WU Zhuang, YANG Yang, GUO Xun, AN Jianwei. Analysis of Collision Probability in IEEE 802.11Based VANETs[J]. Chinese Journal of Electronics, 2010, 19(1): 187-190.
Citation: WU Zhuang, YANG Yang, GUO Xun, AN Jianwei. Analysis of Collision Probability in IEEE 802.11Based VANETs[J]. Chinese Journal of Electronics, 2010, 19(1): 187-190.

Analysis of Collision Probability in IEEE 802.11Based VANETs

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-01-05
  • Vehicular ad hoc network (VANET) is a
    new type of ad hoc network with the characteristics of
    highly dynamic topology, variable vehicle velocity and den-
    sity. In the performance evaluation of VANETs, tradi-
    tional collision probability model is not suitable because
    it poorly re°ects these characteristics. This paper focuses
    on the analysis of collision probability, which is a vital in-
    gredient for any performance evaluation in IEEE 802.11
    system. On the basis of collision probability in WLANs, a
    new model is proposed to estimate collision probability in
    VANETs, which integrates the characteristics of VANETs.
    The model shows that the collision probability in VANETs
    is no longer a constant value as in traditional model, but
    a function of the factors re°ecting the characteristics of
    VANETs. Simulation results using Network Simulator
    2 (ns-2) show the validity and accuracy of the proposed
    model.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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