Design of wearable rectennas harvesting from multi-tone ambient RF sources

... International Symposium on Applied Sciences in Biomedical and Communication Technologies. International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2011-10-26 DOI:10.1145/2093698.2093810

D. Masotti, A. Costanzo

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引用次数: 2

Abstract

In this paper we describe the design and test of a wearable, multiband ring-antenna together with its rectifying circuit. The system is required to harvest RF energy from GSM 900, GSM 1800 and WiFi sources available in the ambient. A annular ring topology is selected for the antenna to be printed on textile and flexible substrates and is suitably modified with appropriate slots to cover the bands of interest. A multilayer configuration is exploited for wearable purposes and related integration issues are discussed. Due to the scarce amount of available energy, the primary goal in designing the antenna is to achieve high radiation efficiency and circular polarization in compact dimensions, compatible with technology garments. A rectenna is then designed by the concurrent use of harmonic-balance technique and electromagnetic simulation to predict the real rectified power in general operating conditions.

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从多音调环境射频源采集可穿戴天线的设计

本文介绍了一种可穿戴多波段环形天线的设计与测试，并给出了整流电路。该系统需要从环境中可用的GSM 900、GSM 1800和WiFi源中收集射频能量。选择环形拓扑结构用于印刷在纺织和柔性基板上的天线，并适当地修改为适当的槽以覆盖感兴趣的波段。多层配置用于可穿戴目的，并讨论了相关的集成问题。由于可用能量的稀缺，天线设计的首要目标是在紧凑的尺寸下实现高辐射效率和圆极化，与技术服装兼容。然后采用谐波平衡技术和电磁仿真相结合的方法设计了整流天线，以预测一般工作条件下的实际整流功率。

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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... International Symposium on Applied Sciences in Biomedical and Communication Technologies. International Symposium on Applied Sciences in Biomedical and Communication Technologies

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