Fig. 3
From: A quadri-dimensional approach for poor performance prioritization in mobile networks using Big Data
Algorithm 1 for KPI level normalization: To normalize all the values of KPIs to be between 0 and 100, Algorithm 1 sets the lower and the upper boundaries of each KPIs depending of the threshold for the best and worst values. This was applied for the throughput downlink (thp_dl) in Kbps, the round-trip time on the downlink (rtt_dl) in milliseconds and the retransmission on the downlink (rtx_dl) in percentage