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Cognitive radio and dynamic spectrum access / / Lars Berlemann and Stefan Mangold
Cognitive radio and dynamic spectrum access / / Lars Berlemann and Stefan Mangold
Autore Berlemann Lars
Pubbl/distr/stampa Hoboken, New Jersey : , : J. Wiley & Sons, , 2009
Descrizione fisica 1 online resource (266 p.)
Disciplina 621.384
Altri autori (Persone) MangoldStefan
Soggetto topico Cognitive radio networks
Radio frequency allocation
Software radio
ISBN 1-282-68377-2
9786612683770
0-470-75442-7
0-470-75443-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto List of Figures -- List of Tables -- About The Authors -- Foreword -- Acknowledgement -- Preface -- Abbreviations -- 1. INTRODUCTION -- 1.1 Access to radio spectrum -- 1.2 Artificial spectrum scarcity from unexploited frequencies -- 1.3 Cognitive radio and dynamic spectrum access as solution -- 1.4 This book 28 -- 2. RADIO SPECTRUM TODAY - REGULATION AND SPECTRUM USAGE -- 2.1 History and terminology -- 2.1.1 The four basic approaches for radio spectrum regulation -- 2.1.2 Guiding principles -- 2.2 Institutions that regulate radio spectrum -- 2.2.1 International Telecommunication Union, ITU -- 2.2.2 Europe -- 2.2.3 Germany -- 2.2.4 United Kingdom -- 2.2.5 Japan -- 2.2.6 P.R. China -- 2.2.7 United States of America -- 2.3 Licensed and unlicensed spectrum -- 2.3.1 The disadvantages of spectrum licensing -- 2.3.2 Unlicensed spectrum as alternative -- 2.3.3 Tragedy of commons in unlicensed spectrum -- 2.3.4 Spectrum measurements -- 3. RADIO SPECTRUM TOMORROW ? DYNAMIC SPECTRUM ACCESS & SPECTRUM SHARING -- 3.1 Spectrum sharing and dynamic spectrum access: concepts and terminology -- 3.1.1 Spectrum trading and spectrum liberalization -- 3.1.2 Underlay and overlay spectrum sharing -- 3.1.3 Vertical and horizontal spectrum sharing -- 3.1.4 Coexistence, coordination and cooperation -- 3.2 Horizontal spectrum sharing -- 3.2.1 Coexistence -- 3.2.2 Centralized spectrum coordination for horizontal sharing -- 3.2.3 Spectrum sharing games -- 3.3 Vertical spectrum sharing -- 3.3.1 Re-use of TV bands for vertical spectrum sharing -- 3.3.2 Spectrum pooling and a common control for vertical spectrum sharing -- 3.3.3 Operator-assistance in vertical spectrum sharing -- 3.3.4 Spectrum load smoothing for vertical spectrum sharing -- 3.4 Taxonomy for spectrum sharing -- 4. TOWARDS COGNITIVE RADIO - RESEARCH AND STANDARDIZATION -- 4.1 Research programs and projects -- 4.1.1 DARPA Next Generation Communications Program, XG -- 4.1.2 National Science Foundation's project GENI -- 4.1.3 European project E3.
4.1.4 European project WINNER+ -- 4.1.5 European project WIP -- 4.1.6 European project SOCRATES -- 4.1.7 European project ROCKET -- 4.1.8 European project ORACLE -- 4.2 IEEE coordination, and the Coexistence Advisory Group IEEE 802.19 -- 4.3 IEEE SCC41/P1900 -- 4.3.1 IEEE P1900.1 -- 4.3.2 IEEE P1900.2 -- 4.3.3 IEEE P1900.3 -- 4.3.4 IEEE P1900.4 -- 4.3.5 IEEE P1900.5 -- 4.4 Wi-Fi Wireless Local Area Networks IEEE 802.11 -- 4.4.1 IEEE 802.11k for radio resource measurements -- 4.4.2 IEEE 802.11n for high throughput -- 4.4.3 IEEE 802.11s for mesh networks -- 4.4.4 IEEE 802.11y for high power Wi-Fi -- 4.5 WiMAX Wirless Metropolitan Area Networks IEEE 802.16 -- 4.5.1 IEEE 802.16.2 Coexistence -- 4.5.2 IEEE 802.16h license exempt -- 4.5.3 IEEE 802.22 for wireless rural area networks -- 4.6 Other standardization activities -- 4.6.1 White Spaces Coalition & Wireless Innovation Alliance -- 4.6.2 The New America Foundation and open spectrum -- 4.6.3 SDR Forum -- 4.6.4 Third Generation Partnership Project 3GPP -- 4.6.5 European Telecommunications Standards Institute ETSI -- 4.6.6 Academic research conferences and workshops -- 5. PROPOSED ENABLERS FOR REALIZING HORIZONTAL SPECTRUM SHARING -- 5.1 IEEE 802.11 in unlicensed spectrum -- 5.1.1 Overview -- 5.1.2 Physical layer -- 5.1.3 Medium access control -- 5.1.4 Learning from 802.11 -- 5.2 IEEE 802.16 in unlicensed spectrum -- 5.2.1 Coexistence scenario -- 5.2.2 Protecting the beginning of 802.16 MAC frame -- 5.2.3 Protecting the 802.16 UL subframe -- 5.2.4 Shifting the contention slots -- 5.2.5 Quality-of-service, efficiency, and fairness -- 5.3 Policies in spectrum usage -- 5.3.1 Policy framework -- 5.3.2 Spectrum navigation -- 5.3.3 Reasoning based spectrum navigation -- 5.4 Policy language -- 5.5 Spectrum sharing games -- 5.5.1 Related work -- 5.5.2 802.11e coexistence scenario -- 5.5.3 Game overview -- 5.5.4 Single stage game for frame based interaction -- 5.5.5 Quality-of-service as utility -- 5.5.6 Analytic game model -- 5.5.7 Behavior.
5.5.8 Equilibrium analysis -- 5.5.9 Multi stage game model -- 5.5.10 Discounting of future payoffs -- 5.5.11 Strategies -- 5.5.12 Nash equilibrium in multi stage games -- 5.5.13 QoS evaluation of strategies -- 5.5.14 Game approach as policy -- 5.5.15 Learning from spectrum sharing games -- 6. PROPOSED ENABLERS FOR REALIZING VERTICAL SPECTRUM SHARING -- 6.1 Frequency division duplex for Wi-Fi: FDD WLANs -- 6.2 Operator assisted cognitive radio with beaconing -- 6.2.1 Existing standard beaconing concepts -- 6.2.2 What is a beacon? -- 6.2.3 Improved signaling mechanism with dual beacons -- 6.2.4 Beacon implementation in IEEE 802.11 -- 6.2.5 Evaluation -- 6.2.6 Dual beaconing for the reuse of TV bands as policy -- 6.3 Spectrum load smoothing -- 6.3.1 Related work -- 6.3.2 Enabling cognitive radios -- 6.3.3 Spectrum load smoothing in the time domain -- 6.3.4 Initial simulations and convergence experiments -- 6.3.5 Modeling spectrum load smoothing in spectrum sharing scenarios -- 6.3.6 QoS support in IEEE 802.11e coexistence scenarios -- 6.3.7 SLS with reservations - approach to the re-use of TV-bands -- 6.3.8 SLS without reservations - opportunistic spectrum usage scenario -- 6.3.9 Evaluation of QoS capabilities -- 6.3.10 Spectrum load smoothing as policy -- 6.3.11 Learning from spectrum load smoothing approach -- 7. OUR VISION ? THE TRUE COGNITIVE RADIO -- 7.1 Mitola's cognition circle and related cognitive radio definitions -- 7.2 Cognitive radios can gain from delay-tolerant software radio -- 7.3 DARPA XG provides implementation guidelines, including the access protocol -- 7.3.1 Traceable decision making -- 7.3.2 Machine-understandable radio semantics -- 7.4 Spectrum etiquette may stimulate cognitive behavior -- 7.4.1 What is spectrum etiquette? -- 7.4.2 Value orientation -- 7.5 Network operators may assist dynamic spectrum access -- 7.6 Business opportunities -- 8 CONCLUDING REMARKS -- A. APPENDIX "JEMULA802" -- B. APPENDIX "YOUSHI" -- B.1 Modeling QoS requirements and demands.
B.2 Resource allocation and collisions -- B.3 Graphical user interface -- References -- Index.
Record Nr. UNINA-9910139784103321
Berlemann Lars  
Hoboken, New Jersey : , : J. Wiley & Sons, , 2009
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Cognitive radio and dynamic spectrum access / / Lars Berlemann and Stefan Mangold
Cognitive radio and dynamic spectrum access / / Lars Berlemann and Stefan Mangold
Autore Berlemann Lars
Pubbl/distr/stampa Hoboken, New Jersey : , : J. Wiley & Sons, , 2009
Descrizione fisica 1 online resource (266 p.)
Disciplina 621.384
Altri autori (Persone) MangoldStefan
Soggetto topico Cognitive radio networks
Radio frequency allocation
Software radio
ISBN 1-282-68377-2
9786612683770
0-470-75442-7
0-470-75443-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto List of Figures -- List of Tables -- About The Authors -- Foreword -- Acknowledgement -- Preface -- Abbreviations -- 1. INTRODUCTION -- 1.1 Access to radio spectrum -- 1.2 Artificial spectrum scarcity from unexploited frequencies -- 1.3 Cognitive radio and dynamic spectrum access as solution -- 1.4 This book 28 -- 2. RADIO SPECTRUM TODAY - REGULATION AND SPECTRUM USAGE -- 2.1 History and terminology -- 2.1.1 The four basic approaches for radio spectrum regulation -- 2.1.2 Guiding principles -- 2.2 Institutions that regulate radio spectrum -- 2.2.1 International Telecommunication Union, ITU -- 2.2.2 Europe -- 2.2.3 Germany -- 2.2.4 United Kingdom -- 2.2.5 Japan -- 2.2.6 P.R. China -- 2.2.7 United States of America -- 2.3 Licensed and unlicensed spectrum -- 2.3.1 The disadvantages of spectrum licensing -- 2.3.2 Unlicensed spectrum as alternative -- 2.3.3 Tragedy of commons in unlicensed spectrum -- 2.3.4 Spectrum measurements -- 3. RADIO SPECTRUM TOMORROW ? DYNAMIC SPECTRUM ACCESS & SPECTRUM SHARING -- 3.1 Spectrum sharing and dynamic spectrum access: concepts and terminology -- 3.1.1 Spectrum trading and spectrum liberalization -- 3.1.2 Underlay and overlay spectrum sharing -- 3.1.3 Vertical and horizontal spectrum sharing -- 3.1.4 Coexistence, coordination and cooperation -- 3.2 Horizontal spectrum sharing -- 3.2.1 Coexistence -- 3.2.2 Centralized spectrum coordination for horizontal sharing -- 3.2.3 Spectrum sharing games -- 3.3 Vertical spectrum sharing -- 3.3.1 Re-use of TV bands for vertical spectrum sharing -- 3.3.2 Spectrum pooling and a common control for vertical spectrum sharing -- 3.3.3 Operator-assistance in vertical spectrum sharing -- 3.3.4 Spectrum load smoothing for vertical spectrum sharing -- 3.4 Taxonomy for spectrum sharing -- 4. TOWARDS COGNITIVE RADIO - RESEARCH AND STANDARDIZATION -- 4.1 Research programs and projects -- 4.1.1 DARPA Next Generation Communications Program, XG -- 4.1.2 National Science Foundation's project GENI -- 4.1.3 European project E3.
4.1.4 European project WINNER+ -- 4.1.5 European project WIP -- 4.1.6 European project SOCRATES -- 4.1.7 European project ROCKET -- 4.1.8 European project ORACLE -- 4.2 IEEE coordination, and the Coexistence Advisory Group IEEE 802.19 -- 4.3 IEEE SCC41/P1900 -- 4.3.1 IEEE P1900.1 -- 4.3.2 IEEE P1900.2 -- 4.3.3 IEEE P1900.3 -- 4.3.4 IEEE P1900.4 -- 4.3.5 IEEE P1900.5 -- 4.4 Wi-Fi Wireless Local Area Networks IEEE 802.11 -- 4.4.1 IEEE 802.11k for radio resource measurements -- 4.4.2 IEEE 802.11n for high throughput -- 4.4.3 IEEE 802.11s for mesh networks -- 4.4.4 IEEE 802.11y for high power Wi-Fi -- 4.5 WiMAX Wirless Metropolitan Area Networks IEEE 802.16 -- 4.5.1 IEEE 802.16.2 Coexistence -- 4.5.2 IEEE 802.16h license exempt -- 4.5.3 IEEE 802.22 for wireless rural area networks -- 4.6 Other standardization activities -- 4.6.1 White Spaces Coalition & Wireless Innovation Alliance -- 4.6.2 The New America Foundation and open spectrum -- 4.6.3 SDR Forum -- 4.6.4 Third Generation Partnership Project 3GPP -- 4.6.5 European Telecommunications Standards Institute ETSI -- 4.6.6 Academic research conferences and workshops -- 5. PROPOSED ENABLERS FOR REALIZING HORIZONTAL SPECTRUM SHARING -- 5.1 IEEE 802.11 in unlicensed spectrum -- 5.1.1 Overview -- 5.1.2 Physical layer -- 5.1.3 Medium access control -- 5.1.4 Learning from 802.11 -- 5.2 IEEE 802.16 in unlicensed spectrum -- 5.2.1 Coexistence scenario -- 5.2.2 Protecting the beginning of 802.16 MAC frame -- 5.2.3 Protecting the 802.16 UL subframe -- 5.2.4 Shifting the contention slots -- 5.2.5 Quality-of-service, efficiency, and fairness -- 5.3 Policies in spectrum usage -- 5.3.1 Policy framework -- 5.3.2 Spectrum navigation -- 5.3.3 Reasoning based spectrum navigation -- 5.4 Policy language -- 5.5 Spectrum sharing games -- 5.5.1 Related work -- 5.5.2 802.11e coexistence scenario -- 5.5.3 Game overview -- 5.5.4 Single stage game for frame based interaction -- 5.5.5 Quality-of-service as utility -- 5.5.6 Analytic game model -- 5.5.7 Behavior.
5.5.8 Equilibrium analysis -- 5.5.9 Multi stage game model -- 5.5.10 Discounting of future payoffs -- 5.5.11 Strategies -- 5.5.12 Nash equilibrium in multi stage games -- 5.5.13 QoS evaluation of strategies -- 5.5.14 Game approach as policy -- 5.5.15 Learning from spectrum sharing games -- 6. PROPOSED ENABLERS FOR REALIZING VERTICAL SPECTRUM SHARING -- 6.1 Frequency division duplex for Wi-Fi: FDD WLANs -- 6.2 Operator assisted cognitive radio with beaconing -- 6.2.1 Existing standard beaconing concepts -- 6.2.2 What is a beacon? -- 6.2.3 Improved signaling mechanism with dual beacons -- 6.2.4 Beacon implementation in IEEE 802.11 -- 6.2.5 Evaluation -- 6.2.6 Dual beaconing for the reuse of TV bands as policy -- 6.3 Spectrum load smoothing -- 6.3.1 Related work -- 6.3.2 Enabling cognitive radios -- 6.3.3 Spectrum load smoothing in the time domain -- 6.3.4 Initial simulations and convergence experiments -- 6.3.5 Modeling spectrum load smoothing in spectrum sharing scenarios -- 6.3.6 QoS support in IEEE 802.11e coexistence scenarios -- 6.3.7 SLS with reservations - approach to the re-use of TV-bands -- 6.3.8 SLS without reservations - opportunistic spectrum usage scenario -- 6.3.9 Evaluation of QoS capabilities -- 6.3.10 Spectrum load smoothing as policy -- 6.3.11 Learning from spectrum load smoothing approach -- 7. OUR VISION ? THE TRUE COGNITIVE RADIO -- 7.1 Mitola's cognition circle and related cognitive radio definitions -- 7.2 Cognitive radios can gain from delay-tolerant software radio -- 7.3 DARPA XG provides implementation guidelines, including the access protocol -- 7.3.1 Traceable decision making -- 7.3.2 Machine-understandable radio semantics -- 7.4 Spectrum etiquette may stimulate cognitive behavior -- 7.4.1 What is spectrum etiquette? -- 7.4.2 Value orientation -- 7.5 Network operators may assist dynamic spectrum access -- 7.6 Business opportunities -- 8 CONCLUDING REMARKS -- A. APPENDIX "JEMULA802" -- B. APPENDIX "YOUSHI" -- B.1 Modeling QoS requirements and demands.
B.2 Resource allocation and collisions -- B.3 Graphical user interface -- References -- Index.
Record Nr. UNINA-9910807241403321
Berlemann Lars  
Hoboken, New Jersey : , : J. Wiley & Sons, , 2009
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
IEEE 802 wireless systems [[electronic resource] ] : protocols, multi-hop mesh/relaying, performance and spectrum coexistence / / Bernard H. Walke, Stefan Mangold, [and] Lars Berlemann
IEEE 802 wireless systems [[electronic resource] ] : protocols, multi-hop mesh/relaying, performance and spectrum coexistence / / Bernard H. Walke, Stefan Mangold, [and] Lars Berlemann
Autore Walke Bernard H
Pubbl/distr/stampa Chichester ; ; Hoboken, NJ, : John Wiley & Sons, c2006
Descrizione fisica 1 online resource (404 p.)
Disciplina 621.384
Altri autori (Persone) MangoldStefan
BerlemannLars
Soggetto topico Wireless LANs
IEEE 802.11 (Standard)
ISBN 1-280-73995-9
9786610739950
0-470-05880-3
0-470-05879-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto IEEE 802 Wireless Systems; Contents; Preface; 1 Introduction; 1.1 Standardization; 1.2 Next-generation Systems; 1.3 The IEEE 802 Project; 1.4 Motivation and Outline; 2 Wireless Communication - Basics; 2.1 Radio Transmission Fundamentals; 2.1.1 Free-space Propagation; 2.1.2 Two-path Propagation Over Flat Terrain; 2.1.3 Attenuation; 2.1.4 Fading; 2.1.5 Shadowing; 2.1.6 Filtering and Transmit Spectrum Masks; 2.1.7 Propagation Models; 2.1.7.1 One-slope Model; 2.1.7.2 Hata-Okumura Model; 2.1.7.3 Walfish-Ikegami Model; 2.1.7.4 Dual-slope Model; 2.1.7.5 Berg Model
2.1.8 Signal-to-Interference Ratio (SIR)2.1.9 Noise - An Additional Source of Interference; 2.1.10 Signal to Interference and Noise Ratio (SINR); 2.1.11 Interference Range; 2.1.12 Digital Modulation; 2.1.13 Modulation and Coding of Radio Signals; 2.2 Duplexing Schemes; 2.2.1 Time Division Duplex; 2.2.2 Frequency Division Duplex; 2.3 Multiplexing; 2.3.1 Frequency Division Multiplex; 2.3.2 Time Division Multiplex; 2.3.3 Code Division Multiplex; 2.3.4 Space Division Multiplex; 2.3.5 Orthogonal Frequency Division Multiplex; 2.3.5.1 Pilot Tones and Preambles
2.3.5.2 Fast Fourier Transformation (FFT)2.3.5.3 Cyclic Prefix; 2.4 Switching in Communication Networks; 2.4.1 Circuit Switching; 2.4.2 Packet Switching; 2.5 Channel Coding for Error Correction and Error Detection; 2.5.1 Forward Error Correction; 2.5.2 Automatic Repeat Request Protocols; 2.5.2.1 Send-and-Wait; 2.5.2.2 Go-back-N; 2.5.2.3 Selective-Reject; 2.5.2.4 Summary; 2.5.3 Hybrid Automatic Repeat Request; 2.6 Medium Access Control (MAC) Protocols; 2.6.1 ALOHA; 2.6.1.1 Pure ALOHA; 2.6.1.2 Slotted ALOHA; 2.6.1.3 Comparison of Pure and Slotted ALOHA; 2.6.2 Carrier Sense Multiple Access
2.6.2.1 CSMA Variants2.6.2.2 CSMA/CD; 2.6.2.3 CSMA/CA; 2.6.3 Polling; 2.6.4 Summary; 3 Radio Spectrum Regulation; 3.1 Regulation Bodies and Global Institutions; 3.1.1 International Telecommunication Union; 3.1.2 Europe; 3.1.3 Germany; 3.1.4 Japan; 3.1.5 China; 3.1.6 United States; 3.2 Licensed and Unlicensed Spectrum; 3.2.1 Licensed Spectrum; 3.2.2 The Problem with Licensing; 3.2.3 Unlicensed Spectrum; 3.2.3.1 Europe; 3.2.3.2 United States; 3.2.4 Part 15 Regulation; 3.2.5 Tragedy of the Commons in Spectrum Regulation; 3.3 Open Spectrum; 3.4 Summary; 4 Mesh Networks - Basics; 4.1 Introduction
4.2 Classification of Wireless Mesh Networks4.3 General Problem Statement; 4.3.1 Path Selection; 4.3.2 Medium Access Control; 4.4 Exploiting the Capacity of the Radio Channel by Spatial Reuse; 4.4.1 Hidden Devices - Potential Interferers; 4.4.2 Exposed Devices - Unused Capacity; 4.5 Fairness and Congestion Avoidance; 4.6 Routing; 4.6.1 Routing Algorithms; 4.6.1.1 Ad-hoc On-demand Distance Vector Routing (AODV); 4.6.1.2 Route Discovery; 4.6.1.3 Route Maintenance; 4.6.1.4 Local Repair; 4.6.2 Common Link Layer Behavior (Link Adaptation); 4.6.3 Link Breakage Prediction
4.6.4 Actions for Expected Link Break
Record Nr. UNINA-9910143706903321
Walke Bernard H  
Chichester ; ; Hoboken, NJ, : John Wiley & Sons, c2006
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
IEEE 802 wireless systems [[electronic resource] ] : protocols, multi-hop mesh/relaying, performance and spectrum coexistence / / Bernard H. Walke, Stefan Mangold, [and] Lars Berlemann
IEEE 802 wireless systems [[electronic resource] ] : protocols, multi-hop mesh/relaying, performance and spectrum coexistence / / Bernard H. Walke, Stefan Mangold, [and] Lars Berlemann
Autore Walke Bernard H
Pubbl/distr/stampa Chichester ; ; Hoboken, NJ, : John Wiley & Sons, c2006
Descrizione fisica 1 online resource (404 p.)
Disciplina 621.384
Altri autori (Persone) MangoldStefan
BerlemannLars
Soggetto topico Wireless LANs
IEEE 802.11 (Standard)
ISBN 1-280-73995-9
9786610739950
0-470-05880-3
0-470-05879-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto IEEE 802 Wireless Systems; Contents; Preface; 1 Introduction; 1.1 Standardization; 1.2 Next-generation Systems; 1.3 The IEEE 802 Project; 1.4 Motivation and Outline; 2 Wireless Communication - Basics; 2.1 Radio Transmission Fundamentals; 2.1.1 Free-space Propagation; 2.1.2 Two-path Propagation Over Flat Terrain; 2.1.3 Attenuation; 2.1.4 Fading; 2.1.5 Shadowing; 2.1.6 Filtering and Transmit Spectrum Masks; 2.1.7 Propagation Models; 2.1.7.1 One-slope Model; 2.1.7.2 Hata-Okumura Model; 2.1.7.3 Walfish-Ikegami Model; 2.1.7.4 Dual-slope Model; 2.1.7.5 Berg Model
2.1.8 Signal-to-Interference Ratio (SIR)2.1.9 Noise - An Additional Source of Interference; 2.1.10 Signal to Interference and Noise Ratio (SINR); 2.1.11 Interference Range; 2.1.12 Digital Modulation; 2.1.13 Modulation and Coding of Radio Signals; 2.2 Duplexing Schemes; 2.2.1 Time Division Duplex; 2.2.2 Frequency Division Duplex; 2.3 Multiplexing; 2.3.1 Frequency Division Multiplex; 2.3.2 Time Division Multiplex; 2.3.3 Code Division Multiplex; 2.3.4 Space Division Multiplex; 2.3.5 Orthogonal Frequency Division Multiplex; 2.3.5.1 Pilot Tones and Preambles
2.3.5.2 Fast Fourier Transformation (FFT)2.3.5.3 Cyclic Prefix; 2.4 Switching in Communication Networks; 2.4.1 Circuit Switching; 2.4.2 Packet Switching; 2.5 Channel Coding for Error Correction and Error Detection; 2.5.1 Forward Error Correction; 2.5.2 Automatic Repeat Request Protocols; 2.5.2.1 Send-and-Wait; 2.5.2.2 Go-back-N; 2.5.2.3 Selective-Reject; 2.5.2.4 Summary; 2.5.3 Hybrid Automatic Repeat Request; 2.6 Medium Access Control (MAC) Protocols; 2.6.1 ALOHA; 2.6.1.1 Pure ALOHA; 2.6.1.2 Slotted ALOHA; 2.6.1.3 Comparison of Pure and Slotted ALOHA; 2.6.2 Carrier Sense Multiple Access
2.6.2.1 CSMA Variants2.6.2.2 CSMA/CD; 2.6.2.3 CSMA/CA; 2.6.3 Polling; 2.6.4 Summary; 3 Radio Spectrum Regulation; 3.1 Regulation Bodies and Global Institutions; 3.1.1 International Telecommunication Union; 3.1.2 Europe; 3.1.3 Germany; 3.1.4 Japan; 3.1.5 China; 3.1.6 United States; 3.2 Licensed and Unlicensed Spectrum; 3.2.1 Licensed Spectrum; 3.2.2 The Problem with Licensing; 3.2.3 Unlicensed Spectrum; 3.2.3.1 Europe; 3.2.3.2 United States; 3.2.4 Part 15 Regulation; 3.2.5 Tragedy of the Commons in Spectrum Regulation; 3.3 Open Spectrum; 3.4 Summary; 4 Mesh Networks - Basics; 4.1 Introduction
4.2 Classification of Wireless Mesh Networks4.3 General Problem Statement; 4.3.1 Path Selection; 4.3.2 Medium Access Control; 4.4 Exploiting the Capacity of the Radio Channel by Spatial Reuse; 4.4.1 Hidden Devices - Potential Interferers; 4.4.2 Exposed Devices - Unused Capacity; 4.5 Fairness and Congestion Avoidance; 4.6 Routing; 4.6.1 Routing Algorithms; 4.6.1.1 Ad-hoc On-demand Distance Vector Routing (AODV); 4.6.1.2 Route Discovery; 4.6.1.3 Route Maintenance; 4.6.1.4 Local Repair; 4.6.2 Common Link Layer Behavior (Link Adaptation); 4.6.3 Link Breakage Prediction
4.6.4 Actions for Expected Link Break
Record Nr. UNINA-9910677279903321
Walke Bernard H  
Chichester ; ; Hoboken, NJ, : John Wiley & Sons, c2006
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui