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Physical Layer Security in Full-Duplex Cellular Networks

Babaei, A; Aghvami, AH; Shojaeifard, A; Wong, K-K; (2017) Physical Layer Security in Full-Duplex Cellular Networks. In: Affes, S, (ed.) 2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications: Conference Proceedings. IEEE Green open access

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Abstract

In this work, we investigate the physical layer security (PHYLS) performance of full-duplex (FD) cellular networks, where the downlink (DL) and uplink (UL) occur over the same radio-frequency (RF) resources. Here, the locations of the base stations (BSs) and mobile terminals (MTs) are drawn from stationary Poisson point processes (PPPs). Moreover, the eavesdroppers (EDs) locations are unknown to the network, and are thus modeled from an independent PPP. We characterize the signal-to-interference-plus-noise ratio (SINR) distributions at the reference BS, MT, and most malicious EDs. Accordingly, we develop explicit expressions for the secrecy rates in both UL and DL of the FD cellular network under consideration. Our finding show that the choice of FD versus HD operation, in addition to improving the spectral efficiency, can enhance the secrecy rate, particularly for ultra-dense deployments.

Type: Proceedings paper
Title: Physical Layer Security in Full-Duplex Cellular Networks
Event: PIMRC 17, IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, 8-13 October 2017, Montreal, Canada
Location: Montreal, CANADA
Dates: 08 October 2017 - 13 October 2017
ISBN-13: 9781538635292
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/PIMRC.2017.8292465
Publisher version: https://doi.org/10.1109/PIMRC.2017.8292465
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Interference, High definition video, Signal to noise ratio, Cellular networks, Receivers, Radio frequency
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10046852
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