Broadband design of planar circular tag antenna for UHF RFID system

被引：3
|
作者：
Lu, J. H. [1 ]
Zheng, G. T. [1 ]
机构：
[1] Natl Kaohsiung Marine Univ, Dept Elect Commun Engn, Kaohsiung 81157, Taiwan
来源：
ELECTRONICS LETTERS | 2016年 / 52卷 / 20期
关键词：
UHF antennas; radiofrequency identification; broadband antennas; planar antennas; antenna radiation patterns; broadband design; planar broadband circular tag antenna; UHF RFID system; ultra-high frequency band; radio-frequency identification system; T-arc-shaped strips; parasitic step strips; multiresonant mode excitation; operating half-power band; unidirectional radiation patterns; X-Z plane; X-Y plane; METALLIC OBJECTS;
D O I：
10.1049/el.2016.2110
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 planar broadband circular tag antenna operated at ultra-high frequency (UHF) band for radio-frequency identification (RFID) system is proposed. By adding a pair of T-arc-shaped strips and parasitic step strips, excitation of multi-resonant modes can approximate reach with the operating half-power band from 848 to 963 MHz, which covers the required bandwidth for worldwide UHF RFID (860-960 MHz) system. Moreover, the measured read distance of this design can reach 3.8 m, and exhibits good unidirectional radiation patterns in the X-Z and X-Yplanes.
引用
收藏
页码：1654 / 1655
页数：2
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