5G vision and D2D communications
Transcript of 5G vision and D2D communications
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5GvisionandD2Dcommunications
Aleksandr Ometov15.03.2016
Tampere,Finland
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Whatis5G?
–Wehad2G,3Gandnowhave4G.• Whatis5G,anyideas?– NoGoogling!
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”5Gissomethingthattheyaresellingtoyou”
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
• Moredensedeployments andmobility• Newapplications/services
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Whatdowehavenowasresearchers?• Wehavenotalot,really..• WhitepapersfromIndustry
– Helpinguswithproblemstatements
• Tasksfrombusinesspartners– ProjectsfromEricssonorQualcommwouldbemostprobablyimplemented innextreleasesofLTE
• Requestsfromusers– ”WewantfullHDvideos!”
• Forecasts– Ciscoguysknowwhattheyaredoing.
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Usecases– 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-like Services– News,matches,events
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5GRequirements– User– UserExperience
• ConsistentUserExperience– togivewhatwasoffered• UserExperiencedDataRate• LatencyandMobility
– DeviceRequirements• OperatorControlCapabilitiesonDevices• Multi-Band-Multi-Mode SupportinDevices• ResourceandSignalingEfficiency• DevicePowerEfficiency
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5GRequirements– System– SystemPerformance
• ConnectionDensity• TrafficDensity• SpectrumEfficiency• Coverage• ResourceandSignalingEfficiency
– EnhancedServices• Connectivity Transparency• Contextual information-- 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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D2Dasoneoftheenablers– Directcommunicationbetweendevicescontrolledbythe”Bigbrother”network
– 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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D2Dapplicationlist–M2Mcommunications– Relaying– Contentdistribution– Gamming– Cellularoffloading– Directconnectivity– Advertisements– Socialnetworks–Wearables
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D2Dchallenges– ProposingadequateD2D-awarescenarios
• Howtosellit?– DevelopingD2D-centricsystemarchitecture
• ThenetworkcoreshouldbecapableofD2D– DesigningefficientD2Doperationmechanisms
• Wedonotwantourbatterytodraininstantly
– PerformanceevaluationofD2Dsolutions• Profsforindustryareneeded
– LeveragingavailableD2Dbenefits• Foroperators• Forclients
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Lessonslearned• 5Gisnotsomethingscary– It’sjustanewsetoftechnologies
• Trytomemorizetheusecases• Whatarethemaintargetsof5G?• D2Dwouldbeapartof5G• WhatisthedifferencebetweenD2DandyourBluetoothlinktotransferaphoto?– Alsousecaseshere
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Thankyou
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