e-ISSN : 0975-3397
Print ISSN : 2229-5631
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ABSTRACT

Title : Advanced Low Energy Adaptive Clustering Hierarchy
Authors : Ezzati Abdellah, Said Benalla, Abderrahim BENI HSSANE, Moulay Lahcen HASNAOUI
Keywords : Network Clustering, Nodes failure, routing protocol, Wireless Sensor Networks, heterogeneous-energy, LEACH
Issue Date : October 2010
Abstract :
The use of Wireless Sensor Networks (WSNs) is anticipated to bring enormous changes in data gathering, processing and dissemination for different environments and applications. However, a WSN is a power constrained system, since nodes run on limited power batteries which shorten its lifespan. Prolonging the network lifetime depends on efficient management of sensing node energy resource. Hierarchical routing protocols are best known in regard to energy efficiency. By using a clustering technique hierarchical routing protocols greatly minimize energy consumed in collecting and disseminating data. Low Energy Adaptive Clustering Hierarchy (LEACH) is one of the fundamental protocols in this class. In this paper we propose Advanced LEACH (A-LEACH), a heterogeneous-energy protocol to decrease probability of failure nodes and to prolong the time interval before the death of the first node (we refer to as stability period) and increasing the lifetime in heterogeneous WSNs, which is crucial for many applications.
Page(s) : 2491-2497
ISSN : 0975–3397
Source : Vol. 2, Issue.7

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