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Radio frequency (RF) fingerprinting, which extracts unique hardware imperfections of radio devices, has emerged as a promising physical-layer device identification mechanism in zero trust architectures and beyond 5G networks. In particular,…

Cryptography and Security · Computer Science 2026-05-28 Xinyu Cao , Bimal Adhikari , Shangqing Zhao , Jingxian Wu , Yanjun Pan

In a DDoS attack (Distributed Denial of Service), an attacker gains control of many network users through a virus. Then the controlled users send many requests to a victim, leading to its resources being depleted. DDoS attacks are hard to…

Data Structures and Algorithms · Computer Science 2022-10-14 Konstanty Junosza-Szaniawski , Dariusz Nogalski , Paweł Rzążewski

We propose a robust spectrum sensing framework based on deep learning. The received signals at the secondary user's receiver are filtered, sampled and then directly fed into a convolutional neural network. Although this deep sensing is…

Information Theory · Computer Science 2019-08-05 Qihang Peng , Andrew Gilman , Nuno Vasconcelos , Pamela C. Cosman , Laurence B. Milstein

Direct-conversion radio (DCR) receivers can offer highly integrated low-cost hardware solutions for spectrum sensing in cognitive radio systems. However, DCR receivers are susceptible to radio frequency (RF) impairments, such as in-phase…

Information Theory · Computer Science 2015-10-23 Alexandros-Apostolos A. Boulogeorgos , Nestor D. Chatzidiamantis , George K. Karagiannidis

We propose a new adversarial attack on frequency-hopping based wireless communication between two users, namely Alice and Bob. In this attack, the adversary, referred to as Eve, instantaneously modifies the transmitted signal by Alice…

Information Theory · Computer Science 2019-03-28 J. Harshan , Yih-Chun Hu

Wireless networks are vulnerable to jamming attacks due to the shared communication medium, which can severely degrade performance and disrupt services. Despite extensive research, current jamming detection methods often rely on simulated…

Networking and Internet Architecture · Computer Science 2025-07-16 Ioannis Panitsas , Yagmur Yigit , Leandros Tassiulas , Leandros Maglaras , Berk Canberk

This article investigates the resilient control problem for Cyber-Physical Systems (CPSs) with multiple sensors, where both sides of the communication channels are affected by Denial-of-Service (DoS) attacks. While previous work focused on…

Systems and Control · Electrical Eng. & Systems 2025-02-13 Anindya Basu , Indrani Kar

Dynamic Source Routing (DSR) is a well known source routing protocol for ad hoc networks. The algorithm depends on the cooperative participation of the nodes that enables route discovery from a source node to a destination node. However, if…

Cryptography and Security · Computer Science 2012-09-09 Jaydip Sen

Wireless devices need spectrum to communicate. With the increase in the number of devices competing for the same spectrum, it has become nearly impossible to support the throughput requirements of all the devices through current spectrum…

Networking and Internet Architecture · Computer Science 2021-11-23 Aniq Ur Rahman , Mustafa A. Kishk , Mohamed-Slim Alouini

Advanced packaging and chiplet-based integration are increasingly adopted to build complex heterogeneous systems beyond the limits of monolithic scaling. While these architectures offer major benefits in terms of modularity, yield, and…

Cryptography and Security · Computer Science 2026-05-11 Giorgio Di Natale , Christelle Rabache , Pierre-Louis Hellier , Florence Podevin , Sylvain Bourdel , Romain Siragusa , Paolo Maistri

Deep learning (DL) is becoming popular as a new tool for many applications in wireless communication systems. However, for many classification tasks (e.g., modulation classification) it has been shown that DL-based wireless systems are…

Information Theory · Computer Science 2021-01-29 B. R. Manoj , Meysam Sadeghi , Erik G. Larsson

This paper proposes a novel, non-linear collusion attack on digital fingerprinting systems. The attack is proposed for fingerprinting systems with finite alphabet but can be extended to continuous alphabet. We analyze the error probability…

Cryptography and Security · Computer Science 2016-04-28 Jalal Etesami , Negar Kiyavash

Software-defined networking (SDN) is a promising technology to overcome many challenges in wireless sensor networks (WSN), particularly with respect to flexibility and reuse. Conversely, the centralization and the planes' separation turn…

Cryptography and Security · Computer Science 2020-03-27 Gustavo A. Nunez Segura , Sotiris Skaperas , Arsenia Chorti , Lefteris Mamatas , Cintia Borges Margi

Deep neural networks (DNNs) have gain its popularity in various scenarios in recent years. However, its excellent ability of fitting complex functions also makes it vulnerable to backdoor attacks. Specifically, a backdoor can remain hidden…

Cryptography and Security · Computer Science 2023-05-18 Xinrui Liu , Yu-an Tan , Yajie Wang , Kefan Qiu , Yuanzhang Li

In this paper, we consider networked distributed systems in the presence of Denial-of-Service (DoS) attacks, namely attacks that prevent transmissions over the communication network. First, we consider a simple and typical scenario where…

Systems and Control · Computer Science 2017-09-19 Shuai Feng , Pietro Tesi , Claudio De Persis

This paper investigates the physical layer security of a Reconfigurable Intelligent Surface (RIS)-aided wireless network in the presence of full-duplex active eavesdropping. In this scenario, the RIS cooperates with the Base Station (BS) to…

Information Theory · Computer Science 2024-11-28 Atefeh Zakeri , S. Mohammad Razavizadeh

Deep neural networks (DNNs) have achieved tremendous success in many tasks of machine learning, such as the image classification. Unfortunately, researchers have shown that DNNs are easily attacked by adversarial examples, slightly…

Computer Vision and Pattern Recognition · Computer Science 2017-11-17 Yujia Liu , Weiming Zhang , Shaohua Li , Nenghai Yu

This work is concerned with a direct sampling method (DSM) for inverse acoustic scattering problems using far-field data. The method characterizes some unknown obstacles, inhomogeneous media or cracks, directly through an indicator function…

Mathematical Physics · Physics 2012-12-27 Jingzhi Li , Jun Zou

A group of $n$ users want to run a distributed protocol $\pi$ over a network where communication occurs via private point-to-point channels. Unfortunately, an adversary, who knows $\pi$, is able to maliciously flip bits on the channels. Can…

Cryptography and Security · Computer Science 2017-07-26 Abhinav Aggarwal , Varsha Dani , Thomas P. Hayes , Jared Saia

We have proposed a quasi-large random-sequence (QLRS) CDMA where K users access a point through a common channel with spectral spreading factor N. Each bit is extended by a temporal spreading factor B and hopped on a BN-chip random sequence…

Information Theory · Computer Science 2008-02-26 Yi Sun