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7/30/2019 Coverage Quality Statistics Summary_Osogbo_03012013
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DriveTest RxLev>=-95 dBm
Osogbo 99.24
Call Statistical Data MTN
Total Access Attemts - Call Attempt 98
Total Access Counts - Call Established 93
Total Dropped Calls 8
Blocked Calls 5
Total Good Calls (Successful Calls) 88
Total Handover Attempts 196
Total Handover Success 183
Total Handover Failures 13
Total Location Area Update Requests 14
Total Location Area Update Failures 0
Total Location Area Update Success 14% Established Calls 94.90%
% Blocked Calls 5.10%
% Dropped Calls 8.16%
% Good Calls 89.80%
% Handover Failures 6.63%
% Handover Success 93.37%
% Location Update Failure 0.00%
% Location Update Success 100.00%
% Probability Density Functon (PDF)
Ranges/ dbm MTN
[Min, -110) 0.35
[-110, -95) 0.4
[-95, -85) 4.37
[-85, -81) 6.1
[-81, -70) 34.94
[-70, 0) 53.83
% Coverage Reliability MTN
% RxSignal Level > (-95dbm) 99.24
Downlink Rx Quality Level_Sub Performance Indicator
% Probability Density Functon (PDF)
Ranges MTN
[0, 1) 44.66
[1, 2) 10.54
Signal Level
Downlink RxSignal Level Performance Indicator
GSM Voice Coverage Reliability
Signal Quality
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[2, 3) 10.35
[3, 4) 11.16
[4, 5) 8.59
[5, 6) 6.35
[6, 7) 4.91
[7, Max] 3.44
RxQual > 5 14.7
Downlink Rx Quality Level Performance Indicator MTN
% RxQual_Sub < 5 85.3
KPI RAW MTN
Accessibility 94.90
Retainability 91.84
Voice Quality (RxQual < 5) 85.30
Handover Success 93.37
Coverage Reliabilty (RxLev > -90dBm) 99.24
KPI Score MTN
Accessibility 8.72
Retainability 7.96
Voice Quality (RxQual < 5) 6.33
Handover Success 8.34
Coverage Reliabilty (RxLev > -95dBm) 9.81
Total Score 8.20
Network Quality Score 2.84
% SQI 82.02
GSM System Quality Index
Overall Received Signal Quality Value : RxQual < 5
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RxQual =14 HO success Rate Drop Calls Call Setup Fail HO Failures
85.3 82.02 93.37% 8 5 13
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CELL ID BSC SITE NAME ISSUE Diagnosis
3658DB IBHBSC1 T3658_CACOshogbo Blocked Call RR failed
3629DA IBHBSC1 T3629_JohnHoltOshogbo Blocked Call Interference
3029DB IBHBSC1 T3029_WoleOlaCompoud Blocked Call RR failed
3631DC IBHBSC1 T3631_PowerlineOshogbo Blocked Call Interference
3671C IBHBSC1 T3671_SalakoStreetOshogbo Blocked Call Poor Coverage
3630DA IBHBSC1 T3630_IreAkariEstateOshogbo Dropped Call Interference
3629C IBHBSC1 T3629_JohnHoltOshogbo Dropped Call Interference
3658C IBHBSC1 T3658_CACOshogbo Dropped Call Handover problem
3631C IBHBSC1 T3631_PowerlineOshogbo Dropped Call Excessive Power Down Command
3074B IBHBSC1 T3074_AgunbelewoEstate Dropped Call Unknown
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Cause
The RR procedure has not established the radio connection. A Channel request has been sent, but there has been
no response from the network. Cell seriously congesting.
Cell overshooting.
The RR procedure has not established the radio connection. A Channel request has been sent, but there has been
no response from the network.
Interference with strong signal - possible radio planning issues on cell 36317 (with BCCH 664 and BSIC 47)
No strong cells in area - signal strength should be greater than -95 dBm but signal prior to call setup failure was -
101 dBm
675-60 ~ 79-40
Overshooting cell
suspected swap on T3658
An excessive power down request was performed on the handset - check the power hysteresis settings in the BSS
configuration.
Unknown
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RECOMMENDATION status
Old cab needs modernization. In-view
Antenna Optimization required In-view
Additional SD dimensioned Done
Fine-tune frequency WIP
Antenna Optimization required In-view
Fine-tune frequency WIP
Antenna Optimization required In-view
Do site audit and correct swap (if any) In-view
Investigate further
Investigate further
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COVERAGE Level
Date of measurement :
Logfile name :
Date of Report
PDF CDFRange PDF % CDF % Coverage Level %
[Min, -110) 0.35 0.04
[-110, -95) 0.4 0.67
[-95, -85) 4.37 10.79 Good Outdoor 4.37
[-85, -81) 6.1 27.41 Good InCar 6.1
[-81, -70) 34.94 67.99
[-70, 0) 53.83 100
[0, Max] 0 100
Good Indoor
Fringe Outdoor 0.75
88.77
80100120
405060
RxLevSub
Series1Series2
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0204060
0102030
[Min, -110) [-110, -95) [-95, -85) [-85, -81) [-81, -70) [-70, 0) [0, Max]
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Fringe
Outdoor
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Fringe Outdoor Good O
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Good Outdoor Good InCar
Good Indoor
Coverage
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utdoor Good InCar Good Indoor
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STATISTICS QUALITY
Date of measurement :
Logfile name :
Date of Report
PDF CDFRange PDF % CDF % Quality % Quality
[Min, 0) 0 0 Very Good
[0, 1) 44.66 54.56 Good
[1, 2) 10.54 68.9 Poor
[2, 3) 10.35 78.69
[3, 4) 11.16 86.85
[4, 5) 8.59 93.23
[5, 6) 6.35 97.2
[6, 7) 4.91 99.16
[7, Max] 3.44 100
Very Good
Good
Poor
65.55
19.75
14.7
020406080100120
0
10
20
30
40
50
[Min, 0) [0, 1) [1, 2) [2, 3) [3, 4) [4, 5) [5, 6) [6, 7) [7, Max]
RxQual Sub
PDF CDF
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%
65.55
19.75
14.7
Very Good
Good
Poor
Quality %
Very Good
Good
Poor
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