Multifeed tri-band circularly polarized antenna for UHF/MW-RFID application

被引：5
|
作者：
Zhang, Enze [1 ]
Michel, Andrea [2 ]
Nepa, Paolo [2 ]
Qiu, Jinghui [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect & Informat Engn, Harbin 150001, Peoples R China
[2] Univ Pisa, Dept Informat Engn, Pisa, Italy
来源：
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2022年 / 32卷 / 01期
基金：
中国国家自然科学基金;
关键词：
circularly polarization; tri-band antenna; RFID portable reader; UHF; MW-RFID reader antenna; PATCH ANTENNA; MICROSTRIP ANTENNA; MIMO ANTENNA; ARRAY; METAMATERIAL; DESIGN;
D O I：
10.1002/mmce.22939
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A compact three-port tri-band circularly polarized (CP) antenna for radio-frequency identification (RFID) technique is introduced. Four inverted-F radiating elements fed with a 90 degrees phase delay feeding network realize the CP radiation at the FCC UHF-RFID band (0.902-0.928 GHz). With the slot-coupled feeding technique, Corner-truncated slot and patch have been employed to achieve CP radiation at MW-RFID bands (2.4-2.485/5.725-5.875 GHz). Decoupling structures are implemented to obtain excellent 20 dB port isolations during all operating bands. The relative impedance bandwidths in the three bands are 6.6%, 5.3%, and 5.1%, respectively, with peak gains of 2, 5.1, and 5.7 dBic.
引用
收藏
页数：9
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