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Liévin QUOIDBACH Vice President. NAVTEQ / E112 – June 2007. The base of a E112 network. Why maps remain the core subject of E112 eSafety, V2V, I2V. POSITION ACCURACY. INDOOR. Gsm. ACCURACY + CERTIFICATION THE SAME FIGHT. Errors in GPS Signal. SOURCE EFFECT
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Liévin QUOIDBACHVice President NAVTEQ / E112 – June 2007
Why maps remain the core subject of E112 eSafety, V2V, I2V
POSITION ACCURACY INDOOR Gsm
ACCURACY + CERTIFICATION THE SAME FIGHT
Errors in GPS Signal SOURCE EFFECT • IONOSPHERIC ERROR +- 5 meter • EPHEMERIS ERROS +- 2.5 meter • SATELLITE CLOCK ERROR +- 2 meter • MULTIPATH DISTORSION +- 1 meter • TROPOSHERIC DISTORSION +- 0.5 meter • NUMERICAL ERRORS +- 1 meter or less ---------------------------- 15 meter = accurate position A MOTORWAY LANE = 3.75 meter A ROAD LANE = 3.25 meter
Integrity versus Accuracy: Example Would you rely on the more accurate knife thrower
ADAS Accurate car positioning Change of lane control Guidance at lane level
ADAS Multimodal Pedestrians.