A NOVEL MINIATURE MONOPOLE TAG ANTENNA FOR PASSIVE UHF RFID APPLICATIONS

被引:0
|
作者
Liu, Hsien-Wen [1 ]
Ku, Chia-Hao [2 ]
Yang, Chang-Fa [1 ]
Wang, Te-Shun [3 ]
机构
[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan
[2] Ming Chi Univ Technol, Dept Elect Engn, Taipei, Taiwan
[3] Yuanpei Univ, Dept Comp Sci & Informat Engn, Hsinchu, Taiwan
关键词
RFID; monopole; tag antenna; quasi-lumped; EIRP; DESIGN;
D O I
10.1002/mop.25596
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 miniature monopole tag antenna for passive Ultra-High Frequency (UHF) radio frequency identification (RFID) operation is presented. The antenna possesses a two-sided structure that is printed on an FR4 substrate and fed by a 50-Omega microstrip line. Be properly using helical strips and vial, the antenna size can be reduced to a small volume of 10 (L) X 9.5 (W) x 0.8 (H) mm(3) to be easily integrated within various portable devices. A miniaturized quasi-lumped circuit is also designed to attain a good impedance matching between the antenna and the chip. Experimental results demonstrate that the antenna has a suitable operating band about 914-939 MHz and also quite omnidirectional radiation pattern with appreciable gain. Moreover, the proposed compact tag antenna, capable of achieving a maximum readable range of about 5.6 m with an EIRP equal to 4 W, is well suited for RFID applications. (C) 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2770-2772, 2010; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25596
引用
收藏
页码:2770 / 2772
页数:3
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