利用图谱搜索好的不规则低密度奇偶校验码

2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) Pub Date : 2021-09-13 DOI:10.1109/PIMRC50174.2021.9569696

Dawei Yin, Xiaojing Zhang, Xichao Shu, Guiying Yan, Guanghui Wang

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引用次数: 0

摘要

对扩展码的研究表明，对于规则的低密度奇偶校验码，坦纳图的谱决定了其最小距离和停止集的大小等性质。在本研究中，我们从理论和实验上证明了不规则LDPC码的性能与图谱有关。我们的观察结果可以为搜索良好的不规则LDPC码提供一个有效的度量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Search for Good Irregular Low-Density Parity-Check Codes Via Graph Spectrum

Research on the expander code shows that for a regular low-density parity-check (LDPC) code, the Tanner graph’s spectrum determines its properties, such as the minimum distance and the size of stopping sets. In this study, we demonstrate theoretically and experimentally that the performance of irregular LDPC codes is related to the graph spectrum. Our observations may provide an efficient metric to search for good irregular LDPC codes.

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2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)

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