Evaluation of the Localization Accuracy of Satellite Systems for Traffic-Flow Predictions

Brian Niehoefer, Andreas Lewandowski and Christian Wietfeld

Abstract:	A lane-specific GNSS positioning accuracy is required as input to improve sophisticated traffic flow modeling, but will be also useful for autonomous control of cars in future smart traffic environments. In this paper we investigate the accuracy of satellite-based positioning data in various system environments using a detailed system model, which includes all relevant impairments of the propagation channel as well as receiver behavior. Based on a multi-scale simulation concept, which takes into ac-count satellite mobility and constellations, satellite selection by the receiver using GDOP and determination of TOA impacted by shadowing and multi-path propagation, the feasibility of a lane-specific positioning is investigated. The results presented in this paper include a detailed discussion of the evaluation of the lane-specific positioning accuracy of different satellite systems and their combination (GPS/GALILEO) as well as rural, sub-urban and urban system environments.
Published in:	Proceedings of the 24th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2011) September 20 - 23, 2011 Oregon Convention Center, Portland, Oregon Portland, OR
Pages:	2053 - 2059
Cite this article:	Niehoefer, Brian, Lewandowski, Andreas, Wietfeld, Christian, "Evaluation of the Localization Accuracy of Satellite Systems for Traffic-Flow Predictions," Proceedings of the 24th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2011), Portland, OR, September 2011, pp. 2053-2059.
Full Paper:	ION Members/Non-Members: 1 Download Credit Sign In