计算机应用

• 网络与通信(Network and communications) • 上一篇    下一篇

基于能量均衡的ZigBee网络树路由算法

班艳丽 柴乔林 王琛   

  1. 山东大学
  • 收稿日期:2008-06-02 修回日期:2008-07-27 发布日期:2008-11-01 出版日期:2008-11-01
  • 通讯作者: 班艳丽

ZigBee tree routing algorithm based on energy balance

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  • Received:2008-06-02 Revised:2008-07-27 Online:2008-11-01 Published:2008-11-01
  • Contact: Yan-li BAN

摘要: 针对ZigBee网络树路由算法中的路由非最优以及某些节点可能会因为业务量过大而过早耗尽电池能量的问题,提出一种改进的基于能量均衡的ZigBee树路由算法。改进算法中通过引入邻居表,考虑路由跳数使路由局部最优,同时改进算法中也考虑了节点的剩余能量,路由选择的时候尽量避开剩余能量较低的节点。仿真结果表明,改进算法能有效地节省网络的总体能量消耗,实现网络负载均衡,最大化网络的生存时间。

关键词: ZigBee网络, 树路由, 邻居表, 剩余能量, OMNET++仿真

Abstract: Aiming at the problems of ZigBee tree routing algorithm that the routing may be not optimal and some nodes may use up all the energy because of heavy transmissions, this paper puts forward an improved ZigBee tree routing algorithm based on energy-balanced. The improved algorithm introduces the neighbor table to make sure that the routing is local optimal by considering the routing hops. At the same time, this paper also considers the residual energy of nodes to avoid selecting some nodes with low residual energy in routing selection. The simulation results indicate that this improved algorithm can reduce the energy consumption efficiently, resolve the problem of unbalance load and maximize the lifetime of the whole network.

Key words: ZigBee network, tree routing, neighbor table, residual energy, OMNET++ simulation