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The deployment of unmanned aerial vehicle (UAV) swarm-assisted communication networks has become an increasingly vital approach for remediating coverage limitations in infrastructure-deficient environments, with especially pressing…

Machine Learning · Computer Science 2025-09-30 Tianjiao Sun , Ningyan Guo , Haozhe Gu , Yanyan Peng , Zhiyong Feng

For unmanned aerial vehicle (UAV) trajectory design, the total propulsion energy consumption and initial-final location constraints are practical factors to consider. However, unlike traditional offline designs, these two constraints are…

Signal Processing · Electrical Eng. & Systems 2024-07-18 Yifan Jiang , Qingqing Wu , Wen Chen , Hongxun Hui

Cognitive radio is a promising technology to improve spectral efficiency. However, the secure performance of a secondary network achieved by using physical layer security techniques is limited by its transmit power and channel fading. In…

Information Theory · Computer Science 2020-05-08 Yifan Zhou , Fuhui Zhou , Huilin Zhou , Derrick Wing Kwan Ng , Rose Qingyang Hu

Unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) system is a prominent concept, where a UAV equipped with a MEC server is deployed to serve a number of terminal devices (TDs) of Internet of Things (IoT) in a finite period.…

Signal Processing · Electrical Eng. & Systems 2020-08-13 Tiankui Zhang , Yu Xu , Jonathan Loo , Dingcheng Yang , Lin Xiao

In this work, we investigate the problem of an online trajectory design for an Unmanned Aerial Vehicle (UAV) in a Federated Learning (FL) setting where several different communities exist, each defined by a unique task to be learned. In…

Information Theory · Computer Science 2022-11-09 Mohamad Mestoukirdi , Omid Esrafilian , David Gesbert , Qianrui Li

A reliable communication network is essential for multiple UAVs operating within obstacle-cluttered environments, where limited communication due to obstructions often occurs. A common solution is to deploy intermediate UAVs to relay…

Robotics · Computer Science 2025-07-30 Yuda Chen , Shuaikang Wang , Jie Li , Meng Guo

This paper studies an unmanned aerial vehicle (UAV)-enabled multicast channel, in which a UAV serves as a mobile transmitter to deliver common information to a set of $K$ ground users. We aim to characterize the capacity of this channel…

Information Theory · Computer Science 2018-02-01 Yundi Wu , Jie Xu , Ling Qiu , Rui Zhang

In this paper, we consider a single-cell multi-user orthogonal frequency division multiple access (OFDMA) network with one unmanned aerial vehicle (UAV), which works as an amplify-and-forward relay to improve the quality-of-service (QoS) of…

Information Theory · Computer Science 2021-04-23 Shuhao Zeng , Hongliang Zhang , Boya Di , Lingyang Song

Owing to the controlling flexibility and cost-effectiveness, fixed-wing unmanned aerial vehicles (UAVs) are expected to serve as flying base stations (BSs) in the air-ground integrated network. By exploiting the mobility of UAVs,…

Signal Processing · Electrical Eng. & Systems 2022-09-29 Xuezhen Yan , Xuming Fang , Cailian Deng , Xianbin Wang

Unmanned Aerial Vehicle (UAV) swarms adoption shows a steady growth among operators due to the benefits in time and cost arisen from their use. However, this kind of system faces an important problem which is the calculation of many optimal…

Multiagent Systems · Computer Science 2022-03-07 Alejandro Puente-Castro , Daniel Rivero , Alejandro Pazos , Enrique Fernandez-Blanco

Unmanned aerial vehicle (UAV)-assisted data collection has been emerging as a prominent application due to its flexibility, mobility, and low operational cost. However, under the dynamic and uncertainty of IoT data collection and energy…

Networking and Internet Architecture · Computer Science 2021-06-22 Nam H. Chu , Dinh Thai Hoang , Diep N. Nguyen , Nguyen Van Huynh , Eryk Dutkiewicz

Unmanned aerial vehicles (UAVs) can be applied in many Internet of Things (IoT) systems, e.g., smart farms, as a data collection platform. However, the UAV-IoT wireless channels may be occasionally blocked by trees or high-rise buildings.…

Neural and Evolutionary Computing · Computer Science 2022-10-28 Li Dong , Zhibin Liu , Feibo Jiang , Kezhi Wang

This work considers unmanned aerial vehicle (UAV) networks for collecting data covertly from ground users. The full-duplex UAV intends to gather critical information from a scheduled user (SU) through wireless communication and generate…

Signal Processing · Electrical Eng. & Systems 2019-06-21 Xiaobo Zhou , Shihao Yan , Feng Shu , Riqing Chen , Jun Li

In this paper, we study the trajectory and resource optimization for lightweight rotary-wing unmanned aerial vehicles (UAVs) equipped with a synthetic aperture radar (SAR) system. The UAV's mission is to perform SAR imaging of a given area…

Signal Processing · Electrical Eng. & Systems 2022-07-14 Mohamed-Amine Lahmeri , Walid Ghanem , Christina Knill , Robert Schober

In this paper, we consider an unmanned aerial vehicle (UAV) assisted communications system, including two cooperative UAVs, a wireless-powered ground destination node leveraging simultaneous wireless information and power transfer (SWIPT)…

Information Theory · Computer Science 2020-06-01 Milad Tatar Mamaghani , Yi Hong

Unmanned aerial vehicles (UAVs) have a great potential for improving the performance of wireless communication systems due to their wide coverage and high mobility. In this paper, we study a UAV-enabled data collection system, where a UAV…

Information Theory · Computer Science 2017-09-12 Dingcheng Yang , Qingqing Wu , Yong Zeng , Rui Zhang

This paper considers LEO satellite- and cache-assisted UAV communications for content delivery in terrestrial networks, which shows great potential for next-generation systems to provide ubiquitous connectivity and high capacity.…

Information Theory · Computer Science 2021-06-10 Dinh-Hieu Tran , Symeon Chatzinotas , Björn Ottersten

This paper investigates unmanned aerial vehicle (UAV)-aided wireless powered communication network (WPCN) systems where a mobile access point (AP) at the UAV serves multiple energy-constrained ground terminals (GTs). Specifically, the UAVs…

Information Theory · Computer Science 2018-01-10 Junhee Park , Hoon Lee , Subin Eom , Inkyu Lee

Path planning methods for autonomous unmanned aerial vehicles (UAVs) are typically designed for one specific type of mission. This work presents a method for autonomous UAV path planning based on deep reinforcement learning (DRL) that can…

Robotics · Computer Science 2022-02-07 Mirco Theile , Harald Bayerlein , Richard Nai , David Gesbert , Marco Caccamo

Thanks to their quick placement and high flexibility, unmanned aerial vehicles (UAVs) can be very useful in the current and future wireless communication systems. With a growing number of smart devices and infrastructure-free communication…

Signal Processing · Electrical Eng. & Systems 2020-04-24 Shuyan Hu , Qingqing Wu , Xin Wang
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