Improving Wireless Security for Bidirectional Communication Scenarios

被引：57
|
作者：
Ding, Zhiguo [1 ]
Xu, Mai [2 ]
Lu, Jianhua [2 ]
Liu, Fei [3 ]
机构：
[1] Newcastle Univ, Sch Elect & Elect Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
[3] Jiangnan Univ, Sch Informat Engn, Wuxi 214122, Peoples R China
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2012年 / 61卷 / 06期
基金：
英国工程与自然科学研究理事会;
关键词：
Cooperative jamming; physical layer security; relay chatting; two way relaying channel; MULTIPLE-ACCESS;
D O I：
10.1109/TVT.2012.2197032
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we study how to improve wireless security for bidirectional communications. For the scenario with single-antenna nodes, effective criteria for relay and jamming node selection are developed to ensure that the probability to have nonzero secrecy rates is approaching one, given sufficient relays. For the scenario with multiple-antenna nodes, effective precoding is proposed to ensure that the mutual information obtained at the eavesdropper decreases to zero when there is a sufficient number of relays.
引用
收藏
页码：2842 / 2848
页数：8
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