ZigBee standard is a developing low-cost, low power consumption, short-distance wireless communication standard and routing algorithm improvement plays an important part in updating the protocol. Based on the analysis of existed ZigBee routing algorithm, this paper proposes an improvement by comprehensive using of Cluster-Tree algorithm and the "piggyback" technology to increase effective load capacity of the network, and run the simulation in NS-2, verified its feasibility. Simulation results show that the improved algorithm does not affect the other properties and reduces the number of routing control packets, so the effective load capacity has been improved. ConclusionsAiming at improving ZigBee routing algorithm, this article proposes an efficient use of the relevant parameters of Cluster-tree and relative algorithms, merging the piggyback technology commonly seen in computer network protocols, and then use NS-2 simulation platform for the validation and comparative analysis.
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