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

QoS

• 5G Architecture

• QoS Flows

• 5QI, ARP

• GBR QoS Flow: MFBR, GFBR

• Non-GBR QoS Flow: RQA, RQoS

• Traffic Cases

MAC, RLC, PDCP and SDAP (L2)

• Protocol Overview of sublayers

• L2 Data Flow Example

• Carrier Aggregation -CA

• Dual Connectivity - DC

• Supplementary Uplink – SUL

• Bandwidth Adaptation - BA