METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION

1 . A first node for wireless communications, comprising:

a first receiver, receiving a first signaling, the first signaling being used to determine a first parameter and a second parameter, the first parameter and the second parameter being respectively for two Transport Blocks (TBs), the first parameter being one of MCS-related parameters or a number of transmission layer(s), and the second parameter being one of MCS-related parameters or a number of transmission layer(s); and a first transmitter, transmitting a first PUSCH, the first PUSCH carrying a target coded bit group, the target coded bit group comprising multiple coded bits;

wherein the first signaling is used to schedule the first PUSCH; a first UCI coded bit sequence comprises coded bits for UCI, a length of the first UCI coded bit sequence depends on the second parameter, and the target coded bit group depends on the first UCI coded bit sequence; the target coded bit group depends on a first reserved resource pool, the first reserved resource pool comprises reserved resource elements for potential HARQ-ACK transmission, and the first parameter is used to determine the first reserved resource pool.

2 . The first node according to claim 1 , wherein a target HARQ-ACK bit block comprises at least one HARQ-ACK bit, and at least one of the target coded bit group or the first UCI coded bit sequence depends on the target HARQ-ACK bit block.

3 . The first node according to claim 1 , wherein the target coded bit group comprises coded bits for only one of the two TBs;

or, wherein all bits in the target coded bit group are bits in a same codeword;

or, wherein the target coded bit group comprises a first target coded bit sequence and a second target coded bit sequence, the first target coded bit sequence and the second target coded bit sequence respectively comprise coded bits for the two TBs, and the first UCI coded bit sequence is used to determine the first target coded bit sequence.

4 . The first node according to claim 1 , wherein the first parameter and the second parameter are respectively indicated by two different modulation and coding scheme (MCS) fields in the first signaling.

5 . The first node according to claim 1 , wherein the length of the first UCI coded bit sequence is equal to a product of multiple values, the multiple values are non-negative integers, and one of the multiple values is the second parameter.

6 . The first node according to claim 4 , wherein the first parameter is used to determine a first interval, the first interval is a positive integer, and the first reserved resource pool depends on the first interval.

7 . The first node according to claim 4 , wherein the first reserved resource pool is a set of reserved resource elements for potential HARQ-ACK transmission in at least one OFDM symbol; a number of HARQ-ACK bits transmitted on the first PUSCH is not greater than 2.

8 . A second node for wireless communications, comprising:

a second transmitter, transmitting a first signaling, the first signaling being used to determine a first parameter and a second parameter, the first parameter and the second parameter being respectively for two TBs, the first parameter being one of MCS-related parameters or a number of transmission layer(s), and the second parameter being one of MCS-related parameters or a number of transmission layer(s); and

a second receiver, receiving a first PUSCH, the first PUSCH carrying a target coded bit group, the target coded bit group comprising multiple coded bits;

wherein the first signaling is used to schedule the first PUSCH; a first UCI coded bit sequence comprises coded bits for UCI, a length of the first UCI coded bit sequence depends on the second parameter, and the target coded bit group depends on the first UCI coded bit sequence; the target coded bit group depends on a first reserved resource pool, the first reserved resource pool comprises reserved resource elements for potential HARQ-ACK transmission, and the first parameter is used to determine the first reserved resource pool.

9 . The second node according to claim 8 , wherein the target coded bit group comprises coded bits for only one of the two TBs;

or, wherein all bits in the target coded bit group are bits in a same codeword;

or, wherein the target coded bit group comprises a first target coded bit sequence and a second target coded bit sequence, the first target coded bit sequence and the second target coded bit sequence respectively comprise coded bits for the two TBs, and the first UCI coded bit sequence is used to determine the first target coded bit sequence.

10 . The second node according to claim 8 , wherein the first parameter and the second parameter are respectively indicated by two different MCS fields in the first signaling.

11 . The second node according to claim 8 , wherein the length of the first UCI coded bit sequence is equal to a product of multiple values, the multiple values are non-negative integers, and one of the multiple values is the second parameter.

12 . The second node according to claim 10 , wherein the first parameter is used to determine a first interval, the first interval is a positive integer, and the first reserved resource pool depends on the first interval.

13 . The second node according to claim 10 , wherein the first reserved resource pool is a set of reserved resource elements for potential HARQ-ACK transmission in at least one OFDM symbol; a number of HARQ-ACK bits transmitted on the first PUSCH is not greater than 2.

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

receiving a first signaling, the first signaling being used to determine a first parameter and a second parameter, the first parameter and the second parameter being respectively for two TBs, the first parameter being one of MCS-related parameters or a number of transmission layer(s), and the second parameter being one of MCS-related parameters or a number of transmission layer(s); and

transmitting a first PUSCH, the first PUSCH carrying a target coded bit group, the target coded bit group comprising multiple coded bits;

wherein the first signaling is used to schedule the first PUSCH; a first UCI coded bit sequence comprises coded bits for UCI, a length of the first UCI coded bit sequence depends on the second parameter, and the target coded bit group depends on the first UCI coded bit sequence; the target coded bit group depends on a first reserved resource pool, the first reserved resource pool comprises reserved resource elements for potential HARQ-ACK transmission, and the first parameter is used to determine the first reserved resource pool.

15 . The method in a first node according to claim 14 , wherein a target HARQ-ACK bit block comprises at least one HARQ-ACK bit, and at least one of the target coded bit group or the first UCI coded bit sequence depends on the target HARQ-ACK bit block.

16 . The method in a first node according to claim 14 , wherein the target coded bit group comprises coded bits for only one of the two TBs;

or, wherein all bits in the target coded bit group are bits in a same codeword;

or, wherein the target coded bit group comprises a first target coded bit sequence and a second target coded bit sequence, the first target coded bit sequence and the second target coded bit sequence respectively comprise coded bits for the two TBs, and the first UCI coded bit sequence is used to determine the first target coded bit sequence.

17 . The method in a first node according to claim 14 , wherein the first parameter and the second parameter are respectively indicated by two different MCS fields in the first signaling.

18 . The method in a first node according to claim 14 , wherein the length of the first UCI coded bit sequence is equal to a product of multiple values, the multiple values are non-negative integers, and one of the multiple values is the second parameter.

19 . The method in a first node according to claim 17 , wherein the first parameter is used to determine a first interval, the first interval is a positive integer, and the first reserved resource pool depends on the first interval.

20 . The method in a first node according to claim 17 , wherein the first reserved resource pool is a set of reserved resource elements for potential HARQ-ACK transmission in at least one OFDM symbol; a number of HARQ-ACK bits transmitted on the first PUSCH is not greater than 2.