A Novel Filter Bank Design for Enhanced Radio Frequency (Rf) Harvesting and Energy Synthesis

Peter Musiiwa, Garikayi Sinati and Simbarashe Magidi
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Peter Musiiwa: Harare Institute of Technology, Harare, Zimbabwe
Garikayi Sinati: Master of Technology I n Telecommunication and Wireless Systems
Simbarashe Magidi: Harare Institute of Technology, Harare, Zimbabwe

International Journal of Latest Technology in Engineering, Management & Applied Science, 2025, vol. 14, issue 5, 838-851

Abstract: The demand for green and sustainable energy has grown significantly in recent years. Traditional energy sources, such as fossil fuels and nuclear power, pose serious environmental risks, driving the adoption of renewable alternatives. [1] While solar energy has seen substantial advancements, other technologies—including piezoelectric, radio frequency (RF) harvesting, and gyroscopic energy harvesting—remain underdeveloped. Among these, RF energy harvesting holds immense potential to revolutionize low-power applications, particularly for Internet of Things (IoT) devices such as sensors, wearables, smartphones, and unmanned aerial vehicles (UAVs). However, current RF harvesters suffer from inefficiencies in energy synthesis, resulting in low voltage output and limited practical use. For instance, Powercast’s state-of-the-art solution achieves 75% efficiency but only within a 24-meter range. [2]

Date: 2025
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