Article,

A VORONOI DIAGRAM-BASED APPROACH FOR ANALYZING AREA COVERAGE OF VARIOUS NODE DEPLOYMENT SCHEMES IN WSNS

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International Journal of Ad hoc, Sensor & Ubiquitous Computing (IJASUC), 5 (2): 14 (April 2014)
DOI: 10.5121/ijasuc.2014.5202

Abstract

With recent advances in electronics and wireless communication technologies, the Wireless SensorNetworks (WSNs) are being used in wide range of applications of military, ecological, health related areas.Due to their resource constraints such as, sensor node’s size, memory, and processing capabilities, thescale of deployment of WSNs requires careful decisions with respect to various performance measures. In the last few years, there has been a tremendous interest on development of large-scale wireless sensornetworks as a basic issue to be addressed as it can influence the performance metrics of WSNs such as,coverage, connectivity, resilience and scalability requirements. Many deployment schemes have beenproposed for wireless sensor networks. In this paper, we survey six deployment models random,rectangular-grid, square-grid, triangular-grid, hexagonal-grid, and hybrid deployments schemes andanalyze their implications on network area coverage in WSNs. More generally, under some deploymentassumptions on an irregular geographical map for a defense monitoring, we show the analytical andsimulation-based results of a WSN made up of mica2 motes using the deployment knowledge to motivatethe use of these emerging paradigms in order to achieve higher network area coverage. To applydeployment schemes on irregular geographical target area, we propose to include the concept of voronoidiagram based approach in WSNs, to provide a way of dividing an irregular geographical area into anumber of regular regions. We have been configured the sensor node parameters such as sensing,temperature, energy capabilities using mannasim based on NS-2.34.

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