A Message Authentication Proposal for SatelliteBased Nationwide PPP-RTK Correction Service

Rui Hirokawa and Seigo Fujita

Abstract:	The operational service of CLAS of Japan Quasi-Zenith-Satellite-System (QZSS), a nation-wide satellite-based PPP-RTK service in Japan having the centimeter-level positioning accuracy begun on November 1, 2018. In this paper, the result of continuous performance evaluation on the multiple stations of the Japan CORS network is presented, the positioning accuracy and the time-toambiguity fix (TTFF) evaluated in the static and kinematic condition. A kinematic van test result applying CLAS correction with a prototype GNSS receiver is also presented, it is confirmed that the positioning accuracy comparable with the conventional RTK. In this performance evaluation, CLAS Test Library (CLASLIB), open-source software tools for PPP-RTK based on RTKLIB is introduced and applied.
Published in:	Proceedings of the 32nd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2019) September 16 - 20, 2019 Hyatt Regency Miami Miami, Florida
Pages:	1798 - 1811
Cite this article:	Hirokawa, Rui, Fujita, Seigo, "A Message Authentication Proposal for SatelliteBased Nationwide PPP-RTK Correction Service," Proceedings of the 32nd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2019), Miami, Florida, September 2019, pp. 1798-1811. https://doi.org/10.33012/2019.17085
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