[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.11003/JPNT.2021.10.2.103

Impact of Multi-GNSS Measurements on Baseline Processing for Control Surveying Applications

Pawar, Komal Narayan (Department of Eco-Friendly Offshore Plant FEED Engineering, Changwon National University)
Yun, Seonghyeon (Department of Eco-Friendly Offshore Plant FEED Engineering, Changwon National University)
Lee, Hungkyu (School of Civil, Environmental and Chemical Engineering, Changwon National University)
Nguyen, Dinh Huy (Department of Geodesy and Geomatics Engineering, National University of Civil Engineering)

Publication Information

Journal of Positioning, Navigation, and Timing / v.10, no.2, 2021 , pp. 103-111 More about this Journal

Abstract

A series of experiments have been carried out by using National Geographic Information Institute(NGII)'s Continuously Operating Reference Station (CORS) data with various strategies to analyze the impact of multi-GNSS measurements on baseline processing. The results of baseline processing were compared in terms of ambiguity fixing rate, precision, and hypothesis tests were conducted to confirm the statistical difference. The combination of multi-GNSS measurements has helped to improve ambiguity fixing rate, especially under harsh positioning environments. Combination of GPS, Galileo, BeiDou could get better precision than that of GPS, GLONASS, Galileo, and adding QZSS made the baseline solution's vertical component more precisely. The hypothesis tests have statistically confirmed that the inclusion of the multi-GNSS in the baseline processing enables not only to reduce field observation time length but also to enhance the solution's precision. However, it is of interest to notice that results of the baseline solution are dependent upon the software used. Hence, comprehensive studies should be performed shortly to derive the best practice to select the appropriate software.

Keywords

multi-GNSS; control survey; baseline processing; precision;

Citations & Related Records

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