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# 2012 John Wiley & Sons Singapore Pte. Ltd. With this in mind, LTE is the central focus of the mobile industry, as LTE is the most promising technology on the market. For mobile operators running GSM/UMTS systems,LTE is a natural choice for their future networks. Even operators deploying 2G/3G CDMA systems are choosing the LTE system as their future network, because LTE is the only viable option for their survival. In this sense, LTE is a truly global mobile communication system that will cover almost all of the world. Currently, more than two hundred mobile operators are planning or are already deploying an LTE system.
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RADIO PROTOCOLS
FOR LTE AND
LTE-ADVANCED
RADIO PROTOCOLS
FOR LTE AND
LTE-ADVANCED
SeungJune Yi
SungDuck Chun
YoungDae Lee
SungJun Park
SungHoon Jung
LG Electronics, South Korea
This edition first published 2012
#
2012 John Wiley & Sons Singapore Pte. Ltd.
Registered office
John Wiley & Sons Singapore Pte. Ltd., 1 Fusionopolis Walk, #07-01 Solaris South Tower, Singapore 138628
For details of our global editorial offices, for customer services and for information about how to apply for permission to
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All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any
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John Wiley & Sons Singapore Pte. Ltd., 1 Fusionopolis Walk, #07-01 Solaris South Tower, Singapore 138628,
tel: 65-66438000, fax: 65-66438008, email: enquiry@wiley.com.
Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in
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The Publisher is not associated with any product or vendor mentioned in this book. This publication is designed to provide
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Publisher is not engaged in rendering professional services. If professional advice or other expert assistance is required, the
services of a competent professional should be sought.
Library of Congress Cataloging-in-Publication Data
Radio protocols for LTE and LTE-advanced / SeungJune Yi ... [et al.].
p. cm.
Includes bibliographical references and index.
ISBN 978-1-118-18853-8 (cloth)
1. Long-Term Evolution (Telecommunications) 2. Mobile communication systems–Technological innovations.
3. Wireless communication systems–Technological innovations. I. Yi, SeungJune.
TK5103.48325.R33 2012
621.3845
0
6–dc23
2012020587
ISBN: 9781118188538
Set in 10/12 pt Times by Thomson Digital, Noida, India
Contents
Foreword by Takehiro Nakamura xiii
Preface xv
About the Authors xvii
1 Introduction 1
1.1 3GPP 1
1.2 Evolutionary Path of 3GPP Systems 4
1.2.1 GSM 4
1.2.2 GPRS/EDGE 6
1.2.3 UMTS 7
1.2.4 HSPA 8
1.2.5 LTE 9
1.3 Market Trend 10
1.4 Requirement of LTE 11
1.5 Overview of LTE Architecture 14
1.5.1 Network Architecture 14
1.5.2 QoS Architecture 18
1.5.3 Radio Protocol Architecture of LTE 21
1.6 UE Capabilities 24
References 26
2 Idle Mode Procedure 27
2.1 Idle Mode Functions 27
2.2 Services and Cell Categorization 29
2.3 UE States and State Transitions 30
2.4 PLMN Selection 31
2.4.1 Triggering of PLMN Selection 32
2.4.2 Search of Available PLMNs 32
2.4.3 PLMN Selection 32
2.5 Location Registration 34
2.6 Cell Selection 34
2.6.1 Cell Selection Criterion 35
2.6.2 Cell Selection upon RRC Connection Release 36
2.7 Cell Reselection 36
2.7.1 Measurement Rules 37
2.7.2 Reselection to a Neighboring Cell 39
2.7.3 Mobility State Dependent Scaling 41
2.8 Access Verification 43
2.8.1 Cell Barring Status and Cell Reservation Status 43
2.9 Paging Reception 44
References 45
3 Radio Resource Control (RRC) 47
3.1 RRC Functions and Architecture 48
3.2 System Information 50
3.2.1 Scheduling of System Information 50
3.2.2 System Information Update 54
3.3 Paging 55
3.4 Connection Establishment 56
3.4.1 Step 1: Access Class Barring 57
3.4.2 Step 2: Transmis sion of the RRCConnectionRequest Message 58
3.4.3 Step 3: Receipt of the RRCConnectionSetup Message 59
3.4.4 Step 4: Transmis sion of the RRCConnectionSetupComplete
Message 59
3.5 Security 60
3.6 RRC Connection Reconfiguration 63
3.6.1 SRB2 Establishment 63
3.6.2 DRB Establishment 63
3.6.3 Parallel Procedure with Security Activation 64
3.7 UE Capability Transfer 65
3.8 Intra-EUTRA Handover 65
3.8.1 Handover Preparation 66
3.8.2 Handover Execution 69
3.8.3 Handover Completion 71
3.9 Measurement Control 72
3.9.1 Measurement Configuration 73
3.9.2 Measurement Report Triggering 74
3.9.3 Measurement Reporting 75
3.10 RRC Connection Re-establishment 75
3.11 Inter-RAT Mobility 78
3.11.1 Inter-RAT Mobility from/ to 3GPP Access Systems 78
3.11.2 Inter-RAT Mobility from/ to CDMA2000 Systems 82
3.12 RRC Connection Release 84
Reference 85
4 Packet Data Convergence Protocol (PDCP) 87
4.1 PDCP Functions and Architecture 87
4.2 Header Compression 89
vi Contents
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