An on-board system for location estimation and communication for a vehicle. In some embodiments, the on-board system includes a global navigation satellite system receiver, an inertial sensing system, a wireless receiver, and a processing circuit. The wireless receiver includes at least one of a cellular communications receiver, and a wireless local area networking receiver. The processing circuit is configured: to determine whether a global navigation satellite system signal is present, and in response to determining that a global navigation satellite system signal is present, to store, in the processing circuit: a current location estimate generated by the global navigation satellite system receiver, and a characterization of a radio-frequency environment measured by the wireless receiver; and in response to determining that a global navigation satellite system signal is not present, to estimate a location of the vehicle based on a characterization of a radio-frequency environment measured by the wireless receiver.


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    Title :

    ENHANCED VEHICLE TRACKER



    Publication date :

    2019-04-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / 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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