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Optimal UAV's Deployment and Transmit Power Design for Two Users Uplink NOMA Systems

In order to fully utilize the spectrum resources, this work considers a unmanned aerial vehicle (UAV) uplink communication system based on non-orthogonal multiple access technology (NOMA), in which the UAV receives information from the ground users with a certain flying altitude. As an initial study...

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Detalles Bibliográficos
Autor principal: Zhao, Fayong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7843376/
https://www.ncbi.nlm.nih.gov/pubmed/33519411
http://dx.doi.org/10.3389/fnbot.2020.599344
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author Zhao, Fayong
author_facet Zhao, Fayong
author_sort Zhao, Fayong
collection PubMed
description In order to fully utilize the spectrum resources, this work considers a unmanned aerial vehicle (UAV) uplink communication system based on non-orthogonal multiple access technology (NOMA), in which the UAV receives information from the ground users with a certain flying altitude. As an initial study, we consider a simplified setup with two ground users to draw some insightful results. Explicitly, we first formulate an optimization problem that maximizes the sum throughput subject to each user's transmit power constraint and their corresponding minimum transmission rate requirement. Then, both the optimal transmit power and UAV's deployment location are derived with the aid of employing the Karush-Kuhn-Tucher (KKT) conditions. Simulation results show that the proposed UAV's deployment scheme with the users' power allocation can achieve a higher sum throughput compared with two existing benchmark schemes.
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spelling pubmed-78433762021-01-30 Optimal UAV's Deployment and Transmit Power Design for Two Users Uplink NOMA Systems Zhao, Fayong Front Neurorobot Neuroscience In order to fully utilize the spectrum resources, this work considers a unmanned aerial vehicle (UAV) uplink communication system based on non-orthogonal multiple access technology (NOMA), in which the UAV receives information from the ground users with a certain flying altitude. As an initial study, we consider a simplified setup with two ground users to draw some insightful results. Explicitly, we first formulate an optimization problem that maximizes the sum throughput subject to each user's transmit power constraint and their corresponding minimum transmission rate requirement. Then, both the optimal transmit power and UAV's deployment location are derived with the aid of employing the Karush-Kuhn-Tucher (KKT) conditions. Simulation results show that the proposed UAV's deployment scheme with the users' power allocation can achieve a higher sum throughput compared with two existing benchmark schemes. Frontiers Media S.A. 2021-01-15 /pmc/articles/PMC7843376/ /pubmed/33519411 http://dx.doi.org/10.3389/fnbot.2020.599344 Text en Copyright © 2021 Zhao. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Neuroscience
Zhao, Fayong
Optimal UAV's Deployment and Transmit Power Design for Two Users Uplink NOMA Systems
title Optimal UAV's Deployment and Transmit Power Design for Two Users Uplink NOMA Systems
title_full Optimal UAV's Deployment and Transmit Power Design for Two Users Uplink NOMA Systems
title_fullStr Optimal UAV's Deployment and Transmit Power Design for Two Users Uplink NOMA Systems
title_full_unstemmed Optimal UAV's Deployment and Transmit Power Design for Two Users Uplink NOMA Systems
title_short Optimal UAV's Deployment and Transmit Power Design for Two Users Uplink NOMA Systems
title_sort optimal uav's deployment and transmit power design for two users uplink noma systems
topic Neuroscience
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7843376/
https://www.ncbi.nlm.nih.gov/pubmed/33519411
http://dx.doi.org/10.3389/fnbot.2020.599344
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