Dual-band platform tolerant antennas for radio-frequency identification

被引：34
作者：
Hirvonen, Mervi [1 ]
Jaakkola, Kaarle [1 ]
Pursula, Pekka [1 ]
Saily, Jussi [1 ]
机构：
[1] VTT Tech Res Ctr Finland, FI-02044 Espoo, Finland
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2006年 / 54卷 / 09期
关键词：
dual-band; energy scavenging; planar inverted F-antenna (PIFA); platform tolerance; radio-frequency identification (RFID);
D O I：
10.1109/TAP.2006.880726
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 technique for tuning a single-element planar inverted F-antenna (PIFA) to provide a dual-band operation is introduced. The tuning is possible due to the particular impedance level typical to radio-frequency identification microchips. As the desired impedance level resides near the outer rim of the Smith chart, a single impedance locus may be arranged to pass the input impedance twice resulting in dual-band operation. The tuning of the impedance locus is based on the feed inductance and capacitive coupling at the open end of the patch. In this paper, also a discussion about the principles of platform tolerance of small antennas is provided. A design, circuit model, simulations, and measurement results of dual-band platform tolerant PIFAs are reported and discussed.
引用
收藏
页码：2632 / 2637
页数：6
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