Level Wise Initial Energy Assignment in Wireless Sensor Network for Better Network Lifetime

Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 28)

Abstract

One of the basic requirements of Wireless Sensor Network is enhanced network lifetime. Usually Multi-hop communications between sensor nodes and the sink is more energy efficient than single hop communication. However, because the cluster heads (CHs) closer to the sink are loaded with heavy relay traffic, they exhaust much faster than other CHs in the network and ultimately the whole network becomes in operational before time. In this paper we propose a LevelWise Initial Energy Assignment (LWIEA) technique for better network lifetime.For this purpose the whole sensing region is separated in to multiple hierarchical levels and level wise initial energy of sensor nodes have been calculated before real sensor deployment. Applying LWIEA, the resultant heterogeneous sensor network with level wise different initial energy can handle different energy consumption rate in different level. Simulation results show that assigning the initial energies using LWIEA technique effectively improves the network lifetime up to 79% comparedto uniform initial energy assignment strategy with respect to the parameter Full Energy Consumption (FEC) in the network.

Keywords

Initial Energy Assignment Energy consumption Network lifetime WSN 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Department of Computer ApplicationB.P. Poddar Institute of Management & TechnologyKolkataIndia
  2. 2.Department of Computer Science & EngineeringWest Bengal University of TechnologyKolkataIndia

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