Resource determining method and communications device

1 . A resource determining method, comprising:

determining, by a terminal, a time domain resource of a target uplink channel based on a time interval y 2 and a time domain location T PSFCH_Uu of a physical sidelink feedback channel (PSFCH), wherein the time interval y 2 is a time interval between the PSFCH and the target uplink channel, and

transmitting, by the terminal to a control node, sidelink hybrid automatic repeat request acknowledgement (HARQ-ACK) information on the target uplink channel, wherein the sidelink HARQ-ACK information is obtained from the PSFCH;

wherein the time domain resource of the target uplink channel meets any one of the following conditions:

being the A th time domain resource within a time range of T PSFCH_Uu +y 2 ;

being the A th time domain resource that overlaps with T PSFCH_Uu +y 2 ; and

being the A th time domain resource not earlier than T PSFCH_Uu +y 2 , wherein

A is an integer greater than or equal to 1, the time domain location T PSFCH_Uu of the PSFCH is a time domain location of the PSFCH that is determined based on Uu timing, and there is a timing misalignment between a sidelink timing for the terminal to perform sidelink transmission and the Uu timing for performing transmission between the terminal and the control node;

wherein the sidelink timing is not aligned with the Uu timing, and the determining, by a terminal, a time domain resource of a target uplink channel based on a time interval y 2 and a time domain location T PSFCH_Uu of a physical sidelink feedback channel (PSFCH) comprises:

determining the time domain resource of the target uplink channel based on the time interval y 2 and the time domain location T PSFCH_Uu of PSFCH by using the Uu timing as a timing reference.

2 . The method according to claim 1 , wherein y 2 is determined based on a sidelink subcarrier spacing, or y 2 is determined based on an uplink subcarrier spacing.

3 . The method according to claim 1 , wherein the A th time domain resource comprises the A th sidelink time domain resource or the A th Uu time domain resource.

4 . A resource determining method, comprising:

determining, by a control node, a time domain resource of a target uplink channel based on a time interval y 2 and a time domain location T PSFCH_Uu of a physical sidelink feedback channel (PSFCH), wherein the time interval y 2 is a time interval between the PSFCH and the target uplink channel, and

receiving, by the control node from a terminal, sidelink hybrid automatic repeat request acknowledgement (HARQ-ACK) information on the target uplink channel, wherein the sidelink HARQ-ACK information is obtained by the terminal from the PSFCH;

wherein the time domain resource of the target uplink channel meets any one of the following conditions:

being the A th time domain resource within a time range of T PSFCH_Uu +y 2 ;

being the A th time domain resource that overlaps with T PSFCH_Uu +y 2 ; and

being the A th time domain resource not earlier than T PSFCH_Uu +y 2 , wherein

A is an integer greater than or equal to 1, the time domain location T PSFCH_Uu of the PSFCH is a time domain location of the PSFCH that is determined based on Uu timing, and there is a timing misalignment between a sidelink timing for the terminal to perform sidelink transmission and the Uu timing for performing transmission between the terminal and the control node;

wherein the sidelink timing is not aligned with the Uu timing, and the determining, by a control node, a time domain resource of a target uplink channel based on a time interval y 2 and a time domain location T PSFCH_Uu of a physical sidelink feedback channel (PSFCH) comprises:

determining the time domain resource of the target uplink channel based on the time interval y 2 and the time domain location T PSFCH_Uu of PSFCH by using the Uu timing as a timing reference.

5 . The method according to claim 4 , wherein y 2 is determined based on a sidelink subcarrier spacing, or y 2 is determined based on an uplink subcarrier spacing.

6 . The method according to claim 4 , wherein the A th time domain resource comprises the A th sidelink time domain resource or the A th Uu time domain resource.

7 . A terminal, comprising a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein when the computer program is executed by the processor, the following steps are implemented:

determining a time domain resource of a target uplink channel based on a time interval y 2 and a time domain location T PSFCH_Uu of a physical sidelink feedback channel (PSFCH), wherein the time interval y 2 is a time interval between the PSFCH and the target uplink channel, and

transmitting, to a control node, sidelink hybrid automatic repeat request acknowledgement (HARQ-ACK) information on the target uplink channel, wherein the sidelink HARQ-ACK information is obtained from the PSFCH;

wherein the time domain resource of the target uplink channel meets any one of the following conditions:

being the A th time domain resource within a time range of T PSFCH_Uu +y 2 ;

being the A th time domain resource that overlaps with T PSFCH_Uu +y 2 ; and

being the A th time domain resource not earlier than T PSFCH_Uu +y 2 , wherein

A is an integer greater than or equal to 1, the time domain location T PSFCH_Uu of the PSFCH is a time domain location of the PSFCH that is determined based on Uu timing, and there is a timing misalignment between a sidelink timing for the terminal to perform sidelink transmission and the Uu timing for performing transmission between the terminal and the control node;

wherein the sidelink timing is not aligned with the Uu timing, and the determining a time domain resource of a target uplink channel based on a time interval y 2 and a time domain location T PSFCH_Uu of a physical sidelink feedback channel (PSFCH) comprises:

determining the time domain resource of the target uplink channel based on the time interval y 2 and the time domain location T PSFCH_Uu of PSFCH by using the Uu timing as a timing reference.

8 . The terminal according to claim 7 , wherein the A th time domain resource comprises the A th sidelink time domain resource or the A th Uu time domain resource.

9 . The terminal according to claim 7 , wherein y 2 is determined based on a sidelink subcarrier spacing, or y 2 is determined based on an uplink subcarrier spacing.

10 . A control node, comprising a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein when the computer program is executed by the processor, the following steps are implemented:

determining a time domain resource of a target uplink channel based on a time interval y 2 and a time domain location T PSFCH_Uu of a physical sidelink feedback channel (PSFCH), wherein the time interval y 2 is a time interval between the PSFCH and the target uplink channel, and

receiving, from a terminal, sidelink hybrid automatic repeat request acknowledgement (HARQ-ACK) information on the target uplink channel, wherein the sidelink HARQ-ACK information is obtained by the terminal from the PSFCH;

wherein the time domain resource of the target uplink channel meets any one of the following conditions:

being the A th time domain resource within a time range of T PSFCH_Uu +y 2 ;

being the A th time domain resource that overlaps with T PSFCH_Uu +y 2 ; and

being the A th time domain resource not earlier than T PSFCH_Uu +y 2 , wherein

A is an integer greater than or equal to 1, the time domain location T PSFCH_Uu of the PSFCH is a time domain location of the PSFCH that is determined based on Uu timing, and there is a timing misalignment between a sidelink timing for the terminal to perform sidelink transmission and the Uu timing for performing transmission between the terminal and the control node;

wherein the sidelink timing is not aligned with the Uu timing, and the determining a time domain resource of a target uplink channel based on a time interval y 2 and a time domain location T PSFCH_Uu of a physical sidelink feedback channel (PSFCH) comprises:

determining the time domain resource of the target uplink channel based on the time interval y 2 and the time domain location T PSFCH_Uu of PSFCH by using the Uu timing as a timing reference.

11 . The control node according to claim 10 , wherein y 2 is determined based on a sidelink subcarrier spacing, or y 2 is determined based on an uplink subcarrier spacing.

12 . The control node according to claim 10 , wherein the A th time domain resource comprises the A th sidelink time domain resource or the A th Uu time domain resource.

13 . A non-transitory computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the resource determining method according to claim 1 are implemented.

14 . The storage medium according to claim 13 , wherein the A th time domain resource comprises the A th sidelink time domain resource or the A th Uu time domain resource.

15 . The storage medium according to claim 13 , wherein y 2 is determined based on a sidelink subcarrier spacing, or y 2 is determined based on an uplink subcarrier spacing.

16 . A non-transitory computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the resource determining method according to claim 4 are implemented.

17 . The storage medium according to claim 16 , wherein the A th time domain resource comprises the A th sidelink time domain resource or the A th Uu time domain resource.

18 . The storage medium according to claim 16 , wherein y 2 is determined based on a sidelink subcarrier spacing, or y 2 is determined based on an uplink subcarrier spacing.