Physical layer security for UAV wireless networks

Chenxi Liu, Rui Ma, Jemin Lee, Tony Q.S. Quek

研究成果: Chapter

摘要

Unmanned aerial vehicle (UAV) wireless communication has been considered to be a promising solution to provide ubiquitous coverage and enhanced capacity performance in the sixth-generation (6G) wireless networks. Against this background, safeguarding the UAV networks using physical layer security (PLS) techniques has been attracting significant research attention. In this chapter, we provide a comprehensive overview of PLS techniques in the UAV networks. Open problems and opportunities for PLS in the UAV networks are discussed. In addition, we take a UAV wiretap channel as an example and demonstrate how the design of the secure transmission scheme can effectively improve the secrecy performance of the considered UAV wiretap channel. To be more specific, we consider a UAV wiretap channel, in which a source communicates with a legitimate UAV in the presence of an eavesdropper. We assume the eavesdropper works in a full-duplex mode. That is, the eavesdropper is capable of performing both eavesdropping and malicious jamming at the same time. The source transmits artificial noise (AN) signals, along with information signals, to interfere with the eavesdropper. We derive the hybrid outage probability, which considers both the transmission outage probability and the secrecy outage probability. We also derive an analytical expression of the asymptotic hybrid outage probability in the regime where the transmit power becomes large. Through analysis and the simulation results, we show how the minimum hybrid outage probability can be achieved by adaptively adjusting the altitude of the UAV, and the power allocation between the AN signals and the information signals.

原文English
主出版物標題Physical Layer Security for 6G Networks
發行者Institution of Engineering and Technology
頁面353-377
頁數25
ISBN(電子)9781839536922
ISBN(列印)9781839536915
出版狀態Published - 2024 1月 1

All Science Journal Classification (ASJC) codes

  • 一般電腦科學
  • 一般工程

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