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As drones are increasingly used in various civilian applications, the security of drone communications is a growing concern. In this context, we propose novel strategies for challenge-response physical layer authentication (CR-PLA) of drone…

Signal Processing · Electrical Eng. & Systems 2025-04-08 Mattia Piana , Francesco Ardizzon , Stefano Tomasin

Drone Remote Identification (RID) plays a critical role in low-altitude airspace supervision, yet its broadcast nature and lack of cryptographic protection make it vulnerable to spoofing and replay attacks. In this paper, we propose a…

Cryptography and Security · Computer Science 2026-03-02 Jie Li , Jing Li , Lu Lv , Zhanyu Ju , Fengkui Gong

User authentication in future wireless communication networks is expected to become more complicated due to their large scale and heterogeneity. Furthermore, the computational complexity of classical cryptographic approaches based on public…

Signal Processing · Electrical Eng. & Systems 2024-04-22 Atsu Kokuvi Angélo Passah , Rodrigo C. de Lamare , Arsenia Chorti

This paper presents a physical layer authentication (PLA) technique using information reconciliation in multiuser communication systems. A cost-effective solution for low-end Internet of Things networks can be provided by PLA. In this work,…

Cryptography and Security · Computer Science 2025-05-19 Atsu Kokuvi Angélo Passah , Arsenia Chorti , Rodrigo C. de Lamare

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

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

Physical Layer Authentication (PLA) exploits the spatial uniqueness of wireless channel characteristics in order to authenticate devices without recourse to higher-layer cryptographic protocols, which remain vulnerable to key compromise.…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Sachinkumar B. Mallikarjun , Marvin Reski , Andreas Weinand , Hans D. Schotten

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

Tag-based Physical-Layer Authentication (PLA) has attracted significant attention in recent years due to its low complexity, high security, and low latency. Traditional tag-based PLA schemes typically estimate tags by decoding the message…

Information Theory · Computer Science 2026-04-09 Lei Yao , Boxiang He , Shilian Wang , Enyu Shi , Chau Yuen

We propose a comprehensive framework exploiting the polarization sensitive array (PLA) to improve the physical layer security of wireless communications. More specifically, the polarization difference among signals is utilized to improve…

Information Theory · Computer Science 2017-10-03 Shiqi Gong , Chengwen Xing , Sheng Chen , Zesong Fei

We study the detection and delay performance impacts of a feature-based physical layer authentication (PLA) protocol in mission-critical machine-type communication (MTC) networks. The PLA protocol uses generalized likelihood-ratio testing…

Cryptography and Security · Computer Science 2018-06-28 Henrik Forssell , Ragnar Thobaben , Hussein Al-Zubaidy , James Gross

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

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

In this paper, we investigate the utilization of the angle of arrival (AoA) as a feature for robust physical layer authentication (PLA). While most of the existing approaches to PLA focus on common features of the physical layer of…

Cryptography and Security · Computer Science 2025-03-17 Thuy M. Pham , Linda Senigagliesi , Marco Baldi , Rafael F. Schaefer , Gerhard P. Fettweis , Arsenia Chorti

Re-configurable Intelligent Surfaces (RIS) technology is increasingly becoming a potential component for next-generation wireless networks, offering enhanced performance in terms of throughput, spectral, and energy efficiency. However, the…

Cryptography and Security · Computer Science 2024-05-03 Hala Amin , Waqas Aman , Saif Al-Kuwari

This letter proposes a new physical layer authentication mechanism operating at the physical layer of a communication system where the receiver has partial control of the channel conditions (e.g., using an intelligent reflecting surface).…

Information Theory · Computer Science 2025-01-30 Laura Crosara , Mahtab Mirmohseni , Stefano Tomasin

The physical layer authentication (PLA) is a promising technology which can enhance the access security of a massive number of devices in the near future. In this paper, we propose a reconfigurable intelligent surface (RIS)-assisted PLA…

Cryptography and Security · Computer Science 2024-03-08 Ning Gao , Shuchen Meng , Cen Li , Shengguo Meng , Wankai Tang , Shi Jin , Michail Matthaiou

Backscatter communication (BC) emerges as a pivotal technology for ultra-low-power energy harvesting applications, but its practical deployment is often hampered by notable security vulnerabilities. Physical layer authentication (PLA)…

Information Theory · Computer Science 2024-10-07 Masoud Kaveh , Farshad Rostami Ghadi , Yishan Yang , Zheng Yan , Riku Jantti

We propose an adversarially robust physical layer authentication (AR-PLA) framework tailored for non-stationary multiple-input multiple-output (MIMO) wireless channels. The framework integrates sequential Bayesian decision-making, deep…

Backscattering tag-to-tag networks (BTTNs) are emerging passive radio frequency identification (RFID) systems that facilitate direct communication between tags using an external RF field and play a pivotal role in ubiquitous Internet of…

Cryptography and Security · Computer Science 2025-01-22 Masoud Kaveh , Farshad Rostami Ghadi , Yifan Zhang , Zheng Yan , Riku Jäntti
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