NDLI: Pilot study on the use of quasi-zenith satellite system as a GNSS augmentation system for high precision positioning in Australia

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Pilot study on the use of quasi-zenith satellite system as a GNSS augmentation system for high precision positioning in Australia

Content Provider	Semantic Scholar
Author	Harima, Ken Choy, Suelynn Choudhurym, M. Kogure, Satoshi Rizos, Chris
Copyright Year	2015
Abstract	The Quasi-Zenith Satellite System (QZSS) is a Japanese regional satellite navigation system covering East Asia and Oceania. QZSS is designed as a satellite-based augmentation system to improve the availability and performance of Global Navigation Satellite Systems (GNSS) in the region. QZSS transmits augmentation signals such as the LEX (L-band Experimental) signal, which is capable of transmitting precise navigation messages for high accuracy point positioning. A joint project between the Australian Cooperative Research Centre for Spatial Information (CRCSI) and the Japanese Aerospace Exploration Agency (JAXA) aims to assess the feasibility of using the LEX signal to potentially deliver a precise positioning service in Australia. This paper presents the results of a pilot study for the use of the LEX signal to transmit navigation messages for Precise Point Positioning with Ambiguity Resolution (PPP-AR). LEX correction messages based on the available real-time products were transmitted from Australia to the QZS master control station in Japan and broadcasted on the LEX signal. The messages were decoded on different points regions in Australia and used to compute real-time PPP-AR solutions. Positions solutions were obtained for both fixed receivers and vehicle mounted receivers. A comparison with Position solutions obtained using real-time streams directly shows that latency and outages product of the satellite transmission don't have significant effects in ambiguity resolution nor positioning accuracy.
Starting Page	1
Ending Page	15
Page Count	15
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.ignss.org/LinkClick.aspx?fileticket=nAZW8M6dMWE%3D&mid=558&tabid=147
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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