一种用于超高频RFID标签的平面宽带电感耦合馈电贴片天线

2013 IEEE International Conference on RFID-Technologies and Applications (RFID-TA) Pub Date : 2013-09-01 DOI:10.1109/RFID-TA.2013.6694504

M. Bashri, M. Ibrahimy, S. Motakabber

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引用次数: 7

摘要

本文研究了一种用于金属超高频射频识别(RFID)标签的平面宽带贴片天线。三个不同形状的贴片电感耦合到一个三角形环路上，激发三个彼此接近的共振，形成广泛应用的UHF (860-960 MHz) RFID的宽阻抗带宽。所提出的天线的结构呈现平面轮廓，以提供易于制造的成本降低，非常适合大规模生产。采用基于有限元法的软件Ansoft HFSS v13对天线进行仿真。仿真结果与实测结果吻合良好，验证了设计的有效性。仿真和实测阻抗带宽分别为113 MHz和117 MHz(回波损耗≥6 dB)，覆盖了全球UHF RFID的整个工作频段。

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 planar wideband inductively coupled feed patch antenna for UHF RFID tag

A planar wideband patch antenna for ultra-high frequency (UHF) radio frequency identification (RFID) tag for metallic applications is presented in this research work. Three different shape patches are inductively coupled to a triangle loop to excite three resonances close to each other to form wide impedance bandwidth for universal application UHF (860-960 MHz) RFID. The structure of the proposed antenna exhibits planar profile to provide ease of fabrication for cost reduction well suited for mass production. The simulation of the antenna was carried out using Finite Element Method (FEM) based software, Ansoft HFSS v13. The performance of the design was verified by the simulation and measurement results which show good agreement. The simulated and measured impedance bandwidth of 113 MHz and 117 MHz (return loss ≥ 6 dB) was achieved to cover the entire UHF RFID operating frequency band worldwide.

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来源期刊

2013 IEEE International Conference on RFID-Technologies and Applications (RFID-TA)

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