Methods and systems for encoding and decoding for LDPC codes
地域：
Shenzhen, Guangdong
摘要
Methods and devices are disclosed for encoding source words and decoding codewords with LDPC matrices. The Methods and devices use a LDPC matrix Hn of lifting factor Z. The LDPC matrix Hn comprises a plurality of submatrices, each submatrix having a size of Z×Z, and at least one submatrix has m1 diagonals of “1” m1 is an integer>=2.
說(shuō)明書
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As described above, the LDPC encoding information of the transmitted signal may be included in the frame transmitted, such as the information of the K/N rate LPDC code Hn=(N?K)×N LDPC matrix used to encode the source words. In one embodiment of the present application, a K/N rate LPDC code Hn=(N?K)×N may be used, at the LDPC decoder 1508, with a lifting factor of Z. As described in the encoding process, Hn comprises a plurality of submatrices, and each submatrix has a size of Z×Z. At least one submatrix in Hn comprises m1 diagonals of “1”, where m1 is an integer>=2. The methods of generating the parity check matrix have been described in the encoding process.
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