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In this paper, we study a cellular-enabled unmanned aerial vehicle (UAV) communication system consisting of one UAV and multiple ground base stations (GBSs). The UAV has a mission of flying from an initial location to a final location,…

Information Theory · Computer Science 2017-11-01 Shuowen Zhang , Yong Zeng , Rui Zhang

In this paper, we study the trajectory and resource allocation design for downlink energy-efficient secure unmanned aerial vehicle (UAV) communication systems, where an information UAV assisted by a multi-antenna jammer UAV serves multiple…

Information Theory · Computer Science 2020-03-17 Yuanxin Cai , Zhiqiang Wei , Ruide Li , Derrick Wing Kwan Ng , Jinhong Yuan

Unmanned aerial vehicles (UAVs) are anticipated to be widely deployed in future wireless communications, due to their advantages of high mobility and easy deployment. However, the broadcast nature of air-to-ground line-of-sight wireless…

Information Theory · Computer Science 2018-06-19 Miao Cui , Guangchi Zhang , Qingqing Wu , Derrick Wing Kwan Ng

Unmanned aerial vehicles (UAVs) have gained a lot of popularity in diverse wireless communication fields. They can act as high-altitude flying relays to support communications between ground nodes due to their ability to provide…

Signal Processing · Electrical Eng. & Systems 2018-08-01 Hakim Ghazzai , Mahdi Ben Ghorbel , Andreas Kassler , Md. Jahangir Hossain

Unmanned aerial vehicle (UAV) communications has drawn significant interest recently due to many advantages such as low cost, high mobility, and on-demand deployment. This paper addresses the issue of physical-layer security in a UAV…

Information Theory · Computer Science 2017-10-13 Guangchi Zhang , Qingqing Wu , Miao Cui , Rui Zhang

Unmanned Aerial Vehicles (UAVs) are poised to revolutionize communications. Utilizing their flexibility and fast deployment, we can deliver content in congested areas or provide services in areas without infrastructure. In this paper, we…

Networking and Internet Architecture · Computer Science 2020-02-11 Emmanouil Fountoulakis , Georgios S. Paschos , Nikolaos Pappas

This paper is motivated by the observation that the average queueing delay can be decreased by sacrificing power efficiency in wireless communications. In this sense, we naturally wonder what is the minimum queueing delay when the available…

Information Theory · Computer Science 2018-07-27 Meng Wang , Juan Liu , Wei Chen , Anthony Ephremides

Unmanned aerial vehicle (UAV) communication has emerged as a prominent technology for emergency communications (e.g., natural disaster) in the Internet of Things (IoT) networks to enhance the ability of disaster prediction, damage…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Dinh-Hieu Tran , Van-Dinh Nguyen , Sumit Gautam , Symeon Chatzinotas , Thang X. Vu , Bjorn Ottersten

This letter considers an unmanned aerial vehicle (UAV)-enabled relay communication system for delivering latency-critical messages with ultra-high reliability, where the relay is operating under amplifier-and-forward (AF) mode. We aim to…

Signal Processing · Electrical Eng. & Systems 2020-07-21 Hong Ren , Cunhua Pan , Kezhi Wang , Wei Xu , Maged Elkashlan , Arumugam Nallanathan

In this paper, we study an unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) architecture, in which a UAV roaming around the area may serve as a computing server to help user equipment (UEs) compute their tasks or act as a…

Signal Processing · Electrical Eng. & Systems 2019-07-18 Xiaoyan Hu , Kai-Kit Wong , Kun Yang , Zhongbin Zheng

This paper investigates an unmanned aerial vehicle (UAV)-enabled wireless communication system with energy harvesting, where the UAV transfers energy to the users in half duplex or full duplex, and the users harvest energy for data…

Signal Processing · Electrical Eng. & Systems 2019-12-25 Zhaohui Yang , Wei Xu , Mohammad Shikh-Bahaei

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless sensor network, in which one UAV flies in the sky to collect the data transmitted from a set of ground nodes (GNs) via distributed beamforming. We consider two scenarios…

Information Theory · Computer Science 2021-08-10 Tianxin Feng , Lifeng Xie , Jianping Yao , Jie Xu

This paper investigates the joint optimization of trajectory, user scheduling, and time-slot duration in unmanned aerial vehicle (UAV)-assisted wireless communication systems under minimum expected spectral efficiency (SE) constraints.…

Systems and Control · Electrical Eng. & Systems 2026-02-20 Gitae Park , Kisong Lee

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

In this work, we address the trajectory optimization of a fixed-wing unmanned aerial vehicle (UAV) using free space optical communication (FSOC). Here, we focus on maximizing the flight time of the UAV by considering practical constraints…

Information Theory · Computer Science 2019-12-18 Ju-Hyung Lee , Ki-Hong Park , Young-Chai Ko , Mohamed-Slim Alouini

This work proposes a framework for the robust design of UAV-assisted wireless networks that combine 3D trajectory optimization with user mobility prediction to address dynamic resource allocation challenges. We proposed a sparse…

Signal Processing · Electrical Eng. & Systems 2025-06-12 Asad Mahmood , Thang X. Vu , Wali Ullah Khan , Symeon Chatzinotas , Björn Ottersten

In this letter, we study a cellular-connected unmanned aerial vehicle (UAV) which aims to complete a mission of flying between two pre-determined locations while maintaining satisfactory communication quality with the ground base stations…

Information Theory · Computer Science 2025-02-27 Xiangming Du , Shuowen Zhang , Francis C. -M. Lau

This paper considers an unmanned-aerial-vehicle-enabled (UAV-enabled) wireless network where a relay UAV is used for two-way communications between a ground base station (BS) and a set of distant user equipment (UE). The UAV adopts the…

Information Theory · Computer Science 2019-04-18 Lei Li , Tsung-Hui Chang , Shu Cai

Mobile relaying is emerged as a promising technique to assist wireless communication, driven by the rapid development of unmanned aerial vehicles (UAVs). In this paper, we study secure transmission in a four-node (source, destination,…

Information Theory · Computer Science 2018-07-24 Qian Wang , Zhi Chen , Shaoqian Li

This paper studies real-time trajectory planning and radio resource allocation for a single uncrewed aerial vehicle (UAV) serving multiple mobile ground users in an urban environment. The downlink system considers heterogeneous user…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Chenrui Qiu , Loizos Kanaris , Yongxu Zhu , Tasos Dagiuklas