1. A method in base station equipment for wireless communication, comprising:generating, by a first processor module, a first information block comprising bits in M sub-information-blocks and Q padding bits, where the M is a positive integer greater than one, and the Q is an integer not less than zero;
performing, by a first channel encoder, first channel coding, wherein a first bit block is used for an input of the first channel coding, the first bit block comprises bits in the first information block, and the first channel coding is based on a polar code;
transmitting, by a first transmitter module, a first radio signal, wherein the output of the first channel coding is used to generate the first radio signal;
wherein any one of the M sub-information-blocks consists of a positive integer number of bits, a first sub-information-block is a sub-information-block of the M sub-information-blocks; the value of the first sub-information-block is related to the information format of the first information block, or the value of the first sub-information-block is related to the Q; the sequential relationship between the first bit in the first sub-information-block and the first bit in a second sub-information-block in the first information block is related to the number of bits included in the first information block, and the second sub-information-block is a sub-information-block of the M sub-information-blocks.