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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…

Signal Processing · Electrical Eng. & Systems 2020-08-13 Tiankui Zhang , Ziduan Wang , Yuanwei Liu , Wenjun Xu , Arumugam Nallanathan

This paper investigates a full-duplex orthogonal-frequency-division multiple access (OFDMA) based multiple unmanned aerial vehicles (UAVs)-enabled wireless-powered Internet-of-Things (IoT) networks. In this paper, a swarm of UAVs is first…

Information Theory · Computer Science 2020-08-10 Han-Ting Ye , Xin Kang , Jingon Joung , Ying-Chang Liang

In this paper, we study power-efficient resource allocation for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The resource allocation algorithm design is formulated as a non-convex optimization problem which jointly designs…

Information Theory · Computer Science 2017-05-18 Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan , Hui-Ming Wang

Devices operating in Internet of Things (IoT) networks may be deployed across vast geographical areas and interconnected via multi-hop communications. Further, they may be unguarded. This makes them vulnerable to attacks and motivates…

Networking and Internet Architecture · Computer Science 2025-07-08 Yizhou Luo , Kwan-Wu Chin , Ruyi Guan , Xi Xiao , Caimeng Wang , Jingyin Feng , Tengjiao He

Unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) system is a prominent concept, where a UAV equipped with a MEC server is deployed to serve a number of terminal devices (TDs) of Internet of Things (IoT) in a finite period.…

Signal Processing · Electrical Eng. & Systems 2020-08-13 Tiankui Zhang , Yu Xu , Jonathan Loo , Dingcheng Yang , Lin Xiao

This paper proposes a UAV-assisted forwarding system based on distributed beamforming to enhance age of information (AoI) in Internet of Things (IoT). Specifically, UAVs collect and relay data between sensor nodes (SNs) and the remote base…

Artificial Intelligence · Computer Science 2025-02-14 Zifan Lang , Guixia Liu , Geng Sun , Jiahui Li , Zemin Sun , Jiacheng Wang , Victor C. M. Leung

Non-orthogonal multiple access (NOMA) is a key technology to enable massive machine type communications (mMTC) in 5G networks and beyond. In this paper, NOMA is applied to improve the random access efficiency in high-density…

Networking and Internet Architecture · Computer Science 2024-10-28 Sami Khairy , Prasanna Balaprakash , Lin X. Cai , H. Vincent Poor

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless sensor network, in which one UAV flies in the sky to collect the data transmitted from a set of sensors via distributed beamforming. We consider the delay-sensitive…

Information Theory · Computer Science 2020-03-10 Tianxin Feng , Lifeng Xie , Jianping Yao , Jie Xu

In this paper, we investigate resource allocation design for unmanned aerial vehicle (UAV)-enabled communication systems, where a UAV is dispatched to provide communications to multiple user nodes. Our objective is to maximize the…

Information Theory · Computer Science 2018-09-06 Ruide Li , Zhiqiang Wei , Lei Yang , Derrick Wing Kwan Ng , Nan Yang , Jinhong Yuan , Jianping An

As the integration of unmanned aerial vehicles (UAVs) into visible light communications (VLC) can offer many benefits for massive-connectivity applications and services in 5G and beyond, this work considers a UAV-assisted VLC using…

Machine Learning · Computer Science 2021-01-12 Quoc-Viet Pham , Thien Huynh-The , Mamoun Alazab , Jun Zhao , Won-Joo Hwang

This paper proposes a novel non-orthogonal multiple access (NOMA)-assisted orthogonal time-frequency space (OTFS)-integrated sensing and communication (ISAC) network, which uses unmanned aerial vehicles (UAVs) as air base stations to…

Signal Processing · Electrical Eng. & Systems 2023-10-24 Luping Xiang , Ke Xu , Jie Hu , Christos Masouros , Kun Yang

Unmanned aerial vehicle (UAV)-based networks and Internet of Things (IoT) are being considered as integral components of current and next-generation wireless networks. In particular, UAVs can provide IoT devices with seamless connectivity…

Systems and Control · Electrical Eng. & Systems 2023-12-12 Xueyuan Wang , M. Cenk Gursoy

In the past decade, Unmanned Aerial Vehicles (UAVs) have grabbed the attention of researchers in academia and industry for their potential use in critical emergency applications, such as providing wireless services to ground users and…

Machine Learning · Computer Science 2024-01-23 Marwan Dhuheir , Aiman Erbad , Ala Al-Fuqaha

In this paper, we investigate a private and cache-enabled unmanned aerial vehicle (UAV) network for content provision. Aiming at delivering fresh, fair, and energy-efficient content files to terrestrial users, we formulate a joint UAV…

Networking and Internet Architecture · Computer Science 2022-02-23 Peng Yang , Kun Guo , Xing Xi , Tony Q. S. Quek , Xianbin Cao , Chenxi Liu

Unmanned aerial vehicles (UAVs) have been proposed as a promising technology to collect data from IoT devices and relay it to the network. In this work, we are interested in scenarios where the data is updated periodically, and the…

Optimization and Control · Mathematics 2022-09-13 Mouhamed Naby Ndiaye , El Houcine Bergou , Mounir Ghogho , Hajar El Hammouti

Unmanned aerial vehicles (UAVs) have played an important role in air-ground integration network. Especially in Internet of Things (IoT) services, UAV equipped with communication equipments is widely adopted as a mobile base station (BS) for…

Information Theory · Computer Science 2020-10-23 Bin Li , Xianzhen Guo , Ruonan Zhang , Xiaojiang Du , Mohsen Guizani

In this paper, we consider a light fidelity (LiFi)-enabled bidirectional Internet of Things (IoT) communication system, where visible light and infrared light are used in the downlink and uplink, respectively. In order to improve the energy…

Signal Processing · Electrical Eng. & Systems 2021-12-02 Chen Chen , Shu Fu , Xin Jian , Min Liu , Xiong Deng , Zhiguo Ding

This paper investigates a master unmanned aerial vehicle (MUAV)-powered Internet of Things (IoT) network, in which we propose using a rechargeable auxiliary UAV (AUAV) equipped with an intelligent reflecting surface (IRS) to enhance the…

Systems and Control · Electrical Eng. & Systems 2021-12-21 Jingren Xu , Xin Kang , Ronghaixiang Zhang , Ying-Chang Liang , Sumei Sun

Device-to-device (D2D) and non-orthogonal multiple access (NOMA) are promising technologies to meet the challenges of the next generations of mobile communications in terms of network density and diversity for internet of things (IoT)…

Information Theory · Computer Science 2021-04-09 Antoine Kilzi , Joumana Farah , Charbel Abdel Nour , Catherine Douillard

This paper investigates a multi-Unmanned Aerial Vehicle (UAV) joint base station-assisted Internet of Vehicles (IoV) task offloading system in dense urban environments. To minimize system delay and energy consumption under strict coupling…

Networking and Internet Architecture · Computer Science 2026-05-07 Maoxin Ji , Qiong Wu , Pingyi Fan , Cui Zhang , Nan Cheng , Wen Chen , Khaled B. Letaief