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An Improved Full Rank Condition for Nonbinary LDPC Codes over BI-AWGN Channel

  • Yuhao Liu*
  • , Qin Huang
  • *此作品的通讯作者
  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

This paper improves the full rank condition (FRC) to construct nonbinary LDPC codes for binary AWGN channels, in which there is usually a one-bit error in one erroneous symbol. When assigning values to symbols in a cycle, our improved FRC condition not only considers rank deficiency, but also prefers values with the smallest probability that the related checks are mistakenly satisfied due to one-bit errors in these symbols. Finally, we present the IFRC-based optimization algorithm performs row-wise optimization on the non-zero elements of the parity-check matrix. Simulation results show the effectiveness of IFRC compared to FRC: the error-correcting performance is improved by 0.1dB to 0.5dB, and the error floor can be reduced by up to an order of magnitude.

源语言英语
主期刊名2025 IEEE/CIC International Conference on Communications in China, ICCC Workshops 2025
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9781665478014
DOI
出版状态已出版 - 2025
活动2025 IEEE/CIC International Conference on Communications in China, ICCC Workshops 2025 - Shanghai, 中国
期限: 10 8月 202513 8月 2025

出版系列

姓名2025 IEEE/CIC International Conference on Communications in China, ICCC Workshops 2025

会议

会议2025 IEEE/CIC International Conference on Communications in China, ICCC Workshops 2025
国家/地区中国
Shanghai
时期10/08/2513/08/25

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