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Mobini Z, dezfoolizade S. Improving Security in Cooperative Communication Networks by Using UAV-assisted Proactive Eavesdropping. Journal of Iranian Association of Electrical and Electronics Engineers. 2021; 18 (3) :143-151
URL: http://jiaeee.com/article-1-980-en.html
Faculty of Engineering Shahrekord University, Shahrekord, Iran
Abstract:   (376 Views)
In this paper, an unmanned aerial vehicles (UAV)s is used to improve the physical layer security of a cooperative communication network. More specifically, in the proposed surveillance system a UAV acts as a legitimate monitor to eavesdrop on a dubious decode-and-forward relaying communication. To maximize the effective eavesdropping rate, two adaptive scenarios are suggested for the legitimate monitor: scenario I) jammer-eavesdropper, and scenario II) eavesdropper-helper/eavesdropper-eavesdropper/ eavesdropper-jammer. For each strategy, the received signal-to-interference-plus-noise ratios SINRs are derived. Numerical results reveal that the proposed strategies achieve better performance than intuitive benchmark schemes. Moreover, as a simple criterion, UAV should employ scenario II when it is close to source, and employ scenario I when it is close to relay.
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Type of Article: Research | Subject: Communication
Received: 2019/09/14 | Accepted: 2020/09/23 | Published: 2021/07/16

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