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高性能时不变LDPC卷积码构造算法研究

穆丽伟 刘星成 张涵

引用本文: 穆丽伟, 刘星成, 张涵. 高性能时不变LDPC卷积码构造算法研究[J]. 电子与信息学报, 2016, 38(9): 2274-2279. doi: 10.11999/JEIT151376 shu
Citation:  MU Liwei, LIU Xingcheng, ZHANG Han. New Ensemble of Time-invariant LDPC Convolutional Codes with High Performance[J]. Journal of Electronics and Information Technology, 2016, 38(9): 2274-2279. doi: 10.11999/JEIT151376 shu

高性能时不变LDPC卷积码构造算法研究

摘要: 该文基于由QC-LDPC码获得时不变LDPC卷积码的环同构方法,设计了用有限域上元素直接获得时不变LDPC卷积码多项式矩阵的新算法。以MDS卷积码为例,给出了一个具体的构造过程。所提构造算法可确保所获得的时不变LDPC卷积码具有快速编码特性、最大可达编码记忆以及设计码率。基于滑动窗口的BP译码算法在AWGN信道上的仿真结果表明,该码具有较低的误码平台和较好的纠错性能。

English

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文章相关
  • 收稿日期:  2015-12-08
  • 录用日期:  2016-05-06
  • 刊出日期:  2016-09-19
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