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 |