诺基亚指标统计说明Word下载.docx
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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
TSDSC
thecounterisupdatedwhenallSDCCHsareoccupiedandaTCHisseizedintheFACCHcallsetupprocedure
TCH_SEIZ_DUE_SDCCH_CON
1099
1.1.3.SDCCHCongestion
measuredinseconds
SCONG
SDCCHCONGESTION
SCT
SDCCHcongestiontime.ThetimemeasurementisstartedwhenallSDCCHsareoccupied(lastfreeSDCCHisjustseized)andstoppedwhenthefirstSDCCHisreleasedandmarkedasfree.
SDCCH_CONG_TIME
2033
1.1.4.PeakbusySDCCH
measuredinnumberofchannels
PBSR
PEAKNUMBEROFBUSYSDCCHCHANNELS
PBS
countergivesinformationaboutthepeaknumberofbusySDCCHsinameasurementperiod,counterisupdatedandreportedwhenthenumberofoccupiedSDCCHsexceedsthepreviouspeakvalue
PEAK_BUSY_SDCCH
2032
1.1.5.SDCCHTraffic
ABS
AVERAGEBUSYSDCCHCHANNELS
ABSD
averagenumberofbusySDCCHsubchannels.ThesampledcounterisupdatedwhenaSDCCHisseizedorreleased.
AVE_BUSY_SDCCH
2030
RAD15
denominatoroftheaveragenumberofbusySDCCHsubchannels
RES_AV_DENOM15
2031
1.1.6.AveragenumberofavailableSDCCH
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
ANAS
averagenumberoftheSDCCHsnotavailable
AVE_NON_AVAIL_SDCCH
2038
RAD18
denominatoroftheaveragenonavailable