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Research in underwater communication is rapidly becoming attractive due to its various modern applications. An efficient mechanism to secure such communication is via physical layer security. In this paper, we propose a novel physical layer…

Signal Processing · Electrical Eng. & Systems 2023-03-14 Waqas Aman , Saif Al-Kuwari , Marwa Qaraqe

The physical-layer security issue in the multiple non-regenerative wireless-powered relay (WPR) networks is investigated in this letter, where the idle relay is treated as a potential eavesdropper. To guarantee secure communication, the…

Information Theory · Computer Science 2015-07-08 Mingxiong Zhao , Xiangfeng Wang , Suili Feng

Unmanned aerial vehicles (UAVs), as aerial base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such as extended reality, require…

Information Theory · Computer Science 2021-04-28 Javad Sabzehali , Vijay K. Shah , Harpreet S. Dhillon , Jeffrey H. Reed

This work tackles the physical layer security (PLS) problem of maximizing the secrecy rate in heterogeneous UAV networks (HetUAVNs) under propulsion energy constraints. Unlike prior studies that assume uniform UAV capabilities or overlook…

Networking and Internet Architecture · Computer Science 2025-07-24 Lijie Zheng , Ji He , Shih Yu Chang , Yulong Shen , Dusit Niyato

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

Recent researches show that millimeter wave (mmWave) communications can offer orders of magnitude increases in the cellular capacity. However, the secrecy performance of a mmWave cellular network has not been investigated so far. Leveraging…

Information Theory · Computer Science 2016-04-27 Chao Wang , Hui-Ming Wang

In this paper, we study the physical layer security (PLS) problem in the dual hop orthogonal frequency division multiplexing (OFDM) based wireless communication system. First, we consider a single user single relay system and study a joint…

Information Theory · Computer Science 2018-03-15 Waqas Aman , Guftaar Ahmad Sardar Sidhu , Haji M. Furqan , Zain Ali

Sixth-Generation (6G) wireless networks aim to support innovative Internet-of-Things (IoT) applications that demand faster and more secure data transmission. While higher Open Systems Interconnection (OSI) layers employ measures like…

Signal Processing · Electrical Eng. & Systems 2025-06-30 Dimitris Kompostiotis , Dimitris Vordonis , Vassilis Paliouras , George C. Alexandropoulos

To ensure secure and reliable communication in wireless systems, authenticating the identities of numerous nodes is imperative. Traditional cryptography-based authentication methods suffer from issues such as low compatibility, reliability,…

Cryptography and Security · Computer Science 2024-12-04 Rui Meng , Bingxuan Xu , Xiaodong Xu , Mengying Sun , Bizhu Wang , Shujun Han , Suyu Lv , Ping Zhang

This paper investigates the physical layer security (PLS) of a broadband in-home power line communication (PLC) system when a malicious wireless device tries to eavesdrop private messages exchanged between two PLC devices. Such a security…

Signal Processing · Electrical Eng. & Systems 2020-12-30 Ândrei Camponogara , H. Vincent Poor , Moisés V. Ribeiro

Due to the constraints on power supply and limited encryption capability, data security based on physical layer security (PLS) techniques in backscatter communications has attracted a lot of attention. In this work, we propose to enhance…

Networking and Internet Architecture · Computer Science 2024-02-21 Chi Jin , Zheng Chang , Fengye Hu , Hsiao-Hwa Chen , Timo Hamalainen

The high directionality of millimeter-wave (mmWave) communication systems has proven effective in reducing the attack surface against eavesdropping, thus improving the physical layer security. However, even with highly directional beams,…

Signal Processing · Electrical Eng. & Systems 2023-09-20 Afifa Ishtiaq , Arash Asadi , Ladan Khaloopour , Waqar Ahmed , Vahid Jamali , Matthias Hollick

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

Caching popular contents is a promising way to offload the mobile data traffic in wireless networks, but so far the potential advantage of caching in improving physical layer security (PLS) is rarely considered. In this paper, we contribute…

Information Theory · Computer Science 2017-11-15 Wu Zhao , Zhiyong Chen , Kuikui Li , Bin Xia

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

Wireless networks with directional antennas, like millimeter wave (mmWave) networks, have enhanced security. For a large-scale mmWave ad hoc network in which eavesdroppers are randomly located, however, eavesdroppers can still intercept the…

Information Theory · Computer Science 2017-02-16 Yongxu Zhu , Lifeng Wang , Kai-Kit Wong , Robert W. Heath

In this paper, we investigate physical-layer security (PLS) methods for proximity-based group-key establishment and proof of location. Fields of application include secure car-to-car communication, privacy-preserving and secure distance…

Cryptography and Security · Computer Science 2021-09-30 Pascal Zimmer , Roland Weinreich , Christian T. Zenger , Aydin Sezgin , Christof Paar

The non-orthogonal multiple access (NOMA) and millimeter-wave (mmWave) transmission enable the unmanned aerial vehicle (UAV) assisted wireless networks to provide broadband connectivity over densely packed urban areas. The presence of…

Information Theory · Computer Science 2020-12-04 Yavuz Yapici , Nadisanka Rupasinghe , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyan

Physical layer authentication (PLA) uses inherent characteristics of the communication medium to provide secure and efficient authentication in wireless networks, bypassing the need for traditional cryptographic methods. With advancements…

Cryptography and Security · Computer Science 2025-08-14 Clifton Paul Robinson , Salvatore D'Oro , Tommaso Melodia

Wireless data communications are always facing the risk of eavesdropping and interception. Conventional protection solutions which are based on encryption may not always be practical as is the case for wireless IoT networks or may soon…

Networking and Internet Architecture · Computer Science 2024-03-18 Sayed Amir Hoseini , Faycal Bouhafs , Neda Aboutorab , Parastoo Sadeghi , Frank den Hartog