METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION

1 . A first node for wireless communications, comprising:

a first processor, determining a first resource set and a first resource set group from M resource sets, and monitoring a first-type channel in the first resource set group in a first time window, where M is a positive integer greater than 1;

wherein any two of the M resource sets are overlapping in time domain in the first time window, and the first resource set group comprises the first resource set; any resource set among the M resource sets is connected with one or two spatial states; a second resource set is any of the M resource sets different from the first resource set; whether a first condition is fulfilled is used to determine whether the second resource set belongs to the first resource set group; the first condition is related to the number of spatial state(s) with which the second resource set is connected; the first resource set is connected with a target spatial state; when the second resource set is connected with only a first spatial state, the first condition comprises the first spatial state and the target spatial state being configured with same properties for a first QCL Type; when the second resource set is connected with a first spatial state and a second spatial state, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state, or, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state.

2 . The first node according to claim 1 , wherein a given resource set is any resource set among the M resource sets, with a first search space set being associated with the given resource set; if the first search space set and a second search space set are linked, the given resource set is connected with a fifth spatial state; the fifth spatial state is used for configuring a QCL relationship between a DMRS port/DMRS ports for a PDCCH being transmitted in the second search space set and one or two reference signals.

3 . The first node according to claim 1 , wherein when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state;

or, when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; the second condition set comprises a second condition, the second condition comprising that the first node is configured with a first higher-layer parameter and that the first higher-layer parameter's value belongs to a first parameter value set, the first parameter value set comprising at least one parameter value;

or, when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; the first node is configured with K search space sets, where K is a positive integer greater than 1; the second condition set comprises a third condition, the third condition comprising that there are a third search space set and a fourth search space set among the K search space sets, and there is a PDCCH candidate in the third search space set being linked to and overlapping in time domain with a PDCCH candidate in the fourth search space.

4 . The first node according to claim 1 , wherein the first processor receives first information; wherein the first information is used to determine the first condition.

5 . The first node according to claim 1 , wherein when the first resource set is connected with a third spatial state and a fourth spatial state, the target spatial state is a default spatial state of the third spatial state and the fourth spatial state, or, the target spatial state is any spatial state of the third spatial state and the fourth spatial state.

6 . A second node for wireless communications, comprising:

a second processor, transmitting or dropping transmission of a first-type channel in a first resource set group in a first time window;

wherein the first resource set group comprises at least one of M resource sets, M being a positive integer greater than 1; any two of the M resource sets are overlapping in time domain in the first time window; a target receiver for the first-type channel determines a first resource set and the first resource set group from the M resource sets, and monitors the first-type channel in the first resource set group; the first resource set group comprises the first resource set; any of the M resource sets is connected with one or two spatial states; a second resource set is any of the M resource sets different from the first resource set; whether a first condition is fulfilled is used to determine whether the second resource set belongs to the first resource set group;

the first condition is related to the number of spatial state(s) with which the second resource set is connected;

the first resource set is connected with a target spatial state; when the second resource set is connected with only a first spatial state, the first condition comprises the first spatial state and the target spatial state being configured with same properties for a first QCL Type; when the second resource set is connected with a first spatial state and a second spatial state, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state, or, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state.

7 . The second node according to claim 6 , wherein a given resource set is any resource set among the M resource sets, with a first search space set being associated with the given resource set; if the first search space set and a second search space set are linked, the given resource set is connected with a fifth spatial state; the fifth spatial state is used for configuring a QCL relationship between a DMRS port/DMRS ports for a PDCCH being transmitted in the second search space set and one or two reference signals.

8 . The second node according to claim 6 , wherein when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state;

or, when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; the second condition set comprises a second condition, the second condition comprising that the target receiver for the first-type channel is configured with a first higher-layer parameter and that the first higher-layer parameter's value belongs to a first parameter value set, the first parameter value set comprising at least one parameter value;

or, when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; the target receiver for the first-type channel is configured with K search space sets, where K is a positive integer greater than 1; the second condition set comprises a third condition, the third condition comprising that there are a third search space set and a fourth search space set among the K search space sets, and there is a PDCCH candidate in the third search space set being link to and overlapping in time domain with a PDCCH candidate in the fourth search space.

9 . The second node according to claim 6 , wherein the second processor transmits first information; wherein the first information is used to determine the first condition.

10 . The second node according to claim 6 , wherein when the first resource set is connected with a third spatial state and a fourth spatial state, the target spatial state is a default spatial state of the third spatial state and the fourth spatial state, or, the target spatial state is any spatial state of the third spatial state and the fourth spatial state.

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

determining a first resource set and a first resource set group from M resource sets, where M is a positive integer greater than 1; and

monitoring a first-type channel in the first resource set group in a first time window;

wherein any two of the M resource sets are overlapping in time domain in the first time window, and the first resource set group comprises the first resource set; any resource set among the M resource sets is connected to one or two spatial states; a second resource set is any of the M resource sets different from the first resource set; whether a first condition is fulfilled is used to determine whether the second resource set belongs to the first resource set group; the first condition is related to the number of spatial state(s) with which the second resource set is connected; the first resource set is connected with a target spatial state; when the second resource set is connected with only a first spatial state, the first condition comprises the first spatial state and the target spatial state being configured with same properties for a first QCL Type; when the second resource set is connected with a first spatial state and a second spatial state, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state, or, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state.

12 . The method according to claim 11 , wherein a given resource set is any resource set among the M resource sets, with a first search space set being associated with the given resource set; if the first search space set and a second search space set are linked, the given resource set is connected with a fifth spatial state; the fifth spatial state is used for configuring a QCL relationship between a DMRS port/DMRS ports for a PDCCH being transmitted in the second search space set and one or two reference signals.

13 . The method according to claim 11 , wherein when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial states being configured with same properties for the first QCL Type as the target spatial state;

or, when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; the second condition set comprises a second condition, the second condition comprising that the first node is configured with a first higher-layer parameter and that the first higher-layer parameter's value belongs to a first parameter value set, the first parameter value set comprising at least one parameter value;

or, when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; the first node is configured with K search space sets, where K is a positive integer greater than 1; the second condition set comprises a third condition, the third condition comprising that there are a third search space set and a fourth search space set among the K search space sets, and there is a PDCCH candidate in the third search space set being linked to and overlapping in time domain with a PDCCH candidate in the fourth search space.

14 . The method according to claim 11 , comprising:

receiving first information;

wherein the first information is used to determine the first condition.

15 . The method according to claim 11 , wherein when the first resource set is connected with a third spatial state and a fourth spatial state, the target spatial state is a default spatial state of the third spatial state and the fourth spatial state, or, the target spatial state is any spatial state of the third spatial state and the fourth spatial state.

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

transmitting or dropping transmission of a first-type channel in a first resource set group in a first time window;

wherein the first resource set group comprises at least one of M resource sets, M being a positive integer greater than 1; any two of the M resource sets are overlapping in time domain in the first time window; a target receiver for the first-type channel determines a first resource set and the first resource set group from the M resource sets, and monitors the first-type channel in the first resource set group; the first resource set group comprises the first resource set; any of the M resource sets is connected with one or two spatial states; a second resource set is any of the M resource sets different from the first resource set; whether a first condition is fulfilled is used to determine whether the second resource set belongs to the first resource set group;

the first condition is related to the number of spatial state(s) with which the second resource set is connected;

the first resource set is connected with a target spatial state; when the second resource set is connected with only a first spatial state, the first condition comprises the first spatial state and the target spatial state being configured with same properties for a first QCL Type; when the second resource set is connected with a first spatial state and a second spatial state, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state, or, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state.

17 . The method according to claim 16 , wherein a given resource set is any resource set among the M resource sets, with a first search space set being associated with the given resource set; if the first search space set and a second search space set are linked, the given resource set is connected with a fifth spatial state; the fifth spatial state is used for configuring a QCL relationship between a DMRS port/DMRS ports for a PDCCH being transmitted in the second search space set and one or two reference signals.

18 . The method according to claim 16 , wherein when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state;

or, when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; the second condition set comprises a second condition, the second condition comprising that the target receiver for the first-type channel is configured with a first higher-layer parameter and that the first higher-layer parameter's value belongs to a first parameter value set, the first parameter value set comprising at least one parameter value;

or, when the second resource set is connected with the first spatial state and the second spatial state, whether a second condition set is fulfilled is used to determine the first condition; when the second condition set is fulfilled, the first condition comprises there being a spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; when the second condition set is unfulfilled, the first condition comprises a default spatial state of the first spatial state and the second spatial state being configured with same properties for the first QCL Type as the target spatial state; the target receiver for the first-type channel is configured with K search space sets, where K is a positive integer greater than 1; the second condition set comprises a third condition, the third condition comprising that there are a third search space set and a fourth search space set among the K search space sets, and there is a PDCCH candidate in the third search space set being linked to and overlapping in time domain with a PDCCH candidate in the fourth search space.

19 . The method according to claim 16 , comprising:

transmitting first information;

wherein the first information is used to determine the first condition.

20 . The method according to claim 16 , wherein when the first resource set is connected with a third spatial state and a fourth spatial state, the target spatial state is a default spatial state of the third spatial state and the fourth spatial state, or, the target spatial state is any spatial state of the third spatial state and the fourth spatial state.