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A novel approach that combines visible light communication (VLC) with unmanned aerial vehicles (UAVs) to simultaneously provide flexible communication and illumination is proposed. To minimize the power consumption, the locations of UAVs…

Signal Processing · Electrical Eng. & Systems 2019-05-13 Yang Yang , Mingzhe Chen , Caili Guo , Chunyan Feng , Walid Saad

In this letter, we propose to employ movable antenna (MA) to enhance covert communications with noise uncertainty, where the confidential data is transmitted from an MA-aided access point (AP) to multiple users with a warden attempting to…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Haobin Mao , Xiangyu Pi , Lipeng Zhu , Zhenyu Xiao , Xiang-Gen Xia , Rui Zhang

Aerial-ground interference mitigation has been deemed as the main challenge in realizing cellular-connected unmanned aerial vehicle (UAV) communications. Due to the line-of-sight (LoS)-dominant air-ground channels, the UAV generates/suffers…

Information Theory · Computer Science 2020-02-03 Weidong Mei , Rui Zhang

Aerial-ground interference mitigation is a challenging issue in the cellular-connected unmanned aerial vehicle (UAV) communications. Due to the strong line-of-sight (LoS) air-to-ground (A2G) channels, the UAV may impose/suffer more severe…

Information Theory · Computer Science 2019-02-15 Weidong Mei , Rui Zhang

One of the key enablers for the realization of a variety of unmanned aerial vehicle (UAV)-based systems is the high-performance communication system linking many UAVs and ground station. We have proposed a spectrum-efficient full-duplex…

Information Theory · Computer Science 2022-11-07 Tao Yu , Kento Kajiwara , Kiyomichi Araki , Kei Sakaguchi

In this paper, performance of a lossy cooperative unmanned aerial vehicle (UAV) relay communication system is analyzed. In this system, the UAV relay adopts lossy forward (LF) strategy and the receiver has certain distortion requirements…

Networking and Internet Architecture · Computer Science 2024-10-04 Ya Lian , Wensheng Lin , Lixin Li , Fucheng Yang , Zhu Han , Tad Matsumoto

Multi-way and device-to-device (D2D) communications are currently considered for the design of future communication systems. Unmanned aerial vehicles (UAVs) can be effectively deployed to extend the communication range of D2D networks. To…

Information Theory · Computer Science 2018-05-22 Jaber Kakar , Anas Chaaban , Vuk Marojevic , Aydin Sezgin

The use of unmanned aerial vehicles (UAVs) is strongly advocated for sixth-generation (6G) networks, as the 6G standard will not be limited to improving broadband services, but will also target the extension of the geographical cellular…

Signal Processing · Electrical Eng. & Systems 2022-08-26 Mohamed-Amine Lahmeri , Mustafa A. Kishk , Mohamed-Slim Alouini

The line-of-sight dominant air-ground channels have posed critical interference issues in cellular-connected unmanned aerial vehicle (UAV) communications. In this paper, we propose a new base station (BS) cooperative beamforming (CB)…

Information Theory · Computer Science 2019-11-26 Weidong Mei , Rui Zhang

Many use cases of unmanned aerial vehicles (UAVs) require beyond visual line-of-sight (LOS) communications. Mobile networks offer wide area, high speed, and secure wireless connectivity, which can enhance control and safety of UAV…

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…

Systems and Control · Electrical Eng. & Systems 2022-09-13 Zheyuan Yang , Suzhi Bi , Ying-Jun Angela Zhang

Unmanned aerial vehicles (UAVs) are expected to be an important new class of users in the fifth generation (5G) and beyond 5G cellular networks. In particular, there are emerging UAV applications such as aerial photograph and data relaying…

Information Theory · Computer Science 2018-10-26 Liang Liu , Shuowen Zhang , Rui Zhang

In this paper, the problem of unmanned aerial vehicle (UAV) deployment, power allocation, and bandwidth allocation is investigated for a UAV-assisted wireless system operating at terahertz (THz) frequencies. In the studied model, one UAV…

Information Theory · Computer Science 2021-03-16 Luyao Xu , Ming Chen , Mingzhe Chen , Zhaohui Yang , Christina Chaccour , Walid Saad , Choong Seon Hong

For unmanned aerial vehicle (UAV) aided millimeter wave (mmWave) networks, we propose a unified three-dimensional (3D) spatial framework in this paper to model a general case that uncovered users send messages to base stations via UAVs.…

Information Theory · Computer Science 2019-09-27 Wenqiang Yi , Yuanwei Liu , Eliane Bodanese , Arumugam Nallanathan , George K. Karagiannidis

Wireless access points on unmanned aerial vehicles (UAVs) are being considered for mobile service provisioning in commercial networks. To be able to efficiently use these devices in cellular networks it is necessary to first have a…

Networking and Internet Architecture · Computer Science 2018-01-22 Boris Galkin , Jacek Kibiłda , Luiz A. DaSilva

In Unmanned Aerial Vehicle (UAV)-enabled mobile edge computing (MEC) systems, UAVs can carry edge servers to help ground user equipment (UEs) offloading their computing tasks to the UAVs for execution. This paper aims to minimize the total…

Multiagent Systems · Computer Science 2020-10-27 Sujunjie Sun , Guopeng Zhang , Haibo Mei , Kezhi Wang , Kun Yang

This paper explores the effects of three-dimensional (3D) antenna radiation pattern and backhaul constraint on optimal 3D path planning problem of an unmanned aerial vehicle (UAV), in interference prevalent downlink cellular networks. We…

Signal Processing · Electrical Eng. & Systems 2020-04-15 Md Moin Uddin Chowdhury , Sung Joon Maeng , Eyuphan Bulut , Ismail Guvenc

This paper studies a secrecy unmanned aerial vehicle (UAV) communication system with coordinated multi-point (CoMP) reception, in which one UAV sends confidential messages to a set of distributed ground nodes (GNs) that can cooperate in…

Signal Processing · Electrical Eng. & Systems 2019-05-28 Jianping Yao , Canhui Zhong , Zhihan Liu , Jie Xu

Cellular-connected unmanned aerial vehicle (UAV) communications is an enabling technology to transmit control signaling or payload data for UAVs through cellular networks. Due to the line-of-sight (LoS) dominant air-to-ground channels,…

Signal Processing · Electrical Eng. & Systems 2024-09-23 Tianshi Ren , Xianchao Zhang , Lipeng Zhu , Wenyan Ma , Xiaozheng Gao , Rui Zhang

The growing use of Unmanned Aerial Vehicles (UAVs) for various applications requires ubiquitous and reliable connectivity for safe control and data exchange between these devices and ground terminals. Depending on the application,…

Networking and Internet Architecture · Computer Science 2019-01-09 Evgenii Vinogradov , Hazem Sallouha , Sibren De Bast , Mohammad Mahdi Azari , Sofie Pollin