A Novel UHF RFID Reader Antenna

被引：0

作者：

Zhang Xin ^{[1
]}

Li Lei ^{[1
]}

机构：

[1] Harbin Engn Univ, Harbin, Peoples R China

来源：

ADVANCES IN SCIENCE AND ENGINEERING, PTS 1 AND 2 | 2011年 / 40-41卷

关键词：

microstrip antenna; RFID reader antenna; circularly polarization; ultrahigh frequency;

D O I：

10.4028/www.scientific.net/AMM.40-41.384

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In this paper, a new ultrahigh frequency circularly polarized microstrip antenna using in RFID reader is proposed. The proposed antenna has a simple structure, it has non-symmetrical rectangular corner truncated square patch, ground plane and a probe feed. To achieve good circular polarization(CP) radiation characteristics, it uses air as the dielectric layer. Simulation results of a constructed prototype with the center operating frequency at 923 MHz showed that the antenna has a return loss S11 of about -24 dB, a gain level of about 9.48 dBi. The antenna has good impedance and radiation characteristics over the required bandwidth, 920-925 MHz (Chinese UHF RFID band).

引用

页码：384 / 387

页数：4

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