Method for determining priority of resource, processing device, system, and UE

1. A method for determining a resource priority, comprising:

performing, on a physical sidelink control channel (PSCCH), at least one of the following operations: performing energy detection to obtain a detection result, or performing information decoding to obtain a decoding result; and

weighting at least one of the detection result or the decoding result to determine a priority of a PSCCH resource;

wherein the weighting at least one of the detection result and the decoding result to determine the priority of the PSCCH resource comprises:

acquiring at least one of the following: a first correspondence between a value of the detection result of the PSCCH resource and a weighted energy value, or a second correspondence between the decoding result of the PSCCH resource and a weighted decoding value;

performing at least one of the following operations: determining, according to the detection result and the acquired first correspondence, the weighted energy value corresponding to the detection result; or determining, according to the decoding result and the acquired second correspondence, the weighted decoding value corresponding to the decoding result; and

determining the priority of the PSCCH resource according to at least one of the determined weighted energy value or the determined weighted decoding value; and

wherein the method is performed by at least one processor.

2. The method of claim 1 , wherein the performing the energy detection on the PSCCH to obtain the detection result comprises at least one of the following:

detecting pilot energy or pilot power on the PSCCH resource to obtain the detection result; or

detecting total energy or total power on the PSCCH resource to obtain the detection result;

wherein the obtained detection result comprises an energy value or a power value.

3. The method of claim 2 , wherein the detecting the pilot energy or the pilot power on the PSCCH resource to obtain the detection result comprises: detecting signal energy or signal power of a resource element (RE) for mapping pilot in the PSCCH resource, or signal energy or signal power of a symbol for mapping the pilot in the PSCCH resource; or

the detecting the total energy or the total power on the PSCCH resource to obtain the detection result comprises: detecting signal energy or signal power of all REs in the PSCCH resource;

wherein the PSCCH resource comprises a subframe in time domain and a resource block (RB) pair in frequency domain.

4. The method of claim 1 , wherein the performing the information decoding on the PSCCH to obtain the decoding result comprises: receiving and decoding sidelink control information (SCI) carried on the PSCCH resource, and determining whether the decoding result is correct or incorrect.

5. The method of claim 1 , wherein the weighting at least one of the detection result or the decoding result to determine the priority of the PSCCH resource comprises:

determining the priority of the PSCCH resource with a weighted processing rule according to at least one of the weighted energy value or the weighted decoding value of the PSCCH;

wherein the priority of the PSCCH resource comprises at least one of the following: a priority index or a priority level.

6. The method of claim 5 , wherein the weighted processing rule comprises: performing a linear operation on the at least one of the weighted energy value or the weighted decoding value of the PSCCH, and determining the priority of the PSCCH resource according to a result of the linear operation.

7. The method of claim 5 , wherein the weighted processing rule comprises: determining the priority of the PSCCH resource with a second priority level table according to the at least one of the weighted energy value or the weighted decoding value of the PSCCH; wherein the second priority level table defines the priority level uniquely corresponding to the at least one of the weighted energy value or the weighted decoding value.

8. The method of claim 1 , wherein after the priority of the PSCCH resource is determined, the method further comprises:

performing, by a user equipment (UE), at least one of selection or competition of the PSCCH resources according to a PSCCH resource priority list; or

reporting, by the UE, the PSCCH resource priority list to a network side via at least one of physical layer signaling or higher layer signaling to enable the network side to schedule PSCCH resources according to the PSCCH resource priority list; wherein the PSCCH resource priority list comprises priority information of the PSCCH resources.

9. A user equipment (UE) for determining a resource priority, comprising:

a processor configured to perform, on a physical sidelink control channel (PSCCH), at least one of the following operations: energy detection to obtain a detection result, or information decoding to obtain a decoding result; and

a determiner configured to weight at least one of the detection result or the decoding result to determine a priority of a PSCCH resource;

wherein the determiner is configured to weight at least one of the detection result or the decoding result to determine the priority of the PSCCH resource by the following:

acquiring at least one of the following: a first correspondence between a value of the detection result of the PSCCH resource and a weighted energy value, or a second correspondence between the decoding result of the PSCCH resource and a weighted decoding value;

performing at least one of the following operations: determining, according to the detection result and the acquired first correspondence, the weighted energy value corresponding to the detection result; or determining, according to the decoding result and the acquired second correspondence, the weighted decoding value corresponding to the decoding result; and

determining the priority of the PSCCH resource according to the at least one of the determined weighted energy value or the determined weighted decoding value.

10. The UE of claim 9 , wherein the processor is configured to perform the energy detection on the PSCCH to obtain the detection result by at least one of the following:

detecting pilot energy or pilot power on the PSCCH resource to obtain the detection result; or

detecting total energy or total power on the PSCCH resource to obtain the detection result;

wherein the obtained detection result comprises an energy value or a power value.

11. The UE of claim 10 , wherein the processor is configured to detect the pilot energy or pilot power on the PSCCH resource to obtain the detection result by detecting signal energy or signal power of a resource element (RE) for mapping pilot in the PSCCH resource or detecting signal energy or signal power of a symbol for mapping the pilot in the PSCCH resource; or

the processor is configured to detect the total energy or the total power on the PSCCH resource to obtain the detection result by detecting signal energy or signal power of all REs in the PSCCH resource;

wherein the PSCCH resource comprises a subframe in time domain and a resource block (RB) pair in frequency domain.

12. The UE of claim 9 , wherein the processor is configured to perform the information decoding on the PSCCH to obtain the decoding result by receiving and decoding sidelink control information (SCI) carried on the PSCCH resource, and determine whether the decoding result is correct or incorrect.

13. The UE of claim 9 , wherein the determiner is configured to weight the at least one of the detection result and the decoding result to determine the priority of the PSCCH resource by:

determining the priority of the PSCCH resource with a weighted processing rule according to the at least one of the weighted energy value and the weighted decoding value of the PSCCH;

wherein the priority of the PSCCH resource comprises at least one of a priority index and a priority level.

14. The UE of claim 13 , wherein the weighted processing rule comprises:

performing a linear operation on the at least one of the weighted energy value and the weighted decoding value of the PSCCH, and determining the priority of the PSCCH resource according to a result of the linear operation.

15. The UE of claim 13 , wherein the weighted processing rule comprises: determining the priority of the PSCCH resource with a second priority level table according to the at least one of the weighted energy value and the weighted decoding value of the PSCCH; wherein the second priority level table defines the priority level uniquely corresponding to the at least one of the weighted energy value or the weighted decoding value.

16. The UE of claim 9 , wherein the determiner is configured to determine the priority of the PSCCH resource according to at least one of the detection result or the decoding result by:

determining the priority of the PSCCH resource with a first priority level table according to the at least one of the detection result or the decoding result of the PSCCH resource; wherein the first priority level table defines a priority level uniquely corresponding to the at least one of the detection result or the decoding result of the PSCCH resource, and the detection result of the PSCCH resource comprises an energy value or a power value.

17. The UE of claim 9 , further comprising at least one of a selector or a reporter;

wherein the selector is configured to perform at least one of selection or competition of the PSCCH resource according to a PSCCH resource priority list after the determining module determines the priority of the PSCCH resource; or

the reporter is configured to report the PSCCH resource priority list to a network side via at least one of physical layer signaling or higher layer signaling after the determining module determines the priority of the PSCCH resource; wherein the PSCCH resource priority list comprises priority information of a plurality of PSCCH resources.