Characterization of Carbon-based NFC Tag Antenna Design

2022 IEEE International RF and Microwave Conference (RFM) Pub Date : 2022-12-19 DOI:10.1109/RFM56185.2022.10065256

N. M. Faudzi, Ahmad Rashidy Razali, A. A. Manaf, Nurul Huda Abd Rahman, Ahmad Azlan Aziz, Amiruddin Ibrahim, A. M. Mozi

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Abstract

This paper presents the characterization of carbon-based antenna for NFC tag application. Carbon-based material is well known for its low cost, bio-compatible and non-oxidized characteristics. However, there are several drawbacks with carbon-based materials in antenna application including its high resistance loss property. Therefore, a parametric study on the antenna geometry has been carried out to achieve the optimum design of a carbon-based NFC tag antenna. Analysis of the antenna electrical parameters including inductance, resistance and quality factor has also been highlighted in this paper. From the simulation analysis, it is observed that varying the width of the coil, the gap between the coils, the number of turns and the width of the chamfer can contribute to the reduction of the antenna resistance. The final design of the carbon-based NFC tag antenna has achieved the resistance value of 55.10 Ω, which is approximately 94 % reduced from the initial design with a similar conductivity. The antenna reflection coefficient, S11 and antenna tuning circuit also have been observed and developed through simulation.

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碳基NFC标签天线设计的表征

本文介绍了用于NFC标签的碳基天线的特性。碳基材料以其低成本、生物相容性和非氧化性而闻名。然而，碳基材料在天线应用中存在一些缺点，包括其高电阻损耗特性。因此，为了实现碳基NFC标签天线的优化设计，对天线几何结构进行了参数化研究。本文还重点分析了天线的电学参数，包括电感、电阻和品质因数。通过仿真分析可以看出，改变线圈的宽度、线圈之间的间隙、匝数和倒角的宽度都有助于减小天线电阻。碳基NFC标签天线的最终设计实现了55.10 Ω的电阻值，在电导率相似的情况下，比初始设计降低了约94%。对天线反射系数、S11和天线调谐电路进行了仿真研究。

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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2022 IEEE International RF and Microwave Conference (RFM)

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