IMT-A3GPP1214933次会CoMP专题讨论组工作汇报.ppt

November19,2019,2012.5HuaweiTech.Ltd.,CoMP专题讨论组工作汇报,3GPPCoMPWI进展汇报（DL）,SizeofCoMPmeasurementsetforper-CSI-RS-resourceCSIfeedbackAgreement:ThemaximumsizeoftheCoMPmeasurementsetisFFSbetween2and3CSI-RSresourcestobedecidedatRAN1#69.ThisagreementisindependentofdiscussiononIMRs.Needforinter-CSI-RS-resourcefeedbackConclusion:Inter-CSI-RS-resourcephaseindicatorfeedbackisnotsupportedinRel-11.,3GPPCoMPWI进展汇报（DL）,InterferencemeasurementAgreement:AtleastoneInterferenceMeasurementResource(IMR)canbeconfiguredforaRel-11UEFFSwhetheramaximumofonlyoneormultipleIMRscanbeconfiguredforaRel-11UEEachIMRconsistsofonlyREswhichcanbeconfiguredasRel-10CSI-RSresourcesFFSwhetherREsofanIMRareallowedtobeconfiguredasnon-zero-powerCSI-RSresourcesFFSwhetheranIMRcanhavefinergranularitythan4REs/PRBRevisitFFSsonRAN1#69.,3GPPCoMPWI进展汇报（DL）,CoMPMeasurementsCoMPResourceManagementSet:ThesetofCSI-RSresourcesforwhichCSI-RSbasedreceivedsignalmeasurementscanbemadeandreported.ThesereceivedsignalmeasurementscanbeusedtoconfiguretheCoMPMeasurementSet.Notethatothermeasurements,suchasmobilitymeasurementsorSRS,canalsobeusedtoconfiguretheCoMPMeasurementSet.NotethatthisisindependentofexistingmobilitymeasurementsandproceduresHowthenetworkdecideswhichCSI-RSresourcestoincludeintheCoMPResourceManagementSetisuptonetworkimplementation.ThesetofCSI-RSresourcesintheCoMPResourceManagementsetandthesetofCSI-RSresourcesintheCoMPmeasurementsetcanbeindependent.TheCSI-RSbasedreceivedsignalqualitymeasurementwouldatleastbeCSI-RSRSRPLStoRAN2(R1-121912,ccRAN3/4)informingthemofthenaminganddefinitionoftheCoMPManagementSetfortheStage2spec,andthattheso-calledRRMMeasurementSetdefinitioninTR36.819canbedisregarded,3GPPCoMPWI进展汇报（DL）,CoMPResourceManagementSetOpenissuesMaximumsizeoftheCoMPResourceManagementSetHowmanyantennaportsareusedfortheCSI-RSRSRPmeasurementWhethertosupportRSRQ-typeCSI-RSbasedmeasurementBandwidthfortheCSI-RSRSRPmeasurementusesystembandwidthorCSI-RSBWifconfiguredseparatelyordonotspecifyinRAN1specsDetailedwordingofCSI-RSRSRPmeasurementdefinition,3GPPCoMPWI进展汇报（DL）,RemainingissuesforDownlinkreferencesignalsforCoMPWorkingassumption:FortheDMRSsequenceinitializationTwocandidatevaluesofXareconfigured:x(0)andx(1)nSCIDisreusedfordynamicselectionofx(0)orx(1)onlyforrank1and2NotethatnSCIDequalsto0fortheranklargerthan2FurtherstudyisnotprecludedfortheoptimizationforthehigherrankFurtherstudyisnotprecludedforthedynamicselectionofx(0)orx(1)Furtherstudyisnotprecludedforthedynamicswitchingorsemi-staticswitchingofsubframeoffset(ns),3GPPCoMPWI进展汇报（DL）,Agreement:Configurationofmultiplenon-zero-powerCSI-RSresourcesincludesatleast:AntennaPortsCountResourceConfigSubframeConfigPcParameterXtoderivescramblinginitializationTheseparametersareconfiguredperCSI-RSresourceConclusion:FFSwhethersomeparameterscanbeconfiguredperCSI-RSportconsideringthedecisionofsupportingcoherentjointtransmissionbytheaggregatedCSIfeedbackcorrespondingtomultipleTPsinoneCSI-RSresourceFFS:UEspecificRRCsignallingforCSI-RSrestrictionisconfigurableperCSI-RSresourceFFS:SignalingofthebandwidthinformationforCSI-RS,3GPPCoMPWI进展汇报（UL）,WorkingassumptiononPUSCHDMRSAlt3:ARRCconfigurationincludesthefollowingRRCdefinedUEspecificparameters,VCID,cinitCSH.VCID(virtualcellID)isusedtoderivebasesequencecinitCSHsubstitutescinitintheCSH(cyclicshithopping)initializationofnPN(nS)CouldberevisitedaftercheckingifAlt3supportsthefourcasesinthetable,therangeofthecinitCSHthatneedstobesignaled,andotherrelevantaspects.NoconclusionondynamicsignalingofVCIDandcinitCSH,3GPPCoMPWI进展汇报（UL）,Workingassumptiononuplinkcontrolsignaling(PUCCH)Inadditiontotheexistingmechanism,aUEcansupportthegenerationofaPUCCHbasesequenceandacyclicshifthoppingbyreplacingthephysicalcellIDNIDcellwithaUE-specificallyconfiguredparameterX.FFSifdifferentPUCCHformatsshareacommonX,orhavedifferentXvaluesFFSrelationshipwithUE-specificconfigurationofotherRS(e.g.,PUSCHDMRS)CompaniesareencouragedtoinvestigateinmechanismstoprovideseparateregionsforA/Nsassociatedwithdifferentbasesequences.Furtherconsidertheap