Method and device in UE and base station for wireless communication

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

generating a first bit block;

performing channel coding; and

transmitting a first radio signal;

wherein the first bit block is used for an input of the channel coding, and an output of the channel coding is used for generating the first radio signal; the first bit block comprises all bits in a second bit block and all bits in a third bit block; a Cyclic Redundancy Check (CRC) bit block of a fourth bit block is used for generating the third bit block; the fourth bit block comprises all bits in the second bit block and all bits in a fifth bit block, the bits in the fifth bit block are of fixed values, and the fifth bit block is composed of K bits, the K being a positive integer; the input of the channel coding does not include the fifth bit block; when a number of bits in the second bit block is equal to Q1, the K is equal to K1; when a number of bits in the second bit block is equal to Q2, the K is equal to K2; the Q1 is less than the Q2, the K1 is less than or equal to the K2; the Q1, the Q2, the K1 and the K2 are positive integers respectively.

2. The method according to claim 1 , wherein all bits in the fifth bit block are 1.

3. The method according to claim 1 , wherein, in the fourth bit block, any one bit in the fifth bit block is positioned before any one bit in the second bit block.

4. The method according to claim 1 , wherein for a given number of bits in the second bit block, all bits in the fifth bit block have fixed positions in the fourth bit block;

or, at least two bits in the fifth bit block have inconsecutive positions in the fourth bit block;

or, at least two bits in the third bit block have inconsecutive positions in the first bit block; for any one given bit in the third bit block, all bits in the second bit block associated to the given bit are positioned before the given bit in the first bit block;

or, the Cyclic Redundancy Check (CRC) bit block of the fourth bit block is a CRC bit block of the fourth bit block;

or, the channel coding is based on polar coding.

5. The method according to claim 1 , wherein the first node is a base station, the second bit block comprises downlink control information; or, the first node is a User Equipment (UE), the second bit block comprises uplink control information.

6. A method in a second node for wireless communication, comprising:

receiving a first radio signal;

performing channel decoding; and

recovering a first bit block;

wherein the first bit block is used for an input of a channel coding corresponding to the channel decoding, and an output of the channel coding is used for generating the first radio signal; the first bit block comprises all bits in a second bit block and all bits in a third bit block; a Cyclic Redundancy Check (CRC) bit block of a fourth bit block is used for generating the third bit block; the fourth bit block comprises all bits in the second bit block and all bits in a fifth bit block, the bits in the fifth bit block are of fixed values, and the fifth bit block is composed of K bits, the K being a positive integer; the input of the channel coding does not include the fifth bit block; when a number of bits in the second bit block is equal to Q1, the K is equal to K1; when a number of bits in the second bit block is equal to Q2, the K is equal to K2; the Q1 is less than the Q2, the K1 is less than or equal to the K2; the Q1, the Q2, the K1 and the K2 are positive integers respectively.

7. The method according to claim 6 , wherein all bits in the fifth bit block are 1.

8. The method according to claim 6 , wherein, in the fourth bit block, any one bit in the fifth bit block is positioned before any one bit in the second bit block.

9. The method according to claim 6 , wherein for a given number of bits in the second bit block, all bits in the fifth bit block have fixed positions in the fourth bit block;

or, at least two bits in the fifth bit block have inconsecutive positions in the fourth bit block;

or, at least two bits in the third bit block have inconsecutive positions in the first bit block; for any one given bit in the third bit block, all bits in the second bit block associated to the given bit are positioned before the given bit in the first bit block;

or, the Cyclic Redundancy Check (CRC) bit block of the fourth bit block is a CRC bit block of the fourth bit block;

or, the channel coding is based on polar coding.

10. The method according to claim 6 , wherein the second node is a UE, the second bit block comprises downlink control information; or, the second node is a base station, the second bit block comprises uplink control information.

11. An equipment in a first node for wireless communication, comprising:

a first processor, to generate a first bit block and perform channel coding; and

a first transmitter, to transmit a first radio signal;

wherein the first bit block is used for an input of the channel coding, and an output of the channel coding is used for generating the first radio signal; the first bit block comprises all bits in a second bit block and all bits in a third bit block; a Cyclic Redundancy Check (CRC) bit block of a fourth bit block is used for generating the third bit block; the fourth bit block comprises all bits in the second bit block and all bits in a fifth bit block, the bits in the fifth bit block are of fixed values, and the fifth bit block is composed of K bits, the K being a positive integer; the input of the channel coding does not include the fifth bit block; when a number of bits in the second bit block is equal to Q1, the K is equal to K1; when a number of bits in the second bit block is equal to Q2, the K is equal to K2; the Q1 is less than the Q2, the K1 is less than or equal to the K2; the Q1, the Q2, the K1 and the K2 are positive integers respectively.

12. The equipment in the first node according to claim 11 , wherein all bits in the fifth bit block are 1.

13. The equipment in the first node according to claim 11 , wherein, in the fourth bit block, any one bit in the fifth bit block is positioned before any one bit in the second bit block.

14. The equipment in the first node according to claim 11 , wherein for a given number of bits in the second bit block, all bits in the fifth bit block have fixed positions in the fourth bit block;

or, at least two bits in the fifth bit block have inconsecutive positions in the fourth bit block;

or, at least two bits in the third bit block have inconsecutive positions in the first bit block; for any one given bit in the third bit block, all bits in the second bit block associated to the given bit are positioned before the given bit in the first bit block;

or, the Cyclic Redundancy Check (CRC) bit block of the fourth bit block is a CRC bit block of the fourth bit block;

or, the channel coding is based on polar coding.

15. The equipment in the first node according to claim 11 , wherein the first node is a base station, the second bit block comprises downlink control information; or, the first node is a User Equipment (UE), the second bit block comprises uplink control information.

16. An equipment in a second node for wireless communication, comprising:

a first receiver, to receive a first radio signal; and

a second processor, to perform channel decoding and recover a first bit block;

wherein the first bit block is used for an input of a channel coding corresponding to the channel decoding, and an output of the channel coding is used for generating the first radio signal; the first bit block comprises all bits in a second bit block and all bits in a third bit block; a CRC bit block of a fourth bit block is used for generating the third bit block; the fourth bit block comprises all bits in the second bit block and all bits in a fifth bit block, the bits in the fifth bit block are of fixed values, and the fifth bit block is composed of K bits, the K being a positive integer; the input of the channel coding does not include the fifth bit block; when a number of bits in the second bit block is equal to Q1, the K is equal to K1; when a number of bits in the second bit block is equal to Q2, the K is equal to K2; the Q1 is less than the Q2, the K1 is less than or equal to the K2; the Q1, the Q2, the K1 and the K2 are positive integers respectively.

17. The equipment in the second node according to claim 16 , wherein all bits in the fifth bit block are 1.

18. The equipment in the second node according to claim 16 , wherein, in the fourth bit block, any one bit in the fifth bit block is positioned before any one bit in the second bit block.

19. The equipment in the second node according to claim 16 , wherein, for a given number of bits in the second bit block, all bits in the fifth bit block have fixed positions in the fourth bit block;

or, at least two bits in the fifth bit block have inconsecutive positions in the fourth bit block;

or, at least two bits in the third bit block have inconsecutive positions in the first bit block; for any one given bit in the third bit block, all bits in the second bit block associated to the given bit are positioned before the given bit in the first bit block;

or, the Cyclic Redundancy Check (CRC) bit block of the fourth bit block is a CRC bit block of the fourth bit block;

or, the channel coding is based on polar coding.

20. The equipment in the second node according to claim 16 , wherein the second node is a UE, the second bit block comprises downlink control information; or, the second node is a base station, the second bit block comprises uplink control information.