Energy Efficient Mechanisms in Wireless Sensor Networks: A Survey

Vinay Kumar, Sudarshan Tiwari


Sensor nodes are generally battery powered, are expected to be remotely deployed, and operated autonomously in unattended environments. The crucial aspects is that, how to reduce the energy consumption of the sensor nodes, so that the network lifetime can be extended. Energy efficient techniques in WSNs facilitate efficient utilization of limited resources of sensor nodes and thus extends network lifetime. In this paper we have discussed the typical components of sensor node which consumes energy and presented a systematic and comprehensive taxonomy of energy conservation schemes. The objective of this paper is to present a state of art survey of different energy efficient techniques reported in the literature of WSNs.


Keywords: Wireless Sensor Networks; Energy and Power Efficiency; Network Life Time; Energy Efficient schemes.

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