Highlights An analytical model of timer-based message dissemination protocols in VANET is defined. The analytical model is validated against simulations driven by measured vehicle trajectories. Insight on practical dissemination protocol performance versus ideal message flooding is given. Accurate, simple approximations of the model are devised and checked in numerical examples. The dimensioning of the maximum hop range parameter of the protocol is discussed.

    Abstract Message dissemination protocols are a key component of the communication infrastructure of the Intelligent Transportation System. They have been targeted by several research and standardization efforts. An especially interesting class of dissemination protocols are so called timer (or delay) based ones. The recently standardized GeoBroadcast service of the GeoNetworking protocol of ETSI falls into this category. This work lays out an analytical model of message coverage distance and delivery delay with timer-based dissemination protocols in a highway environment. The model is based on the assumption of (possibly non homogeneous) Poisson vehicle spatial distribution. The model results are compared with computer simulations and measured data driven experiments, including scenarios with traffic discontinuities (signalized intersections). The limits of applicability of the proposed model are assessed, showing that it provides accurate predictions with a wide range of system parameters for highway scenarios. It is also shown that one of the most popular timer-based dissemination protocols achieves the same connectivity and coverage performance of the ideal message flooding.


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    Titel :

    Analysis of timer-based message dissemination protocols for inter-vehicle communications


    Beteiligte:


    Erscheinungsdatum :

    2016-04-18


    Format / Umfang :

    30 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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