A Compact Circularly Polarized Slotted-Slit-Microstrip Patch Antenna

被引：0
|
作者：
Nasimuddin [1 ]
Chen, Zhi Ning [1 ]
Qing, Xianming [1 ]
机构：
[1] Inst Infocomm Res, 1 Fusionopolis Way,021-01 Connexis,South Tower, Singapore 138632, Singapore
来源：
ASIA-PACIFIC MICROWAVE CONFERENCE 2011 | 2011年
关键词：
Circular polarization; microstrip antenna; RFID; reader antenna; slotted patch; slits;
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 slotted-slit-microstrip patch antenna is studied for circular polarized (CP) radiation. Two unequal circular-shaped slots along one of the diagonal axes and four slits along the orthogonal axes are cut on the square patch radiator for CP radiation and compact antenna size. The antenna is designed for ultra high frequency (UHF) radio frequency identification (RFID) handheld reader applications. The measured 5.0 MHz bandwidth for 3-dB axial ratio (AR) and 12.0 MHz bandwidth for VSWR of 2.0 are achieved. The overall size of the antenna is 0.273 lambda(o) x 0.273 lambda(o) x 0.0139 lambda(o) at 910 MHz.
引用
收藏
页码：582 / 585
页数：4
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