Centimeter Level Augmentation Service (CLAS) in Japanese Quasi-Zenith Satellite System, Design for Satellite Based RTK-PPP Services

Masakazu Miya, Seigo Fujita, Yuki Sato, Koji Kaneko, Yoshihiro Shima, Rui Hirokawa, Hisao Sone, Jun-ichi Takiguchi

Abstract:	Centimeter Level Augmentation Service (CLAS) in Japanese Quasi-Zenith Satellite System (QZSS) is under development and will begin in 2018 with a four satellite constellation. The outline of the service, contents of the broadcast augmentation information, a design framework for constructing a satellite based RTK-PPP (Real Time Kinematic Precise Point Positioning) service were presented in ION GNSS+ 2014[1]. In this paper, new topics concerning a signal design, a user interface design, and a message standardization plan for CLAS are described. The design results in having capability to apply for any other satellite based or ground based RTK-PPP augmentation services as well.
Published in:	Proceedings of the 28th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2015) September 14 - 18, 2015 Tampa Convention Center Tampa, Florida
Pages:	1958 - 1962
Cite this article:	Miya, Masakazu, Fujita, Seigo, Sato, Yuki, Kaneko, Koji, Shima, Yoshihiro, Hirokawa, Rui, Sone, Hisao, Takiguchi, Jun-ichi, "Centimeter Level Augmentation Service (CLAS) in Japanese Quasi-Zenith Satellite System, Design for Satellite Based RTK-PPP Services," Proceedings of the 28th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2015), Tampa, Florida, September 2015, pp. 1958-1962.
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