Abstract

Coverage plays a major role in energy consumption model of Wireless Sensor Networks (WSN). Energy efficient coverage of the targets becomes one of the challenging problems in WSN, because of low-energy, low processing of the nodes. In this paper target coverage had been addressed; monitoring the specific target with the set of sensors. In order to have an energy efficient coverage, it is necessary to select the node which detects target within a particular accuracy gain value. In this paper, we first randomly deployed the nodes and select the nodes which are eligible to cover the target with desired information gain value. Energy conservation is achieved through activating only the eligible nodes. Keywords: Coverage, Energy Efficiency, Lifetime, Sensor Placement, Target Coverage

Highlights

  • Wireless Sensor Networks (WSN) is an emerging domain made of low-power tiny nodes

  • The sensor coverage can be classified as following types, Area Coverage: This pattern covers all the points in Region of interest[1]

  • An idea have been proposed for energy efficienct target coverage in the field region

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Summary

Introduction

Wireless Sensor Networks (WSN) is an emerging domain made of low-power tiny nodes. A sensor node is made up of sensing, processing and communication subsystems. WSN is the multidisciplinary area which involves signal processing, networking protocol, embedded scheme, information management and distributed algorithms. In Organized, the sensors and its locations are predetermined The advantage of this type of WSN is easy maintenance. The sensor coverage can be classified as following types, Area Coverage: This pattern covers all the points in Region of interest[1]. Target Coverage: only covers a set of discrete points[6,10]. Basic sensor model are Boolean disk model and probabilistic coverage model. The probabilistic coverage model follows a reducing function from center of the sensor towards the target.

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