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ThinkMind // INFOCOMP 2016, The Sixth International Conference on Advanced Communications and Computation // View article infocomp_2016_3_20_60036


Density-Aware Multihop Clustering for Irregularly Deployed Wireless Sensor Networks

Authors:
Sangil Choi
Sangman Moh

Keywords: Wireless sensor network; irregular deployment; multihop clustering; energy consumption; network lifetime.

Abstract:
In wireless sensor networks (WSNs), reducing energy consumption in battery-operated sensor nodes is very important for prolonging network lifetime. In this paper, a density-aware multihop clustering (DAMC) protocol is proposed for irregularly deployed WSNs to reduce energy consumption. Every node determines the probability that it becomes a cluster head (CH) based on the node density around itself and, thus, CHs are distributed evenly over the network and every cluster has almost the same coverage area. And excessively redundant nodes are turned into sleep mode to save energy. Then, a multi-level tree in each cluster is constructed for low-energy multihop transmissions. In DAMC, the network lifetime can be significantly prolonged because the unnecessary redundant sensing and transmissions are reduced remarkably and the multihop transmissions are used rather than single-hop transmissions in clusters. The performance study shows that the proposed DAMC outperforms the conventional clustering protocols in terms of network lifetime.

Pages: 34 to 40

Copyright: Copyright (c) IARIA, 2016

Publication date: May 22, 2016

Published in: conference

ISSN: 2308-3484

ISBN: 978-1-61208-478-7

Location: Valencia, Spain

Dates: from May 22, 2016 to May 26, 2016

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