英文学术报告.doc

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1、英文学术报告Taking5GformVisiontoReality姓名:xx班级:xx学号:xxAtthebeginningofthelectureintroducestheestablishmentofKeysightTechnologiescompanydevelopmentAgenda:Reviewofmajorinnovationsinwirelesscommunications2.UMTSlongtermevolution3.Themotivationandvisionfor5G4.5Gtechnicalassumptio

2、ns5.Sixpredictionsforbroadbandwireless20206.Summary5GoverviewExpectations,opportunities,majorplayersandtiming5GrequirementsframeworkWhatdoweneedfor5Gtobesuccessful?①weneedaboldvisionthatthevisionmustobeythelawsofphysics②Foranindustrytobematurerequires③successfulindustr

3、yalsohastobesustainableEnablingTechnologiesandmeasurementchallenges1.Understandingcellularperformance①speedversuscapacity②theproblemofhandover③variationofperformanceacrossarea④variationofthroughputacrossacellinaloadednetwork⑤maximizingcapacityinagivenarea1.Exploitingth

4、espatialdomainatmmWave①acellularnetworkcapacitymodal②addingcellco-locationormassiveMIMO③increasingmmWavecapacitywithmassiveMIMO④systemVUEtoolmodelinglargenumbersofantennas2.Newmodulationformats①1G---FM②2G---GMSK/CDMA③3G---W-CDMA④4G---OFDMASC-FDMA⑤5G---NIMA3.FBMCperform

5、anceanalysis①analyzingtheimpactofrealhardware②selectingbetweensimulatedandrealhardwareanalysis③propertiesofthesimulatesignalintheVSA④impairedpropertiesofthesignalformatypicalUEPA⑤applyingsignalconditioning4.WorkingwithwidebandsignalsatmmWave5.SpectrumaspectsBusinesscon

6、siderationsTheunprecedentedinterestandinvestmentinthenextgenerationneedstobematchedtoviablebusinesscasestoensuresustainabilitySixpredictionsforwirelessbroadband20201.NonewworldwideallocationsofmmWavespectrum2.CellularwillextendintotheISMbandat60GHz(Unlicensedaccess)3.T

7、heimportanceofUEantennaswillfinallyberecognized4.WLANwillbecomeanequalpartnerwithcellular5.Withouttechnicalbreakthrough,theoperatorbusinesscasewillnotsupportamassiveexpansionincapacity6.Thesuccessof802.11adwilldeterminethelikelihoodofcellularatmmWavefrequenciesmmWaveAn

8、tennaDevelopmentandValidationAntennaPerformance–Steerable:design,characterization(codebook),producibility–Beamforming