Research Article
City-Wide NB-IoT Network Monitoring and Diagnosing
Table 2
Top 5 features (ranked in average IG) in RACH delay classification.
| | Feature | ID | Average IG |
| | SINR | 1 | 0.346 | | RSRP | 2 | 0.275 | | MCL | 3 | 0.201 | | NPRACH repetitions | 4 | 0.179 | | NPDCCH repetitions | 5 | 0.165 |
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