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Instead of against eavesdropping, this letter proposes a new paradigm in wireless security by studying how a legitimate monitor (e.g., government agencies) efficiently eavesdrops a suspicious wireless communication link. The suspicious…

Information Theory · Computer Science 2015-11-05 Jie Xu , Lingjie Duan , Rui Zhang

Graph neural networks (GNNs) have been shown promising in improving the efficiency of learning communication policies by leveraging their permutation properties. Nonetheless, existing works design GNNs only for specific wireless policies,…

Signal Processing · Electrical Eng. & Systems 2023-08-22 Shengjie Liu , Jia Guo , Chenyang Yang

This letter proposes anti-jamming strategies based on pilot retransmission for a single user uplink massive MIMO under jamming attack. A jammer is assumed to attack the system both in the training and data transmission phases. We first…

Information Theory · Computer Science 2016-11-28 Tan Tai Do , Hien Quoc Ngo , Trung Q. Duong , Tobias J. Oechtering , Mikael Skoglund

We consider the uplink of a grant-free cell-free massive multiple-input multiple-output (GF-CF-MaMIMO) system. We propose an algorithm for distributed joint activity detection, channel estimation, and data detection (JACD) based on…

Information Theory · Computer Science 2025-02-03 Christian Forsch , Alexander Karataev , Laura Cottatellucci

Consumer electronics (CE) connected to the Internet of Things are susceptible to various attacks, including DDoS and web-based threats, which can compromise their functionality and facilitate remote hijacking. These vulnerabilities allow…

Cryptography and Security · Computer Science 2026-03-03 Guan-Yan Yang , Farn Wang , Kuo-Hui Yeh

Cell-free massive MIMO (CF-mMIMO) networks have recently emerged as a promising solution to tackle the challenges arising from next-generation massive machine-type communications. In this paper, a fully grant-free deep learning (DL)-based…

Signal Processing · Electrical Eng. & Systems 2024-08-06 Muhammad Usman Khan , Enrico Testi , Marco Chiani , Enrico Paolini

A network intrusion usually involves a number of network locations. Data flow (including the data generated by intrusion behaviors) among these locations (usually represented by IP addresses) naturally forms a graph. Thus, graph neural…

Cryptography and Security · Computer Science 2023-10-27 Xiang Li , Jing Zhang , Yali Yuan , Cangqi Zhou

This paper develops a novel framework to defeat a super-reactive jammer, one of the most difficult jamming attacks to deal with in practice. Specifically, the jammer has an unlimited power budget and is equipped with the self-interference…

Networking and Internet Architecture · Computer Science 2021-10-28 Nguyen Van Huynh , Diep N. Nguyen , Dinh Thai Hoang , Thang X. Vu , Eryk Dutkiewicz , Symeon Chatzinotas

The mobile data traffic has been exponentially growing during the last decades, which has been enabled by the densification of the network infrastructure in terms of increased cell density (i.e., ultra-dense network (UDN)) and/or increased…

Information Theory · Computer Science 2021-10-07 Shuaifei Chen , Jiayi Zhang , Jing Zhang , Emil Björnson , Bo Ai

Malicious jamming launched by smart jammer, which attacks legitimate transmissions has been regarded as one of the critical security challenges in wireless communications. Thus, this paper exploits intelligent reflecting surface (IRS) to…

Signal Processing · Electrical Eng. & Systems 2020-12-24 Helin Yang , Zehui Xiong , Jun Zhao , Dusit Niyato , Qingqing Wu , Massimo Tornatore , Stefano Secci

Malicious software (malware) poses an increasing threat to the security of communication systems as the number of interconnected mobile devices increases exponentially. While some existing malware detection and classification approaches…

Machine Learning · Computer Science 2021-06-07 Julian Busch , Anton Kocheturov , Volker Tresp , Thomas Seidl

Embedding static graphs in low-dimensional vector spaces plays a key role in network analytics and inference, supporting applications like node classification, link prediction, and graph visualization. However, many real-world networks…

Machine Learning · Computer Science 2021-07-23 Claudio D. T. Barros , Matheus R. F. Mendonça , Alex B. Vieira , Artur Ziviani

The last few years have seen an increasing wave of attacks with serious economic and privacy damages, which evinces the need for accurate Network Intrusion Detection Systems (NIDS). Recent works propose the use of Machine Learning (ML)…

Cryptography and Security · Computer Science 2021-08-02 David Pujol-Perich , José Suárez-Varela , Albert Cabellos-Aparicio , Pere Barlet-Ros

All applications in fifth-generation (5G) networks rely on stable radio-frequency (RF) environments to support mission-critical services in mobility, automation, and connected intelligence. Their exposure to intentional interference or…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Vojtech Halenka , Mohammadreza Amini , Per-Arne Andersen , Ole-Christoffer Granmo , Burak Kantarci

As one of the core technologies for 5G systems, massive multiple-input multiple-output (MIMO) introduces dramatic capacity improvements along with very high beamforming and spatial multiplexing gains. When developing efficient physical…

Information Theory · Computer Science 2023-11-01 Hengtao He , Xianghao Yu , Jun Zhang , Shenghui Song , Khaled B. Letaief

Co-channel interference poses a challenge in any wireless communication network where the time-frequency resources are reused over different geographical areas. The interference is particularly diverse in cell-free massive multiple-input…

Signal Processing · Electrical Eng. & Systems 2024-04-19 Mahmoud Zaher , Emil Björnson , Marina Petrova

In this paper, we propose an algorithm for channel sensing, collaboration, and transmission for networks of Tactical Communication Systems that are facing intrusions from hostile Jammers. Members of the network begin by scanning the…

Networking and Internet Architecture · Computer Science 2020-03-17 Bryan Gingras , Ali Pourranjbar , Georges Kaddoum

Dynamic networks are ubiquitous for modelling sequential graph-structured data, e.g., brain connectome, population flows and messages exchanges. In this work, we consider dynamic networks that are temporal sequences of graph snapshots, and…

Machine Learning · Statistics 2022-03-30 Deborah Sulem , Henry Kenlay , Mihai Cucuringu , Xiaowen Dong

This paper introduces a novel joint communication and proactive monitoring (JCAM) system that simultaneously monitors multiple untrusted links and serves multiple legitimate users. The system leverages a cell-free massive multiple-input…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Mustafa S. Abbas , Zahra Mobini , Hamid Reza Hashempour , Hien Quoc Ngo , Michail Matthaiou

Physical layer security is essential in optical networks. In this paper, we study a jamming-aware control plane, in which a high power jamming attack exists in the network. The studied control plane considers that the jammed connections can…

Networking and Internet Architecture · Computer Science 2020-06-05 Ítalo Brasileiro , Mounir Bensalem , André Drummond , Admela Jukan