Evaluating the Urban Trench Model for Improved GNSS Positioning In Urban Areas

Lucy Icking, Tobias Kersten, Steffen Schön

Peer Reviewed

Abstract:	Urban environments still form a challenge for Global Navigation Satellite System (GNSS) positioning as they induce difficult conditions for signal propagation. Previous research showed a successful application of the Urban Trench Model to detect non-line-of-sight (NLOS) satellite signals and improve positioning under urban conditions. In this paper, we adapt the approach to the city of Hannover with a detailed 3D city model and focus on the analysis of receiver specific signal characteristics during line-of-sight (LOS) and NLOS phases, herein also investigating the reflection of a signal on building surfaces. The question will be studied whether it is useful to apply a reflection detour on the signal for an improvement in positioning.
Published in:	2020 IEEE/ION Position, Location and Navigation Symposium (PLANS) April 20 - 23, 2020 Hilton Portland Downtown Portland, Oregon
Pages:	631 - 638
Cite this article:	Icking, Lucy, Kersten, Tobias, Schön, Steffen, "Evaluating the Urban Trench Model for Improved GNSS Positioning In Urban Areas," 2020 IEEE/ION Position, Location and Navigation Symposium (PLANS), Portland, Oregon, April 2020, pp. 631-638.
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