从350 mhz到3 ghz的电磁能量收集频谱机会

2013 7th International Symposium on Medical Information and Communication Technology (ISMICT) Pub Date : 2013-03-06 DOI:10.1109/ISMICT.2013.6521714

Jorge Tavares, Norberto Barroca, Henrique M. Saraiva, L. M. Borges, F. Velez, Caroline Loss, Rita Salvado, P. Pinho, R. Gonçalves, N. Carvalho

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引用次数: 29

摘要

本文介绍了通过350 MHz到3 GHz的功率密度测量确定的射频(RF)能量收集的频谱机会。在两个不同的城市(Covilha和Lisbon)分别使用带有测量天线的NARDA-SMR频谱分析仪和Signal Hound频谱分析仪进行了现场试验。我们的研究范围考虑射频能量收集设备，能够将射频能量转换为直流(DC)，为无线传感器网络(WSN)设备提供替代电源。提出了能够在GSM(900/1800)频段工作的印刷天线，其增益为1.8-2.06 dBi，效率为77.6-84%。还提供了用于可穿戴天线的纺织材料的选择指南。

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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Spectrum opportunities for electromagnetic energy harvesting from 350 mhz to 3 ghz

This paper presents spectrum opportunities for radio frequency (RF) energy harvesting identified through power density measurements from 350 MHz to 3 GHz. The field trials have been performed in two different cities (Covilha and Lisbon), by using the NARDA-SMR spectrum analyser with measuring antenna, and the Signal Hound spectrum analysers, respectively. The scope of our research considers RF energy harvesting devices, enabling to convert RF energy to direct current (DC), providing an alternative source to power supply wireless sensor network (WSN) devices. Printed antennas, able to operate at GSM (900/1800) bands, are proposed with gains of the order of 1.8-2.06 dBi and efficiency 77.6-84%. Guidelines for the choice of textile materials for a wearable antenna are also provided.

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2013 7th International Symposium on Medical Information and Communication Technology (ISMICT)

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