Passive Harmonic RFID System for Buried Assets Localization

被引：24

作者：

Abdelnour, Abanob ^{[1
]}

Lazaro, Antonio ^{[2
]}

Villarino, Ramon ^{[2
]}

Kaddour, Darine ^{[1
]}

Tedjini, Smail ^{[1
]}

Girbau, David ^{[2
]}

机构：

[1] Univ Grenoble Alpes, LCIS, Grenoble INP, F-26000 Valence, France

[2] Rovira & Virgili Univ, Dept Elect Elect & Automat Control Engn, E-43007 Tarragona, Spain

来源：

SENSORS | 2018年 / 18卷 / 11期

基金：

欧盟地平线“2020”;

关键词：

harmonic radar; RFID; underground communications; passive tag; TAGS; DESIGN; READER; RADAR;

D O I：

10.3390/s18113635

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A passive harmonic tag for buried assets localization is presented for utility localization. The tag design is based on a dual-polarized patch antenna at Ultra High Frequency (UHF) band. One of its feeders is connected to a frequency doubler based on a Schottky diode that generates the second harmonic, which is transmitted using a linear-polarized patch tuned at this frequency. The power received at the other feeder of the dual-polarized antenna is harvested by an RF to DC converter based on a five-stage voltage multiplier whose energy is used to bias a low-power quartz oscillator that modulates the output of the doubler. The different parts of the system are presented, and the theoretical read range is estimated as a function of the soil composition and the water content. A low-cost reader based on a software defined radio is also presented. Finally, experiments with a prototype of the tag are performed for different soil conditions.

引用

页数：21

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