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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

Table of Contents (23) Chapters

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

Wi-Fi attach

One of the prime features of the 5G core network is its capability to inter-work with different types of access networks, both 3GPP-based and non-3GPP-based. One such network is Wi-Fi. The 5G radio can coexist with Wi-Fi access to cover coverage gaps. Hence, denser access can be planned with complementing radio access technologies. This is how Wi-Fi and New Radio (5G radio) can complement each other and do not need to be treated as competing technologies.

Figure 7.29 – Wi-Fi attach – part 1

Figure 7.29 – Wi-Fi attach – part 1

We will now go over the Wi-Fi attach procedure:

Step 1: The UE sends the IKE_SA_AUTH exchange message to ePDG (IWF-interworking function) to create the IPSec tunnel.

Step 2: The UE sends the IKE_SA_AUTH exchange message to the SMF+PGW-C as a GTP Create Session request by including the P-CSCF IPv4 or IPv6 request and DNS IPv4 or IPv6 container identifier in APCO IE options. The ePDG checks the UE capability information to determine whether...

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