Towards the Inclusion of Galileo and BeiDou/Compass Satellites in Trimble CenterPoint RTX

H. Landau, M. Brandl, X. Chen, R. Drescher, M. Glocker, A. Nardo, M. Nitschke, D. Salazar, U. Weinbach, F. Zhang

Abstract:	The Trimble CenterPoint RTX service provides real-time GNSS positioning with global coverage and fast initialization. The service is transmitted via six geostationary satellites using L-band and via NTRIP. The accuracy of kinematic positioning is better than 4 cm in horizontal (95%) at anytime, anywhere. It is achieved after a typical convergence time of 30 minutes or less. The CenterPoint RTX system is based on the generation of precise orbit and clock information for GNSS satellites. The CenterPoint RTX satellite corrections are generated in real time using data streams from approximately 100 globally distributed reference stations of Trimble’s tracking network. Since its introduction in 2011 the system has undergone two major releases in spring 2012 and spring 2013, which included the general performance improvement with respect to convergence time and the introduction of additional services like RangePoint RTX and features like xFill. The Trimble CenterPoint RTX service today supports GPS, GLONASS and QZSS signals. Recently emphasis was put on the evaluation of the possibility to include additional satellite systems into the service, especially Galileo and BeiDou/Compass. Results on the achieved orbit and clock quality for Galileo and BeiDou satellites are presented using the Trimble CenterPoint RTX tracking network. The benefit of using these additional satellites in RTX positioning was analysed and first results are shown using a prototype implementation.
Published in:	Proceedings of the 26th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2013) September 16 - 20, 2013 Nashville Convention Center, Nashville, Tennessee Nashville, TN
Pages:	1215 - 1223
Cite this article:	Landau, H., Brandl, M., Chen, X., Drescher, R., Glocker, M., Nardo, A., Nitschke, M., Salazar, D., Weinbach, U., Zhang, F., "Towards the Inclusion of Galileo and BeiDou/Compass Satellites in Trimble CenterPoint RTX," Proceedings of the 26th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2013), Nashville, TN, September 2013, pp. 1215-1223.
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