TD-LTE和LTE-FDD性能比较The Biggest Platform in the History of Mankind
LTE Has Strong CommitmentsLTE MULTIMODE LAUNCHEDLAUNCHESNETWORK COMMITMENTSLTE TDD GAINING MOMENTUMNOV 2010TRIALSQUALCOMM MOBILITY FIELD TRIALGROWING DEVICE ECOSYSTEMDEVICESVENDORSSourcewww.gsacom.com,Jan1220113G Operators Committed to Combined 3Gand LtE Strategy3G adds -3 million approximately every 4 daysMobile WiMAX is approaching 3 million subscribers globally since its existence160200MillionBillion3G Operators3G Subs3G Operators3G Subs20103Sources: 13G -Wireless Intelligence, as of Q210 23G WiMAX-Informa, as of Q2 10 wIreless Intelligence estimates as of Jul 19 for the quarter ending Jun 302010, GSMA and CDG, Jul 2010 Global Mobile Suppliers Association(GSA) Aug 26, 2010LTE TDD: The Global Solution for UnpairedSpectrumComplements 3G to Boost Data Capacity3G provides ubiquitous data, voice and global roamingSeamless 3G Interoperability from Day OneTETDDLeverages LTE FDD and Huge 3G EcosystemCommon TDD/FDD standard and design ensures economy of scaleQualcomm: Common FDD/TDD chipset platformMultimode chipsets supports LTE FDD TDD with 3G and its evolutionQualcomm is a Leader in 3G and 4G2014+CDMA20001X AdvancedSIMULTANEOUS IX VOICE AND EV-DO DATARev AMulticarrier H/W UpgradeEV-DODO AdvancedRev. B)Re|-7Re|-8Re|-9Re|-10Rel-11 BeyondHSPA+HSPA+HSPA+(Commercial)(Future)AdvancedRe|-8Re|-9Re|-10Rel-11 BeyondLTE Leverages new, widerand unpaired spectrum(Commercial)/(Future)AdvancedCommercialNote: Estimated commercial datesCreated 02/08/2011LTE TDD: The Global Solution for UnpairedSpectrumChina and India to deploy ltE TddGLOBAL TDD SpectrumPotential SpectrumStrong industry support2.5/2.6 GHZ (IMT Extension gap50 MHzB383.2570 MHz to 2620 MHzLeverages ltE FDD2.3 GHz100 MHZB404 2300 MHz to 2400 MHzShares most of fdd design and standard3IMT extension band provides 50 MHz TDD in addition to 70 MHz 70 MHzCommon core networkFDD in most countries. 2B40 will e.g. be used for India and China, canprovide up to 100 MHZ, but less spectrum may be available in some marketsLTE TDD operator trials in 2010, commercial launches in 2011LTE TDD LTE TDD MultimodeTrialsCommercial LaunchesLTE FDD LTE FDD MultimodeSingle ModeCommercial launches3G Evolution (HSPA/HSPA+, EV-DO Rev. A/B, 1X/DO Advanced2012+plans to drop WiMAX in favor of LTE in some markets. 2Single mode LTE TDD trials 2H2010, multimode trials 1H 2010 and commercial multimode launch in 20,Ced1Basically all vendors offering LTE TDD, WiMAX industry support declining: Clearwire announced LtE trials in press release Aug 4th 2010 Russia s Yota announdWorldwide lte tdd trials in 2010Worldwide LtE Tdd trialsGrowing LTE TDD Eco-SystemIndia BWa2.3 GHz spectrum for LTE TDDAll major Infrastructure vendors supportQualcomm and ericsson demonstrates ltELTE TDDTDD mobility in India november 30th 2010EXamples are Alcatel-Lucent, AlvarionReliance committed to ltE tddEricsson huawei motorola nokia siemensQualcomm won one 20 MHz slot in keyNetworks and ztetelecom circles for LtE Tddpically common LTE FDD and TDDChina mobile showcased large-scale LtEInfrastructure productsTDD trial at the World Expo in 2010China mobile to establish three separate trialChipset vendors committed to LTE TDDnetworks in 2010chipsets in 2. 3/2.5 GHzChina Mobile is also partnering to establish trialQualcomm, Altair, Sequans, Innofidei,networks overseas, including taiwanWavesat, Beceem, Runcom LG. HuaweiClearwire(USa)conducted lte trials inSamsung, ST-Ericsson(Source: GSA, Signals Research Group,2010(FDD and TDD)August 2010)Softbank Mobile in Japan is reported toconsider ltE TdDLTE TDD testing in IrelandWith the authorization of regulator ComRegunder its trial and test license programSources: GSA GSM/3G Market Update, Aug 2010 and Signals Ahead Volume 6, No 8 June 16, 2010. Clearwire press release Aug 4 thLTE Complements 3G to Boost Data CapacitLTE TDD is optimal technology to leverage unpairedUALCOMspectrumLTE/3G: MultimodeSeamless 3G service continuity with multimodeTDD FDDdevices3G provides ubiquitous data coverage and voiceCommon TDD/FDDservicesplatform3G provides roaming in global FDD bands(FDD or TDD)3G CoverageEnsures ubiquitous data coverage, enables voice services and global roamingLTE TDD EXcellent for Hot- spot ExpansionsExisting networks can leverage LTE TDD for targeted capacity expansionsTDD spectrum typical available at higher frequency bands optimal for capacity expansionExcellent indoor complement for small nodes--does not interfere with fdd networkNew LTE TDD networks--plan for small nodes from day oneMix of LtE TDD hot spots(picocells, femtocells )with LTE TDD macro coverageCapacity boostLTE TDD Hot-spotsE.g. Micro, Pico and Femtocells(2.3 GHz and 2.5/2.6 GHz)Wide Area Coverage3G FDD Wide Area coverageHSPA+ and ev-Do rev B(e. g. 800/900 MHz and 2.1 GHzLTE FDD Wide Area coverage(Or LTE TDD)(e.g. digital dividend spectrum for FDD)1Note: LTE TDD can provide sufficient coverage, especially for capacity driven macro networks, but provides reduced coverage compared to FDD ...展开详情