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1、WIRELESS INTERNET AND MOBILE COMPUTING Interoperability and Performance Yu-Kwong Ricky Kwok Colorado State University Vincent K.N.Lau The Hong Kong University of Science and Technology IEEE IEEE PRESS B I C E N T E N N I A L WILEY WILEY-:2 0 0 7 ;:ur B I C E N T E N N I A L INTERSCIENCE A JOHN WILEY
2、&SONS,INC.,PUBLICATION This Page Intentionally Left BlankWIRELESS INTERNET AND MOBILE COMPUTING B I C E N T E N N I A I I I.1 8 0 7 1 E WLEY 3 2 0 0 7 ;u B I C E N T I N I I A L THE WILEY BICENTENNIAL-KNOWLEDGE FOR GENERATIONS G a c h generation has its unique needs and aspirations.When Charles Wile
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7、hen and where you need it!c-4 *WILLIAM J.PESCE PETER BOOTH WILEV PRESIDENT AND CHIEF EXECUTIVE OFFICER CHAIRMAN OF THE BOARD WIRELESS INTERNET AND MOBILE COMPUTING Interoperability and Performance Yu-Kwong Ricky Kwok Colorado State University Vincent K.N.Lau The Hong Kong University of Science and T
8、echnology IEEE IEEE PRESS B I C E N T E N N I A L WILEY WILEY-:2 0 0 7 ;:ur B I C E N T E N N I A L INTERSCIENCE A JOHN WILEY&SONS,INC.,PUBLICATION Copyright 0 2007 by John Wiley&Sons,Inc.All rights reserved.Published by John Wiley&Sons,Inc.,Hoboken,New Jersey.Published simultaneously in Canada.No p
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15、may not be available in electronic format.For information about Wiley products,visit our web site at .Wiley Bicentennial Logo:Richard J.Pacific0 Library of Congress Cataloging-in-Publication Data:Kwok,Yu-Kwong Ricky.Yu Kwong Ricky Kwok and Vincent Lau.Wireless Internet and mobile computing:interoper
16、ability and performance/p.cm.ISBN 978-0-471-67968-4(cloth)1.Wireless communication systems.2.Mobile computing.3.Intemetworking(Telecommunication)I.Lau,Vincent K.N.11.Title.TK5103.2.K95 2007 621.382-dc22 2007001709 Printed in the United States of America 10 9 8 7 6 5 4 3 2 1 To our wives and kids:Fio
17、n,Harold,AmbeK Elvina,and Sze-Chun This Page Intentionally Left BlankCONTENTS Preface Acknowledgments Acronyms PART I ESSENTIALS OF WIRELESS COMMUNICATIONS The Mobile Radio Propagation Channel 1.1 Introduction 1.2 Large Scale Path-loss 1.3 Shadowing Effects 1.4 1.5 Practical Considerations 1.6 Summa
18、ry Problems Small Scale Multipath Fading Effects Modulation Techniques xvii xxix xxxi 1 1 3 6 7 13 16 16 19 vii Viii CONTENTS 2.1 Introduction 2.2 2.3 2.4 2.5 Performance and Tradeoffs 2.6 Practical Illustrations:Digital Modulation 2.7 Summary Problems Signal Space and Geometric Representation of Si
19、gnals Modulation Design and Signal Constellations Demodulation Design and Optimal Detection in AWGN Channels 3 Multiuser Communications 3.1 Introduction 3.2 Information Theoretic Overview 3.3 Orthogonal Resource Partitioning 3.4 Non-Orthogonal Resource Partitioning 3.5 Spectral Efficiency and Perfor
20、mance Issues 3.6 Practical Illustrations:GSM,CDMA and Wireless LAN 3.7 Summary Problems 4 Diversity Techniques 4.1 Introduction 4.2 4.3 4.4 4.5 Equalization*4.6 Practical Illustration:RAKE Receiver 4.7 Summary Problems Effects of Flat Fading on BER Performance Effects of Frequency Selective Fading o
21、n BER Performance Diversity:A Key Technique to Combat Flat Fading Channels PART II CELLULAR WIRELESS TECHNOLOGIES 5 Overview and Evolution of Cellular Technologies 5.1 Introduction 5.2 Evolution of Cellular Systems 5.3 5.4 Summary Technical Challenges to Realize 3G Services 19 21 25 28 34 38 44 45 4
22、7 47 49 54 65 73 81 85 86 87 87 88 89 90 98 101 105 106 111 111 113 121 131 CONTENTS ix Problems 132 6 CDMA(IS-95)133 133 134 136 140 154 164 173 174 6.1 Introduction 6.2 System Architecture of IS95 6.3 6.4 Call Processing 6.5 Power Control 6.6 Soft Handover 6.7 Summary Problems Physical Layer and P
23、hysical Channels 7 GSM 7.1 Introduction 7.2 GSM System Architecture 7.3 GPRS System Architecture 7.4 Radio Interface 7.5 7.6 Summary Problems Core Network Interface and Services 8 Wideband CDMA and Beyond 8.1 Introduction 8.2 UMTS Architecture 8.3 Packet Switched Connections in UMTS(Re1 99)8.3 Packe
24、t Scheduling in HSDPA(Re1 5)8.5 Summary Problems PART 111 SHORT-RANGE WIRELESS TECHNOLOGIES 9 IEEE 802.11 WLAN Standards 9.1 Introduction 9.2 Design Goals 9.3 IEEE 802 Architecture 9.4 IEEE 802.1 1 MAC Layer 175 175 176 179 184 194 216 217 21 9 219 22 1 243 247 254 255 259 259 260 260 264 X CONTENTS
25、 9.5 IEEE 802.11 Physical Layers 9.6 9.7 Advanced Developments 9.8 Practical Illustration:Home Network 9.9 Summary Problems IEEE 802.1 le for QoS Provisioning 10 Bluetooth WPAN 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 Introduction Design Goals Bluetooth Protocol Stack Bluetooth Physical and MAC Layer
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