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Simulation and Analysis of Radio Frequency Energy Harvesting System Operating at 2.45 GHz Frequency

by 
   Ayush Raj Raj,    Abhinav Kumar,    B.P. Mishra,    Deepanshu Choubey,
Volume :  11 | Issue :  01 | Received :  April 15, 2024 | Accepted :  May 20, 2024 | Published :  June 13, 2024
DOI :  10.37591/JoMET

[This article belongs to Journal of Microwave Engineering and Technologies(jomet)]

Keywords

Rectenna, RF energy harvesting, rectifier, Schottky diode, HFSS.

Abstract

This paper proposed study of an RF energy harvesting system at 2.45 GHz using a rectifier and an antenna so called rectenna. Inset-fed micro-strip rectangular patch antenna array is fabricated. The rectifier circuit, employing Schottky diodes (HSMS-2850), converts AC power from the antenna to DC for RF detection. Analysis of the antenna’s design and parameters such as directivity, return loss, gain, and VSWR is done using high-frequency simulator software (HFSS). The antenna’s geometry, including patch length, patch width, inset-distance, inset-feed, and gap is calculated using derived formulas and online simulation tools. Using the inset fed feeding technique, we present and confirm the performance of a rectangular patch antenna using single and multiple patch configurations in this study. The single patch is then fed into a 2×1 array antenna using the inset-fed technique to maximize directivity and boost gain. The rectenna circuit is simulated via advanced design system (ADS) software, yielding good results.

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