5G System Architecture: SA/NSA, Call Flow, Dual Connectivity

5G System Architecture: SA/NSA, Call Flow, Dual Connectivity
Published 10/2025
Duration: 4h 6m | .MP4 1920×1080 30 fps(r) | AAC, 44100 Hz, 2ch | 2.29 GB

5G System Architecture: SA/NSA Deployment, Virtualization, Call Flow, Slicing, Dual Connectivity(ENDC & NRDC), PDU & QoS

What you’ll learn
– 5G Foundations & Vision
– 5G Network Architecture
– 5G Core Network & Virtualization
– 5G Deployment Options – SA vs NSA
– 5G Call Flows – Registration, PDU Establishment, QoS flow
– Dual connectivity – EN-DC & NR-DC
– Carrier Aggregation in NSA & SA
– Network Slicing

Requirements
– Basic understanding of telecom network architecture

Description
Module 1: 5G Foundations & Vision

5G Fundamentals- The evolution from 4G LTE to 5G and key differences.

5G Key Service Areas- Enhanced Mobile Broadband (eMBB), Ultra-Reliable Low-Latency Communications (URLLC), and Massive IoT (mMTC).

5G Technical Capabilities- Understanding bandwidth efficiency, latency improvements, and reliability standards.

Module 2: 5G Network Architecture

This module dives into the structural and functional design of 5G networks:

Overview of traditional telecom network layers and their evolution.

Building blocks of 5G architecture- including RAN, transport, and core networks.
Comparison betweenlegacy architectures and 5G’s service-based design.

Detailed exploration ofRadio Access Network (RAN),5G New Radio (NR), andtransport architecture.
Introduction toService Aware Transport Networks (SATN)and the5G Core (5GC).
Module 3: 5G Core Network & Virtualization

This advanced module focuses on theservice-based architecture (SBA)of the 5G Core and its virtualization framework:

Reference Core Network Architecture and its logical components.

Key functions such asAMF, SMF, UPF, PCF, UDM, NSSF, NRF, and NWDAF.

Core protocols includingHTTP/2for service-based communication.

Overview ofNetwork Function Virtualization (NFV)and orchestration in the 5G ecosystem.

Module 4: 5G Call Flows – Registration, PDU Establishment & QoS

This module provides an operational perspective, detailing how 5G manages device connectivity and data sessions:

Initial Access & Registration proceduresin 5G NR.

Step-by-stepCall Setup and Context Establishment flows.

UnderstandingRRC functions, states, and transitions.

Deep dive intoNetwork Slicing (NSSAI),AMF selection, andQoS flow management.

PDU Session EstablishmentandQuality of Servicehandling for differentiated user experiences.

Module 5: 5G Deployment Options – SA vs NSA

Comparison ofFrequency Ranges (FR1 vs FR2)and related use cases.

Analysis ofStandalone (SA)andNon-Standalone (NSA)deployment options.

Detailed architecture ofSA Option 2andNSA Option 3x (EN-DC).

Key interfaces, components, and operational benefits of each approach.

Applications, limitations, and transition strategies from NSA to SA.

Module 6: Dual Connectivity – EN-DC & NR-DC

This module coversmulti-connectivity mechanismsthat enhance performance and reliability:

UnderstandingDual Connectivity conceptsand roles ofPCell,PSCell, andSCell.

DetailedEN-DC and NR-DC workflowsand deployment scenarios.

Key benefits of simultaneous connectivity across different RATs (E-UTRA and NR).

Module 7: Carrier Aggregation in NSA & SA

The final module explores performance enhancement through spectrum aggregation:

Overview and principles ofCarrier Aggregation (CA)in 5G.

Implementation and configuration inNSA and SAmodes.

Relationship betweenDual Connectivity (DC)andCA.

UE and Network considerations,scheduling, andmobility management.

Comparative analysis ofCA vs DCperformance and use cases.

Learning Outcomes

Understand theend-to-end architectureandservice-based frameworkof 5G networks.

Explain the roles of key network functions in5GCandRAN.

Evaluate deployment models (SA/NSA) and their practical applications.

Analyze 5Gcall flows,QoS mechanisms, andmobility procedures.

Describe advanced concepts likeDual ConnectivityandCarrier Aggregationand their impact on network performance.

Who this course is for:
– Suitable for the engineers working in 5G space or planning to get into technical domain of 5G
– Suitable for Managers working in telecom operators and planning to deploy or manage 5G networks
– Suitable for beginners who are interested to get into telecom domain and learn new technology such as 5G
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