UHF reader loop antenna for near-field RFID applications

被引：18
|
作者：
Liu, H. -W. [1 ]
Wu, K. -H. [1 ]
Yang, C. -F. [1 ]
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 01期
关键词：
D O I：
10.1049/el.2010.2868
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 novel reader loop-type antenna for ultra-high-frequency (UHF) near field radio frequency identification (RFID) applications is presented. This antenna, printed on a 0.8 mm-thick FR4 substrate with a diameter of 16 cm, is composed of four curved strips and four pairs of coupled stubs, and achieves a wide impedance bandwidth from 840 to 1300 MHz. The proposed structure can make large currents along the loop so that a strong and uniform magnetic field distribution is excited in the region around the antenna. Measurements show that the antenna operating with a commercial reader demonstrates good performance of tag identification with inductive coupling for near-field RFID applications.
引用
收藏
页码：10 / U23
页数：2
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