S-LEACH: A SEQUENTIAL SELECTION APPROACH TO ELECT CLUSTER HEADS FOR LEACH PROTOCOL

Wireless Sensor Nodes are deployed in the hostile region to help the user by providing data to the user for the review purpose. These nodes are having limited power as they are battery operated. Hence, routing protocol used to deliver data to end users must be energy efficient to provide prolonged network lifetime. In this paper, we have proposed a decentralized clustering scheme based on sequential selection (S-LEACH) that maintains desired number of cluster heads during each round until the death of first node. Extensive simulations are carried out to compare our proposed protocol with three well known protocols - LEACH (Low Energy Adaptive Clustering Hierarchy), LDCHS (Low Energy Clustering Hierarchy with Deterministic Cluster Head Selection) and ALEACH (Advanced LEACH). Simulation results show that S-LEACH outperforms to the LEACH, LDCHS and ALEACH protocols.

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