5G Architecture Explained: Option 1–7 | NSA vs SA | Complete 3GPP Guide
Welcome to this deep dive on 5G Network Architecture Options (Option 1 to 7) based on 3GPP Release 15.
5G is not just about speed — the real transformation lies in how networks are designed and deployed. In this video, we simplify all 5G deployment options, including NSA (Non-Standalone) and SA (Standalone) architectures, and explain how operators migrate from 4G to 5G.
🚀 What You Will Learn
Why multiple 5G architecture options exist
Difference between NSA vs SA architecture
Detailed explanation of Option 1 to Option 7
Deep dive into Option 2 (5G SA) and Option 3 (5G NSA)
Understanding Option 3, 3a, 3x variants
Migration strategy: Option 1 → Option 3 → Option 2
Why Options 4, 5, and 7 are rarely used
Real-world operator strategies (Vodafone, AT&T, Jio, Rakuten)
📌 Key Highlights
✔ Option 3 (NSA) = Fast 5G rollout using 4G core
✔ Option 2 (SA) = True 5G with full capabilities
✔ Option 7 = Transition path with 5G Core
✔ Options 4 & 5 = Rare / niche deployments
🎯 Who Should Watch
✔ Telecom Engineers & Professionals
✔ 5G Learners & Students
✔ Network Architects
✔ Anyone preparing for 5G / Telecom Interviews