| 多维奇偶校验乘积码性能分析 |
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| 引用本文： | 黄英,雷菁.多维奇偶校验乘积码性能分析[J].电子科技大学学报(社会科学版),2010(2). |
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| 作者姓名： | 黄英 雷菁 |
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| 作者单位： | 国防科技大学电子科学与工程学院; |
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| 基金项目： | 国家自然科学基金(60572176) |
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| 摘 要： | 相对于Turbo码,乘积码在高码率情况下具有性能优势,且无错误平层,其应用广泛。以奇偶校验码为分量码的乘积码译码算法简单,可适应不同的数据大小要求。通过分析多维奇偶校验乘积码的码多样性,得出高信噪比下该码的性能公式;计算机仿真表明:该性能公式结果与最大似然译码算法及迭代译码算法性能相符。通过分析码率、维数、分量码码长等参数对码性能的影响,得出码率、维数相同时,码性能相近;码率相同、维数不同时,高维乘积码具有性能优势。该结果为码参数选择提供依据,可在相同的信息传输有效性下,选择性能更好的码。
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| 关 键 词： | 码率 维数 奇偶校验码 乘积码 标准一致界 |
Performance Analysis of Multidimensional Parity Check Product Codes |
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| HUANG Ying , LEI Jing.Performance Analysis of Multidimensional Parity Check Product Codes[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),2010(2). |
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| Authors: | HUANG Ying LEI Jing |
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| Institution: | HUANG Ying , LEI Jing(Institute of Electronic Science , Engineering,National University of Defense Technology Changsha 410073) |
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| Abstract: | Different from Turbo codes,product codes have no error floor problem and have better performance at high rate.In the recent year,product codes are widely used.Parity check product codes,which have the simpler decoding algorithm,can adapt to different required data length.Its performance formula is proposed after analyzing the code multiplicity and information multiplicity.Computer simulations show that the performance of the formula is the same as that of maximum likelihood(ML) decoding algorithm and iterat... |
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| Keywords: | code rate dimension parity check codes product codes union bound |
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