密集整流天线阵列的射频能量收集-使用适合物联网5G嵌入式传感器节点的电小整流天线

2018 IEEE MTT-S International Microwave Workshop Series on 5G Hardware and System Technologies (IMWS-5G) Pub Date : 2018-08-01 DOI:10.1109/IMWS-5G.2018.8484384

S. D. Assimonis, V. Fusco

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引用次数: 10

摘要

本研究对使用电小天线的密集整流天线阵列进行了系统研究，旨在设计一种高效的低功率输入(即小于- 20 dBm)和高灵敏度(即小于1 μW/cm2)的物联网射频能量采集器。仿真结果表明，当功率密度为0.1 μW/cm2时，尺寸为λ×λ的射频采集器的直流输出功率为20.8 μW，而当功率密度为0.2577 μW/cm2时，该射频采集器能够在1.6 V电压下连续为功耗为100 μW的后向散射传感器节点供电。

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RF Energy Harvesting with Dense Rectenna-Arrays Using Electrically Small Rectennas Suitable for IoT 5G Embedded Sensor Nodes

This work presents a systematic study of dense rectenna-arrays using electrically small antennas and aims to the design of a high efficient for low power input (i.e., less than −20 dBm) and high sensitivity (i.e., less than 1 μW/cm²) RF energy harvester for IoT. Simulations shown that for power density of 0.1 μW/cm² the RF harvester of size λ×λ delivers dc power output of 20.8 μW, while is able to power continuously a backscatter sensor node with power consumption of 100 μW at 1.6 V for power density of 0.2577 μW/cm².

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2018 IEEE MTT-S International Microwave Workshop Series on 5G Hardware and System Technologies (IMWS-5G)

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