Compact UHF Near-Field RFID Reader Antenna

被引：0
|
作者：
Lin, Tai-Hung [1 ]
Lin, Yi-Fang [1 ]
Chen, Hua-Ming [1 ]
Hsu, J. C. [1 ]
机构：
[1] Natl Kaohsiung Univ Appl Sci, Inst Photon & Commun, Kaohsiung 807, Taiwan
来源：
2014 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) | 2014年
关键词：
Open-loop antenna; UHF RFID; Near-field coupling; Reader applications;
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 dual open-loops antenna with bandwidth enhancement is proposed for near-field operations in the ultra-high frequency (UHF) band, which is able to generate a strong and uniform magnetic field in a near-field zone of the smaller open-loop. The two open-loops with individual half-wavelength perimeters are etched on each sides of FR4 printed circuit board and used for widening bandwidth. The fabricated compact antenna with an overall size of a dimension of 60 x 60 x 0.8 mm(3), achieves an interrogation zone of 50 x 50 mm(2) with good impedance matching and uniform magnetic field distribution over the bandwidth of 888-932 MHz. The measured reading distance of the proposed antenna is up to 130 mm for near-field applications, and it confirmed that the antenna is suitable for handheld radio frequency identification (RFID) reader applications.
引用
收藏
页码：629 / 630
页数：2
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