HARQ-ACK feedback mode determining method, HARQ-ACK feedback mode configuration method, and device
A HARQ-ACK feedback mode determining method, a HARQ-ACK feedback mode configuration method, and a device are disclosed. The method includes: determining, according to a service type corresponding to a PDSCH, a HARQ-ACK feedback mode corresponding to the PDSCH; determining, according to a radio network temporary identifier RNTI of a PDSCH, a HARQ-ACK feedback mode corresponding to the PDSCH; or determining, according to downlink control information DCI for scheduling a PDSCH, a HARQ-ACK feedback mode corresponding to the PDSCH.
1. A Hybrid Automatic Repeat reQuest ACKnowledgment (HARQ-ACK) feedback mode determining method, performed by a communication device, comprising:
determining, according to a Radio Network Temporary Identifier (RNTI) of a PDSCH and Downlink Control Information (DCI) for scheduling the PDSCH, a HARQ-ACK feedback mode corresponding to the PDSCH;
wherein the HARQ-ACK feedback mode comprises:
a first mode: no HARQ-ACK feedback; and
a second mode: HARQ-ACK feedback.
2. The method according to claim 1 , wherein the determining, according to DCI for scheduling the PDSCH, a HARQ-ACK feedback mode corresponding to the PDSCH comprises at least one of the following:
determining, according to a first indicator field carried by the DCI, the HARQ-ACK feedback mode of the PDSCH that is indicated by the first indicator field,
determining, according to a control resource set of the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH;
determining, according to a search space of the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH;
determining, according to a format of the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH; or
determining, according to a Cyclic Redundancy Check (CRC) RNTI scrambling the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH.
3. The method according to claim 1 , wherein the HARQ-ACK feedback mode further comprises at least one of the following:
a third mode: HARQ-ACK feedback triggered by a network side device;
a fourth mode: periodic HARQ-ACK feedback; or
a fifth mode: HARQ-ACK feedback based on link measurement.
4. The method according to claim 1 , wherein the HARQ-ACK feedback comprises: negative acknowledgment only feedback, or acknowledgment or negative acknowledgment feedback.
5. The method according to claim 3 , wherein the HARQ-ACK feedback based on link measurement comprises:
when a link measurement result meets a target threshold requirement, triggering HARQ-ACK feedback.
6. The method according to claim 1 , wherein
when determining that the HARQ-ACK feedback mode is the second mode, and when the terminal is configured with multiple PUCCH resources, the terminal determines one of the PUCCH resources based on a number of bits of a HARQ-ACK to be fed back, wherein the PUCCH resource is configured to transmit the HARQ-ACK.
7. A Hybrid Automatic Repeat reQuest ACKnowledgment (HARQ-ACK) feedback mode configuration method, performed by a network side device, comprising:
configuring a corresponding HARQ-ACK feedback mode for each Radio Network Temporary Identifier (RNTI) scrambling a PDSCH; and
indicating the HARQ-ACK feedback mode of the PDSCH by Downlink Control Information (DCI) for scheduling the PDSCH,
wherein the HARQ-ACK feedback mode comprises:
a first mode: no HARQ-ACK feedback; and
a second mode: HARQ-ACK feedback.
8. The method according to claim 7 , wherein the indicating the HARQ-ACK feedback mode of the PDSCH by DCI for scheduling the PDSCH comprises at least one of the following:
indicating the HARQ-ACK feedback mode through a first indicator field carried by the DCI;
indicating, through a control resource set of the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH;
indicating, through a search space of the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH;
indicating, according to a format of the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH, or
indicating, through a Cyclic Redundancy Check (CRC) RNTI scrambling the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH.
9. The method according to claim 7 , wherein the HARQ-ACK feedback mode further comprises at least one of the following:
a third mode: HARQ-ACK feedback triggered by a network side device;
a fourth mode: periodic HARQ-ACK feedback; or
a fifth mode: HARQ-ACK feedback based on link measurement.
10. The method according to claim 7 , wherein the HARQ-ACK feedback comprises: negative acknowledgment only feedback, or acknowledgment or negative acknowledgment feedback.
11. The method according to claim 9 , wherein the HARQ-ACK feedback based on link measurement comprises:
when a link measurement result meets a target threshold requirement, triggering HARQ-ACK feedback.
12. A communication device, comprising:
a memory storing computer-readable instructions; and
a processor coupled to the memory and configured to execute the computer-readable instructions, wherein the computer-readable instructions, when executed by the processor, cause the processor to perform operations comprising:
determining, according to a Radio Network Temporary Identifier (RNTI) of a PDSCH and Downlink Control Information (DCI) for scheduling the PDSCH, a HARQ-ACK feedback mode corresponding to the PDSCH,
wherein the HARQ-ACK feedback mode comprises:
a first mode: no HARQ-ACK feedback; and
a second mode: HARQ-ACK feedback.
13. The communication device according to claim 12 , wherein the determining, according to DCI for scheduling the PDSCH, a HARQ-ACK feedback mode corresponding to the PDSCH comprises at least one of the following:
determining, according to a first indicator field carried by the DCI, the HARQ-ACK feedback mode of the PDSCH that is indicated by the first indicator field;
determining, according to a control resource set of the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH;
determining, according to a search space of the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH;
determining, according to a format of the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH; or
determining, according to a Cyclic Redundancy Check (CRC) RNTI scrambling the DCI, the HARQ-ACK feedback mode corresponding to the PDSCH.
14. The communication device according to claim 12 , wherein the HARQ-ACK feedback mode further comprises at least one of the following:
a third mode: HARQ-ACK feedback triggered by a network side device;
a fourth mode: periodic HARQ-ACK feedback; or
a fifth mode: HARQ-ACK feedback based on link measurement.
15. The communication device according to claim 13 , wherein the HARQ-ACK feedback comprises: negative acknowledgment only feedback, or acknowledgment or negative acknowledgment feedback.
16. The communication device according to claim 14 , wherein the HARQ-ACK feedback based on link measurement comprises:
when a link measurement result meets a target threshold requirement, triggering HARQ-ACK feedback.
17. A network side device, comprising:
a processor, a memory, and a computer program stored in the memory and executable on the processor, wherein the computer program, when executed by the processor, implements the steps of the HARQ-ACK feedback mode configuration method according to claim 7 .