METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION

1 . A first node for wireless communications, comprising:

a first receiver, detecting a first signaling on a first serving cell, the first signaling having a first-type DCI format, the first-type DCI format being used for scheduling PDSCH(s) on at most more than one serving cell; and

a first transmitter, generating K HARQ-ACK bit(s) for scheduling of the first signaling;

wherein the first serving cell is one of N serving cells, N being greater than 1, where each serving cell among the N serving cells is configured with the first-type DCI format; K is dependent on a configuration for the first-type DCI format on each serving cell among the N serving cells.

2 . The first node according to claim 1 , characterized in that the first receiver monitors the first-type DCI format on each serving cell among the N serving cells.

3 . The first node according to claim 1 , characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling PDSCH(s) on at most more than one serving cell among K c serving cells, K c being greater than 1, where K depends on at least two serving cells among the K c serving cells;

or, characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling PDSCH(s) on at most K c serving cells, K c being greater than 1, where K depends on K c ;

or, characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling at most P c PDSCHs, P c being greater than 1, where K depends on P c .

4 . The first node according to claim 1 , characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling at most M c Transport Blocks (TBs), M c being greater than 1, where K depends on M c .

5 . The first node according to claim 4 , characterized in that K is equal to a maximum value among N values, where one of the N values is equal to M c .

6 . The first node according to claim 4 , characterized in that the first transmitter transmits at least the K HARQ-ACK bit(s) in a first PUCCH; a transmit power of the first PUCCH depends on K.

7 . The first node according to claim 6 , characterized in that the transmit power of the first PUCCH depends on a reference HARQ-ACK bit number (i.e., bit size), the reference HARQ-ACK bit number being a number of HARQ-ACK bit(s) for obtaining a PUCCH transmit power, where the reference HARQ-ACK bit number depends on K; a first transmit power is the transmit power of the first PUCCH, the first transmit power being equal to a smaller value between an upper-limit transmit power and a target transmit power; the reference HARQ-ACK bit number is used to determine a target adjustment, the target adjustment being used to determine the target transmit power, the target transmit power being equal to a sum of multiple power control components, where the target adjustment is one of the multiple power control components; the upper-limit transmit power is a configured maximum output power.

8 . A second node for wireless communications, comprising:

a second transmitter, transmitting a first signaling on a first serving cell, the first signaling having a first-type DCI format, the first-type DCI format being used for scheduling PDSCH(s) on at most more than one serving cell; and

a second receiver, receiving K HARQ-ACK bit(s) for scheduling of the first signaling;

wherein the first serving cell is one of N serving cells, N being greater than 1, where each serving cell among the N serving cells is configured with the first-type DCI format; K is dependent on a configuration for the first-type DCI format on each serving cell among the N serving cells.

9 . The second node according to claim 8 , characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling PDSCH(s) on at most more than one serving cell among K c serving cells, K c being greater than 1, where K depends on at least two serving cells among the K c serving cells;

or, characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling PDSCH(s) on at most K c serving cells, K c being greater than 1, where K depends on K c ;

or, characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling at most P c PDSCHs, P c being greater than 1, where K depends on P c .

10 . The second node according to claim 8 , characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling at most M c TBs, M c being greater than 1, where K depends on M c .

11 . The second node according to claim 10 , characterized in that K is equal to a maximum value among N values, where one of the N values is equal to M c .

12 . The second node according to claim 10 , characterized in that the second receiver receives at least the K HARQ-ACK bit(s) in a first PUCCH; a transmit power of the first PUCCH depends on K.

13 . The second node according to claim 12 , characterized in that the transmit power of the first PUCCH depends on a reference HARQ-ACK bit number (i.e., bit size), the reference HARQ-ACK bit number being a number of HARQ-ACK bit(s) for obtaining a PUCCH transmit power, where the reference HARQ-ACK bit number depends on K; a first transmit power is the transmit power of the first PUCCH, the first transmit power being equal to a smaller value between an upper-limit transmit power and a target transmit power; the reference HARQ-ACK bit number is used to determine a target adjustment, the target adjustment being used to determine the target transmit power, the target transmit power being equal to a sum of multiple power control components, where the target adjustment is one of the multiple power control components; the upper-limit transmit power is a configured maximum output power.

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

detecting a first signaling on a first serving cell, the first signaling having a first-type DCI format, the first-type DCI format being used for scheduling PDSCH(s) on at most more than one serving cell; and

generating K HARQ-ACK bit(s) for scheduling of the first signaling;

wherein the first serving cell is one of N serving cells, N being greater than 1, where each serving cell among the N serving cells is configured with the first-type DCI format; K is dependent on a configuration for the first-type DCI format on each serving cell among the N serving cells.

15 . The method in the first node according to claim 14 , characterized in:

monitoring the first-type DCI format on each serving cell among the N serving cells.

16 . The method in the first node according to claim 14 , characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling PDSCH(s) on at most more than one serving cell among K c serving cells, K c being greater than 1, where K depends on at least two serving cells among the K c serving cells;

or, characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling PDSCH(s) on at most K c serving cells, K c being greater than 1, where K depends on K c ;

or, characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling at most P c PDSCHs, P c being greater than 1, where K depends on P c .

17 . The method in the first node according to claim 14 , characterized in that a serving cell c is any serving cell among the N serving cells, and the first-type DCI format on the serving cell c is used for scheduling at most M c TBs, M c being greater than 1, where K depends on M c .

18 . The method in the first node according to claim 17 , characterized in that K is equal to a maximum value among N values, where one of the N values is equal to M c .

19 . The method in the first node according to claim 17 , characterized in that at least the K HARQ-ACK bit(s) is(are) transmitted in a first PUCCH; a transmit power of the first PUCCH depends on K.

20 . The method in the first node according to claim 19 , characterized in that the transmit power of the first PUCCH depends on a reference HARQ-ACK bit number (i.e., bit size), the reference HARQ-ACK bit number being a number of HARQ-ACK bit(s) for obtaining a PUCCH transmit power, where the reference HARQ-ACK bit number depends on K; a first transmit power is the transmit power of the first PUCCH, the first transmit power being equal to a smaller value between an upper-limit transmit power and a target transmit power; the reference HARQ-ACK bit number is used to determine a target adjustment, the target adjustment being used to determine the target transmit power, the target transmit power being equal to a sum of multiple power control components, where the target adjustment is one of the multiple power control components; the upper-limit transmit power is a configured maximum output power.