Electromagnetic modeling of rectenna based on the hybrid MoM–GEC combined to the harmonic balance method for wireless power transmission

S. Smirani, M. Aidi, S. Mili and T. Aguili

Journal of Electromagnetic Waves and Applications, 2020, vol. 34, issue 6, 697-714

Abstract: Rectennas are key contributors in wireless power transmission. Such prominent technology requires intensive works to gain a better performance thus a reliable energy source. In this paper, we present an electromagnetic model of rectenna using nonlinear resolution approach. This was achieved by a hybrid MoM-GEC (the Moments method combined to the generalized equivalent circuit) and the Harmonic balance method. The structure presenting the rectenna was given in a network form making it a flexible and reconfigurable model. The proposed method was demonstrated using a patch antenna and a Schottky diode as a rectifier circuit. The given current density and field distributions validated using HFSS software proves the accuracy of the obtained solutions. Moreover, a study of the RF-DC conversion efficiency is presented to discuss the performance of the rectenna. Finally, results show that this is a simple but effective technique to study the rectifying antenna for different topologies and technologies.

Date: 2020
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DOI: 10.1080/09205071.2020.1739566

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