Details

Foreword xi <p>Preface xiii</p> <p>About the Authors xvii</p> <p>List of Figures xix</p> <p>List of Tables xxv</p> <p><b>1 Introduction 1</b></p> <p><b>2 Architectural Requirements for Multi-hop and Ad-Hoc Networking 9</b></p> <p>2.1. When and Where Do We Need Ad-Hoc Networking? 9</p> <p>2.2. When Do We Need Multi-hop? How Many Hops Are Sufficient/Necessary? 12</p> <p>2.3. Anonymity versus Authorization and Authentication 13</p> <p>2.4. Security and Privacy in Ad-Hoc Networks 17</p> <p>2.5. Security and Privacy in Multi-hop Networks 18</p> <p>2.6. Filtering the Traffic in Ad-Hoc Networking and Multi-hop Relaying 20</p> <p>2.7. QoS 23</p> <p>2.8. Addressability 24</p> <p>2.9. Searchability 28</p> <p>2.10. Ad-Hoc Contexts for Next-Generation Searching 29</p> <p>2.11. Personalization Aspects in Ad-Hoc Information Access 31</p> <p>2.12. Multi-hop Networking: Technical Aspects 32</p> <p>2.13. Summary 34</p> <p>2.13.1. Do We Really Need Ad-Hoc and Multi-hop Networking? If So, When and Where? 35</p> <p>2.13.2. When and Where Do We Need Ad-Hoc Networking? 35</p> <p>2.13.3. How Do We Effectively Combine Anonymity/Privacy with Safety/Security? 36</p> <p>2.13.4. How Do We Personalize Network Access, Including User-Oriented Information Filtering? 37</p> <p>2.13.5. How Do We Access Places/Devices/Information in a Highly Dynamic Environment of an Ad-Hoc and Multi-hop Network Affecting Addressability, Searchability, and Accessibility of Data? 37</p> <p>2.13.6. How Do We Support Frequently Dis- and Reconnected Users, Including Efficient Propagation of Important Information to Newcomers? 38</p> <p>2.13.7. How Many Hops Are Allowed/Effective for a Typical Multi-hop Information Exchange? Is Relaying Affected with the Security/Privacy Issues? 38</p> <p><b>3 Application Areas for Multi-hop and Ad-Hoc Networking 42</b></p> <p>3.1. Telematics 42</p> <p>3.1.1. Introduction to Telematics Applications 42</p> <p>3.1.2. Ad-Hoc Enhanced Navigation Support 44</p> <p>3.1.3. Traffic Lights Assistance 52</p> <p>3.1.4. CB-Net Application 56</p> <p>3.1.5. City-Transportation Integrated Support 62</p> <p>3.2. E-Ticket Applications 67</p> <p>3.3. Telemedicine 69</p> <p>3.4. Environment Protection 71</p> <p>3.5. Public Safety 73</p> <p>3.5.1. Ad-Hoc Monitoring for Public Safety Applications 74</p> <p>3.5.2. Broadcasting Public Safety Information 81</p> <p>3.6. Groupware 84</p> <p>3.7. Personal, Targeted, Contextual Marketing and Shopping Guidance 85</p> <p>3.8. Intelligent Building 87</p> <p>3.8.1. “Intelligent Hospital” Idea 90</p> <p>3.8.2. “Interactive Museum” Idea 92</p> <p>3.8.3. Intelligent Ad-Hoc Cooperation at a Workplace 93</p> <p>3.9. Business Aspects of Multi-hop and Ad-Hoc Networking 94</p> <p>3.9.1. Monetary Unit for Ad-Hoc and Multi-hop Services 94</p> <p>3.9.2. Which Ad-Hoc and Multi-hop Functionality Should Be Paid For? 96</p> <p>3.9.3. Quality-of-Service and Trustability 97</p> <p>3.9.4. Pay-per-Access Mode and Subscriptions 98</p> <p>3.9.5. Legal Regulations 100</p> <p>3.9.6. Ad-Hoc and Multi-hop Networking versus Commercial Networks and Network Providers 100</p> <p>3.10. Summary 102</p> <p><b>4 Mesh Networking Using IEEE 802.11 Wireless Technologies 109</b></p> <p>4.1. IEEE 802.11 110</p> <p>4.1.1. WiFi and IEEE 802.11 Wireless LAN 111</p> <p>4.1.2. IEEE 802.11 Mesh Network Architectures 113</p> <p>4.2. IEEE 802.11s: Standard for WLAN Mesh Networking 116</p> <p>4.2.1. Additional Functions in 802.11s 120</p> <p>4.2.2. WiFi Certification and Deployments of IEEE 802.11s 120</p> <p>4.3. Summary 121</p> <p><b>5 Wireless Relay Networking Using IEEE 802.16 WiMAX Technologies 122</b></p> <p>5.1. IEEE 802.16 Overview and Architecture 122</p> <p>5.2. IEEE 802.16j Relay System Overview 123</p> <p>5.2.1. Nontransparent Relay versus Transparent Relay 124</p> <p>5.2.2. Connection Types 125</p> <p>5.2.3. MAC PDU Transmission Mode 126</p> <p>5.2.4. Relay MAC PDU 128</p> <p>5.2.5. Subheaders in Relay MAC PDU 131</p> <p>5.3. IEEE 802.16j Frame Structure 132</p> <p>5.3.1. Frame Structure in Nontransparent Mode 135</p> <p>5.3.2. Frame Structure in Transparent Mode 137</p> <p>5.4. Path Management in 802.16j Relay 139</p> <p>5.4.1. Explicit Path Management 140</p> <p>5.4.2. Implicit Path Management 142</p> <p>5.4.3. Contiguous Integer Block CID Assignment for Implicit Path Management 143</p> <p>5.4.4. Bit Partition CID Assignment for Implicit Path Management 144</p> <p>5.4.5. Path Selection and Metrics 146</p> <p>5.5. Radio Resource Management 147</p> <p>5.5.1. RRM with Distributed Scheduling 147</p> <p>5.5.2. Bandwidth Request Mechanism in WiMAX 147</p> <p>5.5.3. Downlink Flow Control 154</p> <p>5.5.4. RRM with Centralized Scheduling 156</p> <p>5.5.5. SS-Initiated Bandwidth Request in Centralized Scheduling 159</p> <p>5.6. Interference Management 163</p> <p>5.6.1. Interference Measurement 163</p> <p>5.6.2. RS Neighborhood Discovery and Measurements 167</p> <p>5.6.3. Relay Amble (R-Amble) Transmission 168</p> <p>5.7. Initialization and Network Entry 170</p> <p>5.7.1. Network Entry Overview 170</p> <p>5.7.2. Network Entry for Relay Station 172</p> <p>5.7.3. Fast Reentry 176</p> <p>5.7.4. Network Entry for Subscriber Station (Through RS) 177</p> <p>5.8. Mobility Management and Handoff 177</p> <p>5.8.1. Design Issues: Mobility Management in Multi-hop Relay Network 177</p> <p>5.8.2. Overview of Mobile Station Handoff Protocol Design in 802.16j 179</p> <p>5.8.3. Neighborhood Network Topology Advertisement 180</p> <p>5.8.4. Mobile Node Scanning 181</p> <p>5.8.5. Association 183</p> <p>5.8.6. Handoff Execution 185</p> <p>5.8.7. Handoff Optimization with Context Transfer 186</p> <p>5.8.8. Mobile Relay Station Handoff 187</p> <p>5.9. Power Management 189</p> <p>5.9.1. Sleep Mode 191</p> <p>5.9.2. Idle Mode 193</p> <p>5.10. HARQ and Reliable Transmission 195</p> <p>5.10.1. Design Issues: HARQ in Multi-hop Relay Network 195</p> <p>5.10.2. Overview of HARQ Design in 802.16j 196</p> <p>5.10.3. HARQ in Centralized Scheduling 197</p> <p>5.10.4. Downlink HARQ in Nontransparent Mode 198</p> <p>5.10.5. Downlink HARQ in Transparent Mode: Hop-by-Hop HARQ Operation 202</p> <p>5.10.6. Downlink HARQ in Transparent Mode: RS-assisted HARQ 204</p> <p>5.10.7. Uplink HARQ in Nontransparent Mode 207</p> <p>5.10.8. Uplink HARQ in Transparent Mode 209</p> <p>5.10.9. HARQ in Distributed Scheduling 211</p> <p>5.11. Multicast, Broadcast, and RS Grouping 211</p> <p>5.11.1. Multicast and Broadcast 211</p> <p>5.12. RS Grouping 215</p> <p>5.13. Summary 220</p> <p><b>6 Wireless Relay Networking with Long Term Evolution (LTE) 221</b></p> <p>6.1. Overview of the LTE Relay System 221</p> <p>6.1.1. LTE Relay Deployment Scenario 223</p> <p>6.1.2. Overview of Resource Partitioning in In-Band Relay 224</p> <p>6.2. Physical Layer for LTE Relay 226</p> <p>6.2.1. Physical Layer Channels 226</p> <p>6.2.2. Frame Structure in Physical Layer Channels 227</p> <p>6.3. LTE Relay System Architecture 228</p> <p>6.3.1. Protocol Stacks for Radio Interface 228</p> <p>6.3.2. S1 Interface 231</p> <p>6.3.3. RN Initialization and Startup Procedure 234</p> <p>6.4. LTE Relay System Design Issues 237</p> <p>6.4.1. Overview of Architecture and Design Issues 237</p> <p>6.4.2. Design Issue: Downlink Flow Control 238</p> <p>6.4.3. Design Issue: End-to-End QoS Confi guration 238</p> <p>6.4.4. Design Issue: Un Interface Confi guration 239</p> <p>6.4.5. Design Issue: Connection Establishment 240</p> <p>6.4.6. Design Issue: Radio Link Failure and Connection Reestablishment 240</p> <p>6.4.7. Design Issue: Other Design Options 241</p> <p>6.5. Future Development in LTE Relay 242</p> <p>6.5.1. Mobile Relay 242</p> <p>6.5.2. Advanced Link Transmission 242</p> <p>6.5.3. Other Deployment Scenarios and Architecture 243</p> <p>6.6. Summary 244</p> <p><b>7 Summary 245</b></p> <p>References 247</p> <p>Index 251</p>

<p><b>HUNG-YU WEI, PhD,</b> is Associate Professor in the Department of Electrical Engineering and Graduate Institute of Communication Engineering at National Taiwan University. He is an active participant in the IEEE 802.16 and 3GPP standardization.</p> <p><b>JAROGNIEW RYKOWSKI, PhD</b>, is an Associate Professor in the Department of Information Technology at Poznan University of Economics in Poland.</p> <p><b>SUDHIR DIXIT, PhD,</b> is the Director of Hewlett-Packard Laboratories India, an Adjunct Professor of Computer Science at the University of California, Davis (2009-2012), and a Docent in Broadband Mobile Communications for Emerging Economies at the University of Oulu in Finland. He is a Fellow of the IEEE, IET, and IETE.</p>

<p><b>What you need to know about one of the hottest and most promising technologies in wireless communications</b></p> <p>Owing to their ability to easily interconnect a wide range of devices, wireless mesh networks (WMNs) are attracting immense interest throughout the world. This book offers a clear, practical introduction to this rapidly growing field, providing engineers with the tools they need to start working on WiFi, WiMAX, or LTE multi-hop relay networks.</p> <p>The authors explain all technical concepts with a minimum of mathematics, incorporating numerous examples of user scenarios, deployable architectures, performance tips, and real-world implementations using readily available tools. The evolution of WMNs from IEEE wireless LAN to 4G radio technologies, various business aspects, and future directions are also explored. Coverage includes:</p> <ul> <li>Architectural requirements for multi-hop and ad-hoc networking, with topics ranging from anonymity to searching</li> <li>Key application areas in transportation, medicine, environmental protection, smart buildings, and more</li> <li>A review of the application of mesh concepts to IEEE 802.11 WiFi wireless LAN technology</li> <li>Mesh networking using IEEE 802.16 WiMAX radio access networks—presented here for the first time</li> <li>Mesh and relay networking in LTE and LTE-Advanced technologies, including system architecture and design issues</li> </ul> <p><i>WiFi, WiMAX, and LTE Multi-hop Mesh Networks</i> is the ideal guide for engineers and researchers wishing to quickly get up to speed on the latest advances in mesh networking.</p>

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