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1、AbstractWiththerapiddevelopmentofmobileInternetandthepopularityofintelligentterminals,itinspiredtheurgentdesireofthepeopleofwirelesstransmissionrate.Meanwhile,astherepresentativeof2Gand3Gmobilecommunicationsystemcannotmeetuserofthedataraterequirements,moreandmorepe
2、ople'sattentionhavebeenboughttotheLTE/LTE-Advancedasthenextgenerationstandardfor4Gmobilecommunicationstechnology.Inordertoachievehighertransmissionratetomeetthetrafficneedsofusers,howtoimprovetheutilizationofresourcesinalimitedradioresourcessystem,namelyhowtodesign
3、aneffectiveschedulingstrategyforefficientmanagementofradioresourceshasbecomeoneresearchpointsinLTE/LTE-Asystem.ThisthesisbasedontheLTERelease9version,onthebasisofin-depthresearchonTS36.321protocol,andmainlystudybasedonQoSofuplinktimedomainschedulingalgorithmandfreq
4、uencydomainresourceallocationalgorithminLTE/LTE-Asystem.Themainworkisasfollows:（1）Thisthesismainlybasedonsystem-levelsimulationplatformofFireHomeHongxincommunicationtechnologyco.,LTD,anddetailedstudyofeachfunctionmodule,suchassendingandreceivingprocessingandthewhol
5、esystemprocesses.FocusesonalgorithmsofMAClayerfunctionalentity,andbuildtheuplinktimedomainscheduling(TDS)andfrequencydomainresourceallocationfunctiononthebasisofexistingplatform.Finallybaseonthesimulationplatformtoverifyimprovedalgorithmsandperformancesimulation.（2
6、）ThisthesisstudyandcomparativeanalyzedtimedomainschedulingalgorithmsoftheLTE/LTE-Auplink,Onthebasisofthecurrentproportionalfairnessschedulingalgorithms,accordingtothedifferentQoSrequirementsofdifferenttypesoftrafficsandtoprovideuserswithdifferentservicedemand,Thist
7、hesishadproposeduplinktime-domainproportionalfairnessschedulingalgorithmofQoSprovision.IntroducingtheQoSweightingfactorandthecachedataofthetraffictooptimizetheschedulingprioritycalculationformula,andusethetokenbucketfortrafficmonitoringservicesflow.Finally,comparin
8、gtheperformanceofimprovedIII万方数据algorithmandothersbysimulation,thesimulationresultsshowthattheimprovedalgorithmforpackettimedelayanduserschedulin
