Communication method, device, and storage medium
View Patent ↗Provided in the present application are a communication method, a device, and a storage medium. The communication method comprises: a terminal device sends a PUCCH to a network device, the PUCCH bearing first information, and the first information being used to indicate the reception conditions of sidelink data sent by the terminal device; the network device determines a target HARQ process number according to the correlation between the PUCCH and the target HARQ process number; and the terminal device re-transmits the sidelink data according to the target HARQ process number.
1. A method of communication, comprising:
sending, by a terminal device, a physical uplink control channel (PUCCH) to a network device, wherein the PUCCH carries first information, and the first information is used to indicate reception status of sidelink data sent by the terminal device; and
receiving, by the terminal device, third information sent by the network device, wherein the third information comprises information used to indicate a transmission resource for sidelink data transmission and information used to indicate a transmission resource of the PUCCH,
wherein the PUCCH is used for determining a target hybrid automatic repeat request (HARQ) process identification (ID),
wherein the target HARQ process ID is determined according to the transmission resource of the PUCCH and a preset correspondence between transmission resources of multiple PUCCHs and HARQ process IDs,
the preset correspondence between the transmission resources of the multiple PUCCHs and the HARQ process IDs comprises: a preset correspondence between slots where the multiple PUCCHs are located and HARQ process IDs in a first preset HARQ process ID group; and
the first preset HARQ process ID group comprises HARQ process IDs used for sidelink transmission based on a configured grant sidelink transmission resource.
2. The method according to claim 1 , wherein the first preset HARQ process ID group comprises K HARQ process ID subgroups, and each HARQ process ID subgroup comprises one or more HARQ process IDs; and
the K HARQ process ID subgroups respectively correspond to K sidelink configured grant groups, and each sidelink configured grant group comprises one or more transmission resources for the sidelink data transmission, where K is greater than or equal to 1.
3. The method according to claim 1 , wherein the third information further comprises the target HARQ process ID;
the third information is further used for determining a correspondence between the target HARQ process ID and the transmission resource of the PUCCH; and
the target HARQ process ID is determined according to the correspondence and the transmission resource of the PUCCH.
4. The method according to claim 1 , wherein the receiving, by the terminal device, the third information sent by the network device comprises:
receiving, by the terminal device, radio resource control (RRC) signaling sent by the network device, wherein the RRC signaling comprises the third information; or
receiving, by the terminal device, downlink control information (DCI) sent by the network device, wherein the DCI comprises the third information.
5. The method according to claim 1 , wherein the method further comprises: receiving, by the terminal device, second information sent by the network device, wherein the second information comprises the target HARQ process ID and indication information used to indicate a transmission resource for retransmission of the sidelink data.
6. The method according to claim 1 , wherein the target HARQ process ID is determined according to a period where the PUCCH is located and a correspondence between the period where the PUCCH is located and the HARQ process ID.
7. The method according to claim 1 , wherein in a case where sidelink feedback information carried in the PUCCH is NACK, retransmission resources are allocated for the terminal device by the network device in a dynamic scheduling manner, the target HARQ process ID and information of the retransmission resources are included in retransmission scheduling information, and the method further comprises:
determining, by the terminal device, the period of sidelink transmission corresponding to the retransmission scheduling according to the target HARQ process ID in the retransmission scheduling information, and
retransmitting, by the terminal device, the sidelink data corresponding to the HARQ process ID on the retransmission resources.
8. The method according to claim 1 , wherein the target HARQ process ID is used for determining a HARQ process ID used for sidelink transmission.
9. A network device, comprising:
a transceiver;
a processor; and
a memory configured to store a computer program executable by the processor,
wherein the transceiver is configured to receive a physical uplink control channel (PUCCH) from a terminal device, wherein the PUCCH carries first information, and the first information is used to indicate reception status of sidelink data sent by the terminal device;
wherein the transceiver is further configured to send third information to the terminal device, wherein the third information comprises information used to indicate a transmission resource for sidelink data transmission and information used to indicate a transmission resource of the PUCCH,
wherein the PUCCH is used for determining a target hybrid automatic repeat request (HARQ) process identification (ID),
wherein the target HARQ process ID is determined according to the transmission resource of the PUCCH and a preset correspondence between transmission resources of multiple PUCCHs and HARQ process IDs,
the preset correspondence between the transmission resources of the multiple PUCCHs and the HARQ process IDs comprises: a preset correspondence between slots where the multiple PUCCHs are located and HARQ process IDs in a first preset HARQ process ID group; and
the first preset HARQ process ID group comprises HARQ process IDs used for sidelink transmission based on a configured grant sidelink transmission resource.
10. A terminal device, comprising:
a transceiver;
a processor; and
a memory configured to store a computer program executable by the processor,
wherein the transceiver is configured to send a physical uplink control channel (PUCCH) to a network device, wherein the PUCCH carries first information, and the first information is used to indicate reception status of sidelink data sent by the terminal device;
wherein the transceiver is further configured to receive third information sent by the network device, wherein the third information comprises information used to indicate a transmission resource for sidelink data transmission and information used to indicate a transmission resource of the PUCCH,
wherein the PUCCH is used for determining a target HARQ process ID,
wherein the target HARQ process ID is determined according to the transmission resource of the PUCCH and a preset correspondence between transmission resources of multiple PUCCHs and HARQ process IDs,
the preset correspondence between the transmission resources of the multiple PUCCHs and the HARQ process IDs comprises: a preset correspondence between slots where the multiple PUCCHs are located and HARQ process IDs in a first preset HARQ process ID group; and
the first preset HARQ process ID group comprises HARQ process IDs used for sidelink transmission based on a configured grant sidelink transmission resource.
11. The terminal device according to claim 10 , wherein the target HARQ process ID is determined according to a period where the PUCCH is located and a correspondence between the period where the PUCCH is located and the HARQ process ID.
12. The terminal device according to claim 10 , wherein in a case where sidelink feedback information carried in the PUCCH is NACK, retransmission resources are allocated for the terminal device by the network device in a dynamic scheduling manner, the target HARQ process ID and information of the retransmission resources are included in retransmission scheduling information, and the processor is configured to determine the period of sidelink transmission corresponding to the retransmission scheduling according to the target HARQ process ID in the retransmission scheduling information, and the transceiver is configured to retransmit the sidelink data corresponding to the HARQ process ID on the retransmission resources.
13. The terminal device according to claim 10 , wherein the target HARQ process ID is used for determining a HARQ process ID used for sidelink transmission.