| 一种Turbo码短交织器的设计方法 |
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| 引用本文： | 任俊涛,邵定蓉,祁峰,张波.一种Turbo码短交织器的设计方法[J].北京航空航天大学学报,2002,28(6):685-687. |
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| 作者姓名： | 任俊涛 邵定蓉 祁峰 张波 |
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| 作者单位： | 北京航空航天大学,电子工程系 |
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| 摘 要： | 短交织器的结构对Turbo码的性能有很大的影响,通过探讨Turbo码编码器中反馈最小多项式的周期性和序列的可整除性问题,把可整除序列变为不可整除序列交织器,从而获得高码重的码字,并给出一种基于输入信息序列周期性特性的短交织器的设计方法.仿真结果表明是一种很有效的设计方法.
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| 关 键 词： | 纠错码 误码率 仿真 Turbo码 交织器 |
| 文章编号： | 1001-5965(2002)06-0685-03 |
| 收稿时间： | 2001-07-06 |
| 修稿时间： | 2001年7月6日 |
Method of Short Interleaver Design for Turbo Codes |
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| REN Jun-tao,SHAO Ding-rong,QI Feng,ZHANG Bo.Method of Short Interleaver Design for Turbo Codes[J].Journal of Beijing University of Aeronautics and Astronautics,2002,28(6):685-687. |
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| Authors: | REN Jun-tao SHAO Ding-rong QI Feng ZHANG Bo |
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| Institution: | Beijing University of Aeronautics and Astronautics, Dept. of Electronic Engineering |
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| Abstract: | The interleaver structure plays a very important role to the bit error rate performance of Turbo code. The periodic character of the feedback minimum polynomial and the divisibility character of the input information sequences were analyzed. Some interleavers were found that can change the divisible input sequences into indivisible ones, and the high Hamming weight codes can be obtained. A designing method for the short interleaver based on periodic character of the input information sequences is presented. It is proved to be an effective way by the simulation. |
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| Keywords: | error correcting codes error code rate simulation Turbo codes interleaver |
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