CAD of multi-resonator rectenna for micro-power generation

2009 European Microwave Integrated Circuits Conference (EuMIC) Pub Date : 2009-09-01 DOI:10.23919/eumc.2009.5296567

V. Rizzoli, Giacomo Bichicchi, A. Costanzo, F. Donzelli, D. Masotti

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引用次数: 43

Abstract

We introduce a compact, lightweight and highly efficient multi-resonator rectenna (rectifying antenna) designed to harvest the RF energy really obtainable in humanized environments. Such sources, radiated from cell phones, radio transmitters and Wi-Fi equipments, are ubiquitously available but have very low power densities, at different frequency bands, with unknown directions of incidence and polarization. In order to harvest a significant quantity of energy it is mandatory to put a very special care in the design of each part of the receiving/storing system. For this purpose a combination of resonant antennas, each one designed for a specific application-dependent frequency band, is optimised together with the rectifying circuit and the load. This is accomplished by a rigorous design tool, based on the concurrent use of nonlinear and electromagnetic CAD methods. Multi-source non linear simulation of the harvester in realistic operating conditions predicts a DC power of a few hundred μW, which represents the typical energy requirement of a sensor node.

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微型发电用多腔整流天线的计算机辅助设计

我们介绍了一种紧凑，轻便，高效的多谐振腔整流天线(整流天线)，旨在收集在人性化环境中真正可获得的射频能量。这种来自手机、无线电发射机和Wi-Fi设备的辐射源无处不在，但在不同的频带上具有非常低的功率密度，入射方向和极化方向未知。为了收集大量的能量，必须在接收/存储系统的每个部分的设计中都特别注意。为此，谐振天线的组合，每一个设计为一个特定的应用相关的频段，是优化整流电路和负载一起。这是在非线性和电磁CAD方法并行使用的基础上，通过严格的设计工具完成的。多源非线性仿真表明，在实际工作条件下，采集器的直流功率为几百μW，这代表了传感器节点的典型能量需求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2009 European Microwave Integrated Circuits Conference (EuMIC)

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