By analyzing the advantages and disadvantages of ClusterTree and AODVjr algorithm in ZigBee protocol, a optimization routing algorithm based on ClusterTree+AODVjr is proposed. The algorithm uses the neighbor table of ZigBee protocol and confirms the scope of the destination node through defining partition, so as to control hop counts of the broadcast RREQ packets and prevent invalid RREQ flooding.The optimization algorithm can effectively reduce the routing hop counts,the transmission delay and the numbers of death nodes in network, and improve the success rate of data transmission.
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