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Sensors 2018, 18(10), 3440; https://doi.org/10.3390/s18103440

An Aquatic Mobile Sensing USV Swarm with a Link Quality-Based Delay Tolerant Network

1
Instituto de Telecomunicações, 3810-193 Aveiro, Portugal
2
Departamento de Eletrónica, Telecomunicações e Informática, University of Aveiro, 3810-193 Aveiro, Portugal
*
Author to whom correspondence should be addressed.
Received: 1 September 2018 / Revised: 30 September 2018 / Accepted: 11 October 2018 / Published: 13 October 2018
(This article belongs to the Special Issue Intelligent Sensor Systems for Environmental Monitoring)
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Abstract

The Smart City concept is starting to extend into maritime environments alongside with the increase of Unmanned Surface Vehicles (USV) models on the market. Consequently, by joining both Smart City and USV technologies, a set of platforms and applications for aquatic environments are emerging. This work proposes a low-cost aquatic mobile sensing platform for data gathering with a swarm of USVs communicating through a Delay-Tolerant Network (DTN). A set of DTN link quality-based routing strategies select the best quality path in a dynamic approach so the sensed information is able to reach the mobile gateway in a reliable way. A Link Quality Estimation (LQE) approach is proposed and its accuracy is evaluated through real experimentation. An aquatic simulation environment, considering both navigation and communication layers, was also proposed and used to evaluate the performance of the proposed routing strategies, and complement real environment performance studies. View Full-Text
Keywords: aquatic mobile sensing platform; unmanned surface vessels; delay tolerant network; forwarding strategies; link quality estimator; simulation and real experimentation; low-cost systems aquatic mobile sensing platform; unmanned surface vessels; delay tolerant network; forwarding strategies; link quality estimator; simulation and real experimentation; low-cost systems
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Sousa, D.; Luís, M.; Sargento, S.; Pereira, A. An Aquatic Mobile Sensing USV Swarm with a Link Quality-Based Delay Tolerant Network. Sensors 2018, 18, 3440.

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