Integrated Active Pulsed Reflector for FMCW Radar Localization

被引：5

作者：

Wehrli, Silvan ^{[1
]}

Barras, David ^{[1
]}

Ellinger, Frank ^{[2
]}

Jaeckel, Heinz ^{[1
]}

机构：

[1] ETH, Elect Lab, CH-8092 Zurich, Switzerland

[2] Tech Univ Dresden, D-01062 Dresden, Germany

来源：

2009 IEEE/MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM, VOLS 1-3 | 2009年

关键词：

Chirp radar; radar scattering; tunable oscillators; impedance matching;

D O I：

10.1109/MWSYM.2009.5165637

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 an integrated active pulsed reflector (APR) functioning as a backscatterer in a power efficient local positioning system using a frequency modulated continuous wave (FMCW) radar in the ISM band at 5.8 GHz. The APR is designed as a switchable, tunable oscillator and is integrated in a 0.18-mu m CMOS technology. The operating frequency of the APR can be tuned from 5.45 to 6.69 GHz, the output power is between 2.17 and 6.11 dBm and the matching is better than -9 dB over the complete tuning range. The active reflector including a low-frequency oscillator for modulation draws 46.2 mA from a 3.3 V power supply. The operation principle was verified and a measurement accuracy of 4.9 cm over a measurement range of 1.5 to 7.5 m was achieved neglecting multipath effects.

引用

页码：81 / +

页数：2