Methods and systems related to determining the ordering and/or positioning of travel lanes on a road segment are disclosed. In some embodiments, this may include obtaining and clustering road surface profiles associated with a road segment using, for example, a degree of similarity or other appropriate metric. A lateral offset or position of the clustered profiles may be used in determining the lane ordering and/or position. The resulting lane specific information may be used to determine a travel lane for a vehicle by comparing a current road-profile obtained from the vehicle and the road profile information associated with the different lanes. In other embodiments, a method and/or system for augmenting a global navigation satellite system (GNSS) signal may include using a raw GNSS signal and a GNSS location associated with terrain-based data to determine a lateral offset for use in determining a corrected GNSS location of the vehicle.


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    Title :

    SYSTEMS AND METHODS FOR GNSS AUGMENTATION VIA TERRAIN-BASED CLUSTERING INSIGHTS


    Additional title:

    SYSTEME UND VERFAHREN ZUR GNSS-VERSTÄRKUNG ÜBER GELÄNDEBASIERTE CLUSTERING-EINSICHTEN
    SYSTÈMES ET PROCÉDÉS D'AMÉLIORATION DE GNSS PAR L'INTERMÉDIAIRE DE CONNAISSANCES DE REGROUPEMENT BASÉES SUR LE TERRAIN



    Publication date :

    2025-05-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G06V / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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