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RF Energy Harvesting System Integrating a Passive UHF RFID Tag as a Charge Storage Indicator

机译:RF能量收集系统将被动UHF RFID标签集成为充电存储指示灯

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This paper presents a radio frequency (RF) energy harvesting unit integrating a passive UHF RFID tag as a charge storage indicator. In this system, an energy harvesting unit converts the RF signal to DC and charges a storage capacitor. The RF switch, consists of a pin diode and UHF RFID tag, monitors the capacitor voltage and transmits signal to RFID reader if voltage at the capacitor terminals approaches 0.633 V. The proposed RF energy harvesting system operates at European UHF RFID spectrum from 865.7 MHz to 867.7 MHz. The experimental results indicate that 0.633 V at the capacitor terminals can be achieved with -5.5 dBm RF input power to the energy harvesting unit.
机译:本文介绍了集成被动UHF RFID标签作为电荷存储指示器的射频(RF)能量收集单元。在该系统中,能量收集单元将RF信号转换为DC并对存储电容充电。 RF开关由PIN二极管和UHF RFID标签组成,如果电容器端子的电压接近0.633 V,则将电容器电压监控并将信号传输到RFID读取器。所提出的RF能量收集系统在欧洲UHF RFID频谱下运行于865.7 MHz至867.7 MHz。实验结果表明,电容器端子处的0.633V可以为能量收集单元的-5.5 dBm射频输入功率实现。

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