移動無線傳感器網(wǎng)絡(luò)路由協(xié)議的分析

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1、AbstractWirelesssensornetwork(WSN)isconstitutedbyalargenumberofsensornodesdistributedintheregionbythewayofselforganization,andtheenvironmentinformationcollectedbythesensornodesaretransmittedtothesinknodesbythewayofmulti-hop,thenthesinknodestransmitdatatotheusers.Previously

2、nodesarestationaryinWSN.Inrecentyears,withthediversitydevelopmentofWSNapplications,nodesneedtohavetheabilitytomoveinsomeapplicationscenarios,suchasbattlefieldreconnaissance,forestpatrol,medicalcare,andsoon.InWSN,sinknodeshavingtheabilitytomovenotonlyenrichtheWSNapplication

3、scenarios,butakoprovideaneffectivewaytosolvetheenergybottleneckproblemofthesensornodesaroundsink,thusextendingthelifecyclefortheenergy-constrainednetwork.HierarchicalroutingprotocolTTDD(Two-TierDataDissemination)proposedasolutionformobilityproblemswhichhasbeenwidelyrecogni

4、zedbyresearchers,andthecoreideaistobuildavirtualgridstructureinthewholenetworkandsettwoagentsformobileSinknodes.Basedonin-depthstudyingTTDDprotocol,thispaperproposesanimprovedroutingprotocolI-TTDDfocusingonthedeficienciesoflargeoverheadonbuildingandmaintaininggridstructure

5、andsimplescenarios?Themainideaoftheimprovedprotocolistobuildamultiplexedgridstructurewithclusteringalgorithm,whichmadeenergyconsumptionreduced,whiletheimprovedprotocolsupportsnetworkswithdifferentprioritydatatypes,supportsforquery-drivendatacommunicationmodel,andenrichesth

6、eapplicationscenarios?ExperimentsoftworoutingprotocolsofI-TTDDandTTDDareconductedintheNS2simulationenvironment,andverifiedthattheadvancedofI-TTDD?Finally,basedonthesummarydescription,thelackofdirectionandimprovementofexistingworkareillustrated.Keywords：WirelessSensorNetwor

7、k,Mobility,RoutingProtocol目錄第一章緒論11.1研究背景11.2國內(nèi)夕卜研究現(xiàn)狀21.3論文結(jié)構(gòu)4第二章無線傳感器網(wǎng)絡(luò)路由協(xié)議研究52.1網(wǎng)絡(luò)特點以及對路由協(xié)議設(shè)計的影響52.2路由協(xié)議的尖鍵問題分析62.3路由協(xié)議分類72.4典型路由協(xié)議介紹82.4.1以數(shù)據(jù)為中心的路由協(xié)議82.4.2層次路由協(xié)議112.4.3利用地理位置信息的路由協(xié)議132.4.4提供QoS保證的路由協(xié)議142.5本章小結(jié)15第三章基于移動Sink的路由協(xié)議研究163.1移動性的提出163.2TTDD路由協(xié)議研究163.2.1網(wǎng)格構(gòu)建173.

8、2.2節(jié)點代理183.2.3路徑建立193.2.4網(wǎng)格維護203.3其他基于移動sink的路由協(xié)議203.4本章小結(jié)22第四章改進型TTDD路由協(xié)議研究244.1改進型TTDD路