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Sensors 2015, 15(12), 29997-30010; doi:10.3390/s151229786

Node Non-Uniform Deployment Based on Clustering Algorithm for Underwater Sensor Networks

1,2,* , 1,2
and
1,2
1
Key Lab for IOT and Information Fusion Technology of Zhejiang, Hangzhou 310018, China
2
College of Automation, Hangzhou Dianzi University, Hangzhou 310018, China
*
Author to whom correspondence should be addressed.
Academic Editor: Jaime Lloret Mauri
Received: 7 October 2015 / Revised: 24 November 2015 / Accepted: 26 November 2015 / Published: 1 December 2015
(This article belongs to the Special Issue Underwater Sensor Nodes and Underwater Sensor Networks 2016)
View Full-Text   |   Download PDF [1475 KB, uploaded 1 December 2015]   |  

Abstract

A node non-uniform deployment based on clustering algorithm for underwater sensor networks (UWSNs) is proposed in this study. This algorithm is proposed because optimizing network connectivity rate and network lifetime is difficult for the existing node non-uniform deployment algorithms under the premise of improving the network coverage rate for UWSNs. A high network connectivity rate is achieved by determining the heterogeneous communication ranges of nodes during node clustering. Moreover, the concept of aggregate contribution degree is defined, and the nodes with lower aggregate contribution degrees are used to substitute the dying nodes to decrease the total movement distance of nodes and prolong the network lifetime. Simulation results show that the proposed algorithm can achieve a better network coverage rate and network connectivity rate, as well as decrease the total movement distance of nodes and prolong the network lifetime. View Full-Text
Keywords: underwater sensor networks; non-uniform deployment; clustering; network lifetime underwater sensor networks; non-uniform deployment; clustering; network lifetime
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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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Jiang, P.; Liu, J.; Wu, F. Node Non-Uniform Deployment Based on Clustering Algorithm for Underwater Sensor Networks. Sensors 2015, 15, 29997-30010.

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