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1、軟件學(xué)報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?中國科學(xué)院軟件研究所版權(quán)所有.Tel/Fax:+86-10-62562563?能量均衡的無線傳感器網(wǎng)絡(luò)非均勻分簇路由協(xié)議?1+2111蔣暢江,石為人,唐賢倫,王平,向敏1(工業(yè)物聯(lián)網(wǎng)與網(wǎng)絡(luò)化控制教育部重點實驗室(重慶郵電大學(xué)),重
2、慶400065)2(重慶大學(xué)自動化學(xué)院,重慶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:提出了一種能量高效均衡、非均勻分簇和簇間多跳路由有機(jī)結(jié)合的無線傳感器網(wǎng)絡(luò)分布式分簇路由協(xié)議DEBUC(distributedenergy-balancedunequalclusteringroutingprotocol).該協(xié)議采用基于時間的簇頭競爭算法,廣播
8、時間取決于候選簇頭的剩余能量和其鄰居節(jié)點的剩余能量.同時,通過控制不同位置候選簇頭的競爭范圍,使得距離基站較近的簇的幾何尺寸較小.這樣,網(wǎng)絡(luò)中不同位置節(jié)點之間的簇內(nèi)和簇間通信能耗得以互相補(bǔ)償.DEBUC采用簇間多跳路由,根據(jù)節(jié)點剩余能量、簇內(nèi)通信代價和簇間通信代價,每個簇頭在鄰居簇頭集合中運用貪婪算法選擇其中繼節(jié)點.仿真實驗結(jié)果表明,DEBUC能夠有效地節(jié)約
