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Research of LDPC BF Decoding Algorithm Based on Loop Detection
Author(s): 
Pages: 79-82
Year: Issue:  13
Journal: Video Engineering

Keyword:  LDPC码加权比特翻转译码循环检测软判决;
Abstract: 提出一种基于循环检测的低密度奇偶校验码的比特翻转(BF)译码算法,采用对译码翻转比特的循环检测和对接受符号可靠性信息的软判决,使译码性能大大改善.理论分析表明,该译码运算复杂度低,仿真结果表明,改进的算法优于加权比特翻转译码LP-WBF算法约0.3 dB,误码性能改善明显.
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