Method and device in UE and base station for wireless communication

1. A method in a first node for wireless communication, comprising:

performing first monitoring, and determining, according to the first monitoring, that a first time-frequency resource pool is not available for a second-type transmission; and

transmitting first control information, the first control information being used for reserving the first time-frequency resource pool to a first-type transmission;

wherein the first monitoring belongs to first-type monitoring; for the first-type transmission and the second-type transmission, second-type monitoring is only used for determining whether the first-type transmission can be performed; and the first-type monitoring is long-term while the second-type monitoring is short-term.

2. The method according to claim 1 , wherein the first time-frequency resource pool comprises multiple first-type time-frequency resource subpools, and any two of the multiple first-type time-frequency resource subpools are not consecutive in time domain.

3. The method according to claim 1 , comprising:

determining, according to the first monitoring, that a second time-frequency resource pool is available for the second-type transmission; and

transmitting second control information, the second control information being used for reserving the second time-frequency resource pool to the second-type transmission.

4. The method according to claim 3 , comprising:

selecting a second time-frequency resource subpool from the second time-frequency resource pool;

wherein the first control information is transmitted in the second time-frequency resource subpool.

5. The method according to claim 3 , comprising:

transmitting a first radio signal;

wherein the first radio signal is transmitted in the second time-frequency resource pool, and the first radio signal is directly transmitted; or, the first radio signal is transmitted in the first time-frequency resource pool, and the method further comprises:

performing second-monitoring to judge that time-frequency resources occupied by the first radio signal are available for wireless transmission;

wherein the second monitoring belongs to the second-type monitoring.

6. The method according to claim 3 , comprising:

transmitting third control information in the second time-frequency resource pool;

wherein the third control information is used for the first time-frequency resource pool.

7. The method according to claim 2 , wherein the second time-frequency resource pool comprises multiple second-type time-frequency resource subpools, and any two of the multiple second-type time-frequency resource subpools are not consecutive in time domain.

8. The method according to claim 5 , comprising:

receiving first feedback information;

wherein the first feedback information is used for indicating whether the first radio signal is correctly decoded, the first radio signal is transmitted in the first time-frequency resource pool, and the first feedback information is transmitted in the second time-frequency resource pool.

9. A method in a second node for wireless communication, comprising:

receiving first control information, the first control information being used for reserving a first time-frequency resource pool to a first-type transmission;

wherein first monitoring is used for determining that the first time-frequency resource pool is not available for a second-type transmission; the first monitoring belongs to first-type monitoring; for the first-type transmission and the second-type transmission, second-type monitoring is only used for determining whether the first-type transmission can be performed; and the first-type monitoring is long-term while the second-type monitoring is short-term.

10. The method according to claim 9 , wherein the first time-frequency resource pool comprises multiple first-type time-frequency resource subpools, and any two of the multiple first-type time-frequency resource subpools are not consecutive in time domain.

11. The method according to claim 9 , comprising:

receiving second control information, the second control information being used for reserving a second time-frequency resource pool to the second-type transmission;

wherein the first monitoring is used for determining that the second time-frequency resource pool is available for the second-type transmission.

12. The method according to claim 11 , comprising:

monitoring the first control information in the second time-frequency resource pool;

wherein the first control information is received in a second time-frequency resource subpool, and the second time-frequency resource subpool belongs to the second time-frequency resource pool.

13. The method according to claim 11 , comprising:

receiving a first radio signal;

wherein the first radio signal is transmitted in the second time-frequency resource pool, and the first radio signal is directly transmitted; or, the first radio signal is transmitted in the first time-frequency resource pool, second monitoring is used for judging that time-frequency resources occupied by the first radio signal are available for wireless transmission, and the second monitoring belongs to the second-type monitoring.

14. The method according to claim 11 , comprising:

receiving third control information in the second time-frequency resource pool;

wherein the third control information is used for the first time-frequency resource pool.

15. The method according to claim 10 , wherein the second time-frequency resource pool comprises multiple second-type time-frequency resource subpools, and any two of the multiple second-type time-frequency resource subpools are not consecutive in time domain.

16. The method according to claim 13 , comprising:

transmitting first feedback information;

wherein the first feedback information is used for indicating whether the first radio signal is correctly decoded, the first radio signal is transmitted in the first time-frequency resource pool, and the first feedback information is transmitted in the second time-frequency resource pool.

17. A first node for wireless communication, comprising:

a first receiver, to perform first monitoring, and to determine, according to the first monitoring, that a first time-frequency resource pool is not available for a second-type transmission; and

a first transmitter, to transmit first control information, the first control information being used for reserving the first time-frequency resource pool to a first-type transmission;

wherein the first monitoring belongs to first-type monitoring; for the first-type transmission and the second-type transmission, second-type monitoring is only used for determining whether the first-type transmission can be performed; and the first-type monitoring is long-term while the second-type monitoring is short-term.

18. The first node according to claim 17 , wherein

the first receiver determines according to the first monitoring that a second time-frequency resource pool is available for the second-type transmission; and

the first transmitter transmits second control information, the second control information being used for reserving the second time-frequency resource pool to the second-type transmission.

19. A second node for wireless communication, comprising:

a second receiver, to receive first control information, the first control information being used for reserving a first time-frequency resource pool to a first-type transmission;

wherein first monitoring is used for determining that the first time-frequency resource pool is not available for a second-type transmission; the first monitoring belongs to first-type monitoring; for the first-type transmission and the second-type transmission, second-type monitoring is only used for determining whether the first-type transmission can be performed; and the first-type monitoring is long-term while the second-type monitoring is short-term.

20. The second node according to claim 19 , wherein

the second receiver receives second control information, the second control information being used for reserving a second time-frequency resource pool to the second-type transmission;

wherein the first monitoring is used for determining that the second time-frequency resource pool is available for the second-type transmission.