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TRANSMISSION TECHNOLOGIES

5G Network Architecture with Core Network Planning and Security

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Duration and Training Format

5 days, Instructor-led Training (35 hours)

Course Objectives

This course aims to provide students with deep technical skills for planning and performing 5G network design. Upon completion of this course, the participants would be able to:

  • Describe what is 5G
  • Describe the 5G technology drivers
  • List the 5G features and their benefits
  • Describe the 5G network architecture and its key technologies
  • Illustrate the 5G architecture and components both Core, RAN and Services
  • Explain the Core network operation of 5G and the functionality of related nodes
  • Describe typical 5G Use Cases and deployment scenarios
  • Describe the conditions necessary to support 5G deployments
  • Describe and design the IT infrastructure environment of 5G
  • Describe the virtual network functions and the software based architecture of 5G
  • Describe and be able to assess the security risk of 5G
  • Ability to create cybersecurity policies for multiple layers of the 5G infrastructure

Participants will be given intermittent quizzes throughout the training session to drive home important concepts.

Pre-requisite for Participants

  • Knowledge of core networking and functions
  • Basic understanding of IP-based communication
  • Experience with IT concepts and infrastructure (i.e. APIs, Ethernet, Switches, Routers)
  • Understanding of current 4G Air Interface and Core Network Technologies

Who Should Attend?

This course is designed for telecommunications engineers, IT engineers as well as Telecom infrastructure security professionals working in the Mobile Operators, Policy Regulators, or IT infrastructure providers, as well as those wishing to extend their skills, knowledge, qualifications and certifications in relation to 5G system and infrastructure.

Course Outlines

5G Introduction

  • The way to 5G
  • New services proposed
  • ITU 5G Use Cases
  • 5G assumptions & technical expectations
  • Critical MTC: Communications Distance vs. Latency
  • Summary of 5G technology capabilities
  • The evolution of 5G
  • What are small cells in 5G technology?
  • IMT 2020
  • 5G performance requirements
  • Capacity Increase
  • 5G New Spectrum & considerations
  • Five Key Technology Components of 5G

5G Use Cases

  • ITU definitions and HL use cases
  • eMBB
  • Fixed Wireless Access
  • Ultra Reliable Low Latency Communications – Critical IoT
  • mMTC – Massive IoT
  • D2D
  • C-V2X

5G System & Core Deep Dive

  • Introduction to Service Based Architecture model for 5GC
  • Introduction to the NG-RAN:
    • gNB, N3IWF for WiFi, AMF, eNB, ng-eNB, ng-gNB
    • Interfaces: Xn, N2, N3
    • NR and E-UTRAN Dual Connectivity Options
    • Architecture options: gNB CU and DU, CU/DU separation
  • Introduction to 5G Core network functions
    • AMF, SMF, UPF, UDR, UDM, AUSF, NEF, PCF, NSSF, NRF, SEPP, NWDAF
    • Interfaces: N1, N4, N5, N6, N7, N8, N9, N10, N11, N12, N13, N14, N15, N35, N36, N37
  • Non-Stand Alone (NSA) and Stand-Alone (SA) options.
  • 5G Reference Interfaces (Roaming and Non-Roaming)
  • Distributed and Flexible Architecture
    • Mobile Edge Computing architecture
    • Distributed Cloud Edge Computing
  • Connectivity to non-3GPP
  • User Plane Resources:
    • Definition of PDU sessions
    • Signaling flow for AF selection, QoS Session and UE context creation
    • Service Data Flows
    • QoS Flows, Rules, Profiles
    • SDF Templates
    • Data Radio Bearers and N3 Tunnels
    • SMF control of UPF over N4 interface
  • Policy and Charging Control (PCC)
    • Access and Mobility handling
    • QoS/QoE handling for PDU sessions

Service Based Architecture (SBA)

  • Technical overview of SDN and SDN Architectures
  • Technical overview of ETSI NFV
    • NFV Use Cases
    • Service Chaining
  • Management and Orchestration
  • Telecom Software Architectures and Evolution
    • Monolithic, Virtualized, Containerized, Function-based
  • Definitions of
    • Service Based Interfaces
    • Network Function (NF)
    • NF Service
    • Service Producer
    • Service Consumer
  • NF Registration, Discovery and Selection Procedures
  • SBI Protocols
    • RESTful APIs
    • HTTP, HTTP/2, JSON
  • Zero Touch Service & Network Management
    • Cognitive Autonomy

5G Service Exposure

  • Mechanisms for external AFs to control access and QoS
  • Role of Packet Flow Description Function (PFDF)
  • User Plane Splitting: multiple N6 interfaces for service-aware traffic steering
  • Network Exposure Function (NEF)
    • Functionality
    • Interactions between 5GC and 3P-NFs

5G NR - Flexible Frame structure

  • Physical Resource Block (PRB)
  • Frequency domain
  • Time domain
  • PHY layer – frame structure (time domain)
  • DL:UL frame arrangements
  • Subframe types

5G Air Interface Physical channels (Overview)

  • DL sweeping subframes
  • xPBCH – Physical Broadcast Channel
  • SS/PBCH block
  • The reference signals

5G Air Interface Call Flow Examples (Overview)

  • Initial attach procedure and re-attach procedure
  • Connection Establishment Flow
  • Uplink PDU Transfer Flow
  • Set-up of a PDU session
  • Mobility flows

5G Network Slicing

  • Requirements grouped by category
  • 5G Radio/core network deployment scenarios
  • Standalone
  • Non Standalone
  • Comparison of EPC and 5GCN
  • NFV as a tool to implement Network slicing
  • PFCP vs. OF (OpenFlow)
  • Service Function Chaining (SFC)
  • Identifiers of Network Slices: NSI ID, NSSAI, S-NSAAI
  • GTP Tunnel and PDU Session Types
  • Transport Network Slicing – System View
  • 3GPP Network Slicing – E2E Service View
  • Data-Driven Orchestration

5G Security

  • 5G Security Drivers
  • Non-Standardized Network Security Measures
  • Elements of a 5G Security Architecture
  • 5G Security Algorithms
  • SDN Security
  • NFV Security
  • Major 5G Security issues
  • Network Slicing and Network Slice Isolation
  • Status in 5G Security Standardization
  • WBPLSec model and application in 5G
  • SEAF / ARPF / SEPP
  • Authentication Protocols and Key Agreement
    • AV Generation: Kausf, XRES, AUTN, RAND
  • 5G AKA
    • Key Derivation at the AMF
    • Device Authentication
    • 5G HE AV, 5G SE AV, HXRES*, HRES*, Kseaf
  • Security Procedures
    • Key distribution in 5G & Key Hierarchy
    • NAS Signalling Security
    • RRC Signalling Security
  • SUPI & SUCI
  • Multiple Registrations
  • Securing AN to CN Communications
    • IPSec Basic Operation & IPSec ESP
    • Establishement of gNB Security Associations
      • X.501 Certificate Exchange
  • Inter Operator Network Security
  • SBA: Risks, Threats and Recommendations
  • Cloud and Virtualization Security
  • C-RAN Security
  • 5G IoT Security
  • MEC/Distributed Cloud Security
  • Safety of 5G Network Physical Infrastructures
  • 5G Customer Edge Switching Security
  • 5G Positioning and Privacy
  • Securing 5G Automation
  • Software Defined Security Monitoring in 5G
  • 5G Monitoring and Security Operations
  • Implementing and Auditing 5G Security Controls
  • 5G Forensics & Analysis
  • 5G Cybersecurity risk management & Recommendations

5G Deployment

  • 3GPP 4G to 5G options strategy
  • 5G Deployment options summarized
  • 5G Core Infrastructure deployment options

 

 

Explore other 5G courses and view our Course Calendar for the upcoming scheduled courses.

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