Design and radiation mechanism analysis of a multi-usage ultra-high frequency radio frequency identification tag antenna

被引：4
作者：
Tang, Tao [1 ,2 ]
She, Ying [1 ]
Deng, Xiaobo [1 ,3 ]
Wen, Guangjun [2 ]
机构：
[1] Chengdu Univ Informat Technol, Coll Elect Engn, Chengdu 610225, Sichuan, Peoples R China
[2] Univ Elect Sci & Technol China, Sch Informat & Commun Engn, Chengdu 610054, Sichuan, Peoples R China
[3] Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Nanjing 210044, Jiangsu, Peoples R China
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2019年 / 13卷 / 12期
关键词：
impedance matching; permittivity; dipole antennas; UHF antennas; dielectric losses; radiofrequency identification; radiation mechanism analysis; circular loops; tag antenna; ultra-high frequency radio frequency identification; human body; blood bags; water-filled container; F4B-2; substrate; relative permittivity; dielectric loss tangent; semicircle loops; round arcs; elliptical loop; elliptical structure; EFFICIENCY; IMPEDANCE;
D O I：
10.1049/iet-map.2018.5789
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 ultra-high frequency radio frequency identification tag antenna designed for multi-usage is proposed in this study, which can work on the human body, blood bags, and water-filled container as well as free space. The tag antenna is fabricated on the F4B-2 substrate, whose relative permittivity is 2.65 and dielectric loss tangent is 0.002. The radiation unit is formed by four main circular loops, two semicircle loops, and four round arcs, all these loops and arcs are surrounded by an elliptical loop located on the outer edge of the substrate. The antenna has an elliptical structure, whose long axis and short axis are 76, 32 mm, respectively. In different applications, the presented antenna maintains a stable operating frequency and has good conjugate impedance matching with the tag chip.
引用
收藏
页码：1989 / 1996
页数：8
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