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相关论文: Adaptive Cell Range Expansion in Multi-Band UAV Co…

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To meet increasing data demands, service providers are considering the use of Unmanned aerial vehicles (UAVs) for delivering connectivity as aerial base stations (BSs). UAVs are especially important to provide connectivity in case of…

To support high data rate urgent or ad hoc communications, we consider mmWave UAV cellular networks and the associated challenges and solutions. To enable fast beamforming training and tracking, we first investigate a hierarchical structure…

信息论 · 计算机科学 2016-11-17 Zhenyu Xiao , Pengfei Xia , Xiang-Gen Xia

Enabling the high data rates of millimeter wave (mmWave) cellular systems requires deploying large antenna arrays at both the basestations and mobile users. The beamforming weights of these large arrays need to be tuned to guarantee…

信息论 · 计算机科学 2016-02-23 Ahmed Alkhateeb , Young-Han Nam , Md Saifur Rahman , Jianzhong Zhang , Robert W. Heath

Modern day wireless networks have tremendously evolved driven by a sharp increase in user demands, continuously requesting more data and services. This puts significant strain on infrastructure based macro cellular networks due to the…

网络与互联网体系结构 · 计算机科学 2016-11-17 Vishal Sharma , Mehdi Bennis , Rajesh Kumar

Recently, movable antenna (MA) array becomes a promising technology for improving the communication quality in wireless communication systems. In this letter, an unmanned aerial vehicle (UAV) enabled multi-user multi-input-single-output…

信号处理 · 电气工程与系统科学 2024-10-24 Wenchao Liu , Xuhui Zhang , Huijun Xing , Jinke Ren , Yanyan Shen , Shuguang Cui

The development of mobile virtual network operators, where multiple wireless technologies (e.g. 3G and 4G) or operators with non-overlapping bandwidths are pooled and shared is expected to provide enhanced service with broader coverage,…

信息论 · 计算机科学 2016-03-23 Abishek Sankararaman , Jeong-woo Cho , Francois Baccelli

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

We propose a fixed wing unmanned aerial vehicles (UAV)-based millimeter wave (mmWave) backhaul links, that is offered as a cost effective and easy to deploy solution, to connect a disaster or remote area to the nearest core network. First,…

信号处理 · 电气工程与系统科学 2022-04-13 Mohammad Taghi Dabiri , Mazen Omar Hasna , Nizar Zorba , Tamer Khattab

Up until now, path planning for unmanned aerial vehicles (UAVs) has mainly been focused on the optimisation towards energy efficiency. However, to operate UAVs safely, wireless coverage is of utmost importance. Currently, deployed cellular…

信号处理 · 电气工程与系统科学 2019-05-09 Sibren De Bast , Evgenii Vingradov , Sofie Pollin

Cellular networks are promising to support effective wireless communications for unmanned aerial vehicles (UAVs), which will help to enable various long-range UAV applications. However, these networks are optimized for terrestrial users,…

网络与互联网体系结构 · 计算机科学 2019-06-04 Hongyu Yang , Jun Zhang , S. H. Song , Khaled B. Lataief

We study support for unmanned aerial vehicle (UAV) communications through a cell-free massive MIMO architecture. Under the general assumption that the propagation channel between the mobile stations, either UAVs or ground users, and the…

信号处理 · 电气工程与系统科学 2019-02-12 Carmen D'Andrea , Adrian Garcia-Rodriguez , Giovanni Geraci , Lorenzo Galati Giordano , Stefano Buzzi

Communication at mmWave bands carries critical importance for 5G wireless networks. In this paper, we study the characterization of mmWave air-to-ground (AG) channels for unmanned aerial vehicle (UAV) communications. In particular, we use…

信息论 · 计算机科学 2017-10-17 Wahab Khawaja , Ozgur Ozdemir , Ismail Guvenc

Millimeter wave (mmWave)-enabled unmanned aerial vehicle (UAV) swarm networks (UAVSNs) can utilize a large spectrum of resources to provide low latency and high data transmission rate. Additionally, owing to the short wavelength, UAVs…

系统与控制 · 电气工程与系统科学 2024-10-16 Muhammad Morshed Alam , Sangman Moh

In this article, we introduce a method to optimize 5G massive multiple-input multiple-output (mMIMO) connectivity for unmanned aerial vehicles (UAVs) on aerial highways through strategic cell association. UAVs operating in 3D space…

信息论 · 计算机科学 2024-09-04 Matteo Bernabe , David Lopez-Perez , Nicola Piovesan , Giovanni Geraci , David Gesbert

Recently, the use of millimeter wave (mmW) frequencies has emerged as a promising solution for wirelessly connecting unmanned aerial vehicles (UAVs) to ground users. However, employing UAVassisted directional mmW links is challenging due to…

信号处理 · 电气工程与系统科学 2020-03-03 Mohammad Taghi Dabiri , Mohsen Rezaee , Behrouz Maham , Walid Saad , Choong Seon Hong

One primary focus of next generation wireless communication networks is the millimeterwave (mmWave) spectrum, typically considered in the 30 GHz to 300 GHz frequency range. Despite their promise of high data rates, mmWaves suffer from…

网络与互联网体系结构 · 计算机科学 2025-07-01 Shawon Mitra , Subhojit Sarkar , Sasthi C. Ghosh

This paper advocates a pair of strategies in non-orthogonal multiple access (NOMA) in unmanned aerial vehicles (UAVs) communications, where multiple UAVs play as new aerial communications platforms for serving terrestrial NOMA users. A new…

信息论 · 计算机科学 2019-07-12 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen

Mobility management is a major challenge for the wide-spread deployment of millimeter-wave (mmWave) cellular networks. In particular, directional beamforming in mmWave devices renders high-speed mobility support very complex. This…

信号处理 · 电气工程与系统科学 2019-12-17 Somayeh Aghashahi , Samaneh Aghashahi , Zolfa Zeinalpour-Yazdi , Aliakbar Tadaion , Arash Asadi

The unmanned aerial vehicle (UAV)-based wireless mesh networks can economically provide wireless services for the areas with disasters. However, the capacity of air-to-air communications is limited due to the multi-hop transmissions. In…

机器人学 · 计算机科学 2023-11-28 Zhiqing Wei , Zijun Guo , Zhiyong Feng , Jialin Zhu , Caijun Zhong , Qihui Wu , Huici Wu

In future drone applications fast moving unmanned aerial vehicles (UAVs) will need to be connected via a high throughput ultra reliable wireless link. MmWave communication is assumed to be a promising technology for UAV communication, as…

信号处理 · 电气工程与系统科学 2020-10-08 Achiel Colpaert , Evgenii Vinogradov , Sofie Pollin