Method and device in nodes used for wireless communication

1. A first node for wireless communications, comprising:

a first processor, receiving first information and a first signaling;

wherein the first information is used for determining K resource blocks, K being a positive integer greater than 1, any of the K resource blocks is a control resource set CORESET; the K resource blocks respectively correspond to K reference-signal resource groups, and any of the K reference-signal resource groups comprises a positive integer number of reference-signal resource(s); the first information indicates that the K resource blocks respectively correspond to the K reference-signal resource groups; any reference-signal resource in the K reference-signal resource groups corresponds to one of M first-type indexes, M being a positive integer greater than 1; the first information indicates corresponding relations between reference-signal resources in the K reference-signal resource groups and the M first-type indexes; any reference-signal resource in the K reference-signal resource groups corresponds to one reference-signal resource identifier and one of the M first-type indexes; the first signaling is used for activating a first index in the M first-type indexes; any reference-signal resource group in the K reference-signal resource groups comprises one reference-signal resource corresponding to the first index; after receiving the first signaling, a spatial relation of any of the K resource blocks is determined by one reference-signal resource in its corresponding reference-signal resource group corresponding to the first index; a first resource block is any of the K resource blocks, a first reference-signal resource is used for determining a spatial relation of the first resource block, and the first reference-signal resource is one reference-signal resource corresponding to the first index in a first reference-signal resource group; the first reference-signal resource group is one of the K reference-signal resource groups corresponding to the first resource block; the spatial relation of the first resource block comprises spatial Rx parameters of the first resource block; the first information is carried by a RRC signaling; the first signaling comprises a MAC CE; reference-signal resources in the K reference-signal resource groups comprise CSI-RS resources or SS/PBCH Block resources.

2. The first node according to claim 1 , wherein the K 2 resource block(s) in the K resource blocks corresponds (respectively correspond) to K 2 TCI state group(s), K 2 being a positive integer no greater than the K, and any of the K 2 TCI state group(s) comprises a positive integer number of TCI state(s); the K 2 TCI state group(s) indicates (respectively indicate) K 2 reference-signal resource group(s) in the K reference-signal resource groups, and the K 2 reference-signal resource group(s) corresponds (respectively correspond) to the K 2 resource block(s); and any TCI state in the K 2 TCI state group(s) corresponds to one of the M first-type indexes.

3. The first node according to claim 1 , wherein the first processor transmits a second radio signal; wherein the second radio signal indicates that a third radio signal is correctly received, and the third radio signal carries the first signaling;

or, the first processor transmits a second radio signal; wherein the second radio signal indicates that a third radio signal is correctly received, and the third radio signal carries the first signaling; from a first time, the first reference-signal resource is used for determining the spatial relation of the first resource block; the first time is later than a time unit where the second radio signal is located, and a time interval between the first time and the time unit where the second radio signal is located is a first time interval;

or, the first processor operates a first radio signal in the first resource block; wherein the first reference-signal resource is used for determining a spatial-domain filter of the first radio signal; the operating action is transmitting, or the operating action is receiving;

or, the first processor transmits second information; wherein the second information indicates the M.

4. The first node according to claim 1 , wherein each of S reference-signal resources in the first reference-signal resource group corresponds to the first index, S being a positive integer greater than 1; and a position of the first reference-signal resource in the S reference-signal resources is default.

5. The first node according to claim 1 , wherein the first processor receives a second signaling; wherein each of S reference-signal resources in the first reference-signal resource group corresponds to the first index, S being a positive integer greater than 1; and the second signaling is used for activating the first reference-signal resource out of the S reference-signal resources.

6. A second node for wireless communications, comprising:

a second processor, transmitting first information and a first signaling;

wherein the first information is used for determining K resource blocks, K being a positive integer greater than 1, any of the K resource blocks is a control resource set CORESET; the K resource blocks respectively correspond to K reference-signal resource groups, and any of the K reference-signal resource groups comprises a positive integer number of reference-signal resource(s); the first information indicates that the K resource blocks respectively correspond to the K reference-signal resource groups; any reference-signal resource in the K reference-signal resource groups corresponds to one of M first-type indexes, M being a positive integer greater than 1; the first information indicates corresponding relations between reference-signal resources in the K reference-signal resource groups and the M first-type indexes; any reference-signal resource in the K reference-signal resource groups corresponds to one reference-signal resource identifier and one of the M first-type indexes; the first signaling is used for activating a first index in the M first-type indexes; any reference-signal resource group in the K reference-signal resource groups comprises one reference-signal resource corresponding to the first index; after receiving the first signaling, a spatial relation of any of the K resource blocks is determined by one reference-signal resource in its corresponding reference-signal resource group corresponding to the first index; a first resource block is any of the K resource blocks, a first reference-signal resource is used for determining a spatial relation of the first resource block, and the first reference-signal resource is one reference-signal resource corresponding to the first index in a first reference-signal resource group; the first reference-signal resource group is one of the K reference-signal resource groups corresponding to the first resource block; the spatial relation of the first resource block comprises spatial Rx parameters of the first resource block; the first information is carried by a RRC signaling; the first signaling comprises a MAC CE; reference-signal resources in the K reference-signal resource groups comprise CSI-RS resources or SS/PBCH Block resources.

7. The second node according to claim 6 , wherein K 2 resource block(s) in the K resource blocks corresponds (respectively correspond) to K 2 TCI state group(s), K 2 being a positive integer no greater than the K, and any of the K 2 TCI state group(s) comprises a positive integer number of TCI state(s); the K 2 TCI state group(s) indicates (respectively indicate) K 2 reference-signal resource group(s) in the K reference-signal resource groups, and the K 2 reference-signal resource group(s) corresponds (respectively correspond) to the K 2 resource block(s); and any TCI state in the K 2 TCI state group(s) corresponds to one of the M first-type indexes.

8. The second node according to claim 6 , wherein the second processor receives a second radio signal; wherein the second radio signal indicates that a third radio signal is correctly received, and the third radio signal carries the first signaling;

or, the second processor receives a second radio signal; wherein the second radio signal indicates that a third radio signal is correctly received, and the third radio signal carries the first signaling; from a first time, the first reference-signal resource is used for determining the spatial relation of the first resource block; the first time is later than a time unit where the second radio signal is located, and a time interval between the first time and the time unit where the second radio signal is located is a first time interval;

or, the second processor performs a first radio signal in the first resource block; wherein the first reference-signal resource is used for determining a spatial-domain filter of the first radio signal; the performing action is receiving, or, the performing action is transmitting;

or, the second processor receives second information; wherein the second information indicates the M.

9. The second node according to claim 6 , wherein each of S reference-signal resources in the first reference-signal resource group corresponds to the first index, S being a positive integer greater than 1; and a position of the first reference-signal resource in the S reference-signal resources is default.

10. The second node according to claim 6 , wherein the second processor transmits a second signaling; wherein each of S reference-signal resources in the first reference-signal resource group corresponds to the first index, S being a positive integer greater than 1; and the second signaling is used for activating the first reference-signal resource out of the S reference-signal resources.

11. A method in a first node for wireless communications, comprising:

receiving first information; and

receiving a first signaling;

wherein the first information is used for determining K resource blocks, K being a positive integer greater than 1, any of the K resource blocks is a control resource set CORESET; the K resource blocks respectively correspond to K reference-signal resource groups, and any of the K reference-signal resource groups comprises a positive integer number of reference-signal resource(s); the first information indicates that the K resource blocks respectively correspond to the K reference-signal resource groups; any reference-signal resource in the K reference-signal resource groups corresponds to one of M first-type indexes, M being a positive integer greater than 1; the first information indicates corresponding relations between reference-signal resources in the K reference-signal resource groups and the M first-type indexes; any reference-signal resource in the K reference-signal resource groups corresponds to one reference-signal resource identifier and one of the M first-type indexes; the first signaling is used for activating a first index in the M first-type indexes; any reference-signal resource group in the K reference-signal resource groups comprises one reference-signal resource corresponding to the first index; after receiving the first signaling, a spatial relation of any of the K resource blocks is determined by one reference-signal resource in its corresponding reference-signal resource group corresponding to the first index; a first resource block is any of the K resource blocks, a first reference-signal resource is used for determining a spatial relation of the first resource block, and the first reference-signal resource is one reference-signal resource corresponding to the first index in a first reference-signal resource group; the first reference-signal resource group is one of the K reference-signal resource groups corresponding to the first resource block; the spatial relation of the first resource block comprises spatial Rx parameters of the first resource block; the first information is carried by a RRC signaling; the first signaling comprises a MAC CE; reference-signal resources in the K reference-signal resource groups comprise CSI-RS resources or SS/PBCH Block resources.

12. A method in the first node according to claim 11 , wherein K 2 resource block(s) in the K resource blocks corresponds (respectively correspond) to K 2 TCI state group(s), K 2 being a positive integer no greater than the K, and any of the K 2 TCI state group(s) comprises a positive integer number of TCI state(s); the K 2 TCI state group(s) indicates (respectively indicate) K 2 reference-signal resource group(s) in the K reference-signal resource groups, and the K 2 reference-signal resource group(s) corresponds (respectively correspond) to the K 2 resource block(s); and any TCI state in the K 2 TCI state group(s) corresponds to one of the M first-type indexes.

13. The first node according to claim 11 , comprising:

transmitting a second radio signal; wherein the second radio signal indicates that a third radio signal is correctly received, and the third radio signal carries the first signaling;

or, transmitting a second radio signal; wherein the second radio signal indicates that a third radio signal is correctly received, and the third radio signal carries the first signaling; from a first time, the first reference-signal resource is used for determining the spatial relation of the first resource block; the first time is later than a time unit where the second radio signal is located, and a time interval between the first time and the time unit where the second radio signal is located is a first time interval;

or, operating a first radio signal in the first resource block; wherein the first reference-signal resource is used for determining a spatial-domain filter of the first radio signal; the operating action is transmitting, or the operating action is receiving;

or, transmitting second information; wherein the second information indicates the M.

14. A method in the first node according to claim 11 , wherein each of S reference-signal resources in the first reference-signal resource group corresponds to the first index, S being a positive integer greater than 1; and a position of the first reference-signal resource in the S reference-signal resources is default.

15. The first node according to claim 11 , comprising:

receiving a second signaling;

wherein each of S reference-signal resources in the first reference-signal resource group corresponds to the first index, S being a positive integer greater than 1; and the second signaling is used for activating the first reference-signal resource out of the S reference-signal resources.

16. A method in a second node for wireless communications, comprising:

transmitting first information; and

transmitting a first signaling;

wherein the first information is used for determining K resource blocks, K being a positive integer greater than 1, any of the K resource blocks is a control resource set CORESET; the K resource blocks respectively correspond to K reference-signal resource groups, and any of the K reference-signal resource groups comprises a positive integer number of reference-signal resource(s); the first information indicates that the K resource blocks respectively correspond to the K reference-signal resource groups; any reference-signal resource in the K reference-signal resource groups corresponds to one of M first-type indexes, M being a positive integer greater than 1; the first information indicates corresponding relations between reference-signal resources in the K reference-signal resource groups and the M first-type indexes; any reference-signal resource in the K reference-signal resource groups corresponds to one reference-signal resource identifier and one of the M first-type indexes; the first signaling is used for activating a first index in the M first-type indexes; any reference-signal resource group in the K reference-signal resource groups comprises one reference-signal resource corresponding to the first index; after receiving the first signaling, a spatial relation of any of the K resource blocks is determined by one reference-signal resource in its corresponding reference-signal resource group corresponding to the first index; a first resource block is any of the K resource blocks, a first reference-signal resource is used for determining a spatial relation of the first resource block, and the first reference-signal resource is one reference-signal resource corresponding to the first index in a first reference-signal resource group; the first reference-signal resource group is one of the K reference-signal resource groups corresponding to the first resource block; the spatial relation of the first resource block comprises spatial Rx parameters of the first resource block; the first information is carried by a RRC signaling; the first signaling comprises a MAC CE; reference-signal resources in the K reference-signal resource groups comprise CSI-RS resources or SS/PBCH Block resources.

17. A method in the second node according to claim 16 , wherein K 2 resource block(s) in the K resource blocks corresponds (respectively correspond) to K 2 TCI state group(s), K 2 being a positive integer no greater than the K, and any of the K 2 TCI state group(s) comprises a positive integer number of TCI state(s); the K 2 TCI state group(s) indicates (respectively indicate) K 2 reference-signal resource group(s) in the K reference-signal resource groups, and the K 2 reference-signal resource group(s) corresponds (respectively correspond) to the K 2 resource block(s); and any TCI state in the K 2 TCI state group(s) corresponds to one of the M first-type indexes.

18. The second node according to claim 16 , comprising:

receiving a second radio signal; wherein the second radio signal indicates that a third radio signal is correctly received, and the third radio signal carries the first signaling;

or, receiving a second radio signal; wherein the second radio signal indicates that a third radio signal is correctly received, and the third radio signal carries the first signaling; from a first time, the first reference-signal resource is used for determining the spatial relation of the first resource block; the first time is later than a time unit where the second radio signal is located, and a time interval between the first time and the time unit where the second radio signal is located is a first time interval;

or, performing a first radio signal in the first resource block; wherein the first reference-signal resource is used for determining a spatial-domain filter of the first radio signal; the performing action is receiving, or, the performing action is transmitting;

or, receiving second information; wherein the second information indicates the M.

19. A method in the second node according to claim 16 , wherein each of S reference-signal resources in the first reference-signal resource group corresponds to the first index, S being a positive integer greater than 1; and a position of the first reference-signal resource in the S reference-signal resources is default.

20. The second node according to claim 16 , comprising:

transmitting a second signaling;

wherein each of S reference-signal resources in the first reference-signal resource group corresponds to the first index, S being a positive integer greater than 1; and the second signaling is used for activating the first reference-signal resource out of the S reference-signal resources.