| 摘要 |
<p>An information sequence having a code length of N (N=K+M), where K is information length and M is parity length, is encoded into a code sequence by using an LDPC code. The LDPC code is generated based on a matrix H, with M rows and N columns. The matrix H includes a check matrix H2 and a check matrix H1. The check matrix H2 has M rows and M columns, it is a cyclic permutation matrix, and an inverse matrix exists for the check matrix H2, and its column weight is 3. The check matrix H1 has M rows and K columns.
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