One-hop broadcasting is the predominate form of network traffic in VANETs. Exchanging status information by broadcasting among the vehicles enhances vehicular active safety. Since there is no MAC layer broadcasting recovery for 802.11 based VANETs, efforts should be made towards more robust and effective transmission of such safety-related information. In this paper, a channel adaptive broadcasting method is proposed. It relies solely on channel condition information available at each vehicle by employing standard supported sequence number mechanisms. The proposed method is fully compatible with 802.11 and introduces no communication overhead. Simulation studies show that it outperforms standard broadcasting in term of reception rate and channel utilization.


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    Title :

    Channel Adaptive One Hop Broadcasting for VANETs


    Contributors:
    Yang, Lin (author) / Guo, Jinhua (author) / Wu, Ying (author)


    Publication date :

    2008-10-01


    Size :

    332561 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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