Secrecy rate analysis of dual-hop AF relay wiretap channel

被引：0
作者：
丁飞 [1 ,2 ]
Song Aiguo [3 ]
Li Jianqing [3 ]
Wu Zhenyang [1 ]
机构：
[1] School of Information Science and Engineering,Southeast University
[2] Research and Development Center,China Mobile Group Jiangsu Co.,Ltd
[3] School of Instrument Science and Engineering,Southeast University
来源：
High Technology Letters | 2014年 / 20卷 / 04期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
secrecy rate; information-theoretic security; amplify-and-forward(AF); dualhop; relay; wiretap channel;
D O I：
暂无
中图分类号：
TN918 [通信保密与通信安全];
学科分类号：
0839 ; 1402 ;
摘要：
An amplify-and-forward(AF) dual-hop relay is proposed for secure communication within Wyner s wiretap channel.Based on an information-theoretic formulation,the average secrecy rate is characterized when two legitimate partners communicate over a quasi-static fading channel.Theoretical analysis and simulation results show that both cooperative strategies of average power scaling(APS) and instantaneous power scaling(IPS) are proved to be able to achieve information-theoretic security,and eavesdropper is unable to decode any information.
引用
收藏
页码：390 / 394
页数：5
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