tr25824 v1.0.0

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1、3GPPTR25.824V1.0.0(2008-05)TechnicalReport3rdGenerationPartnershipProject;TechnicalSpecificationGroupRadioAccessNetwork;ScopeofHSPAEvolutionfor1.28McpsTDD(Release8)Thepresentdocumenthasbeendevelopedwithinthe3rdGenerationPartnershipProject(3GPPTM)andmaybefurtherelaboratedforthepurposesof3GPP.Thep

2、resentdocumenthasnotbeensubjecttoanyapprovalprocessbythe3GPPOrganizationalPartnersandshallnotbeimplemented.ThisSpecificationisprovidedforfuturedevelopmentworkwithin3GPPonly.TheOrganizationalPartnersacceptnoliabilityforanyuseofthisSpecification.Specificationsandreportsforimplementationofthe3GPPTM

3、systemshouldbeobtainedviathe3GPPOrganizationalPartners'PublicationsOffices.3GPPTR25.824V1.0.0(2008-05)25Error!Notextofspecifiedstyleindocument.KeywordsSelectkeywordsfromlistprovidedinspecsdatabase.3GPPPostaladdress3GPPsupportofficeaddress650RoutedesLucioles-SophiaAntipolisValb

4、onne-FRANCETel.:+33492944200Fax:+33493654716Internethttp://www.3gpp.orgCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©2007,3GPPOrganizationalPartners(ARIB,ATIS,CCSA,ETSI,TTA,TTC).Allrightsreser

5、ved.3GPP3GPPTR25.824V1.0.0(2008-05)25Error!Notextofspecifiedstyleindocument.ContentsForeword51Scope62References63Definitions,symbolsandabbreviations63.1Definitions63.2Symbols63.3Abbreviations74Introduction75Objectives76ConstraintsandRequirements87ElementsofStudy88Release7TechnicalPerformance89Te

6、chnicalProposalsandAssessment89.1Architecture89.2ContinuousPacketConnectivity89.2.1Motivation89.2.2AnalysisofHSDPA/E-DCHandthescopeofCPCfor1.28McpsTDD89.3EnhancedCELL_FACHState99.4Layer2Enhancements109.5Downlink64QAMModulation109.4.1Link-levelstudyof64QAMindownlink109.4.2System-levelstudyof64QAM

7、indownlink169.4.2.1IndoorMicro-CellScenario169.4.2.2OutdoorMacro-CellScenario189.4.2.3OutdoorMicro-CellScenario199.4.3Scopeof64QAMinHSPAEvolutionfor1.28McpsTDD209.6MIMO209.6.1Simulationassumptions209.6.2Two-antennacase229.6.