Rate matching method and communication apparatus

A rate matching method, comprising:

• performing row interleaving on a first encoding sequence, to obtain a second encoding sequence, wherein the first encoding sequence is a basis sequence corresponding to small packet encoding;
• encoding a to-be-encoded sequence based on the second encoding sequence, to obtain a second codeword sequence having a length of 32 bits;
• puncturing the second codeword sequence based on a value E, to obtain a third codeword sequence, wherein the value E indicates a quantity of bits of the second codeword sequence after rate matching, and E is a positive integer less than 32;
• and
• outputting the third codeword sequence.

A communication apparatus, comprising at least one processor, wherein the at least one processor is coupled to at least one memory, and the at least one processor is configured to execute a computer program or instructions stored in the at least one memory, to cause the communication apparatus to perform operations comprising:

• encoding a to-be-encoded sequence based on a first encoding sequence, to obtain a first codeword sequence having a length of 32 bits, wherein the first encoding sequence is a basis sequence corresponding to small packet encoding;
• interleaving the first codeword sequence to obtain a second codeword sequence;
• puncturing the second codeword sequence based on a value E, to obtain a third codeword sequence, wherein the value E indicates a quantity of bits of the second codeword sequence after rate matching, and E is a positive integer less than 32;
• and
• outputting the third codeword sequence.