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Whatis5G?
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Thefifthgenerationofmobiletechnology(5G)ispositionedtoaddressthedemandsandbusinesscontextsof2020andbeyond.
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Howdidithappened?
• Thestandardsfor5Ghavenotyetbeenset. 3
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Listofchanges• NeedforSpeed
– X40timesfaster– i.e.100Mbpsperdevice
• Higherfrequencies– GHz
• Moredifferentdevices– +IoT,wearables,cars
• Differenttechnologies– HetNets
• Moredensedeploymentsandmobility• Newapplications/services
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Whatdowehavenowasresearchers?• WhitepapersfromIndustry– Helpinguswithproblemstatements
• Tasksfrombusinesspartners– ProjectsfromEricssonorQualcommwouldbemostprobablyimplementedinnextreleasesofLTE
• Requestsfromusers– ”Wewantnewservices!”
• Forecasts– Ciscoguysknowwhattheyaredoing.
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5Gusecases– Nokia
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Usecases– detailed• BroadbandAccessinDenseAreas
– Serviceavailabilityindensely-populated,wherethousandsofpeoplepersquarekilometerliveand/orwork
• BroadbandAccessEverywhere– 50+MbpsEverywhere(100isatarget)
• HigherUserMobility– Mobileservicesinvehicles,trainsandevenaircrafts
• MassiveInternetofThings(IoT)– Smartwearables,WSNs
• ExtremeReal-TimeCommunications– TactileInternet(thereal-timereactionthatisexpectedtobewithinsub-millisecond)
• LifelineCommunication– Naturaldisaster– nomoreinfrastructure
• Ultra-reliableCommunications– Trafficcontrol,controllablerobots,publicsafety,health
• Broadcast-likeServices– News,matches,events
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5GRequirements– User– UserExperience• ConsistentUserExperience– togivewhatwasoffered• UserExperiencedDataRate• LatencyandMobility
– DeviceRequirements• OperatorControlCapabilitiesonDevices• Multi-Band-Multi-ModeSupportinDevices• ResourceandSignalingEfficiency• DevicePowerEfficiency
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5GRequirements– System– SystemPerformance• ConnectionDensity• TrafficDensity• SpectrumEfficiency• Coverage• ResourceandSignalingEfficiency
– EnhancedServices• ConnectivityTransparency• Contextualinformation– Location• Security• HighAvailability• Reliability 10
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5GRequirements– Deployment– NetworkDeployment,OperationandManagement• CostEfficiency• EnergyEfficiency• EaseofInnovationandUpgrade• EaseofDeployment• FlexibilityandScalability• UltraLow-costNetworks(Ruralareas)
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Technology–Well,everythingyougotfromthepreviouslectures.
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Justarecallaboutlatency
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TactileInternetiswherelatencyiscrucial!Watchthisvideo:https://www.youtube.com/watch?v=OoeCBL_thNg
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D2Dasoneoftheenablers– Directcommunicationbetweendevicescontrolledbytheinfrastructurenetwork
– Directconnectivity:• in-bandD2Dincellularnetworks(LTEDirect)• out-of-bandD2Dincellularnetworks(WiFi,BLE?)
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D2DApplications
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Cellular base station
Coverage area
Public safetyservice
Content sharing
Vehicularcommunication
Wearables
Industrial automation
Direct communication
Infrastructure communication
Emergency communication
Direct user link
Smart home
Smart parking
Public transport
Local advertisingProximal
communication
High-density environment
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D2Dapplicationslist– M2Mcommunications– Relaying– Contentdistribution– Gaming– Cellularoffloading– Directconnectivity– Advertisements– Socialnetworks–Wearables
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D2Dchallenges– ProposingadequateD2D-awarescenarios• Howtosellit?
– DevelopingD2D-centricsystemarchitecture• ThenetworkcoreshouldbecapableofD2D
– DesigningefficientD2Doperationmechanisms• Wedonotwantourbatterytodrain
– PerformanceevaluationofD2Dsolutions• Profsforindustryareneeded
– LeveragingavailableD2Dbenefits• Foroperators• Forclients
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Lessonslearned• 5Gisnotsomethingscary– It’sjustanewsetoftechnologies
• D2Dwouldbeapartof5G• Trytomemorizetheusecases• Whatarethemaintargetsof5G?• WhatisthedifferencebetweenD2DandyourBluetoothlinktotransferaphoto?
• AlsousecasesforD2D18