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PLO 2G
Workshop,16 June 2010
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Process Implementation New site
Process for PLO
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Process Implementation Upgrade
In process upgrading TRX, there isnt used Lock Value, after Implementation, check alarm, if clear, can beanouncement that site is on Air
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Lock Value
For Site RFI, The Measurement for lock value min 3 hourly,
Denses Urban, Urban, Sub Urban : 3%
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Measurement
KPI measurements statistics are measured 24 hours aggregation usingdata from OSS system. Method and scope as follows:
i. For new sites : using three(3) consecutive days measurement
ii. For work description swap Network Element, Relocation
Network Element, and Relocation Expansion NE, all KPI
parameter will be monitored for 3 working days before and 3working days after.iii. For upgrading with additional sector/antenna
iv. For upgrading without additional antenna.
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Based on Tinem 3, For Newsite we have Monitoring 6 KPI :
Voice :
1. SDSR (SDCCH Success Rate %)
2. HOSR (Hand Over Success Rate %)
3. TCHDR (TCH Drop Rate %)
Data:1. TBFDLR (TBF Down-link Establishment Success Rate %)
2. TBFULR (TBF uplink Establishment Success Rate %)
3. TBFSR (TBF Success Rate %)
Additional Monitoring :
1. Traffic & TCHB
2. Share Traffic & KPI Surronding fist layer
Drive Test:
1. CSSR
2. Dropped Calls
3. HOSR
4. RX Qual 0-5
5. SQI-18
6. Idle Rx Level > -90 dBm
7. Attach Success Ratio
8. PDP Context Succes Ratio
9. GPRS throughput
KPI Newsite
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Based on Tinem 3, For Upgrade we have Monitoring 6 KPI :
Voice :
1. SDSR (SDCCH Success Rate %)
2. HOSR (Hand Over Success Rate %)
3. TCHDR (TCH Drop Rate %)
Data:
1. TBFDLR (TBF Down-link Establishment Success Rate %)
2. TBFULR (TBF uplink Establishment Success Rate %)
3. TBFSR (TBF Success Rate %)
Additional Monitoring :
1. Traffic & TCHB
2. KPI Surronding fist layer
Drive Test for additional antenna/additional sector:1. Idle & Dedicated Rx Level
2. RX Qual 0-5
3. SQI 0-18
KPI Upgrade
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FormulaKPI NSN
SDSR (%) 100*(((SDCCH_ASSIGN+SDCCH_HO_SEIZ)-
(SDCCH_RADIO_FAIL+SDCCH_A_IF_FAIL_CALL+SDCCH_ABIS_FAIL_C
ALL+SDCCH_USER_ACT+SDCCH_BCSU_RESET+SDCCH_NETW_ACT+
SDCCH_BTS_FAIL+SDCCH_LAPD_FAIL+SDCCH_RF_OLD_HO+SDCCH_
ABIS_FAIL_OLD+SDCCH_A_IF_FAIL_OLD))/SDCCH_SEIZ_ATT)
TCH Drop (%) 100*sum(drop_after_tch_assign -
TCH_RE_EST_ASSIGN)/sum(tch_new_call_assign)
HOSR (%) 100*sum(msc_o_succ_ho+bsc_o_succ_ho+cell_succ_ho)/(sum(msc_o_tch_
tch_at+msc_o_sdcch_tch_at+msc_o_sdcch_at)
+sum(bsc_o_tch_tch_at+bsc_o_sdcch_tch_at+bsc_o_sdcch_at)+sum(cell_tc
h_tch_at+cell_sdcch_tch_at+cell_sdcch_at))
TBF DL Establishment SR (%) 100-
(100*Sum([NO_RADIO_RES_AVA_DL_TBF])/Sum([REQ_1_TSL_DL]+[REQ
_2_TSL_DL]+[REQ_3_TSL_DL]+[REQ_4_TSL_DL]+[REQ_5_8_TSL_DL]))
TBF UL Establishment SR (%) 100-
(100*Sum(NO_RADIO_RES_AVA_UL_TBF)/Sum(REQ_1_TSL_UL+REQ_2
_TSL_UL+REQ_3_TSL_UL+REQ_4_TSL_UL+REQ_5_8_TSL_UL))
TBF Completion SR (%) 100*(1-(Sum(nbr_of_ul_tbf+nbr_of_dl_tbf-ul_tbf_establishment_failed-
dl_tbf_establishment_failed-ul_egprs_tbf_rel_due_no_resp-
dl_egprs_tbf_rel_due_no_resp-ave_dur_ul_tbf-ave_dur_dl_tbf-
ul_tbf_rel_due_to_flush-dl_tbf_rel_due_to_flush-ul_tbf_rel_due_to_suspend-
dl_tbf_rel_due_to_suspend)/Sum(nbr_of_ul_tbf+nbr_of_dl_tbf-
ul_tbf_establishment_failed-dl_tbf_establishment_failed-
ul_egprs_tbf_rel_due_no_resp-dl_egprs_tbf_rel_due_no_resp-
ul_tbf_rel_due_to_flush-dl_tbf_rel_due_to_flush-ul_tbf_rel_due_to_suspend-
dl_tbf_rel_due_to_suspend)))
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2G Acceptance Value
Target for acceptance GSM/ DCS based on Cluster
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NPT (Network performance Target)
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SDSRKPI NSN
SDSR (%) 100*(((SDCCH_ASSIGN+SDCCH_HO_SEIZ)-
(SDCCH_RADIO_FAIL+SDCCH_A_IF_FAIL_CALL+SDCCH_ABIS_FAIL_CALL+SDCCH_USER_ACT+SDCCH_
BCSU_RESET+SDCCH_NETW_ACT+SDCCH_BTS_FAIL+SDCCH_LAPD_FAIL+SDCCH_RF_OLD_HO+SDCC
H_ABIS_FAIL_OLD+SDCCH_A_IF_FAIL_OLD))/SDCCH_SEIZ_ATT)
SDRCauseRFCall
Check SDSR
SD BlokingCheck SD on
TRX,AddSDCCH
SD Drop Cause
SDRCauseAbisCallSDRCauseRFOld SDRCauseAbisOld SDRCauseAifCall SDRCauseAifOld SDRCauseLAPD
Check RF,Freq,MALLID,Change Parameter Check in Part BSC
Over shoot
Check in Part MSC
LAC/CI alreadyCreate or not?
Check alarm forLAPD in BTS
Yes
No
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HOSRKPI NSN
HOSR (%) 100*sum(msc_o_succ_ho+bsc_o_succ_ho+cell_succ_ho)/(sum(msc_o_tch_tch_at+msc_o_sd
cch_tch_at+msc_o_sdcch_at)
+sum(bsc_o_tch_tch_at+bsc_o_sdcch_tch_at+bsc_o_sdcch_at)+sum(cell_tch_tch_at+cell_sdc
ch_tch_at+cell_sdcch_at))
CauseULLevel
Check HOSR HO Analysis HO Drop
CauseULQuality
CauseDLLevel
CauseDLQuality
SCauseULInterference
CauseDLInterference
CauseUmbrella
CausePBGT
CauseDR
CauseRFD
CauseERFD
CauseSMM
No TCH Available in target cell
TCH Target Blocking,(ND 153)
Make Justification
Check Quality TRX, CheckParameter
Check Freq, TRX,
Check HO LEVEL UMBRELLA
Check Margin PBGT
Check HOC
Check HOC
Check FMT
Check ADJE
ND 153
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TCHDROPKPI NSN
TCH Drop (%) 100*sum(drop_after_tch_assign -
TCH_RE_EST_ASSIGN)/sum(tch_new_call_assign)
CauseRFCalll
Check TCHDROP
TCHDrop Cause
CauseAbisCallCauseRFOld CauseAbisOld CauseTRCall CauseTROld CauseAifCall CauseAifOld CauseLAPD
Check freq,MALLID,CheckParameter
Check in BSC
Oveershoot or not?
Check in BSC
Oveershoot or not?
Check in Part MSC
LAC/CI already
Create or not?
Check alarm forLAPD in BTS
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Sample NDND 196
ND 195
ND 196, For Check Quality ofTRX, see on Q5, if there ismeasure under 90% on Q5UL/DL, sucpect problem onthat TRX,
For Intrf freq must be 1.0, ifgreather than 1.0, suspectinterference
ND 195, For Check Quality of
Balance per TRX
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ND 153
ND 153, for Check
Adjacency, we can see thatsite blocking/HO failure toadje
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ND 232
ND 232, for check TA(Time Advance) for thatsite.
ND 70, for check MaxAdjacency
ND 70
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ND 61
ND 61, for check non symetricalAdjaceny,(one way adjacency)
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Sample SQA Report
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Share Traffic
S l KPI S di Fi t L
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Sample KPI Surrounding Fist Layer
OnAir
OnAir
HOSR GDGMEGAMENDNGMD1
Why ??
SDSR GDGMEGAMENDNGMD1
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Sample KPI Surrounding Fist LayerTCHDROP GDGMEGAMNGMD1
OnAir
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ANALYSIS & RECOMEDATION For SDSR MEGAMENDUNGMG1
OnAir
Why ??
SDSR GDGMEGAMENDNGMD1
Analysis :
Based on TQMALL SDSR of siteMEGAMENDUNGMG1 decrease
Caused ABIS CAll high (20-21May). But from 22 May untilnow the performance SDSR ofsite MEGAMENDUNGMG1 isgood.
Recommendation: after 21 MayThe performance SDSR is goodso we dont need give to
recommendation.
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THANK YOU