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    • Two Enhanced Reliability-Based Decoding Algorithms for Nonbinary LDPC Codes

    Liyuan Song,Qin Huang,Zulin Wang,Mu Zhang,Shafei Wang

    IEEE Transactions on Communications（2016）CCF BSCI 2区

    Beihang Univ | Inst North Elect Equipment

    Cited 18|Views20
    Abstract
    The weighted bit-reliability-based (wBRB) algorithm for nonbinary LDPC codes suffers certain loss of symbolreliability. Thus, this paper enhances its soft-decision version by passing multiple symbol-reliability instead of bit-reliability. Furthermore, it demonstrates that plurality robustly indicates symbol-reliability of extrinsic information-sums. Thus, this paper enhances the hard-decision version by introducing symbolreliability from plurality. Analysis results show that these two enhanced decoding algorithms significantly outperform the wBRB algorithm with reasonable overhead.
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    Nonbinary LDPC codes,bit-reliability,hard reliability,multiple symbol-reliability,plurality logic
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