Analysis of phase sampling noise of switched injection-locked oscillators

被引：0

作者：

Strobel, Axel ^{[1
]}

Schulz, Markus ^{[1
]}

Ellinger, Frank ^{[1
]}

Carlowitz, Christian ^{[2
]}

Vossiek, Martin ^{[2
]}

机构：

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

[2] Univ Erlangen Nurnberg, D-91058 Erlangen, Germany

来源：

2014 IEEE TOPICAL CONFERENCE ON WIRELESS SENSORS AND SENSOR NETWORKS (WISNET) | 2014年

关键词：

Chirp radar; distance measurement; switched injection-locked oscillator; frequency modulated (FM) radar; FM continuous wave (FMCW) secondary radar; input referred noise power; phase sampling; SYSTEMS;

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：

In this paper, a fully integrated active backscatter transponder based on the switched injection-locked oscillator (SILO) principle for frequency modulated continuous wave (FMCW) radar applications is presented. Furthermore, a novel theory to model the phase sampling behaviour of a SILO, accounting for noisy injection signals, is derived. The presented backscatter tag operates at 34.5 GHz and reaches a steady-state output power of 7 dBm. The input referred noise power of the SILO is -66 dBm. In system measurements, a remarkably good accuracy of 5 cm and a precision better than 2 mm was achieved in an indoor environment at ranges from 0.7 m to 17 m. In outdoor measurements an accuracy of 2 cm and a precision 1 cm was achieved for ranges from 45 m to 103 m.

引用

页码：43 / 45

页数：3

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