Share This Article:

Multipath Error Analysis of COMPASS Triple Frequency Observations

Abstract Full-Text HTML XML Download Download as PDF (Size:1270KB) PP. 12-21
DOI: 10.4236/pos.2014.51002    3,118 Downloads   5,046 Views   Citations

ABSTRACT

The BeiDou-2 satellite navigation system broadcasts triple frequency data. In this paper, the pseudorange multipath is extracted by using the geometry-free and ionosphere-free combination of one pseudorange and two phase measurements, and the phase multipath is extracted by using triple frequency phase measurements, respectively. By using several days static observation data, we exact the noisy pseudorange and phase multipath of three types of satellites, GEO, IGSO and MEO satellites. Because of the low frequency characteristics of the multipath, the low frequency wavelet filter is further used to recover the high-precision low frequency multipath signals that are specified by their amplitudes, periods and phases. The results show that the multipath periods are about 86160s, 86158s and 46391s for GEO, IGSO and MEO satellites, respectively, which coincide with that of the corresponding satellite orbits. Then we use the extracted multipath signals to correct the pseudorange measurements in order to improve the accuracy of point positioning. The positioning accuracy in East-West direction can be significantly improved by using the multipath corrected pseudorange measurements, and in the other two directions the positioning accuracy can also be improved to some extent.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

X. Ma and Y. Shen, "Multipath Error Analysis of COMPASS Triple Frequency Observations," Positioning, Vol. 5 No. 1, 2014, pp. 12-21. doi: 10.4236/pos.2014.51002.

References

[1] X. C. Feng, G. P. Jin, J. J. Fan and X. L. Wu, “Experimentation and Analysis of Multipath in Code-Ranged by GNSS Receiver,” The Second China Satellite Navigation Conference Papers, 18-20 May 2011, Shanghai, pp. 881- 886.
[2] S. H. Liu, J. Q. Fan and W. H. Jiao, “Effects of Dynamics of Multipath on Code Tracking Loop,” Acta Geodaetica et Cartographica Sinica, Vol. 40, No. 1, 2011, pp. 1001-1595.
[3] L. Alfred, “GPS Satellite Surveying,” John Wiley & Sons, Inc., Hoboken, 2004.
[4] X. L. Wu, J. H. Zhou, et al., “Multipath Error Detection and Correction for GEO/IGSO Satellites,” Science China Physics, Mechanics and Astronomy, Vol. 55, No. 7, 2012, pp. 1297-1306.
http://dx.doi.org/10.1007/s11433-012-4741-6
[5] X. L. Wu, S. S. Zhou, X. G. Hu and L. Liu, “Pseudo Range Fluctuation Analysis of Regional Navigation System,” The Second China Satellite Navigation Conference Papers, 18-20 May 2011, Shanghai, pp. 428-433.
[6] B. F. Li, Y. M. Feng and Y. Z. Shen, “Three Carrier Ambiguity Resolution: Distance-Independent Performance Demonstrated Using Semi-Generated Triple Frequency GPS signals,” GPS Solutions, Vol. 14, No. 2, 2010, pp. 177-184. http://dx.doi.org/10.1007/s10291-009-0131-6
[7] O. Montenbruck, A. Hauschild, P. Steigenberger, U. Hugentobler, P. Teunissen and S. Nakamura, “Initial Assessment of the COMPASS/BeiDou-2 Regional Navigation Satellite System,” GPS Solutions, Vol. 17, No. 2, 2013, pp. 211-222.
http://dx.doi.org/10.1007/s10291-012-0272-x
[8] S. S. Zhou, X. G. Hu and B. Wu, “Orbit Determination and Time Synchronization for a GEO/IGSO Satellite Navigation Constellation with Regional Tracking Network,” Science China Physics, Mechanics and Astronomy, Vol. 54, No. 6, 2011, pp. 1089-1097.
http://dx.doi.org/10.1007/s11433-011-4342-9
[9] L. C. Chen, “Compass Systems MEO Satellite In-Orbit Performance Verification and Analysis,” The Second Mapping Scientific Frontiers Forum Papers, 13-15 August 2010, Changchun, pp. 153-158.
[10] K. M. Larson, A. Bilich and P. Axelrad, “Improving the Precision of High-Rate GPS,” Journal of Geophysical Research, Vol. 112, No. B5, 2007, pp. 422-433.
http://dx.doi.org/10.1029/2006JB004367
[11] R. Xu, D. F. Huang, Y. H. Zhou and C. G. Li, “The Application of the Time Series Analysis to GPS Residuals,” Science of Surveying and Mapping, Vol. 34, No. 2, 2009, pp. 58-60.
[12] W. J. Dai, X. L. Ding, et al., “EMD Filter Method and Its Application in GPS Multipath,” Acta Geodaetica et Cartographica Sinica, Vol. 35, No. 11, 2006, pp. 1001-1595.
[13] L. G. Yuan, D. F. Huang, X. L. Ding, et al., “On the Influence of Signal Multipath Effects in GPS Carrier Phase Surveying,” Acta Geodaetica et Cartographica Sinica, Vol. 33, No. 3, 2004, pp. 1001-1595.
[14] T. Schempp, J. Burke and A. Rubin, “WAAS Benefits of GEO Ranging,” Proceedings of the 21st International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2008), Savannah, 16-19 September 2008, pp. 1903-1910.
[15] D. C. Agnew and K. M. Larson, “Finding the Repeat Times of the GPS Constellation,” GPS Solutions, Vol. 11, No. 3, 2006, pp. 71-76.
http://dx.doi.org/10.1007/s10291-006-0038-4

  
comments powered by Disqus

Copyright © 2018 by authors and Scientific Research Publishing Inc.

Creative Commons License

This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.