Planar Square Quadrifilar Spiral Antenna for mobile RFID Reader

被引：0
|
作者：
Lee, Soo-Ji [1 ]
Lee, Dong-Jin [1 ]
Jang, Hyeong-Seok [1 ]
Tae, Hyun-Sung [1 ]
Yu, Jong-Won [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea
来源：
2012 9TH EUROPEAN RADAR CONFERENCE (EURAD) | 2012年
关键词：
Quadrifilar spiral antenna; UHF RFID reader antenna; right hand circular polarization(RHCP);
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A compact planar square quadrifilar spiral antenna (QSA) for passive UHF radio frequency identification (RFID) reader is proposed and experimentally investigated. The presented RFID reader antenna consists of four spiral antennas which are fed by microstrip feed network and the 4-port antenna matching technique for QSA is used to improve radiation efficiency. Experimental results shows the proposed antenna has peak gain of 0.06 dBic, axial ratio under 3 dB in wanted frequency band, 3-dB beamwidth of 124 degrees with good right hand circular polarization (RHCP) characteristics.
引用
收藏
页码：618 / 621
页数：4
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