5G NG-RAN Architecture
2 Days
5G System Overview
C-RAN – Centralized RAN
O-RAN Architecture
Standalone NR with 5GC
NG-RAN Protocol Overview
NR Uu Channel Architecture
RRC and RRC States
Integrated Access and Backhaul (IAB)
Support for 5G Use Cases
Virtual Classroom Training
€ 1730 *
CLASSROOM TRAINING
€ 1730 *
RECORDED TRAINING
€ 550 *
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This course provides a thorough overview of the Next-Generation Radio Access Network (NG-RAN) which is part of the 3GPP 5G System. The focus is on Standalone (SA) operation with NG-RAN connected to the 5G Core Network.
The course starts with a brief introduction to the 5G System, but focuses on the nodes/functions, interfaces, protocols and procedures in the NG-RAN. The course also describes dual connectivity as well as various NG-RAN implementations such as C-RAN, O-RAN (from O-RAN Alliance) and IAB (Integrated Access and Backhaul).
This course also exists in a shorter version, 5G NG-RAN in Half a Day, and a much shorter version, 5G NG-RAN in an Hour.
Prerequisites
Knowledge of LTE/4G is required. Basic knowledge of the overall 5G System is recommended. Good 5G background knowledge is provided e.g. by Apis’ 5G System Overview course.
Course Outline
5G System Overview
- 5G System introduction
- E-UTRAN and NG-RAN elements: gNB, eNB, ng-eNB, en-gNB
- Non-Standalone (NSA) vs Standalone (SA) deployment options
- PDU Sessions and QoS flows
C-RAN – Centralized RAN
- Reasons for C-RAN
- gNB Central Unit and gNB Distributed Unit
- gNB-CU Control Plane and User Plane separation
- F1-C, F1-U interfaces
- F1AP – F1 Application Protocol
- E1 interface
- E1AP – E1 Application Protocol
O-RAN Architecture
- Reasons for O-RAN
- Relation to 3GPP specifications
- O-RAN Architecture and Interfaces (A1, E2, O1, O2)
- Non-RT vs Neal-RT RAN Intelligent Controller (RIC)
- Virtualization of NG-RAN functions
Standalone NR with 5GC
- Architecture for SA NR
- Basic procedures: Registration and PDU Session Establishment
- NR-NR Dual Connectivity (NR-DC)
- Handling of control plane and user plane connections
NG-RAN Protocol Overview
- Overview of NG-RAN interfaces and protocols
- N2/N3/NG interfaces and NGAP/GTP-U protocol functions
- Xn interface and XnAP protocol functions
- RRC, SDAP, PDCP, RLC and MAC
NR Uu Channel Architecture
- Overview of the radio interface protocol stack
- Layer 2 protocols: SDAP, PDCP, RLC, MAC
- RLC Channels, Logical Channels, Transport Channels and Physical Channels
RRC and RRC States
- RRC Overview
- RRC States
- Behavior of Network and UE in IDLE, CONNECTED and INACTIVE states
- RAN Notification Areas
Integrated Access and Backhaul (IAB)
- Reasons for IAB
- IAB Architecture: IAB-donor and IAB-node
- Bandwidth Adaptation Protocol (BAP)
Support for 5G Use Cases
- How and in what way does NG-RAN support the main 5G uses cases: eMBB, mMTC and URLLC
Interested in this course?
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Past delegates include
