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Wireless sensor networks consists of small nodes with sensing, computation, and wireless communications capabilities. The life time of a sensor node depends on its energy consumption. Saving energy and increase network life time are main challenges of wireless sensor networks. The efficiency of the sensor node depends on the routing protocols used. Routing protocols provides a best data transmission route from sensor nodes to sink node to save energy for nodes in the network. This paper compares the three data centric routing protocols SPIN, SPIN-1,M-SPIN for energy efficiency. Based on this analysis M-SPIN performs better than other two. M-SPIN is a better approach for the application need quick and reliable response. The network simulator version 2 is used for performances analysis.
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