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

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

receiving first information and a first target signal, the first information indicates a listening type;

determining whether a first time-frequency resource is used for wireless transmission based on the listening type indicated by the first information;

if it is determined that the first time-frequency resource is used for wireless transmission, a first radio signal is transmitted with a first power on the first time-frequency resource; otherwise, wireless transmission on the first time-frequency resource is dropped;

wherein if the listening type indicated by the first information is a first listening type, the first power cannot exceed a first maximum transmitting power, and reception quality of the first target signal is used for determining the first maximum transmitting power;

if the listening type indicated by the first information is a second listening type, the first power cannot exceed a second maximum transmitting power, the second maximum transmitting power is greater than the first maximum transmitting power; and

receiving one or more signalings;

wherein any signaling of the one or more signalings indicates a listening type and a power offset; for any signaling of the one or more signalings, if the listening type indicated by the any signaling is the same as the listening type indicated by the first information, the first power is related to the power offset indicated, otherwise, the first power is not related to the power offset indicated.

2. The method according to claim 1 , comprising:

receiving second information;

wherein the second information indicates a first offset, the first offset is used for determining the first maximum transmitting power; or, comprising:

receiving third information;

wherein the third information indicates a first coefficient, the first maximum transmitting power is linearly correlated to the reception quality of the first target signal, the first coefficient is a linear correlation coefficient between the first maximum transmitting power and the reception quality of the first target signal;

or, comprising:

receiving fourth information;

wherein the first target signal occupies a first resource element set, the fourth information is used for indicating the first resource element set.

3. The method according to claim 1 , wherein if the listening type indicated by the first information is the first listening type, it is determined that the first time-frequency resource is used for wireless transmission; or, if the listening type indicated by the first information is the second listening type, comprising:

performing a first channel monitoring to determine whether the first time-frequency resource is used for wireless transmission.

4. The method according to claim 1 , wherein the first information belongs to first DCI (downlink control information), the first DCI indicates the first time-frequency resource.

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

transmitting first information and a first target signal, the first information indicates a listening type;

monitoring a first radio signal on a first time-frequency resource;

wherein the listening type indicated by the first information is used for determining whether a first time-frequency resource is used for wireless transmission;

if it is determined that the first time-frequency resource is used for wireless transmission, the first radio signal is transmitted with a first power on the first time-frequency resource;

otherwise, wireless transmission on the first time-frequency resource is dropped, if the listening type indicated by the first information is a first listening type, the first power cannot exceed a first maximum transmitting power, and reception quality of the first target signal is used for determining the first maximum transmitting power;

if the listening type indicated by the first information is a second listening type, the first power cannot exceed a second maximum transmitting power, the second maximum transmitting power is greater than the first maximum transmitting power;

transmitting one or more signalings; and

wherein any signaling of the one or more signalings indicates a listening type and a power offset; for any signaling of the one or more signalings,

if the listening type indicated by the any signaling is the same as the listening type indicated by the first information, the first power is related to the power offset indicated, otherwise, the first power is not related to the power offset indicated.

6. The method according to claim 5 , comprising:

transmitting second information;

wherein the second information indicates a first offset, the first offset is used for determining the first maximum transmitting power; or, comprising:

transmitting third information;

wherein the third information indicates a first coefficient, the first maximum transmitting power is linearly correlated to the reception quality of the first target signal, the first coefficient is a linear correlation coefficient between the first maximum transmitting power and the reception quality of the first target signal;

or, comprising:

transmitting fourth information;

wherein the first target signal occupies a first resource element set, the fourth information is used for indicating the first resource element set.

7. The method according to claim 5 , wherein if the listening type indicated by the first information is the first listening type, it is determined that a first time-frequency resource is used for wireless transmission; or, if the listening type indicated by the first information is the second listening type, a first channel monitoring is performed by a transmitter of the first radio signal so as to determine whether the first time-frequency resource is used for wireless transmission.

8. The method according to claim 5 , wherein the first information belongs to first DCI, the first DCI indicates the first time-frequency resource.

9. A UE used for wireless communication, comprising:

a first receiver: receiving first information and a first target signal, the first information indicates a listening type;

a first determiner: determining whether a first time-frequency resource is used for wireless transmission based on the listening type indicated by the first information; and

a first transmitter: if it is determined that the first time-frequency resource is used for wireless transmission, a first radio signal is transmitted with a first power on the first time-frequency resource; otherwise, wireless transmission on the first time-frequency resource is dropped;

wherein if the listening type indicated by the first information is a first listening type, the first power cannot exceed a first maximum transmitting power, and reception quality of the first target signal is used for determining the first maximum transmitting power;

if the listening type indicated by the first information is a second listening type, the first power cannot exceed a second maximum transmitting power, the second maximum transmitting power is greater than the first maximum transmitting power;

wherein the first receiver receives one or more signalings; and

wherein any signaling of the one or more signalings indicates a listening type and a power offset; for any signaling of the one or more signalings,

if the listening type indicated by the any signaling is the same as the listening type indicated by the first information, the first power is related to the power offset indicated, otherwise, the first power is not related to the power offset indicated.

10. The UE according to claim 9 , wherein the first receiver receives second information; or, receives third information;

wherein the second information indicates a first offset, the first offset is used for determining the first maximum transmitting power; the third information indicates a first coefficient, the first maximum transmitting power is linearly correlated to the reception quality of the first target signal, the first coefficient is a linear correlation coefficient between the first maximum transmitting power and the reception quality of the first target signal.

11. The UE according to claim 9 , wherein if the listening type indicated by the first information is the first listening type, the first determiner determines that the first time-frequency resource is used for wireless transmission; or, if the listening type indicated by the first information is the second listening type, the first determiner performs a first channel monitoring so as to determine whether the first time-frequency resource is used for wireless transmission.

12. The UE according to claim 9 , wherein the first information belongs to first DCI, the first DCI indicates the first time-frequency resource.

13. The UE according to claim 9 , wherein the first receiver receives fourth information;

wherein the first target signal occupies a first resource element set, the fourth information is used for indicating the first resource element set.

14. A base station used for wireless communication, comprising:

a second transmitter: transmitting first information and a first target signal, the first information indicates a listening type; and

a second receiver: monitoring a first radio signal on a first time-frequency resource;

wherein the listening type indicated by the first information is used for determining whether a first time-frequency resource is used for wireless transmission;

if it is determined that the first time-frequency resource is used for wireless transmission, the first radio signal is transmitted with a first power on the first time-frequency resource; otherwise, wireless transmission on the first time-frequency resource is dropped,

if the listening type indicated by the first information is a first listening type, the first power cannot exceed a first maximum transmitting power, and reception quality of the first target signal is used for determining the first maximum transmitting power;

if the listening type indicated by the first information is a second listening type, the first power cannot exceed a second maximum transmitting power, the second maximum transmitting power is greater than the first maximum transmitting power;

wherein the second transmitter transmits one or more signalings; or, transmits fourth information;

wherein any signaling of the one or more signalings indicates a listening type and a power offset; for any signaling of the one or more signalings, if the listening type indicated by the any signaling is the same as the listening type indicated by the first information, the first power is related to the power offset indicated, otherwise, the first power is not related to the power offset indicated; the first target signal occupies a first resource element set, the fourth information is used for indicating first resource element set.

15. The base station according to claim 14 , wherein the second transmitter transmits second information; or, transmits third information;

wherein the second information indicates a first offset, the first offset is used for determining the first maximum transmitting power; the third information indicates a first coefficient, the first maximum transmitting power is linearly correlated to the reception quality of the first target signal, the first coefficient is a linear correlation coefficient between the first maximum transmitting power and the reception quality of the first target signal.

16. The base station according to claim 14 , wherein if the listening type indicated by the first information is the first listening type, a first time-frequency resource is used for wireless transmission; or, if the listening type indicated by the first information is the second listening type, a first channel monitoring is performed by a transmitter of the first radio signal so as to determine whether the first time-frequency resource is used for wireless transmission.

17. The base station according to claim 14 , wherein the first information belongs to first DCI, the first DCI indicates the first time-frequency resource.