A circularly polarized antenna for UHF RFID reader

2014 11th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON) Pub Date : 2014-05-14 DOI:10.1109/ECTICON.2014.6839812
C. Phatra, P. Krachodnok
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引用次数: 2

Abstract

This paper presents the design of a circularly polarized (CP) antenna for Radio Frequency Identification (RFID) reader using the ring slot microstrip antenna for Ultra High Frequency (UHF) band. The proposed antenna, which consists of a ring slot microstrip antenna with truncated U-slot, is placed on a FR4 substrate (εr = 4.5). The prototype antenna was fabricated with a total size of 100 × 100 × 1.6 mm3 which shows a measured impedance matching band of 830-970 MHz as well as measured rotating linear based circularly polarized radiation patterns.
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一种用于超高频RFID阅读器的圆极化天线
本文介绍了一种应用于超高频(UHF)波段环槽微带天线的射频识别(RFID)读写器圆极化(CP)天线的设计。该天线由带截断u型槽的环形槽微带天线组成，放置在FR4基板上(εr = 4.5)。制作了总尺寸为100 × 100 × 1.6 mm3的原型天线，显示了830-970 MHz的阻抗匹配带和测量的旋转线性圆极化辐射方向图。
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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来源期刊
2014 11th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)
2014 11th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)
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