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Jahariah Sampe
Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia (IMEN-UKM)
Computer Science & IT

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Architecture of an efficient dual band 1.8/2.5 GHz rectenna for RF energy harvesting Jahariah Sampe; Noor Hidayah Mohd Yunus; Jumri Yunas; Alipah Pawi
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 6: December 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i6.12314

Abstract

This paper presents a highly efficient rectenna of RF energy harvesting systems operating at 1.8 GHz and 2.5 GHz bands for battery-less sensor application. The antenna is designed by CST-MWS. The Schottky diode used for rectifying circuit is HSMS 286B in which designed by Agilent ADS. The key finding of the paper is that the simulated DC output voltage of the rectenna is 1.35 V for low input power of -25 dBm at a high resistance load of 1M Ω. Correspondingly, the RF-DC conversion efficiency of the rectification process is 59.51% and 45.75% at 1.8 GHz and 2.5 GHz, which are high efficiency and much better compared to literature respectively. The rectenna is capable to produce 1.8 V from an input power of -20 dBm. Thus, the proposed RF energy harvesting system offers a promising solution designed for efficient functionality at a low power level of RF energy in the dual band.
Co-Authors Alipah Pawi Jumri Yunas Noor Hidayah Mohd Yunus