基于自组网AODV路由协议的多路和QOS算法

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1、上海交通大学硕士学位论文基于自组网AODV路由协议的多路和QoS算法姓名：吴晗星申请学位级别：硕士专业：计算机应用指导教师：付宇卓20060101了扩展根据业务的QoS条件利用网络的可用资源在自组网中分布式的建立满足QoS参数如带宽延迟等的路由关键词自组网AODV多路路由QoSABSTRACTWirelessnetworkwasbecomingmoreandmoreimportantinthefieldofcommunicationsciencesince1970s.Itcanbecategorizedintotwotypesaccordingtothetopology:oneisce

2、nter-controllednetworksuchasWirelessLocalAreaNetwork;theotherisself-organizedwirelessnetworksuchasAdHocnetwork.AsoneoftheimportanttechnologyofAdHocnetwork,wirelesscommunicationtechnologyisnotsatisfiedwiththebeginningvoicecommunication,butwithdataandmultimediacommunicationasitsmainbusiness.AdHocn

3、etworkismainlyusedinmilitaryandcatastrophicfield,whichrequiresbetterrobusnessandreliability,thereforerequiresahigherroutingtechnology.InordertosuittheuniqueapplicationenvironmentmuchbetterandsatisfythemoreandmorerequirementofreliabilityandQoSofAdHocnetwork,thispapertakesafurtherresearchoftherout

4、ingtechnologyofAdHocnetwork.BasedonthecomprehensivecomparisonofvariousroutingprotocolofAdHocnetwork,thispaperfocusesontheAODVprotocolandcarriesontheresearchworkasfollows.Theunpredictabilityoftheenvironment,thereliabilityofthewirelessmedium,andthemobilityofnodescancausenumeroustypesoffaultstooccu

5、r.Multi-pathroutingcanbeusedtoimprovereliability.InmanyAdHocnetworkapplications,thephysicalseparationbetweenpathscanimprovefaulttolerance.Insuchacatastrophicenvironment,aeventwipesoutallnodesinacertainarea,havingroutesthatarephysicallyseparatedreducesthechancesthatallrouteswillfail.Fromthispersp

6、ective,thispaperprovidesanAODVbasedmulti-pathroutingalgorithmtofindpathswithlowercorrelation.Withthedevelopingofwirelesscommunicationbusiness,moreandmoreapplicationsrequireQoSinAdHocnetwork.Fortherelativelylowbandwidthandlimitedmemoryandresourceofmobilenodes,itisreallyadifficultyandsoahotspotofh

7、owtousethesevaluableresourceeffectivelysoastoensurethequalityofserviceformultimediabusiness.ThispaperextendstheAODVprotocolsoastoprovideQoSservice.AQoSalgorithmisdesignedwhichonlyfindpathsthatstratifytheQoSparameters(suchasb