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Unmanned aerial vehicles (UAVs) have emerged as a promising solution to provide wireless data access for ground users in various applications (e.g., in emergence situations). This paper considers a UAV-enabled wireless network, in which…

Information Theory · Computer Science 2019-03-21 Peiming Li , Jie Xu

In this paper, the problem of proactive deployment of cache-enabled unmanned aerial vehicles (UAVs) for optimizing the quality-of-experience (QoE) of wireless devices in a cloud radio access network (CRAN) is studied. In the considered…

Information Theory · Computer Science 2016-10-11 Mingzhe Chen , Mohammad Mozaffari , Walid Saad , Changchuan Yin , Mérouane Debbah , Choong-Seon Hong

In this article, we investigate the content distribution in the hotspot area, whose traffic is offloaded by the combination of the unmanned aerial vehicle (UAV) communication and edge caching. In cache-enabling UAV-assisted cellular…

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

The use of unmanned aerial vehicles (UAVs) operating as aerial base stations (BSs) has emerged as a promising solution especially in scenarios requiring rapid deployments (e.g., in the cases of crowded hotspots, sporting events,…

Information Theory · Computer Science 2018-06-13 Esma Turgut , Mustafa Cenk Gursoy

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 2017-10-13 Boris Galkin , Jacek Kibiłda , Luiz A. DaSilva

This paper considers LEO satellite- and cache-assisted UAV communications for content delivery in terrestrial networks, which shows great potential for next-generation systems to provide ubiquitous connectivity and high capacity.…

Information Theory · Computer Science 2021-06-10 Dinh-Hieu Tran , Symeon Chatzinotas , Björn Ottersten

An integrated access and backhaul (IAB) network architecture can enable flexible and fast deployment of next-generation cellular networks. However, mutual interference between access and backhaul links, small inter-site distance and spatial…

Signal Processing · Electrical Eng. & Systems 2019-07-29 Abdurrahman Fouda , Ahmed S. Ibrahim , Ismail Guvenc , Monisha Ghosh

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…

Signal Processing · Electrical Eng. & Systems 2019-05-09 Sibren De Bast , Evgenii Vingradov , Sofie Pollin

Providing connectivity to aerial users, such as cellular-connected unmanned aerial vehicles (UAVs) or flying taxis, is a key challenge for tomorrow's cellular systems. In this paper, the use of coordinated multi-point (CoMP) transmission…

Signal Processing · Electrical Eng. & Systems 2018-11-28 Ramy Amer , Walid Saad , Hesham ElSawy , Majid Butt , Nicola Marchetti

The growing use of aerial user equipments (UEs) in various applications requires ubiquitous and reliable connectivity for safe control and data exchange between these devices and ground stations. Key questions that need to be addressed when…

Networking and Internet Architecture · Computer Science 2019-04-30 Mohammad Mahdi Azari , Fernando Rosas , Sofie Pollin

One of the major challenges slowing down the use of unmanned aerial vehicles (UAVs) as aerial base stations (ABSs) is the limited on-board power supply which reduces the UAV's flight time. Using a tether to provide UAVs with power can be…

Systems and Control · Electrical Eng. & Systems 2023-04-12 Safa Khemiri , Mustafa A. Kishk , Mohamed-Slim Alouini

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…

Networking and Internet Architecture · Computer Science 2016-11-17 Vishal Sharma , Mehdi Bennis , Rajesh Kumar

Unmanned aerial vehicle (UAV) has been widely adopted in wireless systems due to its flexibility, mobility, and agility. Nevertheless, a limited onboard battery greatly hinders UAV to prolong the serving time from communication tasks that…

Information Theory · Computer Science 2020-11-19 Hieu Tran-Dinh , Sumit Gautam , Symeon Chatzinotas , Bjorn Ottersten

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 this paper, the problem of joint caching and resource allocation is investigated for a network of cache-enabled unmanned aerial vehicles (UAVs) that service wireless ground users over the LTE licensed and unlicensed (LTE-U) bands. The…

Information Theory · Computer Science 2018-01-30 Mingzhe Chen , Walid Saad , Changchuan Yin

Use of aerial base stations (ABSs) is a promising approach to enhance the agility and flexibility of future wireless networks. ABSs can improve the coverage and/or capacity of a network by moving supply towards demand. Deploying ABSs in a…

Networking and Internet Architecture · Computer Science 2020-09-09 Elham Kalantari , Halim Yanikomeroglu , Abbas Yongacoglu

The malfunction or interruption of wireless coverage services has been shown to increase the mortality rate during natural disasters. Wireless coverage by an unmanned aerial vehicle (UAV) provides network coverage to ground user devices…

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,…

Networking and Internet Architecture · Computer Science 2019-06-04 Hongyu Yang , Jun Zhang , S. H. Song , Khaled B. Lataief

In this paper, we jointly consider the downlink simultaneous wireless information and power transfer (SWIPT) and uplink information transmission in unmanned aerial vehicle (UAV)-assisted millimeter wave (mmWave) cellular networks, in which…

Signal Processing · Electrical Eng. & Systems 2021-04-19 Xueyuan Wang , M. Cenk Gursoy

In this paper, we study coverage probabilities of the UAV-assisted cellular network modeled by 2-dimension (2D) Poisson point process. The cellular user is assumed to connect to the nearest aerial base station. We derive the explicit…

Information Theory · Computer Science 2018-05-14 Lai Zhou , Zhi Yang , Shidong Zhou , Wei Zhang
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