Recently, some researchers have performed extensive experiments to study the feasibility and performance of vehicle drive-thru access to roadside access points (APs). The experiments demonstrate that the duration of connectivity to the AP is limited. A drive-thru vehicle has an area of high signal strength near the AP, but experiences poor link quality when entering or exiting the AP coverage area. Since a vehicle spends a large portion of the connection time in this poor link quality area, the data throughput can be significantly reduced. This problem has been identified in several works, but a viable solution has yet to be identified. In this paper, the authors propose a vehicle-to-vehicle relay (V2VR) scheme which extends the service range of roadside APs and allows drive-thru vehicles to maintain high throughput within an extended range. This solution is distributed and purely client-based, without any modification to the existing 802.11 APs. Through implementation and simulation, it will be demonstrated that the V2VR scheme can effectively extend the drive-thru access range and improve the network utilization for drive-thru vehicles.


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    Title :

    Extending drive-thru data access by vehicle-to-vehicle relay


    Additional title:

    Erweiterung des stationären Datenbereichs durch Fahrzeug-Fahrzeug-Weiterleitung


    Contributors:
    Zhao, Jing (author) / Arnold, Todd (author) / Zhang, Yang (author) / Cao, Guohong (author)


    Publication date :

    2008


    Size :

    10 Seiten, 13 Bilder, 2 Tabellen, 16 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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