 2; for the transmission related to area 2, the first terminal device may not use the first type of resource for retransmission or new transmission if the foregoing second preset condition is met.
- SIB configuration For example, an area may include one or more cells. The area may be the area described in the area-specific SIB.
- the configuration granularity of different indication information/resources may be the same or different.
- the configuration granularity of the same indication information/resource may be a superposition of (1)-(8) above, for example, it may be a superposition of (1) and (2).
- the first terminal device receives the instruction information 1 sent by the network device, and the instruction information 1 is used to indicate that the first terminal device can request the network device for resources for side link retransmission; for example, the first terminal device If a terminal device fails to transmit on the second side line authorization, the first terminal device may send a negative confirmation to the network device for requesting resources for the first HARQ process retransmission from the network device; the network device receives the negative confirmation, The network device may schedule the dynamically authorized resources of the side link for the first terminal device for retransmission of data on the first HARQ process.
- the first terminal device receives the instruction information 2 sent by the network device, and the instruction information 2 is used to indicate that the first terminal device can use the first type of resource to perform side link retransmission; for example, the first terminal device is authorized on the second side line If the transmission fails, the first terminal device can use the first type of resource to retransmit the data on the first HARQ process.
- the second side row authorization is associated with the first HARQ process ID, and the HARQ process corresponding to the first HARQ process ID may be referred to as the first HARQ process.
- the indication information 1 may be configured by the network device (for example, through RRC signaling or SIB or MAC signaling or physical layer signaling or DCI or PDCCH) for the first terminal device, or may be pre-configured, or It is defined by the agreement.
- the network device for example, through RRC signaling or SIB or MAC signaling or physical layer signaling or DCI or PDCCH
- the indication information 1 may be configured by the network device (for example, through RRC signaling or SIB or MAC signaling or physical layer signaling or DCI or PDCCH) for the first terminal device, or may be pre-configured, or It is defined by the agreement.
- the network device for example, through RRC signaling or SIB or MAC signaling or physical layer signaling or DCI or PDCCH
- the specific meaning is different from the meaning of the second indication information in the embodiment described in FIG. 3, please refer to the meaning of indication information 1.
- the indication information 2 may be configured by the network device (for example, through RRC signaling or SIB or MAC signaling or physical layer signaling or DCI or PDCCH) for the first terminal device, or may be pre-configured, or It is defined by the agreement.
- the network device for example, through RRC signaling or SIB or MAC signaling or physical layer signaling or DCI or PDCCH
- the indication information 2 may be configured by the network device (for example, through RRC signaling or SIB or MAC signaling or physical layer signaling or DCI or PDCCH) for the first terminal device, or may be pre-configured, or It is defined by the agreement.
- the network device for example, through RRC signaling or SIB or MAC signaling or physical layer signaling or DCI or PDCCH
- the specific meaning is different from the meaning of the second indication information in the embodiment described in FIG. 3, please refer to the meaning of indication information 2.
- the first terminal device receives the instruction information 1 and the instruction information 2 sent by the network device, or the first terminal device receives the instruction information 1 and the instruction information 2, which can be understood as the first terminal device receiving the second information sent by the network device.
- Instructions. 302. The second preset condition is met, and the first terminal device authorizes retransmission or new transmission of the data of the first HARQ process through the first side line.
- the first terminal device retransmits the data of the first HARQ process on the side link through the first side line authorization.
- the first side row authorization belongs to the first type of resource.
- the first terminal device newly transmits the data of the first HARQ process on the side link through the first side line authorization. It can be understood that the terminal device regards the data of the first HARQ process as a new transmission data, and transmits it on the first side line authorization.
- the first HARQ process is the HARQ process in which the first terminal device fails to transmit data.
- the first type of resource includes the first side authorization.
- the first terminal device may select the first side row authorization from the first type of resource, and then retransmit the data of the first HARQ process on the side link through the first side row authorization.
- any one or any of the following factors may be considered:
- the size of the sideline authorization For example, it is determined whether the first side authorization can accommodate the data of the first HARQ process. If the data of the first HARQ process can be accommodated, the first side authorization may be selected to retransmit the data on the first HARQ process. For another example, determine whether the size of the first side line authorization is greater than and/or equal to the size of the second side line authorization. If the size of the first side line authorization is greater than and/or equal to the size of the second side line authorization, you can consider choosing The first side authorizes to retransmit the data on the first HARQ process.
- the first terminal device may consider selecting the first side line authorization to retransmit the data on the first HARQ process.
- the priority of data transmission on the first side authorization and the priority of data on the first HARQ process For example, to determine the priority of the data to be transmitted on the first side row authorization and the priority of the data of the first HARQ process, if the priority of the data transmission of the first HARQ process is higher, the first terminal device may consider selecting The first side row authorizes retransmission of the data on the first HARQ process.
- the priority includes quality of service (quality of service, QoS) information, or short-range packet granularity priority (PPPP) value, or the priority of the logical channel in the MAC PDU, or MAC
- quality of service quality of service
- PPPP packet granularity priority
- the priority of the logical channel in the MAC PDU etc. For example, it can be compared according to the priority of the logical channel where the two data are located, or it can be compared according to the priority of the logical channel where the two data are located.
- the priority of the logical channel is higher, which can be understood as the priority of the data. high.
- the first A terminal device may consider selecting the first side row authorization to retransmit the data on the first HARQ process.
- the first threshold may be pre-configured, or configured by the network device for the first terminal device, or specified by the communication protocol, or determined by the network device according to certain rules and notified to the first terminal device, or
- the first terminal device is defined when it leaves the factory, which is not specifically limited in this application.
- the start time domain position of the first side authorization is before the other authorizations, that is, the transmission time of the first side authorization is earlier than the other side authorizations. Then the first terminal device may consider selecting the first side row authorization to retransmit the data on the first HARQ process.
- the first terminal device may consider selecting the first side authorization to retransmit the data on the first HARQ process.
- the HARQ process ID associated with the first side authorization can be obtained by any one or several of the following methods:
- the first terminal device authorizes the HARQ process ID determined by the first side line according to the preset algorithm or the calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the first side authorization indicated by the first terminal device; or,
- the first terminal device authorizes and determines the HARQ process ID for the first side.
- the first terminal device may preferentially select a resource of the same resource type as the resource used in the initial data transmission or the last transmission of the first HARQ process. For example, the first terminal device performs initial transmission on the second side line authorization, the second side line authorization is associated with the first HARQ process ID, and the second side line authorization is for configuring authorized resources. When the second preset condition is satisfied, the first terminal device may consider selecting and configuring authorized resources to retransmit data on the first HARQ process.
- the first terminal device may consider selecting the first side authorization to retransmit the data on the first HARQ process.
- the first terminal device may use the shortest time interval with the second side row authorization, the first side row authorization that has no data transmission on the side row authorization, and can accommodate the data of the first HARQ process as the first side row authorization for retransmission.
- the data resources of the first HARQ process for another example, the first terminal device can minimize the time interval between the first terminal device and the second side line authorization, and the priority of the data to be transmitted on the side line authorization is lower than that of the first HARQ process.
- the priority of the data, and the first side row that can accommodate the data of the first HARQ process is authorized as a resource for retransmitting the data of the first HARQ process.
- the retransmission of the data transmitted on the second side authorization preempts the newly transmitted data that was originally authorized on the first side.
- the first terminal device can request retransmission resources for the newly transmitted data originally to be authorized on the first side, or continue to use the newly transmitted data as the amount of newly transmitted data to be transmitted.
- a CG resource or a CG resource set can be set for a CG resource or a set of CG resources.
- this ratio threshold or number of times threshold is exceeded, the CG resource or the CG resource set can no longer be used for retransmission, so that the retransmission of high-priority services does not always preempt the new transmission of low-priority services.
- the ratio threshold or the frequency threshold may be pre-configured, or configured by the network device for the first terminal device, or specified by the communication protocol, or determined by the network device according to certain rules and notify the first terminal device , Or the first terminal device is defined when it leaves the factory, which is not specifically limited in this application.
- the first terminal device may first select a resource type, and then select the first side authorization based on the consideration factors for selecting the side authorization, and
- the selection of specific resource types can consider any one or several of the following factors:
- the priority of the resources in the first mode of the side link is higher or lower than the priority of the resources in the second mode of the side link;
- the first terminal device may preferentially select the resources of the first mode of the side link, and then select the resources of the side link.
- the first side row authorization is selected from the resources of the first mode of the link, and the first side row authorization can be selected in combination with the above considerations regarding the selection of the first side row authorization.
- the priority of the dynamically authorized resources of the side link is higher or lower than the priority of the configured authorized resources of the side link
- the first terminal device may preferentially select the dynamic authorized resource of the side link, and then use the dynamic authorized resource of the side link. Select the first side line authorization, and the first side line authorization can be selected in combination with the above considerations about selecting the first side line authorization.
- the priority of the first type configuration authorized resource of the side link is higher or lower than the priority of the second type configuration authorized resource of the side link;
- the second side row authorization is the resource used for the last transmission of the data of the first HARQ process.
- the resources of the same type as the resource type authorized by the second side row can be selected preferentially.
- the resource type authorized by the second side row is DG resource, then if the currently available resource has DG or mode1 resource, then DG or mode1 resource is preferentially selected as the resource type authorized by the first side row.
- the QoS requirement of the data of the first HARQ process is lower or higher than the second threshold, select the resources of the first mode of the side link, the resources of the second mode of the side link, and the dynamic authorized resources of the side link , The configuration authorized resources of the side link, the first-type configuration authorized resources of the side link, and the second-type configuration authorized resources of the side link to retransmit the resources on the first HARQ process data.
- the second threshold may be pre-configured, or configured by the network device for the first terminal device, or specified by the communication protocol, or determined by the network device according to certain rules and notified to the first terminal device, or
- the first terminal device is defined when it leaves the factory, which is not specifically limited in this application.
- the first terminal device retransmits or newly transmits the data of the first HARQ process on the side link through the first side row authorization.
- the third HARQ process ID and the first HARQ process ID associated with the first side row authorization may be the same or different.
- the third HARQ process ID associated with the first side authorization can be obtained in any one or several of the following ways:
- the first terminal device authorizes the HARQ process ID determined by the first side line according to the preset algorithm or the calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the first side authorization indicated by the first terminal device; or,
- the first terminal device authorizes and determines the HARQ process ID for the first side.
- the method may further include the following operations: 303.
- the first terminal device sends the first HARQ process ID to the second terminal device.
- the first HARQ process ID is different from the third HARQ process ID.
- the first terminal device sends the first HARQ process ID to the second terminal device to inform the second terminal device that the data retransmitted through the first side line authorization is the first Retransmission data of a HARQ process, so that the second terminal device can successfully receive the retransmission data.
- the first terminal device sends the first HARQ process ID to the second terminal device through sidelink control information (SCI).
- SCI sidelink control information
- the NDI corresponding to the first HARQ process may be carried in the SCI and sent to the second terminal device.
- the first HARQ process and/or the first HARQ process ID associated with the first side line authorization can be understood as the first HARQ process ID carried in the SCI corresponding to the first side line authorization.
- the method may further include the following operations: 304: The first terminal device releases the HARQ process identified by the first HARQ process ID or clears the HARQ buffer corresponding to the HARQ process identified by the first HARQ process ID.
- the HARQ process identified by the first HARQ process ID can be prevented from being occupied all the time.
- the first HARQ process and/or the new data indicator (new data indicator, NDI) corresponding to the first HARQ process ID is not reversed, that is, retransmission is instructed.
- the first HARQ process and/or the NDI corresponding to the first HARQ process ID is reversed, that is, indicating a new transmission.
- the first HARQ process may be associated with any one or several of the first HARQ process ID, the first source address, the first destination address, and the communication type.
- operation 301, operation 302, and step 304 may constitute an embodiment.
- the above operations 301 to 303 may constitute an embodiment.
- the above operations 301 to 304 may constitute an embodiment.
- the first terminal device receives second indication information from the network device, and the second indication information is used to indicate that the second preset condition is met, and the side link data is retransmitted through the first type of resource.
- the first type of resource includes the resource scheduled by the network device for the first terminal device and/or the resource selected or competed or perceived by the first terminal device; when the second preset condition is satisfied, the first terminal device The data of the first HARQ process is retransmitted or newly transmitted through the first side line authorization, the first type of resource includes the first side line authorization, and the second preset condition includes any one or more of the following: first terminal device The resource for retransmission of the first HARQ process is not acquired within the first preset time period; or, the first timer expires and the first terminal device does not acquire the resource for retransmission of the first HARQ process; or, and Before, during or after the resource associated with the first HARQ process ID of the first HARQ process, the first terminal device does not obtain the
- FIG. 4 is a schematic diagram of another embodiment of a communication processing method according to an embodiment of this application.
- the method includes: 401.
- a fourth preset condition is met, and the first terminal device generates fourth confirmation information.
- the fourth confirmation information is used to indicate that the first terminal device fails to transmit on the side link, or is used to indicate that the first terminal device fails to transmit on the sixth side line authorization, or, is used to indicate to the first terminal
- the transmission on the HARQ process corresponding to the seventh HARQ process ID of the device fails, or it is used to request the network device for resources for retransmitting side link data, or it is used to request the network device to retransmit the sixth side
- the sixth side row authorization is associated with the seventh HARQ process ID.
- the HARQ process corresponding to the seventh HARQ process ID may be referred to as the seventh HARQ process.
- the seventh HARQ process ID associated with the sixth side authorization can be obtained in any one or several of the following ways:
- the first terminal device is the HARQ process ID authorized and determined for the sixth side according to the preset algorithm or the calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the sixth side authorization indicated by the first terminal device; or,
- the first terminal device authorizes and determines the HARQ process ID for the sixth side.
- the fourth confirmation information may be NACK.
- the fourth preset condition includes any one or more of the following:
- the first terminal device does not obtain resources for retransmission within the third preset time period; or,
- the first terminal device does not acquire the resource for (data) retransmission of the seventh HARQ process within the third preset time period.
- the first terminal device does not acquire the resources or retransmission resources scheduled by the network device for the seventh HARQ process of the first terminal device within the third preset time period.
- the first terminal device does not obtain the resource or retransmission resource for the seventh HARQ process that the first terminal device competes for, selects, or perceives by itself within the third preset period of time.
- the resource or retransmission resource of the seventh HARQ process may be understood as the resource or retransmission resource associated with the seventh HARQ process ID.
- the process corresponding to the seventh HARQ process ID may be referred to as the seventh HARQ process.
- the seventh HARQ process ID associated with the resource or the retransmission resource can be obtained in any one or several of the following ways:
- the first terminal device determines the HARQ process ID for the resource or the retransmission resource according to a preset algorithm or a calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the resource or the retransmission resource indicated by the first terminal device; or,
- the first terminal device may send the network to the network
- the device sends fourth confirmation information, where the fourth condition includes any one or more of the following:
- the first terminal device sends the fifth confirmation information to the network device, or after the first terminal device sends the fifth confirmation information to the network device; or,
- the sending of the fifth confirmation information by the first terminal device to the network device may be understood as the moment when the first terminal device sends the fifth confirmation information to the network device.
- the first terminal device after the first terminal device sends the fifth confirmation information to the network device, it may be understood as the moment after the first terminal device sends the fifth confirmation information to the network device.
- the sixth side row authorization is associated with the fourth PUCCH resource.
- the fourth PUCCH resource is associated with any one or more of the seventh HARQ process ID or the resource corresponding to the seventh HARQ process or the seventh HARQ process ID or the resource corresponding to the seventh HARQ process.
- the first terminal device sends fifth confirmation information on the fourth PUCCH resource.
- the first terminal device sends data on the sixth side row authorization, or after the first terminal device sends data on the sixth side row authorization; or, the first terminal device sends the seventh HARQ on the sixth side row authorization
- the first terminal device sending data on the sixth side authorization may be understood as the moment when the first terminal device sends data on the sixth side authorization.
- the first terminal device sends data on the sixth side row authorization
- the first terminal device sending the data corresponding to the seventh HARQ process on the sixth side authorization can be understood as the moment when the first terminal device sends the data corresponding to the seventh HARQ process on the sixth side authorization.
- the first terminal device sends the data corresponding to the seventh HARQ process on the sixth side authorization
- the sixth side row authorization corresponds to the fourth PUCCH resource
- the first terminal device sends the fifth confirmation information to the network device through the fourth PUCCH resource.
- the first terminal device sends data on the sixth side authorization, or the first terminal device sends data corresponding to the seventh HARQ process on the sixth side authorization.
- the first terminal device receives a NACK for (data of) the seventh HARQ process; or,
- the first terminal device receives (transmitted) the NACK from the second terminal device.
- the NACK sent by the second terminal device can be understood as the feedback of the second terminal device's reception status, or the feedback of the second terminal device's unsuccessful reception, or, for the seventh HARQ process (data), the first Second, the feedback of the reception situation of the terminal device, or, for the seventh HARQ process (data of), the feedback that the second terminal device has not successfully received. It is not limited that the NACK must be sent by the second terminal device.
- the first terminal device receives (sent) the NACK for the data of the seventh HARQ process from the second terminal device.
- the first terminal device receives (transmitted) the NACK for the data of the seventh HARQ process from the second terminal device at the third PSFCH resource or the third PSFCH opportunity (occasion) or the third PSFCH duration.
- the first terminal device sends data to the second terminal device on the sixth side authorization, or the first terminal device sends the data corresponding to the seventh HARQ process to the second terminal device on the sixth side authorization .
- the sixth side row authorization is associated with the seventh HARQ process ID, and the HARQ process corresponding to the seventh HARQ process ID may be referred to as the seventh HARQ process.
- the third PSFCH resource or the third PSFCH occasion or the third PSFCH duration is associated with any one or more of the sixth side authorization, the seventh HARQ process ID, and the seventh HARQ process.
- the first terminal device receives a NACK for (data of) the seventh HARQ process.
- the first terminal device receives (sent) the NACK for the data of the seventh HARQ process from the second terminal device.
- the first terminal device receives the NACK for the data of the seventh HARQ process sent by the second terminal device in the third PSFCH resource.
- the first terminal device sends data to the second terminal device on the sixth side authorization, or the first terminal device sends the data corresponding to the seventh HARQ process to the second terminal device on the sixth side authorization .
- the first terminal device does not receive feedback for the seventh HARQ process; or,
- the first terminal device does not completely receive the feedback for the seventh HARQ process.
- the first terminal device does not receive (send) feedback from the second terminal device.
- the first terminal device does not receive feedback for (the data of) the seventh HARQ process.
- the feedback of the second terminal device may be understood as the feedback of the receiving condition of the second terminal device, or the feedback of the receiving condition of the second terminal device for the seventh HARQ process (data). It is not limited that the feedback must be sent by the second terminal device.
- the first terminal device does not receive (transmit) feedback from the second terminal device at the third PSFCH resource or third PSFCH opportunity (occasion) or third PSFCH duration.
- the first terminal device does not receive (transmitted) feedback on the data of the seventh HARQ process from the second terminal device at the third PSFCH resource or the third PSFCH opportunity (occasion) or the third PSFCH duration.
- the feedback may be ACK or NACK.
- the first terminal device sends data to the second terminal device on the sixth side authorization, or the first terminal device sends the data corresponding to the seventh HARQ process to the second terminal device on the sixth side authorization .
- the sixth side row authorization is associated with the third PSFCH resource or the third PSFCH occasion or the third PSFCH duration.
- the third PSFCH resource or the third PSFCH occasion or the third PSFCH duration is associated with the seventh HARQ process ID and/or the seventh HARQ process.
- the first terminal device when the first terminal device communicates with other terminal devices (for example, unicast, multicast), and the HARQ feedback is ACK/NACK, the first terminal device is The data is sent to the second terminal device on the six-side line authorization, where the sixth side line authorization is associated with the seventh HARQ process and/or the seventh HARQ process ID; if the first terminal device does not receive the data from the third PSFCH resource The feedback of the second terminal device or the feedback of the first terminal device is not received, where the third PSFCH resource is associated with any one or more of the sixth side authorization, the seventh HARQ process ID, and the seventh HARQ process; The first terminal device considers that the second terminal device fails to receive.
- other terminal devices for example, unicast, multicast
- the HARQ feedback is ACK/NACK
- the first terminal device is The data is sent to the second terminal device on the six-side line authorization, where the sixth side line authorization is associated with the seventh HARQ process and/or the seventh HARQ process ID; if
- the third PSFCH resource or the third PSFCH occasion or the third PSFCH duration is associated with any one or more of the sixth side authorization, the seventh HARQ process ID, and the seventh HARQ process.
- the first terminal device sends data to the second terminal device on the sixth side authorization, or the first terminal device sends the data corresponding to the seventh HARQ process to the second terminal device on the sixth side authorization .
- the second terminal device sends feedback to the first terminal device on the third PSFCH resource, or the second terminal device sends the feedback corresponding to the seventh HARQ process to the first terminal device on the third PSFCH resource.
- the length of the third preset duration may be pre-configured, or configured by the network device for the first terminal device, or specified by the communication protocol, which is not specifically limited here.
- the fifth confirmation information is used to indicate that the first terminal device fails to transmit on the side link, or is used to indicate that the first terminal device fails to transmit on the sixth side line authorization, or, is used to indicate that the first terminal device fails to transmit on the side link.
- the transmission on the HARQ process corresponding to the seventh HARQ process ID of a terminal device fails, or it is used to request the network device for resources for retransmitting side link data, or it is used to request the network device to retransmit the first
- the six-side line authorizes the resource for the data that fails to be transmitted, or is used to request the network device for the resource for retransmitting the data that has failed to be transmitted on the HARQ process corresponding to the seventh HARQ process ID.
- the sixth side row authorization is associated with the seventh HARQ process ID.
- the HARQ process corresponding to the seventh HARQ process ID may be referred to as the seventh HARQ process.
- the fifth confirmation information may be NACK.
- the first terminal device obtains resources for retransmission; or,
- the first terminal device obtains resources used for (data) retransmission of the seventh HARQ process.
- the resource used for (data) retransmission of the seventh HARQ process may be understood as a resource or retransmission resource associated with the seventh HARQ process ID.
- the HARQ process corresponding to the seventh HARQ process ID may be referred to as the seventh HARQ process.
- the first terminal device obtains the resource or retransmission resource scheduled by the network device for the seventh HARQ process of the first terminal device.
- the first terminal device obtains the resource or retransmission resource for the seventh HARQ process that the first terminal device competes with or selects or perceives by itself.
- the resource or retransmission resource of the seventh HARQ process may be understood as the resource or retransmission resource associated with the seventh HARQ process ID.
- the HARQ process corresponding to the seventh HARQ process ID may be referred to as the seventh HARQ process.
- the success or completion of the transmission corresponding to the third preset duration, or the success or completion of the transmission corresponding to the seventh HARQ process includes any one or several of the following situations:
- the first terminal device does not receive the NACK for sideline data and/or the seventh HARQ process; or,
- this situation may be applicable to unicast and multicast scenarios.
- this case may be applicable to the case where the HARQ feedback is NACK only.
- the first terminal device uses the seventh HARQ process
- the first terminal device does not receive the NACK or the first terminal device does not receive the NACK at the time when the other terminal devices feedback, the first terminal device thinks that the other terminal devices have correctly received the data.
- the first terminal device receives an ACK for sideline data and/or the seventh HARQ process; or,
- the first terminal device receives all expected ACKs for sideline data and/or the seventh HARQ process.
- this situation may be applicable to unicast and multicast scenarios.
- this case may be applicable to the case where the HARQ feedback is ACK/NACK.
- the first terminal device uses the seventh HARQ process to send data to other terminal devices, and the first terminal device receives an ACK or the first terminal device receives an ACK from another terminal device, the first terminal device considers The other terminal equipment correctly received the data.
- the first terminal device receives the ACK for the side row data and/or the seventh HARQ process, and does not receive the NACK for the side row data; or,
- this situation may be applicable to unicast and multicast scenarios.
- this case may be applicable to the case where the HARQ feedback is ACK/NACK.
- the first terminal device uses the seventh HARQ process to send data to the other terminal devices If the first terminal device only receives the ACK or the first terminal device only receives the ACK from other terminal devices, the first terminal device considers that the other terminal devices have received the data correctly.
- the transmission of the side row data and/or the seventh HARQ process reaches the maximum transmission time; wherein the maximum transmission time can be a timer or a timer; or,
- the first terminal device feeds back an ACK to the network device.
- the ACK is used to indicate to the network device that the transmission on the side link is successful; or,
- the first terminal device discards the data corresponding to the seventh HARQ process, or clears the HARQ buffer corresponding to the seventh HARQ process, or releases the seventh HARQ process; or,
- the first terminal device receives the newly transmitted resource scheduled by the network device, and the HARQ process ID associated with the resource is the same as the seventh HARQ process ID.
- the first terminal device sends the sideline data to the second terminal device on the sixth sideline authorization, or, the first terminal device sends the seventh HARQ process data to the second terminal device on the sixth sideline authorization.
- the corresponding side row data is not limited to the sixth sideline authorization.
- the side row data is associated with a third preset duration.
- the side row data is associated with the seventh HARQ process ID or the seventh HARQ process.
- the HARQ process corresponding to the seventh HARQ process ID may be referred to as the seventh HARQ process.
- the third timer expires, and the first terminal device does not obtain the resource for retransmission; or,
- the third timer expires, and the first terminal device does not obtain the resource used for (data) retransmission of the seventh HARQ process.
- the resource used for (data) retransmission of the seventh HARQ process may be understood as a resource or retransmission resource associated with the seventh HARQ process ID.
- the third timer expires, and the first terminal device has not acquired the resources or retransmission resources scheduled by the network device for the seventh HARQ process of the first terminal device.
- the third timer expires, and the first terminal device does not obtain the resource or the retransmission resource for the seventh HARQ process that the first terminal device competes with or selects or perceives by itself.
- the resource or retransmission resource of the seventh HARQ process may be understood as the resource or retransmission resource associated with the seventh HARQ process ID.
- the seventh HARQ process ID can be obtained through any one or several of the following methods:
- the first terminal device determines the HARQ process ID for the retransmission resource according to a preset algorithm or a calculation method indicated by the network device; or,
- the network device is the HARQ process ID associated with the retransmission resource indicated by the first terminal device; or,
- the third timer is started or restarted, and the third timer expires.
- the first terminal device does not obtain the resource for retransmission, then the first terminal device can send the network The device sends the fourth confirmation message.
- the content related to the condition for stopping and/or resetting the third timer is the same as the condition for stopping and/or resetting the timing of the third preset duration, please refer to the above description, and will not be repeated here.
- the duration of the third timer may be pre-configured, or configured by the network device for the first terminal device, or specified by the communication protocol, which is not specifically limited in this application.
- the first terminal device Before, during or after the time domain location of the resource associated with the seventh HARQ process ID, the first terminal device does not obtain the resource for retransmission; or,
- the first terminal device does not acquire the resource for retransmission.
- the first terminal device does not acquire the resources used for (data) retransmission of the seventh HARQ process.
- the resource associated with the seventh HARQ process ID can be understood as the resource associated with the seventh HARQ process with the same HARQ process ID, or the resource associated with the same HARQ process ID with the sixth side authorization, or, associated with the seventh HARQ process.
- Resource of HARQ process ID can be understood as the resource associated with the seventh HARQ process with the same HARQ process ID, or the resource associated with the same HARQ process ID with the sixth side authorization, or, associated with the seventh HARQ process.
- the sixth side authorization is associated with the seventh HARQ process ID, and the HARQ process corresponding to the seventh HARQ process ID may be called the seventh HARQ process.
- the first terminal device fails to transmit on the sixth side line authorization.
- the first terminal device Before, during, or after the next or the next M resources associated with the same seventh HARQ process and/or seventh HARQ process ID, the first terminal device does not obtain that the network device is scheduled for the seventh HARQ process of the first terminal device Resources or retransmission resources.
- the first terminal device Before, during, or after the next or next M resources associated with the same seventh HARQ process and/or seventh HARQ process ID, the first terminal device does not obtain the target that the first terminal device competes with, or selects, or perceives. Resources or retransmission resources of the seventh HARQ process.
- the resource or retransmission resource of the seventh HARQ process may be understood as the resource or retransmission resource associated with the seventh HARQ process ID.
- the first terminal device does not obtain the resource for retransmission, where the first terminal device sends the PUCCH resource corresponding to the fifth side bank authorization to all
- the network device sends the fourth confirmation message.
- the first terminal device before the fifth side line authorization, the first terminal device sends data on the sixth side line authorization, the sixth side line authorization is associated with the seventh HARQ process and/or the seventh HARQ process ID, and the fifth side line authorization It is also associated with the seventh HARQ process ID.
- the fifth side authorization is the first or Mth resource associated with the seventh HARQ process and/or the seventh HARQ process ID after the sixth side authorization.
- the first terminal device does not obtain the resources or retransmission resources scheduled by the network device for the seventh HARQ process of the first terminal device.
- the first terminal device does not obtain the resources or retransmission resources for the seventh HARQ process that the first terminal device competes with or selects or perceives by itself.
- the fifth side authorization is associated with the seventh HARQ process ID and/or the seventh HARQ process.
- the first terminal device does not obtain the resource for retransmission.
- the seventh HARQ process ID associated with the fifth side authorization can be obtained by any one or several of the following methods:
- the first terminal device is the HARQ process ID authorized and determined by the fifth side according to the preset algorithm or the calculation method indicated by the network device; or,
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Abstract
Description
Claims (28)
- 一种通信处理方法,其特征在于,所述方法包括:第一终端设备未使用第一资源进行边链路传输,所述第一终端设备生成第一确认信息,所述边链路为所述第一终端设备和第二终端设备之间的无线直连通信链路;所述第一终端设备向所述网络设备发送所述第一确认信息。
- 根据权利要求1所述的方法,其特征在于,所述第一终端设备向所述网络设备发送所述第一确认信息,包括:所述第一终端设备通过第一物理上行控制信道PUCCH资源向所述网络设备发送所述第一确认信息。
- 根据权利要求1或2所述的方法,其特征在于,第一终端设备未使用第一资源进行边链路传输,包括以下任一种或任几种:第五混合自动重传请求HARQ进程的传输已经成功或结束,且所述第一终端设备获取到所述网络设备分配的重传资源,其中,所述重传资源为所述第一资源,所述第一资源与所述第五HARQ进程ID相关联;或者,所述第五HARQ进程所对应的HARQ缓存为空,其中,所述第一资源与所述第五HARQ进程ID相关联;或者,所述第五HARQ进程未获取数据,其中,所述第一资源与所述第五HARQ进程ID相关联。
- 根据权利要求1至3中的任一项所述的方法,其特征在于,第一终端设备未使用第一资源进行边链路传输,所述第一终端设备生成第一确认信息,包括:所述第一终端设备未使用所述第一资源进行边链路传输,且满足第一预设条件,所述第一终端设备生成所述第一确认信息;所述第一预设条件包括以下任一种或任多种:存在与所述第一资源对应的第一PUCCH资源;或者,所述第一资源未被第二资源抢占,所述第二资源为所述网络设备为所述第一终端设备调度的资源;或者,所述第一资源所对应的第一PUCCH资源未被用于向所述网络设备反馈与所述第五HARQ进程相关联的第九确认信息。
- 根据权利要求1至4中的任一项所述的方法,其特征在于,所述第一资源包括以下任一种或任多种:所述边链路的资源;或者,所述边链路的配置授权资源;或者,所述边链路的动态授权资源;或者,所述边链路的第一模式的资源;或者,所述边链路的第一类型配置授权资源;或者,所述边链路的第二类型配置授权资源。
- 根据权利要求1至5中的任一项所述的方法,其特征在于,包括:所述第一确认信息由所述第一终端设备的物理PHY层根据所述第一终端设备的媒体接 入控制MAC层的指示生成;或者,所述第一确认信息由所述第一终端设备的MAC层生成,并由所述第一终端设备的MAC层发送至所述第一终端设备的PHY层;或者,所述第一确认信息由所述第一终端设备的PHY层生成。
- 根据权利要求1至6中的任一项所述的方法,其特征在于,所述第一终端设备接收来自于所述网络设备的第七指示信息,所述第七指示信息用于指示:所述第一终端设备未使用所述第一资源进行边链路传输,和/或,满足第一预设条件,所述第一终端设备生成或发送所述第一确认信息。
- 根据权利要求1至7中的任一项所述的方法,其特征在于,所述第一确认信息为肯定确认ACK。
- 一种通信处理方法,其特征在于,所述方法包括:第一终端设备接收来自于网络设备的第二指示信息,所述第二指示信息用于指示:满足第二预设条件,所述第一终端设备通过第一种资源进行边链路数据的重传或新传;满足所述第二预设条件,所述第一终端设备通过第一侧行授权重传第一HARQ进程的数据,所述第一侧行授权属于所述第一种资源,所述第二预设条件包括以下任一种或任几种:所述第一终端设备在第一预设时长内未获取到用于所述第一HARQ进程重传的资源;或者,第一定时器超时,所述第一终端设备未获取到用于所述第一HARQ进程重传的资源;或者,在与第一HARQ进程ID相关联的资源所在的时域位置之前或之中或之后,所述第一终端设备未获取到用于所述第一HARQ进程重传的资源;或者,针对所述第一HARQ进程、第一HARQ进程ID、第二侧行授权、所述第一HARQ进程上传输的数据以及第二侧行授权上传输的数据中的任一个或任多个,所述第一终端设备向所述网络设备发送否定确认NACK的次数未达到第一预设阈值,其中,所述第一终端设备在所述第二侧行授权上传输失败;或者,所述第一HARQ进程传输失败;或者,在所述第二侧行授权上传输失败;其中,所述第一HARQ进程ID与所述第一HARQ进程关联;所述第二侧行授权与所述第一HARQ进程ID或者第一HARQ进程关联。
- 根据权利要求9所述的方法,其特征在于,所述方法还包括:所述第一终端设备确定所述第一侧行授权所关联的第三HARQ进程ID与所述第一HARQ进程ID不同,所述第一终端设备向所述第二终端设备发送所述第一HARQ进程ID。
- 根据权利要求9所述的方法,其特征在于,所述方法还包括:所述第一终端设备确定所述第一侧行授权所关联的第三HARQ进程ID与所述第一HARQ进程ID不同,所述第一终端设备释放所述第一HARQ进程和/或清空所述第一HARQ进程对应的HARQ缓存。
- 根据权利要求9至11中的任一项所述的方法,其特征在于,所述第一侧行授权包括以下任一种或任几种:所述边链路的资源;或者,所述边链路的第一模式的资源;或者,所述边链路的第二模式的资源;或者,所述边链路的配置授权资源;或者,所述边链路的第一类型配置授权资源;或者,所述边链路的第二类型配置授权资源;或者,所述边链路的配置授权资源集合,所述配置授权资源集合包括一个或多个配置授权资源索引对应的配置授权资源;或者,所述边链路的动态授权资源。
- 根据权利要求9至11中的任一项所述的方法,其特征在于,所述第一终端设备在第一预设时长内未获取到用于所述第一HARQ进程重传的资源,包括:所述第一终端设备在满足第二条件后的所述第一预设时长内未获取到用于所述第一HARQ进程重传的资源。
- 根据权利要求9至11中的任一项所述的方法,其特征在于,第一定时器超时,所述第一终端设备未获取到用于所述第一HARQ进程重传的资源,包括:满足第二条件,启动或重启所述第一定时器,所述第一定时器超时,所述第一终端设备未获取到用于所述第一HARQ进程重传的资源。
- 根据权利要求13或14所述的方法,其特征在于,所述第二条件包括以下任一种或任几种:所述第一终端设备向所述网络设备发送所述第二确认信息,所述第二确认信息用于指示所述第一终端设备在第二侧行授权上传输失败;或者,在第二物理上行控制信道PUCCH资源所在的时域位置之前或之中或之后,所述第二PUCCH资源与第二侧行授权具有对应关系;或者,所述第一终端设备在第二侧行授权上发送数据;或者,在第二侧行授权所在的时域位置之前或之中或之后;或者,所述第一终端设备接收到来自所述第二终端设备的针对所述第一HARQ进程的NACK;或者,所述第一终端设备未接收到针对所述第一HARQ进程的反馈;或者,第一物理侧行链路反馈信道PSFCH资源所在的时域位置之前或之中或之后,所述第二侧行授权与所述第一PSFCH资源相关联。
- 根据权利要求1至15中的任一项所述的方法,其特征在于,所述第一侧行授权在所述第二侧行授权之后。
- 一种通信处理方法,其特征在于,所述方法包括:满足第四预设条件,第一终端设备生成第四确认信息,所述第四确认信息用于指示所述第一终端设备在边链路上传输失败,所述边链路为所述第一终端设备与第二终端设备之间的无线直连通信链路;所述第一终端设备通过第五侧行授权所对应的物理上行控制信道PUCCH资源向网络设备发送所述第四确认信息;所述第四预设条件包括以下任一种或任几种:所述第一终端设备在第三预设时长内未获取到用于第七HARQ进程重传的资源;或者,第三定时器超时,所述第一终端设备未获取到用于第七HARQ进程重传的资源;或者,在与第七HARQ进程ID相关联的资源所在的时域位置之前或之中或之后,所述第一终端设备未获取到用于所述第七HARQ进程重传的资源;或者,针对所述第七HARQ进程、第七HARQ进程ID、第六侧行授权、第七HARQ进程上传输的数据以及所述第六侧行授权上传输的数据中的任一个或任多个,所述第一终端设备向所述网络设备发送否定确认NACK的次数未达到第三预设阈值,其中,所述第一终端设备在所述第六侧行授权上传输失败;或者,第七HARQ进程传输失败;或者,在第六侧行授权上传输失败;其中,所述第七HARQ进程与所述第四确认信息相关联;所述第七HARQ进程与所述第七HARQ进程关联;所述第六侧行授权与第七HARQ进程ID相关联;所述第五侧行授权与所述第七HARQ进程ID相关联。
- 根据权利要求17所述的方法,其特征在于,所述第五侧行授权包括以下任一种:边链路的资源;或者,所述边链路的第一模式的资源;或者,所述边链路的配置授权资源;或者,所述边链路的第一类型配置授权资源;或者,所述边链路的第二类型配置授权资源;或者,所述边链路的动态授权资源;或者,所述边链路的配置授权资源集合,所述配置授权资源集合包括一个或多个配置授权资源索引对应的配置授权资源;其中,所述边链路为所述第一终端设备和第二终端设备之间的无线直连通信链路。
- 根据权利要求17或18所述的方法,其特征在于,所述方法还包括:所述第一终端设备接收来自所述网络设备的第四指示信息,所述第四指示信息用于指示:满足所述第四预设条件,所述第一终端设备生成或发送所述第四确认信息。
- 根据权利要求16至19中的任一项所述的方法,其特征在于,当所述第一终端设备向所述网络设备发送NACK的次数达到第三预设阈值,且所述第一终端设备未获取到第七HARQ进程的重传资源时,所述方法还包括以下任一项或任几项:所述第一终端设备丢弃所述第七HARQ进程的数据;或者,所述第一终端设备释放所述第七HARQ进程;或者,所述第一终端设备清空所述第七HARQ进程所对应的HARQ缓存;或者,所述第一终端设备停止发送所述第四确认信息;或者,所述第一终端设备通过第一种资源在边链路上重传或新传数据;其中,所述边链路为所述第一终端设备和第二终端设备之间的无线直连通信链路。
- 根据权利要求17至20中的任一项所述的方法,其特征在于,所述第四确认信息由所述第一终端设备的物理PHY层根据所述第一终端设备的媒体接入控制MAC层发送的指示生成的;或者,所述第四确认信息由所述第一终端设备的MAC层生成的,并由所述第一终端设备的MAC层发送至所述第一终端设备的PHY层;或者,所述第四确认信息由所述第一终端设备的PHY层生成的。
- 根据权利要求17至21中的任一项所述的方法,其特征在于,所述第一终端设备在第三预设时长内未获取到第七HARQ进程的重传资源,包括:所述第一终端设备在满足第四条件后启动或重启的所述第三预设时长内未获取到所述第七HARQ进程的重传资源。
- 根据权利要求17至21中的任一项所述的方法,其特征在于,第三定时器超时,所述第一终端设备未获取到所述第七HARQ进程的重传资源,包括:满足第四条件,启动或重启所述第三定时器,所述第三定时器超时,所述第一终端设备未获取到第七HARQ进程的重传资源。
- 根据权利要求22或23所述的方法,其特征在于,所述第四条件包括以下任一种或任几种:所述第一终端设备向所述网络设备发送所述第五确认信息,所述第五确认信息用于指示所述第一终端设备在第六侧行授权传输失败;或者,在第四PUCCH资源所在的时域位置之前或之中或之后,所述第四PUCCH资源与所述第六侧行授权具有对应关系;或者,所述第一终端设备在第六侧行授权上发送数据;或者,在第六侧行授权所在的时域位置之前或之中或之后;或者,所述第一终端设备接收到来自所述第二终端设备的针对所述第七HARQ进程的NACK;或者,所述第一终端设备未接收到针对所述第七HARQ进程的反馈;或者,第三物理侧行链路反馈信道PSFCH资源所在的时域位置之前或之中或之后,所述第六侧行授权与所述第三PSFCH资源相关联。
- 根据权利要求14至21中的任一项所述的方法,其特征在于,所述第四确认信息为否定确认NACK。
- 根据权利要求1至22中的任一项所述的方法,其特征在于,所述第六侧行授权在所述第五侧行授权之前。
- 一种通信处理方法,其特征在于,所述方法包括:网络设备向第一终端设备发送第七指示信息,第二指示信息,或者第四指示信息;所述第七指示信息用于指示:所述第一终端设备未使用第一资源进行边链路传输,和/或,满足第一预设条件,所述第一终端设备生成或发送第一确认信息;所述第二指示信息用于指示:满足第二预设条件,所述第一终端设备通过第一种资源进行边链路数据的重传或新传;所述第四指示信息用于指示:满足所述第四预设条件,所述第一终端设备生成或发送 第四确认信息,所述边链路为所述第一终端设备与第二终端设备之间的无线直连通信链路。
- 一种通信设备,其特征在于,所述通信设备包括:处理器,所述处理器与存储器耦合;所述存储器,用于存储计算机程序;所述处理器,用于执行所述存储器中存储的所述计算机程序,以使得所述通信设备执行如权利要求1至8或权利要求9至16或权利要求17至26中任一项所述的通信处理方法。
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