利用超材料结构增强柔性超高频RFID标签增益

2019 4th International Symposium on Instrumentation Systems, Circuits and Transducers (INSCIT) Pub Date : 2019-08-01 DOI:10.1109/INSCIT.2019.8868821

J. I. L. Araujo, S. Morais, A. Serres, C. C. R. de Albuquerque, G. K. de Freitas Serres, Danilo Freire de Souza Santos, C. C. P. e Silva, A. M. de Oliveira

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引用次数: 4

摘要

在本文中，我们提出了一种灵活的无源RFID标签，使用互补分裂环谐振器(CSRR)结构来增强天线增益。标签是基于折叠偶极天线和8个CSRR细胞在同一层，在聚酰胺基板上。给出了在ANSYS Electronics Desktop软件中进行的仿真结果。结果表明，随着超材料结构的插入，天线的一些参数，如指向性、效率和增益都有了很大的改善。天线的增益大约从−6.8 dB增加到5.3 dB。此外，在工作频率(915 MHz)下，基于超材料的天线获得了约24.21 m的读取范围。

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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Flexible UHF RFID Tag Gain Enhancement using Metamaterial Structure

In this paper, we propose a flexible passive RFID tag using a Complementary Split Ring Resonator (CSRR) structure for antenna gain enhancement. The tag is based on a folded dipole antenna and 8 CSRR cells in the same layer, on a polyamide substrate. Simulation results performed in the ANSYS Electronics Desktop software are presented. It has been shown that with the insertion of the metamaterial structure there is a considerable improvement in some parameters of the antenna, such as directivity, efficiency and, consequently, gain. The gain of the antenna increased, approximately, from −6.8 dB to 5.3 dB. In addition, a read range of approximately 24.21 m was obtained at the operating frequency (915 MHz) with the metamaterial-based antenna.

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2019 4th International Symposium on Instrumentation Systems, Circuits and Transducers (INSCIT)

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