Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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GNSS Precise Positioning Design for Intelligent Transportation System

지능형 교통시스템에 적합한 위성항법 기반의 정밀측위 구조 설계

  • 이병현 (건국대학교 전자공학부) ;
  • 임성혁 (한국항공우주연구원 위성항행항법팀) ;
  • 허문범 (한국항공우주연구원 위성항행항법팀) ;
  • 지규인 (건국대학교 전자공학부)
  • Received : 2012.08.27
  • Accepted : 2012.09.25
  • Published : 2012.11.01
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Abstract

In this paper, a structure of precise positioning based on satellite navigation system is proposed. The proposed system is consisted with three parts, range domain filter, navigation filter and position domain filter. The range domain filter generates carrier phase-smoothed-Doppler and Doppler-smoothed-code measurements. And the navigation filter calculates position and velocity using double-differenced code/carrier phase/Doppler measurements. Finally, position domain filter smooth position error, and it means enhancement of positioning performance. The proposed positioning method is evaluated by trajectory analysis using precise map date. As a result, the position error occurred by multipath or cycle slip was reduced and the calculated trajectory was in true lane.

Keywords

References

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