2G, 3G, 4G Course
Gain mastery over 2G, 3G, and 4G networks comprehensively. Delve into GSM, UMTS, and LTE architectures, signalling protocols, mobility management, QoS mechanisms, VoLTE capabilities, and multi-RAT interworking. Equip yourself to design, optimise, and troubleshoot real-world telecommunications networks effectively and confidently.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course provides a clear, practical overview of modern mobile networks from end to end. You will explore identifiers, radio fundamentals, GSM, UMTS, and LTE architectures, along with signalling flows, QoS, mobility, and security. It also addresses multi-RAT interworking, troubleshooting using real traces, essential 3GPP specifications, and intelligent modernisation strategies to enable confident network design, optimisation, and evolution.
Elevify advantages
Develop skills
- Master 2G, 3G, and 4G call flows by tracing voice, SMS, and data sessions end-to-end.
- Analyse GSM, UMTS, and LTE core networks by mapping elements, roles, and interconnections.
- Decode signalling traces efficiently, including NAS, S1AP, GTP, MAP, and ISUP protocols.
- Plan multi-RAT modernisation strategies, such as spectrum refarming, capacity sizing, and QoS provision.
- Troubleshoot key performance indicators swiftly to resolve drops, access failures, and throughput problems.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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