Journal of the Korean Society for Aeronautical & Space Sciences (한국항공우주학회지)

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
권호 표지
DOI QR코드

DOI QR Code

A Study on Navigation Performance Analysis Technique of Pseudolite Navigation Systems

의사위성 항법시스템의 항법성능 분석기법 연구

  • Received : 2014.05.26
  • Accepted : 2014.10.28
  • Published : 2014.11.01
Download PDF
⟨ Previous Next ⟩

Abstract

In this paper, the navigation performance analysis techniques of a pseudolite navigation system are proposed. To validate the techniques, operation and navigation test results using real test data are addressed. The conventional navigation performance analysis methods used for satellite navigation system, such as Galileo and GPS, are analyzed to identify the error factor and to check the criterion of UERE defined in the standard document. And then the method to calculate the UERE through the ranging measurements are studied. By identifying the error factor in pseudolite navigation system based on these methods, the available UERE observation and calculation method applicable to pseudolite navigation are proposed. Simulation results considering various circumstances and the actual flight test results are presented to verify the proposed method.

본 논문은 의사위성 항법시스템의 항법성능 분석기법을 제시하고, 실제 시험 데이터를 이용한 의사위성 항법시스템의 항법결과 성능분석을 통해 이를 검증하고자 하였다. 기존 GPS 및 Galileo 등의 위성항법 분야에서 적용되는 항법성능 분석방법들을 통해 오차 요소들을 식별하고, 표준화된 문서에서 정의한 UERE의 기준을 확인하고, 실험적으로 UERE를 계산하는 방안을 살펴보았다. 이를 기준으로 의사위성 항법시스템에서의 오차 요소를 식별하고, 가용한 UERE 관측 방법과 UERE 계산 방법 및 UERE와 위성 배치로부터의 항법해 성능 추정 방안을 제안하고 몇 가지 상황을 고려한 시뮬레이션을 수행하였으며, 최종적으로 비행시험을 통한 실제 데이터를 이용하여 이를 검증하였다.

Keywords

References

  1. Kaplan, E.D. & Hegarty, C.J. (2006), "Understanding GPS Principles and Applicatioan," 2nd Edition, Norwood, MA, Artech House
  2. Misra, P. & Enge, P. (2006), "Global Positioning System Signals, Measurements, and Performance," 2nd Edition, Lincoln, MA, Ganga-Jamuna Press
  3. Craig, D. & Locata Corp., "USAF's New Reference System, Truth on the Range," Article of Inside GNSS Magazine, May/June 2012
  4. J. Wang, "Pseudolite Applications in Positioning and Navigation: Progress and Problems," Journal of Global Positioning Systems, Vol. 1, No. 1, pp.48-56, 2002 https://doi.org/10.5081/jgps.1.1.48
  5. Kee, C., D. Yun, and H. Jun, "Indoor Navigation System using Asynchronous Pseudolites," Journal of Navigation, Vol 56, No. 2, pp.443-455, 2003 https://doi.org/10.1017/S0373463303002467
  6. So, H., T. Lee, S. Jeon, C. Kim, C. Kee, T. Kim, and S. Lee, "Implementation of a Vector-based Tracking Loop Receiver in a Pseudolite Navigation System," Sensors, Vol. 10, No. 7, pp.6324-6346, 2010 https://doi.org/10.3390/s100706324
  7. Belabbas, B., Petitprez, F. and Hornbostel, A. (2005), "UERE Analysis for Static Single Frequency Positioning Using Data of IGS Stations," Proceedings of ION NTM 2005, January, CA, USA
  8. Eleuteri, M., Cretoni, D. and Gotta, M. (2009), "Detailed analysis on Giove-B User Equivalent Range Error (UERE)," Proceedings of ENC-GNSS 2009, Naples, Italy
  9. Kovach, K. (2000), "New User Equivalent Range Error (UERE) Budget for the Modernized Navstar Global Positioning System (GPS)," Proceedings of ION NTM 2000, January, CA, USA
  10. Department of Defense (USA), "Global Positioning System Standard Positioning Service Performance Standard," 4th Edition, Sep. 2008
  11. So, H., Lee, K. Park, Y. Park, J. and Song, K., "Performance Analysis of Pseudolite Tropospheric Delay Models Using Radiosonde Meteorological Data," Journal of the Korean GNSS Sociery(JKGS) 2(1), pp.49-57, 2013 https://doi.org/10.11003/JKGS.2013.2.1.049
  12. Park, J. and Suk, J., "A Study on the Effects and the Countermeasure of Sea Surface Reflection Waves in Pseudolite Navigation Systems," Journal of The Korean Society for Aeronautical and Space Sciences 42(6), pp.505-514, 2014 https://doi.org/10.5139/JKSAS.2014.42.6.505