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5G Essentials

Learn 5G service-based architecture, slicing, ssc mode in 5g, amf 5g, gpsi 5G, and more. Learn how 5G accomplishes its goals by observing how it actually works.

5G is the next-generation of mobile networks beyond the 4G LTE mobile networks existing today. The vision of 5G is becoming clearer and most experts say 5G will feature network speeds that are blazingly fast at 20 Gbps or higher and have low latency at mere milliseconds. The entire 5G approach takes advantage of containers, virtualization, SDN and NFV.

Mobile telephony has been around for a while. It is very possible that people entering this industry may lack sufficient grounding in how we got to where we are now. Many of the new standards predicate knowledge of previous architectures, greatly raising the barrier of entry for anyone new that is trying to enter the world of 5G. We start this course by reviewing how we got here and where 5G is taking us.

Learn more about this topic now. View the webinar 5G - The most powerful “G” on the planet

Learn more about this topic now. View the webinar Understanding Kubernetes Networking

GK# 100414
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Who Should Attend?

Anyone who needs a high-level overview of complete 5G rollout, Management, Planners and Project Managers.

What You'll Learn

Day One, this course covers just enough of the basics to understand how mobile telephony has changed over the past 27 years and where it is today. Students will cover the architectures of 2G to 4G networks, and 4G to 5G, learning why each new generation was needed, what changed, and what remained with each new generation.

Days two and three will cover in detail, the design motivation and underlying technology of 5G service-based architecture as well as new vocabulary terms. We will cover enough about 5G radio to understand the differences between 4G and 5G, and finally, take a look at the 5G core in action. Sample message flows of typical 5G processes are covered message by message. The goal is to clearly see how 5G accomplishes its goals by observing how it actually works.

Course Outline

5G Introduction

  • Introducing 5G Features
  • What a 5G “Service” is not
  • Introducing the 5G Network Architecture
  • Comparing 5G to 4G
  • Stand Alone
  • Non-standalone
  • EN-DC and X2-C messaging
  • IMS integration

Session and Service Continuity

  • Session and Service Continuity (SSC) mode 1 and 2
  • Session and Service Continuity (SSC) mode 3

Message Queuing

  • Message Queuing (MQ) in a Nutshell
  • Defining 3GPP Exposure
  • Subscribe and Publish Message Flow
  • Embedding JSON in HTTP Messages

5G Stacks

  • Transport NAS and SMS over HTTP
  • PDU Session
  • N2 Interface
  • NG Application Protocol (NGAP) TS 38.413
  • Session Management Function
  • N11 Interface
  • Interworking with the EPC (TS 23.501 - 4.3.1.1)

EU and PDU Session Stats

  • 5GMM main states in theUE
  • 5GMM main states in the network
  • UE PDU Session States
  • SMF PDU Session States

5G Flow Diagrams

  • LTE eNB - 5G gNB dual connectivity (EN-DC)
  • LTE eNB - 5G gNB dual connectivity (EN-DC) with EPC flow
  • 5G Standalone Access: Registration Procedure

Using Unlicensed Spectrum

  • Interoperability with WiFi
  • LTE-U
  • LAA
  • MulteFire
  • SAS New Radio Unlicensed
  • CBRS Summary

5G Infrastructure

  • 5G Changes to the Access Layer
  • 5G Network Location of elements 1 of 5
  • 5G Network Location of elements 2 of 5
  • 5G Network Location of elements 3 of 5
  • 5G E2E Latency Requirements
  • 5G Network Location of elements 4 of 5
  • 5G Network Location of elements 5 of 5

Registration and Tracking Areas

  • Registration and Tracking Areas
  • Registration and Tracking Area Rules
  • UE Moves to a new Tracking Area
  • Network Slice within a Tracking Area
  • Vertical and Horizontal Slices

5G Cloud Based Services

  • Service operation naming
  • Container-based Design of SBA (1 of 2)
  • Container-based Design of SBA (2 of 2)
  • HTTP Reverse Proxy
  • HTTP/2
  • JSON
  • JSON Algorithm

5G Services

  • Namf
  • UE Context in AMF (1 of 2) TS 23-502 Table 5.2.2.2.2-1
  • UE Context in AMF (2 of 2) TS 23-502 Table 5.2.2.2.2-1
  • NSSF
  • NEF
  • NRF
  • UDR
  • Front End and UDC
  • UDM
  • UDM Subscriber Data Management Data Types
  • AUSF Services
  • PCF Services
  • SMF Services

US Unlicensed Spectrum in the Mid-band

  • 3100-3450 & 3450-3550
  • CBRS Band
  • C-Band
  • U Nil Bands (5 Gz)
  • UNI Bands (5 GHz)
  • 7-8 GHz

New Radio

  • New Radio
  • Priority Sectors in New Radio
  • Beamforming
  • Pilot Signals
  • Pilot Signals
  • SU-MIMO vs MU-MIMO
  • Massive mimo
  • Pilot Contamination
  • Pilot Contamination Solutions
  • Densification
  • 5G UE Radio Access Layers
  • Small Cell
  • Remote Radio Head
  • Base Band Unit
  • Common Public Radio Interface
  • Centralized Radio Access Network
  • To CPRI or not to CPRI?
  • Functional Split
  • AAU, DU, and CU using the Option 2 Functional Split
  • Cloud-RAN

Multi-Access Edge Computing

  • 8 Network Function Virtualization Components
  • Why Two Bridges?
  • Simple NFV (Network Function Virtualization) Example
  • OVS-based openstack “wiring”
  • MEC Reference Architecture in a NFV Environment
  • Mobile Edge Computing to Multi-access Edge Computing

Priority Paging and QoS

  • Paging Policy Differentiation (PPD)
  • Network Triggered Service Request
  • QoS Profile
  • QoS Flow Marking
  • Service Data Flow (SDF) Filter
  • 5QI (QoS Flow ID)
  • Enhanced Multi-Level Precedence and Pre-emption service

Multi-Operator Core Networks (MOCN)

  • Intro to MOCN
  • Active Carrier Sharing MOCN Call Flow

The 5G Slice

  • Definitions
    • Network Slice Instance
    • Slice Service Type
    • Network Slice Subnets
    • Network Slice Template
    • Network Slice Assistance Information
    • Information Object Class (TS-28541)
    • Network Functions Virtualization
    • Network Resource Model
    • Solution Set
  • Class Diagrams overview (TS-28541)
  • NSI Lifecycle (TS 28.531)
  • Netconf/YANG Review
  • Provisioning procedures of networks and network slicing (TS 28.531)
  • ETSI NFV-MANO
  • RAN slicing
  • Transport slicing
  • Core selection mechanisms
    • PLMN, APN, DECOR, eDOCOR, 5G slicing
  • 4G slicing examples
    • Radio Resource partitioning, QCI, “congestion-caused” Access Class Barring, APR for contention.
  • User Plane Function
  • Why PFCP rather than OF (OpenFlow)
  • N4 Interface - Packet Forwarding Control Plane Protocol (PFCP)
  • Service Function Chaining (SFC) Architecture RFC 7665
  • Tunneling and the GTP Tunnel
  • PDU Session Types
  • Network Slice Selection Services (TS 29.531 stage 3)
    • Services
    • API Definitions
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Prerequisites