WiFi has been considered as the most promising radio technology to carry the rapidly growing in-vehicle Internet traffic, such as video streaming, user generated content sharing, etc. By offloading traffic from cellular networks to the roadside WiFi Access Points (APs), the traffic throughput can be improved with reduced network cost. Prior to Internet services, the vehicle has to accomplish the access procedure, which involves the transmission of the management frames such as probe request/response frames, authentication frames, etc. The access procedure can affect the throughput of the vehicular Internet connection, since the vehicle has to wait until all frames are successfully transmitted before accessing Internet services. To study the impact of such access procedure on the throughput performance of the in-vehicle Internet access via on-road WiFi APs, in this paper, we propose a two dimensional Markov chain model to study the progress of the access procedure when the vehicle drives through the consecutive zones within the AP coverage area. We evaluate the dependency of the throughput over different conditions, such as packet error rate, velocity of the vehicle, average packet delay, etc. The results of the paper will provide useful insights for future design and deployment of the roadside WiFi networks.


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    Titel :

    Throughput Analysis of In-Vehicle Internet Access via On-Road WiFi Access Points


    Beteiligte:
    Xu, Wenchao (Autor:in) / Zhou, Haibo (Autor:in) / Shi, Weisen (Autor:in) / Lyu, Feng (Autor:in) / Shen, Xuemin (Autor:in)


    Erscheinungsdatum :

    2017-09-01


    Format / Umfang :

    285741 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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