Focused on optimizing and maintaining the performance of 2G, 3G, and 4G networks to ensure high-quality service for users. Responsibilities included network evaluation, troubleshooting, and performance improvement through rigorous testing and analysis.Key Responsibilities & Achievements:Drive Testing & Network Optimization:Conducted comprehensive drive tests using TEMS Investigation, evaluating key factors such as data download/upload speeds, inter-RAT (IRAT) transitions, inter-frequency handovers, and managing multiple concurrent calls.Performed drive tests across main roads, clusters, and indoor environments, gathering critical data to enhance network performance.Site Verification & Standards Compliance:Led site verification tests to ensure compliance with industry standards, improving network reliability and service quality.Performance Analysis & Reporting:Analyzed network metrics such as Rx Level (Rx_lev), Rx Quality (Rx_Qual), Signal Quality Index (SQI), CPICH RSCP, and CPICH EcNo for 2G/3G networks, and RSRP and RSRQ for LTE networks.Identified areas for network performance improvement, particularly along major roadways, and generated detailed reports using Discovery and MapInfo.Issue Detection & Troubleshooting:Detected and reported network issues like bad coverage, cross sector/cross feeder issues, low RSRP/RSRQ, low throughput, and dropped calls.Resolved customer complaints by performing sanity drive tests, verifying coverage, and troubleshooting CDMA and LTE devices across 2G, 3G, and 4G technologies.Voice & Data Quality Testing:Performed MOS (POLQA) tests for voice quality and downlink/uplink tests to assess data performance.Tools & Technologies:Proficient in TEMS Investigation and TEMS Pocket for conducting and analyzing field tests.