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  • Course Length:
  • 2 day

The cellular industry is gearing up for 5G. The industry is planning to support a variety of new and exciting services such as Augmented Reality (AR)/Virtual Reality (VR), hologram videos, and self-driving cars. Such services require a wide range of network capabilities to support a variety of consumer devices and Internet-of-Things (IoT) devices. This course takes an in-depth look at the 5G NG-RAN architecture and major operations that enable a 5G network to support the target 5G services. Various aspects of the NG-RAN are described. Registration and session setup are discussed along with a look at network slicing. The data transfer in both downlink and uplink is described. Mobility in connected, inactive, and idle modes is discussed. Finally, the status of 5G in in the industry is summarized.

This detailed technical course is intended for engineering and related job functions who need to get an in-depth understanding of 5G NG-RAN architecture and operations.

After completing this course, the student will be able to:
■ Illustrate the architecture of the NG-RAN
■ Describe the frame structure with numerology of the air interface
■ Summarize architecture enhancements such as Cloud-RAN and Dual Connectivity
■ Identify key steps of network acquisition, random access, and connection setup
■ List main steps of registration, network slice selection, and session setup
■ Give examples of QoS parameters in 5G
■ Explain how data is transferred in the downlink and the uplink
■ Differentiate between the connected mode mobility and the idle/inactive mode mobility

1. 5G in a Nutshell
1.1 5G Services and performance goals
1.2 Key 5G components
1.3 NSA and SA deployments

2. NG-RAN Architecture
2.1 5G network architecture
2.2 Multi-RAT dual Connectivity (e.g., EN-DC)
2.3 NG-RAN Interfaces and Protocols
2.4 NG-RAN and UE identifiers
2.5 Cloud RAN and Transport

3. New Radio (NR) Air Interface
3.1 Numerology and frame structure
3.2 Beamforming and MIMO
3.3 Downlink Signals and Channels
3.4 Uplink Signals and Channels
3.5 NR Protocols and UE States

4. Network Access and Connection Setup
4.1 Network Acquisition
4.2 Random access procedure
4.3 RRC Connection Setup

5. Registration and PDU Session Setup
5.1 QoS framework in 5G
5.2 Registration
5.3 Network Slicing
5.4 PDU Session setup

6. DL and UL Data Transfer
6.1 Bearer setup in NSA Option 3x
6.2 Frame and Slot structure in 5G NR
6.3 Downlink data transfer
6.4 Uplink data transfer

7. Mobility and Handovers
7.1 Cell- and Beam-level mobility
7.2 Connected Mode Mobility - Handovers
7.3 Inter-DU/Intra-CU Handovers
7.4 Handovers in NSA Option 3x
7.5 Idle Mode mobility
7.6 Paging and RNA Update