The positioning performance of vehicular navigation systems based on a differential Global Position System (DGPS), dead-reckoning (DR), map matching (MM) and Kalman filter technologies are simulated. The vehicular navigation system using a 10-state extended Kalman filter to combine DGPS and DR can improve positioning accuracy. When DGPS signal obscuring occurs in the urban environment, DR with a map matching process can supplementally provide an accurate position for the vehicle. The simulation results of the paper can be used as a reference for the design, implementation and field tests of vehicular navigation systems.


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    Title :

    Simulations of the positioning accuracy of integrated vehicular navigation systems


    Contributors:
    Mar, J. (author) / Leu, J.-H. (author)

    Publication date :

    1996-04-01


    Size :

    8 pages



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English