Analysis on Enhancements in LEACH Protocol for WSN

International Journal of Computer Science and Engineering
© 2015 by SSRG - IJCSE Journal
Volume 2 Issue 9
Year of Publication : 2015
Authors : Rajat Kandpal, Rajesh Singh, H L Mandoria

How to Cite?

Rajat Kandpal, Rajesh Singh, H L Mandoria, "Analysis on Enhancements in LEACH Protocol for WSN," SSRG International Journal of Computer Science and Engineering , vol. 2,  no. 9, pp. 1-8, 2015. Crossref,


Owing to recent technological advancements in wireless sensor and communication technologies, WSN has become a prominent research topic tapping the potential use of it to a wide range of applications. A large quantity of miniscule sensor nodes collaborating and communicating through a wireless medium, collect and propagate data finally to a base station or sink for useful analytical purposes constitutes a WSN. Routing becomes imperative in WSN due to resource constrained nature of the sensor nodes. LEACH (Low Energy Adaptive Clustering Hierarchy) is the most popular and conventional cluster based hierarchical routing protocol which is generally accepted in all its ramifications and its importance cannot be overemphasized. LEACH however popular and robust has not yet achieved perfection. Enhancements have been proposed in terms of various fields such as cluster head selection scheme, cluster formation algorithms, reducing energy overheads, taking residual energy into consideration etc., which aim to increase the efficiency and robustness of LEACH. In this paper we discuss the enhancements and descendents of LEACH that are proposed over the years for its efficient and robust functioning and also provide a comparative analysis of LEACH, TEEN and SEP protocols for WSN.


Wireless sensor networks, Hierarchical Routing, LEACH, Clustering, Energy Efficiency, Lifetime.


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