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A simple approximation for the secrecy outage probability (SOP) over generalized-K fading channels is developed. This approximation becomes tighter as the average signal-to-noise ratio (SNR) of the wiretap channel decreases. Based on this…

Information Theory · Computer Science 2019-07-04 Hui Zhao , Yuanwei Liu , Ahemd Sultan-Salem , Mohamed-Slim Alouini

In this letter, the secrecy performance in cognitive radio networks (CRNs) over fluctuating two-ray (FTR) channels, which is used to model the millimetre wave channel, is investigated in terms of the secrecy outage probability (SOP).…

Signal Processing · Electrical Eng. & Systems 2019-04-15 Hui Zhao , Jiayi Zhang , Liang Yang , Gaofeng Pan , Mohamed-Slim Alouini

In this paper, the physical layer security aspects of a wireless framework over {\alpha}-\k{appa}-{\mu} shadowed (AKMS) fading channel are examined by acquiring closed-form novel expressions of average secrecy capacity, secure outage…

Information Theory · Computer Science 2021-09-06 A. S. M. Badrudduza , S. H. Islam , M. K. Kundu , I. S. Ansari

In this paper, we analyze the secrecy outage performance for more realistic eavesdropping scenario of free-space optical (FSO) communications, where the main and wiretap links are correlated. The FSO fading channels are modeled by the…

Information Theory · Computer Science 2021-03-17 Yun Ai , Aashish Mathur , Long Kong , Michael Cheffena

In this letter, we adopt the SOP definition in [4] and the simplified model of [8], and derive a closed-form expression for the proposed SOP over GK fading channels. To simplify this expression and obtain additional insights, we also…

Signal Processing · Electrical Eng. & Systems 2019-05-21 Luyao Zhang , Hui Zhao , Gaofeng Pan , Liang Yang , Jiawei Chen

To provide system design insights for practical communication systems equipped with the frequency diverse array (FDA), this paper investigates the secrecy performance of FDA systems exploiting finite-alphabet inputs over fluctuating two-ray…

Signal Processing · Electrical Eng. & Systems 2020-06-12 Chongjun Ouyang , Sheng Wu , Chunxiao Jiang , Derrick Wing Kwan Ng , Hongwen Yang

We analyze a secure dual-hop mixed radio frequency-free space optical (RF-FSO) downlink simultaneous wireless information and power transfer (SWIPT) systems. The FSO link and all RF links experience Gamma-Gamma, independent and identical…

Information Theory · Computer Science 2019-09-04 Hongjiang Lei , Zhijun Dai , Ki-Hong Park , Weijia Lei , Gaofeng Pan , Mohamed-Slim Alouini

In this paper, we consider the transmission of confidential information over a $\kappa$-$\mu$ fading channel in the presence of an eavesdropper, who also observes $\kappa$-$\mu$ fading. In particular, we obtain novel analytical solutions…

Information Theory · Computer Science 2015-07-27 Nidhi Bhargav , Simon L. Cotton , David E. Simmons

This letter studies information-theoretic security without knowing the eavesdropper's channel fading state. We present an alternative secrecy outage formulation to measure the probability that message transmissions fail to achieve perfect…

Information Theory · Computer Science 2016-11-17 Xiangyun Zhou , Matthew R. McKay , Behrouz Maham , Are Hjorungnes

We analyze the secrecy performance of a two-hop mixed radio frequency (RF)/underwater wireless optical communication (UWOC) system using a decode-and-forward (DF) relay. All RF and UWOC links are modeled by the $\alpha-\mu$ and…

Information Theory · Computer Science 2020-09-02 Yi Lou , Ruofan Sun , Julian Cheng , Donghu Nie , Gang Qiao

In this paper, the secrecy analysis of physical layer when both the main and wiretap channels undergo $\kappa-\mu$ shadowed fading channel is investigated. In particular, the average secrecy capacity (ASC), secure outage probability (SOP),…

Information Theory · Computer Science 2018-04-26 Hussien Al-Hmood , H. S. Al-Raweshidy

We investigate the physical layer security over N-wave with diffuse power (NWDP) fading model, which is typically encountered in realistic wireless scenarios in the context of millimeter-wave communications and emerging 5G technologies.…

With increasing number of antennae in base stations, there is considerable interest in using beamfomining to improve physical layer security, by creating an `exposure region' that enhances the received signal quality for a legitimate user…

Information Theory · Computer Science 2016-08-03 Yuanrui Zhang , Youngwook Ko , Roger Woods , Alan Marshall

This paper presents a detailed secrecy outage performance analysis of correlated multi-antenna wiretap channels with three popular diversity combining schemes, namely maximal ratio combining, selection combining, and equal gain combining at…

Information Theory · Computer Science 2018-08-10 Jiangbo Si , Zan Li , Julian Cheng , Caijun Zhong

We study the outage probability of opportunistic relay selection in decode-and-forward relaying with secrecy constraints. We derive the closed-form expression for the outage probability. Based on the analytical result, the asymptotic…

Information Theory · Computer Science 2011-11-16 Xiaojun Sun , Chunming Zhao

This paper technically explores the secrecy rate $\Lambda$ and a maximisation problem over the concave version of the secrecy outage probability (SOP) as $\mathop{{\rm \mathbb{M}ax}}\limits_{\Delta } {\rm \; } \mathbb{P}\mathscr{r} \big(…

Information Theory · Computer Science 2022-06-15 Makan Zamanipour

In this paper, we analyse the performance of physical layer security over Fluctuating Beckmann (FB) fading channel which is an extended model of both the $\kappa-\mu$ shadowed and the classical Beckmann distributions. Specifically, the…

Information Theory · Computer Science 2019-04-18 Hussien Al-Hmood , H. S. Al-Raweshidy

Most of the well-known fading distributions, if not all of them, could be encompassed by Fox's $H$-function fading. Consequently, we investigate the exact and asymptotic behavior of physical layer security (PLS) over Fox's $H$-function…

Information Theory · Computer Science 2019-05-10 Long Kong , Georges Kaddoum , Hatim Chergui

In this paper, we investigate the physical layer security over the Alternate Rician Shadowed fading channel, which is a novel channel model for body-centric wireless links and land mobile satellite. We derive exact closed-form expressions…

Information Theory · Computer Science 2020-12-02 Xiaoqi Wang , Jiayi Zhang , Hongyang Du , Ning Wang , Bo Ai

We investigate the secure communications over correlated wiretap Rayleigh fading channels assuming the full channel state information (CSI) available. Based on the information theoretic formulation, we derive closed-form expressions for the…

Information Theory · Computer Science 2010-03-24 Xiaojun Sun , Chunming Zhao , Ming Jiang
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