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首页> 外文期刊>Journal of network and computer applications >Multiagent driven dynamic clustering of vehicles in VANETs
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Multiagent driven dynamic clustering of vehicles in VANETs

机译：VANET中多媒介驱动的车辆动态集群

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摘要

Cluster formation in vehicular ad hoc networks (VANETs) is a challenging problem due to rapidly changing network topology and frequent network disconnections of vehicles. Dynamic clustering is a technique to form grouping of vehicles on the fly. We propose a multiagent driven dynamic clustering scheme for VANETS on a lane between two intersections by considering vehicle speed, direction, connectivity degree to other vehicles and mobility pattern. The scheme comprises of heavy-weight static and light-weight mobile agents. Initially, cluster members are identified based on vehicle's relative speed and direction for dynamic clustering. Cluster head is selected among the cluster members based on stability metric derived from connectivity degree, average speed and time to leave the road intersection. Cluster head predicts future association of cluster members based on mobility patterns. The announcement of cluster mobility pattern to all cluster members is made by cluster head. The cluster members with similar mobility pattern can reconnect with cluster head after passing an intersection of the lane. We have evaluated the performance and effectiveness of proposed scheme by comparing with an existing clustering scheme. It is observed that proposed scheme performs better than existing stable clustering scheme in terms of cluster formation time, cluster member selection time, cluster head selection time and control overheads.
机译：由于快速变化的网络拓扑结构和车辆的频繁网络断开，车载自组织网络（VANET）中的集群形成是一个具有挑战性的问题。动态聚类是一种在飞行中形成车辆分组的技术。通过考虑车辆的速度，方向，与其他车辆的连接程度以及出行方式，我们为两个交叉路口之间的车道上的VANETS提出了多主体驱动的动态聚类方案。该方案包括重量级静态和轻量级移动代理。最初，基于车辆的相对速度和方向识别集群成员以进行动态集群。根据连通性程度，平均速度和离开道路交叉口的时间得出的稳定性指标，在簇成员中选择簇头。集群负责人根据移动性模式预测集群成员的未来关联。群集头向所有群集成员发布群集移动性模式。具有相似移动性样式的集群成员在经过车道的交叉点后可以与集群头重新连接。通过与现有的聚类方案进行比较，我们评估了该方案的性能和有效性。可以看出，在集群形成时间，集群成员选择时间，集群头选择时间和控制开销方面，所提出的方案比现有的稳定集群方案表现更好。

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  • 来源
    《Journal of network and computer applications》 |2012年第6期|p.1771-1780|共10页
  • 作者

    M.S. Kakkasageri; S.S. Manvi;

  • 作者单位

    Department of Electronics and Communication Engineering, Basaveshwar Engineering College, Bagalkot 587102, India;

    Department of Electronics and Communication Engineering, Reva Institute of Technology and Management, Bangalore 560064, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    VANETs; software agents; dynamic clusters;

    机译：广域网软件代理;动态集群;

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