| 一种利用网络编码提高物理层安全的无线中继系统 |
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| 引用本文： | 时斌,金梁,钟州,吉江.一种利用网络编码提高物理层安全的无线中继系统[J].信息工程大学学报,2011(6):689-693,697. |
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| 作者姓名： | 时斌 金梁 钟州 吉江 |
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| 作者单位： | 信息工程大学信息工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(F010202) |
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| 摘 要： | 针对无线中继系统传输过程中存在的安全问题,提出了一种利用网络编码提高物理层安全的中继系统。该系统通过网络编码使合法用户无误进行信号传输,同时在窃听用户端造成通信冲突,从而提高中继系统的安全性。理论分析和仿真结果表明,利用网络编码技术可以有效提高合法通信双方之间的安全容量。
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| 关 键 词： | 物理层安全 网络编码 中继系统 安全容量 |
Wireless Relay System Using Network Coding to Improve Physical Security |
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| SHI Bin,JIN Liang,ZHONG Zhou,JI Jiang.Wireless Relay System Using Network Coding to Improve Physical Security[J].Journal of Information Engineering University,2011(6):689-693,697. |
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| Authors: | SHI Bin JIN Liang ZHONG Zhou JI Jiang |
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| Affiliation: | SHI Bin,JIN Liang,ZHONG Zhou,JI Jiang(Institute of Information Engineering,Information Engineering University,Zhengzhou 450002,China) |
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| Abstract: | A wireless relay system using network coding to improve physical security is proposed in this paper to slove the security problem in wireless relay transmission.This system uses network coding to secure reliable wireless transmission for authorized users and produces communication conflicts for eavesdroppers,so that the security of the whole relay system is enhanced.Theoretical analysis and simulation results show that this network coding can effectively enlarge the secrecy capacity between authorized commu... |
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| Keywords: | wireless security network coding relay system secrecy capacity |
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