METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION

1 . A first node for wireless communications, comprising:

a transceiver, receiving a first information block, the first information block being used to determine a first cell set, the first cell set including multiple serving cells; and

a first receiver, monitoring at least 1 PDCCH candidate in a first time window, the first time window including at least 1 multicarrier symbol consecutive in time domain;

wherein a subcarrier spacing (SCS) of subcarrier(s) occupied in frequency domain by the at least 1 PDCCH candidate being monitored in the first time window is equal to a first SCS, the first SCS being used to determine a time length of one multicarrier symbol included in the first time window; a number of PDCCH candidate(s) using the first SCS being monitored in the first time window is no greater than a first threshold, and a number of non-overlapped CCE(s) using the first SCS being monitored in the first time window is no greater than a second threshold, the first threshold being a positive integer and the second threshold being a positive integer; the at least 1 PDCCH candidate being monitored in the first time window is used to schedule at least one serving cell included in the first cell set, the first cell set including at least one cell subset, any cell subset included in the first cell set including at least one serving cell; all serving cell(s) included in one cell subset in the first cell set can be scheduled by one same PDCCH candidate; the first threshold and the second threshold are both related to a characteristic proportional value, and a number of serving cell(s) counted for at least one cell subset included in the first cell set is used to determine the characteristic proportional value, the characteristic proportional value being no less than 0.

2 . The first node according to claim 1 , characterized in that a characteristic cell subset is a cell subset included in the first cell set, and the characteristic cell subset includes multiple serving cells; a number of serving cell(s) being counted for the characteristic cell subset is unequal to the number of serving cells included in the characteristic cell subset; the number of the serving cell(s) being counted for the characteristic cell subset is less than the number of serving cells included in the characteristic cell subset, the number of serving cells included in the characteristic cell subset is no greater than 4.

3 . The first node according to claim 1 , characterized in that the first transceiver receives a second information block; wherein the second information block is used to determine a first scaling factor, the first scaling factor being no less than 0; a product of the number of serving cell(s) counted for at least one cell subset included in the first cell set and the first scaling factor is used to determine the characteristic proportional value.

4 . The first node according to claim 1 , characterized in that a number of serving cell(s) counted for one cell subset included in the first cell set is equal to 1 or a number of serving cell(s) counted for one cell subset included in the first cell set is configured; any cell subset included in the first cell set consists of one or more serving cells in the first cell set; when the first cell set includes multiple cell subsets, there exists no overlapping serving cell between any two cell subsets included in the first cell set.

5 . The first node according to claim 1 , characterized in that the first transceiver transmits a third information block; wherein the first threshold is equal to a maximum integer that is no greater than a first intermediate value, and the second threshold is equal to a maximum integer that is no greater than a second intermediate value; the third information block is used to indicate a first quantity value, the first quantity value being a positive integer, and a number of serving cell(s) included in any cell subset included in the first cell set is no greater than the first quantity value; the first SCS is used to determine a first reference quantity value and a second reference quantity value; the first quantity value, the first reference quantity value and the characteristic proportional value are used together to determine the first intermediate value, while the first quantity value, the second reference quantity value and the characteristic proportional value are used together to determine the second intermediate value.

6 . The first node according to claim 1 , characterized in that a cell subset included in the first cell set corresponds to a first identifier, and the cell subset corresponding to the first identifier includes multiple serving cells, and a scheduling cell for all the serving cells included in the cell subset corresponding to the first identifier is a target scheduling cell; the first identifier is used to determine in a search space set on the target scheduling cell a PDCCH candidate that is used to schedule the cell subset corresponding to the first identifier.

7 . The first node according to claim 1 , characterized in that a first PDCCH candidate and a second PDCCH candidate are both used to schedule one same cell subset included in the first cell set, the first PDCCH candidate and the second PDCCH candidate occupying same CCE(s), and the first PDCCH candidate has a same scrambling as the second PDCCH candidate, a DCI format carried by the first PDCCH candidate is of the same size as a DCI format carried by the second PDCCH candidate, and an index of the first PDCCH candidate is unequal to an index of the second PDCCH candidate; only one PDCCH candidate between the first PDCCH candidate and the second PDCCH candidate is counted for monitoring; the first PDCCH candidate and the second PDCCH candidate belong to a same search space set, and only one PDCCH candidate with a smaller index between the first PDCCH candidate and the second PDCCH candidate is counted for monitoring.

8 . A second node for wireless communications, comprising:

a second transceiver, transmitting a first information block, the first information block being used to determine a first cell set, the first cell set including multiple serving cells; and

a first transmitter, determining at least 1 PDCCH candidate in a first time window, the first time window including at least 1 multicarrier symbol consecutive in time domain;

wherein a subcarrier spacing (SCS) of subcarrier(s) occupied in frequency domain by the at least 1 PDCCH candidate being monitored in the first time window is equal to a first SCS, the first SCS being used to determine a time length of one multicarrier symbol included in the first time window; a number of PDCCH candidate(s) using the first SCS being monitored in the first time window is no greater than a first threshold, and a number of non-overlapped CCE(s) using the first SCS being monitored in the first time window is no greater than a second threshold, the first threshold being a positive integer and the second threshold being a positive integer; the at least 1 PDCCH candidate being monitored in the first time window is used to schedule at least one serving cell included in the first cell set, the first cell set including at least one cell subset, any cell subset included in the first cell set including at least one serving cell; all serving cell(s) included in one cell subset in the first cell set can be scheduled by one same PDCCH candidate; the first threshold and the second threshold are both related to a characteristic proportional value, and a number of serving cell(s) counted for at least one cell subset included in the first cell set is used to determine the characteristic proportional value, the characteristic proportional value being no less than 0.

9 . The second node according to claim 8 , characterized in that a characteristic cell subset is a cell subset included in the first cell set, and the characteristic cell subset includes multiple serving cells; a number of serving cell(s) being counted for the characteristic cell subset is unequal to the number of serving cells included in the characteristic cell subset; the number of the serving cell(s) being counted for the characteristic cell subset is less than the number of serving cells included in the characteristic cell subset, the number of serving cells included in the characteristic cell subset is no greater than 4.

10 . The second node according to claim 8 , characterized in that the second transceiver transmits a second information block; wherein the second information block is used to determine a first scaling factor, the first scaling factor being no less than 0; a product of the number of serving cell(s) counted for at least one cell subset included in the first cell set and the first scaling factor is used to determine the characteristic proportional value.

11 . The second node according to claim 8 , characterized in that a number of serving cell(s) counted for one cell subset included in the first cell set is equal to 1 or a number of serving cell(s) counted for one cell subset included in the first cell set is configured; any cell subset included in the first cell set consists of one or more serving cells in the first cell set; when the first cell set includes multiple cell subsets, there exists no overlapping serving cell between any two cell subsets included in the first cell set.

12 . The second node according to claim 8 , characterized in that the second transceiver receives a third information block; wherein the first threshold is equal to a maximum integer that is no greater than a first intermediate value, and the second threshold is equal to a maximum integer that is no greater than a second intermediate value; the third information block is used to indicate a first quantity value, the first quantity value being a positive integer, and a number of serving cell(s) included in any cell subset included in the first cell set is no greater than the first quantity value; the first SCS is used to determine a first reference quantity value and a second reference quantity value; the first quantity value, the first reference quantity value and the characteristic proportional value are used together to determine the first intermediate value, while the first quantity value, the second reference quantity value and the characteristic proportional value are used together to determine the second intermediate value.

13 . The second node according to claim 8 , characterized in that a cell subset included in the first cell set corresponds to a first identifier, and the cell subset corresponding to the first identifier includes multiple serving cells, and a scheduling cell for all the serving cells included in the cell subset corresponding to the first identifier is a target scheduling cell; the first identifier is used to determine in a search space set on the target scheduling cell a PDCCH candidate that is used to schedule the cell subset corresponding to the first identifier.

14 . The second node according to claim 8 , characterized in that a first PDCCH candidate and a second PDCCH candidate are both used to schedule one same cell subset included in the first cell set, the first PDCCH candidate and the second PDCCH candidate occupying same CCE(s), and the first PDCCH candidate has a same scrambling as the second PDCCH candidate, a DCI format carried by the first PDCCH candidate is of the same size as a DCI format carried by the second PDCCH candidate, and an index of the first PDCCH candidate is unequal to an index of the second PDCCH candidate; only one PDCCH candidate between the first PDCCH candidate and the second PDCCH candidate is counted for monitoring; the first PDCCH candidate and the second PDCCH candidate belong to a same search space set, and only one PDCCH candidate with a smaller index between the first PDCCH candidate and the second PDCCH candidate is counted for monitoring.

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

receiving a first information block, the first information block being used to determine a first cell set, the first cell set including multiple serving cells; and

monitoring at least 1 PDCCH candidate in a first time window, the first time window including at least 1 multicarrier symbol consecutive in time domain;

wherein a subcarrier spacing (SCS) of subcarrier(s) occupied in frequency domain by the at least 1 PDCCH candidate being monitored in the first time window is equal to a first SCS, the first SCS being used to determine a time length of one multicarrier symbol included in the first time window; a number of PDCCH candidate(s) using the first SCS being monitored in the first time window is no greater than a first threshold, and a number of non-overlapped CCE(s) using the first SCS being monitored in the first time window is no greater than a second threshold, the first threshold being a positive integer and the second threshold being a positive integer; the at least 1 PDCCH candidate being monitored in the first time window is used to schedule at least one serving cell included in the first cell set, the first cell set including at least one cell subset, any cell subset included in the first cell set including at least one serving cell; all serving cell(s) included in one cell subset in the first cell set can be scheduled by one same PDCCH candidate; the first threshold and the second threshold are both related to a characteristic proportional value, and a number of serving cell(s) counted for at least one cell subset included in the first cell set is used to determine the characteristic proportional value, the characteristic proportional value being no less than 0.

16 . The method in the first node according to claim 15 , characterized in that a characteristic cell subset is a cell subset included in the first cell set, and the characteristic cell subset includes multiple serving cells; a number of serving cell(s) being counted for the characteristic cell subset is unequal to the number of serving cells included in the characteristic cell subset; the number of the serving cell(s) being counted for the characteristic cell subset is less than the number of serving cells included in the characteristic cell subset, the number of serving cells included in the characteristic cell subset is no greater than 4.

17 . The method in the first node according to claim 15 , characterized in that a number of serving cell(s) counted for one cell subset included in the first cell set is equal to 1 or a number of serving cell(s) counted for one cell subset included in the first cell set is configured; any cell subset included in the first cell set consists of one or more serving cells in the first cell set; when the first cell set includes multiple cell subsets, there exists no overlapping serving cell between any two cell subsets included in the first cell set.

18 . The method in the first node according to claim 15 , characterized in comprising:

transmitting a third information block;

wherein the first threshold is equal to a maximum integer that is no greater than a first intermediate value, and the second threshold is equal to a maximum integer that is no greater than a second intermediate value; the third information block is used to indicate a first quantity value, the first quantity value being a positive integer, and a number of serving cell(s) included in any cell subset included in the first cell set is no greater than the first quantity value; the first SCS is used to determine a first reference quantity value and a second reference quantity value; the first quantity value, the first reference quantity value and the characteristic proportional value are used together to determine the first intermediate value, while the first quantity value, the second reference quantity value and the characteristic proportional value are used together to determine the second intermediate value.

19 . The method in the first node according to claim 15 , characterized in that a cell subset included in the first cell set corresponds to a first identifier, and the cell subset corresponding to the first identifier includes multiple serving cells, and a scheduling cell for all the serving cells included in the cell subset corresponding to the first identifier is a target scheduling cell; the first identifier is used to determine in a search space set on the target scheduling cell a PDCCH candidate that is used to schedule the cell subset corresponding to the first identifier.

20 . The method in the first node according to claim 15 , characterized in that a first PDCCH candidate and a second PDCCH candidate are both used to schedule one same cell subset included in the first cell set, the first PDCCH candidate and the second PDCCH candidate occupying same CCE(s), and the first PDCCH candidate has a same scrambling as the second PDCCH candidate, a DCI format carried by the first PDCCH candidate is of the same size as a DCI format carried by the second PDCCH candidate, and an index of the first PDCCH candidate is unequal to an index of the second PDCCH candidate; only one PDCCH candidate between the first PDCCH candidate and the second PDCCH candidate is counted for monitoring; the first PDCCH candidate and the second PDCCH candidate belong to a same search space set, and only one PDCCH candidate with a smaller index between the first PDCCH candidate and the second PDCCH candidate is counted for monitoring.