Feedback method and acquisition method for grouping indication information and device

1. A method for feeding back grouping indication information, applied to a terminal device, comprising:

determining a candidate resource set, wherein the candidate resource set comprises Q second-type resource groups, wherein Q is an integer greater than or equal to 1;

receiving a signal transmitted on a resource of the candidate resource set, wherein the signal is transmitted by a base station;

selecting M resources from the candidate resource set according to the received signal; and dividing the M resources into N first-type resource groups based on the received signal, wherein M is an integer greater than 1 and N is a positive integer less than or equal to M; and

feeding back first-type grouping indication information for indicating that the M resources are divided into the N first-type resource groups to the base station, wherein the first-type grouping indication information comprises indication on resources in each first-type resource group of the N first-type resource groups, wherein the indication on resources in each first-type resource group of the N first-type resource groups comprises an index of each resource of each first-type resource group of the N first-type resource groups;

wherein each first-type resource group of the N first-type resource groups corresponds to one receiving beam at the terminal device, or corresponds to one receiving beam combination at the terminal device of one time instance;

wherein a resource in the candidate resource set comprises a resource of the signal, comprising following resource types: a transmission port resource, a transmission sequence resource and a transmission time domain resource.

2. The method of claim 1 , wherein,

in the first-type grouping indication information, resources in each of the N first-type resource groups are sequentially arranged according to receiving qualities of the resources.

3. The method of claim 1 , wherein the dividing the M resources into N first-type resource groups comprises:

dividing the M resources into the N first-type resource groups according to grouping information which comprises at least one of: grouping restriction indication information or configuration indication information of the candidate resource set, wherein the grouping information is configured by the base station through signaling or pre-agreed with the base station.

4. The method of claim 1 , wherein:

the first-type grouping indication information further comprises at least one of: a number of the first-type resource groups, information on a number of resources in each of the N first-type resource groups, grouping manner indication information, group index information or information on a common parameter corresponding to each of the N first-type resource groups.

5. The method of claim 1 , wherein: resources in a same first-type resource group belong to more than one groups of the Q second-type resource groups.

6. The method of claim 1 , wherein, N is larger than 1.

7. The method of claim 1 , wherein the signal comprises a synchronization signal.

8. The method of claim 1 , comprising at least one of the following:

different resources in the candidate resource set correspond to different transmission beams of the base station;

different first-type resource groups comprise a same number of resources; or

different first-type resources groups correspond to different receiving beams of the terminal device at different time instances.

9. A terminal device, comprising: an antenna and a processor, wherein the processor is configured to execute at least one program to implement a method for feeding back grouping indication information, wherein the method for feeding back grouping indication information comprises:

determining a candidate resource set, wherein the candidate resource set comprises Q second-type resource groups, wherein Q is an integer greater than or equal to 1;

receiving a signal transmitted on a resource of the candidate resource set, wherein the signal is transmitted by a base station;

selecting M resources from the candidate resource set according to the received signal; and dividing the M resources into N first-type resource groups based on the received signal, wherein M is an integer greater than 1 and N is a positive integer less than or equal to M; and

feeding back first-type grouping indication information for indicating that the M resources are divided into the N first-type resource groups to the base station, wherein the first-type grouping indication information comprises indication on resources in each first-type resource group of the N first-type resource groups, wherein the indication on resources in each first-type resource group of the N first-type resource groups comprises an index of each resource of each first-type resource group of the N first-type resource groups;

wherein each first-type resource group of the N first-type resource groups corresponds to one receiving beam at the terminal device, or corresponds to one receiving beam combination at the terminal device of one time instance;

wherein a resource in the candidate resource set comprises a resource of the signal, comprising following resource types: a transmission antenna resource, a transmission port resource, a transmission sequence resource and a transmission time domain resource.

10. The terminal device according to claim 9 , wherein:

in the first-type grouping indication information, resources in each of the N first-type resource groups are sequentially arranged according to receiving qualities of the resources.

11. The terminal device of claim 9 , wherein the signal comprises a synchronization signal.

12. The terminal device of claim 9 , comprising at least one of the following:

different resources in the candidate resource set correspond to different transmission beams of the base station;

different first-type resource groups comprise a same number of resources; or

different first-type resources groups correspond to different receiving beams of the terminal device at different time instances.

13. The terminal device of claim 9 , wherein the dividing the M resources into N first-type resource groups comprises:

dividing the M resources into the N first-type resource groups according to grouping information which comprises at least one of: grouping restriction indication information or configuration indication information of the candidate resource set, wherein the grouping information is configured by the base station through signaling or pre-agreed with the base station.

14. The terminal device of claim 9 , wherein:

resources in a same first-type resource group belong to more than one groups of the Q second-type resource groups.

15. A method for receiving feedback information, applied to a base station, comprising:

receiving feedback information from a terminal device, wherein the feedback information comprises first-type grouping indication information for indicating that the terminal device divides the M resources into N first-type resource groups, wherein the first-type grouping indication information comprises indication on resources in each first-type resource group of the N first-type resource groups, wherein the indication on resources in each first-type resource group of the N first-type resource groups comprises an index of each resource of each first-type resource group of the N first-type resource groups; and

performing resource scheduling and/or signal transmission according to the feedback information;

wherein each first-type resource group of the N first-type resource groups corresponds to one receiving beam at the terminal device, or corresponds to one receiving beam combination at the terminal device of one time instance;

wherein both N and M are integers, N is less than or equal to M, and the M resources are selected from a candidate resource set comprising Q second-type resource groups, wherein Q is an integer greater than or equal to 1;

wherein a resource in the candidate resource set comprises a resource of a signal transmitted on the resource of the candidate resource set, comprising following resource types: a transmission port resource, a transmission sequence resource and a transmission time domain resource.

16. The method of claim 15 , wherein,

in the first-type grouping indication information, resources in each of the N first-type resource groups are sequentially arranged according to receiving qualities of the resources.

17. The method of claim 15 , wherein,

resources in a same first-type resource group belong to more than one groups of the Q second-type resource groups.

18. A base station, comprising: an antenna and a processor, wherein the processor is configured to execute at least one program to implement the method of claim 15 .

19. The method of claim 15 , comprising at least one of the following:

different resources in the candidate resource set correspond to different transmission beams of the base station;

the signal comprises a synchronization signal;

different first-type resource groups comprise a same number of resources; or

different first-type resources groups correspond to different receiving beams of the terminal device at different time instances.

20. The method of claim 15 , further comprising:

configuring or pre-agreeing grouping information for indicating that the terminal device divides the M resources into N first-type resource groups, wherein the grouping information comprises at least one of: grouping restriction indication information or configuration indication information of the candidate resource set.