In recent years, vehicular networks have experienced a fast evolution, and vehicles reaching the market are starting to be equipped with wireless communication devices. One of the main applications being developed for these environments is content delivery, which can help at, e.g., warning when an accident occurs. In this paper we compare two different content broadcasting strategies offering efficient content diffusion in vehicular environments. Specifically, we rely on Raptor codes to increase robustness in the presence of losses. Experimental results based on a vehicular testbed we deployed show that the overall approach is effective on both Access Point-based and RoadSide Unit (RSU) based content diffusion strategies. In fact, we demonstrate that the procedure required to connect to the access point introduces a non-negligible delay, which causes the results to be substantially improved when using RSUs (ad-hoc mode).


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    Titel :

    Evaluating RaptorQ-Based Content Broadcasting Strategies in Vehicular Environments


    Beteiligte:


    Erscheinungsdatum :

    2018-06-01


    Format / Umfang :

    5592086 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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