Introduction To 3g Mobile Communications, Second Edition

Introduction to 3G Mobile Communications Second Edition For a listing of recent titles in the Artech House Mobile Communications Series, please turn to the back of this book. Introduction to 3G Mobile Communications Second Edition Juha Korhonen Artech House Boston • London www.artechhouse.com Library of Congress Cataloging-in-Publication Data Korhonen, Juha. Introduction to 3G mobile communications / Juha Korhonen.—2nd ed. p. cm. — (Artech House mobile communications series) Includes bibliographical references and index. ISBN 1-58053-507-0 (alk. paper) 1. Wireless communication systems. 2. Mobile communication systems. 3. Universal Mobile Telecommunications System. I. Title. II. Series. TK5103.2.K67 384.5’3—dc21 2003 2002043665 British Library Cataloguing in Publication Data Korhonen, Juha Introduction to 3G mobile communications.—2nd ed.—(Artech House mobile communications series) 1. Mobile communication systems I. Title 621.3’8456 ISBN 1-58053-507-0 Cover design by Yekaterina Ratner. Text design by Darrell Judd. © 2003 ARTECH HOUSE, INC. 685 Canton Street Norwood, MA 02062 All rights reserved. Printed and bound in the United States of America. No part of this book may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher. All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Artech House cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark. International Standard Book Number: 1-58053-507-0 Library of Congress Catalog Card Number: 2002043665 10 9 8 7 6 5 4 3 2 1 Chapter 0 Contents Preface Acknowledgments 1 Overview xv xvii 1 1.1 History of Mobile Cellular Systems 1.1.1 First Generation 1.1.2 Second Generation 1.1.3 Generation 2.5 1.2 Overview of 3G 1.3 Proposals for 3G Standard 1.3.1 WCDMA 1.3.2 Advanced TDMA 1.3.3 Hybrid CDMA/TDMA 1.3.4 OFDM 1.3.5 IMT-2000 1.4 3GPP 1.4.1 TDD 1.4.2 TD-SCDMA 1.5 3GPP2 1.6 3G Evolution Paths References 1 1 2 5 8 10 10 11 12 12 13 14 15 18 20 23 24 2 25 Principles of CDMA 2.1 Radio-Channel Access Schemes 2.2 Spread Spectrum 2.3 RAKE Receiver 2.4 Power Control 2.5 Handovers 2.5.1 Soft Handover 2.5.2 Relocation 2.5.3 Hard Handover 2.5.4 Intersystem Handovers 2.6 Multiuser Detection References 25 28 32 32 37 38 41 44 45 47 48 v vi CONTENTS 3 WCDMA Air Interface: Physical Layer 3.1 General 3.1.1 Forward Error Correction Encoding/Decoding 3.1.2 Radio Measurements and Indications to Higher Layers 3.1.3 Macrodiversity Distribution/Combining and Soft Handover Execution 3.1.4 Error Detection on Transport Channels 3.1.5 Multiplexing of Transport Channels and Demultiplexing of CCTrCHs 3.1.6 Rate Matching 3.1.7 Mapping of CCTrCHs on Physical Channels 3.1.8 Modulation, Spreading/Demodulation, and Despreading of Physical Channels 3.1.9 Frequency and Time Synchronization 3.1.10 Inner-Loop Power Control 3.1.11 Power Weighting and Combining of Physical Channels 3.1.12 RF Processing 3.1.13 Timing Advance on Uplink Channels 3.1.14 Support of Uplink Synchronizati