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1、AbstractAlongwiththefastdevelopmentofcontemporarywirelessmobilecommunica--tiontechnology,thedemandforhigh-speedalsoshowedrapidgrowth.The3GPPproposedthelongtermevolutionproject—LTEin2004.Comparedwithtraditionalcommunicationnetworks,thehigh-speed,highthroughputandcomp
2、atibilityhavegivenLTEadecidedadvantage.Thekeytechnologiesofspecialphysicalframestructure,SC-FDMA,AMChavebeenintroducedinLTEwhichhaveimprovedthesystemperformance.Meanwhile,thelargescaleintroductionofnewtechnologieshavepresentednewchallengestothedesignandimplementatio
3、nofuplinkschedulingsystemsofmediaaccesslayer.Therefore,thestudyoftheuplinkresourceschedulinginLTEsystemhasanextremelyimportantsignificance.Inthispaper,theTD-LTEfemtocellsystemsofICTprojecthasbeenregardedasthebackground.Andtheuplinkschedulingprocessanduplinkschedulin
4、gmechanismhavebeenanalyzedindetail.Anewuplinkschedulingalgorithmhavebeenputupbasedonthetraditionalalgorithm.AccordingtostandardLTEprotocolsandregulationsof3GPP,threecriticalfactorsthatinfluencethedecision-makinguplinkresourceschedulinghavebeenpresentedinthispaper,na
5、melythecontinuityofallocationofresources,userchannelquality,qualityofservicesrequirements.Inaddition,thenewuplinkschedulingalgorithmhasproposedthenewmechanismtoclassifyandsortforusersbybusiness’priorityandPFalgorithmwhichhascombinedusers’fairnessandqualityofservices
6、perfectly.What’smore,thenewuplinkresourceschedulingalgorithmselectedthebesttransmissionresourcesforusersbyusingtheusers’channelqualitywhichhasimprovedthetransmissionqualityofusers.Finally,thenewuplinkschedulingsystemhasbeenprogammedintheuplinkschedulingmoduleofactua
7、lprojectandverifiedinthehardwareandsoftwareplatformoftheproject.Theexperimentalresultsshowthat,thenewuplinkschedulingsystemhavemanyimprovementsintheresourceallocation,schedulingtime,andthesystemthroughputthantraditionalschedulingsystem.Keywords:LTE,UplinkScheduling,
8、QoSofservices,ResourceAllocationII万方数据目录摘要................................................................................................