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无线传感网络中一种基于网络编码的可靠数据发送方法
  • 摘要

    传输可靠性是无线传感网络的优化目标之一.一般通过多路径和丢包重传提供冗余来实现,但是不可避免的带来节点能量等资源的浪费.在可靠多径路由中引入网络编码机制,在建立反向传播路径时,使用满足期望可靠性所需的冗余度RDD来控制最小路径数和网络编码策略;然后将多份线性无关的编码报文沿多条路径传输,汇聚节点收到满足解码条件的数据包后解码.这种方法增加网络的鲁棒性,同时降低多路径传递所需的冗余量.最后通过仿真实验证明,该方法在满足可靠性要求的同时,有效降低传输能量消耗.

  • 作者

    吴文昌  伍仁勇  李仁发  Wu Wenchang  Wu Renyong  Li Renfa 

  • 作者单位

    湖南大学计算机与通信学院,长沙,410082

  • 刊期

    2010年z2期 ISTIC EI PKU

  • 关键词

    无线传感网络  随机网络编码  可靠性  冗余度 

参考文献
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