PowerPoint Presentation

Presentation Confidential between MTN ad AudienceFIRS (Federal Inland Revenue Service) Zone 5 HQ Abuja July 2013 POST-OPTIMIZATION DRIVE TEST REPORT

MTN GSM NPM PROJECT Presentation Confidential between MTN and AudienceIntroductionThe data collection was conducted on 9th July,2013 for the post-optimization

The test was an optimization check

The drive test covers FIRS (Federal Inland Revenue Service) Zone 5 HQ Abuja

Drive test procedure involves two mobile stations; MS1 initiating short calls and MS2 initiating long calls.

Complaint Area and Test RouteCOMPLAINT: Subscribers complained of poor network service

3Serving Cells of the Complaint Area

Inside FIRS

Around FIRS

Best Server is 5813_7

Best Server is 5813_7

4Call Statistical DataCall Statistical DataMTN_JulyPre-OptimizationPost-OptimizationCall Attempts94Call Setup Success84Blocked Calls00Dropped Calls00Total Good Calls - /Call End84Established Calls84Total Handover Success4734Total Handover Failures10Total Location Update Requests1-Total Location Success1-Total Location Update Failures0-% Call Setup Success88.89%100.00%% Blocked Calls0.00%0.00%% Dropped Calls0.00%0.00%% Established Calls88.89%100.00%% Good Calls100.00%100.00%% Handover Success97.92%100.00%% Handover Failure2.08%0.00%% Location Update Success100.00%-% Location Update Failures0.00%-5Coverage, Quality & InterferenceSignal LevelDownlink RxSignal Level Performance Indicator% Probability Density Functon (PDF)MTN_JulyRanges/ dbm Pre-OptimizationPost-Optimization[120, -102) 0.00%0.00%[-102, -95) 0.00%0.00%[-95, -90) 0.00%0.22%[-90, -85) 1.05%1.93%[-85, -75) 16.18%23.58%[-75,-65) 30.94%46.91%[- 65, 0) 51.83%27.35%GSM Voice Coverage Reliability% Coverage Reliability% RxSignal Level > (-95dbm)100.00%100.00%Signal Quality6Coverage, Quality & InterferenceDownlink Rx Quality Level_Sub Performance Indicator% Probability Density Functon (PDF)MTN_JulyRangesPre-OptimizationPost-Optimization[0, 4) 90.99%91.44%[4, 5) 2.32%3.33%[5, 6) 2.56%2.39%[6, 7) 4.13%2.84%RxQual > 56.69%5.23%Overall Received Signal Quality Value : RxQual < 593.31%94.77%Downlink Rx Quality Level Performance IndicatorKPI Statistics & Network PerformanceKPI RAWMTN_JulyPre-OptimizationPost-OptimizationAccessibility100.00%100.00%Retainability 100.00%100.00%Voice Quality (RxQual < 5)93.31%94.77%Handover Success100.00%100.00%Coverage Reliabilty (RxLev > -95dBm)100.00%100.00%KPI ScoreMTN_JulyMTN_JulyAccessibility10.0010.00Retainability10.0010.00Voice Quality (RxQual < 5)8.338.69Handover Success10.0010.00Coverage Reliabilty (RxLev > -95dBm)10.0010.00Total Score6.396.39Network Quality Score3.253.30% SQI94.21%91.65%RxLevSubPre-OptimizationPost-Optimization

The network coverage is very okay and good inside and around the FIRS

The network coverage is also very okay and good inside and around the FIRS after optimizationRxLevSubPre-OptimizationPost-Optimization

10Rxqual SubPre-OptimizationPost-Optimization

The network quality is better and okay inside and around the FIRS after optimizationRxqual SubPre-OptimizationPost-Optimization

12SQI

Pre-OptimizationPost-Optimization

SQIPre-OptimizationPost-Optimization

SUMMARY HOF

HOF

Pre-OptimizationPost-OptimizationS/NCELLOCCURRENCEREASONCOMMENT1FC0163D1Overlapping coverageDown tilt of this cell is neededNo handover failure after optimizationHandover FailureNetwork Issue: Case 1 (Pre-Optimization)PROBLEM: Handover failure occurred on FC0163DA OBSERVATION: The overlapping by FC0163D caused the handover failures.

RECOMMENDATION: Down tilt the cell FC0163D by two degree

16Handover FailureOBSERVATION: There is no handover failures after optimization and rxlev of the cell 1118C is now better.Network Issue: Case 1 (Post-Optimization)

17

CONCLUSIONThe network coverage of FIRS is good, okay and better inside and around the complaint area. The quality is still averagely okay and better after optimization. THANK YOU