Module 5: BLER Analysis — QPSK / 16QAM / 64QAM / 256QAM 
Higher modulation = higher throughput potential, but it also needs better SINR and lower interference.
Understand the complete chain:
SINR → CQI → MCS → Modulation → BLER → HARQ → Throughput
Simple handwritten notes for LTE RF Optimization & KPI troubleshooting.
Save this for revision & interview preparation!
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