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LECEEP : LEACH based Chaining Energy Efficient Protocol  

Yoo, Wan-Ki (국방대학교 전산정보학과 NGN 연구실)
Kwon, Tae-Wook (국방대학교 전산정보학과 NGN 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.35, no.5B, 2010 , pp. 801-808 More about this Journal
Abstract
LEACH, one of hierarchical based routing protocols, was proposed for energy efficiency which is the most important requirement of Wireless Sensor Network(WSN). LEACH protocol is composed of a cluster of certain large number of clusters, which have a cluster head and member nodes. Member nodes send sensing data to their cluster heads, and the cluster heads aggregate the sensing data and transmit it to BS. The challenges of LEACH protocol are that cluster heads are not evenly distributed, and energy consumption to transmit aggregated data from Cluster heads directly to BS is excessive. This study, to improve LEACH protocol, suggests LECEEP that transmit data to contiguity cluster head that is the nearest and not far away BS forming chain between cluster head, and then the nearest cluster head from BS transmit aggregated data finally to BS. According to simulation, LECEEP consumes less energy and retains more number of survival node than LEACH protocol.
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