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Mastering 5G Network Design, Implementation, and Operations

You're reading from  Mastering 5G Network Design, Implementation, and Operations

Product type Book
Published in Jun 2023
Publisher Packt
ISBN-13 9781838980108
Pages 434 pages
Edition 1st Edition
Languages
Authors (3):
Shyam Varan Nath Shyam Varan Nath
Profile icon Shyam Varan Nath
Ananya Simlai Ananya Simlai
Profile icon Ananya Simlai
Oğuzhan Kara Oğuzhan Kara
Profile icon Oğuzhan Kara
View More author details
Toc

Table of Contents (23) Chapters close

Preface 1. Part 1:Introduction to 5G
2. Chapter 1: Introduction to 5G 3. Chapter 2: End-to-End Architecture Components, Concepts, Security, and Transport 4. Chapter 3: Building Blocks – Cloud Native Infrastructure 5. Chapter 4: 5G Air Interface and Physical Layer Procedures – Part 1 6. Chapter 5: 5G Air Interface and Physical Layer Procedures – Part 2 7. Chapter 6: 5G Air Interface and Physical Layer Procedures – Part 3 8. Chapter 7: Packet Core Procedures 9. Chapter 8: Voice over New Radio (VoNR) 10. Part 2:5G Network Design, Deployment Models, and Advanced Use Cases
11. Chapter 9: 5G Deployment Options 12. Chapter 10: 5G Non-Standalone Networks 13. Chapter 11: 5G Standalone Networks 14. Chapter 12: 5G Infrastructure Design 15. Chapter 13: 5G Network Slicing 16. Chapter 14: 5G and Autonomous Vehicles 17. Chapter 15: 5G Fixed Mobile Convergence 18. Chapter 16: 5G and Satellite Communications 19. Chapter 17: Automation, Orchestration, and Testing 20. Index 21. Other Books You May Enjoy Appendix

PDU session establishment in 5G

In Chapter 2, we discussed a Protocol Data Unit (PDU) session, wherein we learned that a PDU provides end-to-end connectivity to user equipment (UE) to avail of data services. A PDU session can be imagined to be a pipe that is associated with every UE and is identified by a PDU session ID; this pipe is used for the user data to flow between the 5G packet core to the UE. The PDU session ID is generated by the UE. Figure 7.1 shows a PDU session along with various Quality of Service (QoS) flows associated with it:

Figure 7.1 – PDU session in 5G

Figure 7.1 – PDU session in 5G

The establishment of a PDU session involves the UE along with a number of network functions. These network functions exchange messages with each other, and when all these message transactions are successful, a PDU session is finally established.

Figure 7.2 describes the procedure through which this end-to-end connectivity is established. It can be noticed here that the participating...

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