METHODS AND SYSTEMS FOR TERRAIN-BASED LOCALIZATION OF A VEHICLE
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United States of America
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Issued Date -
Jan 9, 2025
app pub date -
Nov 23, 2022
filing date -
Nov 23, 2022
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Abstract
Methods and systems are described for accurately determining the location of a vehicle traveling along a road. Methods include first locating the approximate position of a vehicle using techniques such as GNSS or dead reckoning from a know location, and then refining the position of the vehicle using terrain-based localization. This type of localization includes the use of the temporal and spatial variation of magnitude of the correlation between a current road surface profile, obtained while traveling along a road, and previously obtained reference profiles of the same road.
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