摘要： 在ZigBee网络中，具有路由能力的网络节点通过预先设定广播半径的广播路由请求命令帧实现路由发现，不受限制的数据广播会影响网络性能。结合网络节点的地址信息和邻居表信息，减小路由请求命令帧广播深度，提出一种改进的路由发现广播策略。仿真结果表明，使用该策略能实现最优路由发现，减少路由请求命令帧转发次数，改善网络性能。

关键词: ZigBee网络, 路由发现, 分布式地址分配, 邻居表

Abstract: In ZigBee network, node with routing capability starts the route discovery by broadcasting Route Request(RREQ) command frame with a preset broadcast radius. Uncontrolled broadcasting data will impact performance of the network. This paper proposes an advanced broadcast strategy for route discovery by reducing the broadcast depth with the addresses information and the neighbor table. Simulation result shows that the algorithm can discover the optimum route, reduce the rebroadcast of RREQ command frame and improve the performance of the networks.

Key words: ZigBee network, route discovery, distributed address assignment, neighbor table

中图分类号: 

• TP393.03