A physical layer security scheme based on cooperative jamming in energy cooperation networks

被引：0

作者：

Lei, Wei-Jia ^{[1
]}

Zhan, Mei-Hui ^{[1
]}

Xie, Cheng-Jing ^{[1
]}

Xie, Xian-Zhong ^{[1
]}

机构：

[1] Chongqing Key Laboratory of Mobile Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing

来源：

Beijing Youdian Daxue Xuebao/Journal of Beijing University of Posts and Telecommunications | 2015年 / 38卷 / 06期

关键词：

Cooperative jamming; Energy cooperation; Physical layer security; Secrecy rate;

D O I：

10.13190/j.jbupt.2015.06.014

中图分类号：

学科分类号：

摘要：

It attempts to solve the problem of enhancing physical-layer transmission security based on energy cooperation in the system which consists of one single-antenna source, destination, eavesdropper and one multi-antenna relay. To improve the secrecy rate, the multi-antenna relay transmits beamformed jamming signals to disturb the eavesdropper. A scheme of cooperative jamming with energy cooperation is proposed for the scenario when the energy supply of the relay is limited. Within the scope of the energy constraint, the source provides energy for the relay to transmit jamming signals. The optimal solution is derived for the amount of energy needed to transfer, transferring time and the beamforming vector of the jamming signals. The simulation results show that in the case when no energy of the relay is consumed, the scheme of energy cooperation and jamming can significantly improve the secrecy rate compared with direct transmission. © 2015, Beijing University of Posts and Telecommunications. All right reserved.

引用

页码：65 / 68and80

页数：6815

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