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We consider multiple unmanned aerial vehicles (UAVs) serving a density of ground terminals (GTs) as base stations. The objective is to minimize the outage probability of GT-to-UAV transmissions. Optimal placement of UAVs under different UAV…

信息论 · 计算机科学 2020-08-18 Maryam Shabanighazikelayeh , Erdem Koyuncu

In recent years, unmanned aerial vehicles (UAVs) have been considered for telecommunications purposes as relays, caches, or IoT data collectors. In addition to being easy to deploy, their maneuverability allows them to adjust their location…

信号处理 · 电气工程与系统科学 2019-07-16 Enes Krijestorac , Samer Hanna , Danijela Cabric

Efficient exploration strategies are vital in tasks such as search-and-rescue missions and disaster surveying. Unmanned Aerial Vehicles (UAVs) have become particularly popular in such applications, promising to cover large areas at high…

机器人学 · 计算机科学 2023-01-23 Luca Bartolomei , Lucas Teixeira , Margarita Chli

This paper presents a distributed approach to provide persistent coverage of an arbitrarily shaped area using heterogeneous coverage of fixed-wing unmanned aerial vehicles (UAVs), and to recover from simultaneous failures of multiple UAVs.…

机器人学 · 计算机科学 2020-09-22 Sachin Shriwastav , Zhuoyuan Song

Cooperative and cognitive non-orthogonal multiple access (CCR-NOMA) has been recognized as a promising technique to overcome issues of spectrum scarcity and support massive connectivity envisioned in next-generation wireless networks. In…

信息论 · 计算机科学 2022-01-04 Sultangali Arzykulov , Abdulkadir Celik , Galymzhan Nauryzbayev , Ahmed M. Eltawil

This paper investigates federated multimodal learning (FML) assisted by unmanned aerial vehicles (UAVs) with a focus on minimizing system latency and providing convergence analysis. In this framework, UAVs are distributed throughout the…

机器学习 · 计算机科学 2025-10-03 Shaba Shaon , Dinh C. Nguyen

We propose a novel method for geolocalizing Unmanned Aerial Vehicles (UAVs) in environments lacking Global Navigation Satellite Systems (GNSS). Current state-of-the-art techniques employ an offline-trained encoder to generate a vector…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Theo Di Piazza , Enric Meinhardt-Llopis , Gabriele Facciolo , Benedicte Bascle , Corentin Abgrall , Jean-Clement Devaux

In this paper, a sensing-assisted non-line-of-sight (NLoS) identification method for dynamic uncrewed aerial vehicle (UAV) positioning is proposed for the first time. For urban UAV-to-ground scenarios, a new multi-modal…

信号处理 · 电气工程与系统科学 2026-05-14 Huijuan Qiao , Lu Bai , Mingran Sun , Mengyuan Lu , Jiajing Chen , Xiang Cheng

In this paper, we investigate robust resource allocation algorithm design for multiuser downlink multiple-input single-output (MISO) unmanned aerial vehicle (UAV) communication systems, where we account for the various uncertainties that…

信号处理 · 电气工程与系统科学 2019-05-29 Dongfang Xu , Yan Sun , Derrick Wing Kwan Ng , Robert Schober

Optimal deployment and movement of multiple unmanned aerial vehicles (UAVs) is studied. The considered scenario consists of several ground terminals (GTs) communicating with the UAVs using variable transmission power and fixed data rate.…

信息论 · 计算机科学 2018-11-29 Erdem Koyuncu , Maryam Shabanighazikelayeh , Hulya Seferoglu

Unmanned Aerial Vehicle (UAV) swarms are often required in off-grid scenarios, such as disaster-struck, war-torn or rural areas, where the UAVs have no access to the power grid and instead rely on renewable energy. Considering a main…

网络与互联网体系结构 · 计算机科学 2022-11-24 Igor Donevski , Marco Virgili , Nithin Babu , Jimmy Jessen Nielsen , Andrew J. Forsyth , Constantinos B. Papadias , Petar Popovski

Although the use of multiple Unmanned Aerial Vehicles (UAVs) has great potential for fast autonomous exploration, it has received far too little attention. In this paper, we present RACER, a RApid Collaborative ExploRation approach using a…

机器人学 · 计算机科学 2022-09-20 Boyu Zhou , Hao Xu , Shaojie Shen

Unmanned Aerial Vehicles (UAVs) are suited as cost-effective and adaptable platforms for carrying Wi-Fi Access Points (APs) and cellular Base Stations (BSs). Implementing aerial networks in disaster management scenarios and crowded areas…

网络与互联网体系结构 · 计算机科学 2024-12-16 Kamran Shafafi , Manuel Ricardo , Rui Campos

This study investigates unmanned aerial vehicle (UAV) trajectory planning strategies for localizing a target mobile device in emergency situations. The global navigation satellite system (GNSS)-based accurate position information of a…

信号处理 · 电气工程与系统科学 2023-02-24 Halim Lee , Jiwon Seo

In this paper, we aim to sustain unmanned aerial vehicle (UAV) based missions for longer periods of times through different techniques. First, we consider on-the-mission UAV recharging by a low-power laser source (below 1 kilowatt). In…

信号处理 · 电气工程与系统科学 2020-12-25 Wael Jaafar , Halim Yanikomeroglu

A novel framework is proposed for the trajectory design of multiple unmanned aerial vehicles (UAVs) based on the prediction of users' mobility information. The problem of joint trajectory design and power control is formulated for…

信号处理 · 电气工程与系统科学 2019-06-05 Xiao Liu , Yuanwei Liu , Yue Chen , Lajos Hanzo

Unmanned aerial vehicles (UAVs) have gained wide research interests due to their technological advancement and high mobility. The UAVs are equipped with increasingly advanced capabilities to run computationally intensive applications…

信息论 · 计算机科学 2022-02-24 Wei Chong Ng , Wei Yang Bryan Lim , Zehui Xiong , Dusit Niyato , Chunyan Miao , Zhu Han , Dong In Kim

We consider the problem of accurately localizing $N$ unmanned aerial vehicles (UAV) in 3D space where the UAVs are part of a swarm and communicate with each other through orthogonal time-frequency space (OTFS) modulated signals. The OTFS…

信息论 · 计算机科学 2025-02-18 Alessandro Nordio , Carla Fabiana Chiasserini , Emanuele Viterbo

Accurate and swift localization of the target is crucial in emergencies. However, accurate position data of a target mobile device, typically obtained from global navigation satellite systems (GNSS), cellular networks, or WiFi, may not…

系统与控制 · 电气工程与系统科学 2025-02-18 Halim Lee , Jiwon Seo

This article presents a three-dimensional nonlinear trajectory tracking control strategy for unmanned aerial vehicles (UAVs) in the presence of spatial constraints. As opposed to many existing control strategies, which do not consider…

系统与控制 · 电气工程与系统科学 2024-07-16 Saurabh Kumar , Shashi Ranjan Kumar , Abhinav Sinha