Realistic prediction of accuracy in urban environments with a GNSS simulation tool

K. Müller, M. Becker, S. Leinen

Nowadays surveying with the Global Positioning System (GPS) in undisturbed environments is a standard. Under normal conditions resolving the ambiguities is easily achieved, to yield precise positions at the cm level. However, it is often impossible to fix a solution in urban areas, because obstructions mask satellites and let the number of available satellites become too small. In the next years the Global Navigation Satellite System (GNSS) scenery will change.

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