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1、XXXX学院毕业设计（论文）外文参考文献译文本2012届原文出处ANovelCross-layerQuality-of-serviceModelForMobileADhocNetwork毕业设计(论文)题目基于COMNETIII的局域网的规划与设计院（系）电气与电子信息学院专业名称电子信息工程学生姓名学生学号指导教师ANovelCross-layerQuality-of-serviceModelForMobileADhocNetworkLeichunWang,ShihongChen,KunXiao,Ruim
2、inHuNationalEngineeringResearchCenterofMultimediaSoftware,WuhanUniversityWuhan,Hubei,chinaEmail:wlc@163.comAbstract:Thedivided-layerprotocolarchitectureforMobileadhocNetworks(simplyMANETs)canonlyprovidepartialstack.ThisleadstotreatdifficultiesinQoSguarante
3、eofmultimediainformationtransmissioninMANETs,thispaperproposesAcross-layersQoSModelforMANETs,CQMM.InCQMM,acorecomponentwasaddednetworkstatusrepository(NSR),whichwasthecenterofinformationexchangeandshareamongdifferentprotocollayersinthestack.Atthesametime,C
4、QMMcarriedoutallkindsofunifiedQoScontrols.ItisadvantageousthatCQMMavoidsredundancyfunctionsamongthedifferentprotocollayersinthestackandperformseffectiveQoScontrolsandoverallimprovementsonthenetworkperformances.Keyword:Cross-layersQoSModel,MobileAdhocNetwor
5、ks(MANETs),NetworkStatusRepository(NSR),QoSControls.1introductionWiththerapiddevelopmentofmultimediatechnologiesandthegreatincreaseofhisbandwidthforpersonalcommunication,videoandvideoservicesbegintobedeployedinMANETs.DifferentfromstaticnetworksandInternet,
6、multimediacommunicationsinMANETssuchasVoiceandVideoservicesrequirestrictQoSguarantee,especiallythedelayguarantee.Inaddition,communicationamongdifferentuserscanbeintegratedserviceswithdifferentQoSrequirements.TheseleadtogreatchallengesinQoSguaranteeofmultim
7、ediacommunicationinMANETs.Therearetwomainreasonsinthese:1)MANETsrunsinatypicalwirelessenvironmentwithtime-varyingandunreliablephysicallink,broadcastchannel,anddynamicandlimitedbandwidthandsoforth.Therefore,itcanonlyprovidelimitedcapabilityfordifferentiated
8、serviceswithstrictQoSrequirements[1].2)Itisdifficultthattraditionalflowprojectandaccesscontrolmechanismareimplementedbecauseofmobility,multiplehopsandself-organizationofMANETs.Atpresent,mostresearchesonQoSbas
