IntroductionandEvolutiontoLTE

1、all rights reserved alcatel-lucent 2008introduction and evolution to ltejames seymourconsulting member of the technical staffwireless cto organizationlteall rights reserved alcatel-lucent 20082 | p.keryer | february 2008what is 4g?3gwireless broadband access4gtodaytomorrow2gevdo rev 0/a/bgsm/edgecdm

2、a3gofdmflat-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 4gwimax 16e-2005umts / hspawimax rel 1.x goal100 mbps mobile1 gbps fixedseamless comp

3、atibilityoptimized voipfull qos controlall rights reserved alcatel-lucent 20083 | p.keryer | february 20083gpp workplan to meet imt-adv requirementsall rights reserved alcatel-lucent 20084 | p.keryer | february 2008lte performance benefitslte is based on ofdma and thus offers benefits in terms ofred

4、uced 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 cance

5、llation 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 addi

6、tional spectrum (i.e. the lte airinterface does not support legacy 3g)lte provides performance benefits over 3g and is most applicable in newwideband spectrum5 | p.keryer | february 2008 all rights reserved alcatel-lucent 2008compelling assets to lead next-generation wirelesscell site solutionstand-

7、alone solutionsmacro + rrh multi-standard solutionstand-alone distributed solutions (rrh)rrhtechnologystand-alonebts designcommon 4g buildingblockswcdma/lte rrh*wimax rrhmacro btswimaxlwbsre-useandre-enginefull macro multi-standard solutionsoftwaredefinedmodulesfemto-bsrtrdu wcdma/ltetrw wimaxbbubbu

8、wall-mountedrrhall rights reserved alcatel-lucent 20086 | p.keryer | february 2008terminalsradio layercontrolcell site transportswitchingapplicationintegration/optimizationsecurecommercialit & ce devices& handsetsofdm, mimo, bfradio design,optimization, &2g/3g interworkingre-use&re-e

9、ngineevolutionto e2e ip& highqossecurereliable, 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 intro

10、duction on your networkall rights reserved alcatel-lucent 2008alcatel-lucent achievements in ltetrial initiatives, multi-vendor and over-the-air lte interoperability initiatives .stateof-the-artinfrastructurecompellingapplications7 | p.keryer | february 2008iot testingtechnicalcooperationmarket rese

11、archjoint operatoroutreachinnovative deviceslstimay, 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 ha