Try   HackMD

CHT NB-IoT Procedure
BMW Lab.@NTUST

tags: Testing

Image Not Showing Possible Reasons
  • The image file may be corrupted
  • The server hosting the image is unavailable
  • The image path is incorrect
  • The image format is not supported
Learn More →

Image Not Showing Possible Reasons
  • The image file may be corrupted
  • The server hosting the image is unavailable
  • The image path is incorrect
  • The image format is not supported
Learn More →

First connection

MIB (5 bytes)


















BCCH-BCH-Message-NB
{
  message 
  {
    systemFrameNumber-MSB-r13 '1001'B,
    hyperSFN-LSB-r13 '11'B,
    schedulingInfoSIB1-r13 2,
    systemInfoValueTag-r13 8,
    ab-Enabled-r13 FALSE,
    operationModeInfo-r13 inband-SamePCI-r13 : 
    {
      eutra-CRS-SequenceInfo-r13 22
    },
    spare '00000000 000'B
  }
}

SIB1(26 bytes)

36.213 Table 16.4.1.5.2-1
schedulingInfoSIB1-r13 2 -> 208bits(26 bytes)

SIB23(41 bytes)


















































































































































































BCCH-DL-SCH-Message-NB
{
  message c1 : systemInformation-r13 : 
  {
    criticalExtensions systemInformation-r13 : 
    {
      sib-TypeAndInfo-r13 
      {
        sib2-r13 : 
        {
          radioResourceConfigCommon-r13 
          {
            rach-ConfigCommon-r13 
            {
              preambleTransMax-CE-r13 n10,
              powerRampingParameters-r13 
              {
                powerRampingStep dB4,
                preambleInitialReceivedTargetPower dBm-110
              },
              rach-InfoList-r13 
              {
                {
                  ra-ResponseWindowSize-r13 pp8,
                  mac-ContentionResolutionTimer-r13 pp32
                },
                {
                  ra-ResponseWindowSize-r13 pp8,
                  mac-ContentionResolutionTimer-r13 pp32
                },
                {
                  ra-ResponseWindowSize-r13 pp8,
                  mac-ContentionResolutionTimer-r13 pp32
                }
              },
              connEstFailOffset-r13 0
            },
            bcch-Config-r13 
            {
              modificationPeriodCoeff-r13 n16
            },
            pcch-Config-r13 
            {
              defaultPagingCycle-r13 rf256,
              nB-r13 oneT,
              npdcch-NumRepetitionPaging-r13 r256
            },
            nprach-Config-r13 
            {
              nprach-CP-Length-r13 us266dot7,
              rsrp-ThresholdsPrachInfoList-r13 
              {
                25,
                13
              },
              nprach-ParametersList-r13 
              {
                {
                  nprach-Periodicity-r13 ms320,
                  nprach-StartTime-r13 ms256,
                  nprach-SubcarrierOffset-r13 n36,
                  nprach-NumSubcarriers-r13 n12,
                  nprach-SubcarrierMSG3-RangeStart-r13 twoThird,
                  maxNumPreambleAttemptCE-r13 n10,
                  numRepetitionsPerPreambleAttempt-r13 n1,
                  npdcch-NumRepetitions-RA-r13 r8,
                  npdcch-StartSF-CSS-RA-r13 v2,
                  npdcch-Offset-RA-r13 zero
                },
                {
                  nprach-Periodicity-r13 ms640,
                  nprach-StartTime-r13 ms256,
                  nprach-SubcarrierOffset-r13 n24,
                  nprach-NumSubcarriers-r13 n12,
                  nprach-SubcarrierMSG3-RangeStart-r13 twoThird,
                  maxNumPreambleAttemptCE-r13 n10,
                  numRepetitionsPerPreambleAttempt-r13 n8,
                  npdcch-NumRepetitions-RA-r13 r64,
                  npdcch-StartSF-CSS-RA-r13 v1dot5,
                  npdcch-Offset-RA-r13 zero
                },
                {
                  nprach-Periodicity-r13 ms2560,
                  nprach-StartTime-r13 ms256,
                  nprach-SubcarrierOffset-r13 n12,
                  nprach-NumSubcarriers-r13 n12,
                  nprach-SubcarrierMSG3-RangeStart-r13 twoThird,
                  maxNumPreambleAttemptCE-r13 n10,
                  numRepetitionsPerPreambleAttempt-r13 n32,
                  npdcch-NumRepetitions-RA-r13 r512,
                  npdcch-StartSF-CSS-RA-r13 v1dot5,
                  npdcch-Offset-RA-r13 zero
                }
              }
            },
            npdsch-ConfigCommon-r13 
            {
              nrs-Power-r13 24
            },
            npusch-ConfigCommon-r13 
            {
              ack-NACK-NumRepetitions-Msg4-r13 
              {
                r1,
                r2,
                r32
              },
              ul-ReferenceSignalsNPUSCH-r13 
              {
                groupHoppingEnabled-r13 FALSE,
                groupAssignmentNPUSCH-r13 0
              }
            },
            uplinkPowerControlCommon-r13 
            {
              p0-NominalNPUSCH-r13 -103,
              alpha-r13 al1,
              deltaPreambleMsg3-r13 6
            },
            nprach-Config-v1330 
            {
              nprach-ParametersList-v1330 
              {
                {
                  nprach-NumCBRA-StartSubcarriers-r13 n12
                },
                {
                  nprach-NumCBRA-StartSubcarriers-r13 n12
                },
                {
                  nprach-NumCBRA-StartSubcarriers-r13 n12
                }
              }
            }
          },
          ue-TimersAndConstants-r13 
          {
            t300-r13 ms40000,
            t301-r13 ms2500,
            t310-r13 ms8000,
            n310-r13 n20,
            t311-r13 ms1000,
            n311-r13 n1
          },
          freqInfo-r13 
          {
            ul-CarrierFreq-r13 
            {
              carrierFreq-r13 21606,
              carrierFreqOffset-r13 v-2
            },
            additionalSpectrumEmission-r13 1
          },
          timeAlignmentTimerCommon-r13 infinity
        },
        sib3-r13 : 
        {
          cellReselectionInfoCommon-r13 
          {
            q-Hyst-r13 dB0
          },
          cellReselectionServingFreqInfo-r13 
          {
            s-NonIntraSearch-r13 0
          },
          intraFreqCellReselectionInfo-r13 
          {
            q-RxLevMin-r13 -70,
            s-IntraSearchP-r13 0,
            t-Reselection-r13 s6
          }
        }
      }
    }
  }
}

NAS_DEBUG_NAS_MSG -> L3_EMM_ATTACH_REQ(47 bytes)

RRCConnectionRequest(9 bytes, UEIdentity)













UL-CCCH-Message-NB
{
  message c1 : rrcConnectionRequest-r13 : 
  {
    criticalExtensions rrcConnectionRequest-r13 : 
    {
      ue-Identity-r13 randomValue : '10110110 01110110 11101000 01011111 01000100'B,
      establishmentCause-r13 mo-Signalling,
      spare '00000000 00000000 000000'B
    }
  }
}

RRCConnectionSetup (10 bytes)
































































DL-CCCH-Message-NB
{
  message c1 : rrcConnectionSetup-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : rrcConnectionSetup-r13 : 
    {
      radioResourceConfigDedicated-r13 
      {
        srb-ToAddModList-r13 
        {
          {
            rlc-Config-r13 explicitValue : am : 
            {
              ul-AM-RLC-r13 
              {
                t-PollRetransmit-r13 ms6000,
                maxRetxThreshold-r13 t2
              },
              dl-AM-RLC-r13 
              {
              }
            },
            logicalChannelConfig-r13 defaultValue : NULL
          }
        },
        mac-MainConfig-r13 explicitValue-r13 : 
        {
          ul-SCH-Config-r13 
          {
            periodicBSR-Timer-r13 pp8,
            retxBSR-Timer-r13 pp512
          },
          timeAlignmentTimerDedicated-r13 infinity,
          logicalChannelSR-Config-r13 setup : 
          {
            logicalChannelSR-ProhibitTimer-r13 pp8
          }
        },
        physicalConfigDedicated-r13 
        {
          npdcch-ConfigDedicated-r13 
          {
            npdcch-NumRepetitions-r13 r16,
            npdcch-StartSF-USS-r13 v2,
            npdcch-Offset-USS-r13 zero
          },
          npusch-ConfigDedicated-r13 
          {
            ack-NACK-NumRepetitions-r13 r4,
            npusch-AllSymbols-r13 TRUE,
            groupHoppingDisabled-r13 true
          },
          uplinkPowerControlDedicated-r13 
          {
            p0-UE-NPUSCH-r13 0
          }
        }
      }
    }
  }
}

RRCConnectionSetupComplete (51 bytes)














UL-DCCH-Message-NB
{
  message c1 : rrcConnectionSetupComplete-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions rrcConnectionSetupComplete-r13 : 
    {
      selectedPLMN-Identity-r13 1,
      dedicatedInfoNAS-r13 '07417108496629740000708506F0F0000008A4000F0201D011D07B000780001000001600F5C16A01055E01416E0175'H
    }
  }
}

UECapabilityEnquiry(2 bytes)












DL-DCCH-Message-NB
{
  message c1 : ueCapabilityEnquiry-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : ueCapabilityEnquiry-r13 : 
    {
    }
  }
}

36.331 v13.8.1

UECapabilityInformation(6 bytes)




































UL-DCCH-Message-NB
{
  message c1 : ueCapabilityInformation-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions ueCapabilityInformation-r13 : 
    {
      ue-Capability-Container-r13 
      {
        accessStratumRelease-r13 rel13,
        ue-Category-NB-r13 nb1,
        phyLayerParameters-r13 
        {
        },
        rf-Parameters-r13 
        {
          supportedBandList-r13 
          {
            {
              band-r13 8
            }
          }
        },
        nonCriticalExtension 
        {
        }
      },
      ue-RadioPagingInfo-r13 
      {
        ue-Category-NB-r13 nb1
      }
    }
  }
}

36.331 v13.8.1


DLInformationTransfer- Authentication Request(39 bytes)













DL-DCCH-Message-NB
{
  message c1 : dlInformationTransfer-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : dlInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '075200B9FCE0950212B6CFE89C92096678BD22109D7C1AFD7829800174C7ED0E442FCB8D'H
    }
  }
}

NAS_DBG_NAS_MSG -> L3_EMM_AUTH_REQ (36 bytes)

NAS_DEG_NAS_MSG -> L3_EMM_AUTH_RSP (11 bytes)

ULInformationTransfer- Authentication Response (13 bytes)












UL-DCCH-Message-NB
{
  message c1 : ulInformationTransfer-r13 : 
  {
    criticalExtensions ulInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '0753080BC3E0738A9E59F9'H
    }
  }
}

DLInformationTransfer-NASSecutiryMode Command(17 bytes)













DL-DCCH-Message-NB
{
  message c1 : dlInformationTransfer-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : dlInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '27BE7651A6029908C4E5E1B8744F957BCAD5EEDB66A9665A174657'H
    }
  }
}

NAS_DBG_NAS_MSG -> L3_EMM_SECURITY_MODE_CMD(8 bytes)

NAS_DBG_NAS_MSG -> L3_EMM_SECURITY_MODE_COMPLETE(13 bytes)

ULInformationTransfer-NASSecurityMode Complete(21 bytes)












UL-DCCH-Message-NB
{
  message c1 : ulInformationTransfer-r13 : 
  {
    criticalExtensions ulInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '47822611C200F2F10BAFACB5D366D7ADC211DC'H
    }
  }
}

DLInformationTransfer-Attach Accept(97 bytes)












DL-DCCH-Message-NB
{
  message c1 : dlInformationTransfer-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : dlInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '27E6B6410C016392441A15ACC31D8EA7AEEBC897897D22B3119B9780DED76AD947F4BBAA08BE300689D594BFC09E534E60D550F21B3C4F431A712BBA0C56AB3B802D0291E3825969A3DFB7807B4A46B0618B09EB26DC9B077D2F6144932D'H
    }
  }
}

NAS_DBG_NAS_MSG -> L3_EMM_ATTACH_ACCEPT(88 bytes)

NAS_DBG_NAS_MSG -> L3_EMM_ATTACH_COMPLETE(7 bytes)

ULInformationTransfer-Attach Complete(15 bytes)












UL-DCCH-Message-NB
{
  message c1 : ulInformationTransfer-r13 : 
  {
    criticalExtensions ulInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '270EEC4584017A330952F57927'H
    }
  }
}

DLInformationTransfer-Information(30 bytes)













DL-DCCH-Message-NB
{
  message c1 : dlInformationTransfer-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : dlInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '27BE7651A6029908C4E5E1B8744F957BCAD5EEDB66A9665A174657'H
    }
  }
}

NAS_DBG_NAS_MSG -> L3_EMM_INFORMATION(21 bytes)

RRCConnectionRelease(2 bytes)












DL-DCCH-Message-NB
{
  message c1 : rrcConnectionRelease-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : rrcConnectionRelease-r13 : 
    {
      releaseCause-r13 other
    }
  }
}

Second connection

MIB(5 bytes)


















BCCH-BCH-Message-NB
{
  message 
  {
    systemFrameNumber-MSB-r13 '0100'B,
    hyperSFN-LSB-r13 '01'B,
    schedulingInfoSIB1-r13 2,
    systemInfoValueTag-r13 8,
    ab-Enabled-r13 FALSE,
    operationModeInfo-r13 inband-SamePCI-r13 : 
    {
      eutra-CRS-SequenceInfo-r13 22
    },
    spare '00000000 000'B
  }
}

NAS_DBG_NAS_MSG -> L3_EMM_CONTROL_PLANE_SERVICE_REQ(51 bytes)

RRCConnectionRequest (9bytes, UE-Identity s-TMSI)


















UL-CCCH-Message-NB
{
  message c1 : rrcConnectionRequest-r13 : 
  {
    criticalExtensions rrcConnectionRequest-r13 : 
    {
      ue-Identity-r13 s-TMSI : 
      {
        mmec '00000001'B,
        m-TMSI '11010110 10111100 10111011 10000100'B
      },
      establishmentCause-r13 mo-Data,
      spare '00000000 00000000 000000'B
    }
  }
}

RRCConnectionSetup(10 bytes, same as before)

RRCConnectionSetupComplete(66 bytes, s-TMSI)



















UL-DCCH-Message-NB
{
  message c1 : rrcConnectionSetupComplete-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions rrcConnectionSetupComplete-r13 : 
    {
      selectedPLMN-Identity-r13 1,
      s-TMSI-r13 
      {
        mmec '00000001'B,
        m-TMSI '11010110 10111100 10111011 10000100'B
      },
      dedicatedInfoNAS-r13 '579F09E8E803074D007800299DFE3723B1B17230A3C644F2E31ED812A85FBC006CD5D2B7B4DF70F7B00B52DBA512F1BF4F292C948E57022000'H
    }
  }
}

DLInformationTransfer-SERVICE ACCEPT(15 bytes)












DL-DCCH-Message-NB
{
  message c1 : dlInformationTransfer-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : dlInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '27392A9536034427F2EFF4DE'H
    }
  }
}

DLInformationTransfer-DATA TRANSPORT(50 bytes)













DL-DCCH-Message-NB
{
  message c1 : dlInformationTransfer-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : dlInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '27458B9AFE041F8E442E6CDA60A4837462AF77532B7C085E2A5B3FB72A838B19F87BF90523CDBFFBF937A043CB69CA'H
    }
  }
}

NAS_DBG_NAS_MSG -> L3_EMM_SERVICE_ACCEPT(6 bytes)

NAS_DBG_NAS_MSG -> L3_ESM_DATA_TRANSPORT(41 bytes)

RRCConnectionRelease(2 bytes, same as before)












DL-DCCH-Message-NB
{
  message c1 : rrcConnectionRelease-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : rrcConnectionRelease-r13 : 
    {
      releaseCause-r13 other
    }
  }
}

Third connection

MIB(5 bytes)

BCCH-BCH-Message-NB
{
  message 
  {
    systemFrameNumber-MSB-r13 '0101'B,
    hyperSFN-LSB-r13 '00'B,
    schedulingInfoSIB1-r13 2,
    systemInfoValueTag-r13 8,
    ab-Enabled-r13 FALSE,
    operationModeInfo-r13 inband-SamePCI-r13 : 
    {
      eutra-CRS-SequenceInfo-r13 22
    },
    spare '00000000 000'B
  }
}

NAS_DBG_NAS_MSG -> L3_EMM_CONTROL_PLANE_SERVICE_REQ(51 bytes)

RRCConnectionRequest (9bytes, UE-Identity s-TMSI same as second connection)


















UL-CCCH-Message-NB
{
  message c1 : rrcConnectionRequest-r13 : 
  {
    criticalExtensions rrcConnectionRequest-r13 : 
    {
      ue-Identity-r13 s-TMSI : 
      {
        mmec '00000001'B,
        m-TMSI '11010110 10111100 10111011 10000100'B
      },
      establishmentCause-r13 mo-Data,
      spare '00000000 00000000 000000'B
    }
  }
}

RRCConnectionSetup(10 bytes, same as second connection)

































































DL-CCCH-Message-NB
{
  message c1 : rrcConnectionSetup-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : rrcConnectionSetup-r13 : 
    {
      radioResourceConfigDedicated-r13 
      {
        srb-ToAddModList-r13 
        {
          {
            rlc-Config-r13 explicitValue : am : 
            {
              ul-AM-RLC-r13 
              {
                t-PollRetransmit-r13 ms6000,
                maxRetxThreshold-r13 t2
              },
              dl-AM-RLC-r13 
              {
              }
            },
            logicalChannelConfig-r13 defaultValue : NULL
          }
        },
        mac-MainConfig-r13 explicitValue-r13 : 
        {
          ul-SCH-Config-r13 
          {
            periodicBSR-Timer-r13 pp8,
            retxBSR-Timer-r13 pp512
          },
          timeAlignmentTimerDedicated-r13 infinity,
          logicalChannelSR-Config-r13 setup : 
          {
            logicalChannelSR-ProhibitTimer-r13 pp8
          }
        },
        physicalConfigDedicated-r13 
        {
          npdcch-ConfigDedicated-r13 
          {
            npdcch-NumRepetitions-r13 r4,
            npdcch-StartSF-USS-r13 v4,
            npdcch-Offset-USS-r13 zero
          },
          npusch-ConfigDedicated-r13 
          {
            ack-NACK-NumRepetitions-r13 r4,
            npusch-AllSymbols-r13 TRUE,
            groupHoppingDisabled-r13 true
          },
          uplinkPowerControlDedicated-r13 
          {
            p0-UE-NPUSCH-r13 0
          }
        }
      }
    }
  }
}

RRCConnectionSetupComplete(66 bytes, s-TMSI same as second connection)



















UL-DCCH-Message-NB
{
  message c1 : rrcConnectionSetupComplete-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions rrcConnectionSetupComplete-r13 : 
    {
      selectedPLMN-Identity-r13 1,
      s-TMSI-r13 
      {
        mmec '00000001'B,
        m-TMSI '11010110 10111100 10111011 10000100'B
      },
      dedicatedInfoNAS-r13 '579F09E8E803074D007800299DFE3723B1B17230A3C644F2E31ED812A85FBC006CD5D2B7B4DF70F7B00B52DBA512F1BF4F292C948E57022000'H
    }
  }
}

DLInformationTransfer-SERVICE ACCEPT(15 bytes)












DL-DCCH-Message-NB
{
  message c1 : dlInformationTransfer-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : dlInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '27392A9536034427F2EFF4DE'H
    }
  }
}

NAS_DBG_NAS_MSG -> L3_EMM_SERVICE_ACCEPT(6 bytes)

DLInformationTransfer-DATA TRANSPORT(50 bytes)













DL-DCCH-Message-NB
{
  message c1 : dlInformationTransfer-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : dlInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '27458B9AFE041F8E442E6CDA60A4837462AF77532B7C085E2A5B3FB72A838B19F87BF90523CDBFFBF937A043CB69CA'H
    }
  }
}

NAS_DBG_NAS_MSG -> L3_ESM_DATA_TRANSPORT(41 bytes)

NAS_DBG_NAS_MSG -> L3_ESM_DATA_TRANSPORT(41 bytes)

ULInformationTransfer-DATA TRANSPORT(49 bytes)











UL-DCCH-Message-NB
{
  message c1 : ulInformationTransfer-r13 : 
  {
    criticalExtensions ulInformationTransfer-r13 : 
    {
      dedicatedInfoNAS-r13 '2726CEACA204831DCEDA4A372CCEF8A2A101B97A5B31E0E6D39F83D98A97652F999E472A41B8563F60CFE3490C9676'H
    }
  }
}

DLInformationTransfer-DATA TRANSPORT(50 bytes)

NAS_DBG_NAS_MSG -> L3_ESM_DATA_TRANSPORT(41 bytes)

NAS_DBG_NAS_MSG -> L3_ESM_DATA_TRANSPORT(41 bytes)

ULInformationTransfer-DATA TRANSPORT(49 bytes)

RRCConnectionRelease(2 bytes, same as before)












DL-DCCH-Message-NB
{
  message c1 : rrcConnectionRelease-r13 : 
  {
    rrc-TransactionIdentifier 0,
    criticalExtensions c1 : rrcConnectionRelease-r13 : 
    {
      releaseCause-r13 other
    }
  }
}
Last changed by 
 
ChiehChun
0
1
1236
Published on HackMD