Wireless-Powered Friendly Jammer for Physical Layer Security

被引：0

作者：

Liu, Wanchun ^{[1
]}

Zhou, Xiangyun ^{[1
]}

Durrani, Salman ^{[1
]}

机构：

[1] Australian Natl Univ, Res Sch Engn, Canberra, ACT, Australia

来源：

2015 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS & SIGNAL PROCESSING (WCSP) | 2015年

关键词：

FADING CHANNELS; NETWORKS;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Exploring a cooperative node as a friendly jammer is an effective means of providing secure communication between a source-destination pair in the presence of an eavesdropper. In this work, we consider the use of a wireless-powered friendly jammer. Without relying on external energy supply, the friendly jammer is powered by the source node via wireless power transfer. We apply a simple time-switching protocol where the power transfer and jammer-assisted secure transmission occur in different time blocks. By investigating the long-term behavior of the communication protocol, we derive a closed-form expression of the throughput. We further optimize the jamming power and the rate parameters for maximizing the throughput subject to a secrecy outage probability constraint.

引用

页数：5

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