loading
正常呼叫流程（UE-L3消息）
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1 UE1
TD SCDMA RRC TD SCDMA RRC TD SCDMA RRC TD SCDMA MM TD SCDMA RRC TD SCDMA RRC TD SCDMA RRC TD SCDMA RRC TD SCDMA MM TD SCDMA MM TD SCDMA RRC TD SCDMA RRC TD SCDMA CC TD SCDMA CC TD SCDMA RRC TD SCDMA RRC TD SCDMA CC TD SCDMA CC TD SCDMA CC TD SCDMA CC
↑ ↓ ↑ ↑ ↓ ↓ ↓ ↓ ↓ ↑ ↓ ↑ ↑ ↓ ↓ ↑ ↓ ↓ ↓ ↑
RRC Connection Request RRC Connection Setup
RRC Connection Setup Complete CM Service Request Measurement Control Measurement Control Measurement Control Measurement Control Identity Request Identity Response Security Mode Command Security Mode Complete Setup
Call Proceeding
Radio Bearer Setup (DL-DCCH) Radio Bearer Setup Complete Progress Alerting Connect
Connect Acknowledge
以下是各条消息的详细解码 1 RRC ↑ RRC Connection Request
UL-CCCH-Message
message rrcConnectionRequest : initialUE-Identity p-TMSI-and-RAI : p-TMSI '11000000 00100000 00000000 00000000'B, rai lai plmn-Identity mcc 4, 6, 0 mnc 0, 7 lac '01110101 00110001'B rac '00000001'B establishmentCause originatingConversationalCall,（RRC建立原因为话音主叫业务） protocolErrorIndicator noError, measuredResultsOnRACH currentCell modeSpecificInfo tdd : primaryCCPCH-RSCP 37 （当前小区PCCPCH的RSCP） monitoredCells --- modeSpecificInfo tdd : cellParametersID 71,（服务小区的扰码） primaryCCPCH-RSCP 0
v3d0NonCriticalExtensions rRCConnectionRequest-v3d0ext uESpecificBehaviourInformation1idle '0000'B v4b0NonCriticalExtensions rrcConnectionRequest-v4b0ext accessStratumReleaseIndicator rel-4 nonCriticalExtensions
2 RRC ↓
RRC Connection Setup
DL-CCCH-Message
message rrcConnectionSetup : later-than-r3 : initialUE-Identity p-TMSI-and-RAI : p-TMSI '11000000 00100000 00000000 00000000'B, rai lai plmn-Identity mcc 4, 6, 0 mnc 0, 7 lac '01110101 00110001'B rac '00000001'B rrc-TransactionIdentifier 0, criticalExtensions r4 : rrcConnectionSetup-r4 new-U-RNTI srnc-Identity '00000000 1010'B, s-RNTI '00010000 10011110 0000'B rrc-StateIndicator cell-DCH, utran-DRX-CycleLengthCoeff 3, capabilityUpdateRequirement ue-RadioCapabilityFDDUpdateRequirement-FDD FALSE, ue-RadioCapabilityTDDUpdateRequirement-TDD384 FALSE, ue-RadioCapabilityTDDUpdateRequirement-TDD128 TRUE（UE的制式为1.28M TD-SCDMA） srb-InformationSetupList ---（以下都是层2及以下的配置数据） rb-Identity 1, rlc-InfoChoice rlc-Info : ul-RLC-Mode ul-UM-RLC-Mode : dl-RLC-Mode dl-UM-RLC-Mode : NULL rb-MappingInfo --- ul-LogicalChannelMappings oneLogicalChannel : ul-TransportChannelType dch : 1, logicalChannelIdentity 1, rlc-SizeList configured : NULL, mac-LogicalChannelPriority 4 dl-LogicalChannelMappingList --- dl-TransportChannelType dch : 1, logicalChannelIdentity 1
---
ul-LogicalChannelMappings oneLogicalChannel :
ul-TransportChannelType rach : NULL, logicalChannelIdentity 1, rlc-SizeList explicitList :
---
rlc-SizeIndex 1
mac-LogicalChannelPriority 4 dl-LogicalChannelMappingList
---
dl-TransportChannelType fach : NULL, logicalChannelIdentity 1
---
rb-Identity 2,
rlc-InfoChoice rlc-Info :
ul-RLC-Mode ul-AM-RLC-Mode :
transmissionRLC-Discard noDiscard : dat15, transmissionWindowSize tw64, timerRST tr500, max-RST rst16, pollingInfo
timerPoll tp200, poll-SDU sdu1,
lastTransmissionPDU-Poll TRUE, lastRetransmissionPDU-Poll TRUE, pollWindow pw70
dl-RLC-Mode dl-AM-RLC-Mode :
inSequenceDelivery TRUE, receivingWindowSize rw64, dl-RLC-StatusInfo
missingPDU-Indicator TRUE
rb-MappingInfo
---
ul-LogicalChannelMappings oneLogicalChannel :
ul-TransportChannelType dch : 1, logicalChannelIdentity 2,
rlc-SizeList configured : NULL, mac-LogicalChannelPriority 1 dl-LogicalChannelMappingList
---
dl-TransportChannelType dch : 1, logicalChannelIdentity 2
---
ul-LogicalChannelMappings oneLogicalChannel :
ul-TransportChannelType rach : NULL, logicalChannelIdentity 2, rlc-SizeList explicitList :
---
rlc-SizeIndex 1
mac-LogicalChannelPriority 2 dl-LogicalChannelMappingList
---
dl-TransportChannelType fach : NULL, logicalChannelIdentity 2
---
rb-Identity 3,
rlc-InfoChoice rlc-Info :
ul-RLC-Mode ul-AM-RLC-Mode :
transmissionRLC-Discard noDiscard : dat15, transmissionWindowSize tw64, timerRST tr500, max-RST rst16, pollingInfo
timerPoll tp200, poll-SDU sdu1,
lastTransmissionPDU-Poll TRUE, lastRetransmissionPDU-Poll TRUE, pollWindow pw70
dl-RLC-Mode dl-AM-RLC-Mode :
inSequenceDelivery TRUE, receivingWindowSize rw64, dl-RLC-StatusInfo
missingPDU-Indicator TRUE
rb-MappingInfo
---
ul-LogicalChannelMappings oneLogicalChannel :
ul-TransportChannelType dch : 1, logicalChannelIdentity 3,
rlc-SizeList configured : NULL, mac-LogicalChannelPriority 2 dl-LogicalChannelMappingList
---
dl-TransportChannelType dch : 1, logicalChannelIdentity 3
---
ul-LogicalChannelMappings oneLogicalChannel :
ul-TransportChannelType rach : NULL, logicalChannelIdentity 3, rlc-SizeList explicitList :
---
rlc-SizeIndex 1
mac-LogicalChannelPriority 1 dl-LogicalChannelMappingList
---
dl-TransportChannelType fach : NULL, logicalChannelIdentity 3
---
rb-Identity 4,
rlc-InfoChoice rlc-Info :
ul-RLC-Mode ul-AM-RLC-Mode :
transmissionRLC-Discard noDiscard : dat15, transmissionWindowSize tw64, timerRST tr500, max-RST rst16, pollingInfo
timerPoll tp200, poll-SDU sdu1,
lastTransmissionPDU-Poll TRUE, lastRetransmissionPDU-Poll TRUE, pollWindow pw70