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Title: A Novel Transparent UWB Antenna for Photovoltaic Solar Panel Integration and RF Energy Harvesting
Authors: Peter, T
Abd Rahman, T
Cheung, SW
Nilavalan, R
Abutarboush, HF
Vilches, A
Keywords: Science & Technology;Technology;Engineering, Electrical & Electronic;Telecommunications;Engineering;Energy;Rectenna;Transparent;UWB;MICROWAVE-POWER TRANSMISSION;CIRCULARLY-POLARIZED RECTENNA;Array
Issue Date: 2014
Citation: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2014, 62 (4), pp. 1844 - 1853 (10)
Abstract: A novel transparent ultra-wideband antenna for photovoltaic solar-panel integration and RF energy harvesting is proposed in this paper. Since the approval by the Federal Communications Committee (FCC) in 2002, much research has been undertaken on UWB technology, especially for wireless communications. However, in the last decade, UWB has also been proposed as a power harvester. In this paper, a transparent cone-top-tapered slot antenna covering the frequency range from 2.2 to 12.1 GHz is designed and fabricated to provide UWB communications whilst integrated onto solar panels as well as harvest electromagnetic waves from free space and convert them into electrical energy. The antenna when sandwiched between an a-Si solar panel and glass is able to demonstrate a quasi omni-directional pattern that is characteristic of a UWB. The antenna when connected to a 2.55-GHz rectifier is able to produce 18-mV dc in free space and 4.4-mV dc on glass for an input power of 10 dBm at a distance of 5 cm. Although the antenna presented in this paper is a UWB antenna, only an operating range of 2.49 to 2.58 GHz for power scavenging is possible due to the limitation of the narrowband rectifier used for the study.
ISSN: 0018-926X
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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