Design of compact RFID reader antenna with high transmit/receive isolation

被引：15
|
作者：
Son, Hae-Won [1 ]
Lee, Jung-Nam [1 ]
Choi, Gil-Young [1 ]
机构：
[1] Elect & Telecommun Res Inst, RFID Syst Res Team, Taejon 305700, South Korea
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2006年 / 48卷 / 12期
关键词：
RFID reader antenna; high isolation; circular polarization;
D O I：
10.1002/mop.22017
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 radio frequency identification (RFID) reader antenna with high transmit/receive isolation, which consists of two circularly-polarized radiating patches, is presented. The high isolation is achieved by the symmetric design of the antenna geometry and proper arrangement of four feed points on the patches, which are fed by branch-line hybrid couplers. The experimental results show the transmit/receive isolation of more than 36 dB in the 860-960 MHz RFID frequency band. (c) 2006 Wiley Periodicals, Inc.
引用
收藏
页码：2478 / 2481
页数：4
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