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Physical Layer Security over Fluctuating Two-Ray Fading Channels

By Wen Zeng, Jiayi Zhang, Shuaifei Chen, Kostas P. Peppas and Bo Ai

Abstract

Ensuring the physical layer security (PHY-security) of millimeter wave (mmWave) communications is one of the key factors for the success of 5G. Recent field measurements show that conventional fading models cannot accurately model the random fluctuations of mmWave signals. To tackle this challenge, the fluctuating two-ray (FTR) fading model has been proposed. In this correspondence, we comprehensively analyze the PHY-security in mmWave communications over FTR fading channels. More specifically, we derive analytical expressions for significant PHY-security metrics, such as average secrecy capacity, secrecy outage probability, and the probability of strictly positive secrecy capacity, with simple functions. The effect of channel parameters on the PHY-security has been validated by numerical results.Comment: 5 pages, 4 figures, to appear in IEEE Transactions on Vehicular Technolog

Topics: Computer Science - Information Theory
Year: 2018
DOI identifier: 10.1109/tvt.2018.2842126
OAI identifier: oai:arXiv.org:1805.12360

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