LDPC codec source code can be generated non-arbitrary rules binary check matrix, LLR BP decoding can be carried out

LDPC码的软判决译码算法，概率域LLR—BP算法，其中，概率信息以对数似然比的形式表示。-The decoding algorithm of LDPC . The LLP-BP algorithm of probability field,in which,the probability informationv expressed by the form of log likelihood ratio.