RFID Multiprobe Impedance-Based Sensors

被引：28

作者：

Capdevila, Santiago ^{[1
]}

Jofre, Lluis ^{[1
]}

Bolomey, Jean-Charles ^{[2
]}

Romeu, Jordi ^{[1
]}

机构：

[1] Univ Politecn Cataluna, Signal Theory & Commun Dept, AntennaLab Grp, ES-08034 Barcelona, Spain

[2] Supelec, Signaux & Syst Lab, F-91192 Gif Sur Yvette, France

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2010年 / 59卷 / 12期

关键词：

Antenna; array; electromagnetic fields; impedance; modulated scattering technique (MST); radio frequency identification (RFID); scattering; temperature; WIRELESS; BACKSCATTERING;

D O I：

10.1109/TIM.2010.2063053

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：

In this paper, a passive multiprobe sensor using conventional UHF radio frequency identification (RFID) tags is presented. The RFID link between the reader and the tag is analyzed from a general point of view by means of reciprocity principle, to obtain a compact and explicit expression of the response of RFID tags that can be exploited in sensing measurements. A calibration scheme to remove nonlinearities in the response of RFID tags, which are due to the scavenging powering mechanism of passive tags, is also presented along with measurements. Finally, experimental results and discussion of a complete multiprobe sensing scenario are used to show the different challenges involved and how to overcome them.

引用

页码：3093 / 3101

页数：9

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