实例介绍
OFDMA系统分析与设计的国外经典教材 Chapter 1 Introduction to OFDM and OFDMA Chapter 2 Characterization of the Mobile Wireless Channel Chapter 3 Fundamentals of Digital Communications and Networking Chapter 4 Fundamentals of OFDM and OFDMA: Transceiver Structure Chapter 5 Physical Layer: Time and Frequency Chapter
For a listing of recent titles in the Artech House Mobile Communications Library, turn to the back of this book OFDMA System Analysis and Design Samuel C. Yang ARTECH HOUSE BOSTON LONDON artechhouse. com Library of Congress Cataloging-in-Publication Data A catalog record for this book is available from the U.S. Library of Congress British Library cataloguing in Publication Data A catalogue record for this book is available from the british library ISBN-13:978-1-60807-076-3 Cover design by vicki Kane C 2010 Artech House 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, elec- tronic 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 10987654321 To my beautiful wife Jenny Contents Preface Acknowledgments XV CHAPTER T Introduction to ofdm and ofdma 1.1 Motivation 1.2 Conventional FDm 1.3 Advantages of FDm 1.3.1 Intersymbol Interference(ISI)and Multipath Fading 1.3.2 Modulation and Coding per Subcarrier 1.3.3 Simple equalization 1.4 Disadvantages of FDM 1.5 Basics of ofdm 1.6 Advantages of OFDM 1.6.1 Low-Complexity modulation 1.6.2 Spectral Efficiency 1.7 Basics of ofdma 1.8 Advantages of OFDMA 12 1.9 Some Practical issues of ofdm and ofdma 1.9.1 Time Domain: Interblock Interference 13 1.9.2 Frequency Domain: Intercarrier Interference 13 1.10 OFDM and Dsss 14 1.11 Overview of the book 14 References 15 Selected Bibliography CHAPTER 2 Characterization of the mobile wireless channel 2.1 Introduction 2.2 Link analysis 2.3 Distance Dimension: Propagation Loss 2.3.1 Path Loss 2.3.2 Shadowing Loss 24 Contents 2.3.3 Multipath Fading 26 Example 2.1 28 2.3.4 Concluding Remarks 29 2.4 Time Dimension: Multipath Delay Spread 30 2.4.1 Delay Spread 30 Example 2.2 31 Example 2.3 31 2. 4.2 Coherence bandwidth 32 2.4.3 Implications for OFDM 35 2.5 Frequency Dimension: Doppler Spread 36 2.5.1 Doppler Spread 36 Example 2. 4 37 2.5.2 Coherence time 2.5.3 Implications for OFDM 40 2. 6 Conclusions 41 References 43 Selected Bibliography 44 ChAPTER 3 Fundamentals of Digital Communications and Networking 45 3.1 Introduction 45 3.2 Basic Functions of a Transceiver 45 3.3 Channel Coding 47 3.3.1 Linear block codes 47 3.3.2 Convolutional codes 49 3.4 Symbol mapping and modulation 3.5 Demodulation 56 3. 5. 1 Matched Filter 56 3.5.2 Symbol Error 3.6 Adaptive Modulation and Coding 60 3.7 Cyclic Redundancy Check(CRC) 62 3.8 Automatic Repeat Request(arQ) 64 3.8.1 Stop-and-Wait ARQ 64 3.8.2 Sliding Window arQ 65 3.9 Hybrid ARQ 67 References 69 Selected bibliography CHAPTER 4 Fundamentals of ofdm and ofdma: transceiver structure 4.1 Basic Transmitter functions 71 4.2 Time domain: guard time 4.3 Frequency Domain: Synchronization 74 4.4 Basic receiver functions 75 4.5 Equalization 76 4.6 OFDM Symbol 79 Contents 4.7 OFDMA Transmitter 84 4. 8 OFDMA Receiver 4.9 OFDMA 4.9.1 Frequency diversity 4.9.2 Multiuser diversity 91 4.9.3 Concluding Remarks 4.10 Peak-to-Average Power ratio 92 4.11 Conclusions 93 References 94 Selected Bibliography 95 CHAPTER 5 Physical Layer: Time and Frequency 97 5.1 Introduction 5.2 Distributed Subcarrier Permutation: Forming Subchannels on Downlink 5.2.1 Full Usage of Subchannels(FUSC 100 5.2.2 Partial Usage of Subchannels(PUSC) 101 5.2.3 Tile Usage of Subchannels 1(TUSC1) 102 5.2.4 Tile Usage of Subchannels 2(TUSC2) 102 5.3 Distributed Subcarrier Permutation: Forming Subchannels on Uplink 102 5.3.1 Partial Usage of Subchannels(PUSC) 103 5.3.2 Optional Partial Usage of Subchannels(Optional PUSC) 103 5.4 Adjacent Subcarrier Permutation: Downlink and Uplink 104 5.5 Summary of Subcarrier Permutation Modes 104 5.6 Bursts and Permutation Zones 105 5.7 Subframes and frames 107 5.7.1 Preamble 110 5.7.2 Frame Control Header(FCH) 110 5.7.3 Downlink MAP (DL-MAP)and Uplink MAP(UL-MAP 111 5. 8 TDD and FDD 5. 9 System Design Issues 112 5.9.1 Frequency Diversity and multiuser diversity 112 5.9.2 Segmentation 112 5. 10 Adaptive burst profiles 115 5.10.1 Burst Profiles 115 5.10.2 Channel Quality Feedback 116 References 117 ChAPTER 6 Physical Layer: Spatial Techniques 119 6.1 Introduction 6.2 Spatial Diversity: Receive Diversity 120 6.2.1 Receive Diversity: Antenna Selection 122 6.2.2 Receive Diversity: Maximal Ratio Combining 6.3 Spatial Diversity: Transmit Diversity 123 Contents 6.3. 1 Transmit Diversity: Open-Loop 2 X 1 124 6.3.2 Transmit Diversity: Open-Loop 2X 2 126 6.3.3 Transmit Diversity: Closed-Loop Antenna Selection 128 Example 6.1 129 6.3.4 Transmit Diversity: Closed-Loop precoding 130 6.3.5 Remarks 132 6.4 Spatial Multiplexing 133 6.5 MIMO-OFDM 136 6.6 Beamforming 136 6.7 System Design Issues 139 References 140 Selected Bibliography 141 CHAPTER 7 Medium Access control: architecture and data plane 143 7.1 MAC Architecture 143 7.2 Convergence Sublayer 145 7. 2.1 Address Mapping( Classification 146 7. 2.2 Header Suppression 146 7. 3 Common Part Sublayer 147 7.3.1ARQ 147 7. 3.2 MAC SDU and MAc pdu 148 7.3.3 Fragmentation/Packing 149 7.4 Security Sublayer 152 References 152 chaPTeR 8 Medium Access Control Lower Control plane 153 8. 1 Introduction 153 8.2 Scheduler 153 8.3 Bandwidth Request 155 8.3.1 Request in Existing Uplink Allocation 156 8.3.2 Unicast Polling 156 8.3.3 Multicast and Broadcast Polling 157 8.3.4 Contention-Based Request for OFDMA 157 8.4 Control Signaling 158 8.5 Ranging 159 8.5.1 Initial Ranging 159 8.5.2 Periodic Ranging 160 8.5.3 Handover ranging 161 8.6 Power Control 161 8.6.1 Uplink Power Control: Closed-Loop 164 8.6.2 Uplink Power Control: Open-Loop 166 8.6.3 Assignment of Uplink Modulation and Coding 8.6.4 Concluding Remarks 168 References 169 Contents ChaPTER 9 Medium Access Control: Upper Control plane 171 9.1 Introduction 171 9.2 Network Entry 171 9.2. 1 Synchronization with Downlink of Base Station and acquisition of parameters 173 9.2.2 Initial Ranging 173 9. 2.3 Negotiation of Mobile Capabilities 174 9.2.4 Security Procedures 174 9.2.5 Mobile registration 175 9.2.6 IP Connectivity 175 9.2.7 Connection Setup 176 9.3 Mobility Management: Link Handover 176 9.3.1 Cell Reselection 177 9.3.2 Hard Handover(HHO 179 9.3.3 Macro Diversity Handover(MDHO) 184 9.3.4 Fast Base Station Switching(FBSS 187 9.3.5 System Design Issue: H Add and h delete 189 9.3.6 Concluding Remarks 191 9.4 Mobility management: Network handover 192 References 192 CHAPTER 10 Quality of Service(Qos) 195 10.1 Introduction 195 10.2 Definitions and Fundamental Concepts 195 10.2.1 Service Flows and Qos Parameters 195 10.2.2 Connections 196 10.3 Object Relationship Model 197 10.4 Service flow transactions 199 10.4.1 Creating a Service Flow 199 10.4.2 Changing a Service Flow 200 10.4.3 Deleting a Service Flow 203 10.5 QoS Parameters 204 10.6 Scheduling Services 206 10.6.1 Unsolicited Grant Service(UGS) 206 10.6.2 Real-Time Polling Service(rtPS 207 10.6.3 Extended Real-Time Polling Service(ertPS 207 10.6.4 Nonreal-Time Polling Service(nrtPS 208 10.6.5 Best Effort(BE) 208 10.6.6 Remarks 209 References 210 【实例截图】
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