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Title: A compact broadband GFET based rectenna for RF energy harvesting applications
Authors: Singh, N.
Kumar, S.
Kanaujia, B.K.
Beg, M.T.
Kumar, S.
Issue Date: 2020
Citation: Microsystem Technologies, 2020, Vol., , pp.-
Abstract: In this paper, a compact GFET-based rectifier integrated with a monopole antenna is proposed for wireless energy harvesting applications. The GFET increases impedance bandwidth of the rectifying circuit, thus covering a range of 22.5 27.5 GHz. The sensing antenna is a triangular monopole with truncated corners for realizing circular polarization at the frequencies 24.25 GHz and 27 GHz. By the help of ?/4 transformer, the sensing antenna is matched with the proposed GFET rectifier. The RF-DC conversion efficiency realized is 80% at 5 dBm for the load of 5 K?, and the output DC voltage observed is 6.8 V. The modified ground plane triangular monopole antenna shows a peak gain of 7.8 dBi. The designed rectenna prototype is fabricated and found simulated and measured results are in good agreement. 2020, Springer-Verlag GmbH Germany, part of Springer Nature.
URI: 10.1007/s00542-019-04737-0
Appears in Collections:1. Journal Articles

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