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

1. A User Equipment (UE) used for wireless communications, comprising:

a first receiver, receiving first information, the first information being used to indicate M frequency-domain resource blocks in N frequency subbands; performing a channel access detection on the N frequency subbands, the channel access detection being used to determine that N 1 frequency subband(s) out of the N frequency subbands is(are) idle; and

a first transmitter, transmitting a first radio signal in M 1 frequency-domain resource block(s) in the N 1 frequency subband(s);

wherein any of the M frequency-domain resource blocks belongs to one of the N frequency subbands, any of the N frequency subbands comprises at least one of the M frequency-domain resource blocks; the M 1 frequency-domain resource block(s) is(are) M 1 frequency-domain resource block(s) belonging to the N 1 frequency subband(s) in the M frequency-domain resource blocks; any two of the N frequency subbands are orthogonal, and any two of the M frequency-domain resource blocks are orthogonal in frequency domain; a first power value is used to determine transmit power of the first radio signal; the first power value is related to the N 1 , or, the first power value is related to the M 1 ; N is a positive integer number greater than 1, M is a positive integer greater than 1, N 1 is a positive integer not greater than the N, and M 1 is a positive integer not greater than the M.

2. The UE according to claim 1 , wherein the first transmitter also transmits a second radio signal; wherein the second radio signal is used to carry a second power value; the first power value and the N 1 are used together to determine the second power value, or, the first power value and the M 1 are used together to determine the second power value.

3. The UE according to claim 1 , wherein the first power value is linearly correlated with a first component; the N 1 and the N are used to determine the first component; or, the M 1 and the M are used to determine the first component; or, the M 1 and a Subcarrier Spacing (SCS) of subcarriers occupied by the first radio signal are used to determine the first component;

or, the first receiver also receives a first reference-signal group; wherein a measurement performed on the first reference-signal group is used to determine a second component, and the first power value is linearly correlated with the second component;

or, the first receiver also receives R piece(s) of third information; wherein the R piece(s) of third information is(are respectively) used to indicate R first offset(s), a third component is linearly correlated with each of the R first offset(s), and the first power value is linearly correlated with the third component, R being a positive integer.

4. The UE according to claim 2 , wherein the second power value is linearly correlated with the first power value and a first parameter; the N 1 and the N are used to determine the first parameter, or, the M 1 and the M are used to determine the first parameter.

5. The UE according to claim 1 , wherein the first receiver also receives a first reference-signal group; wherein a measurement performed on the first reference-signal group is used to determine a second component, and the first power value is linearly correlated with the second component; the first receiver also receives second information; wherein the second information is used to indicate a linear coefficient of the first power value and the second component.

6. A base station for wireless communications, comprising:

a second transmitter, transmitting first information, the first information being used to indicate M frequency-domain resource blocks in N frequency subbands; and

a second receiver, receiving a first radio signal in M 1 frequency-domain resource block(s) in the N 1 frequency subband(s);

wherein any of the M frequency-domain resource blocks belongs to one of the N frequency subbands, any of the N frequency subbands comprises at least one of the M frequency-domain resource blocks; the M 1 frequency-domain resource block(s) is(are) M 1 frequency-domain resource block(s) belonging to the N 1 frequency subband(s) in the M frequency-domain resource blocks; any two of the N frequency subbands are orthogonal, and any two of the M frequency-domain resource blocks are orthogonal in frequency domain; a first power value is used to determine transmit power of the first radio signal; the first power value is related to the N 1 , or, the first power value is related to the M 1 ; N is a positive integer number greater than 1, M is a positive integer greater than 1, N 1 is a positive integer not greater than the N, and M 1 is a positive integer not greater than the M.

7. The base station according to claim 6 , wherein the second receiver also receives a second radio signal; wherein the second radio signal is used to carry a second power value; the first power value and the N 1 are used together to determine the second power value, or, the first power value and the M 1 are used together to determine the second power value.

8. The base station according to claim 6 , wherein the first power value is linearly correlated with a first component; the N 1 and the N are used to determine the first component; or, the M 1 and the M are used to determine the first component; or, the M 1 and an SCS of subcarriers occupied by the first radio signal are used to determine the first component;

or, the second transmitter also transmits a first reference-signal group; wherein a measurement performed on the first reference-signal group is used to determine a second component, and the first power value is linearly correlated with the second component,

or, the second transmitter also transmits R piece(s) of third information; wherein the R piece(s) of third information is(are respectively) used to indicate R first offset(s), a third component is linearly correlated with each of the R first offset(s), the first power value is linearly correlated with the third component, R being a positive integer.

9. The base station according to claim 7 , wherein the second power value is linearly correlated with the first power value and a first parameter; the N 1 and the N are used to determine the first parameter, or, the M 1 and the M are used to determine the first parameter.

10. The base station according to claim 6 , wherein the second transmitter also transmits a first reference-signal group; wherein a measurement performed on the first reference-signal group is used to determine a second component, and the first power value is linearly correlated with the second component; the second transmitter also transmits second information; wherein the second information is used to indicate a linear coefficient of the first power value and the second component.

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

receiving first information, the first information being used to indicate M frequency-domain resource blocks in N frequency subbands;

performing a channel access detection on the N frequency subbands, the channel access detection being used to determine that N 1 frequency subband(s) out of the N frequency subbands is(are) idle; and

transmitting a first radio signal in M 1 frequency-domain resource block(s) in the N 1 frequency subband(s);

wherein any of the M frequency-domain resource blocks belongs to one of the N frequency subbands, any of the N frequency subbands comprises at least one of the M frequency-domain resource blocks; the M 1 frequency-domain resource block(s) is(are) M 1 frequency-domain resource block(s) belonging to the N 1 frequency subband(s) in the M frequency-domain resource blocks; any two of the N frequency subbands are orthogonal, and any two of the M frequency-domain resource blocks are orthogonal in frequency domain; a first power value is used to determine transmit power of the first radio signal; the first power value is related to the N 1 , or, the first power value is related to the M 1 ; N is a positive integer number greater than 1, M is a positive integer greater than 1, N 1 is a positive integer not greater than the N, and M 1 is a positive integer not greater than the M.

12. The method according to claim 11 , comprising:

transmitting a second radio signal;

wherein the second radio signal is used to carry a second power value; the first power value and the N 1 are used together to determine the second power value, or, the first power value and the M 1 are used together to determine the second power value.

13. The method according to claim 11 , wherein the first power value is linearly correlated with a first component;

the N 1 and the N are used to determine the first component; or, the M 1 and the M are used to determine the first component; or, the M 1 and an SCS of subcarriers occupied by the first radio signal are used to determine the first component;

or, comprising: receiving a first reference-signal group; wherein a measurement performed on the first reference-signal group is used to determine a second component, and the first power value is linearly correlated with the second component;

or, comprising: receiving R piece(s) of third information; wherein the R piece(s) of third information is(are respectively) used to indicate R first offset(s), a third component is linearly correlated with each of the R first offset(s), and the first power value is linearly correlated with the third component, R being a positive integer.

14. The method according to claim 12 , wherein the second power value is linearly correlated with the first power value and a first parameter; the N 1 and the N are used to determine the first parameter, or, the M 1 and the M are used to determine the first parameter.

15. The method according to claim 11 , comprising:

receiving a first reference-signal group; and

receiving second information;

wherein a measurement performed on the first reference-signal group is used to determine a second component, and the first power value is linearly correlated with the second component; and the second information is used to indicate a linear coefficient of the first power value and the second component.

16. A method in a base station for wireless communications, comprising:

transmitting first information, the first information being used to indicate M frequency-domain resource blocks in N frequency subbands; and

receiving a first radio signal in M 1 frequency-domain resource block(s) in the N 1 frequency subband(s);

wherein any of the M frequency-domain resource blocks belongs to one of the N frequency subbands, any of the N frequency subbands comprises at least one of the M frequency-domain resource blocks; the M 1 frequency-domain resource block(s) is(are) M 1 frequency-domain resource block(s) belonging to the N 1 frequency subband(s) in the M frequency-domain resource blocks; any two of the N frequency subbands are orthogonal, and any two of the M frequency-domain resource blocks are orthogonal in frequency domain; a first power value is used to determine transmit power of the first radio signal; the first power value is related to the N 1 , or, the first power value is related to the M 1 ; N is a positive integer number greater than 1, M is a positive integer greater than 1, N 1 is a positive integer not greater than the N, and M 1 is a positive integer not greater than the M.

17. The method according to claim 16 , comprising:

receiving a second radio signal;

wherein the second radio signal is used to carry a second power value; the first power value and the N 1 are used together to determine the second power value, or, the first power value and the M 1 are used together to determine the second power value.

18. The method according to claim 16 , wherein the first power value is linearly correlated with a first component; the N 1 and the N are used to determine the first component; or, the M 1 and the M are used to determine the first component; or, the M 1 and an SCS of subcarriers occupied by the first radio signal are used to determine the first component;

or, comprising: transmitting a first reference-signal group; wherein a measurement performed on the first reference-signal group is used to determine a second component, and the first power value is linearly correlated with the second component,

or, comprising: transmitting R piece(s) of third information; wherein the R piece(s) of third information is (are respectively) used to indicate R first offset(s), a third component is linearly correlated with each of the R first offset(s), and the first power value is linearly correlated with the third component, R being a positive integer.

19. The method according to claim 17 , wherein the second power value is linearly correlated with the first power value and a first parameter; the N 1 and the N are used to determine the first parameter, or, the M 1 and the M are used to determine the first parameter.

20. The method according to claim 16 , comprising:

transmitting a first reference-signal group; and

transmitting second information;

wherein a measurement performed on the first reference-signal group is used to determine a second component, and the first power value is linearly correlated with the second component; the second information is used to indicate a linear coefficient of the first power value and the second component.