A Circular Polarization Antenna Design for Improving the Reception of UHF RFID Reader

被引：4

作者：

Chun, Jonghun ^{[2
]}

Chung, Hyunsook ^{[1
]}

Park, Jongan ^{[3
]}

机构：

[1] Chosun Univ, Dept Comp Engn, Kwangju, South Korea

[2] Jeonnam Prov Coll, Dept Silver Care Welf, S Jeolla, South Korea

[3] Chosun Univ, Dept Informat & Commun Engn, Kwangju, South Korea

来源：

WIRELESS PERSONAL COMMUNICATIONS | 2011年 / 60卷 / 03期

关键词：

RFID reader; Antenna; Circular polarization; Hybrid coupler; MICROSTRIP ANTENNA;

D O I：

10.1007/s11277-011-0297-4

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This study designed a novel circular polarization antenna for a UHF bandwidth RFID reader. The performance tests of the antenna designed exhibit that return loss (S11) was about -45.529 db at 914 MHz, which is relatively small, and antenna gain was about 9.09 dbi. It was also confirmed that 50 Omega impedance matching was about 50.48 Omega and it can be applied for every RFID system. Therefore, the design enables to have higher gain of circular polarization antenna by improving the reception which is one of the most important parameters of the RFID reader and is expected to be extensively used in recognizing multi-tag in the distance.

引用

页码：389 / 404

页数：16

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