5G O-RAN (Open RAN):

Architecture, Procedures, and Use Cases

4 days training event


Course Outlines - Download PDF

What will you learn?

  • O-RAN (Open RAN) Concept in detail

  • RAN Functional Split Options (especially option 7.2x)

  • O-RAN Architecture (SMO, Non-RT RIC, Near RT RIC)

  • DevOps in O-RAN

  • Evolution to O-RAN, D-RAN, RAN Disaggregation)

  • Enhanced CPRI (e-CPRI) Protocol

  • Virtualization on O-RAN

  • O-RAN Use Cases (Traffic Steering, NSSI Optimization, UAV resource allocation)


  • Basic concepts of Mobile telecommunication and 5G

Course Outlines


  • The main components of a 5G Network

  • Design Goals of Open RAN

Evolution to Open RAN

  • Traditional Base Station Architecture

  • Evolution to Contemporary Base Station

  • Evolution to Virtualized RAN (vRAN)

  • From Virtualized RAN (vRAN) to Open RAN

  • Difference between Distributed RAN and Centralized RAN

  • Difference between Centralized RAN and Cloud RAN

  • Path to 5G Open RAN: Horizontal Dis-Aggregation

RAN Splits-Logical View

  • Different RAN Functional Splits

  • RAN Split Option 1

  • RAN Split Option 2

  • RAN Split Option 8

  • RAN Split Option 6

  • RAN Splits Logical View

  • Option 7.2x for Open RAN

  • Enhanced CPRI (e-CPRI) Protocol

Overview of O-RAN Architecture

  • Difference between Open RAN and O-RAN

  • Control Plane & User Plane Dis-Aggregation in O-RAN

  • Entities & Interfaces introduced in O-RAN Alliance Architecture Functions

  • Options for Aggregation of O-RAN Nodes

  • O-RAN Control Loops

  • Major Entities in O-RAN Ecosystems

Virtualization Techniques for O-RAN

  • Evolution of Virtualization: Physical Network Functions (PNFs)

  • Virtual Network Functions (VNFs)

  • Monolithic Applications as VNFs

  • Cloud-Native Network Function Distributed Applications

  • O-Cloud Deployment Option

  • DevOps CI-CD in O-RAN

  • Network automation to reduce CAPEX and OPEX

Detailed O-RAN Architecture

  • Service Management and Orchestration (SMO)

  • Non Real Time RIC (non-RT RIC)

  • JSON (JavaScript Object Nation) Format Example

  • A1 Policy Format and Examples

  • Centralized and Distributed Near-RT RIC

O-RAN Traffic Steering Use Case

  • O-RAN Traffic Steering (TS) APP vs Traditional TS

  • Advantages of TS using O-RAN

  • Required Data (KPI) collection for TS

  • Role of Non-RT RIC in TS

  • Role of Near RT RIC in TS

  • TS Example Scenario

Network Slicing in 5G O-RAN

  • What is a Network Slice

  • Example of Network Slicing in 5G

  • Single Network Slice Selection Assistance Information (S-NSSAI)

  • Network Slice Subnet Instance (NSSI)

  • Network Slicing Management Model: CSMF, NSMF, NSSMF

  • Network Slice Template (NST)

  • Open Network Automation Platform (ONAP) Architecture

  • ONAP based O-RAN Network Slicing Architecture

  • Network Slice Instance Creation Procedure Using ONAP based Network Slicing

O-RAN Use Case

  • Use Case: NSSI Resource Allocation Optimization

  • NSSI Resource Allocation Optimization Procedure

  • Flow Diagram: NSSI Resource Allocation Optimization

  • Use Case: Flight Path-Based Dynamic UAV radio resource allocation

  • Flight Path-Based dynamic UAV radio resource allocation procedure

  • Flow Diagram: Flight Path-Based Dynamic UAV Radio resource allocation

  • Use Case: 5G Massive MIMO Beamforming Optimization

  • Massive MIMO Beamforming Optimization Procedure


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Kuala Lumpur

Kuala Lumpur






Sunny resort beach with palm tree at the coast shore of Red Sea in Sharm el Sheikh, Sinai, Egypt, Asia in summer hot. Bright sunny light

Sharm El Sheikh