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Physical layer deception (PLD) is a novel security mechanism that combines physical layer security (PLS) with deception technologies to actively defend against eavesdroppers. In this paper, we establish a novel semantic model for PLD that…

Information Theory · Computer Science 2024-10-08 Bin Han , Yao Zhu , Anke Schmeink , Giuseppe Caire , Hans D. Schotten

The security of wireless challenge-response Physical Layer Authentication (PLA) based on Orthogonal Frequency Division Multiplexing (OFDM) relies on a sufficiently random fading channel condition, which is commonly assumed in existing…

Networking and Internet Architecture · Computer Science 2026-05-11 Haiyun Liu , Shangqing Zhao , Yao Liu , Zhuo Lu

The physical layer describes how communication signals are encoded and transmitted across a channel. Physical security often requires either restricting access to the channel or performing periodic manual inspections. In this tutorial, we…

Quantum Physics · Physics 2014-07-18 Travis S. Humble

In this work, novel physical layer security (PLS) schemes are proposed for orthogonal frequency-division multiplexing (OFDM) to secure both data and pilots. The majority of previous studies focus on only securing the data without…

Signal Processing · Electrical Eng. & Systems 2021-10-25 Salah Eddine Zegrar , Haji M. Furqan , Huseyin Arslan

This paper applies channel sounding measurements to enable physical-layer security coding. The channel measurements were acquired in an indoor environment and used to assess the secrecy capacity as a function of physical location. A variety…

Cryptography and Security · Computer Science 2018-11-19 Benjamin Jensen , Bradford Clark , Dakota Flanary , Kalin Norman , Michael Rice , Willie K. Harrison

The identification of the devices from which a message is received is part of security mechanisms to ensure authentication in wireless communications. Conventional authentication approaches are cryptography-based, which, however, are…

Cryptography and Security · Computer Science 2025-06-12 Junqing Zhang , Francesco Ardizzon , Mattia Piana , Guanxiong Shen , Stefano Tomasin

In a spoofing attack, an attacker impersonates a legitimate user to access or modify data belonging to the latter. Typical approaches for spoofing detection in the physical layer declare an attack when a change is observed in certain…

Signal Processing · Electrical Eng. & Systems 2023-10-18 Daniel Romero , Tien Ngoc Ha , Peter Gerstoft

Recently, Physical Layer Authentication (PLA) has attracted much attention since it takes advantage of the channel randomness nature of transmission media to achieve communication confidentiality and authentication. In the complex…

Signal Processing · Electrical Eng. & Systems 2025-08-12 Rui Meng , Xiaodong Xu , Bizhu Wang , Hao Sun , Shida Xia , Shujun Han , Ping Zhang

Recently, Artificial Intelligence (AI)-driven Physical-Layer Authentication (PLA), which focuses on achieving endogenous security and intelligent identity authentication, has attracted considerable interest. When compared with…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Rui Meng , Xiqi Cheng , Song Gao , Xiaodong Xu , Chen Dong , Guoshun Nan , Xiaofeng Tao , Ping Zhang , Tony Q. S. Quek

The broadcasting nature of the wireless medium makes exposure to eavesdroppers a potential threat. Physical Layer Security (PLS) has been widely recognized as a promising security measure complementary to encryption. It has recently been…

Networking and Internet Architecture · Computer Science 2022-06-15 Sayed Amir Hoseini , Parastoo Sadeghi , Faycal Bouhafs , Neda Aboutorab , Frank den Hartog

Ambient backscatter communication (AmBC) has become an integral part of ubiquitous Internet of Things (IoT) applications due to its energy-harvesting capabilities and ultra-low-power consumption. However, the open wireless environment…

Cryptography and Security · Computer Science 2025-06-24 Yifan Zhang , Yongchao Dang , Masoud Kaveh , Zheng Yan , Riku Jäntti , Zhu Han

Non-orthogonal multiple access (NOMA) has been viewed as a potential candidate for the upcoming generation of wireless communication systems. Comparing to traditional orthogonal multiple access (OMA), multiplexing users in the same…

Signal Processing · Electrical Eng. & Systems 2023-08-14 Saeid Pakravan , Jean-Yves Chouinard , Xingwang Li , Ming Zeng , Wanming Hao , Quoc-Viet Pham , Octavia A. Dobre

Pinching antenna (PA) systems have recently gained significant attention. While their physical-layer security (PLS) is being explored, most studies rely on idealized lossless models, ignoring practical waveguide attenuation. In this paper,…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Xiaochen Zhang , Haitao Du , Yanyu Cheng , Yushen Lin , Kah Chan Teh

Physical layer security is a field of study that continues to gain importance over time. It encompasses a range of algorithms applicable to various aspects of communication systems. While research in the physical layer has predominantly…

Signal Processing · Electrical Eng. & Systems 2023-07-17 Pol Henarejos , Ana I. Pérez-Neira

Ultra-reliable and low-latency communication (URLLC) is one category of service to be provided by next-generation wireless networks. Motivated by increasing security concerns in such networks, this article focuses on physical layer security…

Information Theory · Computer Science 2019-06-21 Riqing Chen , Chunhui Li , Shihao Yan , Robert Malaney , Jinhong Yuan

The future 6G-enabled IoT will facilitate seamless global connectivity among ubiquitous wireless devices, but this advancement also introduces heightened security risks such as spoofing attacks. Physical-Layer Authentication (PLA) has…

Signal Processing · Electrical Eng. & Systems 2025-04-08 Rui Meng , Fangzhou Zhu , Xiqi Cheng , Xiaodong Xu , Bizhu Wang , Chen Dong , Bingxuan Xu , Xiaofeng Tao , Ping Zhang

With millimeter wave (mmWave) wireless communication envisioned to be the key enabler of next generation high data rate wireless networks, security is of paramount importance. While conventional security measures in wireless networks…

Cryptography and Security · Computer Science 2019-02-12 Sarankumar Balakrishnan , Shreya Gupta , Arupjyoti Bhuyan , Pu Wang , Dimitrios Koutsonikolas , Zhi Sun

Physical Layer Security (PLS) is an emerging concept in the field of secrecy for wireless communications that can be used alongside cryptography to prevent unauthorized devices from eavesdropping a legitimate transmission. It offers low…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Leonardo Barbosa da Silva , Evelio Martín Garcia Fernández , Ândrei Camponogara

Current security techniques can be implemented either by requiring a secret key exchange or depending on assumptions about the communication channels. In this paper, we show that, by using a physical layer technique known as artificial…

Information Theory · Computer Science 2013-11-05 Shuiyin Liu , Yi Hong , Emanuele Viterbo

Physical layer security is an emerging technique to improve the wireless communication security, which is widely regarded as a complement to cryptographic technologies. To design physical layer security techniques under practical scenarios,…

Information Theory · Computer Science 2013-07-22 Biao He , Xiangyun Zhou , Thushara D. Abhayapala