Method and device for utilization of radio resources in wireless communication in UE and base station

1. A method in a User Equipment (UE) for wireless communication, comprising:

receiving first information; and

listening in a first frequency subband, and transmitting a first radio signal in the first frequency subband starting from a first time-position;

wherein the first time-position is in a first time window; the first time-position is one of L candidate time-position(s) in the first time window; the first time-position is determined from the L candidate time-positions using the act of listening; determining the value of L using the first information and a time domain position of the first time window together; and L is a positive integer; the first information indicates M time windows, and the first time window is one of the M time windows, and the M is a positive integer greater than 1; the M time windows include M 3 time windows and M 4 time windows, the M 3 time windows and the M 4 time windows are subsets of the M time windows respectively; and the M 3 and the M 4 are positive integers less than the M respectively; when the first time window is one of the M 3 time windows, the value of L is equal to L 1 ; and when the first time windows is one of the M 4 time windows, the value of L is equal to L 2 ; and the L 1 and the L 2 are unequal positive integers; the first information indicates the M 3 time windows, the M 4 time windows, the L 1 and the L 2 .

2. The method according to claim 1 , wherein the first radio signal carries first uplink information; the first uplink information indicates the first time-position from the L candidate time-positions.

3. The method according to claim 2 , wherein time resources occupied by the first radio signal are the first time window, and the first uplink information does not occupy (a) multicarrier symbol(s) before a reference symbol in the first time window, and the reference symbol is a multicarrier symbol where the latest candidate time-position among the L candidate time-position(s) is located.

4. The method according to claim 1 , comprising:

selecting the first time window from the M time windows autonomously.

5. The method according to claim 1 , comprising:

receiving a first signaling, wherein the first signaling indicates frequency resources occupied by the first radio signal;

or, the listening comprising:

performing Q times of energy detections in Q time subpools on the first frequency subband respectively to obtain Q detection values, wherein the Q time subpools have an end time not later than the first time-position, Q 1 detection value(s) among the Q detection values is(are) each less than a first threshold, the Q is a positive integer, and the Q 1 is a positive integer not greater than the Q;

or, comprising:

receiving a second signaling, wherein the second signaling indicates whether the first radio signal is correctly received.

6. A method in a base station for wireless communication, comprising:

transmitting first information; and

monitoring a first radio signal in a first frequency subband, and receiving the first radio signal in the first frequency subband starting from a first time-position;

wherein the first time-position is in a first time window; the first time-position is one of L candidate time-position(s) in the first time window, the first time-position is determined from the L candidate time-positions using the act of listening; determining the value of L using the first information and a time domain position of the first time window together; and L is a positive integer; the first information indicates M time windows, and the first time window is one of the M time windows, and the M is a positive integer greater than 1; the M time windows include M 3 time windows and M 4 time windows, the M 3 time windows and the M 4 time windows are subsets of the M time windows respectively; and the M 3 and the M 4 are positive integers less than the M respectively; when the first time window is one of the M 3 time windows, the value of L is equal to L 1 ; and when the first time windows is one of the M 4 time windows, the value of L is equal to L 2 ; and the L 1 and the L 2 are unequal positive integers; the first information indicates the M 3 time windows, the M 4 time windows, the L 1 and the L 2 .

7. The method according to claim 6 , wherein the first radio signal carries first uplink information; the first uplink information indicates the first time-position from the L candidate time-positions.

8. The method according to claim 7 , wherein time resources occupied by the first radio signal are the first time window, and the first uplink information does not occupy (a) multicarrier symbol(s) before a reference symbol in the first time window, and the reference symbol is a multicarrier symbol where the latest candidate time-position among the L candidate time-position(s) is located.

9. The method according to claim 6 , wherein the first time window is determined from the M time windows using the act of monitoring.

10. The method according to claim 6 , comprising:

transmitting a first signaling, wherein the first signaling indicates frequency resources occupied by the first radio signal;

or, comprising:

transmitting a second signaling, wherein the second signaling indicates whether the first radio signal is correctly received.

11. The base station according to claim 6 , wherein the first time window is determined from the M time windows using the act of monitoring.

12. A UE for wireless communication, comprising:

a first receiver, to receive first information; and

a first processor, to listen in a first frequency subband, and to transmit a first radio signal in the first frequency subband starting from a first time-position;

wherein the first time-position is in a first time window; the first time-position is one of L candidate time-position(s) in the first time window, the first time-position is determined from the L candidate time-positions using the act of listening; determining the value of L using the first information and a time domain position of the first time window together; and L is a positive integer; the first information indicates M time windows, and the first time window is one of the M time windows, and the M is a positive integer greater than 1; the M time windows include M 3 time windows and M 4 time windows, the M 3 time windows and the M 4 time windows are subsets of the M time windows respectively; and the M 3 and the M 4 are positive integers less than the M respectively; when the first time window is one of the M 3 time windows, the value of L is equal to L 1 ; and when the first time windows is one of the M 4 time windows, the value of L is equal to L 2 ; and the L 1 and the L 2 are unequal positive integers; the first information indicates the M 3 time windows, the M 4 time windows, the L 1 and the L 2 .

13. The UE according to claim 12 , wherein the first radio signal carries first uplink information; the first uplink information indicates the first time-position from the L candidate time-positions.

14. The UE according to claim 13 , wherein time resources occupied by the first radio signal are the first time window, and the first uplink information does not occupy (a) multicarrier symbol(s) before a reference symbol in the first time window, and the reference symbol is a multicarrier symbol where the latest candidate time-position among the L candidate time-position(s) is located.

15. The UE according to claim 12 , comprising:

selecting the first time window from the M time windows autonomously.

16. The UE according to claim 12 , wherein the first receiver receives a first signaling, wherein the first signaling indicates frequency resources occupied by the first radio signal;

or, the listening comprising: performing Q times of energy detections in Q time subpools on the first frequency subband respectively to obtain Q detection values, wherein the Q time subpools have an end time not later than the first time-position, Q 1 detection value(s) among the Q detection values is(are) each less than a first threshold, the Q is a positive integer, and the Q 1 is a positive integer not greater than the Q;

or, the first receiver receives a second signaling, wherein the second signaling indicates whether the first radio signal is correctly received.

17. A base station for wireless communication, comprising:

a first transmitter, to transmit first information; and

a second processor, to monitor a first radio signal in a first frequency subband, and to receive the first radio signal in the first frequency subband starting from a first time-position;

wherein the first time-position is in a first time window; the first time-position is one of L candidate time-position(s) in the first time window, the first time-position is determined from the L candidate time-positions using the act of listening; determining the value of L using the first information and a time domain position of the first time window together; and L is a positive integer; the first information indicates M time windows, and the first time window is one of the M time windows, and the M is a positive integer greater than 1; the M time windows include M 3 time windows and M 4 time windows, the M 3 time windows and the M 4 time windows are subsets of the M time windows respectively; and the M 3 and the M 4 are positive integers less than the M respectively; when the first time window is one of the M 3 time windows, the value of L is equal to L 1 ; and when the first time windows is one of the M 4 time windows, the value of L is equal to L 2 ; and the L 1 and the L 2 are unequal positive integers; the first information indicates the M 3 time windows, the M 4 time windows, the L 1 and the L 2 .

18. The base station according to claim 17 , wherein the first radio signal carries first uplink information; the first uplink information indicates the first time-position from the L candidate time-positions.

19. The base station according to claim 18 , wherein time resources occupied by the first radio signal are the first time window, and the first uplink information does not occupy (a) multicarrier symbol(s) before a reference symbol in the first time window, and the reference symbol is a multicarrier symbol where the latest candidate time-position among the L candidate time-position(s) is located.

20. The base station according to claim 17 , wherein the first transmitter transmits a first signaling, wherein the first signaling indicates frequency resources occupied by the first radio signal;

or, the first transmitter transmits a second signaling, wherein the second signaling indicates whether the first radio signal is correctly received.