Articles with "uav" as a keyword



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Energy Consumption and Completion Time Tradeoff in Rotary-Wing UAV Enabled WPCN

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2922651

Abstract: In this paper, we consider an unmanned aerial vehicle (UAV)-enabled wireless-powered communication network (WPCN), where a rotary-wing UAV is employed as a hybrid access point (AP) to serve multiple ground users (GUs). Specifically, the GUs… read more here.

Keywords: time; uav; completion time; energy ... See more keywords
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Resource Allocation and 3-D Placement for UAV-Enabled Energy-Efficient IoT Communications

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Published in 2021 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2020.3003717

Abstract: As the commercial launch of the fifth-generation (5G) wireless communications gets near, the trend from the Internet of Things (IoT) to the Internet of Everything (IoE) is emerging. Due to the advantages of the high… read more here.

Keywords: uav; resource allocation; iot devices; iot ... See more keywords

Average AoI Minimization in UAV-assisted Data Collection with RF Wireless Power Transfer: A Deep Reinforcement Learning Scheme

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Published in 2021 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2021.3110138

Abstract: This paper studies the UAV-assisted wireless powered network, where a UAV is dispatched to wirelessly charge multiple ground nodes (GNs) by using radio frequency (RF) energy transfer and then the GNs use their harvested energy… read more here.

Keywords: energy; uav; average aoi; reinforcement learning ... See more keywords
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Resource Allocation in UAV-Enabled Wireless-Powered MEC Networks With Hybrid Passive and Active Communications

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Published in 2023 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3214539

Abstract: This article proposes a novel unmanned aerial vehicle (UAV)-enabled wireless-powered mobile edge computing (WP-MEC) network, where several Internet of Things (IoT) nodes use the energy harvested from the UAV’s radio frequency signals to support the… read more here.

Keywords: iot nodes; uav; enabled wireless; wireless powered ... See more keywords
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Dual-UAV-Enabled Secure Communications: Joint Trajectory Design and User Scheduling

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Published in 2018 at "IEEE Journal on Selected Areas in Communications"

DOI: 10.1109/jsac.2018.2864424

Abstract: In this paper, we investigate a novel unmanned aerial vehicle (UAV)-enabled secure communication system. Two UAVs are applied in this system where one UAV moves around to communicate with multiple users on the ground using… read more here.

Keywords: enabled secure; uav enabled; uav; user scheduling ... See more keywords
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Multiagent Collaborative Learning for UAV Enabled Wireless Networks

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Published in 2022 at "IEEE Journal on Selected Areas in Communications"

DOI: 10.1109/jsac.2022.3191329

Abstract: The unmanned aerial vehicle (UAV) technique provides a potential solution to scalable wireless edge networks. This paper uses two UAVs, with accelerated motions and fixed altitudes, to realize a wireless edge network, where one UAV… read more here.

Keywords: energy; collaborative learning; multiagent collaborative; energy efficiency ... See more keywords
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SanJeeVni: Secure UAV-Envisioned Massive Vaccine Distribution for COVID-19 Underlying 6G Network

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Published in 2023 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2022.3188929

Abstract: Recently, unmanned aerial vehicles (UAVs) are deployed in Novel Coronavirus Disease-2019 (COVID-19) vaccine distribution process. To address issues of fake vaccine distribution, real-time massive UAV monitoring and control at nodal centers (NCs), the authors propose… read more here.

Keywords: network; vaccine distribution; covid; distribution ... See more keywords
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Outage Probability and Throughput of Mobile Multiantenna UAV-Assisted FD-NOMA Relay System With Imperfect CSI

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Published in 2023 at "IEEE Systems Journal"

DOI: 10.1109/jsyst.2022.3180797

Abstract: In this article, we analyze an unmanned aerial vehicle (UAV) equipped with multiple antennas and operating in full-duplex (FD) mode to assist the communication of two source–destination pairs in a power-domain nonorthogonal multiple access (NOMA)… read more here.

Keywords: system; mobile multiantenna; uav assisted; uav ... See more keywords
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Joint Altitude and Beamwidth Optimization for UAV-Enabled Multiuser Communications

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Published in 2018 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2017.2772254

Abstract: We study multiuser communication systems enabled by an unmanned aerial vehicle (UAV) that is equipped with a directional antenna of adjustable beamwidth. We propose a fly-hover-and-communicate protocol, where the ground terminals are partitioned into disjoint… read more here.

Keywords: uav enabled; uav; joint altitude; altitude beamwidth ... See more keywords
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Deep Reinforcement Learning for Energy-Efficient Federated Learning in UAV-Enabled Wireless Powered Networks

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Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2021.3122129

Abstract: Federated learning (FL) is a promising solution to privacy preservation for data-driven deep learning approaches. However, enabling FL in unmanned aerial vehicle (UAV)-assisted wireless networks is still challenging due to limited resources and battery capacity… read more here.

Keywords: wireless; reinforcement learning; federated learning; deep reinforcement ... See more keywords
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Service Duration Maximization for Continuous Coverage in UAV-Assisted Communication System

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Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3189692

Abstract: This letter studies a UAV-assisted communication design where a rotary-wing UAV is launched to provide continuous coverage to mobile nodes. We aim to maximize the service time duration of the UAV by optimizing its three-dimensional… read more here.

Keywords: assisted communication; coverage; uav assisted; duration ... See more keywords