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

Summary

In this chapter, we introduced you to NR general physical layer procedures and channel structure. We made comparisons of bandwidths, energy efficiency, and spectral efficiency between LTE and NR.

Then, we covered all the important aspects regarding the NR waveform, numerology, and frame structure. We learned that NR is OFDM-based with scalable subcarrier spacing. This changes the slot durations to allow for different kinds of services, but it also presents challenges regarding how these different subcarrier spacings can be multiplexed in the frequency domain without interfering between them. We have also discovered that NR supports a slot-based scheduling mode. We saw that there are several interesting use cases that necessitate the introduction of this scheduling mode, such as LTE/NR coexistence or forward compatibility. Finally, we have described the dynamic TDD duplexing mode that NR introduces and how it is signaled to devices by using the slot format indication.

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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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