Book Image

Mastering 5G Network Design, Implementation, and Operations

By : Shyam Varan Nath, Ananya Simlai, Oğuzhan Kara
5 (1)
Book Image

Mastering 5G Network Design, Implementation, and Operations

5 (1)
By: Shyam Varan Nath, Ananya Simlai, Oğuzhan Kara

Overview of this book

We are living in an era where ultra-fast internet speed is not a want, but a necessity. As applications continue to evolve, they demand a reliable network with low latency and high speed. With the widespread commercial adoption of driverless cars, robotic factory floors, and AR/VR-based immersive sporting events, speed and reliability are becoming more crucial than ever before. Fortunately, the power of 5G technology enables all this and much more. This book helps you understand the fundamental building blocks that enable 5G technology. You’ll explore the unique aspects that make 5G capable of meeting high-quality demands, including technologies that back 5G, enhancements in the air interface, and packet core, which come together to create a network with unparalleled performance. As you advance, you’ll discover how to design and implement both 5G macro and private networks, while also learning about the various design and deployment options available and which option is best suited for specific use cases. After that, you’ll check out the operational and maintenance aspects of such networks and how 5G works together with fixed wireline and satellite technologies. By the end of this book, you’ll understand the theoretical and practical aspects of 5G, enabling you to use it as a handbook to establish a 5G network.
Table of Contents (23 chapters)
1
Part 1:Introduction to 5G
Free Chapter
2
Chapter 1: Introduction to 5G
10
Part 2:5G Network Design, Deployment Models, and Advanced Use Cases

VoNR call procedures

This section evaluates the activities that need to take place to ultimately set up a VoNR call.

High-level call procedure activities

Key procedures take place within the 5G system, IMS, and policy charging control elements such as PCF to make a VoNR call. There is activity taking place with the SIP and the IMS. There is also activity taking place with the Diameter protocol and PCF. Moreover, there is also activity taking place in the 5G access network itself. Hence, these three network domains work together to establish a VoNR call.

To go into this in more detail, the process starts with the concept of exchanging the Session Description Protocol (SDP) messages: SDP Offer and SDP Answer. A flow of VoIP packets is required between two parties in a VoIP call. Therefore, the IP address and ports between the two parties should be known. Moreover, the voice codec and required bandwidth that need to be used should also be known. The SIP doesn’t do this...