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Ocean Surface Drifting Buoy System Based on UAV-Enabled Wireless Powered Relay Network

We design an ocean surface drifting buoy system based on an unmanned aerial vehicle (UAV)-enabled wireless powered relay network in which the UAV acts as mobile hybrid access point that broadcasts energy to all buoys in the downlink and forwards information from the buoys to a ship signal tower (ST)...

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Detalles Bibliográficos
Autores principales: Chen, Haole, Yin, Feng, Huang, Wei, Liu, Mingliu, Li, Deshi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7249084/
https://www.ncbi.nlm.nih.gov/pubmed/32370236
http://dx.doi.org/10.3390/s20092598
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author Chen, Haole
Yin, Feng
Huang, Wei
Liu, Mingliu
Li, Deshi
author_facet Chen, Haole
Yin, Feng
Huang, Wei
Liu, Mingliu
Li, Deshi
author_sort Chen, Haole
collection PubMed
description We design an ocean surface drifting buoy system based on an unmanned aerial vehicle (UAV)-enabled wireless powered relay network in which the UAV acts as mobile hybrid access point that broadcasts energy to all buoys in the downlink and forwards information from the buoys to a ship signal tower (ST) in the uplink. In order to maximize the resource allocation efficiency of the system, due to the different initial energy reserve of the buoys, a novel communication mode selection strategy is proposed. In the direct transmission mode (DT mode), an energy-sufficient buoy transmits information directly to the ST, and in the relay transmission mode (RT mode), an energy-insufficient buoy relays information to the ST through the UAV. By applying the block coordinate descent and successive convex optimization, a joint UAV trajectory and resource allocation algorithm is proposed to maximize the minimum throughput of the buoys to work in the RT mode. Simulation results show that the proposed algorithm can significantly improve the minimum throughput of the ocean surface drifting buoys.
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spelling pubmed-72490842020-06-10 Ocean Surface Drifting Buoy System Based on UAV-Enabled Wireless Powered Relay Network Chen, Haole Yin, Feng Huang, Wei Liu, Mingliu Li, Deshi Sensors (Basel) Article We design an ocean surface drifting buoy system based on an unmanned aerial vehicle (UAV)-enabled wireless powered relay network in which the UAV acts as mobile hybrid access point that broadcasts energy to all buoys in the downlink and forwards information from the buoys to a ship signal tower (ST) in the uplink. In order to maximize the resource allocation efficiency of the system, due to the different initial energy reserve of the buoys, a novel communication mode selection strategy is proposed. In the direct transmission mode (DT mode), an energy-sufficient buoy transmits information directly to the ST, and in the relay transmission mode (RT mode), an energy-insufficient buoy relays information to the ST through the UAV. By applying the block coordinate descent and successive convex optimization, a joint UAV trajectory and resource allocation algorithm is proposed to maximize the minimum throughput of the buoys to work in the RT mode. Simulation results show that the proposed algorithm can significantly improve the minimum throughput of the ocean surface drifting buoys. MDPI 2020-05-02 /pmc/articles/PMC7249084/ /pubmed/32370236 http://dx.doi.org/10.3390/s20092598 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Chen, Haole
Yin, Feng
Huang, Wei
Liu, Mingliu
Li, Deshi
Ocean Surface Drifting Buoy System Based on UAV-Enabled Wireless Powered Relay Network
title Ocean Surface Drifting Buoy System Based on UAV-Enabled Wireless Powered Relay Network
title_full Ocean Surface Drifting Buoy System Based on UAV-Enabled Wireless Powered Relay Network
title_fullStr Ocean Surface Drifting Buoy System Based on UAV-Enabled Wireless Powered Relay Network
title_full_unstemmed Ocean Surface Drifting Buoy System Based on UAV-Enabled Wireless Powered Relay Network
title_short Ocean Surface Drifting Buoy System Based on UAV-Enabled Wireless Powered Relay Network
title_sort ocean surface drifting buoy system based on uav-enabled wireless powered relay network
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7249084/
https://www.ncbi.nlm.nih.gov/pubmed/32370236
http://dx.doi.org/10.3390/s20092598
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