| 基于(2,1,N)卷积码的网络丢包纠错方法 |
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| 引用本文： | 李陶深,魏伟.基于(2,1,N)卷积码的网络丢包纠错方法[J].广西大学学报(自然科学版),2009,34(3). |
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| 作者姓名： | 李陶深 魏伟 |
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| 作者单位： | 广西大学计算机与电子信息学院,广西南宁,530003 |
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| 基金项目： | 国家自然科学基金资助项目，广西自然科学基金资助项目 |
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| 摘 要： | 在无质量保证的网络环境下,网络拥塞引起的数据包丢失可能会导致服务质量的急剧下降.提出一种基于(2,1,N)卷积码的网络丢包纠错方法,给出相应的纠错算法.通过对比在不同的信噪比条件下卷积码的纠错能力和稳定性,以及在相同信噪比的情况下对分组码和卷积码的丢包率,说明本文算法的纠错能力在低解码延迟条件下好于现有方法,能适应不同的网络延迟条件.
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| 关 键 词： | 卷积码 网络包 纠错 编码 解码 |
Method correcting network packet losses based on (2,1,N) convolutional code |
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| LI Tao-shen,WEI Wei.Method correcting network packet losses based on (2,1,N) convolutional code[J].Journal of Guangxi University(Natural Science Edition),2009,34(3). |
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| Authors: | LI Tao-shen WEI Wei |
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| Institution: | College of Computer and Electronics and Information;Guangxi University;Nanning 530004;China |
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| Abstract: | For the network environment without quality assurance,network packet losses caused by network congestion may bring about reducing quality of service rapidly.This paper proposes a method correcting network packet losses based on(2,1,N) system convolutional code,and presents a code error correction algorithm.By comparing the error correction capability and stability under different signal-to-noise ratio conditions,and packet loss rate of the block code and the convolutional code in the same signal-to-noise ra... |
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| Keywords: | convolutional code network packet correcting coding decoding |
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