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

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

performing K channel listenings respectively in K frequency sub-bands;

determining that a first radio signal can only be transmitted in K1 frequency sub-band(s) out of the K frequency sub-bands; and

transmitting the first radio signal in the K1 frequency sub-band(s);

wherein:

the K channel listenings are used for determining the K1 frequency sub-band(s) out of the K frequency sub-bands;

the first radio signal comprises K1 first sub-signal(s), and the K1 first sub-signal(s) is(are) respectively transmitted in the K1 frequency sub-band(s);

each of the K1 first sub-signal(s) carries a first bit block, the first bit block comprises a positive integer number of bits, and the number of bits comprised in the first bit block is related to the K1;

the K is a positive integer, and the K1 is a positive integer not greater than the K; and

the first radio signal comprises K1 second sub-signal(s), the K1 second sub-signal(s) is(are) respectively transmitted in the K1 frequency sub-band(s), each of the K1 second sub-signal(s) carries a second bit block, and the second bit block comprises a positive integer number of bits.

2. The method according to claim 1 , wherein:

a number of REs occupied by any of the K1 first sub-signal(s) in time-frequency domain is unrelated to the K1; or

the number of bits comprised in the first bit block is a candidate value of M candidate values, the M is a positive integer greater than 1, and the M candidate values are positive integers respectively.

3. The method according to claim 1 , wherein the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block;

or, the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block, and a position of the first sub-block in the first bit block is determined by default;

or, comprising:

performing a first channel coding,

wherein the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block, the first channel coding is based on a polar code, an input to the first channel coding comprises the first bit block, an output after the first channel coding is used for generating the K1 first sub-signal(s), and reliability of a sub-channel mapped by a bit in the first sub-block is greater than reliability of a sub-channel mapped by a bit in the first bit block other than the first sub-block.

4. The method according to claim 1 , further comprising:

receiving a first signaling,

wherein the first signaling indicates a frequency domain resource occupied by the first radio signal.

5. The method according to claim 1 , comprising:

receiving first information,

wherein the first information is used for determining Q time windows, a time domain resource occupied by the first radio signal belongs to a first time window of the Q time windows, and the Q is a positive integer greater than 1;

or, comprising:

receiving first information, and

spontaneously choosing a first time window from Q time windows,

wherein the first information is used for determining the Q time windows, a time domain resource occupied by the first radio signal belongs to the first time window of the Q time windows, and the Q is a positive integer greater than 1.

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

monitoring a first radio signal respectively in K frequency sub-bands;

determining that the first radio signal only needs to be received in K1 frequency sub-band(s) out of the K frequency sub-bands; and

receiving the first radio signal in the K1 frequency sub-band(s);

wherein:

the monitoring action is used for determining the K1 frequency sub-band(s) out of the K frequency sub-bands;

the first radio signal comprises K1 first sub-signal(s), and the K1 first sub-signal(s) is(are) respectively transmitted in the K1 frequency sub-band(s);

each of the K1 first sub-signal(s) carries a first bit block, the first bit block comprises a positive integer number of bits, and the number of bits comprised in the first bit block is related to the K1; and

the K is a positive integer, and the K1 is a positive integer not greater than the K.

7. The method according to claim 6 , wherein:

a number of REs occupied by any of the K1 first sub-signal(s) in time-frequency domain is unrelated to the K1; or

the number of bits comprised in the first bit block is a candidate value of M candidate values, the M is a positive integer greater than 1, and the M candidate values are positive integers respectively.

8. The method according to claim 6 , wherein the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block;

or, the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block, and a position of the first sub-block in the first bit block is determined by default;

or, comprising:

performing a first channel decoding,

wherein the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block, a channel coding corresponding to the first channel decoding is a first channel coding, the first channel coding is based on a polar code, an input to the first channel coding comprises the first bit block, an output after the first channel coding is used for generating the K1 first sub-signal(s), an output after the first channel decoding is used for recovering the first bit block, and reliability of a sub-channel mapped by a bit in the first sub-block is greater than reliability of a sub-channel mapped by a bit in the first bit block other than the first sub-block.

9. The method according to claim 6 , wherein the first radio signal comprises K1 second sub-signal(s), the K1 second sub-signal(s) is(are) respectively transmitted in the K1 frequency sub-band(s), each of the K1 second sub-signal(s) carries a second bit block, and the second bit block comprises a positive integer number of bits;

or, comprising:

transmitting a first signaling,

wherein the first signaling indicates a frequency domain resource occupied by the first radio signal.

10. The method according to claim 6 , comprising:

transmitting first information,

wherein the first information is used for determining Q time windows, a time domain resource occupied by the first radio signal belongs to a first time window of the Q time windows, and the Q is a positive integer greater than 1;

or, comprising:

transmitting first information,

wherein the first information is used for determining Q time windows, a time domain resource occupied by the first radio signal belongs to a first time window of the Q time windows, the Q is a positive integer greater than 1, and the monitoring action is used for determining the first time window out of the Q time windows.

11. A UE used for wireless communication, comprising:

a first receiver, performing K channel listenings respectively in K frequency sub-bands;

a first processor, determining that a first radio signal can only be transmitted in K1 frequency sub-band(s) out of the K frequency sub-bands; and

a first transmitter, transmitting the first radio signal in the K1 frequency sub-band(s);

wherein:

the K channel listenings are used for determining the K1 frequency sub-band(s) out of the K frequency sub-bands;

the first radio signal comprises K1 first sub-signal(s), and the K1 first sub-signal(s) is(are) respectively transmitted in the K1 frequency sub-band(s);

each of the K1 first sub-signal(s) carries a first bit block, the first bit block comprises a positive integer number of bits, and the number of bits comprised in the first bit block is related to the K1;

the K is a positive integer, and the K1 is a positive integer not greater than the K; and

the first radio signal comprises K1 second sub-signal(s), the K1 second sub-signal(s) is(are) respectively transmitted in the K1 frequency sub-band(s), each of the K1 second sub-signal(s) carries a second bit block, and the second bit block comprises a positive integer number of bits.

12. The UE according to claim 11 , wherein:

a number of REs occupied by any of the K1 first sub-signal(s) in time-frequency domain is unrelated to the K1; or

the number of bits comprised in the first bit block is a candidate value of M candidate values, the M is a positive integer greater than 1, and the M candidate values are positive integers respectively.

13. The UE according to claim 11 , wherein:

the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), and the first sub-block indicates the number of bits comprised in the first bit block; or

the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block, and a position of the first sub-block in the first bit block is determined by default; or

the first transmitter performs a first channel coding, wherein the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block, the first channel coding is based on a polar code, an input to the first channel coding comprises the first bit block, an output after the first channel coding is used for generating the K1 first sub-signal(s), and reliability of a sub-channel mapped by a bit in the first sub-block is greater than reliability of a sub-channel mapped by a bit in the first bit block other than the first sub-block.

14. The UE according to claim 11 , wherein the first receiver receives a first signaling, wherein the first signaling indicates a frequency domain resource occupied by the first radio signal.

15. The UE according to claim 11 , wherein:

the first receiver receives first information, wherein the first information is used for determining Q time windows, a time domain resource occupied by the first radio signal belongs to a first time window of the Q time windows, and the Q is a positive integer greater than 1; or

the first receiver receives first information, the first processor chooses a first time window from Q time windows, wherein the first information is used for determining the Q time windows, a time domain resource occupied by the first radio signal belongs to the first time window of the Q time windows, and the Q is a positive integer greater than 1.

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

a second receiver, monitoring a first radio signal respectively in K frequency sub-bands;

a second processor, determining that the first radio signal only needs to be received in K1 frequency sub-band(s) out of the K frequency sub-bands; and

a third receiver, receiving the first radio signal in the K1 frequency sub-band(s);

wherein:

the monitoring action is used for determining the K1 frequency sub-band(s) out of the K frequency sub-bands;

the first radio signal comprises K1 first sub-signal(s), and the K1 first sub-signal(s) is(are) respectively transmitted in the K1 frequency sub-band(s);

each of the K1 first sub-signal(s) carries a first bit block, the first bit block comprises a positive integer number of bits, and the number of bits comprised in the first bit block is related to the K1; and

the K is a positive integer, and the K1 is a positive integer not greater than the K.

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

a number of REs occupied by any of the K1 first sub-signal(s) in time-frequency domain is unrelated to the K1; or

the number of bits comprised in the first bit block is a candidate value of M candidate values, the M is a positive integer greater than 1, and the M candidate values are positive integers respectively.

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

the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), and the first sub-block indicates the number of bits comprised in the first bit block; or

the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block, and a position of the first sub-block in the first bit block is determined by default; or

the third receiver performs a first channel decoding, wherein the first bit block comprises a first sub-block, the first sub-block comprises a positive integer number of bit(s), the first sub-block indicates the number of bits comprised in the first bit block, a channel coding corresponding to the first channel decoding is a first channel coding, the first channel coding is based on a polar code, an input to the first channel coding comprises the first bit block, an output after the first channel coding is used for generating the K1 first sub-signal(s), an output after the first channel decoding is used for recovering the first bit block, and reliability of a sub-channel mapped by a bit in the first sub-block is greater than reliability of a sub-channel mapped by a bit in the first bit block other than the first sub-block.

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

the first radio signal comprises K1 second sub-signal(s), the K1 second sub-signal(s) is(are) respectively transmitted in the K1 frequency sub-band(s), each of the K1 second sub-signal(s) carries a second bit block, and the second bit block comprises a positive integer number of bits; or

the second processor transmits a first signaling, wherein the first signaling indicates a frequency domain resource occupied by the first radio signal.

20. The base station according to claim 16 , wherein:

the second processor transmits first information, wherein the first information is used for determining Q time windows, a time domain resource occupied by the first radio signal belongs to a first time window of the Q time windows, and the Q is a positive integer greater than 1; or

the second processor transmits first information, wherein the first information is used for determining Q time windows, a time domain resource occupied by the first radio signal belongs to a first time window of the Q time windows, the Q is a positive integer greater than 1, and the monitoring action is used for determining the first time window out of the Q time windows.