Method and device in a node used for wireless communication

1. A first node for wireless communications, comprising:

a first receiver, receiving a first signaling; and

a first processor, performing an operating action on a first signal group; wherein:

the first signal group consists of one signal;

the first signaling comprises scheduling information of the first signal group;

the first node determines a first reference-signal-resource set based on the first signaling;

a first parameter-group set comprises a positive integer number of parameter group;

wherein:

when the first reference-signal-resource set consists of a first reference signal resource:

the first parameter-group set consists of a first parameter group; and

the first node determines the first parameter group based on the first reference signal resource;

wherein:

when the first reference-signal-resource set comprises M1 reference signal resources:

the first parameter-group set comprises M1 parameter groups with M1 being a positive integer greater than 1; and

the first node respectively determines the M1 parameter groups based on the M1 reference signal resources;

wherein:

each parameter group in the first parameter-group set is used for the operating action;

the operating action is receiving or transmitting; and

each parameter group in the first parameter-group set comprises one or more types out of K types of candidate parameters, K being a positive integer greater than 1;

wherein:

when the operating action is receiving, the first node receives the first signal group on a Physical Downlink Shared Channel (PDSCH);

when the operating action is transmitting, the first node transmits the first signal group on a Physical Uplink Shared Channel (PUSCH);

each parameter group in the first parameter-group set comprises one or more types out of the K types of candidate parameters related to whether the operating action is receiving or transmitting;

the first signaling indicates a first information unit;

the first information unit is a TCI-State IE;

the first information unit indicates M reference signal resources and M first-type parameters, M being a positive integer greater than 1;

the first reference-signal-resource set is a subset of the M reference signal resources;

the M reference signal resources respectively correspond to the M first-type parameters;

the M first-type parameters are respectively M associated types;

each of the M associated types is one of P candidate associated types with P being a positive integer greater than 1;

the P candidate associated types comprise QCL-TypeA, QCL-TypeB, QCL-TypeC and QCL-TypeD; and

the first node determines the first reference-signal-resource set out of the M reference signal resources based on whether the operating action is receiving or transmitting, and the M first-type parameters.

2. The first node according to claim 1 , wherein:

a first associated type set comprises a positive integer number of associated type(s);

each reference signal resource in the first reference-signal-resource set corresponds to one associated type in the first associated type set;

a target reference signal resource is one reference signal resource in the first reference-signal-resource set;

the target reference signal resource is used for determining a target parameter group in the first parameter-group set, and

the target reference signal resource corresponds to a target associated type in the first associated type set; and

the target parameter group comprises one or more types out of the K types of candidate parameters related to the target associated type.

3. The first node according to claim 2 , wherein:

the target reference signal resource corresponds to S1 associated types, S1 being a positive integer greater than 1;

the target associated type is one of the S1 associated types; and

whether the operating action is receiving or transmitting is used for determining the target associated type out of the S1 associated types.

4. The first node according to claim 1 , wherein:

when the operating action is receiving, the first reference-signal-resource set consists of reference signal resource(s) of the M reference signal resources corresponding to first-type parameter(s) belonging to a first associated type subset;

when the operating action is transmitting, the first reference-signal-resource set consists of reference signal resource(s) of the M reference signal resources corresponding to first-type parameter(s) belonging to a second associated type subset;

the first associated type subset and the second associated type subset respectively comprise a positive integer number of associated type(s);

at least one of the associated types exclusively belongs to the first associated type subset or the second associated type subset.

5. The first node according to claim 4 , wherein an associated type belongs both to the first associated type subset and the second associated type subset.

6. The first node according to claim 1 , wherein:

the first signaling is used for determining a second information unit and a third information unit;

the second information unit indicates a second reference-signal-resource subset;

the third information unit indicates a third reference-signal-resource subset;

the M reference signal resources comprise the second reference-signal-resource subset and the third reference-signal-resource subset; and

whether the first reference-signal-resource set comprises reference signal resource(s) in one or both of the second reference-signal-resource subset and the third reference-signal-resource subset is related to the whether the operating action is receiving or transmitting.

7. The first node according to claim 1 , wherein:

when the operating action involves receiving:

a given parameter group is any parameter group in the first parameter-group set;

the given parameter group is used for a reception of the first signal group;

a given reference signal resource in the first reference-signal-resource set is used for determining the given parameter group;

the given reference signal resource is reserved for a given reference signal;

the given parameter group comprises large-scale properties;

the large-scale properties include one or more of delay spread, Doppler spread, Doppler shift, average delay, and Spatial Rx parameters; and

all or part of large-scale properties of a channel that the given reference signal goes through are used for inferring all or part of large-scale properties of a channel that the first signal group goes through; and

when the operating action involves transmitting:

a given parameter group is any parameter group in the first parameter-group set;

the given parameter group is used for a transmission of the first signal group;

a given reference signal resource in the first reference-signal-resource set is used for determining the given parameter group;

the given reference signal resource is reserved for a given reference signal;

the given parameter group comprises a spatial-domain filter; and

the first node employs a same spatial-domain filter for transmitting the first signal group and receiving the given reference signal.

8. A second node for wireless communications, comprising:

a first transmitter, transmitting a first signaling; and

a second processor, performing an executing action on a first signal group;

wherein:

the first signal group consists of one signal;

the first signaling comprises scheduling information of the first signal group;

the first signaling is used for determining a first reference-signal-resource set; and

a first parameter-group set comprises a positive integer number of parameter group(s);

wherein:

when the first reference-signal-resource set consists of a first reference signal resource, the first parameter-group set consists of a first parameter group, and the first reference signal resource is used for determining the first parameter group; and

when the first reference-signal-resource set comprises M1 reference signal resources, a first parameter-group set comprises M1 parameter groups with M1 being a positive integer greater than 1, and the M1 reference signal resources are respectively used for determining the M1 parameter groups;

wherein:

each parameter group in the first parameter-group set is used for an operating action of the first signal group; and

the executing action is receiving or transmitting;

wherein:

when the executing action is receiving, the operating action is transmitting, and a target receiver of the first signaling transmits the first signal group on a PUSCH;

when the executing action is transmitting, the operating action is receiving, and a target receiver of the first signaling receives the first signal group on a PDSCH;

each parameter group in the first parameter-group set comprises one or more types of K types of candidate parameters, K being a positive integer greater than 1;

each of the parameter groups among the first parameter-group set comprises one or more types out of the K types of candidate parameters related to whether the operating action is receiving or transmitting;

the first signaling indicates a first information unit,

the first information unit is a TCI-State IE;

the first information unit indicates M reference signal resources and M first-type parameters, M being a positive integer greater than 1;

the first reference-signal-resource set is a subset of the M reference signal resources;

the M reference signal resources respectively correspond to the M first-type parameters;

the M first-type parameters are respectively M associated types,

each one of the M associated types is one of P candidate associated types with P being a positive integer greater than 1,

the P candidate associated types comprise QCL-TypeA, QCL-TypeB, QCL-TypeC and QCL-TypeD; and

whether the operating action is receiving or transmitting and the M first-type parameters are used together for determining the first reference-signal-resource set out of the M reference signal resources.

9. The second node according to claim 8 , wherein when a first associated type set comprises a positive integer number of associated type(s):

each reference signal resource in the first reference-signal-resource set corresponds to one associated type in the first associated type set;

a target reference signal resource is any reference signal resource in the first reference-signal-resource set;

the target reference signal resource is used for determining a target parameter group in the first parameter-group set;

the target reference signal resource corresponds to a target associated type in the first associated type set; and

the target parameter group comprises one or more types of the K types of candidate parameters related to the target associated type.

10. The second node according to claim 9 , wherein:

the target reference signal resource corresponds to S1 associated types, S1 being a positive integer greater than 1;

the target associated type is one of the S1 associated types; and

whether the operating action is receiving or transmitting is used for determining the target associated type out of the S1 associated types.

11. The second node according to claim 8 , wherein:

when the operating action is receiving, the first reference-signal-resource set consists of reference signal resource(s) of the M reference signal resources corresponding to first-type parameter(s) belonging to a first associated type subset;

when the operating action is transmitting, the first reference-signal-resource set consists of reference signal resource(s) of the M reference signal resources corresponding to first-type parameter(s) belonging to a second associated type subset;

the first associated type subset and the second associated type subset respectively comprise a positive integer number of associated type(s); and

at least one of the associated types exclusively belongs to the first associated type subset or the second associated type subset.

12. The second node according to claim 11 , wherein an associated type simultaneously belongs to the first associated type subset and the second associated type subset.

13. The second node according to claim 8 , wherein:

when the operating action involves receiving;

a given parameter group is any parameter group in the first parameter-group set, the given parameter group is used for a reception of the first signal group, and a given reference signal resource in the first reference-signal-resource set is used for determining the given parameter group;

the given reference signal resource is reserved for a given reference signal;

the given parameter group comprises large-scale properties;

the large-scale properties include one or more of delay spread, Doppler spread, Doppler shift, average delay, and Spatial Rx parameters; and

all or part of large-scale properties of a channel that the given reference signal goes through are used for inferring all or part of large-scale properties of a channel that the first signal group goes through;

when the operating action involves transmitting:

a given parameter group is any parameter group in the first parameter-group set,

the given parameter group is used for a transmission of the first signal group;

a given reference signal resource in the first reference-signal-resource set is used for determining the given parameter group;

the given reference signal resource is reserved for a given reference signal;

the given parameter group comprises a spatial-domain filter; and

a transmitter of the first signal group employs a same spatial-domain filter for transmitting the first signal group and receiving the given reference signal.

14. The second node according to claim 8 , wherein:

the first signaling is used for determining a second information unit and a third information unit:

the second information unit indicates a second reference-signal-resource subset;

the third information unit indicates a third reference-signal-resource subset;

the M reference signal resources comprise the second reference-signal-resource subset and the third reference-signal-resource subset; and

whether the first reference-signal-resource set comprises reference signal resource(s) in one or both of the second reference-signal-resource subset and the third reference-signal-resource subset is related to the whether the operating action is receiving or transmitting.

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

receiving a first signaling; and

performing an operating action on a first signal group;

wherein:

the first signal group comprises only one signal;

the first signaling comprises scheduling information of the first signal group;

the first signaling is used for determining a first reference-signal-resource set;

a first parameter-group set comprises a positive integer number of parameter group(s);

wherein when the first reference-signal-resource set consists of a first reference signal resource:

the first parameter-group set consists of a first parameter group, and

the first reference signal resource is used for determining the first parameter group;

wherein when the first reference-signal-resource set comprises M1 reference signal resources:

a first parameter-group set comprises M1 parameter groups with M1 being a positive integer greater than 1; and

the M1 reference signal resources are respectively used for determining the M1 parameter groups;

wherein:

each parameter group in the first parameter-group set is used for the operating action; the operating action is receiving or transmitting; and

each parameter group in the first parameter-group set comprises one or more types out of K types of candidate parameters, K being a positive integer greater than 1;

wherein:

when the operating action is receiving, the first node receives the first signal group on a PDSCH; and

when the operating action is transmitting, the first node transmits the first signal group on a PUSCH; and

wherein:

each parameter group in the first parameter-group set comprises one or more types out of the K types of candidate parameters related to whether the operating action is receiving or transmitting;

the first signaling indicates a first information unit;

the first information unit is a TCI-State IE;

the first information unit indicates M reference signal resources and M first-type parameters, M being a positive integer greater than 1;

the first reference-signal-resource set is a subset of the M reference signal resources;

the M reference signal resources respectively correspond to the M first-type parameters;

the M first-type parameters are respectively M associated types;

each of the M associated types is one of P candidate associated types with P being a positive integer greater than 1;

the P candidate associated types comprise QCL-TypeA, QCL-TypeB, QCL-TypeC and QCL-TypeD; and

whether the operating action is receiving or transmitting and the M first-type parameters are used together for determining the first reference-signal-resource set out of the M reference signal resources.

16. The method according to claim 15 , wherein:

a first associated type set comprises a positive integer number of associated type(s);

each reference signal resource in the first reference-signal-resource set corresponds to one associated type in the first associated type set;

a target reference signal resource is one reference signal resource in the first reference-signal-resource set;

the target reference signal resource is used for determining a target parameter group in the first parameter-group set, and the target reference signal resource corresponds to a target associated type in the first associated type set; and

the target parameter group comprises one or more types out of the K types of candidate parameters related to the target associated type.

17. The method according to claim 16 , wherein:

the target reference signal resource corresponds to S1 associated types, S1 being a positive integer greater than 1;

the target associated type is one of the S1 associated types; and

whether the operating action is receiving or transmitting is used for determining the target associated type out of the S1 associated types.

18. The method according to claim 15 , wherein:

when the operating action involves receiving, the first reference-signal-resource set consists of reference signal resource(s) of the M reference signal resources corresponding to first-type parameter(s) belonging to a first associated type subset;

when the operating action involves transmitting, the first reference-signal-resource set consists of reference signal resource(s) of the M reference signal resources corresponding to first-type parameter(s) belonging to a second associated type subset;

the first associated type subset and the second associated type subset respectively comprise a positive integer number of associated type(s); and

at least one of the associated types exclusively belongs to the first associated type subset or the second associated type subset.

19. The method according to claim 18 , wherein an associated type belongs both to the first associated type subset and the second associated type subset.

20. The method according to claim 15 , wherein whether:

when the operating action involves receiving:

a given parameter group is any parameter group in the first parameter-group set;

the given parameter group is used for a reception of the first signal group;

a given reference signal resource in the first reference-signal-resource set is used for determining the given parameter group;

the given reference signal resource is reserved for a given reference signal;

the given parameter group comprises large-scale properties;

the large-scale properties include one or more of delay spread, Doppler spread, Doppler shift, average delay, and Spatial Rx parameters; and

all or part of large-scale properties of a channel that the given reference signal goes through are used for inferring all or part of large-scale properties of a channel that the first signal group goes through; and

when the operating action involves transmitting:

a given parameter group is any parameter group in the first parameter-group set,

the given parameter group is used for a transmission of the first signal group;

a given reference signal resource in the first reference-signal-resource set is used for determining the given parameter group;

the given reference signal resource is reserved for a given reference signal;

the given parameter group comprises a spatial-domain filter; and

the first node employs a same spatial-domain filter for transmitting the first signal group and receiving the given reference signal.