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Onboard monitoring and control - wireless sensor networks systems integration
| Onboard monitoring and control - wireless sensor networks systems integration |
| Pubbl/distr/stampa | Washington, DC : , : U.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development, and Technology, , July 2021 |
| Descrizione fisica | 1 online resource (ix, 63 pages) : color illustrations |
| Soggetto topico |
Electronics in transportation
Wireless sensor networks - United States Vehicular ad hoc networks (Computer networks) |
| Soggetto genere / forma | Technical reports. |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910716912103321 |
| Washington, DC : , : U.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development, and Technology, , July 2021 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
WiMAX security and quality of service : an end-to-end perspective / / edited by Seok-Yee Tang, Peter Mèuller, and Hamid R. Sharif
| WiMAX security and quality of service : an end-to-end perspective / / edited by Seok-Yee Tang, Peter Mèuller, and Hamid R. Sharif |
| Pubbl/distr/stampa | Chichester, West Sussex, U.K. ; , : Wiley, , c2010 |
| Descrizione fisica | 1 online resource (425 p.) |
| Disciplina | 621.382/1 |
| Altri autori (Persone) |
TangSeok-Yee <1968->
MüllerPeter <1961 July 8-> SharifHamid R <1958-> (Hamid Reza) |
| Soggetto topico |
Wireless metropolitan area networks - Security measures
IEEE 802.16 (Standard) |
| ISBN |
1-119-95620-X
1-282-69145-7 9786612691454 0-470-66574-2 0-470-66575-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
-- Preface xv -- Acknowledgement xix -- List of Contributors xxi -- List of Acronyms xxv -- List of Figures xxxv -- List of Tables xxxix -- Part A Introduction 1 -- 1 Overview of End-to-End WiMAX Network Architecture 3 / Dr Mohuya Chakraborty and Dr Debika Bhattacharyya -- 1.1 Introduction 3 -- 1.2 Wireless Primer 4 -- 1.2.1 Wireless Network Topologies 4 -- 1.2.2 Wireless Technologies 4 -- 1.2.3 Performance Parameters of Wireless Networks 5 -- 1.2.4 WiFi and WiMAX 6 -- 1.3 Introduction to WiMAX Technology 6 -- 1.3.1 Operational Principles 7 -- 1.3.2 WiMAX Speed and Range 8 -- 1.3.3 Spectrum 9 -- 1.3.4 Limitations 10 -- 1.3.5 Need for WiMAX 10 -- 1.4 Mobile WiMAX 10 -- 1.4.1 Overview of Mobile WiMAX 10 -- 1.4.2 Handover Process in Mobile WiMAX 11 -- 1.4.3 LTE vs. Mobile WiMAX 12 -- 1.5 Overview of End-to-End WiMAX Network Architecture 12 -- 1.6 Radio Interface Specifications for WiMAX 16 -- 1.6.1 Overview 16 -- 1.6.2 802.16e-2005 Technology 17 -- 1.6.3 Applications 19 -- 1.6.4 WiMAX Simulation Tools 19 -- 1.7 Interoperability Issues in WiMAX 19 -- 1.8 Summary 21 -- References 22 -- Part B Security 23 -- 2 WiMAX Security Defined in 802.16 Standards 25 / Slim Rekhis and Noureddine Boudriga -- 2.1 Introduction 25 -- 2.2 Overview of 802.16 WMAN Networks 26 -- 2.2.1 IEEE 802.16 Standards and Connectivity Modes 26 -- 2.2.2 Network Architecture 28 -- 2.2.3 Protocol Architecture 31 -- 2.2.4 Network Entry Procedure 32 -- 2.3 Security Requirements for Broadband Access in WMAN Networks 33 -- 2.4 Security Mechanisms in Initial 802.16 Networks 35 -- 2.4.1 Security Associations 35 -- 2.4.2 Use of Certificates 37 -- 2.4.3 PKM Protocol 38 -- 2.4.4 PKM Authorization 38 -- 2.4.5 Privacy and Key Management 41 -- 2.4.6 Data Encryption 42 -- 2.5 Analysis of Security Weaknesses in Initial Versions of 802.16 42 -- 2.5.1 Physical-Level Based Attacks 43 -- 2.5.2 Attacks on Authentication 44 -- 2.5.3 Attacks on Key Management 45 -- 2.5.4 Attacks on Privacy 47 -- 2.5.5 Attacks on Availability 47.
2.6 Security Amendments in Recent Versions if IEEE 802.16 48 -- 2.6.1 Authorization, Mutual Authentication and Access Control 48 -- 2.6.2 TEK Three-Way Handshake 50 -- 2.6.3 Encryption and Key Hierarchy 51 -- 2.6.4 Multicast and Broadcast Service (MBS) 52 -- 2.6.5 Security of Handover Schemes 53 -- 2.7 Analysis of Security Weaknesses in 802.16e 54 -- 2.7.1 Attacks on Authorization 54 -- 2.7.2 Analysis of SA-TEK Three-Way Handshake 56 -- 2.7.3 Vulnerability to Denial of Service Attacks 56 -- 2.7.4 Broadcasting and Multicasting Related Weaknesses 58 -- 2.7.5 Weaknesses in Handover Schemes 59 -- 2.8 Further Reading 59 -- 2.9 Summary 60 -- References 60 -- 3 Key Management in 802.16e 63 / Georgios Kambourakis and Stefanos Gritzalis -- 3.1 Introduction 63 -- 3.2 Privacy Key Management Protocol 64 -- 3.3 PKM Version 1 65 -- 3.4 PKM Version 2 67 -- 3.4.1 Security Negotiation 68 -- 3.4.2 Authentication/Authorization 68 -- 3.4.3 Key Derivation and Hierarchy 70 -- 3.4.4 Three-Way Handshake 72 -- 3.4.5 Key Delivery 74 -- 3.5 Vulnerabilities and Countermeasures 75 -- 3.5.1 Authorization 76 -- 3.5.2 Key Derivation 76 -- 3.5.3 Three-Way Handshake 77 -- 3.5.4 Key Delivery 77 -- 3.5.5 Attacks on Confidentiality 78 -- 3.5.6 MBS Attacks 79 -- 3.5.7 Mesh Mode Considerations 80 -- 3.5.8 Handovers 81 -- 3.6 Comparisons with 802.11/UMTS 81 -- 3.7 Summary 84 -- References 85 -- 4 WiMAX Network Security 87 / Luca Adamo, Romano Fantacci and Leonardo Maccari -- 4.1 Introduction 87 -- 4.2 WiMAX Network Reference Model 88 -- 4.2.1 Functional Entities 89 -- 4.2.2 Logical Domains 90 -- 4.2.3 Reference Points 90 -- 4.2.4 ASN Profiles 91 -- 4.3 The RADIUS Server 92 -- 4.3.1 Authentication in WiMAX Infrastructure 93 -- 4.4 WiMAX Networking Procedures and Security 95 -- 4.4.1 Handover Procedure 95 -- 4.4.2 DHCP 97 -- 4.4.3 Security Issues 98 -- 4.4.4 Mobile IP Protocol 99 -- 4.4.5 PMIP 100 -- 4.4.6 PMIP Security Considerations 101 -- 4.4.7 CMIP 102 -- 4.4.8 CMIP Security Considerations 103 -- 4.4.9 QoS 104. 4.4.10 A Complete Authentication Procedure 104 -- 4.5 Further Reading 105 -- 4.6 Summary 106 -- References 107 -- Part C Quality of Service 109 -- 5 Cross-Layer End-to-End QoS Architecture: The Milestone of WiMAX 111 / Floriano De Rango, Andrea Malfitano and Salvatore Marano -- 5.1 Introduction 111 -- 5.2 QoS Definitions 112 -- 5.3 QoS Mechanisms Offered by IEEE 802.16 112 -- 5.3.1 Cross-Layer QoS Architecture 113 -- 5.3.2 MAC Layer Point of View 115 -- 5.3.3 Offering QoS in PMP Mode 117 -- 5.3.4 QoS Introduction in Mesh Mode 121 -- 5.3.5 QoS Application on Packet by Packet Basis 123 -- 5.3.6 PHY Layer Point of View 124 -- 5.3.7 ACM: Adaptive Coding and Modulation 125 -- 5.3.8 Mobility Support in IEEE 802.16 126 -- 5.4 What is Missing in the WiMAX Features? 128 -- 5.4.1 Absences in the MAC Layer 128 -- 5.4.2 Scheduling Algorithm 129 -- 5.4.3 Call Admission Control Algorithm 132 -- 5.4.4 PHY Layer Improvements 133 -- 5.4.5 QoS Based ACM Algorithm 133 -- 5.5 Future Challenges 134 -- 5.5.1 End-to-End QoS in the IP World 134 -- 5.5.2 New Ways to Resolve the WiMAX QoS Problem: Two Interesting Examples 136 -- 5.5.3 Game Theory in the WiMAX Scenario 136 -- 5.5.4 Fuzzy Logic: What Idea to Guarantee QoS? 138 -- 5.5.5 Designing Mobility / Mesh WiMAX 140 -- 5.5.6 How to Extend QoS Mechanisms 140 -- 5.6 Summary 141 -- References 141 -- 6 QoS in Mobile WiMAX 145 / Neila Krichene and Noureddine Boudriga -- 6.1 Introduction 145 -- 6.2 Architectural QoS Requirements 146 -- 6.2.1 QoS-Related Challenges 146 -- 6.2.2 Architectural Requirements 148 -- 6.3 Mobile WiMAX Service Flows 149 -- 6.3.1 Service Flows 150 -- 6.3.2 Scheduling Services Supporting Service Flows 151 -- 6.3.3 QoS Parameters 153 -- 6.4 Admission Control 154 -- 6.4.1 MAC Layer Connections 154 -- 6.4.2 Bandwidth Request Procedures 156 -- 6.4.3 Bandwidth Allocation Procedures 158 -- 6.5 Scheduling Service 160 -- 6.5.1 Scheduling Architecture in Mobile WiMAX 160 -- 6.5.2 Packet Schedulers Overview 162 -- 6.6 Maintaining QoS During Handover 165. 6.6.1 WiMAX Handover Schemes 165 -- 6.6.2 Optimizing Handover to Maintain the Required QoS 168 -- 6.7 Enhancing WiMAX QoS Issues: Research Work 170 -- 6.7.1 New QoS Mechanisms 171 -- 6.7.2 The WEIRD Project 171 -- 6.7.3 WiFi and WiMAX QoS Integration 173 -- 6.8 Further Reading 175 -- 6.9 Summary 176 -- References 176 -- 7 Mobility Management in WiMAX Networks 179 / Ikbal Chammakhi Msadaa, Daniel Cˆamara and Fethi Filali -- 7.1 Mobile WiMAX Architecture 180 -- 7.2 Horizontal Handover in 802.16e 183 -- 7.2.1 Network Topology Acquisition 183 -- 7.2.2 Handover Process 186 -- 7.2.3 Fast BS Switching (FBSS) and Macro Diversity Handover (MDHO) 187 / / Discussion 188 -- 7.3 Optimized 802.16e Handover Schemes 188 -- 7.3.1 L2 Handover Schemes 190 -- 7.3.2 L2-L3 Cross-Layer Handover Schemes 190 -- 7.3.3 Mobile IPv6 Fast Handovers Over IEEE 802.16e Networks 191 -- Discussion 195 -- 7.4 Vertical Handover 195 -- 7.4.1 Vertical Handover Mechanisms Involving 802.16e Networks 196 -- 7.4.2 IEEE 802.21, Media-Independent Handover Services 197 -- Discussion 200 -- 7.5 Roaming 200 -- 7.5.1 WiMAX Roaming Interface 203 -- 7.5.2 The Roaming Process 203 -- 7.6 Mobility Management in WiMESH Networks 204 -- 7.7 Conclusion 207 -- 7.8 Summary 207 -- References 208 -- Part D Advanced Topics 211 -- 8 QoS Challenges in the Handover Process 213 / Marina Aguado, Eduardo Jacob, Marion Berbineau and Ivan Lledo Samper -- 8.1 Introduction 213 -- 8.2 Handover in WiMAX 214 -- 8.3 The IEEE802.16 Handover Process 215 -- 8.3.1 The Network Entry Procedure 215 -- 8.3.2 Network Topology Advertising and Acquisition 218 -- 8.3.3 The Association Procedure 220 -- 8.3.4 Handover Stages in the IEEE 802.16 Standard 221 -- 8.3.5 Handover Execution Methods 225 -- 8.4 The Media Independent Handover Initiative / IEEE 802.21 227 -- 8.4.1 MIH Interactions with Layer 2 and Layer 3 Protocols 229 -- 8.4.2 MIH Scope and Limitations 229 -- 8.5 Enhancing the Handover Process 230 -- 8.5.1 Fast Ranging Mechanism 230 -- 8.5.2 Seamless Handover Mechanism 231. 8.5.3 Initiatives in the Cell Reselection Stage 232 -- 8.5.4 Initiatives in the Execution Stage 232 -- 8.6 Handover Scheduling 233 -- 8.7 Handover Performance Analysis 234 -- 8.8 Summary 238 -- References 238 -- 9 Resource Allocation in Mobile WiMAX Networks 241 / Tara Ali Yahiya -- 9.1 Introduction 241 -- 9.2 Background on IEEE 802.16e 242 -- 9.2.1 The Medium Access Control Layer / MAC 242 -- 9.2.2 The Physical Layer / PHY 243 -- 9.3 System Model 248 -- 9.4 OFDMA Key Principles / Analysis and Performance Characterizations 249 -- 9.4.1 Multiuser Diversity 249 -- 9.4.2 Adaptive Modulation and Coding / Burst Profiles 250 -- 9.4.3 Capacity Analysis / Time and Frequency Domain 250 -- 9.4.4 Mapping Messages 252 -- 9.5 Cross-Layer Resource Allocation in Mobile WiMAX 252 -- 9.6 Channel Aware Class Based Queue (CACBQ) / The Proposed Solution 253 -- 9.6.1 System Model 253 -- 9.6.2 Channel Aware Class Based Queue (CACBQ) Framework 255 -- 9.7 Summary and Conclusion 257 -- References 258 -- 10 QoS Issues and Challenges in WiMAX and WiMAX MMR Networks 261 / Kiran Kumari, Srinath Narasimha and Krishna M. Sivalingam -- 10.1 Introduction 261 -- 10.1.1 Motivation 262 -- 10.2 Multimedia Traffic 263 -- 10.2.1 Voice Codecs 264 -- 10.2.2 Video Codecs 265 -- 10.2.3 QoS Specifications 267 -- 10.2.4 QoS Effectiveness Measures 268 -- 10.3 Multimedia: WiFi versus WiMAX 269 -- 10.3.1 Limitations of Wireless LAN Technologies 269 -- 10.3.2 WiMAX MAC Layer 270 -- 10.3.3 QoS Architecture for WiMAX 272 -- 10.4 QoS Scheduling in WiMAX Networks 273 -- 10.4.1 Max-Min Weighted Fair Allocation 274 -- 10.4.2 Deficit Fair Priority Queue 274 -- 10.4.3 Weighted Fair Queuing 275 -- 10.4.4 Weighted Fair Priority Queuing 275 -- 10.5 Voice Traffic Scheduling in WiMAX 276 -- 10.5.1 Lee's Algorithm 276 -- 10.5.2 UGS with Activity Detection Scheduling (UGS-AD) 277 -- 10.5.3 Extended-rtPS Scheduling 277 -- 10.5.4 Multi-Tap Scheduling 278 -- 10.6 Video Traffic Scheduling in WiMAX 279 -- 10.6.1 Opportunistic Scheduling 279. 10.6.2 Opportunistic DRR 281 -- 10.6.3 Summary 282 -- 10.7 Introduction to WiMAX MMR Networks 282 -- 10.7.1 How WiMAX MMR Networks Work 284 -- 10.7.2 Performance Impact 286 -- 10.7.3 Radio Resource Management Strategies 287 -- 10.8 Scheduling in WiMAX MMR Networks 288 -- 10.8.1 Objectives of Scheduling 288 -- 10.8.2 Constraints on Scheduling 289 -- 10.8.3 Diversity Gains 290 -- 10.9 Basic Wireless Scheduling Algorithms 290 -- 10.9.1 Round Robin Scheduling 290 -- 10.9.2 Max-SINR Scheduling 291 -- 10.9.3 Extension for Multi-Hop Case 291 -- 10.9.4 Proportional Fair Scheduling 292 -- 10.9.5 Extension for Multi-Hop Case 292 -- 10.9.6 Performance Comparison 293 -- 10.9.7 The PFMR Scheduling Algorithm 293 -- 10.10 Scheduling Algorithms for WiMAX MMR Networks 294 -- 10.10.1 The Scheduling Problem 294 -- 10.10.2 The GenArgMax Scheduling Algorithm 295 -- 10.10.3 The TreeTraversingScheduler Algorithm 297 -- 10.10.4 The FastHeuristic16j Scheduling Algorithm 299 -- 10.10.5 Improved Hop-Specific Scheduling Algorithms 300 -- 10.10.6 Performance Evaluation 302 -- 10.11 Further Reading 304 -- 10.12 Summary 305 -- References 305 -- 11 On the Integration of WiFi and WiMAX Networks 309 / Tara Ali Yahiya and Hakima Chaouchi -- 11.1 Introduction 309 -- 11.2 General Design Principles of the Interworking Architecture 310 -- 11.2.1 Functional Decomposition 310 -- 11.2.2 Deployment Modularity and Flexibility 310 -- 11.2.3 Support for Variety of Usage Models 311 -- 11.2.4 Extensive use of IETF Protocols 311 -- 11.3 WiFi/Mobile WiMAX Interworking Architecture 311 -- 11.4 Network Discovery and Selection 313 -- 11.5 Authentication and Security Architecture 314 -- 11.5.1 General Network Access Control Architecture 314 -- 11.5.2 EAP and PANA 316 -- 11.5.3 RADIUS and Diameter 317 -- 11.6 Security in WiFi and WiMAX Networks 318 -- 11.6.1 Security in WiFi 318 -- 11.6.2 Security in WiMAX 319 -- 11.6.3 Security Consideration in WiFi-WiMAX 320 -- 11.6.4 WiFi-WiMAX Interworking Scenarios 321 -- 11.7 Mobility Management 324. 11.7.1 Handover Support 325 -- 11.7.2 Cell Selection 325 -- 11.7.3 IP for Mobility Management 326 -- 11.7.4 Session Initiation Protocol for Mobility Management 326 -- 11.7.5 Identity Based Mobility 328 -- 11.8 Quality of Service Architecture 330 -- 11.8.1 End-to-End QoS Interworking Framework 330 -- 11.8.2 QoS Considerations 332 -- 11.9 Summary 335 -- References 335 -- 12 QoS Simulation and An Enhanced Solution of Cell Selection for WiMAX Network 337 / Xinbing Wang, Shen Gu, Yuan Wu and Jiajing Wang -- 12.1 Introduction 337 -- 12.2 WiMAX Simulation Tools / Overview 338 -- 12.2.1 NS2 338 -- 12.2.2 OPNet Modeler 338 -- 12.2.3 QualNet 339 -- 12.3 QoS Simulation of WiMAX Network 339 -- 12.3.1 Performance Comparison Between Different Services 339 -- 12.3.2 Mobility Support 344 -- 12.4 Analysis of QoS Simulation Results 353 -- 12.4.1 Fixed SSs 353 -- 12.4.2 Mobile SSs with Same Speed 356 -- 12.4.3 Mobile SSs with Varying Speed 356 -- 12.5 Enhancement / A New Solution of Cell Selection 356 -- 12.5.1 System Model 356 -- 12.5.2 Simulation Result 360 -- 12.6 Summary 363 -- References 363 -- Appendix List of Standards 365 -- Index 371. |
| Record Nr. | UNINA-9910139188303321 |
| Chichester, West Sussex, U.K. ; , : Wiley, , c2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
WiMAX security and quality of service : an end-to-end perspective / / edited by Seok-Yee Tang, Peter Muller, and Hamid Sharif
| WiMAX security and quality of service : an end-to-end perspective / / edited by Seok-Yee Tang, Peter Muller, and Hamid Sharif |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Chichester, West Sussex, U.K. ; ; Hoboken, NJ, : Wiley, c2010 |
| Descrizione fisica | 1 online resource (425 p.) |
| Disciplina | 621.382/1 |
| Altri autori (Persone) |
TangSeok-Yee <1968->
MullerPeter <1961 July 8-> SharifHamid R <1958-> (Hamid Reza) |
| Soggetto topico |
Wireless metropolitan area networks - Security measures
IEEE 802.16 (Standard) |
| ISBN |
1-119-95620-X
1-282-69145-7 9786612691454 0-470-66574-2 0-470-66575-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
-- Preface xv -- Acknowledgement xix -- List of Contributors xxi -- List of Acronyms xxv -- List of Figures xxxv -- List of Tables xxxix -- Part A Introduction 1 -- 1 Overview of End-to-End WiMAX Network Architecture 3 / Dr Mohuya Chakraborty and Dr Debika Bhattacharyya -- 1.1 Introduction 3 -- 1.2 Wireless Primer 4 -- 1.2.1 Wireless Network Topologies 4 -- 1.2.2 Wireless Technologies 4 -- 1.2.3 Performance Parameters of Wireless Networks 5 -- 1.2.4 WiFi and WiMAX 6 -- 1.3 Introduction to WiMAX Technology 6 -- 1.3.1 Operational Principles 7 -- 1.3.2 WiMAX Speed and Range 8 -- 1.3.3 Spectrum 9 -- 1.3.4 Limitations 10 -- 1.3.5 Need for WiMAX 10 -- 1.4 Mobile WiMAX 10 -- 1.4.1 Overview of Mobile WiMAX 10 -- 1.4.2 Handover Process in Mobile WiMAX 11 -- 1.4.3 LTE vs. Mobile WiMAX 12 -- 1.5 Overview of End-to-End WiMAX Network Architecture 12 -- 1.6 Radio Interface Specifications for WiMAX 16 -- 1.6.1 Overview 16 -- 1.6.2 802.16e-2005 Technology 17 -- 1.6.3 Applications 19 -- 1.6.4 WiMAX Simulation Tools 19 -- 1.7 Interoperability Issues in WiMAX 19 -- 1.8 Summary 21 -- References 22 -- Part B Security 23 -- 2 WiMAX Security Defined in 802.16 Standards 25 / Slim Rekhis and Noureddine Boudriga -- 2.1 Introduction 25 -- 2.2 Overview of 802.16 WMAN Networks 26 -- 2.2.1 IEEE 802.16 Standards and Connectivity Modes 26 -- 2.2.2 Network Architecture 28 -- 2.2.3 Protocol Architecture 31 -- 2.2.4 Network Entry Procedure 32 -- 2.3 Security Requirements for Broadband Access in WMAN Networks 33 -- 2.4 Security Mechanisms in Initial 802.16 Networks 35 -- 2.4.1 Security Associations 35 -- 2.4.2 Use of Certificates 37 -- 2.4.3 PKM Protocol 38 -- 2.4.4 PKM Authorization 38 -- 2.4.5 Privacy and Key Management 41 -- 2.4.6 Data Encryption 42 -- 2.5 Analysis of Security Weaknesses in Initial Versions of 802.16 42 -- 2.5.1 Physical-Level Based Attacks 43 -- 2.5.2 Attacks on Authentication 44 -- 2.5.3 Attacks on Key Management 45 -- 2.5.4 Attacks on Privacy 47 -- 2.5.5 Attacks on Availability 47.
2.6 Security Amendments in Recent Versions if IEEE 802.16 48 -- 2.6.1 Authorization, Mutual Authentication and Access Control 48 -- 2.6.2 TEK Three-Way Handshake 50 -- 2.6.3 Encryption and Key Hierarchy 51 -- 2.6.4 Multicast and Broadcast Service (MBS) 52 -- 2.6.5 Security of Handover Schemes 53 -- 2.7 Analysis of Security Weaknesses in 802.16e 54 -- 2.7.1 Attacks on Authorization 54 -- 2.7.2 Analysis of SA-TEK Three-Way Handshake 56 -- 2.7.3 Vulnerability to Denial of Service Attacks 56 -- 2.7.4 Broadcasting and Multicasting Related Weaknesses 58 -- 2.7.5 Weaknesses in Handover Schemes 59 -- 2.8 Further Reading 59 -- 2.9 Summary 60 -- References 60 -- 3 Key Management in 802.16e 63 / Georgios Kambourakis and Stefanos Gritzalis -- 3.1 Introduction 63 -- 3.2 Privacy Key Management Protocol 64 -- 3.3 PKM Version 1 65 -- 3.4 PKM Version 2 67 -- 3.4.1 Security Negotiation 68 -- 3.4.2 Authentication/Authorization 68 -- 3.4.3 Key Derivation and Hierarchy 70 -- 3.4.4 Three-Way Handshake 72 -- 3.4.5 Key Delivery 74 -- 3.5 Vulnerabilities and Countermeasures 75 -- 3.5.1 Authorization 76 -- 3.5.2 Key Derivation 76 -- 3.5.3 Three-Way Handshake 77 -- 3.5.4 Key Delivery 77 -- 3.5.5 Attacks on Confidentiality 78 -- 3.5.6 MBS Attacks 79 -- 3.5.7 Mesh Mode Considerations 80 -- 3.5.8 Handovers 81 -- 3.6 Comparisons with 802.11/UMTS 81 -- 3.7 Summary 84 -- References 85 -- 4 WiMAX Network Security 87 / Luca Adamo, Romano Fantacci and Leonardo Maccari -- 4.1 Introduction 87 -- 4.2 WiMAX Network Reference Model 88 -- 4.2.1 Functional Entities 89 -- 4.2.2 Logical Domains 90 -- 4.2.3 Reference Points 90 -- 4.2.4 ASN Profiles 91 -- 4.3 The RADIUS Server 92 -- 4.3.1 Authentication in WiMAX Infrastructure 93 -- 4.4 WiMAX Networking Procedures and Security 95 -- 4.4.1 Handover Procedure 95 -- 4.4.2 DHCP 97 -- 4.4.3 Security Issues 98 -- 4.4.4 Mobile IP Protocol 99 -- 4.4.5 PMIP 100 -- 4.4.6 PMIP Security Considerations 101 -- 4.4.7 CMIP 102 -- 4.4.8 CMIP Security Considerations 103 -- 4.4.9 QoS 104. 4.4.10 A Complete Authentication Procedure 104 -- 4.5 Further Reading 105 -- 4.6 Summary 106 -- References 107 -- Part C Quality of Service 109 -- 5 Cross-Layer End-to-End QoS Architecture: The Milestone of WiMAX 111 / Floriano De Rango, Andrea Malfitano and Salvatore Marano -- 5.1 Introduction 111 -- 5.2 QoS Definitions 112 -- 5.3 QoS Mechanisms Offered by IEEE 802.16 112 -- 5.3.1 Cross-Layer QoS Architecture 113 -- 5.3.2 MAC Layer Point of View 115 -- 5.3.3 Offering QoS in PMP Mode 117 -- 5.3.4 QoS Introduction in Mesh Mode 121 -- 5.3.5 QoS Application on Packet by Packet Basis 123 -- 5.3.6 PHY Layer Point of View 124 -- 5.3.7 ACM: Adaptive Coding and Modulation 125 -- 5.3.8 Mobility Support in IEEE 802.16 126 -- 5.4 What is Missing in the WiMAX Features? 128 -- 5.4.1 Absences in the MAC Layer 128 -- 5.4.2 Scheduling Algorithm 129 -- 5.4.3 Call Admission Control Algorithm 132 -- 5.4.4 PHY Layer Improvements 133 -- 5.4.5 QoS Based ACM Algorithm 133 -- 5.5 Future Challenges 134 -- 5.5.1 End-to-End QoS in the IP World 134 -- 5.5.2 New Ways to Resolve the WiMAX QoS Problem: Two Interesting Examples 136 -- 5.5.3 Game Theory in the WiMAX Scenario 136 -- 5.5.4 Fuzzy Logic: What Idea to Guarantee QoS? 138 -- 5.5.5 Designing Mobility / Mesh WiMAX 140 -- 5.5.6 How to Extend QoS Mechanisms 140 -- 5.6 Summary 141 -- References 141 -- 6 QoS in Mobile WiMAX 145 / Neila Krichene and Noureddine Boudriga -- 6.1 Introduction 145 -- 6.2 Architectural QoS Requirements 146 -- 6.2.1 QoS-Related Challenges 146 -- 6.2.2 Architectural Requirements 148 -- 6.3 Mobile WiMAX Service Flows 149 -- 6.3.1 Service Flows 150 -- 6.3.2 Scheduling Services Supporting Service Flows 151 -- 6.3.3 QoS Parameters 153 -- 6.4 Admission Control 154 -- 6.4.1 MAC Layer Connections 154 -- 6.4.2 Bandwidth Request Procedures 156 -- 6.4.3 Bandwidth Allocation Procedures 158 -- 6.5 Scheduling Service 160 -- 6.5.1 Scheduling Architecture in Mobile WiMAX 160 -- 6.5.2 Packet Schedulers Overview 162 -- 6.6 Maintaining QoS During Handover 165. 6.6.1 WiMAX Handover Schemes 165 -- 6.6.2 Optimizing Handover to Maintain the Required QoS 168 -- 6.7 Enhancing WiMAX QoS Issues: Research Work 170 -- 6.7.1 New QoS Mechanisms 171 -- 6.7.2 The WEIRD Project 171 -- 6.7.3 WiFi and WiMAX QoS Integration 173 -- 6.8 Further Reading 175 -- 6.9 Summary 176 -- References 176 -- 7 Mobility Management in WiMAX Networks 179 / Ikbal Chammakhi Msadaa, Daniel Cˆamara and Fethi Filali -- 7.1 Mobile WiMAX Architecture 180 -- 7.2 Horizontal Handover in 802.16e 183 -- 7.2.1 Network Topology Acquisition 183 -- 7.2.2 Handover Process 186 -- 7.2.3 Fast BS Switching (FBSS) and Macro Diversity Handover (MDHO) 187 / / Discussion 188 -- 7.3 Optimized 802.16e Handover Schemes 188 -- 7.3.1 L2 Handover Schemes 190 -- 7.3.2 L2-L3 Cross-Layer Handover Schemes 190 -- 7.3.3 Mobile IPv6 Fast Handovers Over IEEE 802.16e Networks 191 -- Discussion 195 -- 7.4 Vertical Handover 195 -- 7.4.1 Vertical Handover Mechanisms Involving 802.16e Networks 196 -- 7.4.2 IEEE 802.21, Media-Independent Handover Services 197 -- Discussion 200 -- 7.5 Roaming 200 -- 7.5.1 WiMAX Roaming Interface 203 -- 7.5.2 The Roaming Process 203 -- 7.6 Mobility Management in WiMESH Networks 204 -- 7.7 Conclusion 207 -- 7.8 Summary 207 -- References 208 -- Part D Advanced Topics 211 -- 8 QoS Challenges in the Handover Process 213 / Marina Aguado, Eduardo Jacob, Marion Berbineau and Ivan Lledo Samper -- 8.1 Introduction 213 -- 8.2 Handover in WiMAX 214 -- 8.3 The IEEE802.16 Handover Process 215 -- 8.3.1 The Network Entry Procedure 215 -- 8.3.2 Network Topology Advertising and Acquisition 218 -- 8.3.3 The Association Procedure 220 -- 8.3.4 Handover Stages in the IEEE 802.16 Standard 221 -- 8.3.5 Handover Execution Methods 225 -- 8.4 The Media Independent Handover Initiative / IEEE 802.21 227 -- 8.4.1 MIH Interactions with Layer 2 and Layer 3 Protocols 229 -- 8.4.2 MIH Scope and Limitations 229 -- 8.5 Enhancing the Handover Process 230 -- 8.5.1 Fast Ranging Mechanism 230 -- 8.5.2 Seamless Handover Mechanism 231. 8.5.3 Initiatives in the Cell Reselection Stage 232 -- 8.5.4 Initiatives in the Execution Stage 232 -- 8.6 Handover Scheduling 233 -- 8.7 Handover Performance Analysis 234 -- 8.8 Summary 238 -- References 238 -- 9 Resource Allocation in Mobile WiMAX Networks 241 / Tara Ali Yahiya -- 9.1 Introduction 241 -- 9.2 Background on IEEE 802.16e 242 -- 9.2.1 The Medium Access Control Layer / MAC 242 -- 9.2.2 The Physical Layer / PHY 243 -- 9.3 System Model 248 -- 9.4 OFDMA Key Principles / Analysis and Performance Characterizations 249 -- 9.4.1 Multiuser Diversity 249 -- 9.4.2 Adaptive Modulation and Coding / Burst Profiles 250 -- 9.4.3 Capacity Analysis / Time and Frequency Domain 250 -- 9.4.4 Mapping Messages 252 -- 9.5 Cross-Layer Resource Allocation in Mobile WiMAX 252 -- 9.6 Channel Aware Class Based Queue (CACBQ) / The Proposed Solution 253 -- 9.6.1 System Model 253 -- 9.6.2 Channel Aware Class Based Queue (CACBQ) Framework 255 -- 9.7 Summary and Conclusion 257 -- References 258 -- 10 QoS Issues and Challenges in WiMAX and WiMAX MMR Networks 261 / Kiran Kumari, Srinath Narasimha and Krishna M. Sivalingam -- 10.1 Introduction 261 -- 10.1.1 Motivation 262 -- 10.2 Multimedia Traffic 263 -- 10.2.1 Voice Codecs 264 -- 10.2.2 Video Codecs 265 -- 10.2.3 QoS Specifications 267 -- 10.2.4 QoS Effectiveness Measures 268 -- 10.3 Multimedia: WiFi versus WiMAX 269 -- 10.3.1 Limitations of Wireless LAN Technologies 269 -- 10.3.2 WiMAX MAC Layer 270 -- 10.3.3 QoS Architecture for WiMAX 272 -- 10.4 QoS Scheduling in WiMAX Networks 273 -- 10.4.1 Max-Min Weighted Fair Allocation 274 -- 10.4.2 Deficit Fair Priority Queue 274 -- 10.4.3 Weighted Fair Queuing 275 -- 10.4.4 Weighted Fair Priority Queuing 275 -- 10.5 Voice Traffic Scheduling in WiMAX 276 -- 10.5.1 Lee's Algorithm 276 -- 10.5.2 UGS with Activity Detection Scheduling (UGS-AD) 277 -- 10.5.3 Extended-rtPS Scheduling 277 -- 10.5.4 Multi-Tap Scheduling 278 -- 10.6 Video Traffic Scheduling in WiMAX 279 -- 10.6.1 Opportunistic Scheduling 279. 10.6.2 Opportunistic DRR 281 -- 10.6.3 Summary 282 -- 10.7 Introduction to WiMAX MMR Networks 282 -- 10.7.1 How WiMAX MMR Networks Work 284 -- 10.7.2 Performance Impact 286 -- 10.7.3 Radio Resource Management Strategies 287 -- 10.8 Scheduling in WiMAX MMR Networks 288 -- 10.8.1 Objectives of Scheduling 288 -- 10.8.2 Constraints on Scheduling 289 -- 10.8.3 Diversity Gains 290 -- 10.9 Basic Wireless Scheduling Algorithms 290 -- 10.9.1 Round Robin Scheduling 290 -- 10.9.2 Max-SINR Scheduling 291 -- 10.9.3 Extension for Multi-Hop Case 291 -- 10.9.4 Proportional Fair Scheduling 292 -- 10.9.5 Extension for Multi-Hop Case 292 -- 10.9.6 Performance Comparison 293 -- 10.9.7 The PFMR Scheduling Algorithm 293 -- 10.10 Scheduling Algorithms for WiMAX MMR Networks 294 -- 10.10.1 The Scheduling Problem 294 -- 10.10.2 The GenArgMax Scheduling Algorithm 295 -- 10.10.3 The TreeTraversingScheduler Algorithm 297 -- 10.10.4 The FastHeuristic16j Scheduling Algorithm 299 -- 10.10.5 Improved Hop-Specific Scheduling Algorithms 300 -- 10.10.6 Performance Evaluation 302 -- 10.11 Further Reading 304 -- 10.12 Summary 305 -- References 305 -- 11 On the Integration of WiFi and WiMAX Networks 309 / Tara Ali Yahiya and Hakima Chaouchi -- 11.1 Introduction 309 -- 11.2 General Design Principles of the Interworking Architecture 310 -- 11.2.1 Functional Decomposition 310 -- 11.2.2 Deployment Modularity and Flexibility 310 -- 11.2.3 Support for Variety of Usage Models 311 -- 11.2.4 Extensive use of IETF Protocols 311 -- 11.3 WiFi/Mobile WiMAX Interworking Architecture 311 -- 11.4 Network Discovery and Selection 313 -- 11.5 Authentication and Security Architecture 314 -- 11.5.1 General Network Access Control Architecture 314 -- 11.5.2 EAP and PANA 316 -- 11.5.3 RADIUS and Diameter 317 -- 11.6 Security in WiFi and WiMAX Networks 318 -- 11.6.1 Security in WiFi 318 -- 11.6.2 Security in WiMAX 319 -- 11.6.3 Security Consideration in WiFi-WiMAX 320 -- 11.6.4 WiFi-WiMAX Interworking Scenarios 321 -- 11.7 Mobility Management 324. 11.7.1 Handover Support 325 -- 11.7.2 Cell Selection 325 -- 11.7.3 IP for Mobility Management 326 -- 11.7.4 Session Initiation Protocol for Mobility Management 326 -- 11.7.5 Identity Based Mobility 328 -- 11.8 Quality of Service Architecture 330 -- 11.8.1 End-to-End QoS Interworking Framework 330 -- 11.8.2 QoS Considerations 332 -- 11.9 Summary 335 -- References 335 -- 12 QoS Simulation and An Enhanced Solution of Cell Selection for WiMAX Network 337 / Xinbing Wang, Shen Gu, Yuan Wu and Jiajing Wang -- 12.1 Introduction 337 -- 12.2 WiMAX Simulation Tools / Overview 338 -- 12.2.1 NS2 338 -- 12.2.2 OPNet Modeler 338 -- 12.2.3 QualNet 339 -- 12.3 QoS Simulation of WiMAX Network 339 -- 12.3.1 Performance Comparison Between Different Services 339 -- 12.3.2 Mobility Support 344 -- 12.4 Analysis of QoS Simulation Results 353 -- 12.4.1 Fixed SSs 353 -- 12.4.2 Mobile SSs with Same Speed 356 -- 12.4.3 Mobile SSs with Varying Speed 356 -- 12.5 Enhancement / A New Solution of Cell Selection 356 -- 12.5.1 System Model 356 -- 12.5.2 Simulation Result 360 -- 12.6 Summary 363 -- References 363 -- Appendix List of Standards 365 -- Index 371. |
| Record Nr. | UNINA-9910816251003321 |
| Chichester, West Sussex, U.K. ; ; Hoboken, NJ, : Wiley, c2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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