一种用于RFID UHF频段的耐纺织品标签天线

2012 IEEE International Conference on RFID-Technologies and Applications (RFID-TA) Pub Date : 2012-11-01 DOI:10.1109/RFID-TA.2012.6404513

R. Saba, T. Deleruyelle, J. Alarcon, M. Egels, P. Pannier

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引用次数: 12

摘要

可穿戴纺织系统是当今一个快速发展的领域。除了较低的价格，可穿戴标签天线还必须抵抗洗衣周期，这意味着高压、高温和高湿度。本文介绍了一种新型RFID纺织标签天线，该天线由两个不同的天线耦合在一起，以保护超高频RFID系统免受环境应力的影响:一个是用RFID芯片封装的圆形小环路天线，另一个是由电螺纹制成的宽带对数周期天线。给出了芯片的电学特性、小回路天线以及两者的匹配。介绍了常用的电螺纹表征方法和电螺纹的选择。第四部分给出了整个标签天线的仿真结果。在UHF频段，匹配反射系数小于-10 dB，天线的半功率波束为80°。根据Friis方程，我们可以估计RFID UHF频段的读取范围为4米。

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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A resistant textile tag antenna for RFID UHF frequency band

Wearable textile systems are nowadays a fast growing field. Besides lower prices, wearable tags antenna have to resist laundry cycles which means high pressure, high temperature and humidity. This paper introduces a novel RFID textile tag antenna, made of two distinct antennas coupled together to protect UHF RFID system from environment stress : a circular small-loop antenna packaged with the RFID chip and a wideband log-periodic antenna made of electro-thread. Electric proprieties of the chip, the small-loop antenna and matching between both are shown. Used method to characterize electro-thread and the choice of electro-thread are presented. Finally the whole tag antenna is simulated and results are presented in part IV. In the UHF band we found the matched reflection coefficient less then -10 dB and the antenna's half power beamdwith has 80°. According to Friis equation we can estimated the read range at 4 meters in the RFID UHF band.

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来源期刊

2012 IEEE International Conference on RFID-Technologies and Applications (RFID-TA)

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