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Wireless communication can be simply subjected to malicious attacks due to its open nature and shared medium. Detecting jamming attacks is the first and necessary step to adopt the anti-jamming strategies. This paper presents novel…

Information Theory · Computer Science 2025-09-16 Amir Mehrabian , Georges Kaddoum

Most multiuser precoding techniques require accurate transmitter channel state information (CSIT) to maintain orthogonality between the users. Such techniques have proven quite fragile in time-varying channels because the CSIT is inherently…

Information Theory · Computer Science 2011-05-19 Jiaming Xu , Jeffrey G. Andrews , Syed A. Jafar

We consider the problem of secure communications in a MIMO setting in the presence of an adversarial jammer equipped with $n_j$ transmit antennas and an eavesdropper equipped with $n_e$ receive antennas. A multiantenna transmitter, equipped…

Information Theory · Computer Science 2014-11-06 Theodoros Tsiligkaridis

The two-user multiple-input multiple-output (MIMO) interference channel (IC) with arbitrary number of antennas at each terminal is considered and the degrees of freedom (DoF) region is characterized in the presence of noiseless channel…

Information Theory · Computer Science 2016-11-17 Ravi Tandon , Soheil Mohajer , H. Vincent Poor , Shlomo Shamai

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

The impact of imperfect CSIT on the degrees of freedom (DoF) of a time correlated MISO Broadcast Channel has drawn a lot of attention recently. Maddah-Ali and Tse have shown that the completely stale CSIT still benefit the DoF. In very…

Information Theory · Computer Science 2012-11-20 Chenxi Hao , Bruno Clerckx

Wireless networks are a key component of the telecommunications infrastructure in our society, and wireless services become increasingly important as the applications of wireless devices have penetrated every aspect of our lives. Although…

Cryptography and Security · Computer Science 2021-01-05 Hossein Pirayesh , Huacheng Zeng

Since Maddah-Ali and Tse showed that the completely stale transmitter-side channel state information (CSIT) still benefits the Degrees of Freedom (DoF) of the Multiple-Input-Multiple-Output (MISO) Broadcast Channel (BC), there has been much…

Information Theory · Computer Science 2013-04-04 Chenxi Hao , Bruno Clerckx

Rate-Splitting Multiple Access (RSMA) is a robust multiple access scheme for downlink multi-antenna wireless networks. In this work, we investigate a novel application of RSMA for joint communications and jamming with a Multi-Carrier (MC)…

Information Theory · Computer Science 2021-08-13 Onur Dizdar , Bruno Clerckx

In this paper, we propose a framework for protecting the uplink transmission of a massive multiple-input multiple-output (mMIMO) system from a jamming attack. Our framework includes a novel minimum mean-squared error based jamming…

Information Theory · Computer Science 2019-02-20 Hossein Akhlaghpasand , Emil Björnson , S. Mohammad Razavizadeh

Random Access Channel (RACH) jamming poses a critical security threat to 5G and beyond (B5G) networks. This paper presents an analytical model for predicting the impact of Msg1 jamming attacks on RACH performance. We use the…

Cryptography and Security · Computer Science 2026-02-09 Wilfrid Azariah , Yi-Quan Chen , Zhong-Xin You , Ray-Guang Cheng , Shiann-Tsong Sheu , Binbin Chen

We consider the design of linear precoders and receivers in a Multiple-Input Single-Output (MISO) Broadcast Channel (BC). We aim at minimizing the transmit power while fullfiling a set of per-user Quality-of-Service (QoS) constraints…

Information Theory · Computer Science 2016-10-04 José P. González-Coma , Michael Joham , Paula M. Castro , Luis Castedo

In this letter, we study an attack that leverages a reconfigurable intelligent surface (RIS) to induce harmful interference toward multiple users in massive multiple-input multiple-output (mMIMO) systems during the data transmission phase.…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Arthur Sousa de Sena , Jacek Kibilda , Nurul Huda Mahmood , André Gomes , Matti Latva-aho

Malicious attacks such as jamming can cause significant disruption or complete denial of service (DoS) to wireless communication protocols. Moreover, jamming devices are getting smarter, making them difficult to detect. Forward error…

Information Theory · Computer Science 2022-10-11 Furkan Ercan , Kevin Galligan , Ken R. Duffy , Muriel Medard , David Starobinski , Rabia Tugce Yazicigil

We consider a single-cell massive MIMO system in which a base station (BS) with a large number of antennas transmits simultaneously to several single-antenna users in the presence of an attacker.The BS acquires the channel state information…

Information Theory · Computer Science 2019-01-25 Berk Akgun , Marwan Krunz , O. Ozan Koyluoglu

We consider a single-cell downlink massive MIMO communication in the presence of an adversary capable of jamming and eavesdropping simultaneously. We show that massive MIMO communication is naturally resilient to no training-phase jamming…

Information Theory · Computer Science 2016-03-03 Y. Ozan Basciftci , C. Emre Koksal , Alexei Ashikhmin

Security aspects in underwater wireless networks have not been widely investigated so far, despite the critical importance of the scenarios in which these networks can be employed. For example, an attack to a military underwater network for…

Networking and Internet Architecture · Computer Science 2021-03-03 Alberto Signori , Federico Chiariotti , Filippo Campagnaro , Michele Zorzi

This paper considers a K-user Multiple-Input-Single-Output (MISO) Interference Channel (IC), where the channel state information obtained by the transmitters (CSIT) is perfect, but completely outdated. A Retrospective Interference Alignment…

Information Theory · Computer Science 2015-02-26 Chenxi Hao , Bruno Clerckx

The 3-user multiple-input single-output (MISO) broadcast channel (BC) with hybrid channel state information at the transmitter (CSIT) is considered. In this framework, there is perfect and instantaneous CSIT from a subset of users and…

Information Theory · Computer Science 2014-02-20 SaiDhiraj Amuru , Ravi Tandon , Shlomo Shamai

Securing satellite communication networks is imperative in the rapidly evolving landscape of advanced telecommunications, particularly in the context of 6G advancements. This paper establishes a secure low earth orbit (LEO) satellite…

Signal Processing · Electrical Eng. & Systems 2023-10-05 Hadil Otay , Khaled Humadi , Gunes Karabulut Kurt