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Target detection and recognition is a very challenging task in a wireless environment where a multitude of objects are located, whether to effectively determine their positions or to identify them and predict their moves. In this work, we…

Signal Processing · Electrical Eng. & Systems 2023-05-10 Mamady Delamou , Ahmad Bazzi , Marwa Chafii , El Mehdi Amhoud

In order to identify the rapidly-fading, optical transient counterparts of gravitational wave (GW) sources, an efficient follow-up strategy is required. Since most ground-based optical observatories aimed at following-up GW sources have a…

Instrumentation and Methods for Astrophysics · Physics 2019-05-15 Javed Rana , Shreya Anand , Sukanta Bose

Earth-observation satellites are emerging as distributed edge platforms for time-critical tasks, yet orbital scheduling remains challenged by intermittent energy harvesting and temporal coupling where eager execution risks future battery…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-23 Ansel Kaplan Erol , Divya Mahajan

This paper describes a novel algorithmic framework to minimize a finite-sum of functions available over a network of nodes. The proposed framework, that we call~\GTVR, is stochastic and decentralized, and thus is particularly suitable for…

Optimization and Control · Mathematics 2020-12-02 Ran Xin , Usman A. Khan , Soummya Kar

LSST's wide-field of view and sensitivity will revolutionize studies of the transient sky by finding extraordinary numbers of new transients every night. The recent discovery of a kilonova counterpart to LIGO/Virgo's first detection of…

High Energy Astrophysical Phenomena · Physics 2019-02-15 Graham P. Smith , Andrew Robertson , Matteo Bianconi , Mathilde Jauzac

This work presents a new spiking neural network (SNN)-based approach for user equipment-base station (UE-BS) association in non-terrestrial networks (NTNs). With the introduction of UAV's in wireless networks, the system architecture…

Signal Processing · Electrical Eng. & Systems 2025-08-06 Vasileios Kouvakis , Stylianos E. Trevlakis , Ioannis Arapakis , Alexandros-Apostolos A. Boulogeorgos

Direction-of-Arrival (DOA) estimation in sensor arrays faces limitations under demanding conditions, including low signal-to-noise ratio, single-snapshot scenarios, coherent sources, and unknown source counts. Conventional beamforming…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Xuyao Deng , Yong Dou , Kele Xu

Goal-oriented communication (GoC) is a form of semantic communication where the effectiveness of information transmission is measured by its impact on achieving the desired goal. In Internet-of-Things (IoT) networks, GoC can enable sensors…

Systems and Control · Electrical Eng. & Systems 2026-05-12 Prasoon Raghuwanshi , Onel Luis Alcaraz López , I-Hong Hou , Vimal Bhatia , Matti Latva-aho

Motion planning under uncertainty is essential for reliable robot operation. Despite substantial advances over the past decade, the problem remains difficult for systems with complex dynamics. Most state-of-the-art methods perform search…

Robotics · Computer Science 2020-06-01 Marcus Hoerger , Hanna Kurniawati , Alberto Elfes

The increasing number of distributed generators connected to distribution grids requires a reliable monitoring of such grids. Economic considerations prevent a full observation of distribution grids with direct measurements. First…

Computational Engineering, Finance, and Science · Computer Science 2019-03-06 Jan-Hendrik Menke , Nils Bornhorst , Martin Braun

Open Radio Access Network systems, with their virtualized base stations (vBSs), offer operators the benefits of increased flexibility, reduced costs, vendor diversity, and interoperability. Optimizing the allocation of resources in a vBS is…

Networking and Internet Architecture · Computer Science 2024-12-31 Michail Kalntis , George Iosifidis , Fernando A. Kuipers

This paper presents a comprehensive approach to improve the daily performance of an active distribution network (ADN), which includes renewable resources and responsive load (RL), using distributed network reconfiguration (DNR).…

Systems and Control · Electrical Eng. & Systems 2020-09-22 Seyed-Mohammad Razavi , Hamid-Reza Momeni , Mahmoud-Reza Haghifam , Sadegh Bolouki

Geospatial data has been transformative for the monitoring of the Earth, yet, as in the case of (geo)physical monitoring, the measurements can have variable spatial and temporal sampling and may be associated with a significant level of…

Machine Learning · Computer Science 2024-05-07 Giuseppe Costantino , Sophie Giffard-Roisin , Mauro Dalla Mura , Anne Socquet

Vehicular communication systems face significant challenges due to high mobility and rapidly changing environments, which affect the channel over which the signals travel. To address these challenges, neural network (NN)-based channel…

Machine Learning · Computer Science 2025-02-12 Simbarashe Aldrin Ngorima , Albert Helberg , Marelie H. Davel

We introduce and analyze stochastic optimization methods where the input to each gradient update is perturbed by bounded noise. We show that this framework forms the basis of a unified approach to analyze asynchronous implementations of…

Fast and effective localization of gravitational wave (GW) events could play a crucial role in identifying possible electromagnetic counterparts, and thereby help usher in an era of GW multi-messenger astronomy. We discuss an algorithm for…

Instrumentation and Methods for Astrophysics · Physics 2018-11-08 Hsin-Yu Chen , Daniel E. Holz

We propose a modified moment matching algorithm to avoid catastrophic failures for sources with a low signal to noise ratio (SNR). The proposed modifications include a method to eliminate non-physical negative pixel values and a forced…

Instrumentation and Methods for Astrophysics · Physics 2025-02-04 Anirban Dutta , John R. Peterson , Glenn Sembroski

Stein variational gradient descent (SVGD) is a kernel-based and non-parametric particle method for sampling from a target distribution, such as in Bayesian inference and other machine learning tasks. Different from other particle methods,…

Optimization and Control · Mathematics 2025-10-02 Viktor Stein , Wuchen Li

The SKA will deliver orders of magnitude increases in sensitivity, but most astrometric VLBI observations are limited by systematic errors. In these cases improved sensitivity offers no benefit. The best current solution for improving the…

Instrumentation and Methods for Astrophysics · Physics 2019-07-04 Richard Dodson , María Rioja