| 具有线性编码复杂度的非规则LDPC码 |
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| 引用本文： | 赵旦峰,佟宁宁,吴宇平.具有线性编码复杂度的非规则LDPC码[J].吉林大学学报(工学版),2009,39(2). |
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| 作者姓名： | 赵旦峰 佟宁宁 吴宇平 |
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| 作者单位： | 哈尔滨工程大学信息与通信工程学院,哈尔滨,150001 |
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| 摘 要： | 针对LDPC码的迭代编码算法提出了一种具有下三角结构的非规则LDPC码校验矩阵的构造方法。仿真结果表明:在MSK调制及BPSK调制情况下,根据本文提出的构造方法所构造出的LDPC码不仅具有线性的编码复杂度及矩阵构造和存储简单的优点,同时具有较强的纠错能力。
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| 关 键 词： | 通信技术 线性编码 下三角结构 非规则LDPC码 迭代编码 循环移位矩阵 |
Class of irregular LDPC codes with low encoding complexity |
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| ZHAO Dan-feng,TONG Ning-ning,WU Yu-ping.Class of irregular LDPC codes with low encoding complexity[J].Journal of Jilin University:Eng and Technol Ed,2009,39(2). |
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| Authors: | ZHAO Dan-feng TONG Ning-ning WU Yu-ping |
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| Affiliation: | College of Information and Communication Engineering;Harbin Engineering University;Harbin 150001;China |
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| Abstract: | On the basis of the iterative encoding algorithm of low density parity check(LDPC) codes,a construction method of irregular LDPC codes checking matrix in lower triangle structure was presented.Simulation results indicate that the performance of the proposed method in both MSK modulation and BPSK modulation can possess linear operation complexity,simple matrix structure,easy storage property,and strong capacity for error correction. |
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| Keywords: | communication liner encoding lower triangular form irregular LDPC codes iterative encoding circulant permutation matrices |
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