TrackA1-R_S_ArndSibila_LTE_LTE-Atechnology_VoLTE

LTE/LTE-AdvancedTechnology(CA,MIMOenhancements,HetNets)/VoiceEvolutionandVoLTETechnologyWeekTaiwanNovember13th,14th,2013ArndSibila(Dipl.-Ing.)[e-mail]nager,Rohde&Schwarz,GermanyOctober2013,ArndSibila,TechnologyMarketingManagerContent–(LTE/LTE-Atechnology/VoiceEvolution)ıLTEMarketUpdateıLTE-RefreshShortoverviewDevicecategoriesFDD/TDDLTE3GPPRel.9updatesıLTE-AdvancedKeyconcepts/featuresofLTE-Advanced(3GPPRel.10)andspecifictestchallengesCarrierAggregationMIMOenhancementsHeterogeneousNetworksıOutlook-3GPPRel11CooperativeMultipoint(postponedtoRel.11)Relaying(postponedtoRel.11)E-PDCCHıVoiceEvolutioninLTEdeploymentsCircuitSwitchedFallBack(CSFB)SingleRadioVoiceCallContinuity(SRVCC)VoiceoverLTE(VoLTE)2October2013,ArndSibila,TechnologyMarketingManagerGlobalLTEdeployment2009–2013(forecast)3ı222LTEnetworksarelaunchedı23TD-LTEnetworksOctober2013,ArndSibila,TechnologyMarketingManagerCommercialdeployments(StatusOctober2013)AtrulyglobaltechnologycoveringbothFDDandTDDmodes222LTEnetworksarelaunched43%ofLTEnetworkshavedeployed1800MHz4•GSAre-affirmsLTEasthefastestdevelopingmobilesystemtechnologyever•126.1millionLTEsubscriber(Q2/2013);98millionaddedlastyearOctober2013,ArndSibila,TechnologyMarketingManagerTheLTEeco-systemisestablishedLTEDevicesı1240LTEdevices=680morethanoneyearagoı87Cat4UEsı2Cat6UEsı274TD-LTEuserdevices5October2013,ArndSibila,TechnologyMarketingManager627443Update:November7thOctober2013,ArndSibila,TechnologyMarketingManagerContent–(LTErefresh+LTE-Advanced/VoiceEvolution)ıLTEMarketUpdateıLTE-RefreshShortoverviewDevicecategoriesFDD/TDDLTE3GPPRel.9updatesıLTE-AdvancedKeyconcepts/featuresofLTE-Advanced(3GPPRel.10)andspecifictestchallengesCarrierAggregationMIMOenhancementsHeterogeneousNetworksıOutlook-3GPPRel11CooperativeMultipoint(postponedtoRel.11)Relaying(postponedtoRel.11)E-PDCCHıVoiceEvolutioninLTEdeploymentsCircuitSwitchedFallBack(CSFB)SingleRadioVoiceCallContinuity(SRVCC)VoiceoverLTE(VoLTE)7October2013,ArndSibila,TechnologyMarketingManagerLTEKeyParameter(3GPPRel.8)FrequencyRangeHugevarietyoffrequencybandsdefinedby3GPP(from700MHzto3.8GHz)Channelbandwidth1ResourceBlock(RB)=180kHz1.4MHz3MHz5MHz10MHz15MHz20MHz6RB15RB25RB50RB75RB100RBModulationSchemesDownlinkQPSK,16QAM,64QAMUplinkQPSK,16QAM,64QAM(optionalforhandset)MultipleAccessDownlinkOFDMA(OrthogonalFrequencyDivisionMultipleAccess)UplinkSC-FDMA(SingleCarrierFrequencyDivisionMultipleAccess)MIMOtechnologyDownlinkWidechoiceofMIMOconfigurationoptionsfortransmitdiversity,spatialmultiplexing,andcyclicdelaydiversity(max.4antennasatbasestationandhandset)UplinkMulti-usercollaborativeMIMOPeakDataRateDownlink150Mbps(UEcategory4,2x2MIMO,20MHz)300Mbps(UEcategory5,4x4MIMO,20MHz)Uplink75Mbps(20MHz)8October2013,ArndSibila,TechnologyMarketingManagerLTE(Rel.8)UEcategoriesLTEUEcategories(downlinkanduplink)MostcommercialLTEdevices2010/2011/2012/2013Class1Class2Class5Class3Class4PeakrateDL/UL10/5Mbps50/25Mbps100/50Mbps150/50Mbps300/75MbpsRFBandwidth20MHz20MHz20MHz20MHz20MHzModulationDL64QAM64QAM64QAM64QAM64QAMModulationUL16QAM16QAM16QAM16QAM64QAMMIMOULnononononoDefinedininitialLTErelease(3GPPRelease8)MIMODLoptional2x22x22x24x4Source:TS36.3069October2013,ArndSibila,TechnologyMarketingManagerFDDvs.TDDThebasicdifferenceıFDDseparatesDLandULtransmissioninfrequency,i.e.differentfrequencybandsareallocatedforeitherdirection.ıTDDseparatesDLandULtransmissioninthetimedomain,i.e.differenttimeslotswithinaradioframeareallocatedforeitherdirection.1.4MHz=72Tones20MHz=1200TonesSubchannels/Tones(each15kHz)1TTI=1ms1PRB(PhysicalResourceBlock)=12Subcarriers=180kHz1PRB=2Slots=2*0.5msUser1User2User3User..Subchannels/Tones(each15kHz)1TTI=1ms1PRB(PhysicalResourceBlock)=12Subcarriers=180kHz1PRB=2Slots=2*0.5ms1.4MHz=72Tones20MHz=1200TonesUser1User2User3User..Uplink:SC-FDMADownlink:OFDMAUL-DLconfiguration3isusedforTXcharacteristictestsoneNB1.4MHz=72Tones20MHz=1200TonesSubchannels/Tones(each15kHz)1TTI=1msUser1User2User3User..Specialsubframecontainingguardperiod(switchingfromDL-UL)10October2013,ArndSibila,TechnologyMarketingManagerAdvantagesofTD-LTE:Asymmetricuseofspectrumispossible(e.g.moreDLthanULresources)NoneedforduplexdistancebetweendownlinkanduplinkfrequencybandsSamesetoffiltersandequalizerscanbeusedforbothreceptionandtransmissionandnoduplexerarerequiredresultingincostsavingsReciprocityofthepropagationchannel:eNodeBuseinfofromuplinkmeasurementsfordownlinktransmissionbeneficialforbeamformingDisadvantagesofTD-LTE:Downlinkanduplinkmustbetransmittedatthesametimeinallcellsallbasestationsmustbetime/frame-synchronizedallbasestationsmustusethesameframe(UL/DL)configurationoperationinadjacentTD-LTEbandsneedsalignmentbetweenoperatorsDownlink-to-uplinkswitchingpointsrequirespecificguardperiodsChallengesfortransmissionschedulingduetoframingstructuresWhatarethebenefitsofTD-LTE?ComparisonFDDversusTDD11October2013,ArndSibila,TechnologyMarketingManagerLTERelease8FDD/TDDTheLTEvolutionpathtowards3GPPRelease9Rel-9eMBMSPositioningDualLayerBeamfo