Wireless Mesh Networks

Going beyond classic networking principles and architectures for better wireless performanceWritten by authors with vast experience in academia and industry, Wireless Mesh Networks provides its readers with a thorough overview and in-depth understanding of the state-of-the-art in wireless mesh networking. It offers guidance on how to develop new ideas to advance this technology, and how to support emerging applications and services. The contents of the book follow the TCP/IP protocol stack, starting from the physical layer. Functionalities and existing protocols and algorithms for each protocol layer are covered in depth. The book is written in an accessible textbook style, and contains supporting materials such as problems and exercises to assist learning.Key Features:Presents an in-depth explanation of recent advances and open research issues in wireless mesh networking, and offers concrete and comprehensive material to guide deployment and product development Describes system architectures and applications of wireless mesh networks (WMNs), and discusses the critical factors influencing protocol design Explores theoretical network capacity and the state-of-the-art protocols related to WMNs Surveys standards that have been specified and standard drafts that are being specified for WMNs, in particular the latest standardization results in IEEE 802.11s, 802.15.5, 802.16 mesh mode, and 802.16 relay mode Includes an accompanying website with PPT-slides, further reading, tutorial material, exercises, and solutionsAdvanced students on networking, computer science, and electrical engineering courses will find Wireless Mesh Networks an essential read. It will also be of interest to wireless networking academics, researchers, and engineers at universities and in industry.

Dr. Ian F. Akyildiz is Ken Byers Distinguished Chair Professor in Telecommunications, School of Electrical and Computer Engineering, Georgia Institute of Technology, and Director of the Broadband and Wireless Networking Laboratory. Current research interests are Sensor Networks, InterPlanetary Internet, Wireless Networks, Satellite Networks and Next Generation Internet. ?Ian has published over 200 journal and conference papers, is Editor-in-Chief of Computer Networks and Ad Hoc Networks Journals (Elsevier), and an Editor for ACM-Kluwer Journal of Wireless Networks. Ian is an IEEE Fellow (1996) with the citation: "For contributions to performance analysis of computer communication networks," and an ACM Fellow (1997) "for fundamental research contributions in: finite capacity queuing network models; performance evaluation of Time Warp parallel simulations; traffic Control in ATM networks, and mobility management in wireless networks".

Dr. Xudong Wang is Senior Research Engineer at KIYON Inc., where he conducts research and development of MAC, routing, and transport protocols for wireless mesh networks. Research interests also include software radios, cross-layer design, communication protocols for cellular networks, mobile ad hoc networks, sensor networks, and ultra-wideband networks. He has two patents pending in wireless mesh networks. He is technical committee member of several international conferences, has been a reviewer for numerous international journals, and is guest editor for the Special Issue on Wireless Mesh Networking in IEEE Wireless Communications.

About the Series Editor	p. xiii
Preface	p. xv
Introduction	p. 1
Network Architecture	p. 2
Characteristics	p. 5
Application Scenarios	p. 7
Critical Design Factors	p. 13
Physical Layer	p. 17
Adaptive Coding/Modulation and Link Adaptation	p. 18
Directional Antennas and Multi-Antenna Systems	p. 20
Directional Antenna	p. 20
Antenna Diversity and Smart Antenna	p. 21
Cooperative Diversity and Cooperative Communications	p. 26
Multichannel Systems	p. 29
Advanced Radio Technologies	p. 30
Frequency Agile Radios and Cognitive Radios	p. 31
Reconfiguarable Radios and Software Radios	p. 31
Integrating Different Advanced Techniques: IEEE 802.1 1n	p. 31
Protocol Reference Model of the Physical Layer	p. 32
PLCP Sublayer	p. 32
PMD Sublayer	p. 43
PLME Sublayer	p. 45
Open Research Issues	p. 45
Medium Access Control Layer	p. 49
Single-Channel Single-Radio MAC Protocols	p. 52
CSMA/CA Improvements	p. 52
IEEE 802.11e	p. 53
WMN MAC Based on IEEE 802.1 1s	p. 54
TDMA Over CSMA/CA	p. 55
IEEE 802.16 MAC in Mesh Mode	p. 56
MAC for Ultra-Wideband (UWB) WMNs	p. 62
CDMA MAC	p. 63
Multi-Channel Single-Radio MAC Protocols	p. 66
Multichannel MAC (MMAC Protocol)	p. 66
Slotted Seeded Channel Hopping (SSCH) MAC	p. 71
Multriadio MAC Protocols	p. 74
Multichannel Unification Protocol (MUP)	p. 74
Multiradio Two-Phase Protocol	p. 77
Channel Assignment in the MAC Layer	p. 81
Dynamic Frequency Selection (DFS) Requirements	p. 82
Open Research Issues	p. 83
Work Layer	p. 87
Routing Challenges	p. 88
Design Principles	p. 89
Topology Discovery for Routing	p. 92
Performance Parameters	p. 93
Routing Metrics	p. 94
Hop-Count	p. 94
Per-Hop Round Trip Time (RTT)	p. 94
Per-Hop Packet Pair Delay	p. 95
Expected Transmission Count (ETX)	p. 95
Expected Transmission on a Path (ETOP)	p. 96
Expected Transmission Time (ETT) and Weighted Cumulative ETT (WCETT)	p. 97
Effective Number of Transmissions (ENT)	p. 97
Metric of Interference and Channel-Switching (MIC)	p. 98
Bottleneck Link Capacity (BLC)	p. 98
Expected Data Rate (EDR)	p. 99
Low Overhead Routing Metric	p. 99
Airtime Cost Routing Metric	p. 100
Remaining Issues	p. 100
Categories of Routing Protocols	p. 102
Hop-Count Based Routing	p. 102
Link-Level QoS Routing	p. 103
End-to-End QoS Routing	p. 103
Reliability-Aware Routing	p. 103
Stability-Aware Routing	p. 104
Scalable Routing	p. 104
Hop-Count Based Routing Protocols	p. 104
Light Client Management Routing (LCMR) Protocol	p. 104
Orthogonal Rendezvous Routing (ORR) Protocol	p. 105
HEAT Protocol	p. 106
Link-Level QoS Based Routing Protocols	p. 106
Link Quality Source Routing (LQSR) Protocol	p. 106
Multiradio LQSR (MR-LQSR) Routing Protocol	p. 106
ExOR Routing Protocol	p. 107
AODV-Spanning Tree (AODV-ST) Protocol	p. 107
Interference Based Routing: IRMA	p. 108
Routing with Load Balancing	p. 109
Routing Based on Residual Link Capacity	p. 109
End-to-End QoS Routing	p. 110
Quality Aware Routing Protocol	p. 110
RingMesh Routing Protocol	p. 110
Bandwidth Reservation Routing Protocol	p. 111
Reliability Aware Routing: Multipath Routing	p. 111
Resilient Opportunistic Mesh Routing (ROMER) Protocol	p. 112
Multipath Mesh (MMESH) Routing Protocol	p. 112
Stability Based Routing	p. 113
Scalable Routing	p. 114
Hierarchical Routing	p. 114
Geographic Routing	p. 115
Cross-Layer Multichannel Routing Protocols	p. 117
Joint Channel Assignment and Routing	p. 117
Distributed Joint Channel and Routing Protocol	p. 118
Open Research Issues	p. 119
Transport Layer	p. 123
Challenges of a Transport Layer Protocol in Wireless Environments	p. 123
Transport Layer Protocols for Multihop Ad Hoc Networks	p. 125
Protocols for Reliable Data Transport	p. 126
Protocols for Real-Time Delivery	p. 129
Transport Layer Protocols for WMNs	p. 130
Transport Protocols Based on Hop-by-Hop Control	p. 131
Datagram Congestion Control Protocol (DCCP) for WMNs	p. 133
Open Research Issues	p. 134
Network Security	p. 137
Security Attacks in WMNs	p. 137
Counter-Attack Measures	p. 139
Security Schemes in Related Wireless Networks	p. 139
Security of IEEE 802.11 Wireless LANs	p. 139
Security of IEEE 802.16 Wireless MANs	p. 145
Security of Mobile Ad Hoc Networks	p. 146
Security Mechanisms for WMNs	p. 148
Features and Challenges of a Secure WMN	p. 148
Security of IEEE 802.1 1s WMN	p. 149
Future Directions	p. 159
Multilayer Design for WMN Security	p. 161
Research Issues in the Multilayer Security	p. 163
Network Control and Management	p. 165
Mobility Management	p. 166
Mobility Management in Related Wireless Networks	p. 166
Mobility Management in WMNs	p. 167
Open Research Issues	p. 170
Power Management	p. 171
Power Management in Related Wireless Networks	p. 171
Power Management in WMNs	p. 172
Open Research Issues	p. 175
Topology Control and Management	p. 175
Topology Control and Management in Related Wireless Networks	p. 176
Topology Control and Management in WMNs	p. 177
	p. 179
Notations and Terms	p. 180
Capacity of Ad Hoc Networks without Mobility	p. 181
Arbitrary Networks	p. 182
Random Networks	p. 185
Implications	p. 189
Capacity of Mobile Ad Hoc Networks	p. 189
Mobile Networks without Relaying Nodes	p. 191
Mobile Networks with Relaying Nodes	p. 192
Capacity of Ad Hoc Networks with Infrastructure Support	p. 194
Regularly Placed Infrastructure Nodes and Randomly Located Ad Hoc Nodes	p. 195
Randomly Placed Infrastructure Nodes and Ad Hoc Nodes	p. 197
Arbitrarily Placed Infrastructure Nodes and Randomly Located Ad Hoc Nodes	p. 199
Capacity and Delay Tradeoff	p. 202
Analytical Model and Definitions	p. 202
Throughput-Delay Tradeoff in Static Networks	p. 204
Throughput-Delay Tradeoff in Mobile Networks	p. 205
Open Research Issues	p. 210
Applicability of Asymptotic Capacity Analysis to WMNs	p. 210
Cross-Layer Design	p. 215
Motivations for Cross-Layer Design	p. 216
Layered Design Versus Cross-Layer Design	p. 217
Cross-Layer Design in WMNs	p. 220
General Methodology of Cross-Layer Design	p. 222
MAC/Physical Cross-Layer Design	p. 223
Link Adaptation, Adaptive Rate Control, and Adaptive Framing	p. 224
Adaptive Antenna Direction Control	p. 225
Dynamic Subcarrier Allocation and Frame Aggregation for OFDM	p. 226
MIMO Control and Scheduling	p. 227
Routing/MAC Cross-Layer Design	p. 228
Methodology of Routing/MAC Cross-Layer Design	p. 229
Joint Channel Allocation and Routing	p. 230
Advanced Features and Challenges	p. 232
Transport/Physical Cross-Layer Design	p. 232
Joint Optimization Algorithms across Multiple Protocol Layers	p. 236
Joint Optimization of Congestion Control and Scheduling	p. 237
Limitations of Cross-Layer Optimization Algorithms	p. 241
Prudent Use of Cross-Layer Design	p. 242
Standards on Wireless Mesh Networks	p. 245
Overview of IEEE 802 Working Groups for Wireless Networks	p. 246
Overview of Industry Alliances/Forums for Different Wireless Technologies	p. 246
Standards for Meshed Wireless LANs	p. 248
Overview of IEEE 802.11 Standard Activities	p. 248
IEEE 802.1 1s	p. 248
Standards for Meshed Wireless PANs	p. 265
Overview of IEEE 802.15 Standard Activities	p. 266
IEEE 802.15.5	p. 268
UWB-Based Meshed Wireless PANs	p. 271
Remaining Issues in Standards for Meshed Wireless PANs	p. 273
Standards for Meshed Wireless MANs	p. 274
Overview of IEEE 802.16 Standard Activities	p. 274
IEEE 802.16 Mesh Mode	p. 275
IEEE 802.16j	p. 280
References	p. 285
Index	p. 301
Table of Contents provided by Ingram. All Rights Reserved.

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Wireless Mesh Networks

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Author Biography

Table of Contents

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