Density evolution analysis of robustness for LDPC codes over the Gilbert-Elliott channel

Manabu Kobayashi, Hideki Yagi, Toshiyasu Matsushima, Shigeichi Hirasawa

    Research output: Contribution to journalArticle

    Abstract

    In this paper, we analyze the robustness for low-density parity-check (LDPC) codes over the Gilbert-Elliott (GE) channel. For this purpose we a density evolution method for the case where LDPC decoder uses the mismatched parameters for the GE channel. Using this method, we derive the region of tuples of true parameters and mismatched decoding parameters for the GE channel, where the decoding error probability approaches asymptotically to zero.

    Original languageEnglish
    Pages (from-to)2754-2764
    Number of pages11
    JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
    VolumeE91-A
    Issue number10
    DOIs
    Publication statusPublished - 2008 Oct

    Fingerprint

    Low-density Parity-check (LDPC) Codes
    Decoding
    Robustness
    Error Probability
    Parity
    Zero
    Error probability

    Keywords

    • Density evolution
    • Gilbert-Elliott channel
    • LDPC codes
    • Robustness

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Computer Graphics and Computer-Aided Design
    • Applied Mathematics
    • Signal Processing

    Cite this

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    abstract = "In this paper, we analyze the robustness for low-density parity-check (LDPC) codes over the Gilbert-Elliott (GE) channel. For this purpose we a density evolution method for the case where LDPC decoder uses the mismatched parameters for the GE channel. Using this method, we derive the region of tuples of true parameters and mismatched decoding parameters for the GE channel, where the decoding error probability approaches asymptotically to zero.",
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    AU - Yagi, Hideki

    AU - Matsushima, Toshiyasu

    AU - Hirasawa, Shigeichi

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    AB - In this paper, we analyze the robustness for low-density parity-check (LDPC) codes over the Gilbert-Elliott (GE) channel. For this purpose we a density evolution method for the case where LDPC decoder uses the mismatched parameters for the GE channel. Using this method, we derive the region of tuples of true parameters and mismatched decoding parameters for the GE channel, where the decoding error probability approaches asymptotically to zero.

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    KW - Robustness

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