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Simulation demonstrates enhanced rf-to-dc conversion in energy harvesting systems, suggesting improved efficiency.
This paper presents the design and simulation of a semi-lumped low-pass filter with finite-frequency attenuation poles at 10 GHz for integration into a 35 GHz harmonic harvesting rectifier in wireless power transmission (WPT) systems. Implemented on an RT6002 substrate, the filter enhances RF-to-DC conversion by suppressing unwanted harmonics, ensuring stability and efficiency. The design, optimized for compactness and high selectivity, is validated through ADS and CST simulations, confirming sharp roll-off and strong stopband attenuation. This work contributes to renewable energy harvesting by improving rectenna-based WPT systems for self-powered IoT and sustainable energy applications.
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Barou et al. (2025) studied this question.
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