2G, 3G, 4G Course
This course provides comprehensive end-to-end mastery of 2G, 3G, and 4G networks, including GSM, UMTS, LTE architecture, signaling flows, mobility management, QoS, VoLTE, security, and multi-RAT interworking. Learners will gain skills to design, optimize, troubleshoot, and modernize real telecom networks effectively using practical traces and 3GPP specifications.

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, covering identifiers, radio principles, GSM, UMTS, LTE architectures, signaling, QoS, mobility, security, multi-RAT interworking, troubleshooting with traces, key 3GPP standards, and modernization strategies for confident network design and optimization.
Elevify advantages
Develop skills
- Master 2G/3G/4G call flows by tracing voice, SMS, and data end-to-end.
- Analyze GSM, UMTS, and LTE core networks, mapping elements, roles, and connections.
- Decode signaling traces quickly, including NAS, S1AP, GTP, MAP, and ISUP.
- Plan multi-RAT modernization, refarming spectrum, sizing capacity, and ensuring QoS.
- Troubleshoot KPIs rapidly, resolving 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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