Method and device in user equipment and base station for channel coding in transmission for wireless communication

A method for use in a user equipment for wireless communication, comprising:

• receiving a first radio signal;
• performing first channel decoding, wherein the first radio signal is used for an input of the first channel decoding, the first channel decoding corresponds to a first channel coding, the first channel coding is based on a polar code, and a first bit block is used for an input of the first channel coding;
• and
• recovering a first information block, wherein the first information block consists of bits in M sub-information blocks and Q padding bits, the first information block is used to generate a first check bit block, and the first information block and the first check bit block are interleaved to generate the first bit block, where the M is a positive integer greater than one, and the Q is a non-negative positive integer;
• wherein a first bit and a second bit are two bits in the first information block;
• a first sub-information block is one of the M sub-information blocks;
• both the first bit and the second bit belong to the first sub-information block, there is at least one bit that does not belong to the first sub-information block locating between the positions of the first bit and the second bit in the first information block, or the first bit and the second bit belong to the Q padding bits, and there is at least one bit belonging to the M sub-information blocks locating between the positions of the first bit and the second bit in the first information block;
• and
• the M sub-information blocks are sequentially cascaded with the Q padding bits to generate a second information block, and the second information block is interleaved to generate the first information block.

A base station equipment for wireless communication, comprising:

• a first processor configured to generate a first information block, wherein the first information block consists of bits in M sub-information blocks and Q padding bits, where the M is a positive integer greater than one, and the Q is a non-negative positive integer;
• a first channel encoder configured to perform first channel coding, wherein the first channel coding is based on a polar code, a first bit block is used for an input of the first channel coding, the first information block and the first check bit block are interleaved to generate the first bit block, and the first information block is used to generate the first check bit block;
• and
• a first transmitter module configured to transmit a first radio signal, wherein the output of the first channel coding is used to generate the first radio signal;
• wherein a first bit and a second bit are two bits in the first information block;
• a first sub-information block is one of the M sub-information blocks;
• both the first bit and the second bit belong to the first sub-information block, there is at least one bit that does not belong to the first sub-information block locating between the positions of the first bit and the second bit in the first information block, or the first bit and the second bit belong to the Q padding bits, and there is at least one bit belonging to the M sub-information blocks locating between the positions of the first bit and the second bit in the first information block;
• and
• wherein the M sub-information blocks are sequentially cascaded with the Q padding bits to generate a second information block, and the second information block is interleaved to generate the first information block.

A user equipment for wireless communication, comprising:

• a first receiver module configured to receive a first radio signal;
• a first channel decoder configured to perform first channel decoding, wherein the first radio signal is used for an input of the first channel decoding, the first channel decoding corresponds to the first channel coding, the first channel coding is based on a polar code, and a first bit block is used for an input of the first channel coding;
• and
• a second processor configured to recover a first information block, wherein the first information block consists of bits in M sub-information blocks and Q padding bits, the first information block is used to generate a first check bit block, and the first information block and the first check bit block are interleaved to generate the first bit block, where the M is a positive integer greater than one, and the Q is a non-negative positive integer;
• wherein a first bit and a second bit are two bits in the first information block;
• a first sub-information block is one of the M sub-information blocks;
• both the first bit and the second bit belong to the first sub-information block, there is at least one bit that does not belong to the first sub-information block locating between the positions of the first bit and the second bit in the first information block, or the first bit and the second bit belong to the Q padding bits, and there is at least one bit belonging to the M sub-information blocks locating between the positions of the first bit and the second bit in the first information block;
• and
• wherein the M sub-information blocks are sequentially cascaded with the Q padding bits to generate a second information block, and the second information block is interleaved to generate the first information block.