Three-band ambient wireless energy harvesting system
2016
This paper presents a three-band RF-DC converting system aiming to harvesting wireless energy from three identified potentially ambient RF energy harvesting sources: GSM850, PCS1900 and Wi-Fi. Three narrow-band microstrip antennas as well as the corresponding converters, operating at 850MHz, 1.9GHz and 2.4GHz respectively, are designed in pairs with matching circuits to enhance the total converting efficiency. The simulation and measured results indicate that all three converters demonstrate satisfactory performance with reduced system complexity.
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