Joint Power Allocation and Match Access for Physical Security of Heterogeneous Cellular Networks

被引：0
|
作者：
Yan, Shiwei [1 ]
Shang, Yong [1 ]
Zhang, Xiguang [1 ]
Zhang, Ming [1 ]
机构：
[1] Peking Univ, Sch Elect Engn & Comp Sci, Beijing, Peoples R China
来源：
2018 IEEE 87TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING) | 2018年
关键词：
physical layer security; heterogeneous D2D and cellular networks; multiple jammers; the weighted bipartite graph;
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：
In this paper, we investigate the Physical Layer Security (PLS) of a multiple friendly jammers and multiple users wireless system in Device-to-Device (D2D) communications underlaying cellular networks with an eavesdropper. The aim is to maximize the increase of secrecy capacity of the entire system through optimal power allocation and jamming matching under various practical constraints. Firstly, the total increase secrecy capacity of D2D pairs with the help of jamming is derived, then we obtain optimal jamming power for each D2D pair and formulate the D2D pairs and jammers matching problem in the weighted bipartite graph via designing the Kuhn-Munkres (KM) algorithm. Finally, numerical results demonstrate that our scheme could greatly improve the secrecy performance of heterogeneous D2D and cellular networks.
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页数：5
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