LTE sib2 ULI for NR

 

 https://blog.3g4g.co.uk/2019/09/when-does-your-5g-nsa-device-show-5g.html

https://blog.wirelessmoves.com/2018/04/how-does-an-lte-enb-signal-endc.html

 

In Rel-15 upperLayerIndication is only used to indicate UE that the E-UTRAN cell is EN-DC capable. ( adica suporta 5G)

 

3GPP TS 36.331 V15.6.0 (2019-06)

Evolved Universal Terrestrial Radio Access (E-UTRA);
Radio Resource Control (RRC);
Protocol specification
(Release 15)
 

 SystemInformationBlockType2

The IE SystemInformationBlockType2 contains radio resource configuration information that is common for all UEs.


}

PLMN-InfoList-r15 ::=            SEQUENCE (SIZE (1..maxPLMN-r11)) OF PLMN-Info-r15

PLMN-Info-r15 ::=         SEQUENCE {
    upperLayerIndication-r15         ENUMERATED {true}         OPTIONAL       -- Need OR
}

 

Orange Romania  NSG Screenshot:


  • Vodafone Romania,  HUA Radio, SIB2: upperLayerIndication-r15 : present on some cells; Screenshot below. (UE displays 5G when 5G carrier is added. Blind or measurement based addition. If blind then it then just adds the carrier, if measurement based then it sets up a B1 trigger for NR and if triggered then it adds the carriers)



VDF RO sib2 ULI in for 2 4G cells (HUA Radio) : present vs not present

  • Digi Mobil Romania, Huawei Radio SIB 2: upperLayerIndication-r15 : not present
  • Digi Mobil Romania, E/// Radio SIB 2: upperLayerIndication-r15 : present
  • Orange Romania: Huawei Radio in Bucharest: upperLayerIndication-r15 : present




LTE RRC OTA Packet
  version : 26
  rrcRelNum : 15
  rrcVerNum : 40
  nrRrcRelNum : 15
  nrRrcVerNum : 41
  rbId : 0
  phyCellId : 320
  freq : 103
  sfn : 48128
  pduNum : 3
  sibMaskInSi : 12
  msgLen : 55
  Channel : 2
  bcch-dl-sch
    message -> c1 -> systemInformation
      criticalExtensions -> systemInformation-r8
        sib-TypeAndInfo[0]
          sib2
            radioResourceConfigCommon
              rach-ConfigCommon
                preambleInfo
                  numberOfRA-Preambles : n52
                powerRampingParameters
                  powerRampingStep : dB4
                  preambleInitialReceivedTargetPower : dBm-110
                ra-SupervisionInfo
                  preambleTransMax : n10
                  ra-ResponseWindowSize : sf10
                  mac-ContentionResolutionTimer : sf64
                maxHARQ-Msg3Tx : 4
              bcch-Config
                modificationPeriodCoeff : n2
              pcch-Config
                defaultPagingCycle : rf128
                nB : oneT
              prach-Config
                rootSequenceIndex : 790
                prach-ConfigInfo
                  prach-ConfigIndex : 3
                  highSpeedFlag : false
                  zeroCorrelationZoneConfig : 12
                  prach-FreqOffset : 2
              pdsch-ConfigCommon
                referenceSignalPower : 20
                p-b : 2
              pusch-ConfigCommon
                pusch-ConfigBasic
                  n-SB : 1
                  hoppingMode : interSubFrame
                  pusch-HoppingOffset : 0
                  enable64QAM : true
                ul-ReferenceSignalsPUSCH
                  groupHoppingEnabled : true
                  groupAssignmentPUSCH : 0
                  sequenceHoppingEnabled : false
                  cyclicShift : 0
              pucch-ConfigCommon
                deltaPUCCH-Shift : ds1
                nRB-CQI : 1
                nCS-AN : 0
                n1PUCCH-AN : 16
              soundingRS-UL-ConfigCommon -> release : null
              uplinkPowerControlCommon
                p0-NominalPUSCH : -100
                alpha : al1
                p0-NominalPUCCH : -110
                deltaFList-PUCCH
                  deltaF-PUCCH-Format1 : deltaF0
                  deltaF-PUCCH-Format1b : deltaF3
                  deltaF-PUCCH-Format2 : deltaF0
                  deltaF-PUCCH-Format2a : deltaF0
                  deltaF-PUCCH-Format2b : deltaF0
                deltaPreambleMsg3 : 6
              ul-CyclicPrefixLength : len1
              uplinkPowerControlCommon-v1020
                deltaF-PUCCH-Format3-r10 : deltaF0
                deltaF-PUCCH-Format1bCS-r10 : deltaF2
              pusch-ConfigCommon-v1270
                enable64QAM-v1270 : true
            ue-TimersAndConstants
              t300 : ms1000
              t301 : ms600
              t310 : ms2000
              n310 : n20
              t311 : ms10000
              n311 : n1
            freqInfo
              additionalSpectrumEmission : 1
            timeAlignmentTimerCommon : infinity
            lateNonCriticalExtension
              multiBandInfoList[0] : 1
            plmn-InfoList-r15[0]
              upperLayerIndication-r15 : true
        sib-TypeAndInfo[1]
          sib3
            cellReselectionInfoCommon
              q-Hyst : dB4
            cellReselectionServingFreqInfo
              s-NonIntraSearch : 8
              threshServingLow : 7
              cellReselectionPriority : 6
            intraFreqCellReselectionInfo
              q-RxLevMin : -64
              allowedMeasBandwidth : mbw50
              presenceAntennaPort1 : false
              neighCellConfig : '10'B (2)
              t-ReselectionEUTRA : 2
            s-IntraSearch-v920
              s-IntraSearchP-r9 : 31
              s-IntraSearchQ-r9 : 0
            s-NonIntraSearch-v920
              s-NonIntraSearchP-r9 : 8
              s-NonIntraSearchQ-r9 : 0


5G UE icon display

Add caption







Orange Romania SIB2 ULI : Piata Baneasa Bucuresti
2020-05-28   T11:35:08.864 D [LTE] System Information
Length : 94
Log Code : 0xB0C0
Timestamp : 2020-05-28 11:34:52.804
LTE RRC OTA Packet
  version : 26
  rrcRelNum : 15
  rrcVerNum : 40
  nrRrcRelNum : 15
  nrRrcVerNum : 41
  rbId : 0
  phyCellId : 147
  freq : 2950
  sfn : 0
  pduNum : 3
  sibMaskInSi : 12
  msgLen : 61
  Channel : 2
  bcch-dl-sch
    message -> c1 -> systemInformation
      criticalExtensions -> systemInformation-r8
        sib-TypeAndInfo[0]
          sib2
            ac-BarringInfo
              ac-BarringForEmergency : false
              ac-BarringForMO-Data
                ac-BarringFactor : p75
                ac-BarringTime : s8
                ac-BarringForSpecialAC : '00000'B(0)
            radioResourceConfigCommon
              rach-ConfigCommon
                preambleInfo
                  numberOfRA-Preambles : n52
                  preamblesGroupAConfig
                    sizeOfRA-PreamblesGroupA : n28
                    messageSizeGroupA : b56
                    messagePowerOffsetGroupB : dB10
                powerRampingParameters
                  powerRampingStep : dB0
                  preambleInitialReceivedTargetPower : dBm-110
                ra-SupervisionInfo
                  preambleTransMax : n5
                  ra-ResponseWindowSize : sf10
                  mac-ContentionResolutionTimer : sf64
                maxHARQ-Msg3Tx : 5
              bcch-Config
                modificationPeriodCoeff : n2
              pcch-Config
                defaultPagingCycle : rf64
                nB : oneT
              prach-Config
                rootSequenceIndex : 155
                prach-ConfigInfo
                  prach-ConfigIndex : 6
                  highSpeedFlag : false
                  zeroCorrelationZoneConfig : 9
                  prach-FreqOffset : 7
              pdsch-ConfigCommon
                referenceSignalPower : 15
                p-b : 1
              pusch-ConfigCommon
                pusch-ConfigBasic
                  n-SB : 4
                  hoppingMode : interSubFrame
                  pusch-HoppingOffset : 22
                  enable64QAM : true
                ul-ReferenceSignalsPUSCH
                  groupHoppingEnabled : false
                  groupAssignmentPUSCH : 0
                  sequenceHoppingEnabled : false
                  cyclicShift : 0
              pucch-ConfigCommon
                deltaPUCCH-Shift : ds1
                nRB-CQI : 2
                nCS-AN : 0
                n1PUCCH-AN : 54
              soundingRS-UL-ConfigCommon -> setup
                srs-BandwidthConfig : bw3
                srs-SubframeConfig : sc7
                ackNackSRS-SimultaneousTransmission : true
              uplinkPowerControlCommon
                p0-NominalPUSCH : -67
                alpha : al07
                p0-NominalPUCCH : -115
                deltaFList-PUCCH
                  deltaF-PUCCH-Format1 : deltaF0
                  deltaF-PUCCH-Format1b : deltaF3
                  deltaF-PUCCH-Format2 : deltaF1
                  deltaF-PUCCH-Format2a : deltaF2
                  deltaF-PUCCH-Format2b : deltaF2
                deltaPreambleMsg3 : 4
              ul-CyclicPrefixLength : len1
              pusch-ConfigCommon-v1270
                enable64QAM-v1270 : true
            ue-TimersAndConstants
              t300 : ms200
              t301 : ms200
              t310 : ms1000
              n310 : n20
              t311 : ms10000
              n311 : n1
            freqInfo
              ul-Bandwidth : n100
              additionalSpectrumEmission : 1
            timeAlignmentTimerCommon : sf5120
            ac-BarringSkipForMMTELVoice-r12 : true
            ac-BarringSkipForMMTELVideo-r12 : true
            ac-BarringSkipForSMS-r12 : true
            plmn-InfoList-r15[0]
              upperLayerIndication-r15 : true
        sib-TypeAndInfo[1]
          sib3


2 comments:

  1. Faisal26 September 2019 at 01:52

    In Huawei, the transmission of upperLayerIndication-r15 in SIB 2 is controlled by a parameter called "Upper Layer Indication Switch"

    ReplyDelete

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