Method and device in UE and base station used for wireless communication

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

receiving first information, the first information being used for determining that Q1 subband(s) is(are) reserved in a first time-domain resource;

listening in a first time-domain sub-resource to determine Q2 subband(s) from Q3 subband(s); and

transmitting second information, the second information being used for indicating the Q2 subband(s), and any one of the Q3 subband(s) being orthogonal to any one of the Q1 subband(s) in frequency domain;

wherein a first carrier comprises both the Q1 subband(s) and the Q3 subband(s); the Q1, the Q2 and the Q3 are positive integers respectively; the first time-domain sub-resource belongs to the first time-domain resource; and the Q3 is not less than the Q2; the second information is used by a receiver of the second information to determine a second time-domain sub-resource to perform listening in the first carrier; or, the second information is used by a receiver of the second information to determine in the first carrier a possible subband to perform transmission.

2. The method according to claim 1 , comprising:

receiving third information, the third information being used for indicating Q4 subband(s);

wherein the Q3 subband(s) is(are) composed of all subbands among the Q4 subbands that do not belong to the Q1 subband(s), and the Q4 is a positive integer.

3. The method according to claim 1 , comprising:

receiving fourth information, the fourth information being used for determining a first threshold;

wherein the Q2 subband(s) is(are) composed of all subbands among the Q3 subbands on which a detected energy is lower than the first threshold.

4. The method according to claim 1 , comprising:

receiving a first radio signal in Q5 subband(s) in the first carrier;

wherein the second information is used by a transmitter of the first radio signal to determine the Q5 subband(s); the transmitter of the first radio signal is one terminal, or the transmitter of the first radio signal is a transmitter of the first information; and the Q5 is a positive integer.

5. The method according to claim 1 , wherein the Q3 is greater than 1; the Q3 subbands are listened in Q3 slots respectively so as to determine the Q2 subband(s); the Q3 slots all belong to the first time-domain sub-resource; and at least two of the Q3 slots are not completely overlapping.

6. A UE for wireless communication, comprising:

a first receiver, to receive first information, the first information being used for determining that Q1 subband(s) is(are) reserved in a first time-domain resource;

a first listener, to listen in a first time-domain sub-resource to determine Q2 subband(s) from Q3 subband(s); and

a first transmitter, to transmit second information, the second information being used for indicating the Q2 subband(s), and any one of the Q3 subband(s) being orthogonal to any one of the Q1 subband(s) infrequency domain;

wherein a first carrier comprises both the Q1 subband(s) and the Q3 subband(s); the Q1, the Q2 and the Q3 are positive integers respectively; the first time-domain sub-resource belongs to the first time-domain resource; and the Q3 is not less than the Q2; the second information is used by a receiver of the second information to determine a second time-domain sub-resource to perform listening in the first carrier; or, the second information is used by a receiver of the second information to determine in the first carrier a possible subband to perform transmission.

7. The UE according to claim 6 , comprising:

a second receiver, to receive third information, the third information being used for indicating Q4 subband(s);

wherein the Q3 subband(s) is(are) composed of all subbands among the Q4 subbands that do not belong to the Q1 subband(s), and the Q4 is a positive integer.

8. The UE according to claim 6 , comprising:

a second receiver, to receive fourth information, the fourth information being used for determining a first threshold;

wherein the Q2 subband(s) is(are) composed of all subbands among the Q3 subbands on which a detected energy is lower than the first threshold.

9. The UE according to claim 7 , comprising:

a second receiver, to receive fourth information, the fourth information being used for determining a first threshold;

wherein the Q2 subband(s) is(are) composed of all subbands among the Q3 subbands on which a detected energy is lower than the first threshold.

10. The UE according to claim 6 , comprising:

a second receiver, to receive a first radio signal in Q5 subband(s) in the first carrier;

wherein the second information is used by a transmitter of the first radio signal to determine the Q5 subband(s); the transmitter of the first radio signal is one terminal, or the transmitter of the first radio signal is a transmitter of the first information; and the Q5 is a positive integer.

11. The UE according to claim 7 , comprising:

a second receiver, to receive a first radio signal in Q5 subband(s) in the first carrier;

wherein the second information is used by a transmitter of the first radio signal to determine the Q5 subband(s); the transmitter of the first radio signal is one terminal, or the transmitter of the first radio signal is a transmitter of the first information; and the Q5 is a positive integer.

12. The UE according to claim 6 , wherein the Q3 is greater than 1; the Q3 subbands are listened in Q3 slots respectively so as to determine the Q2 subband(s); the Q3 slots all belong to the first time-domain sub-resource; and at least two of the Q3 slots are not completely overlapping.

13. The UE according to claim 7 , wherein the Q3 is greater than 1; the Q3 subbands are listened in Q3 slots respectively so as to determine the Q2 subband(s); the Q3 slots all belong to the first time-domain sub-resource; and at least two of the Q3 slots are not completely overlapping.

14. A UE for wireless communication, comprising:

a third receiver, to receive second information, the second information being used for indicating Q2 subband(s), and the Q2 subband(s) all belonging to a first carrier; and

a third transmitter, to transmit a first radio signal in Q5 subband(s) in the first carrier;

wherein the second information is used for determining the Q5 subband(s); a transmitter of the second information is one terminal; the Q2 and the Q5 are positive integers respectively; wherein the second information is used for determining an end time of a first time-domain resource; Q1 subband(s) in the first time-domain resource is(are) indicated, by first information, to be reserved, and the first information is used by a transmitter of the second information to determine the Q2 subband(s) from Q3 subband(s); any one of the Q3 subband(s) is orthogonal to any one of the Q1 subband(s) in frequency domain; the first carrier comprises both the Q1 subband(s) and the Q3 subband(s); the Q1 and the Q3 are positive integers respectively; and the Q3 is not less than the Q2.

15. The UE according to claim 14 , comprising:

a second listener, to listen in the Q2 subband(s) to determine the Q5 subband(s);

wherein on each of the Q5 subband(s) a detected energy is not greater than a second threshold.

16. Abase station for wireless communication, comprising:

a second transmitter, to transmit first information, the first information being used for determining that Q1 subband(s) is(are) reserved in a first time-domain resource; and

a fourth receiver, to receive second information, the second information being used for indicating Q2 subband(s);

a third listener, to listen in a second time-domain sub-resource in the first carrier to determine Q5 subband(s); and

a fourth transmitter, to transmit a first radio signal in the Q5 subband(s);

wherein the first information is used for determining the Q2 subband(s) from Q3 subband(s), any one of the Q3 subband(s) is orthogonal to any one of the Q1 subband(s) in frequency domain; the first carrier comprises both the Q1 subband(s) and the Q3 subband(s); the Q1, the Q2 and the Q3 are positive integers respectively; a first time-domain sub-resource belongs to the first time-domain resource; and the Q3 is not less than the Q2; the second information is used for determining the second time-domain sub-resource.

17. The base station according to claim 16 , comprising:

a fourth transmitter, to transmit third information, the third information being used for indicating Q4 subband(s), wherein the Q3 subband(s) is(are) composed of all subbands among the Q4 subbands that do not belong to the Q1 subband(s), and the Q4 is a positive integer.

18. The base station according to claim 16 , comprising:

a fourth transmitter, to transmit fourth information, the fourth information being used for determining a first threshold, wherein the Q2 subband(s) is(are) composed of all subbands among the Q3 subbands on which a detected energy is lower than the first threshold.

19. The base station according to claim 16 , comprising:

the Q3 is greater than 1; the Q3 subbands are listened in Q3 slots respectively so as to determine the Q2 subband(s); the Q3 slots all belong to the first time-domain sub-resource; and at least two of the Q3 slots are not completely overlapping.

20. The base station according to claim 16 , comprising: the base station collects second-type information reported by multiple UEs, the second information is second-type information reported by one of the multiple UEs; if the second-type information of more than a certain percentage indicates that a number of idle subbands in the first carrier is greater than a second percentage, the base station determines to perform LBT in the first carrier, otherwise, the base station determines not to perform LBT in the first carrier.