3G OVERSHOOTING CELL_IKOYI_DRIVE_REPORT_PRE_POST_20022015.ppt
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Transcript of 3G OVERSHOOTING CELL_IKOYI_DRIVE_REPORT_PRE_POST_20022015.ppt
IKOYI_DRIVE DOWNTILT_3G PRE AND POST REPORT_20022015
© 2008 Mobile Telephone Networks. All rights reserved.
IKOYI_DRIVE DOWNTILT_3G report was done on 20TH FEBUARY, 2015
Data was collected using TEMs investigation 9.1 with MS1 on 3G(Idle mode), MS2 on 3G(Dedicated mode) and MS3 on Data.
In this report, GSM RAN performance are described according to different RF measurements, MS Rx-Level / UE RSCP, MS Rx-Quality / UE Ec/No, HSDPA Throughput, RAN KPI’s like CDR (Dropped Calls) and Blocked Calls.
Introduction
© 2008 Mobile Telephone Networks. All rights reserved.
3G SITE DISTRIBUTION AND ROUTE PRE AND POST
© 2008 Mobile Telephone Networks. All rights reserved.
3G REPORT
© 2008 Mobile Telephone Networks. All rights reserved.
EVENT STATISTICS
3G DOWN-TILT PRE
MTN 3G CALL STATISTICS DATA
Call Initiation 27
Call Attempt 27
Call Attempt Retry 0
Call Setup 26
Call Established 26
Call End 24
Blocked Call 1
Dropped Call 2
RRC Connection 31
RRC Connection Reject 2
RRC Connection Abnormal Release 1
Radio Link Addition 300
Radio Link Addition Failure 0
Radio Link Removal 180
Radio Link Removal Failure 0
Radio Link Replacement 88
Radio Link Replacement Failure 0
CSSR 96.27%
DCR 7.69%
% Retainability Rate 92.31%
% SHO 0%
% RRC Connection Established 93.94%
3G DOWN-TILT POST
MTN 3G CALL STATISTICS DATA
Call Initiation 28
Call Attempt 28
Call Attempt Retry 4
Call Setup 28
Call Established 28
Call End 26
Blocked Call 0
Dropped Call 2
RRC Connection 41
RRC Connection Reject 2
RRC Connection Abnormal Release 0
Radio Link Addition 375
Radio Link Addition Failure 0
Radio Link Removal 200
Radio Link Removal Failure 0
Radio Link Replacement 94
Radio Link Replacement Failure 0
CSSR 100%
DCR 0%
% Retainability Rate 100%
% SHO 0%
% RRC Connection Established 95.35%
© 2008 Mobile Telephone Networks. All rights reserved.
3G RSCP RF PERFORMANCE PLOT PRE AND POST
PRE POST
© 2008 Mobile Telephone Networks. All rights reserved.
3G EcNo RF PERFORMANCE PLOT PRE AND POST
PRE POST
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COVERAGE DRIVE PRE AND POST:RF PERFORMANCE PSC PLOT
PRE POST
© 2008 Mobile Telephone Networks. All rights reserved.
HSDPA THROUGHPUT :RF PERFORMANCE PLOT PRE AND POST
PRE POST
© 2008 Mobile Telephone Networks. All rights reserved.
EVENT: Dropped call
Observation: Dropped call/quality on LG4836V due to SHO failure, and suspected feeder swap .Recommendation/Action taken: Rigger should audit site ULG4836 to confirm feeder swap, and correct.
© 2008 Mobile Telephone Networks. All rights reserved.
EVENT: Suspected swap snap shot on ULG4836
© 2008 Mobile Telephone Networks. All rights reserved.
EVENT: Dropped call
Observation: Dropped call from 11GB due to poor EcNo .Recommendation/Action taken: Improve on Quality around event area.
© 2008 Mobile Telephone Networks. All rights reserved.
3G OBSERVATION AND RECOMMENDATION
OBSERVATION:
MTN 3G downlink General coverage and quality drive was improved during post drive test.
Generally, Site U0011, U0756, and U0180 were not overshooting during time of D.T .
HSDPA throughput was improved during post drive, from the plot
Suspected swap was observed on ULG4836U.
RECOMMENDATION:
Rigger to carry out audit on ULG4836U for suspected swap correction.