一种基于LEACH的异构WSN能量均衡成簇协议

无线传感网络低功耗路由的研究对于延长无线传感网络的生存周期具有重要的意义。针对多种类型数据同时采集的异构无线传感器网络，提出了LEACH改进协议—可变通信周期策略的能量均衡成簇协议ACPSEB-LEACH（Alterable Com?munication Period Strategy and Energy Balanced-LEACH），该协议从抑制节点数据发送量方面出发，将数据采集周期与数据通信周期分离，采取簇内可变通信周期策略以减少部分节点的能量消耗。在此基础上，引入节点活跃度因子进行簇头选举公式优化和成簇优化，实现全局网络能量均衡。仿真表明，改进后的协议在延长网络生存周期、平衡全局能量上有更好的效果。

An energy balanced clusting protocol for heterogeneous wsn based on leach

Study of low-power wireless sensor network routing has great significance for extending the lifetime of wireless sensor networks. Aiming at various data collection at the same time,proposed a kind of improved LEACH protocol—ACPSEB-LEACH(Alterable Communication Period Strategy and Energy Balanced-LEACH)protocol, separated the data-sensor cycle and communication cycle so that reduce energy consumption of some nodes by alter?able communication cycle strategy,optimized for both cluster head election and cluster formation to achieve global energy balance by bringing in node’s activity-level.Simulation results show that the improved Protocol can prolong network lifetime and have better results on the global energy balance.