一种适用于RFID阅读器的高增益圆极化双频天线阵列

2012 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition Pub Date : 2012-10-04 DOI:10.1109/IWEM.2012.6320353

Ting-Jui Huang, H. Hsu

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引用次数: 5

摘要

在本文中，我们提出了一种用于UHF (902-928 MHz)和微波频段(2.4-2.5 GHz) RFID应用的高增益圆极化(CP)双频天线阵列。该天线由双环辐射体作为基本单元通过孔径激励构成。由顺序旋转结构形成的2 × 2阵列在超高频波段获得8 dBic增益，在微波波段获得10 dBic增益。在两个波段均获得了良好的CP性能，轴比均小于1 dB。

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 high-gain circularly-polarized dual-band antenna array for RFID reader applications

In this paper, we propose a high-gain circularly-polarized (CP) dual-band antenna array for UHF (902-928 MHz) and microwave band (2.4-2.5 GHz) RFID applications. The proposed antenna consists of dual-ring radiators excited through apertures as the basic element. A 2-by-2 array formed by sequentially-rotated configuration exhibited 8 dBic gain at UHF band and 10 dBic gain at microwave band. Very good CP performance with axial ratio less than 1 dB was achieved at both bands.

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来源期刊

2012 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition

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