无线传感器网络可靠通信及其测试床系统研究

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1、天津大学硕士学位论文无线传感器网络可靠通信及其测试床系统研究姓名：周寅申请学位级别：硕士专业：电工理论与新技术指导教师：孙雨耕20070101ABSTRACTThewirelessself-organizedsensornetwork，whichSintegrationofsensortechniques，MEMStechniquesandnetworkcommunicatontechniques，isaninnovativetechniqueofinformationacquisitionanprocessing．Itisanadvancingresearchfieldo

2、fmulti—subjectintersection．Itbringswideapplicationfutureinagoodmanyfields，suchasmilitary,industry,medicaltreatment，transportationandcommercial．Afewachievementshavebeenacquiredintheworldoflateyears，butonsomekeytechniques，therearealsoalotofproblemsinneedofresolution．Thedomesticresearchstillr

3、emainsonbeginningphaseThispaperlucubratedseveralkeytechniquesofwirelesssensornetworks，includingreliablecommunicationinwirelesssensornetworks，thedesignandimplementationoftestbedsimulationalgorithmsandsoftwaresystem．Thispaperintroducesthecharacteristicandinfluencedfactorsofwirelesslinkchalle

4、ngeofreliablecommunication，andthefactorwemustconsiderwhendesigningreliablecommunicationprotocols．Anddiscussthefaturesofsomereliablecommunicationmechanisms．Anddeeplyanalysesomerpresentativereliablecommunicationprotocols．Becauseoftheinstabilityofwirelesslink，inorertoimplementreliablecommunic

5、ation，thepaperdesignsasimpleandeffiientlinkqualityevaluationmechanismbasedonweightedglidewindowstrategy,escribestheprincipleandsimulationmodelindetail，analysestheinfluenceontheevaluationmechanismbyadjustingweight，windowsize，rate．Theevaluationmchanismdon’tneedcomplexoperationandextracommuni

6、cationconsume．Testbedsystemisdesignedtotestthealgorithmsofalnetworklayer，SOthispaperdesignsaenergy-efficientclusteringalgorithmbaedonmaximumweightandminimumdominatingset，describestheclusteringprocessindetail，provesintheorythatclusterheadscanconstituteminimumdominatingset．simulationexperime

7、ntsprovetheeffectivityofthealgorithm．Thesoftwaresystemoftheuppermachineintroduceinthispaperisthehardcoreofthetestbedsystem，mainlyincludingthedsignandimplementationofthreemodules．Topologycontrolmoduleimplementsthesetingandalteringoforiginaltopologyandnodeinform