04针对多模多频移动终端的先进射频解决方案图文.docx
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04针对多模多频移动终端的先进射频解决方案图文.docx
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04针对多模多频移动终端的先进射频解决方案图文
WirelessSemiconductorDivisionYourImagination,OurInnovationBuildingaBiggerPipeBycombiningsmallpiecesofspectrum,ahighercapacitydatachannelcanbecreated.ThisiswhatCarrierAggregationisallabout5MHzRxatB17Ch52Ch53Ch54Ch55Ch56Ch57Ch58Ch595MHzTx/RxatB4A(UETxABCDEABC(UETx(UETx(UETx(UERx(UERx(UERx(UERx(UERxB(UETxCDE(UETx(UETx(UETxF(UETx…..A(UERxB(UERxCDE(UERx(UERx(UERxF(UERxCh59E(UETx+EC(UERx(UERx5MHzTx,10MHzRxAggregatedTwicethebandwidth=twicethespeed,twicethethroughput.Page26
WirelessSemiconductorDivisionYourImagination,OurInnovationArchitecturesSupportingDownlinkAggregationDownLinkAggregationF1andF2active:
eitherF1Tx,F1+F2Rx,orF2Tx,F1+F2RxForsimultaneousreception,pathstobothreceiversmustbelive(connectedtoantennaatthesametimeF1F2√F1F2√F1F2XDiplexerWorkswhenF1andF2arewidelyspaced,eglow-highbandsMostlinearstructureMultiplexerCanbeusedforanyfrequencyspacing,e.glow-low,low-high,etcSamelinearityasduplexersSwitchusuallycanonlyhaveonethrow“live”atatimeduetoloadingSamelinearityasduplexersPage27
WirelessSemiconductorDivisionYourImagination,OurInnovationSummaryPage28AVAGOTECHNOLOGIESCONFIDENTIAL
WirelessSemiconductorDivisionYourImagination,OurInnovationSmartphonesDrivetheRFSemiconductorMarket§§Smartphonesarenowmorethan35%ofthehandsetmarket.Smartphoneshavehigherbandcontentthanfeaturephones–10ormorebandsisnotuncommon,andrequestsaremovingtowards22bandphones.AddedbandsincreasesRFcontent.MorePAs,moreduplexers,andaneedforswitchesandotherroutingcomponents(diplexers,multiplexers.MultiBandMultiModedevicesarealsobecomingmorepopular.OtherradiossuchasWiFiandGPSarealsocommonlyfoundinsmartphones.Thisincreasestheneedforco-existencefiltering.Thehighlossesassociatedwithcombiningmultiplebandsmakeshighefficiencyandlowinsertionlossproductsmorevaluable.§§§§CarrierAggregation,SVLTE,andEnvelopeTracking(ETcreatechallengesfordevicelinearity,andmakehighisolationmorevaluable.Whilebandcountisincreasing,phonerealestateisnot,sosmallsizealsoaddssignificantvalue.Trendsincludeshrinkingofsinglefunctionsaswellasintegrationofmultiplefunctions.SamsungGalaxyNoteFeaturingAvagoB13,B17,MBMMPAs§Allofthisplaystothestrengthsofacompanythatofferstechnologicaldifferentiation.Page29
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- 04 针对 多模多频 移动 终端 先进 射频 解决方案 图文
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