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This paper investigates the problem of adaptive detection of distributed targets in power heterogeneous clutter. In the considered scenario, all the data share the identical structure of clutter covariance matrix, but with varying and…

Methodology · Statistics 2024-10-10 Daipeng Xiao , Weijian Liu , Jun Liu , Lingyan Dai , Xueli Fang , Jianjun Ge

One-bit sampling has emerged as a promising technique in multiple-input multiple-output (MIMO) radar systems due to its ability to significantly reduce data volume and processing requirements. Nevertheless, current detection methods have…

Signal Processing · Electrical Eng. & Systems 2024-04-29 Yu-Hang Xiao , David Ramírez , Lei Huang , Xiao Peng Li , Hing Cheung So

This paper investigates semi-blind channel estimation for massive multiple-input multiple-output (MIMO) systems. To this end, we first estimate a subspace based on all received symbols (pilot and payload) to provide additional information…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Franz Weißer , Nurettin Turan , Dominik Semmler , Fares Ben Jazia , Wolfgang Utschick

Multiple-input multiple-output (MIMO) systems find immense potential and applicability in the long term evolution (LTE), 5G, Internet of Things (IoT), vehicular ad hoc networks (VANETs), and tactical communication systems. Jamming poses…

Networking and Internet Architecture · Computer Science 2020-05-05 Anu Jagannath , Jithin Jagannath , Andrew Drozd

Quantitative magnetic resonance imaging (qMRI) derives tissue-specific parameters -- such as the apparent transverse relaxation rate R2*, the longitudinal relaxation rate R1 and the magnetisation transfer saturation -- that can be compared…

Image and Video Processing · Electrical Eng. & Systems 2021-05-10 Yaël Balbastre , Mikael Brudfors , Michela Azzarito , Christian Lambert , Martina F. Callaghan , John Ashburner

In this paper, we investigate jointly sparse signal recovery and jointly sparse support recovery in Multiple Measurement Vector (MMV) models for complex signals, which arise in many applications in communications and signal processing.…

Signal Processing · Electrical Eng. & Systems 2020-09-09 Ying Cui , Shuaichao Li , Wanqing Zhang

This paper studies the joint channel estimation and signal detection for the uplink power-domain non-orthogonal multiple access. The proposed technique performs both detection and estimation without the need of pilot symbols by using a…

Signal Processing · Electrical Eng. & Systems 2022-07-29 Ayoob Salari , Mahyar Shirvanimoghaddam , Muhammad Basit Shahab , Yonghui Li , Sarah Johnson

Suppressing the deliberate interference for wireless networks is critical to guarantee a reliable communication link. However, nullifying the jamming signals can be problematic when the correlations between transmitted jamming signals are…

Signal Processing · Electrical Eng. & Systems 2022-02-09 Linh Manh Hoang , Diep N. Nguyen , J. Andrew Zhang , Dinh Thai Hoang

Recent advancements in Wi-Fi sensing have sparked interest in exploiting OFDM modulated communication signals for target detection and tracking. In this study, we address the angle-based localization of multiple targets using a multistatic…

Signal Processing · Electrical Eng. & Systems 2025-01-13 Martin Willame , Laurent Storrer , Hasan Can Yildirim , François Horlin , Jérôme Louveaux

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

In multiple-input multiple-output (MIMO) spatially multiplexing (SM) systems, achievable error rate performance is determined by signal detection strategy. The optimal maximum-likelihood detection (MLD) that exhaustively examines all symbol…

Information Theory · Computer Science 2015-03-17 Makoto Tanahashi , Hideki Ochiai

The problem of jamming on multiple-input multiple-output (MIMO) Gaussian channels is investigated in this paper. In the case of a single target legitimate signal, we show that the existing result based on the simplification of the system…

Information Theory · Computer Science 2016-03-03 Jie Gao , Sergiy A. Vorobyov , Hai Jiang

5G mobile networks are vulnerable to jamming attacks that may jeopardize valuable applications such as industry automation. In this paper, we propose to analyze radio signals with a dedicated device to detect jamming attacks. We pursue a…

Signal Processing · Electrical Eng. & Systems 2024-05-17 Matteo Varotto , Stefan Valentin , Francesco Ardizzon , Samuele Marzotto , Stefano Tomasin

We consider the multiple hypothesis testing (MHT) problem over the joint domain formed by a graph and a measure space. On each sample point of this joint domain, we assign a hypothesis test and a corresponding $p$-value. The goal is to make…

Signal Processing · Electrical Eng. & Systems 2025-06-05 Xingchao Jian , Martin Gölz , Feng Ji , Wee Peng Tay , Abdelhak M. Zoubir

In this paper, a novel approach is proposed for multi-target joint detection, tracking and classification based on the labeled random finite set and generalized Bayesian risk using Radar and ESM sensors. A new Bayesian risk is defined for…

Signal Processing · Electrical Eng. & Systems 2018-07-09 Minzhe Li , Zhongliang Jing

This paper aims to devise a generalized maximum likelihood (ML) estimator to robustly detect signals with unknown noise statistics in multiple-input multiple-output (MIMO) systems. In practice, there is little or even no statistical…

Machine Learning · Computer Science 2021-01-22 Ke He , Le He , Lisheng Fan , Yansha Deng , George K. Karagiannidis , Arumugam Nallanathan

Low complexity joint estimation of synchronization impairments and channel in a single-user MIMO-OFDM system is presented in this letter. Based on a system model that takes into account the effects of synchronization impairments such as…

Information Theory · Computer Science 2013-04-30 Renu Jose , Sooraj K. Ambat , K. V. S. Hari

Joint gravitational-wave (GW) and $\gamma$-ray burst (GRB) observations are among the best prospects for standard siren cosmology. However, the strong selection effect for the coincident GRB detection, which is possible only for sources…

High Energy Astrophysical Phenomena · Physics 2024-12-12 Michele Mancarella , Francesco Iacovelli , Stefano Foffa , Niccolò Muttoni , Michele Maggiore

Accurate channel parameter estimation is challenging for wideband millimeter-wave (mmWave) large-scale hybrid arrays, due to beam squint and much fewer radio frequency (RF) chains than antennas. This paper presents a novel joint delay and…

Information Theory · Computer Science 2021-02-23 Zhipeng Lin , Tiejun Lv , Wei Ni , J. Andrew Zhang , Jie Zeng , Ren Ping Liu

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
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