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1、kX～’^·f<7singledestinationaddress．ThisthesismainlyresearchmulticastroutingprotocolforAdHocnetwork,whichconsidersQoSconstraintsofthegroupofnodes．Fortheservicequalities，Itmainlydealswiththedelay，delayjitter，bandwidthandcostmetrics，anddescribesanetworkmodelforresearchingthemobileAdHocnetworksQ
2、oSmulticastroutingproblem，thenpresentsaQoSbasedMulticastRoutingProtocolinmobileAdHocnetworks(QMRPA)．QMRPAisbasedonthedefinitionoffeasiblelinks，andusestwostepstocompletetheestablishmentofmulticasttree．Firstofall，establishasinglelinkfromthemulticastsoarcetoadestinationnode，whichsatisfiesthemu
3、ltipleQoSconstraints，toconstitutetheinitialmulticasttree．Secondly，otherdestinationnodesjointhemulticasttree．InthecoWSeofeachroutingprocess，eachnodeonlyneedstoknowtheinformationofaajacentnodes，withouthavingtograsptheoverallinformation．ThisimprovestheSUCCESSrateoftheroutingandreducesthecomple
4、xityofthealgorithm．Atthesametime，thethesisgivestheprocessofpruningandmaintenance，anddesignstheroutingbackupmechanism．TheproofofcorrectnessandthecomplexityanalysisoftheQMRPAarealsogiven．ItalsodescribesamulticastroutingprotocolwithmultipleQoSconstraintsinclusteringmobileAdHocnetworks(QMRPA-CL
5、)，whichimprovedonQMRPA．Inthisprotocol，eachintracIusternodeonlyneedstomaintainitscluster’sroutinginformation，andtheeachbridgenodeneedtomaintaintheclusterinandthesummaryinformationofothers鋤．elevelclustersofthishighel"levelcluster．TheQMRPA-CLalsoallowsanyadhocgroupmembercanjoi∥leavethemulticas
6、tgroupdynamically，andsupportsmultipleQoSconstraints．TheperformanceofQMRPAisevaluatedusingsimulation．ThestudiesshowthatQMRPAiseffective．a(chǎn)ndproⅥdesanewsolutiontomulticastmutingdecisionwithmultipleQoSconstraintsfor—TTl一■p；礦mobileadhocnetworks．Keywords：Adhocnetworks；Multicastrouting；QoSmuting'^
7、，●≯～■f／-_吩'．一’●-V^簟◆‘二f工L’I、，、1廣o●東北大學(xué)碩士學(xué)位論文目錄目錄聲明???????????????????????????????．I中文摘要?????????????????????????????IIABSTRACT???????????????????????????III第1章緒論?????????????????二?????11．1課題背景??????????????????????????????11．2AdHoc網(wǎng)絡(luò)特點(diǎn)與應(yīng)用????????????????
