InstituteNews and Events
Neues Forschungsprojekt: Korrektur von GNSS-Mehrwegeeffekten für die zuverlässige Eigenlokalisierung von hochautomatisierten Fahrzeugen in innerstädtischen Bereichen (KOMET)

New Research project: Correction of GNSS multipath effects for reliable autonomous localisation of highly automated vehicles in metropolitan areas (KOMET)

© Ch. Skupin (Bosch)
Logo of the KOMET Project (BMWi/TÜV Rheinland)

The complex GNSS signal propagation (signal shading, multipath effects) in urban environments makes the determination of an accurate and robust positioning solution a particularly challenging task - e.g. for positioning in narrow street canyons. The research project aims to develop and implement innovative correction methods to reduce multipath effects in order to improve carrier phase-based GNSS positioning.

An interdisciplinary working group of the Leibniz University of Hanover (Institute for Geodesy) together with the companies Bosch (Hildesheim) and Geo++ (Garbsen) is researching a robust and precise concept and correction procedures for optimal vehicle location based on satellite navigation methods (GPS/GNSS) in urban environments in a joint project financed by the Federal Ministry of Economics and Energy (BMWi) and accompanied by TÜV Rheinland. The project is carried out in the technical programme Neue Fahrzeug- und Systemtechnologien within the field of Hochgenaue Lokalisation.

At the present state-of-the-art, reliable positioning in urban environments for highly automated driving can only be achieved by a comprehensive fusion of a GNSS sensor with various costly sensors (radar, video, lidar). If the GNSS sensor, which is necessary anyway, can be increased in its accuracy and robustness with the correction methods to be developed, the reliable localisation procedure can be realised with considerably less effort for additional sensors. The project contributes to the goal of helping highly automated driving in inner-city areas to achieve economic progress. .

The chair of Prof. Dr.-Ing. Schön is actively involved in the project by developing the methodological concepts and mathematical modelling of GNSS signal characteristics as well as the analysis of the required model parameters for the description of GNSS signal characteristics as a basis for correction concepts.

Further information is provided by on the pages of the professorship for positioning and navigation