Broadband Wireless Access & Local Networks: Mobile Wimax and Wifi

647 Pages·2008·5.01 MB·English

by  Byeong Gi Lee

Broadband Wireless Access
and Local Networks
Mobile WiMAX and WiFi
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turn to the back of this book.
Broadband Wireless Access
and Local Networks
Mobile WiMAX and WiFi
Byeong Gi Lee
Sunghyun Choi
artechhouse.com
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ISBN-13: 978-1-59693-293-7
Cover design by Yekaterina Ratner
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To our wives
Hyeon Soon Kang and Yoonjung Ryu

Contents
Preface xvii
Acknowledgments xxiii
CHAPTER 1
Preliminaries 1
1.1 Wireless Communication Channel Characteristics 2
1.1.1 Channel Gain 2
1.1.2 Fading 3
1.1.3 Channel Reinforcing Techniques 8
1.2 Frequency Spectrum for Wireless Communications 11
1.2.1 Frequency Spectrum for WiMAX 12
1.2.2 Frequency Spectrum for WiFi 16
1.3 Standardization History 20
1.3.1 IEEE 802.16/WiMAX Standardization 20
1.3.2 IEEE 802.11/WiFi Standardization 23
1.4 Mobile WiMAX Versus WiFi 30
1.4.1 Mobile WiMAX: Broadband Wireless Access Networks 30
1.4.2 WiFi: Wireless Local Area Networks 34
1.4.3 Similarities and Differences 39
References 40
Selected Bibliography 42
PART I
Mobile WiMAX: Broadband Wireless Access Network 43
CHAPTER 2
Introduction to Mobile WiMAX Networks 47
2.1 Key Network Technologies 49
2.1.1 Duplexing: TDD 50
2.1.2 Multiple Access: OFDMA 51
2.1.3 Coding and Modulation 53
2.1.4 Multiple Antennas 56
2.1.5 Bandwidth Management 58
2.1.6 Retransmission: HARQ 59
2.1.7 Mobility Management 60
2.1.8 Security Management 62
2.2 Protocol Layering 63
vii
viii Contents
2.2.1 Service-Specific Convergence Sublayer 64
2.2.2 MAC Common Part Sublayer 65
2.2.3 Security Sublayer 66
2.2.4 Physical Layer 66
2.3 Network Architecture 68
2.3.1 Network Reference Model 68
2.3.2 Functional Entities 69
2.3.3 Reference Points 71
2.4 Mobile WiMAX Versus Cellular Mobile Networks 72
2.4.1 Evolution of Cellular Mobile Networks 72
2.4.2 Comparison of Mobile WiMAX and Cellular Mobile Networks 75
2.4.3 Mobile WiMAX to Cellular Mobile Network Interworking 78
References 82
Selected Bibliography 83
CHAPTER 3
Network Initialization and Maintenance 85
3.1 Network Discovery 87
3.1.1 Scanning 88
3.1.2 Synchronization 88
3.1.3 Parameter Acquisition 88
3.2 Network Initialization 89
3.2.1 Initial Ranging 91
3.2.2 Basic Capabilities Negotiation 94
3.2.3 Authorization and Key Exchange 94
3.2.4 Registration 95
3.2.5 Establishing Connections 96
3.3 Connection Setup 96
3.3.1 Basic Connection Setup 96
3.3.2 QoS and Bandwidth Allocation 97
3.4 Nonconnected State 99
3.4.1 Sleep Mode 99
3.4.2 Idle Mode 100
3.5 Paging 100
3.6 Mobility 101
3.6.1 Nonconnected-State Mobility 102
3.6.2 Connected-State Mobility—Handover 102
3.7 Maintenance 103
3.7.1 Synchronization 104
3.7.2 Periodic Ranging 104
3.7.3 Power Control 105
References 106
Selected Bibliography 106
CHAPTER 4
OFDMA PHY Framework 107
4.1 OFDMA Communication Signal Processing 107
Contents ix
4.1.1 Encoding and Modulation 108
4.1.2 Subcarrier Mapping and Transform 111
4.1.3 Transmit Processing 118
4.1.4 OFDMA System Parameters 122
4.2 Channel Coding and HARQ 124
4.2.1 Convolutional Code 124
4.2.2 Convolutional Turbo Code (CTC) 128
4.2.3 Hybrid ARQ 136
4.3 OFDMA Frame Structuring 139
4.3.1 OFDMA Slots and Bursts 139
4.3.2 OFDMA Frame 141
4.3.3 FCH and DL/UL MAPs 144
4.3.4 Burst Profiles 152
4.4 Subchannelization 156
4.4.1 DL PUSC 158
4.4.2 DL FUSC 160
4.4.3 UL PUSC 163
4.4.4 DL/UL AMC 165
References 169
Selected Bibliography 169
CHAPTER 5
MAC Framework 171
5.1 MAC Service-Specific Convergence Sublayer 171
5.1.1 Classification Functions 172
5.1.2 MAC SDU and CS PDU Formats 173
5.1.3 PHS Functions 175
5.2 MAC Common Part Sublayer 176
5.2.1 MAC CPS Functions 177
5.2.2 Addressing and Connections 179
5.2.3 MAC Management Messages 180
5.2.4 MAC PDU Formats 183
5.2.5 Construction and Transmission of MAC PDU 187
5.3 ARQ 188
5.3.1 ARQ Block Processing 188
5.3.2 ARQ Feedback 191
5.3.3 ARQ Operation 193
Reference 195
Selected Bibliography 195
CHAPTER 6
Bandwidth Management and QoS 197
6.1 Scheduling and Data Delivery Services 197
6.1.1 Scheduling Services 198
6.1.2 Data Delivery Services 202
6.2 Bandwidth Request and Allocation 203
6.2.1 Requests 203