LTE inital Attach 过程 (2).docx

LTEinitalAttach过程（2）(2014-10-16 16:25:38) 转载标签： 转载原文地址：LTEinitalAttach过程（2）作者：lte2010eNodeB接收到MME的上述消息后，与UE进行AS层的安全层信令交互以及UE能力查询的过程(见另外的文章)。eNodeB向UE发送RRCConnectionReconfiguration 消息，建立SRB2和DRB，同时根据缺省的EPS Bearer的QoS属性以及UE的能力对DRB的RLC 及MAC、PHY层属性进行配置。在此消息里，如果NAS层的安全已经建立起来，还将携带经过安全保护的NAS层PDU，包括EMM的Attach Accept消息和ESM层的Activate Default EPS Bear Request 消息。在ESM消息中，包含了Default EPS 的QoS信息， APN， 分配给UE的IP地址等。rrcConnectionReconfiguration rrc_TransactionIdentifier = 0 criticalExtensions c1 rrcConnectionReconfiguration_r8 measConfig = Omit mobilityControlInfo = Omit dedicatedInfoNASList = Omit radioResourceConfigDedicated srb_ToAddModList SRB_ToAddMod srb_Identity = 2 建立SRB2 rlc_Config defaultValue = Null logicalChannelConfig defaultValue = Null drb_ToAddModList DRB_ToAddMod eps_BearerIdentity = 5 drb_Identity = 1 建立DRB，与Default EPS Bearer 联系起来 pdcp_Config discardTimer = infinity_ (7) rlc_AM statusReportRequired = True rlc_UM = Omit headerCompression notUsed = Null rlc_Config 对DRB进行RLC，MAC以及物理层等的设置，具体设置取值依赖与Default EPS Bearer的QoS属性。 am ul_AM_RLC t_PollRetransmit = ms80 (15) pollPDU = p128 (5) pollByte = kB125 (4) maxRetxThreshold = t4 (3) dl_AM_RLC t_Reordering = ms80 (16) t_StatusProhibit = ms60 (12) logicalChannelIdentity = 3 logicalChannelConfig ul_SpecificParameters priority = 13 prioritisedBitRate = infinity_ (7) bucketSizeDuration = ms100 (1) logicalChannelGroup = 2 drb_ToReleaseList = Omit mac_MainConfig explicitValue ul_SCH_Config maxHARQ_Tx = n5 (4) periodicBSR_Timer = sf20 (3) retxBSR_Timer = sf320 (0) ttiBundling = False drx_Config = Omit timeAlignmentTimerDedicated = sf750 (1) phr_Config setup periodicPHR_Timer = sf500 (5) prohibitPHR_Timer = sf200 (5) dl_PathlossChange = dB3 (1) sps_Config = Omit physicalConfigDedicated pdsch_ConfigDedicated = Omit pucch_ConfigDedicated = Omit pusch_ConfigDedicated = Omit uplinkPowerControlDedicated = Omit tpc_PDCCH_ConfigPUCCH setup tpc_RNTI = 0000001111111111B tpc_Index indexOfFormat3 = 1 tpc_PDCCH_ConfigPUSCH setup tpc_RNTI = 0000000111111010B tpc_Index indexOfFormat3 = 1 cqi_ReportConfig cqi_ReportModeAperiodic = rm30 (3) nomPDSCH_RS_EPRE_Offset = 0 cqi_ReportPeriodic setup cqi_PUCCH_ResourceIndex = 0 cqi_pmi_ConfigIndex = 25 cqi_FormatIndicatorPeriodic widebandCQI = Null ri_ConfigIndex = 483 simultaneousAckNackAndCQI = False soundingRS_UL_ConfigDedicated setup srs_Bandwidth = bw0 (0) srs_HoppingBandwidth = hbw0 (0) freqDomainPosition = 0 duration = True srs_ConfigIndex = 20 transmissionComb = 0 cyclicShift = cs0 (0) antennaInfo defaultValue = Null schedulingRequestConfig = Omit securityConfigHO = Omit nonCriticalExtension = Omit NAS_MSG_Request_Type SecurityProtection Status = 0010B Pdu Msg aTTACH_ACCEPT securityHeaderType = 0000B protocolDiscriminator = 0111B messageType = 01000010B spareHalfOctet = 0H epsAttachResult spare = 0B resultValue = 001B t3412 TAU更新定时器 iei = Omit unit = 111B timerValue = 00000B taiList iei = Omit iel = 06O spareBit = 0B typeOfList = 00B numberOfElements = 00000B partialTais PartialTaiList plmnId = 00F110O tacList NAS_Tac = 0001O esmMessage iei = Omit iel = 0000O esmPdu = O guti iei = 50O iel = 0BO idDigit1 = 1111B oddEvenInd = 0B typeOfId = 110B otherDigits = 00F11000010112345678O lai = Omit msIdentity = Omit emmCause = Omit t3402 = Omit t3423 = Omit equivalentPlmns = Omit emergencyNumberList = Omit PiggybackedPduList NAS_DL_Pdu_Type Msg aCTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST epsBearerId = 5H protocolDiscriminator = 0010B procedureTransactionIdentifier = 01O messageType = 11000001B epsQos iei = Omit iel = 09O qci = 00001001B maxBitRateUl = 01000000B maxBitRateDl = 01000000B guaranteedBitRateUl = 01000000B guaranteedBitRateDl = 01000000B maxBitRateUlExt = 00000000B maxBitRateDlExt = 00000000B guaranteedBitRateUlExt = 00000000B guaranteedBitRateDlExt = 00000000B accessPointName iei = Omit iel = 04O nameValue = 0361706EO pdnAdress iei = Omit iel = 0DO spare = 00000B typeValue = 011B adressInfo = 00000000142857ab00000000O transactionIdentifier = Omit negotiatedQos = Omit negotiatedLlcSapi = Omit radioPr