Method and device in communication nodes for wireless communication

1. A first node for wireless communications, comprising:

a first receiver, receiving a first information block, a second information block and a third information block; and

a first transmitter, when a first condition set is satisfied, transmitting a first bit block and a second bit block in a first time-frequency resource block, dropping transmitting the second bit block in a second time-frequency resource block, and dropping transmitting the second bit block in a third time-frequency resource block; when the first condition set is not satisfied, dropping transmitting the first bit block in the first time-frequency resource block, transmitting the second bit block in the second time-frequency resource block, and transmitting the second bit block in the third time-frequency resource block;

the first transmitter transmits a first reference signal, or the first receiver receives a first reference signal;

the first transmitter transmits a second reference signal, or the first receiver receives a second reference signal;

wherein the first information block is used to indicate the first time-frequency resource block, and the first time-frequency resource block is reserved for the first bit block; the second information block is used to indicate the second time-frequency resource block and the third time-frequency resource block, and the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; the first time-frequency resource block overlaps with the second time-frequency resource block in time domain, and the first time-frequency resource block overlaps with the third time-frequency resource block in time domain; whether the first condition set is satisfied is used to determine whether to drop transmitting the first bit block in the first time-frequency resource block, the third information block is used to indicate a first index and a second index, the first index is used to indicate the first reference signal, and the second index is used to indicate the second reference signal: the first index is used to determine a spatial relation of the second time-frequency resource block, and the second index is used to determine a spatial relation of the third time-frequency resource block; the first condition set comprises: the first index is the same as the second index; the first index is a non-negative integer, and the second index is a non-negative integer; the first bit block comprises at least one bit, and the second bit block comprises at least one bit.

2. The first node according to claim 1 , wherein the first time-frequency resource block comprises M resource sub-blocks, spatial relations of the M resource sub-blocks are the same, M being a positive integer greater than 1.

3. The first node according to claim 1 , wherein when the first condition set is satisfied, the first transmitter executes a first behavior; wherein the first behavior comprises: dividing the first time-frequency resource block into a first resource sub-block and a second resource sub-block with a first time as boundary; the first resource sub-block and the second resource sub-block are respectively used for two repetitions of a target bit block set, and the target bit block set comprises the first bit block and the second bit block; the first time belongs to time-domain resources occupied by the first time-frequency resource block, an end time of the first resource sub-block is not later than the first time, and a start time of the second resource sub-block is later than the first time.

4. The first node according to claim 3 , wherein an end time of the second time-frequency resource block is earlier than a start time of the third time-frequency resource block, the second time-frequency resource block overlaps with only the first resource sub-block in the first resource sub-block and the second resource sub-block in time domain, and the third time-frequency resource block overlaps with only the second resource sub-block in the first resource sub-block and the second resource sub-block in time domain; time-domain resources occupied by the second time-frequency resource block and time-domain resources occupied by the third time-frequency resource block are used to determine the first time;

or, the first receiver receives a fourth information block; wherein the fourth information block is used to determine the first time; when the first condition set is satisfied, the first information block is used to indicate that the first behavior is executed.

5. The first node according to claim 1 , wherein the first receiver receives a first signal in a fourth time-frequency resource block; wherein the second information block is used to indicate the fourth time-frequency resource block, and the second bit block is used to indicate whether the first signal is correctly received.

6. A second node for wireless communications, comprising:

a second transmitter, transmitting a first information block, a second information block and a third information block; and

a second receiver, when a first condition set is satisfied, receiving a first bit block and a second bit block in a first time-frequency resource block, dropping receiving the second bit block in a second time-frequency resource block, and dropping receiving the second bit block in a third time-frequency resource block; when the first condition set is not satisfied, dropping receiving the first bit block in the first time-frequency resource block, receiving the second bit block in the second time-frequency resource block, and receiving the second bit block in the third time-frequency resource block;

the second receiver receives a first reference signal, or the second transmitter transmits a first reference signal;

the second receiver receives a second reference signal, or, the second transmitter transmits a second reference signal;

wherein the first information block is used to indicate the first time-frequency resource block, and the first time-frequency resource block is reserved for the first bit block; the second information block is used to indicate the second time-frequency resource block and the third time-frequency resource block, and the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; the first time-frequency resource block overlaps with the second time-frequency resource block in time domain, and the first time-frequency resource block overlaps with the third time-frequency resource block in time domain; whether the first condition set is satisfied is used to determine whether to drop receiving the first bit block in the first time-frequency resource block, the third information block is used to indicate a first index and a second index, the first index is used to indicate the first reference signal, and the second index is used to indicate the second reference signal; the first index is used to determine a spatial relation of the second time-frequency resource block, and the second index is used to determine a spatial relation of the third time-frequency resource block; the first condition set comprises: the first index is the same as the second index; the first index is a non-negative integer, and the second index is a non-negative integer; the first bit block comprises at least one bit, and the second bit block comprises at least one bit.

7. The second node according to claim 6 , wherein the first time-frequency resource block comprises M resource sub-blocks, spatial relations of the M resource sub-blocks are the same, M being a positive integer greater than 1.

8. The second node according to claim 6 , wherein when the first condition set is satisfied, the second receiver executes a first behavior; wherein the first behavior comprises: dividing the first time-frequency resource block into a first resource sub-block and a second resource sub-block with a first time as boundary; the first resource sub-block and the second resource sub-block are respectively used for two repetitions of a target bit block set, and the target bit block set comprises the first bit block and the second bit block; the first time belongs to time-domain resources occupied by the first time-frequency resource block, an end time of the first resource sub-block is not later than the first time, and a start time of the second resource sub-block is later than the first time.

9. The second node according to claim 8 , wherein an end time of the second time-frequency resource block is earlier than a start time of the third time-frequency resource block, the second time-frequency resource block overlaps with only the first resource sub-block in the first resource sub-block and the second resource sub-block in time domain, and the third time-frequency resource block overlaps with only the second resource sub-block in the first resource sub-block and the second resource sub-block in time domain; time-domain resources occupied by the second time-frequency resource block and time-domain resources occupied by the third time-frequency resource block are used to determine the first time;

or, the second transmitter transmits a fourth information block; wherein the fourth information block is used to determine the first time; when the first condition set is satisfied, the first information block is used to indicate that the first behavior is executed.

10. The second node according to claim 6 , wherein the second transmitter transmits a first signal in a fourth time-frequency resource block; wherein the second information block is used to indicate the fourth time-frequency resource block, and the second bit block is used to indicate whether the first signal is correctly received.

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

receiving a first information block, a second information block and a third information block;

when a first condition set is satisfied, transmitting a first bit block and a second bit block in a first time-frequency resource block, dropping transmitting the second bit block in a second time-frequency resource block, and dropping transmitting the second bit block in a third time-frequency resource block; and

when the first condition set is not satisfied, drops transmitting the first bit block in the first time-frequency resource block, transmitting the second bit block in the second time-frequency resource block, and transmitting the second bit block in the third time-frequency resource block;

transmitting a first reference signal, or receiving a first reference signal;

transmitting a second reference signal, or receiving a second reference signal;

wherein the first information block is used to indicate the first time-frequency resource block, and the first time-frequency resource block is reserved for the first bit block; the second information block is used to indicate the second time-frequency resource block and the third time-frequency resource block, and the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; the first time-frequency resource block overlaps with the second time-frequency resource block in time domain, and the first time-frequency resource block overlaps with the third time-frequency resource block in time domain; whether the first condition set is satisfied is used to determine whether to drop transmitting the first bit block in the first time-frequency resource block, the third information block is used to indicate a first index and a second index, the first index is used to indicate the first reference signal, and the second index is used to indicate the second reference signal; the first index is used to determine a spatial relation of the second time-frequency resource block, and the second index is used to determine a spatial relation of the third time-frequency resource block; the first condition set comprises: the first index is the same as the second index; the first index is a non-negative integer, and the second index is a non-negative integer; the first bit block comprises at least one bit, and the second bit block comprises at least one bit.

12. The method according to claim 11 , wherein the first time-frequency resource block comprises M resource sub-blocks, spatial relations of the M resource sub-blocks are the same, M being a positive integer greater than 1.

13. The method according to claim 11 , comprising: when the first condition set is satisfied, executing a first behavior; wherein the first behavior comprises: dividing the first time-frequency resource block into a first resource sub-block and a second resource sub-block with a first time as boundary; the first resource sub-block and the second resource sub-block are respectively used for two repetitions of a target bit block set, and the target bit block set comprises the first bit block and the second bit block; the first time belongs to time-domain resources occupied by the first time-frequency resource block, an end time of the first resource sub-block is not later than the first time, and a start time of the second resource sub-block is later than the first time.

14. The method according to claim 13 , wherein an end time of the second time-frequency resource block is earlier than a start time of the third time-frequency resource block, the second time-frequency resource block overlaps with only the first resource sub-block in the first resource sub-block and the second resource sub-block in time domain, and the third time-frequency resource block overlaps with only the second resource sub-block in the first resource sub-block and the second resource sub-block in time domain; time-domain resources occupied by the second time-frequency resource block and time-domain resources occupied by the third time-frequency resource block are used to determine the first time;

or, comprising: receiving a fourth information block; wherein the fourth information block is used to determine the first time; when the first condition set is satisfied, the first information block is used to indicate that the first behavior is executed.

15. The method according to claim 11 , wherein comprising:

receiving a first signal in a fourth time-frequency resource block; wherein the second information block is used to indicate the fourth time-frequency resource block, and the second bit block is used to indicate whether the first signal is correctly received.

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

transmitting a first information block, a second information block and a third information block;

receiving a first reference signal, or transmitting a first reference signal;

receiving a second reference signal, or transmitting a second reference signal;

when a first condition set is satisfied, receiving a first bit block and a second bit block in a first time-frequency resource block, dropping receiving the second bit block in a second time-frequency resource block, and dropping receiving the second bit block in a third time-frequency resource block; and

when the first condition set is not satisfied, dropping receiving the first bit block in the first time-frequency resource block, receiving the second bit block in the second time-frequency resource block, and receiving the second bit block in the third time-frequency resource block;

wherein the first information block is used to indicate the first time-frequency resource block, and the first time-frequency resource block is reserved for the first bit block; the second information block is used to indicate the second time-frequency resource block and the third time-frequency resource block, and the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; the first time-frequency resource block overlaps with the second time-frequency resource block in time domain, and the first time-frequency resource block overlaps with the third time-frequency resource block in time domain; whether the first condition set is satisfied is used to determine whether to drop receiving the first bit block in the first time-frequency resource block, the third information block is used to indicate a first index and a second index, the first index is used to indicate the first reference signal, and the second index is used to indicate the second reference signal: the first index is used to determine a spatial relation of the second time-frequency resource block, and the second index is used to determine a spatial relation of the third time-frequency resource block; the first condition set comprises: the first index is the same as the second index; the first index is a non-negative integer, and the second index is a non-negative integer; the first bit block comprises at least one bit, and the second bit block comprises at least one bit.

17. The method according to claim 16 , wherein the first time-frequency resource block comprises M resource sub-blocks, spatial relations of the M resource sub-blocks are the same, M being a positive integer greater than 1.

18. The method according to claim 16 , comprising:

when the first condition set is satisfied, executing a first behavior;

wherein the first behavior comprises: dividing the first time-frequency resource block into a first resource sub-block and a second resource sub-block with a first time as boundary; the first resource sub-block and the second resource sub-block are respectively used for two repetitions of a target bit block set, and the target bit block set comprises the first bit block and the second bit block; the first time belongs to time-domain resources occupied by the first time-frequency resource block, an end time of the first resource sub-block is not later than the first time, and a start time of the second resource sub-block is later than the first time.

19. The method according to claim 18 , wherein an end time of the second time-frequency resource block is earlier than a start time of the third time-frequency resource block, the second time-frequency resource block overlaps with only the first resource sub-block in the first resource sub-block and the second resource sub-block in time domain, and the third time-frequency resource block overlaps with only the second resource sub-block in the first resource sub-block and the second resource sub-block in time domain; time-domain resources occupied by the second time-frequency resource block and time-domain resources occupied by the third time-frequency resource block are used to determine the first time;

or, comprising: transmitting a fourth information block; wherein the fourth information block is used to determine the first time; when the first condition set is satisfied, the first information block is used to indicate that the first behavior is executed.

20. The method according to claim 16 , comprising:

transmitting a first signal in a fourth time-frequency resource block; wherein the second information block is used to indicate the fourth time-frequency resource block, and the second bit block is used to indicate whether the first signal is correctly received.