用于无线传感器系统远程供电的小型化天线和集成整流器设计

2012 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS) Pub Date : 2012-04-03 DOI:10.1109/BIOWIRELESS.2012.6172746

O. Kazanc, F. Mazzilli, N. Joehl, F. Maloberti, C. Dehollain

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引用次数: 2

摘要

提出了一种用于2.45 GHz ISM频段无线传感器系统远程供电的小型标签天线和集成整流器的设计方法。为了使功率传输最大化，天线输入阻抗与整流器阻抗的共轭相匹配。通过对整流天线链(整流天线)和辐射源天线(发射机)的仿真和实验结果相结合，对整流天线的整体效率进行了评价。一个16 × 8 mm2的标签天线放置在距离发射器12厘米的地方，具有2W的PEIRP，最大输出功率为560 μW。考虑CMOS工艺变化对整流器的影响，分析了整流天线的效率。

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Miniaturized antenna and integrated rectifier design for remote powering of wireless sensor systems

The design methodology of a miniaturized tag antenna and an integrated rectifier for remote powering of wireless sensor systems operating at 2.45 GHz ISM band is presented. To maximize the power transfer the antenna input impedance is matched to the conjugate of the rectifier impedance. The overall efficiency of the rectenna is evaluated through the combination of the simulations and experimental results with the antenna-rectifier chain (rectenna) and the radiating source antenna (transmitter) respectively. A 16 × 8 mm2 tag antenna placed 12 cm apart from a transmitter having 2W of PEIRP provides maximum output power of 560 μW. The efficiency of rectenna is analyzed considering CMOS process variations affecting the rectifier.

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来源期刊

2012 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS)

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