Call Trace Troubleshooting Examples_Several Releases

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Call Trace Troubleshooting Example

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  • Section 5

    Troubleshooting CTg BasedCTg Post Processing - Internal tool demo

  • *IndexCTg Troubleshooting AnalysisAccessibiltyMobilityRetainabilityQualityTrafficCongestion/LoadCTg Post Processing - Internal tool demo

  • RRC accessibility troubleshootingCT based

  • *Example 1 (1/4)RRC Failure cause 3 - UnspecifiedProblem descriptionOne operator has experienced sometimes a high number of RRC.FailConnEstab.3 (cause: unspecified). Below you can see in example the results coming from on RNC during one week.These failures were localized in some FddCells, on which we have activated a CTg on the 9th of August.

    Example UA4.1(Other operator)

    Chart3

    43452030300038551

    5088301011610038552

    574430851500038553

    6006001191100038554

    72719021991889900038555

    70626030781476400038556

    69431039081952300038557

    Time Out (T352 Expiry)

    Unavailable DL Code

    Unavailable DL Power

    Unspecified

    RSSI

    Cell FACH CAC

    Overload RNC

    Emergency Calls To 2G

    RRC Failures

    Data

    RNC: RNCRM218-Jul-0519-Jul-0520-Jul-0521-Jul-0522-Jul-0523-Jul-0524-Jul-05AGGR.

    VS.PagingUnscheduledRecords00000000

    VS.PagingCancelledRecords587869647458152553

    VS.PagingRejectedRequests00000000

    VS.PagingDelayedRecords00000000

    Paging Type 1 Requests43475420874202043258472964210537512297753

    Paging Type 2 Requests4874865915325986444683806

    Paging Type 1 Answer Ratio86.15%87.75%86.90%87.24%87.18%84.43%87.41%86.72%

    RRC Connection Success Ratio93.60%93.06%92.74%92.53%89.06%89.34%87.70%91.06%

    RRC Connection Requests6788947351557927888052558580378295947545015454224

    RRC Connection Success Ratio / CS92.88%93.22%93.12%93.15%92.70%93.02%93.54%93.07%

    RRC Connection Requests - CS Call38947382133850338609429483788731009266116

    RRC Connection Success Ratio / PS96.60%96.19%96.49%86.74%94.72%96.72%94.55%94.30%

    RRC Connection Requests - PS Call16668135681614018502171491252312953107503

    RRC.AttConnEstab.023394225782301822705255692287318783158920

    RRC.SuccConnEstab.021426207252121520943235312107617295146211

    RRC.AttConnEstab.1803010416

    RRC.SuccConnEstab.1801010414

    RRC.AttConnEstab.2693646326135769258203094392738236

    RRC.SuccConnEstab.2672644595919590554313008360635054

    RRC.AttConnEstab.312251001112910141340118911688066

    RRC.SuccConnEstab.3120597110999881297116811307858

    RRC.AttConnEstab.400001001

    RRC.SuccConnEstab.400000000

    RRC.AttConnEstab.515530156071544815888173571498512205107020

    RRC.SuccConnEstab.514728148721461215009162691413711690101317

    RRC.AttConnEstab.600000022

    RRC.SuccConnEstab.600000022

    RRC.AttConnEstab.710157571107132510344954606193

    RRC.SuccConnEstab.79927351089129310234834506065

    RRC.AttConnEstab.84163955135215214944523312

    RRC.SuccConnEstab.84123925095185174904473285

    RRC.AttConnEstab.915283416212915158

    RRC.SuccConnEstab.912272513122915133

    RRC.AttConnEstab.103851714234884620624682834868484769064224563125214

    RRC.SuccConnEstab.103604323952684293354356614394964340083769012871101

    RRC.AttConnEstab.1100000000

    RRC.SuccConnEstab.1100000000

    RRC.AttConnEstab.122011832232482404352433892710712662082518961697430

    RRC.SuccConnEstab.121877602057022207972231752312042257192096301503987

    RRC.AttConnEstab.13260224862644266126032626269718319

    RRC.SuccConnEstab.13241123342469247623962430250817024

    RRC.AttConnEstab.14706967787251794684277246694251659

    RRC.SuccConnEstab.14676164896952734479696958661149084

    RRC.AttConnEstab.151383813982135581380815102138701382397981

    RRC.SuccConnEstab.151289213052126621279413923130351281491172

    RRC.AttConnEstab.16112323214

    RRC.SuccConnEstab.1601202319

    RRC.AttConnEstab.17643152223

    RRC.SuccConnEstab.17643152223

    RRC.AttConnEstab.1820485201701944520003223151957419667141659

    RRC.SuccConnEstab.1819642191201855918945211081859518557134526

    RRC.AttConnEstab.1900000000

    RRC.SuccConnEstab.1900000000

    RRC.AttConnEstab.2000100001

    RRC.SuccConnEstab.2000100001

    RRC.FailConnEstab.043452508835744360060727197062669431424614

    RRC.FailConnEstab.100000000

    RRC.FailConnEstab.230101851192199307839089520

    RRC.FailConnEstab.3316151118899147641952353231

    RRC.FailConnEstab.401000001

    RRC.FailConnEstab.500000000

    RRC.FailConnEstab.600000000

    RRC.FailConnEstab.7

    VS.RrcConnectionRelease.Congestion00000000

    VS.RrcConnectionRelease.DirectedSignallingConnectionReestablishement00000000

    VS.RrcConnectionRelease.PreemptiveRelease00000000

    VS.RrcConnectionRelease.ReestablishmentReject00000000

    RRC ASU Success Ratio99.72%99.82%99.77%99.82%99.83%99.81%99.52%99.77%

    SMC Success Ratio CS99.59%99.56%99.56%99.53%99.45%99.50%99.58%99.54%

    SMC CS4780765235195650385727805881315714814964033795428

    SMC Success Ratio PS99.58%99.56%99.53%99.54%99.44%99.50%99.54%99.52%

    SMC PS3325693628543952204044294125154032513503742661212

    Radio Link Setup Success Ratio99.83%98.99%99.86%99.59%98.27%98.48%97.75%98.95%

    Radio Link Setup Unsuccess1909130741960581625271213382745296820

    Radio Link Addition Success Ratio100.00%99.99%100.00%100.00%99.99%100.00%100.00%100.00%

    Radio Link Addition Unsuccess31247285766

    Radio Link Reconfiguration Preparation Success Ratio100.00%99.98%99.99%99.98%99.99%99.98%99.99%99.99%

    Radio Link Reconfiguration Preparation Unsuccess4221121122112103

    Radio Link Reconfiguration Cancels64112102981574621651160

    Radio Link Reconfiguration Commits1341871087561160081200481282829759387289792163

    Radio Link Deletion Success Ratio100.00%100.00%100.00%100.00%99.95%99.96%99.94%99.98%

    Radio Link Deletion Unsuccess35628528406268832488

    Radio Link Dropped - CS2792772962361962381701692

    Radio Link Dropped - PS1381111551921661141341010

    Iur DRNC Radio Link Setup Success Ratio97.50%91.55%98.48%95.95%97.74%97.94%97.68%96.44%

    Iur DRNC Radio Link Setup Unsuccess1863129381825567130162545244230300

    Iur DRNC Radio Link Addition Success Ratio100.00%100.00%99.96%100.00%100.00%100.00%100.00%99.99%

    Iur DRNC Radio Link Addition Unsuccess00100001

    Iur DRNC Radio Link Reconfiguration Preparation Success Ratio99.42%98.90%100.00%99.57%99.61%100.00%100.00%99.65%

    Iur DRNC Radio Link Reconfiguration Preparation Unsuccess13011006

    Iur DRNC Radio Link Reconfiguration Cancels63111102939912097685

    Iur DRNC Radio Link Reconfiguration Commits100142138123141153125922

    RAB Assignment Success Ratio / CS99.03%99.03%99.02%99.12%99.01%98.56%98.93%98.96%

    RAB Assignment Requests / CS35378349703505635191390293434428350242318

    RAB Assignment Success Ratio / PS98.09%98.08%98.11%97.81%98.06%97.63%98.34%98.02%

    RAB Assignment Requests / PS1594312723148731525015243107901079195613

    RAB Release Success Ratio / CS26.67%10.34%33.33%28.12%8.33%25.00%19.05%20.99%

    RAB Release Requests / CS3029183224821162

    RAB Release Success Ratio / PS98.51%98.98%99.33%98.73%98.85%99.06%98.80%98.89%

    RAB Release Requests / PS282125522674284032072671233019095

    Radio Bearer Setup Success Ratio98.80%98.87%98.79%98.77%98.84%98.93%98.92%98.84%

    Radio Bearer Setup Unsuccess6175376036216324794213910

    VS.RadioBearerEstablishmentUnsuccess.InvalidRabParametersValue00000000

    VS.RadioBearerEstablishmentUnsuccess.UnavailableDlCodeRessources00000000

    VS.RadioBearerEstablishmentUnsuccess.UnavailableDlPowerRessources174513425

    VS.RadioBearerEstablishmentUnsuccess.Unspecified2932472523173084822532152

    Radio Bearer Reconfiguration Success Ratio99.54%99.51%99.56%99.55%99.54%99.47%99.47%99.53%

    Radio Bearer Reconfiguration Unsuccess184126132135151106102936

    Radio Bearer Release Success Ratio99.26%99.48%99.57%99.33%99.59%99.61%99.56%99.49%

    Radio Bearer Release Unsuccess22141220141111104

    Iu Abnormal Release Ratio / CS3.07%3.34%3.45%3.31%3.82%3.66%3.26%3.43%

    Iu Abnormal Release Requests / CS16235191532116120547243702270217900142068

    Iu Abnormal Release Ratio / PS

    Iu Abnormal Release Requests / PS16736194752136721123237362250918150143096

    VS.IuReleaseRequestPs.AlwaysOnDowngrade870260848078798876674740520548464

    Iu Relocation Request Failure Ratio / CS100.00%100.00%100.00%100.00%100.00%100.00%100.00%100.00%

    VS.IuRelocationRequestFailuresCs.RejectionCannotEstablishLocation00000000

    VS.IuRelocationRequestFailuresCs.RejectionDueToFailureInTargetSystem1661091851561943730877

    VS.IuRelocationRequestFailuresCs.RejectionDueToTimeout00000000

    VS.IuRelocationRequestFailuresCs.RejectionOtherCauses00000000

    Iu Relocation Request Failure Ratio / PS

    VS.IuRelocationRequestFailuresPs.RejectionCannotEstablishLocation00000000

    VS.IuRelocationRequestFailuresPs.RejectionDueToFailureInTargetSystem00000000

    VS.IuRelocationRequestFailuresPs.RejectionDueToTimeout00000000

    VS.IuRelocationRequestFailuresPs.RejectionOtherCauses00000000

    Iu Relocation Command Failure Ratio / CS1.41%1.89%0.75%1.84%1.23%0.56%0.27%1.16%

    VS.IuRelocationCommandFailuresCs.RejectionCannotEstablishRelocation00000000

    VS.IuRelocationCommandFailuresCs.RejectionDueToAlreadyInProgress00000000

    VS.IuRelocationCommandFailuresCs.RejectionDueToFailureInTargetSystem103206852111546126846

    VS.IuRelocationCommandFailuresCs.RejectionDueToTimeout00000000

    VS.IuRelocationCommandFailuresCs.RejectionOtherCauses5400000054

    Iu Relocation Command Failure Ratio / PS

    VS.IuRelocationCommandFailuresPs.RejectionCannotEstablishRelocation00000000

    VS.IuRelocationCommandFailuresPs.RejectionDueToAlreadyInProgress00000000

    VS.IuRelocationCommandFailuresPs.RejectionDueToFailureInTargetSystem00000000

    VS.IuRelocationCommandFailuresPs.RejectionDueToTimeout00000000

    VS.IuRelocationCommandFailuresPs.RejectionOtherCauses00000000

    VS.IuRelocationRequired.WithCoreNetworkCs113701120011526118171276711008971479402

    VS.IuRelocationRequired.WithCoreNetworkPs00000000

    VS.IuRelocationDetects.WithCoreNetworkCs00000000

    VS.IuRelocationDetects.WithCoreNetworkPs00000000

    VS.IuRelocationCompletes.WithCoreNetworkCs00000000

    VS.IuRelocationCompletes.WithCoreNetworkPs00000000

    VS.IuRelocationCancels.WithCoreNetworkCs4023665894094764628513555

    VS.IuRelocationCancels.WithCoreNetworkPs00000000

    Iu SCCP Failure Ratio CS0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

    Iu SCCP Connection Attempts CS5297915753896173046253596422526245545512174165866

    Iu SCCP Failure Ratio PS0.12%0.06%0.06%0.10%0.54%0.20%0.11%0.18%

    Iu SCCP Connection Attempts PS4216004589285007725099135219645106014499293373707

    Iur SCCP Failure Ratio0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

    VS.IuAvgNbrSccpCnx.WithCoreNetworkCs.Avg53.53954.85155.71556.66358.8745.06433.84351.221

    VS.IuAvgNbrSccpCnx.WithCoreNetworkPs.Avg37.35336.04136.7638.19940.42835.73629.44636.28

    VS.IurAvgNbrInitSccpCnx.Avg1.5031.7822.1052.3452.3341.8091.2161.87

    VS.IurAvgNbrTermSccpCnx.Avg2.8474.5523.6454.1093.8853.4732.8243.619

    VS.IuEmittedSccpAbnormalDisconnectsCs.EndUserCongestion00000000

    VS.IuEmittedSccpAbnormalDisconnectsCs.EndUserFailure00000000

    VS.IuEmittedSccpAbnormalDisconnectsCs.EndUserOriginated01100316

    VS.IuEmittedSccpAbnormalDisconnectsPs.EndUserCongestion00000000

    VS.IuEmittedSccpAbnormalDisconnectsPs.EndUserFailure00000000

    VS.IuEmittedSccpAbnormalDisconnectsPs.EndUserOriginated1941442747918920819

    VS.IuReceivedSccpAbnormalDisconnectsCs764167576965492035

    VS.IuReceivedSccpAbnormalDisconnectsPs837494976715665022087

    VS.IurEmittedSccpAbnormalDisconnects.EndUserCongestion00000000

    VS.IurEmittedSccpAbnormalDisconnects.EndUserFailure00000000

    VS.IurEmittedSccpAbnormalDisconnects.EndUserOriginated00800008

    VS.IurReceivedSccpAbnormalDisconnects00000000

    VS.IrmcacDistributionRscp.Minus115DbToMoreThanMinus97Db322749134135383331205366894639149683600518298384524140512

    VS.IrmcacDistributionRscp.Minus97DbToMoreThanMinus79Db468813245265934597840461375649758274120057338114330903348

    VS.IrmcacDistributionRscp.Minus79DbToMoreThanMinus61Db182111015792301625749160340616302601341181118403710784973

    VS.IrmcacDistributionRscp.Minus61DbToMoreThanMinus43Db2641162057981926922229442136531297661113531340322

    VS.IrmcacDistributionRscp.Minus43DbToMoreThanMinus25Db449936443988246450535023196026631

    VS.IrmcacDistributionEcN0.Minus24DbToMoreThanMinus18Db45993363463284633744400704839129109266499

    VS.IrmcacDistributionEcN0.Minus18DbToMoreThanMinus12Db3629984648384615235317966098795123823799863323402

    VS.IrmcacDistributionEcN0.Minus12DbToMoreThanMinus6Db305987033012043131378341522934848023079246249978921971518

    VS.IrmcacDistributionEcN0.Minus6DbToMoreThan0Db653648759264156125728613074766050105556526475345441634368

    RAB Assignment - PS Granted26945184102178221378234321540314843142193

    RAB Assignment - PS Downgraded373435533285426537092502242823476

    RAB Assignment - PS Rejected00000000

    Downsizing Step 1 Success24459162181927019385206051262112360124918

    Downsizing Step 1 Unsuccess1621021061121268288778

    Downsizing Step 2 Success869760628074797276604735519748397

    Upsizing Success145019015998910129116206954628668494

    Upsizing Unsuccess20232523221910142

    IRM Scheduling Downgraded Success6834905846656444604183944

    IRM Scheduling Downgraded Failure454558435

    VS.IRMTimeCellColorGreen.Avg97.60%97.80%98.20%98.10%98.10%98.00%98.10%98.00%

    VS.IRMTimeCellColorYellow.Avg0.10%0.10%0.10%0.10%0.10%0.10%0.10%0.10%

    VS.IRMTimeCellColorRed.Avg0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

    IRM CAC Radio Link Color Green26417178712122620991229661470114134138306

    IRM CAC Radio Link Color Red423540243816460541273183311427104

    VS.IRMTimeFreeDlCodesBySpreadingFactor.8.Avg6.3536.3736.4046.4216.426.4336.4546.408

    VS.IRMTimeFreeDlCodesBySpreadingFactor.16.Avg13.60513.6513.7213.75513.75613.78513.83113.729

    VS.IRMTimeFreeDlCodesBySpreadingFactor.32.Avg27.97728.05628.19928.26628.26128.33528.45728.222

    VS.IRMTimeFreeDlCodesBySpreadingFactor.64.Avg56.07156.23856.52556.67156.67356.80157.01456.571

    VS.IRMTimeFreeDlCodesBySpreadingFactor.128.Avg112.244112.589113.16113.454113.466113.705114.101113.246

    VS.IRMTimeFreeDlCodesBySpreadingFactor.256.Avg224.54225.245226.388226.979227.01227.488228.266226.56

    CM Configuration Success Ratio98.80%98.85%98.79%98.77%98.77%98.42%98.83%98.75%

    CM Activation Success Ratio100.00%100.00%100.00%100.00%100.00%99.97%99.99%99.99%

    HHO 3G2G Success Ratio %Global RNC% / CS

    HHO 3G2G Success Ratio %Preparation RNC% / CS97.77%97.26%98.39%97.20%97.93%98.56%98.68%97.95%

    HHO 3G2G Success Ratio %Execution% / CS96.41%96.55%94.78%96.44%96.22%95.69%91.10%95.41%

    HHO 3G2G Success Ratio %Execution at 2G Side% / CS95.23%94.92%93.38%94.95%94.84%94.00%89.47%93.93%

    HHO 3G2G Success Ratio %Execution at 3G Side% / CS101.24%101.71%101.49%101.57%101.46%101.80%101.82%101.57%

    HHO 3G2G Failure Ratio %UTRAN Failure% / CS6.89%7.69%8.16%7.72%7.12%7.35%11.71%8.00%

    HHO 3G2G Detection / CS113041113611449117481267910932966378911

    HHO 3G2G Failure Ratio %UTRAN Failure% / PS8.24%8.48%9.19%9.46%8.28%10.43%9.46%9.01%

    HHO 3G2G Detection / PS383636343602382837322895284424371

    Traffic DL (SDU Payload) - CS Voice199688119520461912260196761820409801563255132515412758194

    Traffic DL (SDU Payload) - CS Data89388609251054721032728819710592365070618247

    Traffic DL (SDU Payload) - PS157870510860191563927202703315655889418119079789671061

    Traffic UL (SDU Payload) - CS Voice159043115745091535761156644316680471285388106472110285300

    Traffic UL (SDU Payload) - CS Data82300536949457594801770499455856292553269

    Traffic UL (SDU Payload) - PS3929892820953150733298213406272059771485132015095

    TX Carrier Power Avg35.0835.0735.0735.0735.0735.0635.0635.07

    TX Carrier Power Max40.8141.2941.3441.8941.5540.8241.0841.89

    UL RSSI Main Avg-105.83-105.89-105.81-105.66-105.63-105.7-105.71-105.75

    UL RSSI Main Max-49.03-48.75-47.82-49.39-50.38-48.95-47.36-47.36

    UL RSSI Diversity Avg-105.89-105.96-105.88-105.7-105.69-105.75-105.74-105.8

    UL RSSI Diversity Max-49.92-49.22-49.85-49.52-50.56-48.91-47.86-47.86

    VS.AveragePowerUsedForSignalling.Avg2023.042143.3032075.2372102.6862378.3482318.132318.9032194.235

    VS.AveragePowerUsedForSpeech.Avg7033.1757178.2816975.7617080.9867039.7836673.4786516.4636928.275

    VS.AveragePowerUsedForData.Avg8350.258507.0688332.1438340.3398445.0698382.5668185.5578363.284

    VS.AveragePowerUsedForMiscellaneous.Avg7632.8147657.8388198.78562.9017548.0397455.8218049.4087872.218

    VS.CEMAllocFail13329370157789128850

    VS.CEMUsed.Avg9.9419.9589.92410.02710.0419.9139.799.942

    VS.CEMUsed.Max95979410097100100100

    VS.E3PrLoadCnTmu.Sbc.NbEvt949641394964279496360949645994964029487388949641966465868

    VS.E3PrLoadCnTmu.Sbc.Avg8.9989.72410.10810.35310.60510.1729.1649.875

    VS.E3PrLoadCnTmu.Sbc.Max3338444538553955

    Paging

    Paging

    03400

    06400

    04500

    03800

    04900

    05300

    01100

    Unscheduled

    Cancelled

    Rejected

    Delayed

    RRC

    38283574

    52800660

    48378700

    50712575

    52337781

    56695885

    9140157

    Type 1

    Type 2

    Paging Requests

    SMC,ASU

    0.8522

    0.8297

    0.8415

    0.849

    0.8434

    0.8269

    0.877

    Paging Type 1 Answer Ratio

    Paging Type 1 Answer Ratio

    RL

    RL

    43452030300038551

    5088301011610038552

    574430851500038553

    6006001191100038554

    72719021991889900038555

    70626030781476400038556

    69431039081952300038557

    Time Out (T352 Expiry)

    Unavailable DL Code

    Unavailable DL Power

    Unspecified

    RSSI

    Cell FACH CAC

    Overload RNC

    Emergency Calls To 2G

    RRC Failures

    RAB

    0000

    0000

    0000

    0000

    0000

    0000

    0000

    Congestion

    Directed Signalling Connection Re-Establishment

    Preemptive Release

    Re-Establishment Reject

    RRC Abnormal Release

    Iu

    38947166680.92880.966

    38213135680.93220.9619

    38503161400.93120.9649

    38609185020.93150.8674

    42948171490.9270.9472

    37887125230.93020.9672

    31009129530.93540.9455

    &A

    Page &P

    Requests CS

    Requests PS

    Success Ratio CS

    Success Ratio PS

    RRC Setup CS & PS

    Iu SCCP

    6788940.936

    7351550.9306

    7927880.9274

    8052550.9253

    8580370.8906

    8295940.8934

    7545010.877

    &A

    Page &P

    Requests

    Success Ratio

    RRC Setup ALL

    QoS

    2339421426

    2257820725

    2301821215

    2270520943

    2556923531

    2287321076

    1878317295

    Attempts

    Success

    Originating Conversational Call

    HHO

    88

    00

    31

    00

    11

    00

    44

    1614

    Attempts

    Success

    Originating Streaming Call

    Traffic

    69366726

    46324459

    61355919

    76925905

    58205431

    30943008

    39273606

    Attempts

    Success

    Originating Interactive Call

    Power

    12881233

    10221006

    10641041

    771746

    12781239

    11351096

    328323

    Attempts

    Success

    Originating Background Call

    CEM,TMU

    00

    00

    00

    00

    00

    00

    00

    Attempts

    Success

    Originating Subscribed Traffic Call

    1256511970

    1733516438

    1685715989

    1779016835

    1841417411

    1980318706

    32363064

    Attempts

    Success

    Terminating Conversational Call

    00

    00

    00

    00

    00

    00

    00

    Attempts

    Success

    Terminating Streaming Call

    819781

    12031190

    15311464

    20932058

    20121969

    12431219

    150147

    Attempts

    Success

    Terminating Interactive Call

    244242

    221218

    224221

    6460

    122119

    152151

    147147

    Attempts

    Success

    Terminating Background Call

    3029

    1515

    3230

    1111

    1616

    2323

    22

    Attempts

    Success

    Emergency Call

    442023416856

    536143501399

    555460514509

    584982544271

    592388552903

    590594549466

    134011126941

    Attempts

    Success

    Intersystem Cell Reselection

    00

    00

    00

    00

    00

    00

    00

    Attempts

    Success

    Intersystem Cell Change Order

    177568165390

    207522192326

    213433194418

    269758248494

    282417261489

    297338269196

    10639199823

    Attempts

    Success

    Registration

    30152820

    32323006

    29522765

    31202893

    32012998

    30742857

    880811

    Attempts

    Success

    Detach

    71486623

    89508538

    85598062

    82267826

    98429342

    91078658

    17651683

    Attempts

    Success

    Originating High Priority Signalling

    1353612539

    1608014902

    1538014201

    1586514751

    1619515047

    1648415425

    32923006

    Attempts

    Success

    Originating Low Priority Signalling

    22

    00

    00

    00

    21

    11

    00

    Attempts

    Success

    Call Re-Establishment

    1212

    22

    33

    66

    33

    76

    11

    Attempts

    Success

    Terminating High Priority Signalling

    1898518009

    2504723823

    2209620808

    2310321842

    2358822384

    2567824443

    44824243

    Attempts

    Success

    Terminating Low Priority Signalling

    00

    00

    00

    00

    00

    00

    00

    Attempts

    Success

    Terminating Cause Unknown

    00

    00

    00

    00

    21

    00

    00

    Attempts

    Success

    Spare

    5213333904230.99640.9965

    6437444819030.99580.9959

    6517114918910.99570.9959

    6766114886740.9960.9962

    6868934972990.99610.9963

    6777944689950.99520.9967

    1495261048560.99620.9969

    &A

    Page &P

    SMC CS

    SMC PS

    SMC Success Ratio CS

    SMC Success Ratio PS

    Security Mode Command

    0.9961

    0.9981

    0.9962

    0.9973

    0.9962

    0.998

    0.9983

    RRC ASU Success Ratio

    RRC ASU Success Ratio

    1940.9998

    4920.9996

    14680.9989

    26120.9983

    19270.9988

    7570.9995

    670.9998

    &A

    Page &P

    Unsuccess

    Success Ratio

    RL Setup

    01

    11

    01

    01

    01

    01

    01

    &A

    Page &P

    Unsuccess

    Success Ratio

    RL Addition

    30.9998

    670.9978

    11

    300.9992

    11

    11

    01

    &A

    Page &P

    Unsuccess

    Success Ratio

    Iur DRNC RL Setup

    01

    10.9998

    01

    10.9999

    01

    01

    01

    &A

    Page &P

    Unsuccess

    Success Ratio

    Iur DRNC RL Addition

    01

    380.9998

    2130.9986

    1850.9988

    1390.9992

    830.9995

    01

    &A

    Page &P

    Unsuccess

    Success Ratio

    RL Reconfiguration Preparation

    31

    581

    301

    121

    51

    71

    01

    &A

    Page &P

    Unsuccess

    Success Ratio

    RL Deletion

    0

    48

    63

    57

    48

    1

    0

    Radio Link Reconfiguration Cancels

    RL Reconfiguration Cancels

    104659

    155048

    155035

    156426

    179159

    159118

    25284

    Radio Link Reconfiguration Commits

    RL Reconfiguration Commits

    226140

    217230

    296296

    277250

    329402

    348208

    3929

    CS

    PS

    RL Dropped

    01

    01

    01

    01

    01

    01

    01

    &A

    Page &P

    Unsuccess

    Success Ratio

    Iur DRNC RL Reconfiguration Preparation

    0

    0

    0

    0

    0

    0

    0

    Iur DRNC Radio Link Reconfiguration Cancels

    Iur DRNC RL Reconfiguration Cancels

    294

    520

    438

    528

    794

    580

    87

    Iur DRNC Radio Link Reconfiguration Commits

    Iur DRNC RL Reconfiguration Commits

    29620140640.98920.9765

    39682223230.99060.9765

    38640218280.99010.9622

    40238209500.99010.9683

    42392252500.99010.9682

    46094218470.99010.9773

    752634510.98880.9768

    &A

    Page &P

    Requests CS

    Requests PS

    Success Ratio CS

    Success Ratio PS

    RAB Assignment

    7140.9836

    8530.986

    8680.9852

    8050.9865

    10000.9848

    8890.9865

    2000.9815

    &A

    Page &P

    Unsuccess

    Success Ratio

    RB Setup

    000297

    000438

    001608

    000556

    001620

    000425

    00067

    Invalid RB Parameters Value

    Unavailable DL Code

    Unavailable DL Power

    Unspecified

    RB Establishment Unsuccess

    1020.9965

    1940.9959

    2340.9951

    2030.9957

    2520.9957

    1990.9956

    300.9959

    &A

    Page &P

    Unsuccess

    Success Ratio

    RB Reconfiguration

    2624650.07690.9911

    4032170.10.9798

    3130970.16130.9851

    4729240.06380.9839

    2737750.07410.9873

    2537980.20.9831

    75930.14290.9916

    &A

    Page &P

    Requests CS

    Requests PS

    Success Ratio CS

    Success Ratio PS

    RAB Release

    130.9949

    290.9913

    210.9934

    190.9937

    180.9954

    260.9934

    30.9952

    &A

    Page &P

    Unsuccess

    Success Ratio

    RB Release

    11903126660.020838550

    16940182070.024438551

    16535179050.023638552

    15020157720.020738553

    15342168300.020838554

    13677125050.018938555

    196718850.011138556

    &A

    Page &P

    Requests CS

    Requests PS

    Ratio CS

    Ratio PS

    Iu Abnormal Release

    01900

    035100

    029600

    033000

    047900

    033500

    0000

    Cannot Establish Location

    Failure In Target System

    TimeOut

    Other Cause

    Iu Relocation Request Rejections CS

    0000

    0000

    0000

    0000

    0000

    0000

    0000

    Cannot Establish Location

    Failure In Target System

    TimeOut

    Other Cause

    Iu Relocation Request Rejections PS

    138550

    138551

    138552

    138553

    138554

    138555

    3855638556

    CS

    PS

    Iu Relocation Request Failure Ratio

    126666333

    1820710699

    1790510087

    1577210479

    1683012409

    1250510442

    18851642

    Abnormal

    AO Downgrade

    Iu Release Requests PS

    0.122938550

    0.063138551

    0.062238552

    0.060638553

    0.062338554

    0.069438555

    0.078138556

    CS

    PS

    Iu Relocation Command Failure Ratio

    00130700

    0088400

    0085500

    0085900

    0092000

    001088013

    0020000

    Cannot Establish Relocation

    Already In Progress

    Failure In Target System

    TimeOut

    Other Causes

    Iu Relocation Command Rejections CS

    00000

    00000

    00000

    00000

    00000

    00000

    00000

    Cannot Establish Relocation

    Already In Progress

    Failure In Target System

    TimeOut

    Other Causes

    Iu Relocation Command Rejections CS

    120390

    150230

    147170

    151450

    158250

    171180

    27860

    CS

    PS

    Iu Relocation Required

    00

    00

    00

    00

    00

    00

    00

    CS

    PS

    Iu Relocation Detects

    00

    00

    00

    00

    00

    00

    00

    CS

    PS

    Iu Relocation Completes

    4400

    5380

    6010

    4720

    4740

    5760

    740

    CS

    PS

    Iu Relocation Cancels

    57675645914800.0004

    70038855936900.0005

    70733857080000.001

    73287265677300.0013

    74361668014700.001

    73472669134900.0036

    17952817961600.0018

    &A

    Page &P

    Attempts CS

    Attempts PS

    Failure Ratio CS

    Failure Ratio PS

    Iu SCCP

    0

    0

    0

    0

    0

    0

    0

    Iur SCCP Failure Ratio

    Iur SCCP Failure Ratio

    33.34932.368

    45.84747.084

    46.54148.369

    47.26744.856

    48.33353.167

    49.02947.363

    19.85320.097

    CS

    PS

    Iu Avg SCCP Connections

    0.7910.541

    1.1050.978

    1.2471.166

    1.531.504

    1.7391.451

    0.6770.588

    0.2550.187

    Initiated

    Terminated

    Iur Avg SCCP Connections

    000

    004

    000

    000

    000

    002

    000

    End User Congestion

    End User Failure

    End User Originated

    Iu Emitted SCCP Abnormal Disconnects CS

    0019

    0033

    00171

    0073

    0067

    00453

    0039

    End User Congestion

    End User Failure

    End User Originated

    Iu Emitted SCCP Abnormal Disconnects PS

    000

    000

    000

    000

    000

    000

    000

    End User Congestion

    End User Failure

    End User Originated

    Iur Emitted SCCP Abnormal Disconnects

    1076

    17117

    15126

    7151

    14179

    9209

    155

    CS

    PS

    Iu Received SCCP Abnormal Disconnects

    0

    0

    0

    0

    0

    0

    0

    VS.IurReceivedSccpAbnormalDisconnects

    Iur Received SCCP Abnormal Disconnects

    2022846490

    3381571390

    3321374940

    3238170500

    4018172330

    3214871100

    54218490

    Granted

    Downgraded

    Rejected

    RAB Assignment PS

    17823876330

    2919415310690

    2940617410080

    2921715010477

    3606520012403

    2833115210430

    4541241641

    Step 1 Success

    Step 1 Unsuccess

    Step 2 Success

    Downsizing

    4894

    74912

    69717

    75113

    104812

    61616

    661

    Success

    Failure

    IRM Scheduling Downgraded

    1041311

    1685632

    1756668

    1716276

    2102477

    1604268

    26775

    Success

    Unsuccess

    Upsizing

    367701434798769651891195262205

    4571988536124718209032822334516

    4680809542606318923122330954499

    4740378546789419853272189944864

    5251667592955321153393808167825

    5149130568068919951342936504764

    996457100572929071944897454

    -115

  • *Example 1 (2/4)RRC Failure cause 3 - UnspecifiedCall Flow:The RNC does not get any answer from the NodeB, and it rejects the RRC Connection. The 30 seconds delay corresponds to the NBAP dedicated guard-timer (defined in the static MIB). During this period no other NBAP procedure may take place, leading potentially to dropped calls.From DRF we have seen that one of the sites involved is:Example UA4.1(Other operator)

    Sheet1

    TkTimeChannelMessageInfo, NAS MessageHexa

    432--1711176229-011:18:49.219SnapshotCNodeSnapRrcStartpdelay: 11 cellType: ACTIVE psc: 80

    432--1711176229-011:18:49.219SnapshotCNodeSnapRLinkStartULAsConfId: 2 DLAsConfId: 3 cellType: RL_ESTABLISHED psc: 80

    432--1711176229-011:18:49.219NbapNbapRadLinkSetupReq[ 432 CI: 47348] ulsir: 4.9 initDLpw: -10dB maxDLpw: -4dB minDLpw: -15dB dlChCode: 105C5A040353802F0E5E00003200054001000B08054BEF02000094000000009400014BFF0200009400000000940001002002000000000001C0670F841BC0830402000000000001188300080001B0B8F400010A000B00FA013600C8000A

    432--1711176229-011:19:19.227RrcRrcConRej[ 432 CI: 47348]104D009AAD88D02A004454

    Sheet2

    Sheet3

    Sheet1

    rnc.rncIdnodeB.userLabeluserLabelprimaryScramblingCodecellId

    432RBS03471-01W034710218047348

    Sheet2

    Sheet3

  • *Example 1 (3/4)RRC Failure cause 3 - UnspecifiedCall Flow:Historical Fault Browser:

    The site 3471 has a known problem with the BT link, that goes up and down.

    Example UA4.1(Other operator)

    Sheet1

    TkTimeChannelMessageInfo, NAS Message

    432--1711176229-011:19:19.227RrcRrcConRej[ 432 CI: 47348]

    432--1711176198-011:20:05.620RrcRrcConRej[ 432 CI: 47348]

    432--1711175954-011:20:17.620RrcRrcConRej[ 432 CI: 47348]

    432--1711176164-011:20:26.260RrcRrcConRej[ 432 CI: 47348]

    432--1711177461-011:20:51.560RrcRrcConRej[ 432 CI: 47348]

    432--1711177000-011:20:58.940RrcRrcConRej[ 432 CI: 47348]

    432--1711176286-011:21:29.808RrcRrcConRej[ 432 CI: 47348]

    432--1711177639-011:21:55.808RrcRrcConRej[ 432 CI: 47348]

    432--1711177037-011:22:13.779RrcRrcConRej[ 432 CI: 47348]

    432--1711177519-011:22:35.079RrcRrcConRej[ 432 CI: 47348]

    432--1711177407-011:22:41.779RrcRrcConRej[ 432 CI: 47348]

    432--1711176285-011:22:54.979RrcRrcConRej[ 432 CI: 47348]

    432--1711176784-011:23:53.828RrcRrcConRej[ 432 CI: 47348]

    432--1711177545-011:30:28.927RrcRrcConRej[ 432 CI: 47348]

    432--1711176200-011:30:39.755RrcRrcConRej[ 432 CI: 47348]

    432--1711176422-011:30:41.975RrcRrcConRej[ 432 CI: 47348]

    432--1711175880-011:30:50.395RrcRrcConRej[ 432 CI: 47348]

    432--1711177383-011:30:23.907RrcRrcConRej[ 432 CI: 47348]

    Sheet2

    Sheet3

    Sheet1

    NE NameEvent TimeStatusClear TimeAdditional TextProbable Cause

    RBS03471-012005-08-09T12:40:25 +0100Cleared2005-08-09T12:58:41 +0100loss of supervisioncommunicationsSubsystemFailure

    RBS03471-012005-08-09T12:34:58 +0100Cleared2005-08-09T12:39:25 +0100loss of supervisioncommunicationsSubsystemFailure

    RBS03471-012005-08-09T12:26:18 +0100Cleared2005-08-09T12:34:58 +0100loss of supervisioncommunicationsSubsystemFailure

    RBS03471-012005-08-09T12:22:42 +0100Cleared2005-08-09T12:26:09 +0100loss of supervisioncommunicationsSubsystemFailure

    RBS03471-012005-08-09T12:18:12 +0100Cleared2005-08-09T12:22:42 +0100loss of supervisioncommunicationsSubsystemFailure

    RBS03471-012005-08-09T11:25:46 +0100Cleared2005-08-09T12:18:12 +0100loss of supervisioncommunicationsSubsystemFailure

    RBS03471-012005-08-09T11:20:35 +0100Cleared2005-08-09T11:25:46 +0100loss of supervisioncommunicationsSubsystemFailure

    Sheet2

    Sheet3

  • *Example 1 (4/4)RRC Failure cause 3 - UnspecifiedConclusionsThe counter RRC.FailConnEstab.3 (cause: unspecified) is incremented when an RRC Connection Reject (cause: unspecified) is sent from the RNC to the UE. This happens when the RNC receives no answer, from the NodeB, to a Radio Link Setup Request.A possible root cause of this can be an hardware issue, as a link not stable.

  • *Example 2 (1/7)PS RRC Burst of failuresProblem descriptionBurst of PS Failures in RRC.FailConnEstab.2 counter.Consider the following counter related to Originating Interactive Call:RRC.FailConnEstab.2 = RRC.AttConnEstab.2 RRC.SuccConnEstab.Usually the number of failures is very low, but sometimes happens a cell is affected by a burst of failures. The cell is almost randomly every time, so this suggests a UE issue.Sometimes this problem cause a lot of failures (>100 in a 15 minutes period) on the cells X, but also is present, with less percentage, in the neighbours of cell X.DetectionActivate an alarm with quarter of hour granularity:RRC.Fail.2 + RRC.Fail.14 > 100 [FddCell, Quarter of Hour]=> ALARM!InvestigationOnce time the alarm appears on the Alarm Monitoring, the following is a needed:Activate an OTCell Trace in the cell identified by the alarm (1 hour)Possibility also to activate Iub trace in this cell to find the IMSITo execute ASAP the command usgsnCollectDataBase with debug access on OS CLI. It must be done on each USC. This will provide two files (mmContexts and pdpContexts). These tables are deleted each purgeMinAge hours (presently this parameter is set to 168h)Process the OTCell Trace in order to find the PTMSI of the mobile causing the problem (assuming that its due only to one mobile)Associate the PTMSI found with the IMSI, using the two files collected

  • *Example 2 (2/7)AlarmAlarm generated for the period 13:30 13:45Alarm raised at about 13:55CTg (ID 27) activated at 14:00 for one hour in the cell 3496 sec3.Example UA4.1(Other operator)

  • *Example 2 (3/7)CTg AnalysisExample UA4.1(Other operator)

  • *Example 2 (4/7)Counter AnalysisExample UA4.1(Other operator)

  • *Example 2 (5/7)First commentsThe Call Flow its the normal one you have in cases of RRC Repetitions. Note that the CTg considers each RRC Repetition as a new call, with a different TK.Despite the fact we have had 112 failures during the quarter 14:00 14:15, the CTg has been able to capture just 10 AF.The agreed procedure was to purge immediately the SGSN, in order to get the IMSI from the P-TMSI. But in reality the UE is giving its TMSI. Indeed the spec confirms that, also in case of PS Calls (in this case Originating Interactive Calls), the TMSI is passed (see backup slide).

    Example UA4.1(Other operator)

  • *Example 2 (6/7)USGSN Collected DatabaseCollect the data from the SGSNP-TMSI: 0b13393fIMSI: 234159026600909Example UA4.1(Other operator)

  • *

    Example 2 (7/7)Backup Selection of initial UE identityThe purpose of the IE "Initial UE identity" is to provide a unique UE identification at the establishment of an RRC connection. The type of identity shall be selected by the UE according to the following.Upper layers shall set the variable SELECTED_PLMN. If the variable SELECTED_PLMN in the UE indicates "GSM-MAP", the UE shall choose "UE id type" in the IE "Initial UE identity" with the following priority:1.TMSI (GSM-MAP): The TMSI (GSM-MAP) shall be chosen if available. The IE "LAI" in the IE "Initial UE identity" shall also be present when TMSI (GSM-MAP) is used, for making it unique.2.P-TMSI (GSM-MAP): The P-TMSI (GSM-MAP) shall be chosen if available and no TMSI (GSM-MAP) is available. The IE "RAI" in the IE "Initial UE identity" shall in this case also be present when P-TMSI (GSM-MAP) is used, for making it unique.3.IMSI (GSM-MAP): The IMSI (GSM-MAP) shall be chosen if available and no TMSI (GSM-MAP) or P-TMSI is available.4.IMEI: The IMEI shall be chosen when none of the above three conditions are fulfilled.

  • *Example 3 PS RRC burst due to mobile issueA single user can create more than 3000 PS RRC failures in 1 hour ( number depends on the user that may switch off the data card or force it to camp in GSM)Traces confirm that what was captured with PrOptima refers to a single user. P-TMSI were tracked down, the UE turned out to be a the same data card in both cases. IMEI TAC for this (351969) shows it is an Option colt 3G card which are actually old products When an old Data card comes to UMTS ( from 2G), it will create hundreds of RRC failures that creates a huge degradation on the serving cell RRC PS metric and even affects the RNC RRC PS metric during a short time (usually less than 1 hour)Old data cards not supporting SCCPCHclassid = 1 was the final reason of these failures

    Example UA4.2(Other operator)

  • Retainability troubleshootingAstelia Trace Analyzer based

  • *Service Request (Data)Security & Authentication FunctionRAB Assignment RequestIu Release Request: UE Generated Signaling Connection ReleaseData transfer: about 3.5 secRRC: Signaling Connection Release IndicationRAB Assignment ResponseIu Release CommandRRC: ReleaseRRC: Release CompleteIu Release CompleteUERNCSGSNPeriodically, the blackberry reestablish the connection to the Network for small data transfer (about 3.5sec).When the data transfer is finished, the UE originates a RRC Release with the message RRC: Signaling Connection Release Indication (as explained in 3GPP TS 25.331 8.1.14When receiving this message, the RNC initiates a Iu Release Request, with cause: UE Generated Signaling Connection ReleaseThis is considered by Nortel as an abnormal release and thus, the following counters are pegged:VS.IuAbnormRelReq (#547) at Cell levelVS.IuAbnormalReleaseRequest (#534) at RNC levelAccording to previous formulas, this behavior is considered as a drop PS !There is a wrong information is NTP 411-8111-822, Table 51: the cause is included in abnormal release, whereas NTP says the oppositeExample 2 (1/4) The Blackberry (RIM) behaviourExample UA4.2(Other operator)

  • *60% of the drops on the 24th are generated by only 9 UEs.8 UEs have the blackberry behavior1 is a Motorola UE (by IMEI) not supporting the granted RAB (capability check feature was not activated on this RNC)The cause UE Generated Signaling Connection Release is responsible of 57% of the abnormal releasesExample 1 (2/4)Impact of the Blackberry behaviour on the 24thExample UA4.2(Other operator)

    Sheet1

    IMSICOUNTImpactAPNRelease Cause

    20610600032817815110.3638%blackberry.netRelUEsigconnRel

    2061025000890311459.9520%defaultRelUEsigconnRel

    2061060003281811127.6870%blackberry.netRelUEsigconnRel

    2061060003281921097.4811%blackberry.netRelUEsigconnRel

    206102000495212805.4907%blackberry.netRelUEsigconnRel

    206102000461182775.2848%blackberry.netRelUEsigconnRel

    206105100465005714.8730%mworld.beFailRIFProc

    206102500053201694.7358%blackberry.netRelUEsigconnRel

    206106000328177604.1181%defaultRelUEsigconnRel

    Sheet2

    Sheet3

    Sheet1

    CAUSERATE

    Others (

  • *Attach Request (Follow-On pending)Security & Authentication FunctionRAB Assignment RequestIu Release Request: Failure in Radio Interface ProcedureRAB Assignment Response: Failure in Radio Interface ProcedureIu Release CommandRRC: Release CompleteIu Release CompleteUERNCSGSNAfter successful Attach procedure, the UE tries to activate a PDP ContextThe SGSN sends a RAB Assignment to the RNCThe RNC sends the RB Setup message to the UEThe default RB allocated by the RNC is UL128 and DL384, which is not supported by this UE.The flag isUeCapabilitiesinRabMatchingAllowed was set to false on this RNC by this time: the RNC allocates a RB that is not supported by the UE

    The same procedures fails 71 times in a row between 01:50AM and 09:50AM

    Attach AcceptActivate PDP Context RequestAttach CompleteActivate PDP Context RejectRRC: ReleaseRRC: RB SetupRRC: RB Setup FailureExample UA4.2(Other operator)Example 1 (3/4)The IMSI 206105100465005 behavior

  • *In order to remove the Release99 PS Drops "invented" by Black Berry 8707 mobilesmbk_42_Iu008_Fcell&RNC_PS R99DL%Iu Abnormal Release Request 061024 BRL reduced by 'VS.IuReleaseRequestPs.UeGeneratedSignallingConnectionRelease'[FddCell,Time] because ofRIM 8707mbk_42_Iu008_Fcell&RNC_PS%Iu Abnormal Release Request 061024 BRL reduced by 'VS.IuReleaseRequestPs.UeGeneratedSignallingConnectionRelease'[FddCell,Time] because ofRIM 8707Example 1 (4/4) The Blackberry (RIM) behaviourMBK metrics

  • 3G 2G Mobility troubleshootingCT based

  • 3g->2G HO failures in one RNC

  • *Example 1. 3g->2G HO failures in one RNC (1/6)Preparation And Execution Phases CS HHO 3G2GThe HHO success metric is bad because of the preparation phaseExample UA4.2(Other operator)

  • *Example 1 (2/6)CTG on RNC before changing MSC timer The majority of preparation Failures comes after a HHOfromUtran failure

    Is like 2G resources were late released several seconds after the HHO failur

    More cases on:

    After a Execution Fail, all Relocation Attemps fails during 5 secs

  • *Example 1. 3g->2G HO failures in one RNC (3/6)Peformances on RNC after changing MSC Timer to 1 sec After the change , there is a small reduction of the preparation failure but execution failure increases.

    Globally on the metric 3g2g success there is not much improvement

  • *Example 1. 3g->2G HO failures in one RNC (4/6)CTG on RNC After changing MSC timer (1) Will succeed since MSC timer has expired MSC timer =1secHHO failure due to radiostill 1 residual preparation failure after a RRC_HHOFailHHO is performed earlier than with a MSC timer of 5 secs

  • *Example 1. 3g->2G HO failures in one RNC (5/6)CTG on RNC503 After changing MSC timer (2) This and more cases on :

  • *Example 1. 3g->2G HO failures in one RNC (6/6)ConclusionWe are used that a 2G datafill problem creates a HHO preparation failure. This is the case when for example a BSC changes of LAC and is not updated on 3G side so that the MSC3G can not find the target BSC and sends a preparation failure to the RNCNevetheless the last scenario of HHO shows that when LAC and Cellid is the same in 3G&2G but bcch is different on 2G, the RNC will send a RR HHO to a bcch not measured by the UE creating an HHO execution failure.In such a scenario , the change of MSC from 5 secs to 1 sec can only exchange some preparation failure by execution failures

  • HHO Analysis and Troubleshooting

    V1.01Nice presentation (very big) necessary to filter slides.It contains Counter analysis + CTgExample UA4.0(Other operator)

  • *ContentHHO Metrics-General StatusHHO Preparation Analysis and ResultsCTG Analysis and ResultsRelocation Preparation FailuresPhysical Synchronization GSM Channel FailuresAction Points

  • *HHO Metrics-General Status Road MapCS 3G2G Mobility Analysis Network levelCountersCS 3G2G Mobility Analysis RNC levelCountersCS 3G2GPreparation Analysis Cell levelCounters

    CS 3G2G Mobility Analysis RNC levelCountersCS 3G2GPreparation Analysis Selected CellsCTG Odinium

    Preparation partLow rate execution part 2G sideCTG Odinium Analysiswas done on RNC6General Issue Found for go to page 44ActionAction

  • *HHO Metrics-General Status Counter&Formulas#0109 3g to 2g ho detection from fddcellMeasurement Report#0521 Iu relocation required#0524 Iu relocation command#0101 HO from UTRAN command#0505 Iu Release Command

  • *HHO Metrics-General Status Counter&Formulas#0101 HO from UTRAN command#0103 HO From UTRAN Failure

  • *HHO Metrics-General Status Counter&Formulas

    Sheet25

    3G-2G CS Handover (Successful case)

    UE

    Node B

    RNC

    CN - CS

    Handover from UTRAN Command

    BSS

    Relocation Command

    Radio Link Deletion Request

    Radio Link Deletion Response

    Relocation Required

    Physical information

    Measurement Report

    Handover Access

    Handover Complete

    Iu Release Command

    Iu Release Complete

    Decision for HHO

    Released

    .

    #0109,110 3g to 2g ho detection from fddcell

    #0521 Iu relocation required

    #0524 Iu relocation command

    #0101,102 HO from UTRAN command

    #0505 Iu Release Command

    3G-2G CS Handover (Failure on target system)

    UE

    Node B

    RNC

    CN - CS

    BSS

    Handover from UTRAN Command

    Relocation Command

    Relocation Required

    Measurement Report

    Handover failure on the target system

    Handover from UTRAN Failure

    .

    Relocation Cancel

    #0103,104 HO From UTRAN Failure

    #0101,102 HO from UTRAN command

    GRaph

    GRaph

    0.93808818080.82246534220.85666890480.96007376670.7790789031866384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488384883848838488

    0.94318996420.79471784150.82853885620.95917992940.7407289342890384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489384893848938489

    0.94068864160.81062381430.84566454640.9585642650.7648462726942384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490384903849038490

    0.94366053520.80363190890.83829357930.95865211040.752699784962384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491384913849138491

    0.94707166240.8159688880.8448242750.96584451010.7500993071601384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492384923849238492

    0.94997444780.83227734610.85845786010.96950285480.7787036519438384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493384933849338493

    0.94264216970.8000074250.83379120880.95948172220.7560787341910384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494384943849438494

    0.9506587080.82218754640.85555060190.96100399510.7779379196898384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495384953849538495

    0.94692299660.81338041120.84795321640.95922793320.7701281516940384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496384963849638496

    0.94400301390.80372238150.83934985310.95755349040.7613238023982384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497384973849738497

    0.94198788190.80970302450.84419050230.95914728050.76410951831008384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498384983849838498

    0.94797321750.83186981010.8618879450.96517165010.7809587814629384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499384993849938499

    0.94065896150.8303074760.86026040710.96518155330.7628755967490385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500385003850038500

    0.93637256970.8211461340.85577751960.95953225590.7664241237924385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501385013850138501

    0.94167935760.81637078690.84845811740.96218159760.7677232035873385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502385023850238502

    0.94653050.82344607110.85763068990.96014063030.7816206897941385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503385033850338503

    0.93757712880.81890972910.85404555590.95885954020.7726378971961385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504385043850438504

    0.92527821940.81622133390.85002454590.96023266370.7563852603964385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505385053850538505

    0.95540772530.83495799830.86613359690.96400601630.7995096352694385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506385063850638506

    0.9487077760.8419260410.8695262560.96825833050.7875824299462385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507385073850738507

    &A

    Page &P

    3G2G CS HHO preparation success rate at RNC level ALL

    HHO 3G2G CS Execution Success Rate ALL

    HHO 3G2G CS Execution Success Rate - 2G side ALL

    HHO 3G2G CS Execution Success Rate - 3G side ALL

    HHO 3G2G CS success rate ALL

    Number of calls dropped due to 3G2G HHO CS ALL

    3G2G CS HHO preparation success rate at RNC level RNC1_CN

    HHO 3G2G CS Execution Success Rate RNC1_CN

    HHO 3G2G CS Execution Success Rate - 2G side RNC1_CN

    HHO 3G2G CS Execution Success Rate - 3G side RNC1_CN

    HHO 3G2G CS success rate RNC1_CN

    Number of calls dropped due to 3G2G HHO CS RNC1_CN

    3G2G CS HHO preparation success rate at RNC level RNC2_CN

    HHO 3G2G CS Execution Success Rate RNC2_CN

    HHO 3G2G CS Execution Success Rate - 2G side RNC2_CN

    HHO 3G2G CS Execution Success Rate - 3G side RNC2_CN

    HHO 3G2G CS success rate RNC2_CN

    Number of calls dropped due to 3G2G HHO CS RNC2_CN

    3G2G CS HHO preparation success rate at RNC level RNC3_CN

    HHO 3G2G CS Execution Success Rate RNC3_CN

    HHO 3G2G CS Execution Success Rate - 2G side RNC3_CN

    HHO 3G2G CS Execution Success Rate - 3G side RNC3_CN

    HHO 3G2G CS success rate RNC3_CN

    Number of calls dropped due to 3G2G HHO CS RNC3_CN

    3G2G CS HHO preparation success rate at RNC level RNC4_CN

    HHO 3G2G CS Execution Success Rate RNC4_CN

    HHO 3G2G CS Execution Success Rate - 2G side RNC4_CN

    HHO 3G2G CS Execution Success Rate - 3G side RNC4_CN

    HHO 3G2G CS success rate RNC4_CN

    Number of calls dropped due to 3G2G HHO CS RNC4_CN

    3G2G CS HHO preparation success rate at RNC level RNC5_CN

    HHO 3G2G CS Execution Success Rate RNC5_CN

    HHO 3G2G CS Execution Success Rate - 2G side RNC5_CN

    HHO 3G2G CS Execution Success Rate - 3G side RNC5_CN

    HHO 3G2G CS success rate RNC5_CN

    Number of calls dropped due to 3G2G HHO CS RNC5_CN

    3G2G CS HHO preparation success rate at RNC level RNC6_CN

    HHO 3G2G CS Execution Success Rate RNC6_CN

    HHO 3G2G CS Execution Success Rate - 2G side RNC6_CN

    HHO 3G2G CS Execution Success Rate - 3G side RNC6_CN

    HHO 3G2G CS success rate RNC6_CN

    Number of calls dropped due to 3G2G HHO CS RNC6_CN

    3G2G CS HHO preparation success rate at RNC level RNC7_CN

    HHO 3G2G CS Execution Success Rate RNC7_CN

    HHO 3G2G CS Execution Success Rate - 2G side RNC7_CN

    HHO 3G2G CS Execution Success Rate - 3G side RNC7_CN

    HHO 3G2G CS success rate RNC7_CN

    Number of calls dropped due to 3G2G HHO CS RNC7_CN

    3G2G CS HHO preparation success rate at RNC level RNC8_CN

    HHO 3G2G CS Execution Success Rate RNC8_CN

    HHO 3G2G CS Execution Success Rate - 2G side RNC8_CN

    HHO 3G2G CS Execution Success Rate - 3G side RNC8_CN

    HHO 3G2G CS success rate RNC8_CN

    Number of calls dropped due to 3G2G HHO CS RNC8_CN

    Sheet24

    DATENE5/16/055/17/055/18/055/19/055/20/055/21/055/22/055/23/055/24/055/25/055/26/055/27/055/28/055/29/055/30/055/31/056/1/056/2/056/3/056/4/05

    3G2G CS HHO preparation success rate at RNC levelALL0.93808818080.94318996420.94068864160.94366053520.94707166240.94997444780.94264216970.9506587080.94692299660.94400301390.94198788190.94797321750.94065896150.93637256970.94167935760.94653050.93757712880.92527821940.95540772530.948707776

    HHO 3G2G CS Execution Success RateALL0.82246534220.79471784150.81062381430.80363190890.8159688880.83227734610.8000074250.82218754640.81338041120.80372238150.80970302450.83186981010.8303074760.8211461340.81637078690.82344607110.81890972910.81622133390.83495799830.841926041

    HHO 3G2G CS Execution Success Rate - 2G sideALL0.85666890480.82853885620.84566454640.83829357930.8448242750.85845786010.83379120880.85555060190.84795321640.83934985310.84419050230.8618879450.86026040710.85577751960.84845811740.85763068990.85404555590.85002454590.86613359690.869526256

    HHO 3G2G CS Execution Success Rate - 3G sideALL0.96007376670.95917992940.9585642650.95865211040.96584451010.96950285480.95948172220.96100399510.95922793320.95755349040.95914728050.96517165010.96518155330.95953225590.96218159760.96014063030.95885954020.96023266370.96400601630.9682583305

    HHO 3G2G CS success rateALL0.77907890310.74072893420.76484627260.7526997840.75009930710.77870365190.75607873410.77793791960.77012815160.76132380230.76410951830.78095878140.76287559670.76642412370.76772320350.78162068970.77263789710.75638526030.79950963520.7875824299

    Number of calls dropped due to 3G2G HHO CSALL8668909429626014389108989409821008629490924873941961964694462

    Counter and Formulas

    IdProptima Counter

    109.[0]VS.3gto2gHoDetectionFromFddcell.RescueCs

    109.[1]VS.3gto2gHoDetectionFromFddcell.RescuePs

    109.[2]VS.3gto2gHoDetectionFromFddcell.ServiceCs

    521.[0]VS.IuRelocationRequired.WithCoreNetworkCs

    521.[1]VS.IuRelocationRequired.WithCoreNetworkPs

    524.[0]VS.IuRelocationCommands.WithCoreNetworkCs

    524.[1]VS.IuRelocationCommands.WithCoreNetworkPs

    101.[0]VS.RrcHoFromUtranCommand.RescueCs

    101.[1]VS.RrcHoFromUtranCommand.ServiceCs

    505.[1]IRATHO.SuccOutCS

    102.[0]VS.RrcHoFromUtranCommandNeighbRnc.RescueCs

    102.[1]VS.RrcHoFromUtranCommandNeighbRnc.ServiceCs

    110.[0]VS.3gto2gHoDetectionFromFddcellNeighbRnc.RescueCs

    110.[1]VS.3gto2gHoDetectionFromFddcellNeighbRnc.RescuePs

    110.[2]VS.3gto2gHoDetectionFromFddcellNeighbRnc.ServiceCs

    103.[0]VS.RrcHoFromUtranFailure.RescueCs

    103.[1]VS.RrcHoFromUtranFailure.ServiceCs

    104.[0]VS.RrcHoFromUtranFailureNeighbRnc.RescueCs

    104.[2]VS.RrcHoFromUtranFailureNeighbRnc.ServiceCs

    Global HHO 3G2G CS success rate =(#0505.[1]) / (#0109.[0,2])

    3G2G CS HHO preparation success rate at RNC level =(#0101[0] + #0102[0]) / (#0109[0] + #0110[0])

    (#0505.[1]) / (#0101[0] + #0102[0])

    (#0505.[1]) / (#0101[0] + #0102[0] - (#0103[0] + #0104[0] ))

    1 - (#0103.[0]+#0104.[0]) / (#0101.[0]+#0102.[0])

    CS 3G2G HHO execution failure rate (2G side) =(#0103.[0]+#0104.[0]) / (#0101.[0]+#0102.[0])

    Metrics

    DATENEHHO 3G2G CS success rate3G2G CS HHO preparation success rate at RNC levelHHO 3G2G CS Execution Success RateHHO 3G2G CS Execution Success Rate - 3G sideHHO 3G2G CS Execution Success Rate - 2G sideNumber of calls dropped due to 3G2G HHO CS

    5/16/05RNC1_CN0.76915974150.98085291560.73913043480.90543478260.816326530687

    5/17/05RNC1_CN0.79130434780.97292418770.75974025970.89410480350.849721706997

    5/18/05RNC1_CN0.79252336450.98173913040.75110717450.89925768820.835252435895

    5/19/05RNC1_CN0.74623871610.9692737430.71469740630.90842490840.786743515975

    5/20/05RNC1_CN0.78333333330.96736292430.76113360320.92156862750.825910931248

    5/21/05RNC1_CN0.68770226540.97040498440.68218298560.91397849460.74638844340

    5/22/05RNC1_CN0.793750.98583569410.72988505750.88604651160.823754789398

    5/23/05RNC1_CN0.76524112830.9777397260.73642732050.90042826550.817863397593

    5/24/05RNC1_CN0.7806691450.97827975670.74600355240.89935760170.829484902394

    5/25/05RNC1_CN0.76021080370.95594713660.75971033570.9151467090.8301514154107

    5/26/05RNC1_CN0.73345259390.9602498580.72738024840.91586001490.7942046127113

    5/27/05RNC1_CN0.7790476190.97093551320.76520112250.93378995430.819457436958

    5/28/05RNC1_CN0.81148748160.98039215690.78714285710.94027303750.837142857135

    5/29/05RNC1_CN0.74667553190.96808510640.72592113770.90345937250.803490627120

    5/30/05RNC1_CN0.77002762430.97442622950.75033647380.92607973420.810228802289

    5/31/05RNC1_CN0.74821080030.96410891090.73812580230.90408805030.8164313222122

    6/1/05RNC1_CN0.73950617280.97479484170.72038484670.90551776270.7955502105125

    6/2/05RNC1_CN0.75931582160.96734693880.74924653410.92142327650.8131404461106

    6/3/05RNC1_CN0.74958123950.95939490450.74273858920.91606960080.810788381782

    6/4/05RNC1_CN0.78614457830.97266187050.77218934910.92882562280.831360946740

    ByDay

    DATENE109.[0]109.[1]109.[2]521.[0]521.[1]524.[0]524.[1]101.[0]101.[1]505.[1]102.[0]102.[1]110.[0]110.[1]110.[2]103.[0]103.[1]104.[0]104.[2]

    5/16/05RNC1_CN10830015510150801062083365066001930140

    5/16/05RNC2_CN147600166501606014260110861064002830150

    5/16/05RNC3_CN3587310386703716034490279967070005680210

    5/16/05RNC4_CN214315023520227902085016251220126003660250

    5/16/05RNC5_CN34780038380367503331028873603800397050

    5/16/05RNC6_CN38520039450361203526029533003000487090

    5/16/05RNC7_CN546100550904943048960425430300564000

    5/16/05RNC8_CN5506970586105364051540436560700681010

    5/16/05ALL2658614302858802670302492902082439004040035390900

    5/17/05RNC1_CN10350015670150801006081972073001490130

    5/17/05RNC2_CN138500158101529013460103583089002730230

    5/17/05RNC3_CN47299105046048570455902987720740014730150

    5/17/05RNC4_CN210910022910220602034015621170123004060310

    5/17/05RNC5_CN338100371303628033100286134034003870110

    5/17/05RNC6_CN36600037250342303362028611802000420040

    5/17/05RNC7_CN5632005703051330508304430502500580010

    5/17/05RNC8_CN5508693058280550105204043581002300723030

    5/17/05ALL27439794029454027785025904020913411046100441101010

    5/18/05RNC1_CN10700016000155401052084877080001700160

    5/18/05RNC2_CN137300157601541013460101674077002990250

    5/18/05RNC3_CN397930425704140038790291059063008720140

    5/18/05RNC4_CN21150023710229102052015931400145003760490

    5/18/05RNC5_CN364500398203796034730301236038004040110

    5/18/05RNC6_CN47930048210445004424036612502800629070

    5/18/05RNC7_CN54010055310505304923042311101100614040

    5/18/05RNC8_CN5747366057620531505299045211301300658010

    5/18/05ALL28123369029900028140026448021792435045500402201270

    5/19/05RNC1_CN997001563015050968074473077001970250

    5/19/05RNC2_CN137700153801484013250100356056002730100

    5/19/05RNC3_CN417013204474042910399302876650680010340120

    5/19/05RNC4_CN21750023920230002099015761310136004320350

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    160505

    Day: 16 May 05109.[0]109.[1]109.[2]521.[0]521.[1]524.[0]524.[1]101.[0]101.[1]505.[1]102.[0]102.[1]110.[0]110.[1]110.[2]103.[0]103.[1]104.[0]104.[2]

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