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
收藏
页码：43 / 45
页数：3
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