[en] The current accuracy of IGS products, few centimeter level, requires amongst other things that the location for GNSS antennas are nearly optimal for GNSS observations. This includes a low multipath environment and little to no signal obstructions. However, this is not guaranteed for every station especially in urban areas and mountainous regions. As some applications such as GNSS for sea level studies or to monitor landslides require GNSS antennas to be installed at a specific site, it is clear that the environment might not be favourable for GNSS observations. In this study, we investigate the effect of signal obstructions on station positions, specifically the height component, based on simulated obstruction scenarios using a modified Bernese GNSS Software version 5.2 (BSW52). The behaviours of different obstruction scenarios and the impact of multi-GNSS (GPS+GLONASS for now) observations for both clear and obstructed stations are discussed.
Research center :
Geophysics Laboratory, University of Luxembourg ULHPC - University of Luxembourg: High Performance Computing
Disciplines :
Earth sciences & physical geography
Author, co-author :
ABRAHA, Kibrom Ebuy ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
TEFERLE, Felix Norman ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
HUNEGNAW, Addisu ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Dach, Rolf; Astronomical Institute, University of Bern
External co-authors :
yes
Language :
English
Title :
Signal Obstructions at GNSS Stations: Benefits From Multi-GNSS Observations
Publication date :
27 October 2015
Event name :
5th International Colloquium on Scientific and Fundamental Aspects of the Galileo Programme
Event organizer :
European Space Agency (ESA), Deutsches Zentrum für Luft- und Raumfahrt (DLR) and Physikalisch-Technische Bundesanstalt (PTB)
Event place :
Braunschweig, Germany
Event date :
27-10-2015 to 29-10-2015
Audience :
International
FnR Project :
FNR6835562 - Multi-gnss Benefits To Long-term Monitoring Applications In The Geosciences, 2013 (01/05/2014-30/04/2018) - Kibrom Ebuy Abraha