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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

Many security techniques working at the physical layer need a correct channel state information (CSI) at the transmitter, especially when devices are equipped with multiple antennas. Therefore such techniques are vulnerable to pilot…

Information Theory · Computer Science 2016-09-09 Stefano Tomasin , Ingmar Land , Frédéric Gabry

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

This demonstration presents Digital-Physical Adversarial Attacks (DiPA), a new class of practical adversarial attacks against pervasive camera-based authentication systems, where an attacker displays an adversarial patch directly on a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Victoria Leonenkova , Ekaterina Shumitskaya , Dmitriy Vatolin , Anastasia Antsiferova

Motivated by the need to hide the complexity of the physical layer from performance analysis in a layer 2 protocol, a class of abstract receivers, called Poisson receivers, was recently proposed in [1] as a probabilistic framework for…

Networking and Internet Architecture · Computer Science 2025-07-17 Tzu-Hsuan Liu , Che-Hao Yu , Yi-Jheng Lin , Cheng-Shang Chang , Duan-Shin Lee

Remote and resource-constrained Internet-of-Things (IoT) deployments often lack terrestrial connectivity for task offloading, motivating non-terrestrial networks (NTNs) with onboard multiaccess edge computing (MEC) capabilities.…

Physical adversarial attacks in object detection have attracted increasing attention. However, most previous works focus on hiding the objects from the detector by generating an individual adversarial patch, which only covers the planar…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Donghua Wang , Tingsong Jiang , Jialiang Sun , Weien Zhou , Xiaoya Zhang , Zhiqiang Gong , Wen Yao , Xiaoqian Chen

The Internet of Things (IoT) is ubiquitous thanks to the rapid development of wireless technologies. However, the broadcast nature of wireless transmissions results in great vulnerability to device authentication. Physical layer…

Machine Learning · Computer Science 2026-03-24 Yijia Guo , Junqing Zhang , Y. -W. Peter Hong

Effective attribution of Advanced Persistent Threats (APTs) increasingly hinges on the ability to correlate behavioral patterns and reason over complex, varied threat intelligence artifacts. We present AURA (Attribution Using…

Cryptography and Security · Computer Science 2025-06-13 Nanda Rani , Sandeep Kumar Shukla

Advanced Patch Attacks (PAs) on object detection in natural images have pointed out the great safety vulnerability in methods based on deep neural networks. However, little attention has been paid to this topic in Optical Remote Sensing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Xuxiang Sun , Gong Cheng , Lei Pei , Hongda Li , Junwei Han

Non-orthogonal multiple access (NOMA) is an efficient approach that can improve spectrum utilization and support massive connectivity for next-generation wireless networks. However, over a wireless channel, the superimposed NOMA signals are…

Information Theory · Computer Science 2020-10-26 Lu Lv , Hai Jiang , Zhiguo Ding , Qiang Ye , Naofal Al-Dhahir , Jian Chen

In recent years, the popularity of fingerprint-based biometric authentication systems significantly increased. However, together with many advantages, biometric systems are still vulnerable to presentation attacks (PAs). In particular, this…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Jascha Kolberg , Marcel Grimmer , Marta Gomez-Barrero , Christoph Busch

Generalist web agents have demonstrated remarkable potential in autonomously completing a wide range of tasks on real websites, significantly boosting human productivity. However, web tasks, such as booking flights, usually involve users'…

Cryptography and Security · Computer Science 2025-03-14 Zeyi Liao , Lingbo Mo , Chejian Xu , Mintong Kang , Jiawei Zhang , Chaowei Xiao , Yuan Tian , Bo Li , Huan Sun

Physical layer security (PLS) is critically important for emerging wireless communication networks to maintain the confidentiality of the information of legitimate users. In this paper, we investigate enhancing PLS in an unmanned aerial…

Information Theory · Computer Science 2018-12-05 Nadisanka Rupasinghe , Yavuz Yapici , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyan

Learning With Opponent-Learning Awareness (LOLA) (Foerster et al. [2018a]) is a multi-agent reinforcement learning algorithm that typically learns reciprocity-based cooperation in partially competitive environments. However, LOLA often…

Machine Learning · Computer Science 2022-10-20 Stephen Zhao , Chris Lu , Roger Baker Grosse , Jakob Nicolaus Foerster

This letter proposes a platform-aware framework to characterize wireless links by empirically modeling the `near-platform' scattering and reflections induced by the hardware mounting structures of both endpoints. We model the link…

Signal Processing · Electrical Eng. & Systems 2026-03-12 Mushfiqur Rahman , Ismail Guvenc , Jason A. Abrahamson , Arupjyoti Bhuyan

We propose an intuitive, simple and hardware friendly, yet surprisingly novel and efficient, received signal's angle of arrival (AoA) estimation scheme. Our intuitive, two-phases cross-correlation based scheme relies on a switched beam…

Systems and Control · Computer Science 2014-09-22 Ahmed Badawy , Tamer Khattab , Daniele Trinchero , Tarek El Fouly , Amr Mohamed

Despite the impressive achievements of Deep Neural Networks (DNNs) in computer vision, their vulnerability to adversarial attacks remains a critical concern. Extensive research has demonstrated that incorporating sophisticated perturbations…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Hui Wei , Hao Tang , Xuemei Jia , Zhixiang Wang , Hanxun Yu , Zhubo Li , Shin'ichi Satoh , Luc Van Gool , Zheng Wang

Various approaches in the field of physical layer security involve anomaly detection, such as physical layer authentication, sensing attacks, and anti-tampering solutions. Depending on the context in which these approaches are applied,…

Information Theory · Computer Science 2025-06-13 Stefan Roth , Aydin Sezgin

The capabilities of multi-antenna technology have recently been significantly enhanced by the proliferation of extra large array architectures. The high dimensionality of these systems implies that communications take place in the nearfield…

Information Theory · Computer Science 2024-12-11 Xavier Mestre , Adrian Agustin , David Sarda