Investigation of Compact Tree-Shaped Coplanar Waveguide (CPW) Antenna for RF Energy Harvesting

Abstract:

This paper studies a compact wideband tree-shaped coplanar antenna which has the potential to be used for RF energy harvesting. The antenna is fabricated on a double-sided FR-4 printed circuit board using an etching technique. The effect of semi-circle patch embedded to a triangular patch has been studied. The comparison between simulation and measurement results for the return loss and radiation patterns are observed and are in good agreement. The measured return loss is in line with the simulation response where both manage to achieve lower than-10dB. A bandwidth of 3.64 GHz and 3.94 GHz were obtained in simulation and measurement process respectively. This study is an early investigation in designing the antenna for RF energy harvesting system to support green technology and sustainable development particularly for Wireless Sensor Network (WSN).

• Periodical: Applied Mechanics and Materials (Volume 699)
• Pages: 903-908
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.699.903
• Online since: November 2014
• Authors: Zahriladha Zakaria*, Nur Aishah Zainuddin, Mohd Nor Husain, Mohamad Zoinol Abidin Abd Aziz, Mohamad Ariffin Mutalib
• Keywords: Coplanar, Energy Harvesting, Monopole, Wideband Antenna, Wireless Sensor Network (WSN)

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