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Unmanned aerial vehicles (UAVs) have received plenty of attention due to their high flexibility and enhanced communication ability, nonetheless, the limited onboard energy restricts UAVs' application on persistent data collection missions…

信号处理 · 电气工程与系统科学 2024-10-10 Rui Wang , Deshi Li , Qingqing Wu , Kaitao Meng , Boning Feng , Lele Cong

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…

信息论 · 计算机科学 2020-03-17 Yuanxin Cai , Zhiqiang Wei , Ruide Li , Derrick Wing Kwan Ng , Jinhong Yuan

In this paper, the efficient deployment and mobility of multiple unmanned aerial vehicles (UAVs), used as aerial base stations to collect data from ground Internet of Things (IoT) devices, is investigated. In particular, to enable reliable…

信息论 · 计算机科学 2017-09-13 Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

This paper investigates full-duplex unmanned aerial vehicle (UAV) aided small cell wireless systems, where the UAV serving as the base station (BS) is designed to transmit data to the downlink users and receive data from the uplink users…

信息论 · 计算机科学 2019-12-11 Meng Hua , Luxi Yang , Cunhua Pan , Arumugam Nallanathan

The rapid advancement of Internet of Things (IoT) services and the evolution toward the sixth generation (6G) have positioned unmanned aerial vehicles (UAVs) as critical enablers of low-altitude wireless networks (LAWNs). This work…

信号处理 · 电气工程与系统科学 2025-06-27 Haijia Jin , Jun Wu , Weijie Yuan , Fan Liu , Yuanhao Cui

Unmanned aerial vehicles (UAVs) are now beginning to be deployed for enhancing the network performance and coverage in wireless communication. However, due to the limitation of their on-board power and flight time, it is challenging to…

信号处理 · 电气工程与系统科学 2021-06-08 Khoi Khac Nguyen , Trung Q. Duong , Tan Do-Duy , Holger Claussen , and Lajos Hanzo

This paper studies unmanned aerial vehicle (UAV) enabled wireless communication, where a rotarywing UAV is dispatched to send/collect data to/from multiple ground nodes (GNs). We aim to minimize the total UAV energy consumption, including…

信息论 · 计算机科学 2018-04-09 Yong Zeng , Jie Xu , Rui Zhang

Fast and reliable wireless communication has become a critical demand in human life. In the case of mission-critical (MC) scenarios, for instance, when natural disasters strike, providing ubiquitous connectivity becomes challenging by using…

网络与互联网体系结构 · 计算机科学 2023-05-29 Hongyi Zhang , Zhiqiang Qi , Jingya Li , Anders Aronsson , Jan Bosch , Helena Holmström Olsson

Unmanned aerial vehicles (UAVs) are usually dispatched as mobile sinks to assist data collection in large-scale wireless sensor networks (WSNs). However, when considering the limitations of UAV's mobility and communication capabilities in a…

网络与互联网体系结构 · 计算机科学 2021-03-02 Xindi Wang , Chi-Tsun Cheng , Lei Deng , Xiaojing Chen , Fu Xiao

In this paper, we address the problem of finding the optimal trajectory for an unmanned aerial vehicle (UAV) for improving the wireless coverage of a terrestrial cellular network. In particular, we consider a UAV that is tasked to travel…

信号处理 · 电气工程与系统科学 2019-02-14 Md Moin Uddin Chowdhury , Eyuphan Bulut , Ismail Guvenc

In this paper, we investigate a mobile edge computing (MEC) architecture with the assistance of an unmanned aerial vehicle (UAV). The UAV acts as a computing server to help the user equipment (UEs) compute their tasks as well as a relay to…

信号处理 · 电气工程与系统科学 2019-07-10 Xiaoyan Hu , Kai-Kit Wong , Kun Yang , Zhongbin Zheng

Unmanned aerial vehicles (UAVs) can be used as aerial wireless base stations when cellular networks go down. Prior studies on UAV-based wireless coverage typically consider an Air-to-Ground path loss model, which assumes that the users are…

Mobile edge computing (MEC) provides computational services at the edge of networks by offloading tasks from user equipments (UEs). This letter employs an unmanned aerial vehicle (UAV) as the edge computing server to execute offloaded tasks…

信息论 · 计算机科学 2019-10-25 Yuwen Qian , Feifei Wang , Jun Li , Long Shi , Kui Cai , Feng Shu

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…

信息论 · 计算机科学 2019-12-18 Ju-Hyung Lee , Ki-Hong Park , Young-Chai Ko , Mohamed-Slim Alouini

This paper studies energy-efficient unmanned aerial vehicle (UAV)-enabled wireless communications, where the UAV acts as a flying base station (BS) to serve the ground users (GUs) within some predetermined latency constraints, e.g.,…

信息论 · 计算机科学 2020-06-17 Dinh-Hieu Tran , Thang X. Vu , Symeon Chatzinotas , Shahram ShahbazPanahi , Björn Ottersten

Unmanned aerial vehicle (UAV)-assisted communication is a promising technology in future wireless communication networks. UAVs can not only help offload data traffic from ground base stations (GBSs), but also improve the quality of service…

网络与互联网体系结构 · 计算机科学 2020-05-05 Yukuan Ji , Zhaohui Yang , Hong Shen , Wei Xu , Kezhi Wang , Xiaodai Dong

Unmanned aerial vehicle (UAV) assisted communication is a revolutionary technology that has been recently presented as a potential candidate for beyond fifth-generation millimeter wave (mmWave) communications. Although mmWaves can offer a…

网络与互联网体系结构 · 计算机科学 2025-04-02 Sk Abid Hasan , Lakshmikanta Sau , Sasthi C. Ghosh

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…

信息论 · 计算机科学 2018-02-01 Yundi Wu , Jie Xu , Ling Qiu , Rui Zhang

In this paper, we study the joint 3D placement of unmanned aerial vehicles (UAVs) and UAVs-users association under bandwidth limitation and quality of service constraint. In particular, in order to allow to UAVs to dynamically improve their…

信号处理 · 电气工程与系统科学 2018-10-30 Hajar El Hammouti , Mustapha Benjillali , Basem Shihada , Mohamed-Slim Alouini

This paper studies a rechargeable unmanned aerial vehicle (UAV) assisted wireless network, where a UAV is dispatched to disseminate information to a group of ground terminals (GTs) and returns to a recharging station (RS) before the…

网络与互联网体系结构 · 计算机科学 2021-04-29 Yuan Liao , Vasilis Friderikos