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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…

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless powered communication network (WPCN), in which a UAV is dispatched as a mobile access point (AP) to serve a set of ground users periodically. The UAV employs the radio…

信息论 · 计算机科学 2018-10-10 Lifeng Xie , Jie Xu , Rui Zhang

This paper studies the improvement of the achievable end-to-end data rate of ground users assisted with unmanned aerial vehicles (UAVs) and tethered balloons (TBs). The goal is to maximize the end-to-end throughput of a network suffering…

网络与互联网体系结构 · 计算机科学 2019-12-10 Ala Alzidaneen , Ahmad Alsharoa , Mohamed-Slim Alouini

In mobile networks, unmanned aerial vehicles (UAVs) acting as flying base stations (FlyBSs) can effectively improve performance. Nevertheless, such potential improvement requires an efficient positioning of the FlyBS. In this paper, we…

系统与控制 · 电气工程与系统科学 2023-01-20 Mohammadsaleh Nikooroo , Zdenek Becvar , Omid Esrafilian , David Gesbert

Unmanned aerial vehicles (UAVs) fill coverage holes as wireless relays during emergency situations. Fixed-wing UAVs offer longer flight duration and larger coverage in such situations than rotary-wing counterparts. Maximizing the…

信息论 · 计算机科学 2026-03-31 Daniel T. Bonkowsky , Ibrahim Kilinc , Robert W. Heath

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 this article, we investigate the content distribution in the hotspot area, whose traffic is offloaded by the combination of the unmanned aerial vehicle (UAV) communication and edge caching. In cache-enabling UAV-assisted cellular…

信号处理 · 电气工程与系统科学 2020-08-13 Tiankui Zhang , Yi Wang , Yuanwei Liu , Wenjun Xu , Arumugam Nallanathan

Driven by the recent advancement in unmanned aerial vehicle (UAV) technology, this paper proposes a new wireless network architecture of \emph{coordinate multipoint (CoMP) in the sky} to harness both the benefits of interference mitigation…

信息论 · 计算机科学 2018-03-01 Liang Liu , Shuowen Zhang , Rui Zhang

The need for a rapid-to-deploy solution for providing wireless cellular services can be realized by unmanned aerial vehicle base stations (UAV-BSs). To the best of our knowledge, this letter is the first in literature that studies a novel…

信息论 · 计算机科学 2017-09-18 Mohamed Alzenad , Amr El-Keyi , Halim Yanikomeroglu

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

In this paper, the effective use of flight-time constrained unmanned aerial vehicles (UAVs) as flying base stations that can provide wireless service to ground users is investigated. In particular, a novel framework for optimizing the…

信息论 · 计算机科学 2017-04-18 Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

Unmanned aerial vehicles (UAVs), commonly known as drones, are becoming increasingly popular for various applications. Freely flying drones create highly dynamic environments, where conventional routing algorithms which rely on stationary…

网络与互联网体系结构 · 计算机科学 2018-06-13 Mehrdad Khaledi , Arnau Rovira-Sugranes , Fatemeh Afghah , Abolfazl Razi

This paper investigates a new downlink nonorthogonal multiple access (NOMA) system, where a multiantenna unmanned aerial vehicle (UAV) is powered by wireless power transfer (WPT) and serves as the base station for multiple pairs of ground…

信息论 · 计算机科学 2022-04-21 Zhongyu Wang , Tiejun Lv , Jie Zeng , Wei Ni

This article investigates the cache-enabling unmanned aerial vehicle (UAV) cellular networks with massive access capability supported by non-orthogonal multiple access (NOMA). The delivery of a large volume of multimedia contents for ground…

信号处理 · 电气工程与系统科学 2020-08-13 Tiankui Zhang , Ziduan Wang , Yuanwei Liu , Wenjun Xu , Arumugam Nallanathan

In recent years, Unmanned Aerial Vehicles (UAVs) have been utilized as effective platforms for carrying Wi-Fi Access Points (APs) and cellular Base Stations (BSs), enabling low-cost, agile, and flexible wireless networks with high Quality…

网络与互联网体系结构 · 计算机科学 2025-07-25 Kamal Shayegan

Fifth generation (5G) and beyond-5G (B5G) systems expect coverage and capacity enhancements along with the consideration of limited power, cost and spectrum. Densification of small cells (SCs) is a promising approach to cater these demands…

网络与互联网体系结构 · 计算机科学 2018-02-06 Syed Awais Wahab Shah , Tamer Khattab , Muhammad Zeeshan Shakir , Mohammad Galal Khafagy , Mazen Omar Hasna

The wireless backhaul network provides an attractive solution for the urban deployment of fifth generation (5G) wireless networks that enables future ultra dense small cell networks to meet the ever-increasing user demands. Optimal…

网络与互联网体系结构 · 计算机科学 2018-11-20 Xiaohu Ge , Song Tu , Guoqiang Mao , Vincent K. N. Lau , Linghui Pan

Artificial intelligence (AI) assisted unmanned aerial vehicle (UAV) aided next-generation networking is proposed for dynamic environments. In the AI-enabled UAV-aided wireless networks (UAWN), multiple UAVs are employed as aerial base…

信号处理 · 电气工程与系统科学 2020-02-03 Xiao Liu , Mingzhe Chen , Yuanwei Liu , Yue Chen , Shuguang Cui , Lajos Hanzo

Unmanned aerial vehicle (UAV)-assisted communications is a promising solution to improve the performance of future wireless networks, where UAVs are deployed as base stations for enhancing the quality of service (QoS) provided to ground…

信号处理 · 电气工程与系统科学 2020-08-10 Xukai Zhong , Yiming Huo , Xiaodai Dong , Zhonghua Liang

The mushroom growth of cellular users requires novel advancements in the existing cellular infrastructure. One way to handle such a tremendous increase is to densely deploy terrestrial small-cell base stations (TSBSs) with careful…

信号处理 · 电气工程与系统科学 2021-05-04 Muhammad K. Shehzad , Arsalan Ahmad , Syed Ali Hassan , Haejoon Jung