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

Product typeBook

Published inJun 2023

PublisherPackt

ISBN-139781838980108

Edition1st Edition

Concepts

Information Architecture

Authors (3):

Shyam Varan Nath

Ananya Simlai

Oğuzhan Kara

View More author details

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

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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Mastering 5G Network Design, Implementation, and Operations

Published in: Jun 2023Publisher: PacktISBN-13: 9781838980108

Authors (3)

Shyam Varan Nath

Specialist Leader - AI & Analytics, Deloitte
Read more about Shyam Varan Nath

Ananya Simlai

Ananya Simlai is a Solutions Architect with primary focus on Wireless- 4G-5G Mobility Networks, Cloud Native and NFVI, she is a Trusted Advisor for service providers helping them address their technological challenges thereby enabling them to smoothly transition across technologies like 4G- 5G. She has been a speaker on 5G on international forums and also interacts with CTO teams to design their 5G story. She has published multiple papers on 5G and holds granted patents. She has been instrumental in designing, implementing and successfully rolling out one of the largest 5G mobile networks in the globe. She is currently working as an architect in Google and has previously worked in Vmware, Cisco, Altiostar Networks and Starent Networks.
Read more about Ananya Simlai

Oğuzhan Kara

Oğuzhan Kara is a microelectronics engineer with 12 years of mobile technologies experience including 5G NR, VoLTE, LTE-A, O-RAN, IoT, AI and autonomous systems. He is an expert in Radio Access Network (RAN) design and network optimization. He worked as consultant for different mobile network operators such that AT&T, Partner (f.k.a. Orange in Israel), Hot Mobile, and Yota. In 2021, he founded his own telecommunications consultancy company based in London, UK and he is currently providing 5G consultancy services to Qualcomm and Vodafone.
Read more about Oğuzhan Kara

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