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A Cluster-Based Opportunistic Multicast in Multi-hop Wireless Networks

机译:多跳无线网络中基于集群的机会组播

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摘要

Multicast has become increasingly important in multi-hop wireless networks for such applications which deliver shared media and data to multiple receivers. However, the existing multicast protocols for wireless network have large control overhead, and cannot adequately take the advantage of broadcast communication mode in multicast structure for sharing the forwarding path. This paper proposes a Cluster-based opportunistic multicast (COM) algorithm, which constructs multicast tree structure based on clusters by utilizing a stability greedy algorithm to achieve the minimum total Cluster-based expected transmission count (CETX). In this multicast tree structure, the edge is created between the kernel sets respectively belonging to two clusters for improving the forwarding efficiency and the stability of this structure. In the process of data distribution, our multi-layer solution combines multicast and opportunistic routing to improve the efficiency of transmission. Simulation results show that COM scheme can achieve the less total number of sending packets, and higher stability than other topology-based solutions and opportunistic multicast.
机译:对于此类将共享媒体和数据传送到多个接收器的应用,多播在多跳无线网络中变得越来越重要。然而,现有的用于无线网络的组播协议具有较大的控制开销,并且不能充分利用组播结构中的广播通信模式来共享转发路径。本文提出了一种基于簇的机会组播(COM)算法,该算法通过利用稳定性贪婪算法来实现基于簇的组播树结构,以实现最小的基于簇的期望传输总数(CETX)。在该多播树结构中,在分别属于两个集群的内核集之间创建边缘,以提高转发效率和该结构的稳定性。在数据分发过程中,我们的多层解决方案结合了组播和机会路由,以提高传输效率。仿真结果表明,与其他基于拓扑的解决方案和机会组播相比,COM方案可以减少发送报文的总数,并提高稳定性。

著录项

  • 来源
    《Chinese Journal of Electronics》 |2015年第1期|170-175|共6页
  • 作者

    Haiyang Zhang;

  • 作者单位

    Beijing University of Posts and Telecommunications, China;

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  • 原文格式 PDF
  • 正文语种 eng
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