roblem description:4G low speed, coverage 2 bars
Analysis: Complaint location is in the border area between two cells L21-SKE0080-B and L21-SKE0080-C (1km far from site), and L21-SKE0080-C is highly utilized DL_PRB usage 90% PDCCH usage 73%.
Short-term solution: not proposed due to highly utilized cell
Long-term solution: Co-located L21 is planned on SKE0092 (far 100m) and SKE0093 (far 600m) will help share capacity and provide coverage, tentative 2016q4