An Approach for Network Outage Detection from Drive-Testing Databases

Table 2

Reference simulation confusion matrices.

Real class	8 features (only RSRP and RSRQ)			10 features (with CQI and PHR)
	Per.	HO	RLF	Per.	HO	RLF
Periodical (148723)	96.4%	2.9%	0.7%	96.6%	2.9%	0.5%
Handover (698)	11.9%	82.1%	6.0%	11.8%	83.0%	5.2%
Radio link failure (138)	0.0%	0.0%	100%	0.0%	0.0%	100%