Performance Improvement in LEACH Protocol Based on Cluster Head Selection in WSN

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1、硕士留学生学位论文PerformanceImprovementinLEACHProtocolBasedonClusterHeadSelectioninWSN作者姓名AftabUlNabiElectricalandcomputer学科专业Engineering指导教师LiShanBin(AssociateProfessor)SchoolofAutomationScience所在学院andEngineering论文提交日期2018-7-6PerformanceImprovementinLEACHProtocolBasedonCluster

2、HeadSelectioninWSNADissertationSubmittedfortheDegreeofMasterCandidate：AftabUlNabiSupervisor：LiShanBin(AssociateProfessor)SouthChinaUniversityofTechnologyGuangzhou,China分类号：学校代号：10561学号：201622856313华南理工大学硕士学位论文PerformanceImprovementinLEACHProtocolBasedonClusterHeadSelect

3、ioninWSN作者姓名：AftabUlNabi指导教师姓名、黎善斌副教授申请学位级别：硕士学科专业名称：电气计算机工程研究方向：无线传感器网络论文提交日期：2018年07月06日论文答辩日期：2018年9月12日学位授予单位：华南理工大学学位授予日期：年月日答辩委员会成员：主席：冯颖委员：冯颖黎善斌刘富春刘俊峰IAbstractWirelesssensornetwork(WSN)isanewtechnologyaboutacquiringandprocessinginformation,itincludesthesensortech

4、nology,embeddedtechnology,wirelessnetworkcommunicationtechnology,distributedinformationprocessingtechnology.Atpresent,inordertoadapttodifferentapplicationscenarios,researchersathomeandabroadhavestudiedavarietyofnewroutingprotocols.Differentclassificationofroutingprotoco

5、lsinwirelesssensornetwork,whichaccordingtothewirelesssensornetworktopologystructurepointofview,protocolsaredividedintoflatroutingandhierarchicalroutingprotocols.Thisthesisfocusesonthewirelesssensornetworksystemstructure,keytechnology,applicationprospects,routingprotocol

6、sclassificationandtheperformancecharacteristicsarecomparedandanalyzed,whichthehierarchicalroutingprotocolsLEACH(LowEnergyAdaptiveClusteringHierarchy)weredeeplyanalyzedandimproved.LEACHisaclassicalroutingprotocolforWSNwhichtakestheadaptiveclusteringhierarchicalalgorithm.

7、TheclusterheadofLEACHroutingprotocolisgeneratedrandomly,itdoesn’tconsiderthenodesresidualenergy.Thenumbersofclusterhead(CH)nodesarenotconsideredintheclusteringprocess.Soexcessiveclusterheadsbecausedataredundancyandtoofewnodeshavetoconsumeadditionalenergybecauseofthelong

8、distanceofdatatransmissionandconsequentlyreducedthelifetimeofthewholenetwork.Inthisthesis,intheLEACH(LowEnergy