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1、,All Rights Reserved Alcatel-Lucent 2008,Introduction and Evolution to LTE,James Seymour,Consulting Member of the Technical StaffWireless CTO Organization,LTE,All Rights Reserved Alcatel-Lucent 2008,2|P.Keryer|February 2008,What is 4G?,3G,Wireless Broadband Access,4G,Today,Tomorrow,2G,EVDO Rev 0/A/B
2、,GSM/EDGECDMA3G,OFDMFlat-IPMIMO/BFHSPA+,In the same way IMT-2000 defined 3G,IMT-adv will“officially”define 4GAll 4G systems are expected to have the following characteristicsOFDMAFlat-IPMIMO/BFIMT-Adv will“officially”define 4G,WiMAX 16e-2005UMTS/HSPA,WiMAX Rel 1.x Goal100 Mbps Mobile1 Gbps FixedSeam
3、less CompatibilityOptimized VoIPFull QoS control,All Rights Reserved Alcatel-Lucent 2008,3|P.Keryer|February 2008,3GPP Workplan to Meet IMT-adv Requirements,All Rights Reserved Alcatel-Lucent 2008,4|P.Keryer|February 2008,LTE Performance BenefitsLTE is based on OFDMA and thus offers benefits in term
4、s ofReduced in-cell interferenceReduced guardbandFrequency domain schedulingBroadcastVery Wideband Deployments(e.g.10+MHz)Initial Performance studies of LTE show:Up to 30-40%DL Spectral Efficiency gain over 3GUp to a factor of 2-3x UL Spectral Efficiency gain over 3G(Note that uplink interference ca
5、ncellation in 3G can reduce this gain significantly)Up to twice the VoIP Capacity of 3G(Note that uplink interference cancellation in 3G can reduce this gain significantly)Greater than 1 bps/Hz Broadcast performance(significantly better than 3G)While LTE does provide these gains,it also requires add
6、itional spectrum(i.e.the LTE airinterface does not support legacy 3G)LTE provides performance benefits over 3G and is most applicable in newwideband spectrum,5|P.Keryer|February 2008 All Rights Reserved Alcatel-Lucent 2008,Compelling Assets to Lead Next-Generation WirelessCell Site Solution,Stand-al
7、one solutions,Macro+RRH multi-standard solution,Stand-alone distributed solutions(RRH),RRHtechnology,stand-aloneBTS design,Common 4G BuildingBlocks,WCDMA/LTE RRH*WIMAX RRH,Macro BTS,WIMAXLWBS,Re-useandRe-engine,Full Macro multi-standard solution,Softwaredefinedmodules,Femto-BSRTRDU WCDMA/LTETRW WIMA
8、XBBU,BBU,wall-mounted,RRH,All Rights Reserved Alcatel-Lucent 2008,6|P.Keryer|February 2008,Terminals,Radio layer,Control,Cell site Transport,Switching,Application,Integration/optimization,SecurecommercialIT&CE devices&handsets,OFDM,MIMO,BFradio design,optimization,&2G/3G interworking,Re-use&re-engin
9、e,Evolutionto E2E IP&highQoS,Securereliable,scalableIP Service-routing,mobility control,&3G/4G cont.,All-IPservice deliverytransformation(e.g.IP comm.,multi-screen),LTE E2E SolutionLTE for a Profitable,Always-On,Broadband Business ModelAlcatel-Lucent for an efficient and safe LTE introduction on you
10、r network,All Rights Reserved Alcatel-Lucent 2008,Alcatel-Lucent Achievements in LTETrial initiatives,Multi-Vendor and Over-the-Air LTE Interoperability Initiatives.,Stateof-the-artinfrastructure,Compellingapplications7|P.Keryer|February 2008,IOT testing,Technicalcooperation,Market Research,Joint op
11、erator,outreachInnovative devices,LSTI,May,4,2007-LTE/SAE Trial Initiative:Alcatel-Lucent leading the Proof-of-Concept Phase 1Paris,Nov.15,2007Alcatel-Lucent and LG Electronics have completed Long Term Evolution(LTE)test callsusing Alcatel-Lucents LTE solution&mobile device prototypes from LG.US,Nov.29,2007-Verizon announced plans to develop&deploy(.)LTE.Verizon&Vodafone have a coordinated trial plan for LTE that begins in 2008.Trial suppliers include Alcatel-Lucent,Stable,open andfully integrated LTEecosystem,LTEcommercial,equipmentavailability,谢谢！,
