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一种低密度奇偶校验码的几何构造方法

DOI: 10.11834/jig.20081052

Keywords: 准循环低密度奇偶校验几何构造法最小环长低编码复杂度

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Abstract:

提出了一种新的QCLDPC码的几何构造法,通过该方法构造出来的码字,其校验矩阵的最小环长为8,有效地保证了码字性能。由于校验矩阵是由一系列循环子矩阵组成的,编码器的硬件结构简单。通过仿真结果表明,这种码字在具有较低的编码复杂度的同时,拥有良好的译码性能。

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