3GPP协议37324h00 英文版本.docx
3GPPTS37.324V17.0.0(2023-03)Technica1Specification3rdGenerationPartnershipProject;Technica1SpecificationGroupRadioAccessNetwork;E-UTRAandNR;ServiceDataAdaptationProtoco1(SDAP)specification(Re1ease17)35曾Thepresentdocumenthasbeendeve1opedwithinthe3rdGenerationPartnershipProject(3GPP)andmaybefurthere1aboratedforthepurposesof3GPP.Thepresentdocumenthasnotbeensubjecttoanyapprova1processbythe3GPPOrganizationa1Partnersandsha11notbeimp1emented.ThisSpecif1cationisprovidedforfuturedeve1opmentworkwithin3GPPon1y.TheOrganizationa1Partnersacceptno1iabi1ityforanyuseofthisSpecification.SpecicationsandReportsforimp1ementationof(he3GPPsystemshou1dbeobtainedviaIhe3GPPOrganizationa1Partners'Pub1icationsOffices.3GPPPosta1address3GPPsupportofficeaddress650Routedes1ucio1es-SophiaAntipo1isVa1bonne-FRANCETe1.:+33492944200Fax:+33493654716Internethttpywww.3gpp.orgCOPyrightNOtifiCatiOnNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductionina11media.©2023,3GPPOrganizationa1Partners(ARIB,ATIS,CCSA.ETS1TSDSI,TTA.TTC).A11rightsreserved.UMTSisaTradeMarkofETSIregisteredforthebenefitofitsmembers3GPPisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationa1Partners1TEisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationa1PartnersGSM®andtheGSM1ogoareregisteredandownedbytheGSMAssociationContentsForeword51 Scope62 References63 Definitions,symbo1sandabbreviations63.1 Definitions63.2 Abbreviations6JJ21222.33344.4.4.4.4.4.4.4.J.1.,1.22222.33334555J.1.1.2255.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.66.66666.2.26.2.2.16.2.2.26.2.2.36.2.2.46.2.36.36.3.1IntroductionSDAPstructureSDAPentitiesSen,icesServicesprovidedtoupper1ayers.Servicesexpectedfrom1ower1ayersSDAPprocedures9SDAPentityhand1ing9SDAPentityestab1ishment9SDAPentityre1ease9Datatransfer1()Up1ink1()Down1ink10S1transmission10S1reception11QoSf1owtoDRBmapping11Configuration11Ref1ectivemapping12DRBre1ease12RQIhand1ing12PC5QoSf1owtoS1-DRBmapping12Configuration12S1-DRBre1ease13Protoco1dataunits,formats,andparameters13Protoco1dataunits13DataPDU13Contro1PDU13Formats13Genera113DataPDU13DataPDUwithoutSDAPheader13D1DataPDUwithSDAPheader14U1DataPDUwithSDAPheader14S1DataPDUwithSDAPheaderforunicastofNRside1inkcommunication14End-MarkerContro1PDU15Parameters15Genera11517AnnexA(informative):ChangehistoryForewordThisTechnica1Specificationhasbeenproducedbythe3rdGenerationPartnershipProject(3GPP).ThecontentsofthepresentdocumentaresubjecttocontinuingworkwithintheTSGandmaychangefo11owingforma1TSGapprova1.Shou1dtheTSGmodifythecontentsofthepresentdocument,itwi11bere-re1easedbytheTSGwithanidentifyingchangeofre1easedateandanincreaseinversionnumberasfo11ows:Versionx.y.zwhere:xthefirstdigit:1 presentedtoTSGforinformation;2 presentedtoTSGforapprova1;3 orgreaterindicatesTSGapproveddocumentunderchangecontro1.ytheseconddigitisincrementedfora11changesofsubstance,i.e.technica1enhancements,corrections,updates,etc.Zthethirddigitisincrementedwheneditoria1on1ychangeshavebeenincorporatedinthedocument.1 ScopeThepresentdocumentspecifiestheServiceDataAdaptationProtoco1(SDAP)foraUEwithconnectiontothe5G-CNorforaUEinNRside1inkcommunication.2 ReferencesThefo11owingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.- Referencesareeitherspecific(identifiedbydateofpub1ication,editionnumber,versionnumber,etc.)ornon-specific.- Foraspecificreference,subsequentrevisionsdonotapp1y.- Foranon-specificreference,the1atestversionapp1ies.Inthecaseofareferencetoa3GPPdocument(inc1udingaGSMdocument),anon-specificreferenceimp1icit1yreferstothe1atestversionofthatdocumentinthesameRe1easeasthepresentdocument.1 3GPPTR21.9()5:"Vocabu1aryfor3GPPSpecifications".2 3GPPTS38.300:"NGRadioAccessNetwork;Overa11description1'.3 3GPPTS38.331:"NRRadioResourceContro1(RRC);Protoco1Specification".4 3GPPTS23.501:"SystemArchitectureforthe5GSystem".5 3GPPTS23.287:"Architectureenhancementsfor5GSystem(5GS)toSUPPOrtVehic1e-to-Everything(V2X)services".6 3GPPTS24.587:"Vehic1e-Io-Everything(V2X)servicesin5GSystem(5GS);Stage3".3 Definitions,symbo1sandabbreviations3.1 DefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsgiveninTR21.9051andthefo11owingapp1y.Atermdefinedinthepresentdocumenttakesprecedenceoverthedefinitionofthesameterm,ifany,inTR21.9051.PC5QoSf1owtoS1-DRBmappingru1e:amappingru1edeterminingonwhichS1-DRBpacketsofaPC5QoSf1owsha11becarried.QoSf1owtoDRBmappingru1e:amappingru1edeterminingonwhichDRBpacketsofaQoSf1owsha11becarried.Ref1ectiveQoSf1owtoDRBmapping:aQoSf1owtoDRBmappingschemewhereaUEmonitorstheQoSf1owtoDRBmappingru1eintheD1,andapp1iesittointheU1.NRside1inkcommunication:ASfunctiona1ityenab1ingat1eastV2Xcommunicationasdefin