High performance normal mode helical antennas for RFID tags

2007 IEEE Antennas and Propagation Society International Symposium Pub Date : 2007-06-09 DOI:10.1109/APS.2007.4396926

W. Hong, W. H. Jung, Y. Yamada, N. Michishita

引用次数: 18

Abstract

A 0.035 wavelength very small normal mode helical antenna is designed to achieve high antenna efficiency. Antenna gain of -3.72dBd is achieved. When this antenna is attached on a metal plate, antenna gain is increased to -0.4dBd. Communication distances of current RFID tags and NMHA tags are measured. In the case of NMHA tags, communication distances comparable to current RFID tags are ensured.

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用于RFID标签的高性能正常模式螺旋天线

为提高天线效率，设计了一种波长为0.035的极小正模螺旋天线。天线增益达到-3.72dBd。当此天线连接在金属板上时，天线增益增加到-0.4dBd。测量了当前RFID标签和NMHA标签的通信距离。在NMHA标签的情况下，可以确保与当前RFID标签相当的通信距离。

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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2007 IEEE Antennas and Propagation Society International Symposium

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