Kasem Refis

Led drive test campaigns for Huawei ATM projects, specializing in advanced 4G and 5G network performance validation and optimization.

• Led comprehensive drive test activities for Huawei ATM projects, ensuring robust performance of 2G, 3G, and 4G networks across various clusters.
• Developed and executed advanced test scripts for 4G sites, including FDD 2T2R, 4T4R, and TDD MM bi-beam configurations, to validate network functionality and optimize performance.
• Pioneered 5G Marktest and speed tests, contributing to the early adoption and performance evaluation of next-generation mobile technologies.
• Confirmed azimuth and CGPS accuracy, ensuring precise network planning and optimization for enhanced coverage and service delivery.

Executed drive tests and network performance analysis for Huawei projects, focusing on 2G, 3G, and 4G networks to support ARPCE testing.

• Conducted comprehensive drive tests for Huawei ATM projects, focusing on 2G, 3G, and 4G networks to assess performance and identify areas for optimization.
• Performed ARPCE (Algerian Regulatory Authority for Post and Telecommunications) tests, ensuring network compliance with regulatory standards and reporting results to engineering teams.
• Analyzed 3G parameters including SC RSCP Ec/No BLER to diagnose and resolve network quality issues, contributing to improved call quality and data speeds.

Led comprehensive drive testing and network optimization initiatives across Huawei, NSN, and Ericsson projects, ensuring high-quality mobile network services.

• Conducted extensive drive tests for Huawei ATM, NSN (Ooredoo), and Ericsson (Mobilis) projects, covering 2G, 3G, and 4G technologies to ensure network stability and performance.
• Identified and resolved critical network issues, including overshooting, dropped calls, and low throughput, through detailed log analysis, improving network reliability.
• Performed dynamic CS (Circuit Switched) and PS (Packet Switched) tests, including throughput (DL/UL) measurements, to evaluate voice and data service quality.
• Managed complaint and cluster optimization for Ericsson projects, meticulously checking for cross-found issues and weak coverage areas to enhance user experience.
• Collaborated with ARPCE engineering to conduct network tests and provide detailed results, contributing to regulatory compliance and network improvement strategies.

Managed drive test operations and network optimization for ZTE and Huawei projects, ensuring optimal performance of 2G, 3G, and 4G networks.

• Conducted SSV (Single Site Verification) drive tests for 2G and 3G networks, including pre/post-swap cluster analysis, to validate network performance and identify issues.
• Performed RF antenna cross-solve activities, troubleshooting and resolving complex antenna issues to enhance signal quality and coverage.
• Executed OTA (Over-the-Air) and ATM (Automatic Teller Machine) drive tests for ZTE and Huawei projects, covering 2G, 3G, and 4G technologies to assess network health and user experience.