TrackB2-高速及便捷的80211ac,80211p及NFC无线

RSTWTK2013無線通訊的主要趨勢：高速與便捷R&STaiwanFeiyuChenRSTWTK2013|Nov.2013|2ContentslIEEE802.11aclIEEE802.11plNFCRSTWTK2013|Nov.2013|3IEEE802.11acRSTWTK2013|Nov.2013|4Marketl99%ofallPCandrelatedproductssupportWLAN(asawirelessstandardinsidethecomputerindustry)lMoreandmoremobilephonessupportWLANlMulti-technology/-standardchipsetslWi-FiAllianceRSTWTK2013|Nov.2013|5StandardIEEEStandarddescription802.111-2Mbit/s,2.4–2.485GHzRFandIRAllotherstandardsbelowareAmmendments(Except802.11fand802.11t)802.11a54Mbit/s,5GHz,OFDM802.11bDSSS,CCK,11Mbit/s,2.4GHz802.11cBridgeoperationprocedures(notused)802.11dInternational(country-to-country)roamingextensions802.11eQoSandVoIPincludingpacketbursting802.11fRoamingwithIAPP(InterAccessPointProtocol)802.11g802.11bOFDMfor2.4GHz802.11hDFS(dynamicfrequencyselection)andTPC(transmitpowercontrol)for802.11a802.11iEnhancedSecurity802.11jExtensionsforJapan,4.9–5GHz,10MHzBW802.11-2007IncorporatesallstandardsaboveRSTWTK2013|Nov.2013|6IEEEStd802.11-2012StandardIEEEStandarddescription802.11n600Mbit/s,MIMO,PacketAggregation,40MHzBW,OFDMA802.11pWAVE/C2C(cartocar),10MHzBW802.11rFastroaming802.11sMeshnetworking,ExtendedServiceSet802.11uInterworkingwithnon-802networks(forexample,cellular)802.11y5Kmrange,3.7GHzfortheUS802.11aaRobuststreamingofAudioVideoTransportStreams802.11mbMaintenanceofthestandard.Expectedtobecome802.11-2011802.11acVeryHighThroughput6GHz802.11adExtremelyHighThroughput60GHzRSTWTK2013|Nov.2013|7802.11acMotivationRSTWTK2013|Nov.2013|811acOverviewlBackwardscompatibleto802.11aand802.11nandcoexistencewith11aand11nlFrequencyband:5GHzlRFbandwidths:20MHz,40MHz,80MHzand160MHzlModulationtypes:BPSK,QPSK,16QAM,64QAM,256QAMlMIMOantennasupport:2x2,4x4,8x8(new,comparedto802.11n)lApplicationNote1MA192byLisaWardRSTWTK2013|Nov.2013|911acOverviewPropertiesMandatoryOptional20MHz,40MHz,80MHzchannelsX1spatialstreamXBPSK,QPSK,16QAM,64QAMX256QAMX80+80MHz,160MHzchannelsX2to8spatialstreamsXMulti-UserMIMO(MU-MIMO)X400nsshortguardintervalXSpaceTimeBlockCoding(STBC)XLowDensityParityCheck(LDPC)XPeakDataRate=~293Mbps~3.5GbpsRSTWTK2013|Nov.2013|1011acOverviewOFDMl802.11acPHYisbasedonthewellknownOFDM(OrthogonalFrequencyDivisionMultiplexing)PHYusedfor802.11aand802.11nfdurationTS1/TSf0f2f1fCarrier=f0+n/TSwherenisaninteger,f=1/TS,therefore:fn=nxfThemaximumofonecarrierisatthezerocrossingsofallothersf2f1f0RSTWTK2013|Nov.2013|1111acOverviewGuardIntervalTb…UsefulsymboltimeTg…GuardtimeTs…OverallsymboltimelProtectionagainstpropagationdelays,echosandreflectionslISIpreventionlLongGI:800nslShortGI:400nsRSTWTK2013|Nov.2013|1211acOverviewChannelizationlSupportof20/40/80/160MHzchannelbandwidthlThe80MHzchannelwillconsistoftwoadjacent,non-overlapping40MHzchannelslThe160MHzchannelwillbeformedbytwo80MHzchannelsladjacent(contiguous)lnon-contiguouslEurope,JapanandGlobalOperatingClassChannelAllocation1401361321281241201161121081041006460565248444036IEEEchannel#20MHz40MHz80MHz5170MHz5330MHz5490MHz5710MHz160MHzRSTWTK2013|Nov.2013|1311acOverviewChannelizationlSupportof20,40,80,160MHzchannelbandwidthlThe80MHzchannelwillconsistoftwoadjacent,non-overlapping40MHzchannels.lThe160MHzchannelswillbeformedbytwo80MHzchannelslContiguousornon-contiguousUSA1401361321281241201161121081041006460565248444036IEEEchannel#20MHz40MHz80MHz5170MHz5330MHz5490MHz5710MHz160MHzRSTWTK2013|Nov.2013|14BasictestingRSTWTK2013|Nov.2013|15TransmitterMeasurementslSpectrumEmissionMask(SEM)lAdjacentChannelPower(ACP)lSpectrumFlatnesslOutofbandemissionslCrestFactorbasedonCCDF(ComplementaryCumulativeDistributionFunction)lModulationQualitylErrorVectorMagnitude(EVM)lI/QOffset(TransmitterCenterFrequencyLeakage,relativetooveralltransmittedpower)lGainImbalancelQuadratureErrorlFrequencyErrorlSymbolClockErrorRSTWTK2013|Nov.2013|16Factsabout802.11aclTransmitterConstellationErrorMCSModulationCodingRateRCE(dB)0BPSK1/2-51QPSK1/2-102QPSK3/4-13316-QAM1/2-16416-QAM3/4-19564-QAM2/3-22664-QAM3/4-25764-QAM5/6-278256-QAM3/4-309256-QAM5/6-32RSTWTK2013|Nov.2013|17FactsaboutWLAN802.11acTransmiterspecificationsEVM-30dBEVM-33dBIEEE802.11acFrequency/Fs:5.8GHz/160MHzSignalLvlSetting/ExtAtt:-2.4dBm/0dBCapt.Time/NoSamples1ms/160001PPDU/MCSIndex/GI:VHT80/8/L64MeasSetup:1TXx1RXNoOfDataSymbols:1/1366SINGLETRG:FREERUNRFBurst:3(3)BConstellationStream1-15.0015.00-15.0015.00Mkr1I-9.0923Q6.94851Date:18.NOV.201113:26:25IEEE802.11acFrequency/Fs:5.8GHz/160MHzSignalLvlSetting/ExtAtt:-2.4dBm/0dBCapt.Time/NoSamples1ms/160001PPDU/MCSIndex/GI:VHT80/8/L64MeasSetup:1TXx1RXNoOfDataSymbols:1/1366SINGLETRG:FREERUNRFBurst:3(3)BConstellationStream1-15.0015.00-15.0015.00Mkr1I-9.1272Q7.16961Date:18.NOV.201113:27:08RSTWTK2013|Nov.2013|18ReceiverMeasurementslReceiver(conducted)SensitivitylReceiverSelectivitylReceiverPerformanceldependingonSNR(AWGN)ldependingonRXinputpowerlMeasurementsbasedonBER,BLER,PER,etc.RSTWTK2013|Nov.2013|19TestsolutionSMW200ASMBV100ACMWFSWFSVRTORSTWTK2013|Nov.2013|20AdditionaltestingRSTWTK2013|Nov.2013|21SymbolClockErrorRSTWTK2013|Nov.2013|22InterferenceDetectionRSTWTK2013|Nov.2013|23EnhancedTroubleShootingInformat