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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

The escalating data rate demands of future wireless communications necessitate the deployment of extremely large aperture arrays (ELAAs) in communication systems. Acquiring accurate channel state information is crucial to execute effective…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Heling Zhang , Shidong Zhou

Covert communications enable a transmitter to send information reliably in the presence of an adversary, who looks to detect whether the transmission took place or not. We consider covert communications over quasi-static block fading…

Information Theory · Computer Science 2020-09-29 Khurram Shahzad , Xiangyun Zhou

Global navigation satellite systems (GNSS) are vulnerable to spoofing attacks, with adversarial signals manipulating the location or time information of receivers, potentially causing severe disruptions. The task of discerning the spoofing…

Cryptography and Security · Computer Science 2025-05-12 Wenjie Liu , Panos Papadimitratos

With the rapid evolution of wireless technologies, Wi-Fi has expanded beyond its original role in data transmission to support various emerging applications, particularly in physical-layer security, including device authentication, user…

Cryptography and Security · Computer Science 2026-04-07 Jingzhe Zhang , Yitong Shen , Ning Wang , Yili Ren

The accuracy of channel state information (CSI) is critical for improving the capacity of wireless networks. In this paper, we introduce a training protocol for wireless relay networks that uses channel estimation and feedforwarding…

Information Theory · Computer Science 2011-01-18 Cenk M. Yetis , Ahmet H. Kayran

This paper develops a gradient-based meta-learning framework for real-time control of waveguided pinching-antenna systems under user-location uncertainty and physical-layer security (PLS) constraints. A probabilistic system model is…

Signal Processing · Electrical Eng. & Systems 2026-01-05 Khalid T. Musri , Akram Y. Sarhan , Osamah A. Abdullah , Hayder Al-Hraishawi

The channel hardening effect is less pronounced in the cell-free massive multiple-input multiple-output (mMIMO) system compared to its cellular counterpart, making it necessary to estimate the downlink effective channel gains to ensure…

Information Theory · Computer Science 2024-04-12 Weiyang Xu , Ruiguang Wang , Yuan Zhang , Hien Quoc Ngo , Wei Xiang

Prevailing fingerprint recognition systems are vulnerable to spoof attacks. To mitigate these attacks, automated spoof detectors are trained to distinguish a set of live or bona fide fingerprints from a set of known spoof fingerprints.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Joshua J. Engelsma , Anil K. Jain

Nowadays, copy detection patterns (CDP) appear as a very promising anti-counterfeiting technology for physical object protection. However, the advent of deep learning as a powerful attacking tool has shown that the general authentication…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Joakim Tutt , Olga Taran , Roman Chaban , Brian Pulfer , Yury Belousov , Taras Holotyak , Slava Voloshynovskiy

Accurate channel modeling in real-time faces remarkable challenge due to the complexities of traditional methods such as ray tracing and field measurements. AI-based techniques have emerged to address these limitations, offering rapid,…

This paper studies a new active eavesdropping technique via the so-called spoofing relay attack, which could be launched by the eavesdropper to significantly enhance the information leakage rate from the source over conventional passive…

Information Theory · Computer Science 2015-09-30 Yong Zeng , Rui Zhang

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

Due to the broadcast nature of wireless medium, wireless communication is extremely vulnerable to eavesdropping attack. Physical-layer security is emerging as a new paradigm to prevent the eavesdropper from interception by exploiting the…

Information Theory · Computer Science 2016-11-17 Yulong Zou , Xianbin Wang , Weiming Shen

Next-generation systems aim to increase both the speed and responsiveness of wireless communications, while supporting compelling applications such as edge and cloud computing, remote-Health, vehicle-to-infrastructure communications, etc.…

Signal Processing · Electrical Eng. & Systems 2021-09-21 Zhongxiang Wei , Christos Masouros , H. Vincent Poor , Athina P. Petropulu , Lajos Hanzo

Due to the broadcast nature of wireless medium, wireless communication is highly vulnerable to eavesdropping attack. Traditionally, secure wireless data transmission has relied on cryptographic techniques at the network layer which incur…

Information Theory · Computer Science 2018-06-08 Binh Van Nguyen , Hyoyoung Jung , Kiseon Kim

This paper presents a novel data-driven framework to aid in system state estimation when the power system is under unobservable false data injection attacks. The proposed framework dynamically detects and classifies false data injection…

Machine Learning · Computer Science 2022-12-02 Ehsan Hallaji , Roozbeh Razavi-Far , Meng Wang , Mehrdad Saif , Bruce Fardanesh

Accurate channel state information (CSI) underpins reliable and efficient wireless communication. However, acquiring CSI via pilot estimation incurs substantial overhead, especially in massive multiple-input multiple-output (MIMO) systems…

Information Theory · Computer Science 2025-12-05 Guangming Liang , Mingjie Yang , Dongzhu Liu , Paul Henderson , Lajos Hanzo

In this work, we focus on the classical optical channel having Poissonian statistical behavior and propose a novel secrecy coding-based physical layer protocol. Our protocol is different but complementary to both (computationally secure)…

Cryptography and Security · Computer Science 2022-04-26 Masahito Hayashi , Angeles Vazquez-Castro

The necessity of accurate channel estimation for Successive and Parallel Interference Cancellation is well known. Iterative channel estimation and channel decoding (for instance by means of the Expectation-Maximization algorithm) is…

Information Theory · Computer Science 2016-11-17 Francisco Lazaro Blasco , Francesco Rossetto