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This paper proposes an unmanned aerial vehicle (UAV)-based distributed sensing framework that uses orthogonal frequency-division multiplexing (OFDM) waveforms to detect the position of a ground target, and UAVs operate in half-duplex mode.…

Signal Processing · Electrical Eng. & Systems 2023-09-12 Xavier Alejandro Flores Cabezas , Diana Pamela Moya Osorio , Markku Juntti

The increasing spreading of small commercial Unmanned Aerial Vehicles (UAVs, aka drones) presents serious threats for critical areas such as airports, power plants, governmental and military facilities. In fact, such UAVs can easily disturb…

Robotics · Computer Science 2023-12-13 Marco Esposito , Toni Mancini , Enrico Tronci

Intelligent reflecting surface (IRS) is composed of numerous passive reflecting elements and can be mounted on unmanned aerial vehicles (UAVs) to achieve six-dimensional (6D) movement by adjusting the UAV's three-dimensional (3D) location…

Signal Processing · Electrical Eng. & Systems 2024-12-17 Changhao Liu , Weidong Mei , Peilan Wang , Yinuo Meng , Boyu Ning , Zhi Chen

This work considers the orthogonal frequency division multiple access (OFDMA) technology that enables multiple unmanned aerial vehicles (multi-UAV) communication systems to provide on-demand services. The main aim of this work is to derive…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Asad Mahmood , Thang X. Vu , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten

The conventional direction of arrival (DOA) estimation methods are performed with multiple receiving channels. In this paper, a changeling DOA estimation problem is addressed in a different scenario with only one full-functional receiving…

Signal Processing · Electrical Eng. & Systems 2022-03-22 Peng Chen , Zhimin Chen , Beixiong Zheng , Xianbin Wang

Optimal transport (OT) is a framework that can guide the design of efficient resource allocation strategies in a network of multiple sources and targets. This paper applies discrete OT to a swarm of UAVs in a novel way to achieve…

Multiagent Systems · Computer Science 2022-12-01 Jason Hughes , Dominic Larkin , Charles O'Donnell , Christopher Korpela

We propose a variant of alternating direction method of multiplier (ADMM) to solve constrained trajectory optimization problems. Our ADMM framework breaks a joint optimization into small sub-problems, leading to a low iteration cost and…

Robotics · Computer Science 2023-02-28 Ruiqi Ni , Zherong Pan , Xifeng Gao

Localizing ground devices (GDs) is an important requirement for a wide variety of applications, such as infrastructure monitoring, precision agriculture, search and rescue operations, to name a few. To this end, unmanned aerial vehicles…

Signal Processing · Electrical Eng. & Systems 2020-12-17 Francesco Betti Sorbelli , Cristina M. Pinotti , Simone Silvestri , Sajal K. Das

This paper tackles the optimization of the point spread function (PSF) of unmanned aerial vehicle (UAV)-borne multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) tomography systems. A swarm of UAV-borne SAR systems is…

Signal Processing · Electrical Eng. & Systems 2026-05-27 Pouya Fakharizadeh , Mohamed-Amine Lahmeri , Gerhard Krieger , Robert Schober

This article reports an algorithm for multi-agent distributed optimization problems with a common decision variable, local linear equality and inequality constraints and set constraints with convergence rate guarantees.…

Systems and Control · Electrical Eng. & Systems 2022-11-17 Vivek Khatana , Murti V. Salapaka

Localization is one of the most important technologies needed to use Unmanned Aerial Vehicles (UAVs) in actual fields. Currently, most UAVs use GNSS to estimate their position. Recently, there have been attacks that target the weaknesses of…

Robotics · Computer Science 2020-08-06 Junho Choi , Hyun Myung

Multi-view Synthetic Aperture Radar (SAR) imaging can effectively enhance the performance of tasks such as automatic target recognition and image information fusion. Unmanned aerial vehicles (UAVs) have the advantages of flexible deployment…

Systems and Control · Electrical Eng. & Systems 2025-05-23 Deyu Song , Xiangyin Zhang , Zipei Yu , Kaiyu Qin

To meet the ever growing demand for both high throughput and uniform coverage in future wireless networks, dense network deployment will be ubiquitous, for which co- operation among the access points is critical. Considering the…

Information Theory · Computer Science 2014-05-14 Yuanming Shi , Jun Zhang , Khaled B. Letaief

In this paper, we investigate joint 3-dimensional (3D) trajectory planning and resource allocation for rotary-wing unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) sensing. To support emerging real-time SAR applications and…

Signal Processing · Electrical Eng. & Systems 2024-04-02 Mohamed-Amine Lahmeri , Walid R. Ghanem , Christina Bonfert , Robert Schober

Alternating Direction Method of Multipliers (ADMM) is a popular convex optimization algorithm, which can be employed for solving distributed consensus optimization problems. In this setting agents locally estimate the optimal solution of an…

Signal Processing · Electrical Eng. & Systems 2019-03-27 Layla Majzoobi , Farshad Lahouti , Vahid Shah-Mansouri

This paper considers the problem of ground user localization based on received signal strength (RSS) measurements obtained by an unmanned aerial vehicle (UAV). We treat UAV-user link channel model parameters and antenna radiation pattern of…

Information Theory · Computer Science 2022-05-09 Omid Esrafilian , Rajeev Gangula , David Gesbert

This paper presents a novel and feasible path planning technique for a group of unmanned aerial vehicles (UAVs) conducting surface inspection of infrastructure. The ultimate goal is to minimise the travel distance of UAVs while…

Robotics · Computer Science 2019-01-16 V. T. Hoang , M. D. Phung , T. H. Dinh , Q. P. Ha

Trust region optimization-based received signal strength indicator (RSSI) interference source localization methods have been widely used in low-altitude research. However, these methods often converge to local optima in complex…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Guochen Gu , Zhipeng Lin , Qiuming Zhu , Junchang Chen , Qihui Wu , Hongtao Duan , Yang Huang , Weizhi Zhong

Current state of the art in the field of UAV activation relies solely on human operators for the design and adaptation of the drones' flying routes. Furthermore, this is being done today on an individual level (one vehicle per operators),…

Artificial Intelligence · Computer Science 2016-11-18 Yaniv Altshuler , Alex Pentland , Shlomo Bekhor , Yoram Shiftan , Alfred Bruckstein

The ability of widely distributed radar systems to capture diverse spatial scattering properties substantially improves radar imaging performance. Traditional imaging methods leverage regularized optimization techniques to reconstruct…

Signal Processing · Electrical Eng. & Systems 2023-07-18 Ahmed Murtada , Bhavani Shankar Mysore Rama Rao , Udo Schroeder