pl05 pre 2g-3g report.pptx
TRANSCRIPT
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2G & 3G Pre – Polygon 05 Report
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INTRODUCTION
• Pre CS Drive test of PL05 has started on 5 Aug and finished on 17 August
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2G Long Call Quality
PRE POST
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2G Long Call Coverage
PRE POST
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3G Long Call Quality
PRE POST
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3G Long Call Coverage
PRE POST
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GSM ANALAYSIS
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2G Call Statistics
2G Long call G900 Long Call G1800 Long Call
2G Call Statistics PRE POST PRE POST PRE POST
MO Call Attempts 105 193 176
MO Call Setup Failure 3 29 13
MO Call Dropped 22 134 92
MO Call Drop Rate (%) 21.56% 81.71% 56.44%
Call Setup Success Rate (%) 97.14% 84.97% 92.61%
Handover Success rate(%) 97.05% 97.53% 99.29%
Note: Less call attempt in 2G Long Call UE because of there was few drop call as compare with G900 & G1800 Locked UE’s
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2G Long Call Rx Qual Sub
PRE POST
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2G Long Call Rx Qual Sub Histogram
PRE POST
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2G Long Call Rx Level Sub
PRE POST
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2G Long Call Rx Level Sub Histogram
PRE POST
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2G Long Call Rx Qual Sub Vs Drops
PRE POSTDrop Due to UE/NormalHO, Rx Qual related DropPoor CoverageInterference
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2G Long Call Rx Qual Sub Vs Drops
Reason: Drop Due to poor coverage area Reason: Drop call Due to Co-BCCH CELL between the site 4600 2nd sec , BCCH 979 & SITE ID 4279 2nd sector BCCH 979
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2G Long Call Rx Qual Sub Vs Drops
Reason : Poor coverage area Result call drop Reason : CO –BCCH Interference , Analysis : site 4868 1st sector BCCH 975 & SITE ID 8382 1ST
Sector having same BCCH 975 ,Result call Drop
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2G Long Call Rx Qual Sub Vs Drops
Reason : Call Drop Due to Missing neighbor Analysis : Call Drop because UE Latched with the overshooting cell
34192 of the site 4192 , cause missing neighbor result call drop
Reason : CO –BCCH Interference , Analysis : site 4407 3rd sector overshooting BCCH 983 & SITE ID
4200 1ST Sector having same BCCH 983 ,Result call Drop,
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2G Long Call Rx Qual Sub Vs Drops
Reason : Call Drop Due to interference /No Dominancy Analysis : due to adjacent interference between the site 4259 sector 2nd & site
id 4349 sector 1st BCCH ( 977 & 978 )and Due to poor quality Result call Drop
Reason : Overshooting /CO –BCCH Interference , Analysis : site 4169 2nd sector overshooting BCCH 984 & SITE
ID 4183 2nd Sector having same BCCH 984 ,Result call Drop,
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2G Lock G900 Long Call Rx Qual Sub Vs Drops
PRE POSTDrop Due to UE/NormalHO, Rx Qual related DropPoor CoverageInterference
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2G Lock G900 Long Call –Drops Analysis-Handover & Rx Quality Drop
Reason: Poor coverage area & Co-BCCH Reason: Drop due to Co-BCCH interference between the overshooting cell 44119 of the site 4119 to 54065 of the site 4065
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2G Lock G900 Long Call –Drops Analysis- Interferences Cause Drop
Reason : Adjacent bcch
Reason: Drop Due to interference because CI 44201 BCCH 980 & site id 8399 3rd sector Having same BCCH 980, Suspected sector swap on the site 4210
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2G Lock G900 Long Call –Drops Analysis- Interferences Cause Drop
Reason: Call Drop due to Handover issue , Need to check handover Parameter between the cell 64167 to 44167 of the site 4167
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2G Lock G900 Long Call –Drops Analysis- Interferences Cause Drop
Reason : UE normal Call drop Reason: UE normal call Drop RF conditions are good
Reason : Call Drop due to Handover issue between the cell 54162 site 4162 & cell id 64230 of the site 4230 .
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2G Lock G900 Long Call –Drops Analysis- Interferences Cause Drop
Reason: Drop Due to handover issue , Need to check Handover Parameters between the cell 64118 to 64310
Reason: Drop Due to handover issue , Need to check Handover Parameters between the cell 54162 & 44310
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2G Lock G900 Long Call –Drops Analysis- Interferences Cause Drop
Reason: Drop Due to Interference Analysis : Site id 4310 1st sector BCCH 986 & Site id 4118 1st sector having
same BCCH 986 .
Reason : UE normal call Drop
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2G Lock G900 Long Call –Drops Analysis- Interferences Cause Drop
Reason : UE normal call Drop Reason : Call drop because UE Get hanged
Reason : UE normal call Drop
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2G Lock G900 Long Call –Drops Analysis- Interferences Cause Drop
Reason : Call Drop Due interference because overshooting from the cell 44153 and creating CO-BCCH With the 1st sector of the site 4132
Reason : Call Drop Due to overshooting from the cell 45367 of the site 5367 , Result call drop
Reason : poor coverage area , Analysis : Call drop Because of poor cell at the
call drop point
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2G Lock G1800 Long Call Rx Qual Sub Vs Drops
PRE POSTDrop Due to UE/NormalHO, Rx Qual related DropPoor CoverageInterference
C
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Area-C 2G Lock G1800 Long Call –Drop Call Analysis
Reason: UE Normal Call Drop
Reason: Call Drop due to Overshooting/ Missing neighbor Analysis: Call drop due to missing neighbor Because UE latched with overshooting cell ID 34066 of the site 4066
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Area-C 2G Lock G1800 Long Call –Drop Call Analysis
Reason: Call Drop due to Missing neighbor Analysis: Call Drop due to missing neighbor between the cell 34055 of 4055 to 14116 of the site 4116
Reason: Call Drop due to Overshooting/ Missing neighbor Analysis: UE latched with overshooting cell Id 24317 of the site 4317 result call drop
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Area-C 2G Lock G1800 Long Call –Drop Call Analysis
Reason: Call Drop due to OvershootingAnalysis: UE latched with overshooting cell Id 24115 of the site 4115 result call drop
Reason: Call Drop due Poor coverage Analysis: Call Drop Due to Poor coverage area at the call drop point
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Area-C 2G Lock G1800 Long Call –Drop Call Analysis
Reason: Call Drop due to Overshooting / Missing NeighborAnalysis: UE latched with overshooting cell Id 24039 of the site 44039 caused of Missing Neighbor Result call drop
Reason: Call Drop due Poor coverage Analysis: Call Drop Due to Poor coverage area at the call drop point
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Area-C 2G Lock G1800 Long Call –Drop Call Analysis
Reason: UE Normal Call DropReason: UE Normal Call Drop
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2G G900 Long Call Rx Level Sub Coverage
PRE POST
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2G G900 Long Call Rx Level Sub Histogram
PRE POST
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PRE G900 Drive Notes:
2G Lock G900 Long Call CI
• CI 44150 not served during drive because no more road found drive time in particular sector
• Orientation issue suspect in all sector of 4118 site.
• Site 4313 sector 1st not served due to missing road by DT
• Suspected diversity swap on the site 8398 and Need to verify Latitude & Longitude
• Cell id 64165 of the site 4165 not served due to road missing by DT
• Cell id 44129 serving 1.2Km far from the site , need to check ME/EL Tilt
• Suspects Diversity swap between sector 2 & 3 of 4049-G900
Site id 4313 sector 1st not served
Site id 4009 all sector suspected
azimuth issue
Site id 4118 all sector suspected
azimuth issue Site id 4150 1st sector not served due to no road for
drive
Site id 8398 Suspected diversity
swap Need to check lat & log
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2G Lock G900 Long Call-Swap Sector/Down site
Cell id 44425 & 64425 of the site 4425 serving 1.2Km far from the site , need to check ME/EL Tilt & service effecting alarm
Site Id 4149 All Sector suspected azimuth issue Site Id 8422 ,2nd sector Suspected azimuth issue
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2G Lock G900 Long Call-Swap Sector/Down site
Site id 4196 Suspected azimuth issue in all the sector
CI 44078 Not served but its showing on the neighbor list , Need to check the service effecting alarm at the time of drive test
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2G Lock G900 Long Call-Swap Sector/Down site
Site id 4520 , 2nd sector not serving , Need to check Alarm at the time of drive
Site 4100 sector 3rd not served need to check service effecting alarm at the time of drive test
Site id 4108 , sector 1st not served because route not covered by DT
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2G Lock G900 Long Call-Swap Sector/Down site
Site id 4089 ,3rd sector not covered by DT Cell id 18389 of the site 8389 , not
serving ,because of no drive done in particular sector but its showing in the neighbor list
Site id 4515 ,1st sector serving far from the site need to check Tilt or Service effecting alram
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2G G1800 Long Call CI
PRE
• CI 14177 & CI 24177 handover issue need to check handover parameter
• CI 32000 of the site 2000 3rd sector is suspected azimuth issue
• Cell Id 14313 of the site 4313 ,not serving because no route is covered by DT
• Site ID 4028 ,Suspected Diversity swap between 1st & 2nd sector
• Site Id 4150 ,2nd sector not served due to no road available for drive test
• site id 8398 Suspected diversity swap Need to check the cable
• Site Id 4273 sector 2nd is not serving near to the site need to check ME / EL Tilt
G1800 Drive Notes:
Site id 2000 3rd sector azimuth issue
Site id 4273 , 2nd sector not served need to check tilt
Site id 8398 suspected
diversity swap
Site id 4028 Suspected
Diversity swap between 1st &
2nd sec
Site 4150 no route
available in 2nd sector
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2G 1800 Long Call-Swap Sector/Down site/Azimuth Issue
CI 14177 & CI 24177 handover issue need to check handover parameter
Cell Id 14313 of the site 4313 ,not serving because no route is covered by DT
CI 32000 of the site 2000 3rd sector is suspected azimuth issue
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2G 1800 Long Call-Swap Sector/Down site/Azimuth Issue
Site Id 4118 ,sector 1st not served on the plot because of handover issue but its showing with good coverage in the neighbor list Need to check handover parameters
Site ID 4028 ,Suspected Diversity swap between 1st & 2nd sector
site id 4165 ,Cell id 34165 3rd sector not served on the route but its serving in the neighbor list , Need to cover the missing route in front of 3rd sector
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2G 1800 Long Call-Swap Sector/Down site/Azimuth Issue
Site Id 4273 sector 2nd is not serving near to the site need to check ME / EL Tilt
Site Id 4150 ,2nd sector not served due to no road available for drive test
site id 8398 Suspected diversity swap Need to check the cable of sector and cable of Tx & Rx as well
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2G G1800 Long Call Rx Level Sub Coverage
PRE POST
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2G Lock G1800 Long Call Rx Level Sub Histogram
PRE POST
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UMTS ANALAYSIS
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3G Call Statistics
3G Long call U900 Long Call U2100 Long Call
3G Call Statistics PRE POST PRE POST PRE POST
MO Call Attempts 126 116 144
MO Call Setup Failure 11 21 11
MO Call Dropped 44 50 63
MO Call Drop Rate (%) 38.26% 52.63% 47.36%
Call Setup Success Rate (%) 91.26% 81.89% 92.36%
Handover Success rate(%) 100% 100% 100%
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3G Long Call RSCP
PRE POST
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3G Long Call RSCP Histogram
PRE POST
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3G Long Call Ec/No Vs Call Drop
PRE POSTDrop calls due to Quality /missing nbrDrop calls due to poor Converge
Drop calls due to Pilot pollution(Quality)
Normal Drop
A
C
D
E
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3G Long Call Ec/No Histogram
PRE POST
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Area B-3G Long Call-Drop Call Analysis(Missing Neighbor/Overshooting)
Reason: overshooting / pilot Pollution Analysis : Call drop due to pilot pollition , UE latched with the overshooting cell 40982 of WT0004098A_NGK_Vredelust ,caused poor EC/No Result Call drop
Reason: Call Drop due to Poor Coverage area
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Area E-3G Long Call-Drop Call Analysis
Reason: Pilot pollution / OvershootingAnalysis : Call Drop Due to UE Latched with Overshooting Cell SC 50 Site WT0004167A_Tygerberg_Hospital Creating Pilot pollution caused poor Ec/No Result call drop
Reason: Call Drop Due to Poor Ec/No because of poor coverage area
Reason: Pilot Pollution Analysis: so many dominant cell ,creating pilot pollution caused poor Ec/No Result Call drop
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Area C-3G Long Call-Drop Call Analysis
Reason: Pilot pollutionAnalysis : pilot pollution due to poor Ec/No caused drop call
Reason: Pilot pollutionAnalysis : pilot pollution due to poor Ec/No caused drop call
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3G Lock U900 Long Call Ec/No Vs Call Drop
PRE POSTDrop calls due to Quality /missing nbrDrop calls due to poor Converge
Drop calls due to Pilot pollution(Quality)
Normal Drop
A
C
B
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Area B-3G U900 Lock Long Call-Drop Call Analysis
Reason: Pilot Pollution/DominanceAnalysis: To many server & overshooting cell cause poor Ec/No Result drop call
Reason: Pilot Pollution/Dominance Analysis: To many server & overshooting cell cause poor Ec/No Result drop call
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Area B-3G U900 Lock Long Call-Drop Call Analysis
Reason: Dominance/Missing Neighbor relationAnalysis: missing nbr cell WT0004116A_Cravenby_High_school sector 3rd cause poor Ec/No Result drop call
Reason: Dominance/Missing Neighbor relationAnalysis: missing nbr cell WT0004038A_Matroosfontein_sports cause poor Ec/No Result drop call
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Area B-3G U900 Lock Long Call-Drop Call Analysis
Reason: Pilot Pollution Analysis: To many server & overshooting cell cause poor Ec/No Result drop call
Reason: Pilot Pollution Analysis: To many server & overshooting cell cause poor Ec/No Result drop call
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Area C-3G U900 Lock Long Call-Drop Call Analysis
Reason: : Overshooting/Missing Neighbor relationAnalysis: Overshooting/detected cell WT0004414A_Avendale_Cricket_Club Sector 3rd sc 272,caused poor Ec/No Result drop call
Reason: UE Normal Call Drop
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3G Lock U900 Long Call-SC
PRE
U900 Drive Notes:
• Site id 4177 Suspected diversity swap between 1st & 3rd sector
• Site id 8398 shifted , Latitude & Longitude Need to be verify
• Site id 4150 ,2nd sector no road for drive test
• Site id 4035 Suspected diversity swap between 1st & 2nd sector
Site id 4035 Suspected diversity swap between
1st & 2nd sector
Site id 4150 all no road for drive
Site id 8398 shifted need to be verify
Site id 4177 suspected diversity swap between 1st &
3rd sector
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3G Lock U900 Long Call-Swap Sector/Down Site/Azimuth issues
Site 4273 shifted ,Need to be verify Site id 4177 Suspected diversity swap between 1st & 3rd sector
Site id 8398 shifted ,Need to be verify
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3G Lock U900 Long Call-Swap Sector/Down Site/Azimuth issues
Site id 4150 ,2nd sector no road for drive test Site id 4035 Suspected diversity swap between 1st & 2nd sector
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3G Lock U900 Long Call RSCP
PRE POST
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3G Lock U2100 Long Call Ec/No Vs Call Drop
PRE POSTDrop calls due to missing nbr
Drop calls due to poor Converge
Drop calls due to Pilot pollution(Quality)UE normal call drop
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3G Lock U2100 Long Call Drop call Analysis
Reason : Pilot Pollution Analysis: Call Drop Due to poor Ec/No because of pilot pollution
Reason : Pilot pollution / poor coverageAnalysis: There was no dominate server with strong coverage caused pilot pollution poor Ec/No Result call drop
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3G Lock U2100 Long Call Drop call Analysis
Reason : Poor coverage area Result call drop Reason: : Pilot Pollution / poor coverage areaAnalysis: due to pilot pollution caused Poor Ec/No Result call Drop
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3G Lock U2100 Long Call Drop call Analysis
Reason :Missing Neighbor relationAnalysis: detected cell WT0004129AW2 & WT0004350AW3 caused poor Ec/No Result drop call
Reason :Pilot Pollution / poor coverage areaAnalysis: due to pilot pollution caused Poor Ec/No Result call Drop
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3G Lock U2100 Long Call Drop call Analysis
Reason :Missing Neighbor relationAnalysis: Missing Neighbor between WT0004313AW2 to WT0004167AW1 caused poor Ec/No Result drop call
Reason : UE Normal call drop Reason : Pilot Pollution Analysis: Poor coverage area & due to pilot pollution caused Poor Ec/No Result call drop
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3G Lock U2100 Long Call Drop call Analysis
Reason :OvershootingAnalysis: UE Latch with overshooting cell WT0004161AW3 caused poor Ec/No Result drop call
Reason :Overshooting/ Pilot pollution Analysis: Pilot pollution because UE Latch with overshooting cell WT0004310AW1 caused poor Ec/No Result drop call
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3G Lock U2100 Long Call -SC
PRE
U2100 Drive Notes:
• Site id 4177 Suspected diversity swap between 1st & 3rd sector
• Suspected sector swap between 2nd & 3rd sector of the site 4528
• Site id 8398 shifted need to check the Latitude & Longitude
• Site id 4150 2nd sector not Served because There no Road for drive in particular sector
• Site id 4028 Suspected Diversity swap between 1st & 2nd sector
Site id 4150 all no road for drive
Site id 8398 shifted need to be verify
Site id 4177 suspected diversity swap between 1st &
3rd sector
Site id 4528 sector swap between 2nd
& 3rd sector
Site id 4028 Suspected diversity swap Between 1st &
2nd sector
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3G Lock U2100 Long Call-Swap Sector/Down Site/Azimuth issues Suspected sector swap between 2nd & 3rd
sector of the site 4528 Site id 4177 Suspected diversity swap between
1st & 3rd sector
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3G Lock U2100 Long Call-Swap Sector/Down Site/Azimuth issues
Site id 8398 shifted need to check the Latitude & Longitude
Site id 4150 2nd sector not Served because There no Road for drive in particular sector
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3G Lock U2100 Long Call-Swap Sector/Down Site/Azimuth issues
Site id 4028 Suspected Diversity swap between 1st & 2nd sector
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3G Lock U2100 Long Call RSCP
PRE POST
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