Physical Layer Network Security in the Full-Duplex Relay System
Physical Layer Network Security in the Full-Duplex Relay System
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DOI：
10.1109/tifs.2015.2390136
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发表时间：
2015-03-01
影响因子：
6.8
通讯作者：
Chambers, Jonathon A.
中科院分区：
文献类型：
--
作者：
Chen, Gaojie;Gong, Yu;Chambers, Jonathon A.
研究了全双工中继（FDR）网络的保密性能。分析表明，在自干扰得到很好抑制的情况下，FDR网络比半双工中继网络具有更好的保密性能。我们还提出了一个全双工干扰中继网络，其中中继节点发送干扰信号，同时接收来自源的数据。虽然全双工干扰方案具有与半双工方案相同的数据速率，但保密性能可以显著提高，使得它在网络保密是主要关注点时成为有吸引力的方案。建立了半双工、全双工和全双工干扰方案的保密中断概率的数学模型，并给出了仿真结果。
This paper investigates the secrecy performance of full-duplex relay (FDR) networks. The resulting analysis shows that FDR networks have better secrecy performance than half duplex relay networks, if the self-interference can be well suppressed. We also propose a full duplex jamming relay network, in which the relay node transmits jamming signals while receiving the data from the source. While the full duplex jamming scheme has the same data rate as the half duplex scheme, the secrecy performance can be significantly improved, making it an attractive scheme when the network secrecy is a primary concern. A mathematic model is developed to analyze secrecy outage probabilities for the half duplex, the full duplex and full duplex jamming schemes, and the simulation results are also presented to verify the analysis.