Opportunities for Physical Layer Security in UAV Communication Enhanced with Intelligent Reflective Surfaces

Unmanned aerial vehicles (UAVs) are an important component of next-generation wireless networks that can assist in high data rate communications and provide enhanced coverage.Their high mobility and aerial nature offer deployment flexibility and low-cost infrastructure support to existing cellular n...

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Bibliographic Details
Published in:IEEE wireless communications 2022-12, Vol.29 (6), p.22-28
Main Authors: Khan, Wali Ullah, Lagunas, Eva, Ali, Zain, Javed, Muhammad Awais, Ahmed, Manzoor, Chatzinotas, Symeon, Ottersten, Bjorn, Popovski, Petar
Format: Article
Language:English
Subjects:
Autonomous aerial vehicles
Cellular communication
Cellular networks
Data security
Optimization
Physical layer security
Reliability
Trajectory
Unmanned aerial vehicles
Wireless communications
Wireless networks
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Summary:Unmanned aerial vehicles (UAVs) are an important component of next-generation wireless networks that can assist in high data rate communications and provide enhanced coverage.Their high mobility and aerial nature offer deployment flexibility and low-cost infrastructure support to existing cellular networks and provide many applications that rely on mobile wireless communications. However, security is a major challenge in UAV communications, and physical layer security (PLS) is an important technique to improve the reliability and security of data shared with the assistance of UAVs. Recently, the intelligent reflective surface (IRS) has emerged as a novel technology to extend and/or enhance wireless coverage by reconfiguring the propagation environment of communications. This article provides an overview of how the IRS can improve the PLS of UAV networks. We discuss different use cases of PLS for IRS-enhanced UAV communications and briefly review the recent advances in this area. Then, based on the recent advances, we also present a case study that utilizes alternate optimization to maximize the secrecy capacity for an IRS-enhanced UAV scenario in the presence of multiple Eves. Finally, we highlight several open issues and research challenges to realize PLS in IRS-enhanced UAV communications.
ISSN:1536-1284
1558-0687
DOI:10.1109/MWC.001.2200125