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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

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

This paper investigates the physical layer security (PLS) performance of $\alpha$-$\mathcal{F}$ fading channels with pointing errors under passive and active eavesdropping scenarios. Novel analytical expressions are derived for key PLS…

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

An alternative or supplementary approach named as physical layer security has been proposed to afford an extra security layer on top of the conventional cryptography technique. In this paper, an overview of secrecy performance…

Information Theory · Computer Science 2020-12-15 Long Kong , Yun Ai , Lei Lei , Georges Kaddoum , Symeon Chatzinotas , Björn Ottersten

In this letter, the performance analysis of physical layer security over Fisher-Snedecor $\mathcal{F}$ fading channels is investigated. In particular, the average secrecy capacity (ASC), the secure outage probability (SOP), the lower bound…

Information Theory · Computer Science 2018-05-22 Hussien Al-Hmood , H. S. Al-Raweshidy

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, 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

This letter establishes a unified analytical framework to study the asymptotic average mutual information (AMI) of mixture gamma (MG) distributed fading channels driven by finite input signals in the high signal-to-noise ratio (SNR) regime.…

Information Theory · Computer Science 2021-11-29 Chongjun Ouyang , Sheng Wu , Chunxiao Jiang , Yuanwei Liu , Julian Cheng , Hongwen Yang

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

Providing secure communications over the physical layer with the objective of achieving perfect secrecy without requiring a secret key has been receiving growing attention within the past decade. The vast majority of the existing studies in…

Information Theory · Computer Science 2018-08-10 Sina Rezaei Aghdam , Alireza Nooraiepour , Tolga M. Duman

This paper investigates the performance of physical layer security (PLS) in fluid antenna-aided communication systems under arbitrary correlated fading channels. In particular, it is considered that a single fixed-antenna transmitter aims…

Information Theory · Computer Science 2024-09-18 Farshad Rostami Ghadi , Kai-Kit Wong , F. Javier Lopez-Martinez , Wee Kiat New , Hao Xu , Chan-Byoung Chae

Securing information in future mobile networks is challenging, especially for devices with limited computational resources. Physical layer security (PLS) offers a viable solution by leveraging wireless channel randomness. When full secrecy…

Signal Processing · Electrical Eng. & Systems 2025-10-16 Henry Carvajal Mora , Nathaly Orozco , Fernando Almeida García , José Vega-Sánchez , Felipe Grijalva , Edgar Benitez Olivo

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

With the completion of standardization of fifth-generation (5G) networks, the researchers have begun visioning sixth-generation (6G) networks that are predicted to be human-centric. Hence, similar to 5G networks, besides high data rate,…

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…

Information Theory · Computer Science 2018-06-01 Wen Zeng , Jiayi Zhang , Shuaifei Chen , Kostas P. Peppas , Bo Ai

In this letter, the secrecy performance of a mixed free space optics (FSO) and radio frequency (RF) system is analyzed from physical layer security (PHY) perspective. In this scenario, one or more eavesdroppers are trying to intercept the…

Signal Processing · Electrical Eng. & Systems 2019-07-09 Dipti R. Pattanayak , Vivek K. Dwivedi , Vikram Karwal , Imran Shafique Ansari , Hongjiang Lei , Mohamed-Slim Alouini

Theoretical studies on physical layer security often adopt the secrecy outage probability as the performance metric for wireless communications over quasi-static fading channels. The secrecy outage probability has two limitations from a…

Information Theory · Computer Science 2016-11-15 Biao He , Xiangyun Zhou , A. Lee Swindlehurst

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
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