高周长QC-LDPC码结构的模拟退火方法

2018 41st International Conference on Telecommunications and Signal Processing (TSP) Pub Date : 2018-07-01 DOI:10.1109/TSP.2018.8441303

V. Usatyuk, I. Vorobyev

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引用次数: 9

摘要

提出了一种构造高周长准循环低密度奇偶校验码的模拟退火方法。该方法适用于正则和不规则原型码。与先前描述的爬坡和改进的PEG方法相比，该方法在最小循环尺寸方面有所改进。仿真结果验证了采用5G eMBB标准长度自适应方法在基图2 (BG2)下误差层区域的性能增益。

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Simulated Annealing Method for Construction of High-Girth QC-LDPC Codes

We present a simulated annealing method that construct high-girth quasi-cyclic low-density parity check (QC-LDPC) codes. The proposed method is applicable to both regular and irregular protograph codes. The method show improvement in term of minimal circulant size compare with previous described methods: Hill-Climbing and improved PEG. Simulated results are presented to demonstrate performance gain of proposed construction method in error-floor region under base graph 2 (BG2) using 5G eMBB standard length adaption method.

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来源期刊

2018 41st International Conference on Telecommunications and Signal Processing (TSP)

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