Cooperative Jamming and Power Allocation in Two-Way Relaying System with Eavesdropper

被引：0
|
作者：
Long, Hang [1 ]
Xiang, Wei [2 ]
Wang, Jing [1 ]
Zhang, Yueying [3 ]
Zhao, Hui [1 ]
Wang, Wenbo [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Universal Wireless Commun, Wireless Signal Proc & Network Lab, Beijing 100876, Peoples R China
[2] Univ So Queensland, Fac Engn & Surveying, Toowoomba, Qld 4350, Australia
[3] Res Inst China Elect Technol Grp Corp, Zhengzhou 450046, Peoples R China
来源：
2013 IEEE 78TH VEHICULAR TECHNOLOGY CONFERENCE (VTC FALL) | 2013年
关键词：
SECURITY;
D O I：
暂无
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：
The security of the two-way relaying system with an eavesdropper is investigated in this paper. A cooperative jamming and power allocation scheme is proposed to enhance the system secrecy capacity. Both user and pre-defined jamming signals are transmitted by each source node simultaneously. The optimum power allocation between the user and jamming signals at each source node is derived. Our analytical results suggest that the proposed cooperative jamming scheme improves on the system secrecy capacity, especially when the channel gains of the two source-relay links are of large difference. Simulation results in close agreement with analytical results clearly demonstrate the advantage of the proposed cooperative jamming scheme.
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页数：5
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