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Recently, movable antennas (MAs) have garnered immense attention due to their capability to favorably alter channel conditions through agile movement. In this letter, we delve into a spectrum sharing system enabled by unmanned aerial…

数值分析 · 数学 2026-01-06 Xiao-Wei Tang , Yunmei Shi , Yi Huang , Qingqing Wu

In this paper we study the deployment of multiple unmanned aerial vehicles (UAVs) to form a temporal UAV network for the provisioning of emergent communications to affected people in a disaster zone, where each UAV is equipped with a…

分布式、并行与集群计算 · 计算机科学 2021-07-20 Wenzheng Xu , Yueying Sun , Rui Zou , Weifa Liang , Qiufen Xia , Feng Shan , Tian Wang , Xiaohua Jia , Zheng Li

In this paper, we investigate joint 3-dimensional (3D) trajectory planning and resource allocation for rotary-wing unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) sensing. To support emerging real-time SAR applications and…

信号处理 · 电气工程与系统科学 2024-04-02 Mohamed-Amine Lahmeri , Walid R. Ghanem , Christina Bonfert , Robert Schober

A swarm of cooperating UAVs communicating with a distant multiantenna ground station can leverage MIMO spatial multiplexing to scale the capacity. Due to the line-of-sight propagation between the swarm and the ground station, the MIMO…

信号处理 · 电气工程与系统科学 2021-04-30 Samer Hanna , Enes Krijestorac , Danijela Cabric

In this paper, considering an interference limited inband downlink cellular network, we study the effects of scheduling criteria, mobility constraints, path loss models, backhaul constraints, and 3D antenna radiation pattern on trajectory…

信号处理 · 电气工程与系统科学 2019-03-06 Md Moin Uddin Chowdhury , Sung Joon Maeng , Eyuphan Bulut , Ismail Guvenc

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,…

信号处理 · 电气工程与系统科学 2022-09-29 Xuezhen Yan , Xuming Fang , Cailian Deng , Xianbin Wang

This paper systematically studies the cooperative area coverage and target tracking problem of multiple-unmanned aerial vehicles (multi-UAVs). The problem is solved by decomposing into three sub-problems: information fusion, task…

多智能体系统 · 计算机科学 2023-03-17 Mengge Zhang , Jie Li , Xiangke Wang

One of the most critical applications undertaken by coalitions of Unmanned Aerial Vehicles (UAVs) and Unmanned Ground Vehicles (UGVs) is reaching predefined targets by following the most time-efficient routes while avoiding collisions.…

Tracking position and orientation independently affords more agile maneuver for over-actuated multirotor Unmanned Aerial Vehicles (UAVs) while introducing undesired downwash effects; downwash flows generated by thrust generators may…

机器人学 · 计算机科学 2022-07-21 Yao Su , Chi Chu , Meng Wang , Jiarui Li , Liu Yang , Yixin Zhu , Hangxin Liu

This work considers the placement of unmanned aerial vehicle base stations (UAV-BSs) with criterion of minimum UAV-recall-frequency (UAV-RF), indicating the energy efficiency of mobile UAVs networks. Several different power consumptions,…

信息论 · 计算机科学 2017-09-12 Jiaxun Lu , Shuo Wan , Xuhong Chen , Zhengchuan Chen , Pingyi Fan , Khaled B. Letaief

In this paper, an unmanned aerial vehicle (UAVs)-assisted visible light communication (VLC) has been considered which has two tiers: UAV-to-centroid and device-to-device (D2D). In the UAV-to-centroid tier, each UAV can simultaneously…

信号处理 · 电气工程与系统科学 2023-06-05 Alireza Qazavi , Foroogh S Tabataba , Mehdi Naderi Soorki

In this paper, the optimal deployment of multiple unmanned aerial vehicles (UAVs) acting as flying base stations is investigated. Considering the downlink scenario, the goal is to minimize the total required transmit power of UAVs while…

信息论 · 计算机科学 2016-02-05 Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

We consider device-to-device (D2D) wireless information and power transfer systems using an unmanned aerial vehicle (UAV) as a relay-assisted node. As the energy capacity and flight time of UAVs is limited, a significant issue in deploying…

信息论 · 计算机科学 2018-09-07 Minh-Nghia Nguyen , Long D. Nguyen , Trung Q. Duong , Hoang Duong Tuan

In this paper, a new framework for optimizing the resource allocation in a millimeter-wave-non-orthogonal multiple access (mmWave-NOMA) communication for crowded venues is proposed. MmWave communications suffer from severe blockage caused…

信号处理 · 电气工程与系统科学 2020-10-13 Foad Barghikar , Foroogh S. Tabataba , Mehdi Naderi Soorki

In this paper, we investigate resource allocation algorithm design for multiuser unmanned aerial vehicle (UAV) communication systems in the presence of UAV jittering and user location uncertainty. In particular, we jointly optimize the…

信息论 · 计算机科学 2018-09-12 Dongfang Xu , Yan Sun , Derrick Wing Kwan Ng , Robert Schober

This study proposes an approach for establishing an optimal multihop ad-hoc network using multiple unmanned aerial vehicles (UAVs) to provide emergency communication in disaster areas. The approach includes two stages, one uses particle…

机器人学 · 计算机科学 2022-12-27 Ngan Duong Thi Thuy , Duy Nam Bui , Manh Duong Phung , Hung Pham Duy

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…

信号处理 · 电气工程与系统科学 2018-08-01 Hakim Ghazzai , Mahdi Ben Ghorbel , Andreas Kassler , Md. Jahangir Hossain

This paper considers a patrol inspection scenario where multiple unmanned aerial vehicles (UAVs) are adopted to traverse multiple predetermined cruise points for data collection. The UAVs are connected to cellular networks and they would…

网络与互联网体系结构 · 计算机科学 2024-11-06 Kuan Jia , Dingcheng Yang , Yapeng Wang , Tianyun Shui , Chenji Liu

Unmanned Aerial vehicles (UAVs) are widely used as network processors in mobile networks, but more recently, UAVs have been used in Mobile Edge Computing as mobile servers. However, there are significant challenges to use UAVs in complex…

多智能体系统 · 计算机科学 2021-05-20 Huan Chang , Yicheng Chen , Baochang Zhang , David Doermann

Unmanned aerial vehicle (UAV) has recently attracted a lot of attention as a candidate to meet the 6G ubiquitous connectivity demand and boost the resiliency of terrestrial networks. Thanks to the high spectral efficiency and low latency,…

网络与互联网体系结构 · 计算机科学 2023-01-03 Ahmed Benfaid , Nadia Adem , Bassem Khalfi