Loop Antenna for UHF Near-field RFID Reader

被引：0
|
作者：
Chen, Zhi Ning [1 ]
Goh, Chean Khan [1 ]
Qing, Xianming [1 ]
机构：
[1] Inst Infocomm Res, Singapore 138632, Singapore
来源：
PROCEEDINGS OF THE FOURTH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION | 2010年
关键词：
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 loop antenna with phase shifters is proposed for ultra-high frequency (UHF) near-field radio frequency identification (RFID) readers. Using stub phase shifters, the solid-line loop antenna is capable of generating strong and uniform magnetic field in a near-field zone even though the perimeter of the loop is electrically large. Based on this design concept, a square loop antenna with a perimeter of two wavelengths at 915 MHz is prototyped and exhibits 100% reading rate with the reading range up to 24 mm.
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页数：4
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