Publisher : The Korean Society for Geospatial Information System
DOI : 10.7319/kogsis.2015.23.4.049
Title & Authors
Analysis of Integrated GPS/GLONASS/BDS Positioning Accuracy using Low Cost Receiver Tae, Hyun U; Park, Kwan Dong; Kim, Mi So;
This paper explains major considerations for integrated GPS/GLONASS/BDS positioning, and then analyzes integrated GNSS positioning accuracies based on low-cost receivers in open-sky and poor reception environments. In an open-sky environment, horizontal RMSE of the integrated system positioning is about 1.2m. It shows improved result compared with single system positioning, the improvement ratio was 17-55%. In poor reception environments, we sometimes could not do positioning because the number of visible satellites gets below four. In an integrated positioning mode, the number of visible satellites was always higher than four, allowing us to find positions all the time. The horizontal RMSE of the integrated system positioning in poor reception environments is about 6.4m. Compared with single system positioning;the integrated system positioning shows better performance and the improvement ratio was 8-47% for the horizontal directions.
Bazlov, Y., Galazin, V., Kaplan, B., Maksimov, V. and Roguzin, V., 1999, GLONASS to GPS: A new coordinate transformation, GPS world, pp. 54-58.
Dou, J., 2015, Performance of GPS and partially deployed BeiDou for real-time kinematic positioning in Western Canada, Master's Thesis, University of Calgary, pp. 19-20.
Habrich, H., 1999, Geodetic applications of the global navigation satellite system(GLONASS) and of GLONASS/GPS combinations, Doctoral Thesis, University of Berne.
CSNO, 2013, BeiDou Navigation Satellite System Signal In Space Interface Control Document - Open Service Signal.
RISDE, 2008, GLONASS Interface Control Document(Version 5.1).
Ineichen, D., Rothacher, M., Springer, T. and Beutler, G., 2000, Computation of precise GLONASS orbits for IGEX-98, Proc. of IAGS 2000, International Association of Geodesy Symposia, Vol. 121, pp. 26-31.
Lewandowski, W. and Arias, E. F., 2011, GNSS times and UTC, Metrologia, Vol. 48, No. 4, pp. 219-224.