诺基亚指标统计说明.docx

诺基亚指标统计说明.docx

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诺基亚指标统计说明

NetworkOptimisation

CalculationofQualityIndicatingFigures

Trainingdocument

Copyright©by

NOKIA

ThisDocumentisfortrainingpurposesonly-noupdateservice

Number/VersionCheckedbyApprovedbyPage

NTCDTSG0072en/3.1Mar-98PBe/ThB/MKoMar-98/JNi1（34）

Contents

1.FormulasbasedonBSCmeasurements5

1.1.SDCCHrelatedformulas5

1.1.1.BlockedSDCCHRate5

1.1.2.BlockedSDCCHRateconsideringFACCHcallsetup5

1.1.3.SDCCHCongestion6

1.1.4.PeakbusySDCCH6

1.1.5.SDCCHTraffic7

1.1.6.AveragenumberofavailableSDCCH7

1.1.7.SDCCHAvailability8

1.2.TCHrelatedformulas8

1.2.1.TCHBlocking8

1.2.2.TCHCallBlocking9

1.2.3.TCHCongestion9

1.2.4.AverageTCHUsage10

1.2.5.PeakbusyTCH11

1.2.6.TCHTraffic11

1.2.7.AverageTCHHoldingTime12

1.2.8.TCHAvailability12

1.3.CallSet-upSuccessRate13

1.3.1.SDCCHSuccessRateforCall13

1.3.2.CallSetupSuccessRatio（Subscriber）15

1.4.DropOutRate15

1.4.1.DropOutRateonBTSLevel15

1.4.2.DropOutRateonBSCLevel17

1.5.CallCompletionRate17

1.6.HandoverSuccessRate17

1.6.1.OverallHandoverSuccessRate17

1.6.2.HandoverSuccessRateforBSCcontrolledhandovers19

1.6.3.HandoverSuccessRateforMSCcontrolledhandovers20

1.7.Interference20

1.8.Handoverratios21

1.8.1.HandoverduetouplinkqualityRate21

1.8.2.HandoverduetouplinklevelRate22

1.8.3.HandoverduetodownlinkqualityRate23

1.8.4.HandoverduetodownlinklevelRate23

1.8.5.HandoverduetohighinterferenceonuplinkRate24

1.8.6.HandoverduetohighinterferenceondownlinkRate24

1.8.7.HandoverduetopowerbudgetRate25

1.9.RXquality25

2.FormulasbasedonBSCclearcodeSERVLEVmeasurementcounters26

2.1.DroppedCallRate26

2.2.HandoverFailureRate27

2.3.CallSuccessRate29

2.4.CallSet-upSuccessRate30

3.Relationbetweencounternumberandmeasurement/observationtype31

3.1.BSCmeasurements31

3.2.BSCobservations32

3.3.BSClongperiodmeasurementdatatables33

4.References34

1.FormulasbasedonBSCmeasurements

1.1.SDCCHrelatedformulas

1.1.1.BlockedSDCCHRate

measuredin%

Counter

/short

description

databasename

counterno.

SBL

SDCCHBLOCKING

SBA

SDCCHseizureattemptsthatareunsuccessfulbecauseallSDCCHsarebusy

SDCCH_BUSY_ATT

1001

SSA

SDCCHseizureattempts

SDCCH_SEIZ_ATT

1000

1.1.2.BlockedSDCCHRateconsideringFACCHcallsetup

measuredin%

Counter

/short

description

databasename

counterno.

SBL

SDCCHBLOCKING

SBA

SDCCHseizureattemptsthatareunsuccessfulbecauseallSDCCHsarebusy

SDCCH_BUSY_ATT

1001

SSA

SDCCHseizureattempts

SDCCH_SEIZ_ATT

1000

TSDSC

thecounterisupdatedwhenallSDCCHsareoccupiedandaTCHisseizedintheFACCHcallsetupprocedure

TCH_SEIZ_DUE_SDCCH_CON

1099

1.1.3.SDCCHCongestion

measuredinseconds

Counter

/short

description

databasename

counterno.

SCONG

SDCCHCONGESTION

SCT

SDCCHcongestiontime.ThetimemeasurementisstartedwhenallSDCCHsareoccupied（lastfreeSDCCHisjustseized）andstoppedwhenthefirstSDCCHisreleasedandmarkedasfree.

SDCCH_CONG_TIME

2033

1.1.4.PeakbusySDCCH

measuredinnumberofchannels

Counter

/short

description

databasename

counterno.

PBSR

PEAKNUMBEROFBUSYSDCCHCHANNELS

PBS

countergivesinformationaboutthepeaknumberofbusySDCCHsinameasurementperiod,counterisupdatedandreportedwhenthenumberofoccupiedSDCCHsexceedsthepreviouspeakvalue

PEAK_BUSY_SDCCH

2032

1.1.5.SDCCHTraffic

measuredinnumberofchannels

Counter

/short

description

databasename

counterno.

ABS

AVERAGEBUSYSDCCHCHANNELS

ABSD

averagenumberofbusySDCCHsubchannels.ThesampledcounterisupdatedwhenaSDCCHisseizedorreleased.

AVE_BUSY_SDCCH

2030

RAD15

denominatoroftheaveragenumberofbusySDCCHsubchannels

RES_AV_DENOM15

2031

1.1.6.AveragenumberofavailableSDCCH

measuredinnumberofchannels

Counter

/short

description

databasename

counterno.

AAS

AVERAGEAVAILABLESDCCHCHANNELS

ASS

averagenumberofavailableSDCCHsubchannels.Thesampledcounterisupdatedwhenthe:

-TRXisdeblocked/blocked

-TSLisdeblocked/blocked.

AVE_SDCCH_SUB

2004

RAD3

denominatoroftheaveragenumberofSDCCHsubchannels（always>0）

RES_AV_DENOM3

2005

1.1.7.SDCCHAvailability

measuredin%

Counter

/short

description

databasename

counterno.

ASS

averagenumberofavailableSDCCHsubchannels.Thesampledcounterisupdatedwhenthe:

-TRXisdeblocked/blocked

-TSLisdeblocked/blocked.

AVE_SDCCH_SUB

2004

RAD3

denominatoroftheaveragenumberofSDCCHsubchannels（always>0）

RES_AV_DENOM3

2005

ANAS

averagenumberoftheSDCCHsnotavailable

AVE_NON_AVAIL_SDCCH

2038

RAD18

denominatoroftheaveragenonavailable