Review on Energy-Efficient Hierarchical Routing Protocols for WSN
Rapid advances in Wireless Sensor Networks (WSNs) indicate that they are becoming increasingly complex. Consequently users and applications are becoming more demanding. Due to unique characteristics of WSNs, like small dimensions and limited resources and capabilities, energy consumption is imposed as one of the key factors. WSNs are becoming the primary research field for many researchers. Because of some hardware problems, especially with respect to energy supply and miniaturization, energy efficiency is a major concern in WSNs. As sensor nodes are typically battery powered, the energy usages has to be carefully managed in order to prolong the lifetime of the system. This paper gives an overview of energy efficient protocol for WSNs. It can provide efficient saving of energy that appropriately takes into account.
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