5th International ICST Conference on Wireless Internet

Research Article

On infostation density of vehicular networks

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  • @INPROCEEDINGS{10.4108/ICST.WICON2010.8533,
        author={Vinod Kone and Haitao Zheng and Antony Rowstron and Ben Y. Zhao},
        title={On infostation density of vehicular networks},
        proceedings={5th International ICST Conference on Wireless Internet},
        keywords={Cellular networks Costs Mobile handsets Road transportation Satellite broadcasting Space technology Streaming media Telecommunication control Vehicles Wireless sensor networks},
  • Vinod Kone
    Haitao Zheng
    Antony Rowstron
    Ben Y. Zhao
    Year: 2010
    On infostation density of vehicular networks
    DOI: 10.4108/ICST.WICON2010.8533
Vinod Kone1,*, Haitao Zheng1,*, Antony Rowstron2,*, Ben Y. Zhao1,*
  • 1: Department of Computer Science, U. C. Santa Barbara
  • 2: Microsoft Research, Cambridge, United Kingdom
*Contact email: vinod@cs.ucsb.edu, htzheng@cs.ucsb.edu, antr@microsoft.com, ravenben@cs.ucsb.edu


Vehicle-to-Vehicle and Vehicle-to-Roadside communications are going to become an indispensable part of the modern day automotive experience. For people on the move, vehicular networks can provide critical network connectivity and access to real-time information. Infestations play a vital role in these networks by acting as gateways to the Internet and by extending network connectivity. In this context, an important question is "What is the minimum number of infestations that need to be deployed in an area in order to support vehicular applications?" Optimizing infostation density is vital to understanding and reducing the cost of deployment and management. In this paper, we examine the required infostation density in a highway scenario using different data dissemination models. We start from a simple analysis that captures the required density under idealized assumptions. We then run detailed QualNet simulations on both controlled and realistic vehicular traces to observe the information density trends in practical environments, and consequently propose techniques to improve dissemination performance and reduce the required infostation density.