Research Article
An Approach for Network Outage Detection from Drive-Testing Databases
Table 1
Structure of the MDT measurement.
| Feature No. | Feature | Description |
| 1 | Time | Time stamp | 2-3 | Location | Latitude and longitude | 4 | Serving-cell info | CGI | 5 | RSRP | Serving-cell RSRP in dBm | 6 | RSRQ | Serving-cell RSRQ in dB | 7–13 | Three strongest intra-LTE neighbors | CGI and RSRP for each neighbor | 14–20 | Three best quality intra-LTE neighbors | CGI and RSRQ for each neighbor | 21 | Serving-cell wideband CQI | Indicator of wideband signal quality | 22 | Power headroom report | Available uplink transmission power |
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