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Iterative decoding of linear block codes by adapting the parity check matrix
Iterative decoding of linear block codes by adapting the parity check matrix
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机译:通过适应奇偶校验矩阵对线性分组码进行迭代解码
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摘要
A method of decoding linear block code uses an iterative message passing algorithm with a binary image of a parity check matrix of the linear block code, wherein the parity check matrix is adapted from one iteration to another based on the reliabilities of bits in the linear block code. The adaptation involves reducing a submatrix corresponding to the less reliable bits in the linear block code to a sparse nature before applying the message passing algorithm in each iteration. An apparatus that performs the method is also provided and several variations of the algorithm are also provided.
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