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Energy Efficiency Techniques for Wireless Sensor Networks: A Review

Harshwinder Singh , Navpreet Kaur

A sensor network is a static ad hoc network which consists of hundreds of sensor nodes that can be deployed on the fly operation being not attended So the main design issue for a sensor network must be conservation of the energy available at each sensor node. The wide utilization of Wireless Sensor Networks (WSNs) is obstructed by the severely limited energy constraints of the individual sensor nodes. This is the reason why a large part of the research in WSNs focuses on the development of energy efficient routing protocols. We can deploy multiple, mobile base stations to prolong the lifetime of the sensor network. Though lots of research has been done on energy efficiency of WSN but still there is a requirement to save the energy of nodes and to save the messages that are being discarded.