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Sensors 2015, 15(8), 19331-19350; doi:10.3390/s150819331

A Distributed Data-Gathering Protocol Using AUV in Underwater Sensor Networks

Department of Electronic Engineering, Kyungpook National University, Daegu 702-701, Korea
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Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 5 June 2015 / Revised: 26 July 2015 / Accepted: 3 August 2015 / Published: 6 August 2015
(This article belongs to the Section Sensor Networks)
View Full-Text   |   Download PDF [663 KB, uploaded 7 August 2015]   |  

Abstract

In this paper, we propose a distributed data-gathering scheme using an autonomous underwater vehicle (AUV) working as a mobile sink to gather data from a randomly distributed underwater sensor network where sensor nodes are clustered around several cluster headers. Unlike conventional data-gathering schemes where the AUV visits either every node or every cluster header, the proposed scheme allows the AUV to visit some selected nodes named path-nodes in a way that reduces the overall transmission power of the sensor nodes. Monte Carlo simulations are performed to investigate the performance of the proposed scheme compared with several preexisting techniques employing the AUV in terms of total amount of energy consumption, standard deviation of each node’s energy consumption, latency to gather data at a sink, and controlling overhead. Simulation results show that the proposed scheme not only reduces the total energy consumption but also distributes the energy consumption more uniformly over the network, thereby increasing the lifetime of the network. View Full-Text
Keywords: underwater sensor network; autonomous underwater vehicle; TDMA; clustering; Voronoi region underwater sensor network; autonomous underwater vehicle; TDMA; clustering; Voronoi region
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

Khan, J.U.; Cho, H.-S. A Distributed Data-Gathering Protocol Using AUV in Underwater Sensor Networks. Sensors 2015, 15, 19331-19350.

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