METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION
The present disclosure provides a method and a device in a node used for wireless communications. A first receiver, monitoring in a first time-frequency resource pool and a second time-frequency resource pool; herein, a first instant of time is a boundary instant of the first time-frequency resource pool in time domain, the first instant of time being used to indicate a first time window; when time-domain resources occupied by the second time-frequency resource pool and the first time window are overlapping, the first time-frequency resource pool is associated with the second time-frequency resource pool; when time-domain resources occupied by the second time-frequency resource pool and the first time window are orthogonal, the first time-frequency resource pool is not associated with the second time-frequency resource pool.
1 . A first node for wireless communications, comprising:
a first receiver, monitoring in a first time-frequency resource pool and a second time-frequency resource pool;
wherein a first instant of time is a boundary instant of the first time-frequency resource pool in time domain, the first instant of time being used to indicate a first time window; when time-domain resources occupied by the second time-frequency resource pool and the first time window are overlapping, the first time-frequency resource pool and the second time-frequency resource pool are associated; when time-domain resources occupied by the second time-frequency resource pool and the first time window are orthogonal, the first time-frequency resource pool and the second time-frequency resource pool are not associated.
2 . The first node according to claim 1 , wherein a meaning of the first time-frequency resource pool and the second time-frequency resource pool being associated comprises: a PDCCH candidate comprised in the first time-frequency resource pool and a PDCCH candidate comprised in the second time-frequency resource pool are associated.
3 . The first node according to claim 2 , wherein the two PDCCH candidates being associated have a same starting CCE index.
4 . The first node according to claim 2 , wherein the first time-frequency resource pool and the second time-frequency resource pool are respectively defined in different search space sets.
5 . The first node according to claim 4 , wherein the first time-frequency resource pool is a first-type time-frequency resource pool, and the second time-frequency resource pool is a second-type time-frequency resource pool, the first-type time-frequency resource pool and the second-type time-frequency resource pool being respectively defined in different search space sets; in time domain: among all the second-type time-frequency resource pools, the second time-frequency resource pool is the second-type time-frequency resource pool with an end time nearest to the first instant of time.
6 . The first node according to claim 1 , wherein the first time window comprises K contiguous time unit(s), the K contiguous time unit(s) comprising the first instant of time, K being a positive integer.
7 . The first node according to claim 1 , wherein whether the first time-frequency resource pool is configured with a first configuration is used to indicate a number of time units comprised in the first time window.
8 . A second node for wireless communications, comprising:
a second transmitter, transmitting in at least one of a first time-frequency resource pool or a second time-frequency resource pool;
wherein a first instant of time is a boundary instant of the first time-frequency resource pool in time domain, the first instant of time being used to indicate a first time window; when time-domain resources occupied by the second time-frequency resource pool and the first time window are overlapping, the first time-frequency resource pool and the second time-frequency resource pool are associated; when time-domain resources occupied by the second time-frequency resource pool and the first time window are orthogonal, the first time-frequency resource pool and the second time-frequency resource pool are not associated.
9 . The second node according to claim 8 , wherein a meaning of the first time-frequency resource pool and the second time-frequency resource pool being associated comprises: a PDCCH candidate comprised in the first time-frequency resource pool and a PDCCH candidate comprised in the second time-frequency resource pool are associated.
10 . The second node according to claim 9 , wherein the two PDCCH candidates being associated have a same starting CCE index.
11 . The second node according to claim 9 , wherein the first time-frequency resource pool and the second time-frequency resource pool are respectively defined in different search space sets.
12 . The second node according to claim 11 , wherein the first time-frequency resource pool is a first-type time-frequency resource pool, and the second time-frequency resource pool is a second-type time-frequency resource pool, the first-type time-frequency resource pool and the second-type time-frequency resource pool being respectively defined in different search space sets; in time domain: among all the second-type time-frequency resource pools, the second time-frequency resource pool is the second-type time-frequency resource pool with an end time nearest to the first instant of time.
13 . The second node according to claim 8 , wherein whether the first time-frequency resource pool is configured with a first configuration is used to indicate a number of time units comprised in the first time window.
14 . A method in a first node for wireless communications, comprising:
monitoring in a first time-frequency resource pool and a second time-frequency resource pool;
wherein a first instant of time is a boundary instant of the first time-frequency resource pool in time domain, the first instant of time being used to indicate a first time window; when time-domain resources occupied by the second time-frequency resource pool and the first time window are overlapping, the first time-frequency resource pool and the second time-frequency resource pool are associated; when time-domain resources occupied by the second time-frequency resource pool and the first time window are orthogonal, the first time-frequency resource pool and the second time-frequency resource pool are not associated.
15 . The method in the first node according to claim 14 , wherein a meaning of the first time-frequency resource pool and the second time-frequency resource pool being associated comprises: a PDCCH candidate comprised in the first time-frequency resource pool and a PDCCH candidate comprised in the second time-frequency resource pool are associated.
16 . The method in the first node according to claim 15 , wherein the two PDCCH candidates being associated have a same starting CCE index.
17 . The method in the first node according to claim 15 , wherein the first time-frequency resource pool and the second time-frequency resource pool are respectively defined in different search space sets.
18 . The method in the first node according to claim 17 , wherein the first time-frequency resource pool is a first-type time-frequency resource pool, and the second time-frequency resource pool is a second-type time-frequency resource pool, the first-type time-frequency resource pool and the second-type time-frequency resource pool being respectively defined in different search space sets; in time domain: among all the second-type time-frequency resource pools, the second time-frequency resource pool is the second-type time-frequency resource pool with an end time nearest to the first instant of time.
19 . The method in the first node according to claim 14 , wherein the first time window comprises K contiguous time unit(s), the K contiguous time unit(s) comprising the first instant of time, K being a positive integer.
20 . The method in the first node according to claim 14 , wherein whether the first time-frequency resource pool is configured with a first configuration is used to indicate a number of time units comprised in the first time window.