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NG-RAN Overview – 2 Days

Intended Audience: Telecom Engineers or anyone interested in 5G NG-RAN
Delivery Method: Live slides and Active Learning Methodology
Prerequisites: 5G System Overview
Source: 3GPP, IETF, GSMA, ETSI, etc

5G System Architecture

  • 5G System introduction

  • Overall Architecture of NG-RAN

  • NG-RAN Identities

  • Network Interfaces (NG, Xn)

  • Radio Protocol Architecture (CP, UP)

  • MR-DC (Multi-Radio Dual Connectivity)

  • Non-Stand Alone(NSA) vs Stand-Alone (SA)

New Radio (NR) Fundamentals

  • OFDM Basics

  • NR frequency bands

  • OFDM Numerologies for NR

  • Waveform and Frame Structure

NG and Xn Reference Points

  • NGAP Protocol Overview

  • XnAP Protocol Overview

  • Elementary Procedures and Traffic Cases

NG-RAN Architecture

  • gNB-DU, gNB-CU and F1 (F1-C, F1-U)

  • F1AP Protocol Overview

  • Separation of gNB-CU and E1

  • E1 Protocol Overview

  • IAB Architecture (Integrated Access and Backhaul)

  • Traffic Cases (Overall Procedures)

RRC (L3)

  • RRC Services and Functions

  • RRC States (Idle, Connected and Inactive)

  • System Information Handling

  • Transport of NAS Messages

  • RRC Elementary Procedures

  • RNA (Ran Notification Area)

  • RAN Based Paging

Mobility (Intra-NR)

  • RRC Protocol Structure

  • RRC States: Idle, Connected, Inactive

  • RRC Elementary Procedures

  • RAN Notification Areas

C-RAN – Centralized RAN

  • Mobility in Idle State

  • Mobility in Connected State

  • Mobility in Inactive State

  • Traffic Cases


  • 5G Architecture

  • QoS Flows

  • 5QI, ARP

  • GBR QoS Flow: MFBR, GFBR

  • Non-GBR QoS Flow: RQA, RQoS

  • Traffic Cases


  • Protocol Overview of sublayers

  • L2 Data Flow Example

  • Carrier Aggregation -CA

  • Dual Connectivity - DC

  • Supplementary Uplink – SUL

  • Bandwidth Adaptation - BA

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