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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

Unmanned aerial vehicle (UAV) is regarded as a key enabling platform for low-altitude economy, due to its advantages such as 3D maneuverability, flexible deployment, and LoS air-to-air/ground communication links. In particular, the…

信息论 · 计算机科学 2026-04-28 Haiquan Lu , Yong Zeng , Shaodan Ma , Bin Li , Shi Jin , Rui Zhang

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 resource allocation and trajectory design for energy-efficient secure unmanned aerial vehicle (UAV) communication systems where a UAV base station serves multiple legitimate ground users in the existence of a…

信息论 · 计算机科学 2019-01-29 Yuanxin Cai , Zhiqiang Wei , Ruide Li , Derrick Wing Kwan Ng , Jinhong Yuan

An unmanned aerial vehicle (UAV)-aided secure communication system is conceived and investigated, where the UAV transmits legitimate information to a ground user in the presence of an eavesdropper (Eve). To guarantee the security, the UAV…

信号处理 · 电气工程与系统科学 2020-08-25 Kaidi Xu , Ming-Min Zhao , Yunlong Cai , Lajos Hanzo

Modern communication systems need to fulfill multiple and often conflicting objectives at the same time. In particular, new applications require high reliability while operating at low transmit powers. Moreover, reliability constraints may…

信息论 · 计算机科学 2024-04-05 Irshad A. Meer , Karl-Ludwig Besser , Mustafa Ozger , H. Vincent Poor , Cicek Cavdar

In this paper, we focus on a typical cooperative communication system with one pair of source and destination, where a unmanned aerial vehicle (UAV) flying from a start location to an end location serves as a mobile relay. To efficiently…

网络与互联网体系结构 · 计算机科学 2017-10-11 Sixing Yin , Jing Tan , Lihua Li

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

Aerial base stations (BSs) attached to unmanned aerial vehicles (UAVs) constitute a new paradigm for next-generation cellular communications. However, the flight range and communication capacity of aerial BSs are usually limited due to the…

信息论 · 计算机科学 2020-01-31 Lin Xiang , Lei Lei , Symeon Chatzinotas , Björn Ottersten , Robert Schober

Unmanned aerial vehicle (UAV) networks have grown rapidly in recent years and become attractive for various emergence communications scenarios. In this paper, we consider a UAV acting as a relay node to assist wireless transmissions from a…

信息论 · 计算机科学 2019-05-03 Hui Tu , Jia Zhu , Yulong Zou

In this paper, the optimal trajectory and deployment 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 2016-07-12 Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

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…

信息论 · 计算机科学 2017-10-13 Guangchi Zhang , Qingqing Wu , Miao Cui , Rui Zhang

We propose an effective interference management and beamforming mechanism for uplink communication systems that yields fair allocation of rates. In particular, we consider a hotspot area of a millimeter-wave (mmWave) access network…

网络与互联网体系结构 · 计算机科学 2021-08-10 Rafail Ismayilov , Bernd Holfeld , Renato L. G. Cavalcante , Megumi Kaneko

This paper investigates a new scenario of spectrum sharing between unmanned aerial vehicle (UAV) and terrestrial wireless communication, in which a cognitive/secondary UAV transmitter communicates with a ground secondary receiver (SR), in…

信息论 · 计算机科学 2019-08-16 Yuwei Huang , Weidong Mei , Jie Xu , Ling Qiu , Rui Zhang

Wireless communication networks have been witnessing an unprecedented demand due to the increasing number of connected devices and emerging bandwidth-hungry applications. Albeit many competent technologies for capacity enhancement purposes,…

Unmanned aerial vehicles (UAVs) have attracted significant interest recently in wireless communication due to their high maneuverability, flexible deployment, and low cost. This paper studies a UAV-enabled wireless network where the UAV is…

信息论 · 计算机科学 2017-04-10 Qingqing Wu , Yong Zeng , Rui Zhang

The use of the unmanned aerial vehicle (UAV) has been foreseen as a promising technology for the next generation communication networks. Since there are no regulations for UAVs deployment yet, most likely they form a network in coexistence…

网络与互联网体系结构 · 计算机科学 2019-04-17 Ali Rahmati , Seyyedali Hosseinalipour , Yavuz Yapici , Xiaofan He , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyan

This paper studies an unmanned aerial vehicle (UAV)-enabled two-user interference channel for wireless powered communication networks (WPCNs), in which two UAVs wirelessly charge two low-power Internet-of-things (IoT)-devices on the ground…

信息论 · 计算机科学 2019-10-11 Lifeng Xie , Jie Xu , Yong Zeng

In emergency scenarios, unmanned aerial vehicles (UAVs) can be deployed to assist localization and communication services for ground terminals. In this paper, we propose a new integrated air-ground networking paradigm that uses…

系统与控制 · 电气工程与系统科学 2022-09-13 Zheyuan Yang , Suzhi Bi , Ying-Jun Angela Zhang

Unmanned Aerial Vehicle (UAV) has been recognized as a promising way to assist future wireless communications due to its high flexibility of deployment and scheduling. In this paper, we focus on temporarily deployed UAVs that provide…

信号处理 · 电气工程与系统科学 2018-01-30 Zhiwen Hu , Zijie Zheng , Lingyang Song , Tao Wang , Xiaoming Li