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Sensors 2016, 16(7), 984; doi:10.3390/s16070984

A MAC Protocol to Support Monitoring of Underwater Spaces

1
Department Electrical and Computers, Universidad Nacional del Sur, CONICET, Bahia Blanca 8000, Argentina
2
Computer Science Department, Universidad de Chile, Santiago 8370459, Chile
3
Department of Computer Architecture, Universidad Politécnica de Catalunya, Barcelona 08034, Spain
4
Department of Chemistry, Universidad Nacional del Sur, CIC, Bahia Blanca 8000, Argentina
This paper is an extended version of our paper published in Santos, R.; Orozco, J.; Ochoa, S.F.; Meseguer, R.; Eggly, G. A MAC Protocol for Underwater Sensors Networks. In Proceedings of the 9th International Conference, UCAmI 2015, Puerto Varas, Chile, 1–4 December 2015; pp. 394–406.
Current address: IIIE, UNS-CONICET, Alem 1253, Bahía Blanca 8000, Argentina
§
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Vladimir Villarreal and Carmelo R. García
Received: 27 April 2016 / Revised: 28 May 2016 / Accepted: 3 June 2016 / Published: 27 June 2016
(This article belongs to the Special Issue Selected Papers from UCAmI, IWAAL and AmIHEALTH 2015)
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Abstract

Underwater sensor networks are becoming an important field of research, because of their everyday increasing application scope. Examples of their application areas are environmental and pollution monitoring (mainly oil spills), oceanographic data collection, support for submarine geolocalization, ocean sampling and early tsunamis alert. The challenge of performing underwater communications is well known, provided that radio signals are useless in this medium, and a wired solution is too expensive. Therefore, the sensors in these networks transmit their information using acoustic signals that propagate well under water. This data transmission type not only brings an opportunity, but also several challenges to the implementation of these networks, e.g., in terms of energy consumption, data transmission and signal interference. In order to help advance the knowledge in the design and implementation of these networks for monitoring underwater spaces, this paper proposes a MAC protocol for acoustic communications between the nodes, based on a self-organized time division multiple access mechanism. The proposal was evaluated using simulations of a real monitoring scenario, and the obtained results are highly encouraging. View Full-Text
Keywords: underwater sensor networks; underwater monitoring; MAC protocol; acoustic transmission underwater sensor networks; underwater monitoring; MAC protocol; acoustic transmission
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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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MDPI and ACS Style

Santos, R.; Orozco, J.; Ochoa, S.F.; Meseguer, R.; Eggly, G.; Pistonesi, M.F. A MAC Protocol to Support Monitoring of Underwater Spaces. Sensors 2016, 16, 984.

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