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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

Accurate 3D localization is essential for realizing advanced sensing functionalities in next-generation Wi-Fi communication systems. This study investigates the potential of multistatic localization in Wi-Fi networks through the deployment…

Systems and Control · Electrical Eng. & Systems 2025-05-28 Fuhai Wang , Zhe Li , Rujing Xiong , Tiebin Mi , Robert Caiming Qiu

Near-field beamfocusing with extremely large aperture arrays can effectively enhance physical layer security. Nevertheless, even small estimation errors of the eavesdropper's location may cause a pronounced focal shift, resulting in a…

Information Theory · Computer Science 2026-05-04 Shicong Liu , Xianghao Yu , Robert Schober

Integrated Sensing and Communication (ISAC) is a crucial component of future wireless networks, enabling seamless integration of Communication and Sensing (C\&S) functionalities. However, ensuring security in ISAC systems remains a…

Signal Processing · Electrical Eng. & Systems 2025-03-25 Yongxiao Li , Feroz Khan , Manzoor Ahmed , Aized Amin Soofi , Wali Ullah Khan , Chandan Kumar Sheemar , Muhammad Asif , Zhu Han

A continuous-aperture array (CAPA)-based secure transmission framework is proposed to enhance physical layer security. Continuous current distributions, or beamformers, are designed to maximize the secrecy transmission rate under a power…

Information Theory · Computer Science 2026-04-03 Boqun Zhao , Chongjun Ouyang , Xingqi Zhang , Yuanwei Liu

The heterogeneous cellular network (HCN) is a promising approach to the deployment of 5G cellular networks. This paper comprehensively studies physical layer security in a multi-tier HCN where base stations (BSs), authorized users and…

Information Theory · Computer Science 2016-01-08 Hui-Ming Wang , Tong-Xing Zheng , Jinhong Yuan , Don Towsley , Moon Ho Lee

This paper investigates the outage probability and the throughput of relay networks with wireless information and energy transfer where the relays harvest energy from the transmitted radio-frequency signal of the source. Considering…

Information Theory · Computer Science 2016-07-26 Mahdi Haghifam , Behrooz Makki , Masoumeh Nasiri-Kenari , Tommy Svensson

Physical layer security (PLS) techniques can help to protect wireless networks from eavesdropper attacks. In this paper, we consider the authentication technique that uses fingerprint embedding to defend 5G cellular networks with unmanned…

Signal Processing · Electrical Eng. & Systems 2020-11-03 Sung Joon Maeng , Yavuz Yapıcı , İsmail Güvenç , Huaiyu Dai , Arupjyoti Bhuyan

This paper maximizes the achievable throughput of a relay-assisted wirelessly powered communications system, where an energy constrained source, helped by an energy constrained relay and both powered by a dedicated power beacon (PB),…

Information Theory · Computer Science 2016-11-17 Caijun Zhong , Gan Zheng , Zhaoyang Zhang , George K. Karagiannidis

This paper deals with distributed beamforming techniques for wireless networks with half-duplex amplify-and-forward relays. Existing schemes optimize the beamforming weights based on the assumption that channel state information (CSI) is…

Information Theory · Computer Science 2016-11-18 Peter Fertl , Ari Hottinen , Gerald Matz

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

In this paper, a novel continuous-aperture array (CAPA)-based wireless communication architecture is proposed, which relies on an electrically large aperture with a continuous current distribution. First, an existing prototype of CAPA is…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Yuanwei Liu , Chongjun Ouyang , Zhaolin Wang , Jiaqi Xu , Xidong Mu , Zhiguo Ding

This paper considers machine learning for physical layer security design for communication in a challenging wireless environment. The radio environment is assumed to be programmable with the aid of a meta material-based intelligent…

Signal Processing · Electrical Eng. & Systems 2021-02-23 Yizhuo Song , Muhammad R. A. Khandaker , Faisal Tariq , Kai-Kit Wong , Apriana Toding

When two or more users in a wireless network transmit simultaneously, their electromagnetic signals are linearly superimposed on the channel. As a result, a receiver that is interested in one of these signals sees the others as unwanted…

Information Theory · Computer Science 2011-03-01 Bobak Nazer , Michael Gastpar

For the 6G wireless networks, achieving high-performance integrated localization and communication (ILAC) is critical to unlock the full potential of wireless networks. To simultaneously enhance localization and communication performance…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Hongqi Min , Xinrui Li , Ruoguang Li , Yong Zeng

Extremely large-scale antenna array (ELAA) systems emerge as a promising technology in beyond 5G and 6G wireless networks to support the deployment of distributed architectures. This paper explores the use of ELAAs to enable joint…

This paper investigates the potential of unmanned aerial vehicles (UAVs) equipped with movable-antenna (MA) arrays to strengthen security in wireless communication systems. We propose a novel framework that jointly optimizes the UAV…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Sanghyeok Kim , Jinu Gong , Joonhyuk Kang

As a green and secure wireless transmission method, secure spatial modulation (SM) is becoming a hot research area. Its basic idea is to exploit both the index of activated transmit antenna and amplitude phase modulation signal to carry…

Information Theory · Computer Science 2021-03-10 Feng Shu , Lin Liu , LiLi Yang , Xinyi Jiang , Guiyang Xia , Yuanyuan Wu , Xianpeng Wang , Shi Jin , Jiangzhou Wang , Xiaohu You

Application of range-angle focusing frequency diverse array (FDA) for secure wireless communication has been proposed in recent years. However, it can be proven that the FDAs are not suitable for secure wireless communication and the same…

Signal Processing · Electrical Eng. & Systems 2020-04-21 Mahdi Fartookzadeh

Unmanned Aerial Vehicles (UAVs) are an important component of next-generation wireless networks that can assist in high data rate communications and provide enhanced coverage.Their high mobility and aerial nature offer deployment…

Signal Processing · Electrical Eng. & Systems 2022-09-21 Wali Ullah Khan , Eva Lagunas , Zain Ali , Muhammad Awais Javed , Manzoor Ahmed , Symeon Chatzinotas , Björn Ottersten , Petar Popovski