CDMA Mobile Radio Design - Artech House.pdf

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CDMA Mobile Radio Design
CDMA Mobile Radio Design
John B. Groe
Lawrence E. Larson
Artech House
Boston London
www.artechhouse.com
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Library of Congress Cataloging-in-Publication Data
Groe, John B.
CDMA mobile radio design/John B. Groe, Lawrence E. Larson.
p. cm. - (Artech House mobile communications series)
Includes bibliographical references and index.
ISBN l-58053-059-1 (alk. paper)
1. Code division multiple access. 2. Cellular telephone systems. 3. Mobile
communication systems. I. Larson, Lawrence E. II. Tide. III. Series.
TK5 103.452.G76 2000
00-027455
621.3845-dc21
CIP
British Library Cataloguing in Publication Data
Groe, John B.
CDMA mobile radio design. - (Artech House mobile
communications series)
1. Cellular radio -- Design 2. Wireless communication systems
-Design 3. Code division multiple access
I. Tide II. Larson, Lawrence E.
621.3’845
ISBN l-58053-059-1
Cover design by Igor Valdman
0 2000 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 permis-
sion in writing from the publisher.
All terms mentioned in this book that ate known to be trademarks or service marks have
been appropriately capita&d. 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: l-58053-059-1
Library of Congress Catalog Card Number: 00-027455
10987654321
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Contents
Preface
. . .
XIII
1 Introduction to Wireless
Communications
1
1.1
Network Architecture for Cellular
Wireless Communications
1.2
1.3
1.4
Data Communication Techniques
Protocols for Wireless Communications
Radio Propagation in a Mobile Wireless
Environment
7
7
8
14
16
1.4.1
1.4.2
1.4.3
1.5
Path Loss
Muitipath Fading
Modeling the Communication Channel
Wireless Standards
References
19
2
The CDMA Concept
21
2.1 Direct-Sequence Spread-Spectrum
Communications
21
2.1 .l Spreading Codes
24
2.1.2
Spread-Spectrum Performance
27
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Viii
CDMA Mobile Radio Design
2.2
2.2.1
2.2.2
2.2.3
2.2.4
Overview of the CDMA IS95 Air Interface
Forward Link
Reverse Link
29
29
34
38
39
40
Power Control Algorithm
Performance Summary
References
3
3.1
3.1.1
3.1.2
3.1.3
3.2
3.2.1
3.2.2
3.3
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
The Digital System
Architecture Issues
The MCU
43
44
44
The DSP
Memory
MCU Functions
Protocol Administration
45
46
46
47
47
Power Management
Digital Signal Processing Algorithms
49
49
The Sampling Theorem
Sample Rate Conversion
Digital Filters
Fast Fourier Transforms
Windowing Operations
Detection Process
References
52
55
57
58
60
64
4
4.1
4.2
4.2.1
4.2.2
4.2.3
Speech Coding
Characteristics of Human Speech
Speech-Coding Algorithms
Waveform Coders
Vocoders
67
68
69
70
72
Speech Coders for Wireless
Communication Systems
82
83
85
4.3
Speech Quality
References
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