LTE信令基础知识

目录MIB主信息块...........................................................................................................................2systemInformationBlockType1SIB1........................................................................................2SI-sib2:......................................................................................................................................4SI-sib5:......................................................................................................................................8SI-sib6/sib7:..............................................................................................................................9ATTACH流程详解...................................................................................................................13attachRequest:....................................................................................................................13rrcConnectionRequest:.......................................................................................................16rrcConnectionSetup:...........................................................................................................16rrcConnectionSetupComplete:...........................................................................................20dlInformationTransfer:.......................................................................................................20authenticationRequest:......................................................................................................21authenticationResponse:....................................................................................................21ulInformationTransfer:.......................................................................................................21securityModeCommand:....................................................................................................22securityModeComplete:.....................................................................................................24ueCapabilityEnquiry:..........................................................................................................24ueCapabilityInformation:...................................................................................................25rrcConnectionReconfiguration:..........................................................................................25rrcConnectionReconfigurationComplete:..........................................................................28attachAccept:......................................................................................................................29activateDefaultEPSBearerContextRequest:.......................................................................31activateDefaultEPSBearerContextAccept:.........................................................................33attachComplete:.................................................................................................................33MIB主信息块{msgstruBCCH-BCH-Message:{struBCCH-BCH-Message{message{dl-Bandwidthn100,phich-Config{phich-Durationnormal,phich-Resourceone},systemFrameNumber'11100101'B,spare'0000000000'B}}}}systemInformationBlockType1SIB1{msgstruBCCH-DL-SCH-Message:{struBCCH-DL-SCH-Message{messagec1:systemInformationBlockType1:{cellAccessRelatedInfo{plmn-IdentityList{{plmn-Identity{mcc{4,6,0},mnc{0,0}},cellReservedForOperatorUsenotReserved}},trackingAreaCode'0111100000011110'B,cellIdentity'0111100000000000110000001011'B,cellBarrednotBarred,intraFreqReselectionallowed,csg-IndicationFALSE},cellSelectionInfo{q-RxLevMin-64},freqBandIndicator39,schedulingInfoList{{si-Periodicityrf16,sib-MappingInfo{sibType3}},{si-Periodicityrf32,sib-MappingInfo{sibType5}},{si-Periodicityrf64,sib-MappingInfo{sibType6,sibType7}}},tdd-Config{subframeAssignmentsa2,specialSubframePatternsssp5},si-WindowLengthms40,systemInfoValueTag2}}}}SI-sib2:{msgstruBCCH-DL-SCH-Message:{struBCCH-DL-SCH-Message{messagec1:systemInformation:{criticalExtensionssystemInformation-r8:{sib-TypeAndInfo{sib2:{radioResourceConfigCommon{rach-ConfigCommon{preambleInfo{numberOfRA-Preamblesn52,preamblesGroupAConfig{sizeOfRA-PreamblesGroupAn28,messageSizeGroupAb56,messagePowerOffsetGroupBdB10}},powerRampingParameters{powerRampingStepdB2,preambleInitialReceivedTargetPowerdBm-104},ra-SupervisionInfo{preambleTransMaxn10,ra-ResponseWindowSizesf10,mac-ContentionResolutionTimersf64},maxHARQ-Msg3Tx5},bcch-Config{modificationPeriodCoeffn2},pcch-Config{defaultPagingCyclerf128,nBoneT},prach-Config{rootSequenceIndex391,prach-ConfigInfo{prach-ConfigIndex3,highSpeedFlagFALSE,zeroCorrelationZoneConfig7,prach-FreqOffset8}},pdsch-ConfigCommon{referenceSignalPower15,p-b1},pusch-ConfigCommon{pusch-ConfigBasic{n-SB4,hoppingModeinterSubFrame,pusch-HoppingOffset26,enable64QAMTRUE},ul-ReferenceSignalsPUSCH{groupHoppingEnabledFALSE,groupAssignmentPUSCH0,sequenceHoppingEnabledFALSE,cyclicShift0}},pucch-ConfigCommon{deltaPUCCH-Shiftd