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Extremely large-scale arrays (XL-arrays) have emerged as a promising technology to improve the spectrum efficiency and spatial resolution of future wireless systems. Different from existing works that mostly considered physical layer…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Tianyu Liu , Changsheng You , Cong Zhou , Yunpu Zhang , Shiqi Gong , Heng Liu , Guangchi Zhang

This paper studies the performance of physical layer security (PLS) in a multi-user hybrid heterogeneous visible light communication (VLC) and radio frequency (RF) wireless communication system with simultaneous lightwave information and…

Systems and Control · Electrical Eng. & Systems 2025-05-20 Tuan A. Hoang , Thanh V. Pham , Chuyen T. Nguyen

Wireless vehicular network (WVN) is exponentially gaining attention from industries and researchers since it is the Keystone of intelligent transportation systems (ITS). Despite the sophisticated features and services that it can offer, it…

Signal Processing · Electrical Eng. & Systems 2020-10-15 Neji Mensi , Danda B. Rawat , Elyes Balti

Wavefront engineering for applications in near-field wireless connectivity is gradually becoming common ground. In this landscape, beams that propagate on bent paths are ideal candidates for dynamic blockage avoidance and suppression of…

Signal Processing · Electrical Eng. & Systems 2026-04-23 Sotiris Droulias , Giorgos Stratidakis , Angeliki Alexiou

Physical layer security has recently been regarded as an emerging technique to complement and improve the communication security in future wireless networks. The current research and development in physical layer security is often based on…

Information Theory · Computer Science 2013-10-02 Biao He , Xiangyun Zhou

In this letter, we investigate enhancing the physical layer security (PLS) for the dual-function radar-communication (DFRC) system with hybrid beamforming (HBF) architecture, where the base station (BS) achieves downlink communication and…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Lingyun Xu , Bowen Wang , Huiyong Li , Ziyang Cheng

Data at the physical layer transmits via media such as copper cable, fiber optic, or wireless. Physical attack vectors exist that challenge data confidentiality and availability. Protocols and encryption standards help obfuscate but often…

Cryptography and Security · Computer Science 2026-01-27 Alon Hillel-Tuch

In the rapidly advancing landscape of 6G, characterized by ultra-high-speed wideband transmission in millimeter-wave and terahertz bands, our paper addresses the pivotal task of enhancing physical layer security (PLS) within near-field…

Signal Processing · Electrical Eng. & Systems 2024-04-23 Yuchen Zhang , Haiyang Zhang , Sa Xiao , Wanbin Tang , Yonina C. Eldar

The 6G wireless networks impose extremely high requirements on physical layer secure communication. However, the existing solutions usually can only achieve one-dimensional physical layer security (PLS) in the angle dimension, and cannot…

Emerging Technologies · Computer Science 2025-11-06 Zhendong Wang , Chenyang Meng , Jun Yang , Jiayuan Wang , Yin Li , Linshan Jiang , Jin Zhang

Non-Orthogonal Multiple Access (NOMA) has been recognized as one of the most significant enabling technologies for future wireless systems due to its eminent spectral efficiency, ability to provide an additional degree of freedom for Ultra…

Signal Processing · Electrical Eng. & Systems 2020-07-14 Haji M. Furqan , Jehad. M. Hamamreh , Huseyin Arslan

Due to its high mobility and flexible deployment, unmanned aerial vehicle (UAV) is drawing unprecedented interest in both military and civil applications to enable agile wireless communications and provide ubiquitous connectivity. Mainly…

Networking and Internet Architecture · Computer Science 2021-05-25 Jue Wang , Xuanxuan Wang , Ruifeng Gao , Chengleyang Lei , Wei Feng , Ning Ge , Shi Jin , Tony Q. S. Quek

This paper provides a comprehensive review of the domain of physical layer security in multiuser wireless networks. The essential premise of physical-layer security is to enable the exchange of confidential messages over a wireless medium…

Information Theory · Computer Science 2016-11-18 Amitav Mukherjee , S. A. A. Fakoorian , Jing Huang , A. Lee Swindlehurst

The integration of sensing and communication enables wireless communication systems to serve environment-aware applications. In this paper, we propose to leverage sensing to enhance physical layer security (PLS) in multiuser communication…

Information Theory · Computer Science 2023-12-27 Dongfang Xu , Yiming Xu , Zhiqiang Wei , Shenghui Song , Derrick Wing Kwan Ng

We establish that during the execution of any Guessing Random Additive Noise Decoding (GRAND) algorithm, an interpretable, useful measure of decoding confidence can be evaluated. This measure takes the form of a log-likelihood ratio (LLR)…

Information Theory · Computer Science 2023-08-11 Ken R. Duffy , Muriel Medard

Physical layer authentication (PLA) is the process of claiming identity of a node based on its physical layer characteristics such as channel fading or hardware imperfections. In this work, we propose a novel PLA method for the…

Signal Processing · Electrical Eng. & Systems 2022-02-18 Ozan Alp Topal , Gunes Karabulut Kurt

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…

In this letter, the use of intelligent reflecting surface (IRS) to enhance the physical layer security of downlink wireless communication is investigated. Assuming a single-antenna legitimate user and a multi-antenna eavesdropper, we…

Signal Processing · Electrical Eng. & Systems 2020-12-07 Keming Feng , Xiao Li , Yu Han , Shi Jin , Yijian Chen

In this paper, we propose a physical layer security (PLS) framework for an intelligent reflecting surface (IRS)-assisted integrated sensing and semantic communication (ISASC) system, where a multi-antenna dual-functional semantic base…

Signal Processing · Electrical Eng. & Systems 2025-07-21 Hamid Amiriara , Mahtab Mirmohseni , Ahmed Elzanaty , Yi Ma , Rahim Tafazolli

Eavesdroppers of wireless signals want to infer as much as possible regarding the transmitter (Tx). Popular methods to minimize information leakage to the eavesdropper include covert communication, directional modulation, and beamforming…

Signal Processing · Electrical Eng. & Systems 2025-03-07 Georgios Chrysanidis , Antonios Argyriou , Le-Nam Tran , Yanming Zhang , Yanwei Liu

Physical layer security (PLS) is a potential solution for secure and reliable transmissions in future Ultra-Reliable and Low-Latency Communications (URLLC). This work jointly optimizes redundant bits and blocklength allocation in practical…

Systems and Control · Electrical Eng. & Systems 2025-11-25 Xinyan Le , Yao Zhu , Yulin Hu , Bin Han