文档介绍：mercialEricssonABin|confidenceFebruary2016|2017-05-22|/RANinterfaceEPC/NextGenCore(5GC)›eLTEeNB–evolutionofeNBthatsupportsconnectivitytoEPCandNextGenCore›gNBeS1-C,U/N2,N3eS1-C,U/N2,N3eS1-C,U/N2,N3–NRnode›NextGenCore(5GC)–workforNextGenerationgNBeNBeX2SystemNRLTEstandalonestandalone›N2,N3eX2eX2–TheCPandUPinterfacebetweenaG-UTRANE-UTRANgNBandaNextGenCore,respectively›TR(x)PNR/–TransmissionandReceptionPointLTEco-located–Theantennapanel(s)usedbygNBMobilitybetweenNR/mercialinconfidence|2017-05-22|Page25G组网方式和无线网分层都有很多选项4GCore5GCoreDifferentdeploymentoptionSA,NSARANinterworkingDifferentSplitoptions4GRAN(DC,SUL)5GRANCU,DUsplit,V-mercialinconfidence|2017-05-22|Page3为什么需要无线网分层和虚拟化?›满足业务需求和提高灵活性Spectrum–5G三大应用场景:EnhancedMBB,MassiveIoT,CriticalMTC–Deploymentflexibility–LargelySWdefined,flexibilityandagilityEnergySoftware–SupportnewbusinessmodelsRANcostperHardware–ReducedTCOsubscriberSiteandyear›利用新技术–NewradiobearersandAAS–MachinelearningandAITransportStaff(Manhours)–mercialinconfidence|2017-05-22|Page44G/5G无线网内部逻辑架构RANdomainMgmt&OSSSONMgmt&AnalytiSysArecsMgmt&Mgmt&aAnalytiAnalytiHandlincsMgmt&csgTNAnalytiInterwocsrkDeviceRadio&BFFL1FastU-FastS-AntennasUEcontrolControlRRMRRMHandlinfunctionsgMMEFrameS1-handlingMMEBFFL1MACRLCFunctionRadio&AntennasMgmt&AnalyticsMultipathPDCPS1-USGWhandlingTN,RevSDN目前的无线网架构Base-bandfunctionsMgmt&OSSSONRadioMgmt&AnalyticsSysAreafunctionsMgmt&Mgmt&HandlingAnalyticsAnalyticsMgmt&TNAnalyticsInterworkBFFFastU-FastS-Radio&FFrameS1-handlingMMEDevicefunctionsDeviceRadio&BFFL1MACRLCAntennasFunctionMgmt&AnalyticsRRUBBUMultipathPDCPS1-UhandlingUPFTN,RevSDN无线网逻辑架构–UserdataflowMgmt&OSSSONCarrieraggregationMgmt&BeamI/QdataAnalyticssplitpointSysAreaMgmt&Mgmt&biningMgmt&TNAnalyticsInterworkBFFFastU-FastS-Radio&FFrameS1-handlingMMEDevicefunctionsDeviceRadio&BFFL1MACRLCAntennasFunctionMgmt&AnalyticsAntennastreamI/biningRadio&BFFL1MACRLCPDCPS1-UUPFAntennasFunctionhandlingDualconnectivityCiphering/localsplitpointTN,RevbreakoutpointSDN无线网逻辑架构–THEHARQLOOPHARQloop:-UE和无线