GPS-smartphones as probe vehicles have become a promising technique for real-time traffic surveillance and dynamic traffic information collection. In order to achieve cost-effective traffic information collection and estimation, a suitable sampling interval should be determined. This paper investigates two optimal sampling intervals, including space-based and time-based sampling intervals. With the requirements of high-link travel speed estimation accuracy and map-matching accuracy, the paper proposes optimal space-based and time-based sampling interval (around 120m and 20s) for GPS-smartphone probes.


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    Titel :

    Experimentation-Based Sampling Scheme for GPS-Smartphone Probe Vehicles


    Beteiligte:
    Ou, Dongxiu (Autor:in) / Yang, Yuchen (Autor:in) / Xu, Tianlai (Autor:in)

    Kongress:

    Fourth International Conference on Transportation Engineering ; 2013 ; Chengdu, China


    Erschienen in:

    ICTE 2013 ; 2415-2420


    Erscheinungsdatum :

    2013-10-09




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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