基于协作干扰的全双工中继系统混合安全传输协议

doi:10.11959/j.issn.1000-0801.2017021

Abstract

Abstract:

A hybrid cooperative jamming protocol was proposed to improve secrecy capacity for the full-duplex relay system with a passive eavesdropper,which chose the relay-and-source-based cooperative jamming (RSCJ) protocol or the relay-and-destination-based cooperative jamming (RDCJ) protocol according to the channel state information.Taking the self-interference at both the relay and the receiver into consideration,a protocol selection strategy was proposed and the expressions of secrecy outage probability of the system with RSCJ or RDCJ were derived.Simulation results show that the secrecy performance is significantly improved when the proposed hybrid cooperative jamming protocol is applied.Compared to the conventional transmission scheme,the proposed protocol has significant safety performance advantages.

Key words: physical layer security, cooperative jamming, full-duplex, relay system, secrecy outage probability

CLC Number:

TN925

Wei ZHOU,Ruifeng GAO,Xiaodong JI,Zhihua BAO. A hybrid cooperative jamming protocol for full-duplex relay wiretap system[J]. Telecommunications Science, 2017, 33(1): 16-23.

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References 9

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A hybrid cooperative jamming protocol for full-duplex relay wiretap system

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