11lte互操作解决方案了解LTE系统间相关内容

移动通信 LTE 移动通信 课程目 移动通信 课程内 移动通 系统间互操作的目 移动通信 系统间互操作场景及LTE小规模应用和测方式：Cellreselection、Re-

LTE逐步方式：Packetdatahandover、voiceoverLTEfor 方式：voiceoverLTEfor 移动通信 BasedonradioBasedonradioBasedonBasedonMobilityRadio

Campload

NetworkUE

Subscription/ 移动通 LTE与3G/2G3G/2G接入网设备不进行升3G/2G接入网设量升3G/2G接入网设备进行全面功LTE->3G/2G重定向√LTE->3G/2GPS切换√LTE->3G/2G语音切换√LTE->3G/2G重定向√LTE->3G/2GPS切换√LTE->3G/2G语音切换√LTE->3G/2G重定向√LTE->3G/2GPS切换√需要RNC/BSS增加广播信息和信息（包含测量配置）、对用户、运营商无无系统3G/2G->LTE切换速度快 移动通信 PLMN选择方PLMN选择方对于LTE->IRAT，一般采用小区重选方案对IRAT->LTE，初期考虑PLMN重选，后期考虑小区重选方功能描述（分为UE选择registeredPLMN、或空闲时使用小区重选方式返回LTE时使用归属PLMN重选的方式返回3G，周为6分钟的倍。返回LTE时间较长返回LTE时间相对较也可顺延成为方案 Intra-3GPP系统结S1-LTE-S1-Operator'sIP(e.g.IMS,PSS LTE与其他非3GPP系统结构-

Operator'sIP(e.g.IMS,

etc

3GPPNon-

Non-3GPP

LTE与其他非3GPP系统结构-

Operator'sIPServices(e.g.

Non-

3GPPIP

Non-3GPPIP

移动通 LTE与HRPD系统结S1-

S1-

Operator’s(e.g.IMS,PSS)

3GPP

移动通信 课程内 移动通 LTE与UTRAN互操LTELTE->UTRAN-> 移动通信 小区选择和重

IntraInterlower INTEGER(0..7) 移动通信 小区重重选到新小区的条件主要满足UE在以前服务小区驻留时间超过TrRTRT率，都定了一小区重定时，当在-UTRN小区中评估重选或重选到其他RT 重选参 重定RandomAccessProcedureinwithRRCConnectionHO 移动通 E-UTRAN到UTRAN的PS切换过程，用于连接状态下UE移动性，被为两个阶段：准备阶段和执行阶

Serving

Uplinkand UserPlaneHandover

ForwardRelocationCreateBearer4a.CreateBearer5a.RelocationRequestCreateBearer6a.CreateBearerForwardRelocationCreateBearer8a.CreateBearer 动

ServingGW

1.Handover2.HOfro-E-UTRAN

UplinkandDownlinkUserPlane4.UTRANIuAccess .HandovertoUTRANSendingofuplinkdata

DownlinkUserPlaneIfDirectForwardingViaTargetSGSNincaseDirectTunnelisnotRelocatonForwardRelocation6a.ForwardRelocationComplete

IfIndirectForwardingForServingGWrelocationSteps7,8and

UpdateBearer

UpdateBearerandthefollowingUserPlanepathhandledbyTargetServingGW

will

UpdateBearer

8a.UpdateBearerUplinkandDownlinkUserPlanePDUs(ViaTargetSGSNifDirectTunnelisnotRouteingAreaUpdate11b.Release

DeleteBearer11a.DeleteBearerDelete 移动通 切

ServingUplinkandDownlinkUserPlane HandoverHandover

ForwardRelocationCaeBarR. CaeBarRseRelocat

DeleteBearer7a.DeleteBearer8.ForwardRelocationResponseHandoverPreparation LTE与UTRAN互操LTELTE->UTRAN->UTRAN到E-UTRAN之间的移动性，需要UTRAN升级支持R8议版 小区重Blacklistedcellsperfreq 重定向 重定向 移动通

Serving

UplinkandDownlinkUserPlanePDUs(viaSourceSGSNincaseDirectTunnelisnotHandoverRelocation

ForwardRelocationCreateBearer4a.CreateBearerHandover5a.HandoverRequestCreateBearer6a.CreateBearerForwardRelocationCreateBearer8a.CreateBearerResponse

ServingGW

UplinkandDownlinkUserPlanePDUs(vaSourceSGSNifDirectTunnelisnotHOfromUTRANE-UTRANAccessHOtoE-UTRANSending

IfDirectForwarding

7a.ForServingGWrelocationSteps8,9and

andthefollowingUserPlanepath,willbehandledbyTargetServingGW

UplinkandDownlinkUserPlane12b.IuRelease

移动通 切

ServingGWUplinkandDownlinkUserPlanePDUs(viaSourceSGSNincaseDirectTunnel HandoverRelocation

ForwardRelocationCreateBearerHando

4a.CreateBearer Bearer7a.DeleteBearerForwardRelocationResponseRelocationPreparation移动通信 课程内 LTE与GERAN互操LTELTE->GERAN->考虑GERANA/Gb模式，暂不考虑Iu模 小区重主要参说GERAN下行频点组（包含一个或多个频点GERAN小区重选优先threshX-重选到比服务频点优先级高的GERAN小区频点的高门threshX-重选到比服务频点优先级低的GERAN小区频点的低门ncc-Bitmap，指示频点组中对应的最多8q-GERAN小区中所需要的最小接收电p-上行最大允许传输功t-GERAN小区重选定时器在中速状态下的GERAN小区重选时间比例因在高速状态下的GERAN小区重选时间比例因 重定 HOdecisionRRCConnectionreleasewithredirection 切BSS必须支持PacketFlowManagement(PFM) 移动通

Target Source Target Serving

PDNServingPDNUplnkand UserPlaneHandover

ForwardRelocationCreateSession4a.CreateSessionPSHandover5a.PSHandoverRequestAcknCreateIndirectDataForwardingTunnel6a.CreateIndirectDataForwardingTunnelForwardRelocationCreateIndirectDataForwardingTunnelRequestCreateIndirectDataForwardingTunnel

HOfromE-UTRAN4GERANA/GbAccessXID

Sendingofuplinkdata

Onlyif”DirectForardinappliesXID

ModifyBearerForServingGWrelocationSteps910and

ModifyBearerandthefollowingUserPlanepath,willbehandledbyTargetServingGW

10a.ModifyBearerModifyBearerXIDNegotiationforLLCRouteingAreaUpdate14b.Release

移动通 切UplinkandDownlinkUserPlane2.Handover3.ForwardRelocation4.CreateSession4a.CreateSession5.PSHandover6.PSHandoverRequest7.DeleteSession7a.DeleteSession9.HandoverPreparationr1. CCOwithRIME-E-RIMRIRN之（如系统信息）， 移动通 CCOwith

RANGERANA/GbAccess

移动通信 了RIM过程。网络侧还是通过MobilityFromE-UTRANCommand消息中的CellChangeOrderIE携带SystemInformation信息。还是CCOwithNACC方式，可以通过进行灵活 移动通信 LTE与GERAN互操LTELTE->GERAN->级到Rel8协议版 移动通 小区重GERAN小区通过系统广播信息SYSTEMINFORMATION2quater中的SI2quaterRestOctetsIE，或PACKETSYSTEMINFORMATIONTYPE3quater（PSI3quater）IE，将E-UTRAN临小E-UTRAN_BA_INDbitE-UTRAN带宽指 _ACTIVEbit指示当重选到E-UTRAN临区时是否在当前服务小区执行CCN（CellChangeNotification）过Qsearch_C_E-UTRAN_Initialbit(2Qsearch门限，即当信号低于E-UTRAN_REP_QUANTbitE-UTRAN小区测量 移动通信 E-UTRAN临区信1 bit(16E-UTRAN{0|1<MeasurementBandwidth:bit(3)>}}**0 E-UTRAN_PRIORITYbit(3E-UTRANTHRESH_E-UTRAN_highbit(5 先级高的E-UTRAN小区频点的高门{0|1<THRESH_E-UTRAN_low:bit(5)>} 0|1E-UTRAN_QRXLEVMINbit(5 E-UTRAN 移动通 重定MeasurementHOHO 移动通信 切UE处于READY状态，对于不同状态及相互关系参见BSS必须支持PacketFlowManagement(PFM) GPRSGPRSREADYtimerGPRSGPRSREADYtimerexpiryForcetoPDUGPRSGPRSCancelCancelREADYtimerexpiryForcetoAbnormalRLCPDUMMStateModelof MMStateModelof 移动通 切换-准备阶 ServingUplinkandDownlinkUserPlane

HandoverPSHandover

ForwardRelocationCreateSessionRequest4a.CreateSessionResponseHandoverReq5a.handoverRequestCreateIndirectDataForwardingTunnel6a.CreateIndirectDataForwardingTunnelForwardRelocationCreateIndirectDataForwardingTunnelRequestCreateIndirectDataForwardingTunnel 移动通信

Serving 执行

UplinkandDownlinkUserPlaneOnlyif'DirectForwarding'Onlyif'IndirectForwarding' .PSHORequired2.PSHandoverE-UTRANAccessHOtoE-UTRANHandoverSendingofuplinkdata

ForwardRelocation7a.ForwardRelocationComplete8ModifyBearerModifyBearer ServingGWrelocationStesp8,9and10,

thefollowingUserPlanepath,wiblehandledbyTargetServingGW

9a.ModifyBearerModifyBearerUplinkandDownlinkUserPlaneBSSPacketFlowDeleteTrackingAreaUpdateDeleteSessionRequest13a.DeleteSessionResponseDeleteIndirectDataForwardingTunnel14a.DeleteIndirectDataForwardingTunnel 移动通 切ServingUplinkandDownlinkUserPlaneHandoverPSHandover

CreateSessionRequest4a.CreateSessionResponseHandoverHandover7a.DeleteSessionPSHandoverRequiredNegative 移动通

PacketDataHandoverRandomAccessProcedureinE-Resource

移动通信 课程内 移动通信 LTE与HRPD互操LTELTE->HRPD-> 移动通 小区重移动通信 小区重（SystemInformationBlockType8），还会广播 移动通信 小区重后在HRPD执行接入过方式2：UE已在目标HRPD网络建立dormantHRPD 移动通信 优化结构的空闲模式移动E-HRPDAccessE-HRPDAccess2.UEdecisiontoperformcellre-selection3.HRPDConnection4.A11Reg.Req.(ActivePMIPBindingPMIPBnding7.A11Reg.6a.PCEFInitiatedIP-CANSessionModificationProcedure8.HRPDTrafficChannel9HRPD10.HRPDConnectionS-4a.FetchingPDNGW1.UEisin11.P-GWinitiatesresourceallocationdeactivatione 移动通 重定HRPDHRPDHOHORRCConnectionreleasewithPerformPerformtrafficchannelacquisitioninHRPDHRPD 移动通信 切2Utrustd-3GP非优化切换，提供U与HRPUEHRDU优化切换：采用101/10接口支持U从-UTRNHRIHRPDU，并且通过IstrdTRU，以指示UHR预UHRDUE释放该UE-UTRAN到HRPD的优化切换，分为两个阶段：预阶段和切阶 移动通 阶 E-

HRPD

S-UEregisteredinMMEoranongoingdatasessionDecisiontopre-registerwithHRPD

HRPDRadioSessionEstablishmentSignalingUplink/DownlinkDirectTransferS1CDMA2000 A11/A10SignalingHRPDEA-AKA

DirectTransferS1CDMA2000 7.HRPDIPEstablishmentUplink/DownlinkDirectTransferS1CDMA2000 HRPDL2SessionUplink/DownlinkDirectTransferS1CDMA2000

GatewayControlSessionEstablshment9.PCRF

w.hrNcoMME

切换阶

CDMA-

HRPD

ModificationProcedure16.UEContext

17a.DeleteBearerRequest18.P-GW 移动通信 LTE与HRPD互操LTELTE->HRPD-> 移动通信 小区重E-UTRA频点1表示E-UTRA频点优先当PerChannePriorityIncluded为0E-UTRA小区所需要的最小接收电平当PerChannePriorityIncluded为0时，该参数无效E-TURA小区重选门当PerChannePriorityIncluded为0时，该参数无效E-TURA小区的测量带宽当PerChannelMBIncluded为0时，该参数无效Blacklist列表 移动通信 OptimizedIdleMode要 到E-UTRAN HRPD

HRPDRadioUEdecisiontoperformcellre-MessageX(AttachSameastheactivemodehandoverprocedureinfigure9.5-1step4~LTERadioTAU

ModifyBearerTAU 8.ModifyBearerReleaseofHRPD 移动通信 重定 移动通信 切 切换执

HRPDRadiotoE-UTRAN

MessageX(Attach5.Message

DirectTransfer(S101SessionID,DirectTransfer(S101Session

LocationupdateandSubscriberdataPCEFInitiatedIP-CANSessionModif