Please use this identifier to cite or link to this item: https://doi.org/10.1109/LAWP.2012.2212232
Title: Design of a high-efficiency 2.45-GHz rectenna for low-input-power energy harvesting
Authors: Sun, H.
Guo, Y.-X. 
He, M.
Zhong, Z. 
Keywords: Antenna
energy harvesting
rectenna
rectifier
Issue Date: 2012
Citation: Sun, H., Guo, Y.-X., He, M., Zhong, Z. (2012). Design of a high-efficiency 2.45-GHz rectenna for low-input-power energy harvesting. IEEE Antennas and Wireless Propagation Letters 11 : 929-932. ScholarBank@NUS Repository. https://doi.org/10.1109/LAWP.2012.2212232
Abstract: This letter presents a high-efficiency 2.45-GHz rectenna that can harvest low input RF power effectively. A new antenna with a simple structure and high gain of 8.6 dBi is proposed for the rectenna. The antenna is designed to directly match the rectifying circuit at 2.45 GHz and mismatch it at the second and third harmonics so that the use of bandpass filter between the antenna and rectifying circuit can be eliminated. The rectenna shows a maximum conversion efficiency of 83% with a load resistance of 1400 Ω. Furthermore, the overall conversion efficiency can remain 50% for the low, -17.2 dBm (corresponding power density 0.22 μW/cm 2) input power level. © 2012 IEEE.
Source Title: IEEE Antennas and Wireless Propagation Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/82130
ISSN: 15361225
DOI: 10.1109/LAWP.2012.2212232
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