he 4G Mobile Network André Perez WILEY First published 2016 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 John Wiley & Sons, Inc. 27-37 St George's Road 111 River Street London SW19 4EU Hoboken, NJ 07030 www.iste.co.uk www.wiley.com © ISTE Ltd 2016 The rights of André Perez 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: 2016938934 British Library Cataloguing-in-Publication Data A CIP record for this book is available from the British Library ISBN 978-1-84821-923-6 Contents Preface List of Abbreviations Chapter 1. Network Architecture 1.1. EPS network 1.1.1. Functional architecture 1.1.2. Protocol architecture 1.1.3. Bearers 1.2. IMS network 1.2.1. Functional architecture 1.2.2. Protocol architecture 1.3. Databases 1.3.1. Functional architecture 1.3.2. Protocol architecture 1.4. Charging associated with IMS network 1.4.1. Functional architecture 1.4.2. Protocol architecture 1.5. PCC function 1.5.1. Functional architecture 1.5.2. Protocol architecture 1.6. DIAMETER routers 1.7. ENUM system 1.8. IPX network Chapter 2. Signaling Protocols 2.1. NAS protocol 2.1.1. EMM messages VoLTE and ViLTE 2.1.2. ESM messages 2.2. RRC protocol 2.2.1. System information 2.2.2. Control of RRC connection 2.2.3. Measurement report 2.3. S1-AP protocol 2.3.1. Context management 2.3.2. Bearer management 2.3.3. Mobility management 2.3.4. S1-MME interfac