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4G/LTE - Multi Cell |
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Multi Cell - L to W HandoverThe simplest way to define the word 'handover' would be "chaging the partner". Who is chaning the partner ? I meant "UE (Mobile Phone)". Who is the parter in this case ? I meant "Cell". Therefore "Handover" is the process in which UE changes the cell.
Overall logic is simple and this process are the same (or at least very similar) in every technology.
I used very generic term e.g, "signal quality measurement command", "measurement result", "Change Cell Command", "Cell Change Completion Message" etc. These generic commands can be translated to a specific jargon for each technology. For example, if I translate these for UMTS, they would be as follows :
"Signal quality measurement command" ==> Measurement Control "Measurement Result" ==> Measurement Report "Change Cell Command" ==> Physical Channel Reconfiguration or ActiveSetUpdate "Cell Change Compeletion Message ==> Physical Channel Reconfiguration Complete or ActiveSetUpdateComplete
If you translate them into LTE jargon, they will be as follows.
"Signal quality measurement command" ==> RRC Connection Reconfiguration "Measurement Result" ==> Measurement Report "Change Cell Command" ==> Mobility From EUTRA Command "Cell Change Compeletion Message ==> Handover To UTRAN Complete
Then you may have whole lots of questions. It is very good. The more questions you have, the more information you will get through this page.. (not now, in the future -: ) Following is a set of my personal questions.
This list would get longer and longer.
Now let's jump into detailed technical aspects of LTE to WCDMA handover. Following is the overall and simplest form of LTE-WCDMA handover procedure. It means this is mainly for UE side aspect of Handover process.
Now let's dig into some of the critical steps of this handover process. I will start with radio message for these critical steps and put additional comments as time goes a long.
RRC Connection Reconfiguration for Target Cell Measurement (Step 11)
Following is an example of RRC Connection Reconfiguration with Measurement Configuration. You would see various combinations in details if you look at the logs from live network.
DL-DCCH-Message message: c1 (0) c1: rrcConnectionReconfiguration (4) rrcConnectionReconfiguration rrc-TransactionIdentifier: 0 criticalExtensions: c1 (0) c1: rrcConnectionReconfiguration-r8 (0) rrcConnectionReconfiguration-r8 measConfig measObjectToAddModList: 2 items Item 0 MeasObjectToAddMod measObjectId: 1 measObject: measObjectEUTRA (0) measObjectEUTRA carrierFreq: 900 allowedMeasBandwidth: mbw50 (3) .... 0... presenceAntennaPort1: False neighCellConfig: No MBSFN subframes are present in all neighbour cells (1) offsetFreq: dB0 (15) Item 1 MeasObjectToAddMod measObjectId: 2 measObject: measObjectUTRA (1) measObjectUTRA carrierFreq: 10700 offsetFreq: 0dB cellsToAddModList: cellsToAddModListUTRA-FDD cellsToAddModListUTRA-FDD: 1 item Item 0 CellsToAddModUTRA-FDD cellIndex: 1 physCellId: 9 reportConfigToAddModList: 1 item Item 0 ReportConfigToAddMod reportConfigId: 1 reportConfig: reportConfigInterRAT (1) reportConfigInterRAT triggerType: periodical (1) periodical purpose: reportStrongestCells (0) maxReportCells: 1 reportInterval: ms1024 (4) reportAmount: infinity (7) measIdToAddModList: 1 item Item 0 MeasIdToAddMod measId: 1 measObjectId: 2 reportConfigId: 1 quantityConfig quantityConfigEUTRA quantityConfigUTRA measQuantityUTRA-FDD: cpich-RSCP (0) measQuantityUTRA-TDD: pccpch-RSCP (0) measGapConfig: setup (1) setup gapOffset: gp0 (0) gp0: 30
This is an example of Measurement Report. You would see different details depending on how you configure in Measurement Configuration in step 11.
UL-DCCH-Message message: c1 (0) c1: measurementReport (1) measurementReport criticalExtensions: c1 (0) c1: measurementReport-r8 (0) measurementReport-r8 measResults measId: 1 measResultPCell rsrpResult: -92dBm <= RSRP < -91dBm (49) rsrqResult: -10.5dB <= RSRQ < -10dB (19)
Following is an exampe of Mobility From Eutra Command message. It is super complicated.. it is because it should carry all the information that is required to setup Radio Bearer in WCDMA network. In order for you to understand all the details of the contents, you need to understand all the details of WCDMA Radio Bearer Setup message. If you are really interested in understanding the details, refer to RAB Overview, RAB-Rel 99, RAB-Rel 6, RAB-Rel 7 pages of 2G/3G section.
DL-DCCH-Message message: c1 (0) c1: mobilityFromEUTRACommand (3) ..... handoverToUTRANCommand-r8 new-U-RNTI srnc-Identity: 0020 [bit length 12, 4 LSB pad bits, 0000 0000 0010 .... decimal value 2] s-RNTI-2: 0100 [bit length 10, 6 LSB pad bits, 0000 0001 00.. .... decimal value 4] cipheringAlgorithm: uea0 (0) .... 0... supportForChangeOfUE-Capability: False specificationMode: complete (0) complete srb-InformationSetupList: 4 items Item 0 SRB-InformationSetup-r8 rb-Identity: 1 rlc-InfoChoice: rlc-Info (0) rlc-Info ul-RLC-Mode: ul-UM-RLC-Mode (1) ul-UM-RLC-Mode dl-RLC-Mode: dl-UM-RLC-Mode (1) dl-UM-RLC-Mode dl-UM-RLC-LI-size: size7 (0) .... ...0 rlc-OneSidedReEst: False rb-MappingInfo: 2 items Item 0 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: dch (0) dch: 31 logicalChannelIdentity: 1 rlc-SizeList: configured (1) configured: NULL mac-LogicalChannelPriority: 2 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: dch (0) dch: 31 logicalChannelIdentity: 1 Item 1 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: rach (1) rach: NULL logicalChannelIdentity: 1 rlc-SizeList: explicitList (2) explicitList: 1 item Item 0 RLC-SizeInfo rlc-SizeIndex: 1 mac-LogicalChannelPriority: 1 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: fach (1) fach: NULL logicalChannelIdentity: 1 Item 1 SRB-InformationSetup-r8 rb-Identity: 2 rlc-InfoChoice: rlc-Info (0) rlc-Info ul-RLC-Mode: ul-AM-RLC-Mode (0) ul-AM-RLC-Mode transmissionRLC-Discard: noDiscard (3) noDiscard: dat10 (9) transmissionWindowSize: tw128 (5) timerRST: tr550 (10) max-RST: rst1 (0) pollingInfo timerPoll: tp310 (30) poll-SDU: sdu1 (0) .... ..1. lastTransmissionPDU-Poll: True .... ...1 lastRetransmissionPDU-Poll: True pollWindow: pw50 (0) dl-RLC-Mode: dl-AM-RLC-Mode (0) dl-AM-RLC-Mode dl-RLC-PDU-size: fixedSize (0) fixedSize: sizeType1 (0) sizeType1: 16 .... .1.. inSequenceDelivery: True receivingWindowSize: rw128 (5) dl-RLC-StatusInfo timerStatusProhibit: tsp120 (11) ...1 .... missingPDU-Indicator: True .... 0... rlc-OneSidedReEst: False rb-MappingInfo: 2 items Item 0 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: dch (0) dch: 31 logicalChannelIdentity: 2 rlc-SizeList: configured (1) configured: NULL mac-LogicalChannelPriority: 2 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: dch (0) dch: 31 logicalChannelIdentity: 2 Item 1 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: rach (1) rach: NULL logicalChannelIdentity: 2 rlc-SizeList: explicitList (2) explicitList: 1 item Item 0 RLC-SizeInfo rlc-SizeIndex: 1 mac-LogicalChannelPriority: 2 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: fach (1) fach: NULL logicalChannelIdentity: 2 Item 2 SRB-InformationSetup-r8 rb-Identity: 3 rlc-InfoChoice: rlc-Info (0) rlc-Info ul-RLC-Mode: ul-AM-RLC-Mode (0) ul-AM-RLC-Mode transmissionRLC-Discard: noDiscard (3) noDiscard: dat10 (9) transmissionWindowSize: tw128 (5) timerRST: tr550 (10) max-RST: rst4 (1) pollingInfo timerPoll: tp310 (30) poll-SDU: sdu1 (0) ...1 .... lastTransmissionPDU-Poll: True .... 1... lastRetransmissionPDU-Poll: True pollWindow: pw70 (2) dl-RLC-Mode: dl-AM-RLC-Mode (0) dl-AM-RLC-Mode dl-RLC-PDU-size: fixedSize (0) fixedSize: sizeType1 (0) sizeType1: 16 ..1. .... inSequenceDelivery: True receivingWindowSize: rw128 (5) dl-RLC-StatusInfo timerStatusProhibit: tsp120 (11) 1... .... missingPDU-Indicator: True .0.. .... rlc-OneSidedReEst: False rb-MappingInfo: 2 items Item 0 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: dch (0) dch: 31 logicalChannelIdentity: 3 rlc-SizeList: configured (1) configured: NULL mac-LogicalChannelPriority: 5 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: dch (0) dch: 31 logicalChannelIdentity: 3 Item 1 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: rach (1) rach: NULL logicalChannelIdentity: 3 rlc-SizeList: explicitList (2) explicitList: 1 item Item 0 RLC-SizeInfo rlc-SizeIndex: 1 mac-LogicalChannelPriority: 3 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: fach (1) fach: NULL logicalChannelIdentity: 3 Item 3 SRB-InformationSetup-r8 rb-Identity: 4 rlc-InfoChoice: rlc-Info (0) rlc-Info ul-RLC-Mode: ul-AM-RLC-Mode (0) ul-AM-RLC-Mode transmissionRLC-Discard: noDiscard (3) noDiscard: dat10 (9) transmissionWindowSize: tw128 (5) timerRST: tr550 (10) max-RST: rst4 (1) pollingInfo timerPoll: tp310 (30) poll-SDU: sdu1 (0) 1... .... lastTransmissionPDU-Poll: True .1.. .... lastRetransmissionPDU-Poll: True pollWindow: pw70 (2) dl-RLC-Mode: dl-AM-RLC-Mode (0) dl-AM-RLC-Mode dl-RLC-PDU-size: fixedSize (0) fixedSize: sizeType1 (0) sizeType1: 16 .... ...1 inSequenceDelivery: True receivingWindowSize: rw128 (5) dl-RLC-StatusInfo timerStatusProhibit: tsp120 (11) .... .1.. missingPDU-Indicator: True .... ..0. rlc-OneSidedReEst: False rb-MappingInfo: 2 items Item 0 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: dch (0) dch: 31 logicalChannelIdentity: 4 rlc-SizeList: configured (1) configured: NULL mac-LogicalChannelPriority: 6 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: dch (0) dch: 31 logicalChannelIdentity: 4 Item 1 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: rach (1) rach: NULL logicalChannelIdentity: 4 rlc-SizeList: explicitList (2) explicitList: 1 item Item 0 RLC-SizeInfo rlc-SizeIndex: 1 mac-LogicalChannelPriority: 4 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: fach (1) fach: NULL logicalChannelIdentity: 4 rab-InformationSetupList: 1 item Item 0 RAB-InformationSetup-r8 rab-Info rab-Identity: gsm-MAP-RAB-Identity (0) gsm-MAP-RAB-Identity: 05 [bit length 8, 0000 0101 decimal value 5] cn-DomainIdentity: ps-domain (1) re-EstablishmentTimer: useT315 (1) rb-InformationSetupList: 1 item Item 0 RB-InformationSetup-r8 rb-Identity: 8 rlc-InfoChoice: rlc-Info (0) rlc-Info ul-RLC-Mode: ul-AM-RLC-Mode (0) ul-AM-RLC-Mode transmissionRLC-Discard: maxDAT-Retransmissions (2) maxDAT-Retransmissions maxDAT: dat10 (9) timerMRW: te200 (10) maxMRW: mm8 (3) transmissionWindowSize: tw256 (6) timerRST: tr500 (9) max-RST: rst4 (1) pollingInfo timerPollProhibit: tpp200 (19) timerPoll: tp200 (19) .... ...1 lastTransmissionPDU-Poll: True 1... .... lastRetransmissionPDU-Poll: True pollWindow: pw50 (0) dl-RLC-Mode: dl-AM-RLC-Mode (0) dl-AM-RLC-Mode dl-RLC-PDU-size: fixedSize (0) fixedSize: sizeType2 (1) sizeType2 part1: 2 .... ...1 inSequenceDelivery: True receivingWindowSize: rw512 (7) dl-RLC-StatusInfo timerStatusProhibit: tsp200 (19) .... .1.. missingPDU-Indicator: True .... ..0. rlc-OneSidedReEst: False rb-MappingInfo: 2 items Item 0 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: dch (0) dch: 24 logicalChannelIdentity: 8 rlc-SizeList: configured (1) configured: NULL mac-LogicalChannelPriority: 8 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: dch (0) dch: 24 logicalChannelIdentity: 8 Item 1 RB-MappingOption-r8 ul-LogicalChannelMappings: oneLogicalChannel (0) oneLogicalChannel ul-TrCH-Type: dch-rach-usch (0) dch-rach-usch ul-TransportChannelType: rach (1) rach: NULL logicalChannelIdentity: 8 rlc-SizeList: explicitList (2) explicitList: 1 item Item 0 RLC-SizeInfo rlc-SizeIndex: 2 mac-LogicalChannelPriority: 8 dl-LogicalChannelMappingList: 1 item Item 0 DL-LogicalChannelMapping-r7 dl-TransportChannelType: fach (1) fach: NULL logicalChannelIdentity: 8 ul-CommonTransChInfo modeSpecificInfo: fdd (0) fdd ul-TFCS: normalTFCI-Signalling (0) normalTFCI-Signalling: complete (0) complete ctfcSize: ctfc4Bit (1) ctfc4Bit: 10 items Item 0 ctfc4Bit item ctfc4: 0 powerOffsetInformation gainFactorInformation: computedGainFactors (1) computedGainFactors: 0 Item 1 ctfc4Bit item ctfc4: 1 powerOffsetInformation gainFactorInformation: computedGainFactors (1) computedGainFactors: 0 Item 2 ctfc4Bit item ctfc4: 2 powerOffsetInformation gainFactorInformation: computedGainFactors (1) computedGainFactors: 0 Item 3 ctfc4Bit item ctfc4: 3 powerOffsetInformation gainFactorInformation: computedGainFactors (1) computedGainFactors: 0 Item 4 ctfc4Bit item ctfc4: 4 powerOffsetInformation gainFactorInformation: computedGainFactors (1) computedGainFactors: 0 Item 5 ctfc4Bit item ctfc4: 5 powerOffsetInformation gainFactorInformation: computedGainFactors (1) computedGainFactors: 0 Item 6 ctfc4Bit item ctfc4: 6 powerOffsetInformation gainFactorInformation: computedGainFactors (1) computedGainFactors: 0 Item 7 ctfc4Bit item ctfc4: 7 powerOffsetInformation gainFactorInformation: computedGainFactors (1) computedGainFactors: 0 Item 8 ctfc4Bit item ctfc4: 8 powerOffsetInformation gainFactorInformation: computedGainFactors (1) computedGainFactors: 0 Item 9 ctfc4Bit item ctfc4: 9 powerOffsetInformation gainFactorInformation: signalledGainFactors (0) signalledGainFactors modeSpecificInfo: fdd (0) fdd gainFactorBetaC: 8 gainFactorBetaD: 15 referenceTFC-ID: 0 ul-AddReconfTransChInfoList: 2 items Item 0 UL-AddReconfTransChInformation-r8: dch-usch (0) dch-usch ul-TransportChannelType: dch (0) transportChannelIdentity: 24 transportFormatSet: dedicatedTransChTFS (0) dedicatedTransChTFS tti: tti20 (1) tti20: 1 item Item 0 DedicatedDynamicTF-Info rlc-Size: octetModeType1 (1) octetModeType1: sizeType2 (1) sizeType2 part1: 2 numberOfTbSizeList: 5 items Item 0 NumberOfTransportBlocks: zero (0) zero: NULL Item 1 NumberOfTransportBlocks: one (1) one: NULL Item 2 NumberOfTransportBlocks: small (2) small: 2 Item 3 NumberOfTransportBlocks: small (2) small: 3 Item 4 NumberOfTransportBlocks: small (2) small: 4 logicalChannelList: allSizes (0) allSizes: NULL semistaticTF-Information channelCodingType: turbo (2) turbo: NULL rateMatchingAttribute: 143 crc-Size: crc16 (3) Item 1 UL-AddReconfTransChInformation-r8: dch-usch (0) dch-usch ul-TransportChannelType: dch (0) transportChannelIdentity: 31 transportFormatSet: dedicatedTransChTFS (0) dedicatedTransChTFS tti: tti40 (2) tti40: 1 item Item 0 DedicatedDynamicTF-Info rlc-Size: octetModeType1 (1) octetModeType1: sizeType1 (0) sizeType1: 16 numberOfTbSizeList: 2 items Item 0 NumberOfTransportBlocks: zero (0) zero: NULL Item 1 NumberOfTransportBlocks: one (1) one: NULL logicalChannelList: allSizes (0) allSizes: NULL semistaticTF-Information channelCodingType: convolutional (1) convolutional: third (1) rateMatchingAttribute: 160 crc-Size: crc16 (3) dl-CommonTransChInfo modeSpecificInfo: fdd (0) fdd dl-Parameters: dl-DCH-TFCS (0) dl-DCH-TFCS tfcs: normalTFCI-Signalling (0) normalTFCI-Signalling: complete (0) complete ctfcSize: ctfc4Bit (1) ctfc4Bit: 12 items Item 0 ctfc4Bit item ctfc4: 0 Item 1 ctfc4Bit item ctfc4: 1 Item 2 ctfc4Bit item ctfc4: 2 Item 3 ctfc4Bit item ctfc4: 3 Item 4 ctfc4Bit item ctfc4: 4 Item 5 ctfc4Bit item ctfc4: 5 Item 6 ctfc4Bit item ctfc4: 6 Item 7 ctfc4Bit item ctfc4: 7 Item 8 ctfc4Bit item ctfc4: 8 Item 9 ctfc4Bit item ctfc4: 9 Item 10 ctfc4Bit item ctfc4: 10 Item 11 ctfc4Bit item ctfc4: 11 dl-AddReconfTransChInfoList: 2 items Item 0 DL-AddReconfTransChInformation-r7 dl-TransportChannelType: dch (0) dch: 24 tfs-SignallingMode: explicit-config (0) explicit-config: dedicatedTransChTFS (0) dedicatedTransChTFS tti: tti10 (0) tti10: 1 item Item 0 DedicatedDynamicTF-Info rlc-Size: octetModeType1 (1) octetModeType1: sizeType2 (1) sizeType2 part1: 2 numberOfTbSizeList: 6 items Item 0 NumberOfTransportBlocks: zero (0) zero: NULL Item 1 NumberOfTransportBlocks: one (1) one: NULL Item 2 NumberOfTransportBlocks: small (2) small: 2 Item 3 NumberOfTransportBlocks: small (2) small: 4 Item 4 NumberOfTransportBlocks: small (2) small: 8 Item 5 NumberOfTransportBlocks: small (2) small: 12 logicalChannelList: allSizes (0) allSizes: NULL semistaticTF-Information channelCodingType: turbo (2) turbo: NULL rateMatchingAttribute: 120 crc-Size: crc16 (3) dch-QualityTarget bler-QualityValue: -20 Item 1 DL-AddReconfTransChInformation-r7 dl-TransportChannelType: dch (0) dch: 31 tfs-SignallingMode: sameAsULTrCH (1) sameAsULTrCH ul-TransportChannelType: dch (0) ul-TransportChannelIdentity: 31 dch-QualityTarget bler-QualityValue: -20 ul-DPCH-Info ul-DPCH-PowerControlInfo: fdd (0) fdd dpcch-PowerOffset: -30 pc-Preamble: 0 sRB-delay: 7 powerControlAlgorithm: algorithm1 (0) algorithm1: 0 harq-Preamble-Mode: 0 modeSpecificInfo: fdd (0) fdd scramblingCodeType: longSC (1) scramblingCode: 0 dpdchPresence: present (0) present numberOfDPDCH: 1 spreadingFactor: sf16 (2) ..1. .... tfci-Existence: True puncturingLimit: pl0-96 (14) dl-CommonInformation dl-dpchInfoCommon: dl-DPCH-InfoCommon (0) dl-DPCH-InfoCommon cfnHandling: initialise (1) initialise: NULL modeSpecificInfo: fdd (0) fdd dl-DPCH-PowerControlInfo modeSpecificInfo: fdd (0) fdd dpc-Mode: singleTPC (0) powerOffsetPilot-pdpdch: 0 spreadingFactorAndPilot: sfd8 (1) sfd8: NULL positionFixedOrFlexible: flexible (1) ...1 .... tfci-Existence: True modeSpecificInfo: fdd (0) fdd defaultDPCH-OffsetValue: 0 tx-DiversityMode: noDiversity (0) dl-InformationPerRL-List: 1 item Item 0 DL-InformationPerRL-r7 modeSpecificInfo: fdd (0) fdd primaryCPICH-Info primaryScramblingCode: 9 .... 0... servingHSDSCH-RL-indicator: False .... .0.. servingEDCH-RL-indicator: False dl-dpchInfo: dl-DPCH-InfoPerRL (0) dl-DPCH-InfoPerRL: fdd (0) fdd pCPICH-UsageForChannelEst: mayBeUsed (0) dpch-FrameOffset: 0 dl-ChannelisationCodeList: 1 item Item 0 DL-ChannelisationCode sf-AndCodeNumber: sf8 (1) sf8: 5 tpc-CombinationIndex: 0 modeSpecificInfo2: fdd (0) fdd frequencyInfo modeSpecificInfo: fdd (0) fdd uarfcn-UL: 9750 uarfcn-DL: 10700 maxAllowedUL-TX-Power: 24 nas-SecurityParamFromEUTRA: 05 0000 .... = Spare bit(s): 0x00 .... 0101 = DL NAS COUNT value: 5
UTRAN MOBILITY INFORMATION (Step 17)
DL-DCCH-Message integrityCheckInfo messageAuthenticationCode: b90773f6 rrc-MessageSequenceNumber: 1 message: utranMobilityInformation (24) utranMobilityInformation: later-than-r3 (1) later-than-r3 rrc-TransactionIdentifier: 0 criticalExtensions: criticalExtensions (1) criticalExtensions: r7 (0) r7 utranMobilityInformation-r7 ue-ConnTimersAndConstants t-305: noUpdate (0) t-308: ms320 (3) t-314: s0 (0) t-315: s0 (0) t-316: s-inf (6) t-317: infinity1 (1) cn-InformationInfo cn-CommonGSM-MAP-NAS-SysInfo: 0000 CN Common GSM-MAP NAS system information Location Area Code (LAC): 0x0000 (0) cn-DomainInformationListFull: 2 items Item 0 CN-DomainInformationFull cn-DomainIdentity: ps-domain (1) cn-DomainSpecificNAS-Info: 8001 PS domain specific system information Routing Area Code (RAC): 0x80 (128) 0000 00.. = Spare bit(s): 0 .... ..0. = NMO I: .... ...1 = NMO: cn-DRX-CycleLengthCoeff: 8 Item 1 CN-DomainInformationFull cn-DomainIdentity: cs-domain (0) cn-DomainSpecificNAS-Info: 0001 CS domain specific system information T3212: 0 0000 000. = Spare bit(s): 0 .... ...1 = ATT: MSs shall apply IMSI attach and detach procedure cn-DRX-CycleLengthCoeff: 8
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