System Modeling of the RFID Contactless Inductive Coupling Using 13.56 MHz Loop Antennas

被引：0
作者：
Mourad, Oumar [1 ]
Le Thuc, Philippe [1 ]
Staraj, Robert [1 ]
Iliev, Plamen [2 ]
机构：
[1] Univ Nice Sophia Antipolis, LEAT, F-06903 Sophia Antipolis, France
[2] ASK, F-06560 Sophia Antipolis, France
来源：
2014 8TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2014年
关键词：
RFID; Loop Antennas; Inductive Coupling; Quality factor; Resonant Circuit; Magnetic Fields;
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：
This paper presents a novel model of the inductive coupling using loop antennas and occuring in HF-RFID or NFC systems. It takes into account the coupling coefficient, the chip/antenna matching and the characteristics of the two resonant circuits (the transmitter and the receiver) constituting an NFC system. The model shows that maximum coupling between reader and tag antennas and conjugate impedance matching between the antenna and the chip are not always the best choices for a reliable transmission in the desired operating area.
引用
收藏
页码：2034 / 2038
页数：5
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