Combined vibration and RF harvester technique for energy management in sensor device Online publication date: Thu, 04-Oct-2018
by C. Padmavathy; L.S. Jayashree; A. Rosario
International Journal of Networking and Virtual Organisations (IJNVO), Vol. 19, No. 2/3/4, 2018
Abstract: The main objective of this research work is to increase the energy efficiency in the wireless sensor network through the energy harvesting techniques. The proposed combined vibration and RF harvester (CVRH) technique can increase the energy efficiency and reduce the energy consumption. In WSN, sensor node has high energy consumption due to the process of sensing and transferring. From the physical environmental condition, vibration and RF energy will be collected from their respective ambient source. Vibration and RF energy are in the form of an electromagnetic wave and that will be converted into DC by using the bridge wave rectifier. And that DC current will be the supply of the battery of sensor node. During the sensing process, battery will be utilised by the sensor node and in the transmission process, the battery will be charged from the energy harvester. In experimental results, results have been analysed by using the parameters such as energy consumption, energy efficiency, and average power and drop rate.
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