发明授权
US07679536B2 Method and apparatus for constructing efficient slepian-wolf codes with mismatched decoding 有权
用于构建具有错误解码的高效率的蛇形码的方法和装置

Method and apparatus for constructing efficient slepian-wolf codes with mismatched decoding
摘要:
Disclosed is a method for constructing Slepian-Wolf codes, wherein the designed Slepian-Wolf codes are robust to mismatched decoding. The disclosed method for constructing Slepian-Wolf codes includes the steps of: choosing representative probability distributions from a set of possible probability distributions; choosing a probability distribution as a decoding metric; converting the chosen decoding metric to a cyclic-symmetric channel; computing the initial message value given the cyclic-symmetric channel; computing a set of probability distributions of the initial message given the initial message values and the representative probability distributions; optimizing the degree distribution given the set of probability distributions of the initial message; optimizing the decoding metric.
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