2 Description of ‘VoLTE Report’ Template > 2.13 ‘LTE Statistics’ Worksheet

2.13 ‘LTE Statistics’ Worksheet
2.13.1 EPS Bearer Statistics
Statistics on EPS bearer events tabulated as follows:
Event
Counts
Activate Dedicated EPS Bearer Context Request
57
Deactivate EPS Bearer Context Request
49
Bearer Resource Allocation Reject
0
EPS Bearer Drop
1
Same events visualized in pie chart as percentages of the total.
Map plot of EPS Bearer Drop events.
Statistics on guaranteed bit rates tabulated as follows:
 
Max
Min
# of Unique Values
Guaranteed Bit Rate (GBR) Downlink
40
40
1
Guaranteed Bit Rate (GBR) Uplink
40
40
1
2.13.2 RRC Connection Statistics – Setup
For the KPI definition, see section 2.5.6.
Success and failure statistics tabulated as follows:
Event
Counts
RRC Connection Setup Success
70
RRC Connection Setup Failure
19
RRC Connection Setup Success Rate (%)
78.7%
Success and failure percentages also visualized in pie chart.
Setup time statistics tabulated as follows:
 
Mean
Max
Min
Std Dev
RRC Connection Setup Time (ms)
38.49
77
7
13.52
Same data displayed in bar chart binned according to this legend:
 
% of Total
Range
Value
< 50
82.9
50 to 100
17.1
100 to 150
0.0
150 to 200
0.0
200 to 250
0.0
250 to 300
0.0
> 300
0.0
Pie chart detailing setup failure causes as percentages of the total.
2.13.3 RRC Connection Statistics – Completion
Statistics tabulated as follows:
Event
Counts
RRC Connection Release (Normal)
61
RRC Connection Drop
5
RRC Connection Completion Success Rate (%)
92.4%
 
 
RRC Connection Re-established (successful)
1
Release (success) and drop (failure) ratios also displayed in pie chart.
Drop causes displayed in pie chart as percentages of the total.
2.13.4 Handover Interruption Time
Handover interruption time – control plane: For the KPI definition, see section 2.5.6.
Statistics tabulated as follows:
 
Mean
Max
Min
Std Dev
Handover Interruption Time - Control Plane (ms)
8.21
75
0
10.49
Same data also displayed in bar chart binned according to this legend:
 
% of Total
Range
Value
0,10
72.7
10,15
13.0
15,20
5.2
20,25
3.9
>25
5.2
Handover interruption time – user plane: For the KPI definition, see section 2.5.6.
Statistics tabulated as follows:
 
Mean
Max
Min
Std Dev
Handover Interruption Time - User Plane (ms)
308.77
6171.4
54
893.02
Same data also displayed in bar chart binned according to this legend:
 
% of Total
Range
Value
< 50
0.0
50, 75
2.2
75, 100
2.2
100, 150
55.6
> 150
40.0