Review Paper for Improvement Life of Wireless Sensor Network using Leach Design

Poonam; Ahlawat, Pooja; Jain, Rishabh
May 2015
International Journal of Computer Science & Management Studies;May2015, Vol. 15 Issue 5, p26
Academic Journal
Energy is very important parameter during the creation of a WSN infrastructure, and to support long lifetimes, energy-efficient operation is a key technique. Wireless sensor networks (WSNs) are known to be highly energy-constrained and each network's lifetime has a strong dependence on the node's battery capacity. As such, the network lifetime has been a critical concern in WSN research. While numerous energy-efficient protocols have been proposed to prolong the network lifetime. Energy-efficient sensor state planning consists i finding an optimal assignment of states to sensors in order to maximize network lifetime. Network lifetime and energy consumption analysis for cluster-based wireless sensor networks based upon LEACH protocol for periodic monitoring applications induce unbalanced energy consumption among sensor nodes and hence affect the network lifetime when compared with the results obtained from the analytical model of this protocol. This highlights the need for an adaptive clustering protocol that can increase the network lifetime by further balancing the energy consumption among sensor nodes.


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