LTE物理层综合介绍.ppt

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1、AComprehensiveAnalysisOfLTEPhysicalLayerMasterofScienceThesisFahimehRezaeiSupervisor:Dr.HamidSharif-Kashani,Dr.MichaelHempelDepartmentofComputerandElectronicsEngineeringUniversityofNebraska-LincolnDecember,1st2010OutlineBackgroundLTEGeneralArchitectureThesisObjectiveandMotivationLiteratureReviewLT

2、EPhysicalLayerCharacteristicsPerformanceStudyApproachSimulationResultsandAnalysisSummaryandConclusionBackgroundLTEGeneralArchitectureThesisObjectiveandMotivationLiteratureReviewLTEPhysicalLayerCharacteristicsPerformanceStudyApproachSimulationResultsandAnalysisSummaryandConclusionBackgroundSta

3、ndarddevelopers:3GPP,IEEE,and3GPP23rdGenerationStandards:LongTermEvolution(LTERelease8)802.16e(WiMAX),802.16mUMB4thGenerationstandardsSatisfyIMT-AdvancedRequirements:100Mbpsinhighmobility(300km/h)and1Gbpsinlowmobility(3km/h),lessthan5msDataLatency,…LTERelease8GeneralFeaturesPacketSwitchedNetworkOFD

4、MinDownlinkandSC-FDMAinUplinkDuplexSchemes:TDDandFDDAdoptiveModulationandCodingscheme(QPSK,16-QAM,64-QAM)MultipleAntennaTechniquesTransmitDiversitySingleUserMIMOMultiUserMIMOClose-Looprank1precodingdedicatedbeamformingSystemBandwidthfrom1.4MHzto20MHz(1.4,3,5,10,15,20)BackgroundLTEGeneralArchitectur

5、eThesisObjectiveandMotivationLiteratureReviewLTEPhysicalLayerCharacteristicsPerformanceStudyApproachSimulationResultsandAnalysisSummaryandConclusionGeneralArchitectureLongTermEvolutionassociatedwithradioaccesstechnologySystemArchitectureEvolution(SAE)associatedwiththecorenetworkLTEarchitecture

6、-EPS:E-UTRAN(EUTRANode)->LTEEPC(EvolvedPacketCore)->SAEUserPlaneandControlPlaneProtocolStacksBackgroundLTEGeneralArchitectureThesisObjectiveandMotivationLiteratureReviewLTEPhysicalLayerCharacteristicsPerformanceStudyApproachSimulationResultsandAnalysisSummaryandConclusionThesisObjectiveandMotiv

7、ationsArethesevaluesaccurateorevencorrect?Istherightapproachusedforgettingproposedvaluesandresults?Inwhichconditionsandscenariospresentedvaluesandresultsarevalid?ThesisObjectiveandMotivations,cnt.Providethe