Rectifiers Based on Quadrature Hybrid Coupler with Improved Performance for Energy Harvesting

Rectifiers Based on Quadrature Hybrid Coupler with Improved Performance for Energy Harvesting

This paper presents a method for enhancing RF-dc conversion efficiency of the rectifier based on inkjet-printed quadrature based hybrid coupler (QHC) for wireless energy transfer systems. The input matching network and output load of the rectifier are optimized for optimal RF-dc conversion efficienc...

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Bibliographic Details
Published in:2018 IEEE Wireless Power Transfer Conference (WPTC) pp. 1 - 4
Main Authors: UnichI, Guido, Olukoya, Oludotun, Budimir, Djuradj
Format: Conference Proceeding
Language:English
Published: IEEE 01-06-2018
Subjects:
Couplers
Impedance
Long Term Evolution
Nonlinear distortion
Power generation
Quadrature hybrid Coupler (QHC)
Radio frequency
Rectifiers
RF-dc conversion efficiency
Wireless communication
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Summary:This paper presents a method for enhancing RF-dc conversion efficiency of the rectifier based on inkjet-printed quadrature based hybrid coupler (QHC) for wireless energy transfer systems. The input matching network and output load of the rectifier are optimized for optimal RF-dc conversion efficiency. Improvement of about 16 dB input power range is achieved for RF-dc conversion efficiency of 60%. The simulated efficiencies of the rectifiers with and without coupler for 3 MHz LTE signals and output power spectra densities at 1.5 GHz are illustrated.
ISSN:2573-7651
DOI:10.1109/WPT.2018.8639267