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Sensors 2011, 11(12), 11343-11356; doi:10.3390/s111211343

A Hierarchical Communication Architecture for Oceanic Surveillance Applications

1
Grupo de Arquitectura y Concurrencia (GAC), Departamento de Ingeniería Telemática, Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Gran Canaria, Spain
2
Dipartimento Elettronica e Telecomunicazioni, University of Florence, Florence 50139, Italy
*
Author to whom correspondence should be addressed.
Received: 18 October 2011 / Revised: 18 November 2011 / Accepted: 27 November 2011 / Published: 30 November 2011
(This article belongs to the Special Issue Underwater Sensor Nodes and Underwater Sensor Networks)
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Abstract

The interest in monitoring applications using underwater sensor networks has been growing in recent years. The severe communication restrictions imposed by underwater channels make that efficient monitoring be a challenging task. Though a lot of research has been conducted on underwater sensor networks, there are only few concrete applications to a real-world case study. In this work, hence, we propose a general three tier architecture leveraging low cost wireless technologies for acoustic communications between underwater sensors and standard technologies, Zigbee and Wireless Fidelity (WiFi), for water surface communications. We have selected a suitable Medium Access Control (MAC) layer, after making a comparison with some common MAC protocols. Thus the performance of the overall system in terms of Signals Discarding Rate (SDR), signalling delay at the surface gateway as well as the percentage of true detection have been evaluated by simulation, pointing out good results which give evidence in applicability’s favour. View Full-Text
Keywords: multimedia streaming; underwater sensor networks; MAC; WiFi; Zigbee; acoustic distributed surveillance multimedia streaming; underwater sensor networks; MAC; WiFi; Zigbee; acoustic distributed surveillance
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Macias, E.; Suarez, A.; Chiti, F.; Sacco, A.; Fantacci, R. A Hierarchical Communication Architecture for Oceanic Surveillance Applications. Sensors 2011, 11, 11343-11356.

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