能量均衡的无线传感器网络非均匀分簇路由协议

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1、软件学报ISSN1000-9825,CODENRUXUEWE-mail:jos@iscas.ac.cnJournalofSoftware,2012,23(5):12221232[doi:10.3724/SP.J.1001.2012.04061]http://www.jos.org.cn©中国科学院软件研究所版权所有.Tel/Fax:+86-10-62562563能量均衡的无线传感器网络非均匀分簇路由协议1+2111蒋畅江,石为人,唐贤伦,王平,向敏1(工业物联网与网络化控制教育部重点实验室(重庆邮电大学),重

2、庆400065)2(重庆大学自动化学院,重庆400030)Energy-BalancedUnequalClusteringRoutingProtocolforWirelessSensorNetworks1+2111JIANGChang-Jiang,SHIWei-Ren,TANGXian-Lun,WANGPing,XIANGMin1(KeyLaboratoryofIndustrialInternetofThingsandNetworkedControl,MinistryofEducation(ChongqingUni

3、versityofPostsandTelecommunications),Chongqing400065,China)2(CollegeofAutomation,ChongqingUniversity,Chongqing400030,China)+Correspondingauthor:E-mail:ccqjcj@qq.comJiangCJ,ShiWR,TangXL,WangP,XiangM.Energy-Balancedunequalclusteringroutingprotocolforwirelesssens

4、ornetworks.JournalofSoftware,2012,23(5):12221232.http://www.jos.org.cn/1000-9825/4061.htmAbstract:Adistributedenergy-balancedunequalclusteringroutingprotocol(DEBUC)isproposedandevaluatedinthispaper,whichadoptsanunequalclusteringmechanismincombinationwithanint

5、er-clustermultihoprouting.Throughatimebasedcompetitiveclusteringalgorithm,DEBUCpartitionsallnodesintoclustersofunequalsize,inwhichtheclustersclosertothebasestationhavesmallersize.Theclusterheadsoftheseclusterscanpreservesomemoreenergyfortheinter-clusterrelaytr

6、affic,andthe“hot-spots”problemcanbeavoided.Forinter-clustercommunication,DEBUCadoptsanenergy-awaremultihoproutingsystemtoreduceandbalancetheenergyconsumptionoftheclusterheads.Simulationresultsdemonstratethattheprotocolcanefficientlydecreasethedeadspeedofthenod

7、es,balancetheenergydissipationofallnodes,andprolongthenetworklifetime.Keywords:wirelesssensornetwork;routingprotocol;clustering摘要:提出了一种能量高效均衡、非均匀分簇和簇间多跳路由有机结合的无线传感器网络分布式分簇路由协议DEBUC(distributedenergy-balancedunequalclusteringroutingprotocol).该协议采用基于时间的簇头竞争算法,广播

8、时间取决于候选簇头的剩余能量和其邻居节点的剩余能量.同时,通过控制不同位置候选簇头的竞争范围,使得距离基站较近的簇的几何尺寸较小.这样,网络中不同位置节点之间的簇内和簇间通信能耗得以互相补偿.DEBUC采用簇间多跳路由,根据节点剩余能量、簇内通信代价和簇间通信代价,每个簇头在邻居簇头集合中运用贪婪算法选择其中继节点.仿真实验结果表明,DEBUC能够有效地节约