An Energy-Efficient Threshold-Based Clustering Protocol for Wireless Sensor Networks

Authors:
Mohammad Bsoul;Ahmad Al-Khasawneh;Alaa E. Abdallah;Emad E. Abdallah;Ibrahim Obeidat
Affiliations:
Department of Computer Science and Applications, The Hashemite University, Zarqa, Jordan 13115;Department of Computer Information System, The Hashemite University, Zarqa, Jordan 13115;Department of Computer Science and Applications, The Hashemite University, Zarqa, Jordan 13115;Department of Computer Information System, The Hashemite University, Zarqa, Jordan 13115;Department of Computer Information System, The Hashemite University, Zarqa, Jordan 13115
Venue:
Wireless Personal Communications: An International Journal
Year:
2013

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Abstract

Energy-constrained wireless sensor networks (WSNs) have been deployed widely for monitoring and surveillance purposes. Since sensor nodes (SNs) have significant power constraints (battery life), energy-efficient protocols must be employed to prolong the network lifetime. In this paper, we propose an energy-efficient protocol which provides a new way of creating distributed clusters. This protocol is a modified version of Low Energy Adaptive Clustering Hierarchy (LEACH) protocol. The experimental results show that our protocol that takes into account both the residual energy at each SN and the distance between the SNs outperforms LEACH protocol in terms of first node death time and average residual energy.