HARQ feedback method and device, and storage medium

1 . A hybrid automatic repeat request (HARQ) feedback method, comprising:

obtaining a first determination result by determining whether a target time domain position for sending HARQ feedback information is located within a first channel occupancy time (COT) where a target physical downlink shared channel (PDSCH) transmitted by a base station is located, wherein the HARQ feedback information is HARQ feedback information corresponding to the target PDSCH; and

determining a target COT associated with the target time domain position based on the first determination result;

wherein determining the target COT associated with the target time domain position based on the first determination result comprises:

taking, in response to the first determination result indicating that the target time domain position is located behind an ending time domain position of the first COT, a second COT or a third COT as the target COT, wherein the second COT is obtained based on a frame-based equipment (FBE) parameter corresponding to downlink transmission of the base station, and the third COT is obtained based on an FBE parameter corresponding to uplink transmission of a terminal, and the second COT and the third COT overlap at the target time domain position; and

wherein taking the second COT or the third COT as the target COT comprises:

taking, in response to determining that a starting time of the target time domain position is the same as a starting time domain position of the third COT, the third COT as the target COT, or otherwise taking the second COT as the target COT.

2 . The HARQ feedback method according to claim 1 , wherein determining the target COT associated with the target time domain position based on the first determination result comprises:

taking, in response to the first determination result indicating that the target time domain position is located within the first COT, the first COT as the target COT.

3 . The HARQ feedback method according to claim 1 , wherein taking the second COT or the third COT as the target COT comprises:

taking the second COT or the third COT as the target COT based on an indication of a first signaling sent by the base station.

4 . The HARQ feedback method according to claim 1 , wherein taking the second COT or the third COT as the target COT comprises:

taking the second COT or the third COT as the target COT based on predefined setting.

5 . The HARQ feedback method according to claim 1 , wherein taking the second COT or the third COT as the target COT comprises:

taking the second COT or the third COT as the target COT according to an indication of target downlink control information (DCI) sent by the base station, wherein the target DCI is DCI for scheduling the target PDSCH.

6 . The HARQ feedback method according to claim 5 , wherein taking the second COT or the third COT as the target COT according to the indication of the target downlink control information (DCI) sent by the base station comprises:

determining, in response to a second signaling sent by the base station, that the target DCI is allowed to indicate an association relationship between the target time domain position and the target COT, and then taking the second COT or the third COT as the target COT according to an indication of the target DCI.

7 . The HARQ feedback method according to claim 5 , wherein the target PDSCH is a semi-continuously scheduled PDSCH, and the target DCI is configured to activate the semi-continuously scheduled PDSCH.

8 . A non-transitory computer readable storage medium, storing a computer program, wherein the computer program, when being executed, is configured to:

obtain a first determination result by determining whether a target time domain position for sending HARQ feedback information is located within a first channel occupancy time (COT) where a target physical downlink shared channel (PDSCH) transmitted by a base station is located, wherein the HARQ feedback information is HARQ feedback information corresponding to the target PDSCH; and

determine a target COT associated with the target time domain position based on the first determination result;

wherein the computer program, when being executed, is further configured to:

take, in response to the first determination result indicating that the target time domain position is located behind an ending time domain position of the first COT, a second COT or a third COT as the target COT, wherein the second COT is obtained based on a frame-based equipment (FBE) parameter corresponding to downlink transmission of the base station, and the third COT is obtained based on an FBE parameter corresponding to uplink transmission of a terminal, and the second COT and the third COT overlap at the target time domain position; and

take, in response to determining that a starting time of the target time domain position is the same as a starting time domain position of the third COT, the third COT as the target COT, or otherwise take the second COT as the target COT.

9 . A hybrid automatic repeat request (HARQ) feedback device, comprising:

a processor; and

a memory configured to store executable instructions of the processor, wherein

the processor, when executing the instructions, is configured to:

obtain a first determination result by determining whether a target time domain position for sending HARQ feedback information is located within a first channel occupancy time (COT) where a target physical downlink shared channel (PDSCH) transmitted by a base station is located, wherein the HARQ feedback information is HARQ feedback information corresponding to the target PDSCH; and

determine a target COT associated with the target time domain position based on the first determination result;

wherein the processor is further configured to:

take, in response to the first determination result indicating that the target time domain position is located behind an ending time domain position of the first COT, a second COT or a third COT as the target COT, wherein the second COT is obtained based on a frame-based equipment (FBE) parameter corresponding to downlink transmission of the base station, and the third COT is obtained based on an FBE parameter corresponding to uplink transmission of a terminal, and the second COT and the third COT overlap at the target time domain position; and

take, in response to determining that a starting time of the target time domain position is the same as a starting time domain position of the third COT, the third COT as the target COT, or otherwise take the second COT as the target COT.

10 . The HARQ feedback device according to claim 9 , wherein the processor is further configured to:

take, in response to the first determination result indicating that the target time domain position is located within the first COT, the first COT as the target COT.

11 . The HARQ feedback device according to claim 9 , wherein the processor is further configured to:

take the second COT or the third COT as the target COT based on an indication of a first signaling sent by the base station.

12 . The HARQ feedback device according to claim 9 , wherein the processor is further configured to:

take the second COT or the third COT as the target COT based on predefined setting.

13 . The HARQ feedback device according to claim 9 , wherein the processor is further configured to:

take the second COT or the third COT as the target COT according to an indication of target downlink control information (DCI) sent by the base station, wherein the target DCI is DCI for scheduling the target PDSCH.

14 . The HARQ feedback device according to claim 13 , wherein the processor is further configured to:

determine, in response to a second signaling sent by the base station, that the target DCI is allowed to indicate an association relationship between the target time domain position and the target COT, and then taking the second COT or the third COT as the target COT according to an indication of the target DCI.

15 . The HARQ feedback device according to claim 13 , wherein the target PDSCH is a semi-continuously scheduled PDSCH, and the target DCI is configured to activate the semi-continuously scheduled PDSCH.