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Multi-antenna processing enables jammer mitigation through spatial filtering, provided that the receiver knows the spatial signature of the jammer interference. Estimating this signature is easy for barrage jammers that transmit…

Signal Processing · Electrical Eng. & Systems 2024-12-31 Gian Marti , Christoph Studer

Multi-antenna (or MIMO) processing is a promising solution to the problem of jammer mitigation. Existing methods mitigate the jammer based on an estimate of its spatial signature that is acquired through a dedicated training phase. This…

Signal Processing · Electrical Eng. & Systems 2025-10-03 Gian Marti , Christoph Studer

Spatial filtering based on multiple-input multiple-output (MIMO) processing is a promising approach to jammer mitigation. Effective MIMO data detectors that mitigate smart jammers have recently been proposed, but they all assume perfect…

Signal Processing · Electrical Eng. & Systems 2025-01-28 Gian Marti , Flurin Arquint , Christoph Studer

Multi-antenna (MIMO) processing is a promising solution to the problem of jammer mitigation. Existing methods mitigate the jammer based on an estimate of its subspace (or receive statistics) acquired through a dedicated training phase. This…

Information Theory · Computer Science 2023-02-10 Gian Marti , Christoph Studer

Wireless systems must be resilient to jamming attacks. Existing mitigation methods based on multi-antenna processing require knowledge of the jammer's transmit characteristics that may be difficult to acquire, especially for smart jammers…

Information Theory · Computer Science 2023-04-12 Gian Marti , Torben Kölle , Christoph Studer

Wireless systems must be resilient to jamming attacks. Existing mitigation methods require knowledge of the jammer's transmit characteristics. However, this knowledge may be difficult to acquire, especially for smart jammers that attack…

Information Theory · Computer Science 2022-01-24 Gian Marti , Christoph Studer

We consider uplink transmission of a massive multi-user multiple-input multiple-output (MU-MIMO) system in the presence of a smart jammer. The jammer aims to degrade the sum spectral efficiency of the legitimate system by attacking both the…

Information Theory · Computer Science 2015-11-16 Hessam Pirzadeh , S. Mohammad Razavizadeh , Emil Björnson

Spatial filtering based on multiple-input multiple-output (MIMO) processing is a powerful method for jammer mitigation. In principle, a MIMO receiver can null the interference of a single-antenna jammer at the cost of only one degree of…

Information Theory · Computer Science 2024-08-28 Gian Marti , Alexander Stutz-Tirri , Christoph Studer

In this paper, we consider how the uplink transmission of a spatially correlated massive multiple-input multiple-output (MIMO) system can be protected from a jamming attack. To suppress the jamming, we propose a novel framework including a…

Information Theory · Computer Science 2020-03-02 Hossein Akhlaghpasand , Emil Björnson , S. Mohammad Razavizadeh

Millimeter-wave (mmWave) massive multi-user multiple-input multiple-output (MU-MIMO) promises unprecedented data rates for next-generation wireless systems. To be practically viable, mmWave massive MU-MIMO basestations (BSs) must rely on…

Information Theory · Computer Science 2021-09-07 Gian Marti , Oscar Castañeda , Christoph Studer

In this paper, we study the problem of physical layer security in the uplink of millimeter-wave massive multiple-input multiple-output (MIMO) networks and propose a jamming detection and suppression method. The proposed method is based on…

Information Theory · Computer Science 2021-04-06 Saeed Bagherinejad1 , S. Mohammad Razavizadeh

Low-resolution analog-to-digital converters (ADCs) simplify the design of millimeter-wave (mmWave) massive multi-user multiple-input multiple-output (MU-MIMO) basestations, but increase vulnerability to jamming attacks. As a remedy, we…

Information Theory · Computer Science 2021-11-29 Gian Marti , Oscar Castañeda , Sven Jacobsson , Giuseppe Durisi , Tom Goldstein , Christoph Studer

Millimeter-wave (mmWave) massive multi-user multiple-input multiple-output (MU-MIMO) technology promises unprecedentedly high data rates for next-generation wireless systems. To be practically viable, mmWave massive MU-MIMO basestations…

Information Theory · Computer Science 2021-08-09 Oscar Castañeda , Gian Marti , Christoph Studer

We address the resilience of future 6G MIMO communications by considering an uplink scenario where multiple legitimate transmitters try to communicate with a base station in the presence of an adversarial jammer. The jammer possesses full…

Signal Processing · Electrical Eng. & Systems 2023-02-15 Vlad C. Andrei , Xinyang Li , Ullrich J. Mönich , Holger Boche

Most of the current anti-jamming algorithms for wireless communications only consider how to avoid jamming attacks, but ignore that the communication waveform or frequency action may be obtained by the jammers. Although existing…

Information Theory · Computer Science 2020-12-24 Yifan Wang , Xin Liu , Mei Wang , Yu Yu

We present the first single-input multiple-output (SIMO) receiver ASIC that jointly performs jammer mitigation, channel estimation, and data detection. The ASIC implements a recent algorithm called siMultaneous mitigAtion, Estimation, and…

Hardware Architecture · Computer Science 2025-11-27 Jonas Elmiger , Fabian Stuber , Oscar Castañeda , Gian Marti , Christoph Studer

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

In advanced jamming, the adversary intentionally concentrates the available energy budget on specific critical components (e.g., pilot symbols, acknowledgement packets, etc.) to (i) increase the jamming effectiveness, as more targets can be…

Networking and Internet Architecture · Computer Science 2019-04-17 Liyang Zhang , Francesco Restuccia , Tommaso Melodia , Scott M. Pudleswki

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

A MIMO radar system is proposed for obtaining angle and Doppler information on potential targets. Transmitters and receivers are nodes of a small scale wireless network and are assumed to be randomly scattered on a disk. The transmit nodes…

Information Theory · Computer Science 2015-05-14 Yao Yu , Athina P. Petropulu , H. Vincent Poor
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