5G关键技术测试

1ChannelEmulationandTestsolutionfor5GKeyTechologies2017.06马楠BeijingStarpointTechnologyCompanyLimited25GKeyTechandScenariosWideAreaNetwork•MassiveMIMO•AdvancedMultipleAccess•AMCM2M•AdvancedMultipleAccess•Filter-MC•AMC•D2DUltra-reliableandLowLatency•ShortFrameDesign•V2X•AMC•NetworkandSignalingOptimizationHotsoptCoverage•UDN•MassiveMIMO•AdvancedMultipleAccess•mmWave•InterferenceSuppressionandCanceling•C/Udecoupling33Defficultiesin5GTestpHigh-speedsysteminterconnectedmannerpExtensivesignalprocessingresourcespmmWave,3D-MIMO,MassiveMIMOpMuchmoreapplicationScenariospWidefreq.rangeandLargeBWpReducethevolumewithoutdegrationpNewnetworkarchitecturepNew-typeairinterfacepEnhancedantennatecnology12344SystemPlatformArchitecturepX86Controller(CXU)Ø16x10GbpsSFP+,supportmulti-protocolØClock,TriggergroupinterfaceØSystemmanagementandrouteingpBackplaneUpto500GbpsexchangecapbilityØ5SlotsforeitherBBorRFBoardsØGTX,PCIe,SRIOFrontviewBackviewpSystemPlatformpDistributedandHS-exchangeArchitecture5HighBalancedCapacitySPUBoardpUpto7X/35XMACSpPowerfulFLOPSpThroughoutincrease9X/13XpInterconnectrateincrease4X/10X6HighparallelprocessingCapacityCEUBoardpUpto3.5X/17.5XMACSpPowerfulFLOPSpThroughoutincrease13X/9XpInterconnectrateincrease10X/4X7HighdensityRFUBoardpIntegrated4independentRFTx&Rxchannelsina322.255mm*285mm*30.48mmspacepEachchannelsupports200M~6GHzfrequencyrangeand160MHzBandwidthpGet20RFTx&RxchannelsinafullracksystemplatformboxpRFUanditsAnalogic-linksectionareEasytomaintainandupgradewithmodulardesign8p5GemployedMassiveMIMOasanEnhanceantennatechnologyWhyMassiveMIMO？pBenfitsofMassiveMIMOØMassiveMIMOcanincreasethecapacity10Xormoreandsimultaneouslyimprovetheradiatedenergyefficiencyabout100XØMassiveMIMOsimplifiesthemultipleaccesslayerandmakesasignificantreductionoflatencyontheairinterfaceØMassiveMIMOincreasestherobustnessagainstbothunintendedman-madeinterferenceandintentionaljammingMassiveMIMOcapcityboost9pChallenges:newcharacteristicsforMassiveMIMOChannelModellingThree-dimension(3D)Sphericalwavefrontassumption,1,1,2,2,,,,,,,dfβNon-stationarypropertiesofclustersplanewave-frontsphericalwave-frontDefficultiesinChannelmodellingofMassiveMIMO10AnewChannelmodelformassiveMIMOpAnon-stationarychannelmodelfor5GmassiveMIMOsystemsØItincorporatesthesphericalwave-frontassumptionandnon-stationarypropertiesofclustersonboththearrayandtimeaxes.ØAnovelvisibilityregionmethodisproposedtocapturethenon-stationarypropertiesofclustersatthereceiverside,andcombinedwiththebirth-deathprocess,anovelclusterevolutionalgorithmisproposed.ØCorrespondingtothetheoreticalmodel,asimulationmodelwithafinitenumberofraysthatcaptureschannelcharacteristicsasaccuratelyaspossibleisproposed.AbsolutereceiverspaceCCFintermsofadjacentreceiveantennasAbsolutetemporalACFofCluster1intermsofdifferenttimeAbsolutereceiverspatialCCFintermsofthenumberofraysatthereceiverside.AbsolutereceivertemporalACFintermsofthenumberofrayswithinthecluster11base-stationsimulatorterminalperformancetestdevicenetworkanechoicchamberchannelsimulatorrealradiopropagationsimulationTestMethodforMassiveMIMOpMulti-ProbeAnechoicChamber（MPAC）MIMOOTA12▶AsignificantlylargertestareamightberequiredformassiveMIMOsystems▶Low-complexitychannelmodelishighlydesirableformassiveMIMOBSevaluation▶TheMPACsetupsforchannelemulationofmassiveMIMOsystemsChallenge▶Thesetupcomplexityassociatedwithhighnumberofcableconnections▶Accordingtoanindustrialview,futureintegratedBSunitsareforeseennottosupportforanyradiofrequency(RF)cableconnectionsfortestpurposesProblemOTAtestingmethodsTestMethodforMassiveMIMOpProblem&ChanllengeofMIMO-OTAmethodformassiveMIMOMPACChannelEmulator13TestMethodforMassiveMIMOThesetupshasthepotentialtocutcostsviareducingtheanechoicchamberdimensionandthenumberrequiredofprobeantennas(soastheportsofchannelemulators)andtherelativehardwareresourcesBenefitsChannelemulationformassiveMIMOsystemsTheUEsarelocatedattheanechoicchamberAuniformconfigurationoftheOTAprobesareoftenadoptedOTAtestingofUEsThetestareaiscenteredinuniformconfigurationsandthedistancebetweenOTAantennasandtheDUTistheradiusofthechamberTheBScanbeplacedfartherawayfromtheOTAantennastoutilizethediameterofthechamber,asillustratedinFigureOTAtestingofmassiveMIMOBSThemassiveMIMOBSislocatedatanechoicchamberAsectorizedprobeconfigurationhasadopted14TestSolutionfor5GSP8510SystemSimulatorpSystemcomponents:CXU+SPU+RFpVerificationplatformfor5Gtechnologyincludingnewwaveforms,channelcoding,newframetypeetc.pSupportMassiveMIMOtest,suchasdealingwith128signalstreamspSufficientcapabilityformulti5GUEssimulationVerificationofF-OFDM&256QAMusingSP8510+SP9010(RFSection)15TestSolutionfor5GpSP8510DeeplyinvolvedintheIMT-20205GnewTechnologyR&Dvalidation16TestSolutionfor5GSPC5ChannelEmulatorpSystemcomponents:CXU+CEU+RFUpCEU:Unidirectional4x4MIMOandtotal192paths@160MHzprocessingcapacityforOneBoardpRFandBasebandinterfaceinoneBoxpFlexiblebuildingyoursystemØHybridSystemØCES+RFSpVariousChannelModelingØTDL、GCMØMIMO-OTAØ802.11TGn/acØASOHybridSystemRFSystemChannelEmulationSystemRFSystemChannelEmul