5G研究进展及关键技术.pdf

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1、目录•5G系统应用场景•5G研究空口关键技术•5G系统技术指标•5G研究网络关键技术•5G系统架构需求•5G研究‐车联网技术•5G研究业界进展•5G研究‐物联网技术•5G研究总体方案25G系统应用场景35G系统应用场景-IMT-2020低功耗大连接连续广域覆盖低时延高可靠热点高容量45G系统应用场景-ITU移动宽带增强、海量机器通信、超高可靠低时延通信55G系统应用场景-3GPP3GPP协议：38.913eMBB(enhancedMobileBroadband)mMTC(massiveMachin

2、eTypeCommunications)URLLC(Ultra‐ReliableandLowLatencyCommunications)6目录•5G系统应用场景•5G研究空口关键技术•5G系统技术指标•5G研究网络关键技术•5G系统架构需求•5G研究‐车联网技术•5G研究业界进展•5G研究‐物联网技术•5G研究总体方案75G系统技术指标-IMT-202085G系统技术指标95G系统技术指标-3GPP3GPP协议：38.913UserexperienceddatarateConnectionden

3、sityNetworkenergyefficiency10目录•5G系统应用场景•5G研究空口关键技术•5G系统技术指标•5G研究网络关键技术•5G系统架构需求•5G研究‐车联网技术•5G研究业界进展•5G研究‐物联网技术•5G研究总体方案115G研究架构需求-3GPP5G网络需要满足以下的需求：TheRANarchitectureshallsupporttightinterworkingbetweenthenewRATandLTE.Consideringhighperforminginter‐

4、RATmobilityandaggregationofdataflowsviaatleastdualconnectivitybetweenLTEandnewRAT.TheRANarchitectureshallsupportconnectivitythroughmultipletransmissionpoints,eithercollocatedornon‐collocated.TheRANarchitectureshallenableaseparationofcontrolplanesignal

5、linganduserplanedatafromdifferentsites.TheRANarchitectureshallsupportinterfacessupportingeffectiveinter‐siteschedulingcoordination.DifferentoptionsandflexibilityforsplittingtheRANarchitectureshallbeallowed.TheRANarchitectureshallallowfordeploymentfle

6、xibilitye.g.tohostrelevantRAN,CNandapplicationfunctionsclosetogetherattheedgesofthenetwork,whenneeded,e.g.toenablecontextawareservicedelivery,lowlatencyservices,etc...TheRANarchitectureshallallowforC‐plane/U‐planeseparation.5G研究架构需求-3GPPTheRANarchitec

7、tureshallallowdeploymentsusingNetworkFunctionVirtualization.TheRANarchitectureshallallowfortheRANandtheCNtoevolveindependently.TheRANarchitectureshallallowfortheoperationofNetworkSlicing.TheRANarchitectureshallsupportsharingoftheRANbetweenmultipleope

8、rators.ThedesignoftheRANarchitectureshallallowthedeploymentofnewservicesrapidlyandefficiently.ThedesignoftheRANarchitectureshallallowthesupportof3GPPdefinedserviceclasses.ThedesignoftheRANarchitectureshallenablelowerCAPEX/OPEX