Frédéric Launay - NG-RAN and 5G-NR

5 Chapter 6Table 6.1. Comparison between MIMO and massive-MIMO mechanisms Table 6.2. Mapping of antenna ports and reference signals in downlink transmissi...Table 6.3. Numbering of the antenna port in uplink transmission Table 6.4. Codebook for type 1/type 2 single-panel Table 6.5. Codebook for type 1 multi-panel Table 6.6. SSB characteristics Table 6.7. Frequency search configuration

6 Chapter 7Table 7.1. Extract from Table 13.4 TS 38.213 Table 7.2. Radio configurations

7 Chapter 8Table 8.1. Compression protocols Table 8.2. LCID field values for the DL-SCH transport channel Table 8.3. LCID field values for the UL-SCH transport channel Table 8.4. LCID field values for the MCH transport channel

8 Chapter 9Table 9.1. Support of message relating to system information Table 9.2. MIB and SIB information Table 9.3. The support of the message relating to paging Table 9.4. Support for messages relating to the connection establishment Table 9.5. Support for messages relating to the activation of security Table 9.6. Support for messages relating to the reconfiguration of the connectio...Table 9.7. Support for messages relating to connection re-establishment Table 9.8. Support for messages relating to the connection release

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Frédéric Launay

First published 2021 in Great Britain and the United States by ISTE Ltd and John Wiley & Sons, Inc.

Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms and licenses issued by the CLA. Enquiries concerning reproduction outside these terms should be sent to the publishers at the undermentioned address:

ISTE Ltd

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© ISTE Ltd 2021

The rights of Frédéric Launay to be identified as the author of this work have been asserted by him in accordance with the Copyright, Designs and Patents Act 1988.

Library of Congress Control Number: 2021935849

British Library Cataloguing-in-Publication Data

A CIP record for this book is available from the British Library

ISBN 978-1-78630-628-9

This book aims to describe the deployment of 5G-NSA and 5G-SA.

For the 5G-NSA mode, dual MR-DC connectivity is based on radio measurements allowing the master 4G base station MeNB to add or to remove a 5G secondary node SgNB.

For the 5G-SA mode, the mobile is attached to the 5G core network. Even though this book is devoted to the radio access network, the mobile registration, establishment procedures and re-establishment procedures are also explained.

This book describes the architecture of the NG radio access network and the 5G-NR radio interface according to 3GPP (3rd Generation Partnership Project) specifications.

The 5G-NR radio interface was introduced in Release 15 of the 3GPP standards.

The 5G-NR radio interface is the interface between the UE mobile (User Equipment) and the 5GC mobile network (5G Core).

Chapter 1presents the 5G-NSA and the 5G-SA deployment architecture. It describes the radio access entities and functions of the 5G-SA core network and presents the functions supported by the radio access and the 5GC core network.

In order to prepare RAN virtualization, the radio protocols of the gNB entity are supported by two units: a centralized unit and a distributed unit. This separation creates new interfaces called F1 on the radio access.