2G, 3G, 4G Course
This course provides comprehensive end-to-end mastery of 2G, 3G, and 4G networks. Explore GSM, UMTS, LTE architectures, signalling flows, mobility management, QoS, VoLTE, security, and multi-RAT interworking. Develop skills to design, optimise, troubleshoot, and modernise telecom networks effectively using real-world traces and 3GPP specs.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain a practical understanding of 2G, 3G, and 4G mobile networks from end to end. Master identifiers, radio principles, GSM, UMTS, LTE architectures, signalling, QoS, mobility, security, multi-RAT interworking, troubleshooting with traces, key 3GPP standards, and modernisation strategies for confident network design and optimisation.
Elevify advantages
Develop skills
- Master 2G/3G/4G call flows by tracing voice, SMS, and data end-to-end.
- Analyse GSM, UMTS, and LTE core networks, mapping elements, roles, and interfaces.
- Decode signalling traces quickly, including NAS, S1AP, GTP, MAP, and ISUP.
- Plan multi-RAT modernisation, refarming spectrum, sizing capacity, and ensuring QoS.
- Troubleshoot KPIs rapidly, resolving drops, access issues, and throughput problems.
Suggested summary
Before starting, you can change the chapters and 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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