METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION

1 . A first node for wireless communications, comprising:

a first receiver, receiving a first signaling and a second signaling;

a first transmitter, transmitting a first signal in a first symbol group, the first signal being transmitted in PUSCH; and

the first transmitter, transmitting a second signal in a third symbol group, or dropping transmitting a second signal in a third symbol group; a physical-layer channel corresponding to the second signal comprising PUSCH;

wherein the first signaling is used to determine the first symbol group, the second signaling is used to determine a second symbol group, and the second symbol group is assigned to the second signal; the first symbol group is overlapping with the second symbol group; the third symbol group is a subset of the second symbol group, and the third symbol group comprises at least a part of the second symbol group overlapping with the first symbol group; the first signal is associated with a first reference signal resource; the second signal is associated with a second reference signal resource; whether the first transmitter transmits the second signal or drops transmitting the second signal in the third symbol group is related to whether the first reference signal resource and the second reference signal resource belong to a same reference signal resource group in M reference signal resource groups, M being a positive integer greater than 1; when the first reference signal resource and the second reference signal resource belong to a same reference signal resource group in the M reference signal resource groups, the first transmitter drops transmitting the second signal in the third symbol group; when the first reference signal resource and the second reference signal resource respectively belong to different reference signal resource groups in the M reference signal resource groups, the first transmitter transmits the second signal in the third symbol group.

2 . The first node according to claim 1 , wherein M reference signal resources correspond one-to-one with the M reference signal resource groups, and any of the M reference signal resources is used to determine a spatial relation of each reference signal resource in a corresponding reference signal resource group.

3 . The first node according to claim 1 , wherein any reference signal resource in the M reference signal resource groups corresponds to a first-type index, and the M reference signal resource groups correspond one-to-one with M index values; the first-type indices corresponding to all reference signal resources in any of the M reference signal resource groups are equal to a corresponding index value; any two of the M index values are not equal; the first-type index corresponding to a reference signal resource is comprised in configuration information of a reference signal resource set to which the reference signal resource belongs; the reference signal resource set comprises an SRS resource set, and any reference signal resource in the M reference signal resource groups is an SRS resource.

4 . The first node according to claim 1 , wherein M TCI state groups correspond one-to-one with the M reference signal resource groups, and the M TCI state groups respectively comprise a TCI state; the M TCI state groups correspond one-to-one with M CORESET pools; a first reference signal resource group is any of the M reference signal resource groups; a first TCI state group is a TCI state group corresponding to the first reference signal resource group in the M TCI state groups; for any given reference signal resource in the first reference signal resource group, a TCI state in the first TCI state group is used to determine a spatial relation of the given reference signal resource, or a TCI state in the first TCI state group indicates the given reference signal resource.

5 . The first node according to claim 1 , wherein the first signal and the second signal belong to a same carrier, the M reference signal resource groups correspond one-to-one with M cells, and all reference signal resources in any of the M reference signal resource groups are associated with a corresponding cell.

6 . The first node according to claim 1 , wherein the first reference signal resource is used to determine a spatial relation of the first signal, and the second reference signal resource is used to determine a spatial relation of the second signal, and the spatial relation comprises a spatial domain transmission filter;

or, the first reference signal resource comprises an SRS resource, and the first node uses antenna port(s) same as SRS port(s) of the first reference signal resource to transmit the first signal, the second reference signal resource comprises an SRS resource, and the first node uses antenna port(s) same as SRS port(s) of the second reference signal resource to transmit the second signal.

7 . The first node according to claim 1 , wherein a priority of the first signal is higher than a priority of the second signal.

8 . A second node for wireless communications, comprising:

a second transmitter, transmitting a first signaling and a second signaling; and

a second receiver, receiving a first signal in a first symbol group, the first signal being transmitted in PUSCH; and

the second receiver, receiving a second signal in a third symbol group, or dropping receiving a second signal in a third symbol group; a physical-layer channel corresponding to the second signal comprising PUSCH;

wherein the first signaling is used to determine the first symbol group, the second signaling is used to determine a second symbol group, and the second symbol group is assigned to the second signal; the first symbol group is overlapping with the second symbol group; the third symbol group is a subset of the second symbol group, and the third symbol group comprises at least a part of the second symbol group overlapping with the first symbol group; the first signal is associated with a first reference signal resource; the second signal is associated with a second reference signal resource; a transmitter of the first signal transmits the second signal or drops transmitting the second signal in the third symbol group; whether the transmitter of the first signal transmits the second signal or drops transmitting the second signal in the third symbol group is related to whether the first reference signal resource and the second reference signal resource belong to a same reference signal resource group in M reference signal resource groups, M being a positive integer greater than 1; when the first reference signal resource and the second reference signal resource belong to a same reference signal resource group in the M reference signal resource groups, the transmitter of the first signal drops transmitting the second signal in the third symbol group; when the first reference signal resource and the second reference signal resource respectively belong to different reference signal resource groups in the M reference signal resource groups, the transmitter of the first signal transmits the second signal in the third symbol group.

9 . The second node according to claim 8 , wherein any reference signal resource in the M reference signal resource groups corresponds to a first-type index, and the M reference signal resource groups correspond one-to-one with M index values; the first-type indices corresponding to all reference signal resources in any of the M reference signal resource groups are equal to a corresponding index value; any two of the M index values are not equal; the first-type index corresponding to a reference signal resource is comprised in configuration information of a reference signal resource set to which the reference signal resource belongs; the reference signal resource set comprises an SRS resource set, and any reference signal resource in the M reference signal resource groups is an SRS resource;

or, M TCI state groups correspond one-to-one with the M reference signal resource groups, and the M TCI state groups respectively comprise a TCI state; the M TCI state groups correspond one-to-one with M CORESET pools; a first reference signal resource group is any of the M reference signal resource groups; a first TCI state group is a TCI state group corresponding to the first reference signal resource group in the M TCI state groups; for any given reference signal resource in the first reference signal resource group, a TCI state in the first TCI state group is used to determine a spatial relation of the given reference signal resource, or a TCI state in the first TCI state group indicates the given reference signal resource.

10 . The second node according to claim 8 , wherein the first signal and the second signal belong to a same carrier, the M reference signal resource groups correspond one-to-one with M cells, and all reference signal resources in any of the M reference signal resource groups are associated with a corresponding cell.

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

receiving a first signaling and a second signaling;

transmitting a first signal in a first symbol group, the first signal being transmitted in PUSCH; and

transmitting a second signal in a third symbol group, or dropping transmitting a second signal in a third symbol group; a physical-layer channel corresponding to the second signal comprising PUSCH;

wherein the first signaling is used to determine the first symbol group, the second signaling is used to determine a second symbol group, and the second symbol group is assigned to the second signal; the first symbol group is overlapping with the second symbol group; the third symbol group is a subset of the second symbol group, and the third symbol group comprises at least a part of the second symbol group overlapping with the first symbol group; the first signal is associated with a first reference signal resource; the second signal is associated with a second reference signal resource; whether the first node transmits the second signal or drops transmitting the second signal in the third symbol group is related to whether the first reference signal resource and the second reference signal resource belong to a same reference signal resource group in M reference signal resource groups, M being a positive integer greater than 1; when the first reference signal resource and the second reference signal resource belong to a same reference signal resource group in the M reference signal resource groups, the first node drops transmitting the second signal in the third symbol group; when the first reference signal resource and the second reference signal resource respectively belong to different reference signal resource groups in the M reference signal resource groups, the first node transmits the second signal in the third symbol group.

12 . The method according to claim 11 , wherein M reference signal resources correspond one-to-one with the M reference signal resource groups, and any of the M reference signal resources is used to determine a spatial relation of each reference signal resource in a corresponding reference signal resource group.

13 . The method according to claim 11 , wherein any reference signal resource in the M reference signal resource groups corresponds to a first-type index, and the M reference signal resource groups correspond one-to-one with M index values; the first-type indices corresponding to all reference signal resources in any of the M reference signal resource groups are equal to a corresponding index value; any two of the M index values are not equal; the first-type index corresponding to a reference signal resource is comprised in configuration information of a reference signal resource set to which the reference signal resource belongs; the reference signal resource set comprises an SRS resource set, and any reference signal resource in the M reference signal resource groups is an SRS resource.

14 . The method according to claim 11 , wherein M TCI state groups correspond one-to-one with the M reference signal resource groups, and the M TCI state groups respectively comprise a TCI state; the M TCI state groups correspond one-to-one with M CORESET pools; a first reference signal resource group is any of the M reference signal resource groups; a first TCI state group is a TCI state group corresponding to the first reference signal resource group in the M TCI state groups; for any given reference signal resource in the first reference signal resource group, a TCI state in the first TCI state group is used to determine a spatial relation of the given reference signal resource, or a TCI state in the first TCI state group indicates the given reference signal resource.

15 . The method according to claim 11 , wherein the first signal and the second signal belong to a same carrier, the M reference signal resource groups correspond one-to-one with M cells, and all reference signal resources in any of the M reference signal resource groups are associated with a corresponding cell.

16 . The method according to claim 11 , wherein the first reference signal resource is used to determine a spatial relation of the first signal, and the second reference signal resource is used to determine a spatial relation of the second signal, and the spatial relation comprises a spatial domain transmission filter;

or, the first reference signal resource comprises an SRS resource, and the first node uses antenna port(s) same as SRS port(s) of the first reference signal resource to transmit the first signal, the second reference signal resource comprises an SRS resource, and the first node uses antenna port(s) same as SRS port(s) of the second reference signal resource to transmit the second signal.

17 . The method according to claim 11 , wherein a priority of the first signal is higher than a priority of the second signal.

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

transmitting a first signaling and a second signaling;

receiving a first signal in a first symbol group, the first signal being transmitted in PUSCH; and

receiving a second signal in a third symbol group, or dropping receiving a second signal in a third symbol group; a physical-layer channel corresponding to the second signal comprising PUSCH;

wherein the first signaling is used to determine the first symbol group, the second signaling is used to determine a second symbol group, and the second symbol group is assigned to the second signal; the first symbol group is overlapping with the second symbol group; the third symbol group is a subset of the second symbol group, and the third symbol group comprises at least a part of the second symbol group overlapping with the first symbol group; the first signal is associated with a first reference signal resource; the second signal is associated with a second reference signal resource; a transmitter of the first signal transmits the second signal or drops transmitting the second signal in the third symbol group; whether the transmitter of the first node transmits the second signal or drops transmitting the second signal in the third symbol group is related to whether the first reference signal resource and the second reference signal resource belong to a same reference signal resource group in M reference signal resource groups, M being a positive integer greater than 1; when the first reference signal resource and the second reference signal resource belong to a same reference signal resource group in the M reference signal resource groups, the transmitter of the first signal drops transmitting the second signal in the third symbol group; when the first reference signal resource and the second reference signal resource respectively belong to different reference signal resource groups in the M reference signal resource groups, the transmitter of the first signal transmits the second signal in the third symbol group.

19 . The method according to claim 18 , wherein any reference signal resource in the M reference signal resource groups corresponds to a first-type index, and the M reference signal resource groups correspond one-to-one with M index values; the first-type indices corresponding to all reference signal resources in any of the M reference signal resource groups are equal to a corresponding index value; any two of the M index values are not equal; the first-type index corresponding to a reference signal resource is comprised in configuration information of a reference signal resource set to which the reference signal resource belongs; the reference signal resource set comprises an SRS resource set, and any reference signal resource in the M reference signal resource groups is an SRS resource;

or, M TCI state groups correspond one-to-one with the M reference signal resource groups, and the M TCI state groups respectively comprise a TCI state; the M TCI state groups correspond one-to-one with M CORESET pools; a first reference signal resource group is any of the M reference signal resource groups; a first TCI state group is a TCI state group corresponding to the first reference signal resource group in the M TCI state groups;

for any given reference signal resource in the first reference signal resource group, a TCI state in the first TCI state group is used to determine a spatial relation of the given reference signal resource, or a TCI state in the first TCI state group indicates the given reference signal resource.

20 . The method according to claim 18 , wherein the first signal and the second signal belong to a same carrier, the M reference signal resource groups correspond one-to-one with M cells, and all reference signal resources in any of the M reference signal resource groups are associated with a corresponding cell.