WSN中一种高效节能的分簇路由协议  

An energy-efficient clustering routing protocol for wireless sensor networks

作　　者：程焱芳[1] 吴玉成[1] 

机构地区：[1]重庆大学通信工程学院,重庆400044

出　　处：《微型机与应用》2011年第13期45-48,共4页Microcomputer & Its Applications

基　　金：国家自然科学基金(60872038);中国博士后基金(20090450787);重庆市教委科技项目(KJ08A09);"211工程"创新人才培养计划(S-09102)

摘　　要：针对传感器网络存在的节点能耗过快问题,提出了一种新的分簇路由协议EEGC。该协议底层拓扑采用分簇及簇内部分覆盖算法,有效地降低了网络能耗。上层拓扑采用近簇头单跳通信、远簇头多跳通信的方式,缓解了内环簇头能耗过快的问题。同时,以簇头剩余能量决定簇及簇间路由的重构,进一步提高了控制消息的效率。仿真验证表明,EEGC协议的网络寿命明显优于LEACH。Considering the efficiency of energy consumption in wireless sensor networks, in this paper, a new clustering routing protocol EEGC is proposed. It saves the energy by clustering and the cluster coverage algorithm on the bottom level. Then on the top level, message is transmitted in single-hop when cluster-head was near the sink node and in multi-hop when cluster-head is far away from the sink node, which could relieve the problem that cluster heads closer to the sink node tend to die earlier. Furthermore, cluster formation and data transmission are based on the remaining energy of cluster-head. Simulation results show that the new routing protocol provides longer lifetime and higher reliability than LEACH routing protocol.

关 键 词：无线传感器网络 能量控制 分簇算法 覆盖算法 能量洞 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]