Mobility Based Energy Efficient Coverage Hole Maintenance for Wireless Sensor Network

Wireless Sensor Networks (WSNs) are a special class of wireless networks where randomly and densely distributed sensor nodes take local measurements of a phenomenon. Coverage is a fundamental measure of QoS which represent how well the Area of interest is monitored. Considering the limited battery power of sensors, this paper presents an Energy Efficient Coverage Hole Maintenance (EECHM) algorithm where redundant sensor nodes move towards coverage hole. In EECHM we have used probabilistic method to calculate the direction and magnitude of nodes that helps to migrate the redundant sensor nodes. Further, it also reduces the consumption of energy and thus enhances the network lifetime.

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