基于权重和均衡能量的ZigBee改进路由算法

摘要

Unstable routing,long delay and unbalanced energy existed in ZigBee routing algorithm.Ai-ming at these shortages,based on weight and equilibrium energy,an improved routing algorithm is pro-posed.Nodes with higher energy are selected to act as a repeater in the path of meeting the weight and nodes with lower energy are used to feed back energy state in the process of data packets transmission. The source disconnects actively with the old link,thus changing the path.The NS2 platform is used to conduct a simulation experiment and performance analysis between ZigBee-new and ZigBee.The simula-tion results show that the improved ZigBee-new algorithm promotes the performance obviously.%针对ZigBee路由协议中存在路由不稳定、时延大以及能量不平衡等问题，提出了一种基于权重和均衡能量的ZigBee改进路由算法(ZigBee－new)。在满足权重的路径查找中优先挑选能量高的节点充当中继，而低能量的节点反馈能量状态，由源端主动断开旧链路，进而转变路径。采用 NS2平台对 ZigBee和 ZigBee－new进行了仿真实验和性能分析，仿真实验结果表明，改进后的 ZigBee－new 路由算法比较明显地改进了原 ZigBee路由算法的性能。