Energy Efficient Node Deployment for Heterogeneous Wireless Sensor Networks

Abstract

Wireless Sensor nodes are power-constrained devices and the lifetime of the nodes is significantly influenced by the deployment of the nodes. In the appropriate deployment of the nodes leads to inefficient network energy utilization which results in a minimized network lifetime. To enhance the network lifetime within the limited battery power, hierarchical heterogeneous routing has been proposed by various researchers and have significantly prolonged the network lifetime. In heterogeneous wireless sensor networks, the researchers have addressed mainly energy efficiency of the network but node deployment has been rarely addressed. Node deployment is a critical issue in heterogeneous wireless sensor networks since the nodes in these networks are energized with different energy levels. The simulation results obtained proved that the appropriate deployment of nodes can lead to a substantial amount of energy conservation.