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Biblioteca

MARC Lista (tabellare)
Addressing the risk of waste, fraud, and abuse in the Federal Communications Commission's Lifeline program : hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifteenth Congress, first session, September 6, 2017
Addressing the risk of waste, fraud, and abuse in the Federal Communications Commission's Lifeline program : hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifteenth Congress, first session, September 6, 2017
Pubbl/distr/stampa Washington : , : U.S. Government Publishing Office, , 2019
Descrizione fisica 1 online resource (iii, 75 pages)
Disciplina 4.C 73/7:S.HRG.115-540
Collana S. hrg.
Soggetto topico Telecommunication policy - United States
Broadband communication systems - Government policy - United States
Wireless communication systems - Government policy - United States
Waste in government spending - United States
Broadband communication systems - Government policy
Telecommunication policy
Waste in government spending
Wireless communication systems - Government policy
Soggetto genere / forma Legislative hearings.
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Addressing the risk of waste, fraud, and abuse in the Federal Communications Commission's Lifeline program
Record Nr. UNINA-9910712062703321
Washington : , : U.S. Government Publishing Office, , 2019
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Berkeley technology law journal
Berkeley technology law journal
Pubbl/distr/stampa Berkeley : , : University of California at Berkeley, Boalt Hall School of Law, , ©1996-
Descrizione fisica 1 online resource
Disciplina 344.095
Soggetto topico Technology and law
Patent laws and legislation
Copyright
Telecommunication policy
Law and ethics
Technologie et droit
Droit d'auteur
Télécommunications - Politique gouvernementale
Droit et morale
Technologie
Recht
Biotechnologie
Droit
Propriété intellectuelle
Technologie de pointe
Technik
Zeitschrift
Online-Ressource
Soggetto genere / forma Law reviewsCalifornia
Periodical
Czasopismo prawnicze
Law reviews.
Periodicals.
Internet resources.
Périodique électronique (Descripteur de forme)
Ressource Internet (Descripteur de forme)
Périodiques.
Revues de droit
Soggetto non controllato Technology - General
ISSN 2380-4742
Formato Materiale a stampa
Livello bibliografico Periodico
Lingua di pubblicazione eng
Record Nr. UNISA-996207945003316
Berkeley : , : University of California at Berkeley, Boalt Hall School of Law, , ©1996-
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
Berkeley technology law journal
Berkeley technology law journal
Pubbl/distr/stampa Berkeley : , : University of California at Berkeley, Boalt Hall School of Law, , ©1996-
Descrizione fisica 1 online resource
Disciplina 344.095
Soggetto topico Technology and law
Patent laws and legislation
Copyright
Telecommunication policy
Law and ethics
Technologie et droit
Droit d'auteur
Télécommunications - Politique gouvernementale
Droit et morale
Technologie
Recht
Biotechnologie
Droit
Propriété intellectuelle
Technologie de pointe
Technik
Zeitschrift
Online-Ressource
Soggetto genere / forma Periodical
periodicals.
Czasopismo prawnicze
Law reviews.
Periodicals.
Internet resources.
Périodique électronique (Descripteur de forme)
Ressource Internet (Descripteur de forme)
Périodiques.
Revues de droit
ISSN 2380-4742
Formato Materiale a stampa
Livello bibliografico Periodico
Lingua di pubblicazione eng
Record Nr. UNINA-9910146376603321
Berkeley : , : University of California at Berkeley, Boalt Hall School of Law, , ©1996-
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Beyond broadband access [[electronic resource] ] : developing data-based information policy strategies / / edited by Richard D. Taylor and Amit M. Schejter
Beyond broadband access [[electronic resource] ] : developing data-based information policy strategies / / edited by Richard D. Taylor and Amit M. Schejter
Autore Taylor Richard D.
Edizione [1st ed.]
Pubbl/distr/stampa New York, : Fordham University Press, 2013
Descrizione fisica 1 online resource (321 p.)
Disciplina 384.3
Altri autori (Persone) TaylorRichard Denny
SchejterAmit M
Collana Donald McGannon Communication Research Center's Everett C. Parker book series
Soggetto topico Telecommunication policy
Broadband communication systems
Soggetto non controllato Broadband
broadband access
digital divide
information and communication technology (ict)
information society
metrics
policy
universal service
ISBN 0-8232-6895-0
0-8232-5208-6
0-8232-5185-3
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Acknowledgments -- Introduction: numbers that matter / Richard D. Taylor and Amit M. Schejter -- Theory -- Beyond broadband access : what do we need to measure and how do we measure it? / Catherine Middleton -- Understanding digital gaps : a quartet of empirical methodologies / Bin Zhang and Richard D. Taylor -- Broadband microfoundations : the need for traffic data / Steven Bauer, David Clark, and William Lehr -- Adoption factors of ubiquitous broadband / Sangwon Lee and Justin S. Brown -- Data and modeling challenges in international comparisons / Johannes M. Bauer and Sungjoong Kim -- Data, policy, and democracy / Jorge Reina Schement -- "Rulers of thousands, hundreds, fifties, and tens" : does democracy count? / Amit M. Schejter -- The use and abuse of data in information policy making -- PHD heal thyself : in search of evidence-based research for evidence-based policy / Eli Noam -- Case studies in results-driven decision making at the fcc / Rob Frieden -- The determinants of disconnectedness : understanding US broadband unavailability / Kenneth Flamm -- European broadband spending : implications of input-output analysis and opportunity costs / Ibrahim Kholilul Rohman and Erik Bohlin -- Using data for policy development : designing a universal service fund for Tanzania / Heather Hudson -- Notes -- Bibliography -- List of contributors -- Index.
Record Nr. UNINA-9910788210303321
Taylor Richard D.  
New York, : Fordham University Press, 2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Beyond broadband access [[electronic resource] ] : developing data-based information policy strategies / / edited by Richard D. Taylor and Amit M. Schejter
Beyond broadband access [[electronic resource] ] : developing data-based information policy strategies / / edited by Richard D. Taylor and Amit M. Schejter
Edizione [1st ed.]
Pubbl/distr/stampa New York, : Fordham University Press, 2013
Descrizione fisica 1 online resource (321 p.)
Disciplina 384.3
Altri autori (Persone) TaylorRichard Denny
SchejterAmit M
Collana Donald McGannon Communication Research Center's Everett C. Parker book series
Soggetto topico Telecommunication policy
Broadband communication systems
Soggetto genere / forma Electronic books.
ISBN 0-8232-6895-0
0-8232-5208-6
0-8232-5185-3
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Acknowledgments -- Introduction: numbers that matter / Richard D. Taylor and Amit M. Schejter -- Theory -- Beyond broadband access : what do we need to measure and how do we measure it? / Catherine Middleton -- Understanding digital gaps : a quartet of empirical methodologies / Bin Zhang and Richard D. Taylor -- Broadband microfoundations : the need for traffic data / Steven Bauer, David Clark, and William Lehr -- Adoption factors of ubiquitous broadband / Sangwon Lee and Justin S. Brown -- Data and modeling challenges in international comparisons / Johannes M. Bauer and Sungjoong Kim -- Data, policy, and democracy / Jorge Reina Schement -- "Rulers of thousands, hundreds, fifties, and tens" : does democracy count? / Amit M. Schejter -- The use and abuse of data in information policy making -- PHD heal thyself : in search of evidence-based research for evidence-based policy / Eli Noam -- Case studies in results-driven decision making at the fcc / Rob Frieden -- The determinants of disconnectedness : understanding US broadband unavailability / Kenneth Flamm -- European broadband spending : implications of input-output analysis and opportunity costs / Ibrahim Kholilul Rohman and Erik Bohlin -- Using data for policy development : designing a universal service fund for Tanzania / Heather Hudson -- Notes -- Bibliography -- List of contributors -- Index.
Record Nr. UNINA-9910463267203321
New York, : Fordham University Press, 2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Breaking down barriers to broadband infrastructure deployment : hearing before the Subcommittee on Communications and Technology of the Committee on Energy and Commerce, House of Representatives, One Hundred Fourteenth Congress, first session, October 28, 2015
Breaking down barriers to broadband infrastructure deployment : hearing before the Subcommittee on Communications and Technology of the Committee on Energy and Commerce, House of Representatives, One Hundred Fourteenth Congress, first session, October 28, 2015
Pubbl/distr/stampa Washington : , : U.S. Government Publishing Office, , 2016
Descrizione fisica 1 online resource (v, 87 pages)
Soggetto topico Broadband communication systems - United States
Telecommunication policy - United States
Telecommunication lines - United States
Infrastructure (Economics) - United States
Broadband communication systems
Infrastructure (Economics)
Telecommunication lines
Telecommunication policy
Soggetto genere / forma Legislative hearings.
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Breaking down barriers to broadband infrastructure deployment
Record Nr. UNINA-9910707151603321
Washington : , : U.S. Government Publishing Office, , 2016
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Broadband strategies handbook [[electronic resource] /] / editors, Tim Kelly and Carlo Rossotto
Broadband strategies handbook [[electronic resource] /] / editors, Tim Kelly and Carlo Rossotto
Pubbl/distr/stampa Washington, D.C., : World Bank, c2012
Descrizione fisica 1 online resource (408 p.)
Disciplina 384
Altri autori (Persone) KellyTim (Tim John Charles)
RossottoCarlo Maria <1970->
Soggetto topico Broadband communication systems - Government policy
Information technology - Government policy
Telecommunication policy
Soggetto genere / forma Electronic books.
ISBN 1-280-07143-5
9786613520104
0-8213-8946-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto CONTENTS; Foreword; Acknowledgments; About the Authors; Abbreviations; Executive Summary; Chapter 1. Building Broadband; What Is Broadband?; Why Is Broadband Important?; Figures; 1.1 Effect of Various Information and Communication Technologies on GDP Growth in High- and Low-Income Economies, 2000-06; Boxes; 1.1 Examples of Broadband's Effects on Economic Growth around the World; 1.2 Estimated Minimum and Maximum Impact on GDP of a 10 Percent Increase in Broadband Penetration; Tables; 1.1 Estimated Broadband Employment Creation Multipliers in Various Countries
1.2 Examples of Broadband's Potential Impacts on Innovation in R&D and Business Operations1.3 Mobile Health Services in Nigeria; 1.2 Upstream and Downstream Speeds Needed for Various Services and Applications; What Market Trends Are Fostering Broadband Deployment?; 1.3 Global Fixed and Mobile Broadband Subscriptions per 100 Inhabitants, 2000-10; 1.3 Wireless and Wireline Broadband Subscriptions per 100 Inhabitants, by Region, June 2011; 1.4 Average Broadband Speed in Top 10 Countries; 1.4 User Trends That Promote Demand for Broadband; How Can Broadband Development Be Supported?
1.5 Broadband Ecosystem and Its Impact on the Economy1.6 Examples of the Elements of Absorptive Capacity; 1.5 Capacity to Absorb Technology and the Economic Impact of Broadband-Enabled ICTs: The Examples of Italy and Sweden; B1.5.1 Internet Adoption Proxies in Sweden and Italy, 2007; Notes; References; Chapter 2. Policy Approaches to Promoting Broadband Development; The Public Sector's Evolving Role in Broadband; 2.1 Reasons Given for Not Adopting the Internet in Brazil and Broadband in the United States; 2.1 Public Sector's Role in Fostering Broadband Development: Key Lessons
How to Do It: Implementing Policies and Strategies to Enhance Broadband Development2.1 Publicly Stated Policy Goals for Broadband Service Delivery and Adoption in Selected Countries; 2.2 Broadband Strategies in Middle-Income Countries; 2.3 General Elements for Governments to Consider When Creating Policies and Strategies; 2.2 Framework for Government Intervention to Facilitate Broadband Development; 2.2 Elements of Broadband Strategies in Selected Countries; 2.3 Addressing Bottlenecks in Broadband Networks: Policies on the Supply Side
2.3 Checklist of Policies to Promote the Supply of Broadband Networks2.4 Checklist of Policies to Promote Demand for Broadband; Financing Broadband Development; 2.4 Experience in the European Union with State Aid for Financing Broadband; 2.5 Municipal Broadband Initiatives in Italy and the Netherlands; 2.5 Effectiveness of Fiscal Support for Broadband Development; Measurement, Monitoring, and Evaluation: Checking Progress; 2.4 Categories of Broadband Indicators; 2.5 Wireline Broadband (ADSL) Penetration in the European Union and Turkey, by Technology, 2010
2.6 Wireline Broadband (ADSL) Penetration in Turkey, by Speed, 2010
Record Nr. UNINA-9910461866503321
Washington, D.C., : World Bank, c2012
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Broadband strategies handbook / / edited by Tim Kelly and Carlo Rossotto
Broadband strategies handbook / / edited by Tim Kelly and Carlo Rossotto
Pubbl/distr/stampa Washington, D.C. : , : World Bank, , 2012
Descrizione fisica xxvii, 373 pages : illustrations, maps ; ; 24 cm
Disciplina 384
Altri autori (Persone) KellyTim (Tim John Charles)
RossottoCarlo Maria <1970->
Soggetto topico Broadband communication systems - Government policy
Information technology - Government policy
Telecommunication policy
ISBN 1-280-07143-5
9786613520104
0-8213-8946-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto CONTENTS; Foreword; Acknowledgments; About the Authors; Abbreviations; Executive Summary; Chapter 1. Building Broadband; What Is Broadband?; Why Is Broadband Important?; Figures; 1.1 Effect of Various Information and Communication Technologies on GDP Growth in High- and Low-Income Economies, 2000-06; Boxes; 1.1 Examples of Broadband's Effects on Economic Growth around the World; 1.2 Estimated Minimum and Maximum Impact on GDP of a 10 Percent Increase in Broadband Penetration; Tables; 1.1 Estimated Broadband Employment Creation Multipliers in Various Countries
1.2 Examples of Broadband's Potential Impacts on Innovation in R&D and Business Operations1.3 Mobile Health Services in Nigeria; 1.2 Upstream and Downstream Speeds Needed for Various Services and Applications; What Market Trends Are Fostering Broadband Deployment?; 1.3 Global Fixed and Mobile Broadband Subscriptions per 100 Inhabitants, 2000-10; 1.3 Wireless and Wireline Broadband Subscriptions per 100 Inhabitants, by Region, June 2011; 1.4 Average Broadband Speed in Top 10 Countries; 1.4 User Trends That Promote Demand for Broadband; How Can Broadband Development Be Supported?
1.5 Broadband Ecosystem and Its Impact on the Economy1.6 Examples of the Elements of Absorptive Capacity; 1.5 Capacity to Absorb Technology and the Economic Impact of Broadband-Enabled ICTs: The Examples of Italy and Sweden; B1.5.1 Internet Adoption Proxies in Sweden and Italy, 2007; Notes; References; Chapter 2. Policy Approaches to Promoting Broadband Development; The Public Sector's Evolving Role in Broadband; 2.1 Reasons Given for Not Adopting the Internet in Brazil and Broadband in the United States; 2.1 Public Sector's Role in Fostering Broadband Development: Key Lessons
How to Do It: Implementing Policies and Strategies to Enhance Broadband Development2.1 Publicly Stated Policy Goals for Broadband Service Delivery and Adoption in Selected Countries; 2.2 Broadband Strategies in Middle-Income Countries; 2.3 General Elements for Governments to Consider When Creating Policies and Strategies; 2.2 Framework for Government Intervention to Facilitate Broadband Development; 2.2 Elements of Broadband Strategies in Selected Countries; 2.3 Addressing Bottlenecks in Broadband Networks: Policies on the Supply Side
2.3 Checklist of Policies to Promote the Supply of Broadband Networks2.4 Checklist of Policies to Promote Demand for Broadband; Financing Broadband Development; 2.4 Experience in the European Union with State Aid for Financing Broadband; 2.5 Municipal Broadband Initiatives in Italy and the Netherlands; 2.5 Effectiveness of Fiscal Support for Broadband Development; Measurement, Monitoring, and Evaluation: Checking Progress; 2.4 Categories of Broadband Indicators; 2.5 Wireline Broadband (ADSL) Penetration in the European Union and Turkey, by Technology, 2010
2.6 Wireline Broadband (ADSL) Penetration in Turkey, by Speed, 2010
Record Nr. UNINA-9910790147703321
Washington, D.C. : , : World Bank, , 2012
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Cognitive communications : distributed artificial intelligence (DAI), regulatory policy & economics, implementation / / editors David Grace, Honggang Zhang
Cognitive communications : distributed artificial intelligence (DAI), regulatory policy & economics, implementation / / editors David Grace, Honggang Zhang
Pubbl/distr/stampa Chichester, West Sussex : , : Wiley, , 2012
Descrizione fisica 1 online resource (501 p.)
Disciplina 621.384
Altri autori (Persone) GraceDavid <1970->
ZhangHonggang <1967->
Soggetto topico Cognitive radio networks
Distributed artificial intelligence
Telecommunication policy
ISBN 1-118-36033-8
1-299-31471-6
1-118-36032-X
1-118-36031-1
Classificazione TEC041000
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto -- List of Figures xiii -- List of Tables xxv -- About the Editors xxvii -- Preface xxix -- PART I INTRODUCTION -- 1 Introduction to Cognitive Communications 3 / David Grace -- 1.1 Introduction 3 -- 1.2 A New Way of Thinking 4 -- 1.3 History of Cognitive Communications 6 -- 1.4 Key Components of Cognitive Communications 8 -- 1.5 Overview of the Rest of the Book 9 -- 1.5.1 Part 2: Wireless Communications 10 -- 1.5.2 Part 3: Application of Distributed Artificial Intelligence 11 -- 1.5.3 Part 4: Regulatory Policy and Economics 12 -- 1.5.4 Part 5: Implementation 13 -- 1.6 Summary and Conclusion 14 -- References 14 -- PART II WIRELESS COMMUNICATIONS -- 2 Cognitive Radio and Networks for Heterogeneous Networking 19 / Haesik Kim and Aarne MÈammelÈa -- 2.1 Introduction 19 -- 2.1.1 Historical Sketch 19 -- 2.1.2 Cognitive Radio and Networks 21 -- 2.1.3 Heterogeneous Networks 22 -- 2.2 Cognitive Radio for Heterogeneous Networks 26 -- 2.2.1 Channel Sensing and Network Sensing 26 -- 2.2.2 Interference Mitigation 27 -- 2.2.3 Power Control 31 -- 2.3 Applying Cognitive Networks to Heterogeneous Networks 37 -- 2.3.1 Network Policy for Coexistence of Different Networks 37 -- 2.3.2 Cooperation Mechanisms 39 -- 2.3.3 Network Resource Allocation 41 -- 2.3.4 Self-Organization Mechanisms 44 -- 2.3.5 Handover Mechanisms 45 -- 2.4 Performance Evaluation 47 -- 2.5 Conclusion 50 -- References 50 -- 3 Channel Assignment and Power Allocation Algorithms in Multi-Carrier-Based Cognitive Radio Environments 53 / Musbah Shaat and Faouzi Bader -- 3.1 Introduction 53 -- 3.2 The Orthogonal Frequency-Division Multiplexing (OFDM) Transmission Scheme 54 -- 3.2.1 Why OFDM is Appropriate for CR 55 -- 3.3 Resource Management in Non-Cognitive OFDM Environments 56 -- 3.3.1 Single User OFDM Systems 56 -- 3.3.2 Multiple User OFDM Systems (OFDMA) 57 -- 3.3.3 Resource Allocation Algorithms in Non-Cognitive OFDM Systems 58 -- 3.4 Resource Management in OFDM-Based Cognitive Radio Systems 58 -- 3.4.1 Algorithms Dealing with In-Band Interference 59.
3.4.2 Algorithms Dealing with Mutual Interference 60 -- 3.4.3 System Model 61 -- 3.4.4 Problem Formulation 63 -- 3.4.5 Resource Management in Downlink OFDM-Based CR Systems 64 -- 3.4.6 Resource Management in Uplink OFDM-Based CR Systems 76 -- 3.5 Conclusions 88 -- References 89 -- 4 Filter Bank Techniques for Multi-Carrier Cognitive Radio Systems 93 / Yun Cui, Zhifeng Zhao, Rongpeng Li, Guangchao Zhang and Honggang Zhang -- 4.1 Introduction 93 -- 4.2 Basic Features of Filter Banks-Based Multi-Carrier Techniques 94 -- 4.2.1 Introduction to the Filter Bank System 95 -- 4.2.2 The Polyphase Structure of Filter Banks 96 -- 4.2.3 Basic Structure of Filter Banks-Based Multi-Carrier Systems 97 -- 4.3 Adaptive Threshold Enhanced Filter Bank for Spectrum Detection in IEEE 802.22 98 -- 4.3.1 Multi-Stage Analysis Filter Banks for Spectrum Detection 99 -- 4.3.2 Complexity and Detection Precision Analysis 101 -- 4.3.3 Spectrum Detection in IEEE 802.22 103 -- 4.3.4 Power Estimation with Adaptive Threshold 106 -- 4.4 Transform Decomposition for Spectrum Interleaving in Multi-Carrier Cognitive Radio Systems 108 -- 4.4.1 FFT Pruning in Cognitive Radio Systems 108 -- 4.4.2 Transform Decomposition for General DFT 110 -- 4.4.3 Improved Transform Decomposition Method for DFT with Sparse Input Points 111 -- 4.4.4 Numerical Results and Computational Complexity Analysis 114 -- 4.5 Remaining Problems in Filter Banks-Based Multi-Carrier Systems 115 -- 4.6 Summary and Conclusion 117 -- References 117 -- 5 Distributed Clustering of Cognitive Radio Networks: A Message-Passing Approach 119 / Kareem E. Baddour, Oktay Ureten and Tricia J. Willink -- 5.1 Introduction 119 -- 5.1.1 Inter-Node Collaboration in Decentralized Cognitive Networks 119 -- 5.1.2 Scalability Issues and Overhead Costs 120 -- 5.1.3 Self-Organization Based on Distributed Clustering 120 -- 5.2 Clustering Techniques for Cognitive Radio Networks 122 -- 5.3 A Message-Passing Clustering Approach Based on Affinity Propagation 124 -- 5.4 Case Studies 126.
5.4.1 Clustering Based on Local Spectrum Availability 127 -- 5.4.2 Sensor Selection for Cooperative Spectrum Sensing 132 -- 5.5 Implementation Challenges 138 -- 5.6 Conclusions 140 -- References 140 -- PART III APPLICATION OF DISTRIBUTED ARTIFICIAL INTELLIGENCE -- 6 Machine Learning Applied to Cognitive Communications 145 / Aimilia Bantouna, Kostas Tsagkaris, Vera Stavroulaki, Panagiotis Demestichas and Giorgos Poulios -- 6.1 Introduction 145 -- 6.2 State of the Art 146 -- 6.3 Learning Techniques 148 -- 6.3.1 Bayesian Statistics 148 -- 6.3.2 Supervised Neural Networks (NNs) 150 -- 6.3.3 Self-Organizing Maps (SOMs): An Unsupervised Neural Network 153 -- 6.3.4 Reinforcement Learning 157 -- 6.4 Advantages and Disadvantages of Applying Machine Learning to Cognitive Radio Networks 158 -- 6.5 Conclusions 159 -- Acknowledgement 160 -- References 160 -- 7 Reinforcement Learning for Distributed Power Control and Channel Access in Cognitive Wireless Mesh Networks 163 / Xianfu Chen, Zhifeng Zhao and Honggang Zhang -- 7.1 Introduction 163 -- 7.2 Applying Reinforcement Learning to Distributed Power Control and Channel Access 165 -- 7.2.1 Conjecture-Based Multi-Agent Q-Learning for Distributed Power Control in CogMesh 165 -- 7.2.2 Learning with Dynamic Conjectures for Opportunistic Spectrum Access in CogMesh 176 -- 7.3 Future Challenges 191 -- 7.4 Conclusions 192 -- References 192 -- 8 Reinforcement Learning-Based Cognitive Radio for Open Spectrum Access 195 / Tao Jiang and David Grace -- 8.1 Open Spectrum Access 195 -- 8.2 Reinforcement Learning-Based Spectrum Sharing in Open Spectrum Bands 196 -- 8.2.1 Learning Model 196 -- 8.2.2 Basic Algorithms 200 -- 8.2.3 Performance 200 -- 8.3 Exploration Control and Efficient Exploration for Reinforcement Learning-Based Cognitive Radio 208 -- 8.3.1 Exploration Control Techniques for Cognitive Radios 208 -- 8.3.2 Efficient Exploration Techniques and Learning Efficiency for Cognitive Radios 218 -- 8.4 Conclusion 229 -- References 230 -- 9 Learning Techniques for Context Diagnosis and Prediction in Cognitive Communications 231 / Aimilia Bantouna, Kostas Tsagkaris, Vera Stavroulaki, Giorgos Poulios and Panagiotis Demestichas.
9.1 Introduction 231 -- 9.2 Prediction 232 -- 9.2.1 Building Knowledge: Learning Network Capabilities and User Preferences/ Behaviours 232 -- 9.2.2 Application to Context Diagnosis and Prediction: The Case of Congestion 248 -- 9.3 Future Problems 253 -- 9.4 Conclusions 254 -- References 255 -- 10 Social Behaviour in Cognitive Radio 257 / Husheng Li -- 10.1 Introduction 257 -- 10.2 Social Behaviour in Cognitive Radio 258 -- 10.2.1 Cooperation Formation 258 -- 10.2.2 Channel Recommendations 261 -- 10.3 Social Network Analysis 267 -- 10.3.1 Model of Recommendation Mechanism 267 -- 10.3.2 Interacting Particles 268 -- 10.3.3 Epidemic Propagation 273 -- 10.4 Conclusions 281 -- References 281 -- PART IV REGULATORY POLICY AND ECONOMICS -- 11 Regulatory Policy and Economics of Cognitive Radio for Secondary Spectrum Access 285 / Maziar Nekovee and Peter Anker -- 11.1 Introduction 285 -- 11.2 Spectrum Regulations: Why and How? 286 -- 11.3 Overview of Regulatory Bodies and Their Inter-Relation 287 -- 11.3.1 ITU 287 -- 11.3.2 CEPT/ECC 288 -- 11.3.3 European Union 289 -- 11.3.4 ETSI 290 -- 11.3.5 National Spectrum Management Authority 291 -- 11.4 Why Secondary Spectrum Access? 291 -- 11.5 Candidate Bands for Secondary Access 293 -- 11.5.1 Terrestrial Broadcasting Bands 294 -- 11.5.2 Radar Bands 294 -- 11.5.3 IMT Bands 295 -- 11.5.4 Military Bands 296 -- 11.6 Regulatory and Policy Issues 296 -- 11.6.1 UK Regulatory Environment 300 -- 11.6.2 US Regulatory Environment 301 -- 11.6.3 European Regulatory Environment 302 -- 11.6.4 Regulatory Environments Elsewhere 303 -- 11.7 Technology Enablers and Options for Secondary Sharing 304 -- 11.7.1 Cognitive Radio 304 -- 11.7.2 Technology Options for Secondary Access 306 -- 11.8 Economic Impact and Business Opportunities of SSA 308 -- 11.8.1 Stakeholders and Economic of SSA 309 -- 11.8.2 Use Cases and Business Models 310 -- 11.9 Outlook 313 -- 11.10 Conclusions 314 -- Acknowledgements 315 -- References 315 -- PART V IMPLEMENTATION -- 12 Cognitive Radio Networks in TV White Spaces 321 / Maziar Nekovee and Dave Wisely.
12.1 Introduction 321 -- 12.2 Research and Development Challenges 324 -- 12.2.1 Geolocation Databases 324 -- 12.2.2 Sensing 327 -- 12.2.3 Beacons 330 -- 12.2.4 Physical Layer 330 -- 12.2.5 System Issues 331 -- 12.2.6 Devices 335 -- 12.3 Regulation and Standardization 335 -- 12.3.1 Regulation 335 -- 12.3.2 Standardization 338 -- 12.4 Quantifying Spectrum Opportunities 343 -- 12.5 Commercial Use Cases 346 -- 12.6 Conclusions 354 -- Acknowledgement 355 -- References 355 -- 13 Cognitive Femtocell Networks 359 / Faisal Tariq and Laurence S. Dooley -- 13.1 Introduction 359 -- 13.2 Femtocell Network Architecture 361 -- 13.2.1 Underlay and Overlay Architectures for Femtocell Networks 362 -- 13.2.2 Home Femtocell and Enterprise Femtocell 366 -- 13.2.3 Access Mechanism: Closed, Open and Hybrid Access 369 -- 13.2.4 Possible Operating Spectrum 371 -- 13.3 Interference Management Strategies 372 -- 13.3.1 Cross-Tier Interference Management 373 -- 13.3.2 Intra-Tier Interference Management 376 -- 13.4 Self Organized Femtocell Networks (SOFN) 381 -- 13.4.1 Self-Configuration 383 -- 13.4.2 Self-Optimization 383 -- 13.4.3 Self-Healing and Self-Protection 388 -- 13.5 Future Research Directions 388 -- 13.5.1 Green Femtocell Networks 388 -- 13.5.2 Communication Hub for Smart Homes 389 -- 13.5.3 MIMO-Based Interference Alignment for Femtocell Networks 389 -- 13.5.4 Enhanced FFR 390 -- 13.5.5 CoMP-Based Femtocell Network 391 -- 13.5.6 Holistic Approach to SOFN 391 -- 13.6 Conclusion 391 -- References 391 -- 14 Cognitive Acoustics: A Way to Extend the Lifetime of Underwater Acoustic Sensor Networks 395 / Lu Jin, Defeng (David) Huang, Lin Zou and Angela Ying Jun Zhang -- 14.1 The Concept of Cognitive Acoustics 395 -- 14.2 Underwater Acoustic Communication Channel 397 -- 14.2.1 Propagation Delay 397 -- 14.2.2 Severe Attenuation 397 -- 14.2.3 Ambient Noise 398 -- 14.3 Some Distinct Features of Cognitive Acoustics 401 -- 14.3.1 Purposes of Deployment 401 -- 14.3.2 Grey Space 402 -- 14.3.3 Cost of Field Measurement and System Deployment 402.
14.4 Fundamentals of Reinforcement Learning 402 -- 14.4.1 Markov Decision Process 402 -- 14.4.2 Reinforcement Learning 403 -- 14.4.3 Q-Learning 403 -- 14.5 An Application Scenario: Underwater Acoustic Sensor Networks 404 -- 14.5.1 System Description 404 -- 14.5.2 State Space, Action Set and Transition Probabilities 406 -- 14.5.3 Reward Function 407 -- 14.5.4 Routing Protocol Discussion 409 -- 14.6 Numerical Results 410 -- 14.7 Conclusion 414 -- Acknowledgements 414 -- References 414 -- 15 CMOS RF Transceiver Considerations for DSA 417 / Mark S. Oude Alink, Eric A.M. Klumperink, Andre B.J. Kokkeler, Gerard J.M. Smit and Bram Nauta -- 15.1 Introduction 417 -- 15.1.1 Terminology 418 -- 15.1.2 Transceivers for DSA: More than an ADC and DAC 420 -- 15.1.3 Flexible Software-Defined Transceiver 421 -- 15.1.4 Why CMOS Transceivers? 421 -- 15.2 DSATransceiver Requirements 421 -- 15.3 Mathematical Abstraction 423 -- 15.4 Filters 426 -- 15.4.1 Integrated Filters 426 -- 15.4.2 External Filters 427 -- 15.5 Receiver Considerations and Implementation 428 -- 15.5.1 Sub-Sampling Receiver 429 -- 15.5.2 Heterodyne Receivers 430 -- 15.5.3 Direct-Conversion Receivers 432 -- 15.6 Cognitive Radio Receivers 436 -- 15.6.1 Wideband RF-Section 436 -- 15.6.2 No External RF-Filterbank 437 -- 15.6.3 Wideband Frequency Generation 447 -- 15.7 Transmitter Considerations and Implementation 449 -- 15.8 Cognitive Radio Transmitters 451 -- 15.8.1 Improving Transmitter Linearity 451 -- 15.8.2 Reducing Harmonic Components 452 -- 15.8.3 The Polyphase Multipath Technique 453 -- 15.9 Spectrum Sensing 456 -- 15.9.1 Analogue Windowing 458 -- 15.9.2 Channelized Receiver 459 -- 15.9.3 Crosscorrelation Spectrum Sensing 459 -- 15.9.4 Improved Image and Harmonic Rejection Using Crosscorrelation 461 -- 15.10 Summary and Conclusions 462 -- References 462 -- Index 465.
Record Nr. UNINA-9910130597203321
Chichester, West Sussex : , : Wiley, , 2012
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Cognitive communications : distributed artificial intelligence (DAI), regulatory policy & economics, implementation / / editors David Grace, Honggang Zhang
Cognitive communications : distributed artificial intelligence (DAI), regulatory policy & economics, implementation / / editors David Grace, Honggang Zhang
Pubbl/distr/stampa Chichester, West Sussex : , : Wiley, , 2012
Descrizione fisica 1 online resource (501 p.)
Disciplina 621.384
Altri autori (Persone) GraceDavid <1970->
ZhangHonggang <1967->
Soggetto topico Cognitive radio networks
Distributed artificial intelligence
Telecommunication policy
ISBN 1-118-36033-8
1-299-31471-6
1-118-36032-X
1-118-36031-1
Classificazione TEC041000
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto -- List of Figures xiii -- List of Tables xxv -- About the Editors xxvii -- Preface xxix -- PART I INTRODUCTION -- 1 Introduction to Cognitive Communications 3 / David Grace -- 1.1 Introduction 3 -- 1.2 A New Way of Thinking 4 -- 1.3 History of Cognitive Communications 6 -- 1.4 Key Components of Cognitive Communications 8 -- 1.5 Overview of the Rest of the Book 9 -- 1.5.1 Part 2: Wireless Communications 10 -- 1.5.2 Part 3: Application of Distributed Artificial Intelligence 11 -- 1.5.3 Part 4: Regulatory Policy and Economics 12 -- 1.5.4 Part 5: Implementation 13 -- 1.6 Summary and Conclusion 14 -- References 14 -- PART II WIRELESS COMMUNICATIONS -- 2 Cognitive Radio and Networks for Heterogeneous Networking 19 / Haesik Kim and Aarne MÈammelÈa -- 2.1 Introduction 19 -- 2.1.1 Historical Sketch 19 -- 2.1.2 Cognitive Radio and Networks 21 -- 2.1.3 Heterogeneous Networks 22 -- 2.2 Cognitive Radio for Heterogeneous Networks 26 -- 2.2.1 Channel Sensing and Network Sensing 26 -- 2.2.2 Interference Mitigation 27 -- 2.2.3 Power Control 31 -- 2.3 Applying Cognitive Networks to Heterogeneous Networks 37 -- 2.3.1 Network Policy for Coexistence of Different Networks 37 -- 2.3.2 Cooperation Mechanisms 39 -- 2.3.3 Network Resource Allocation 41 -- 2.3.4 Self-Organization Mechanisms 44 -- 2.3.5 Handover Mechanisms 45 -- 2.4 Performance Evaluation 47 -- 2.5 Conclusion 50 -- References 50 -- 3 Channel Assignment and Power Allocation Algorithms in Multi-Carrier-Based Cognitive Radio Environments 53 / Musbah Shaat and Faouzi Bader -- 3.1 Introduction 53 -- 3.2 The Orthogonal Frequency-Division Multiplexing (OFDM) Transmission Scheme 54 -- 3.2.1 Why OFDM is Appropriate for CR 55 -- 3.3 Resource Management in Non-Cognitive OFDM Environments 56 -- 3.3.1 Single User OFDM Systems 56 -- 3.3.2 Multiple User OFDM Systems (OFDMA) 57 -- 3.3.3 Resource Allocation Algorithms in Non-Cognitive OFDM Systems 58 -- 3.4 Resource Management in OFDM-Based Cognitive Radio Systems 58 -- 3.4.1 Algorithms Dealing with In-Band Interference 59.
3.4.2 Algorithms Dealing with Mutual Interference 60 -- 3.4.3 System Model 61 -- 3.4.4 Problem Formulation 63 -- 3.4.5 Resource Management in Downlink OFDM-Based CR Systems 64 -- 3.4.6 Resource Management in Uplink OFDM-Based CR Systems 76 -- 3.5 Conclusions 88 -- References 89 -- 4 Filter Bank Techniques for Multi-Carrier Cognitive Radio Systems 93 / Yun Cui, Zhifeng Zhao, Rongpeng Li, Guangchao Zhang and Honggang Zhang -- 4.1 Introduction 93 -- 4.2 Basic Features of Filter Banks-Based Multi-Carrier Techniques 94 -- 4.2.1 Introduction to the Filter Bank System 95 -- 4.2.2 The Polyphase Structure of Filter Banks 96 -- 4.2.3 Basic Structure of Filter Banks-Based Multi-Carrier Systems 97 -- 4.3 Adaptive Threshold Enhanced Filter Bank for Spectrum Detection in IEEE 802.22 98 -- 4.3.1 Multi-Stage Analysis Filter Banks for Spectrum Detection 99 -- 4.3.2 Complexity and Detection Precision Analysis 101 -- 4.3.3 Spectrum Detection in IEEE 802.22 103 -- 4.3.4 Power Estimation with Adaptive Threshold 106 -- 4.4 Transform Decomposition for Spectrum Interleaving in Multi-Carrier Cognitive Radio Systems 108 -- 4.4.1 FFT Pruning in Cognitive Radio Systems 108 -- 4.4.2 Transform Decomposition for General DFT 110 -- 4.4.3 Improved Transform Decomposition Method for DFT with Sparse Input Points 111 -- 4.4.4 Numerical Results and Computational Complexity Analysis 114 -- 4.5 Remaining Problems in Filter Banks-Based Multi-Carrier Systems 115 -- 4.6 Summary and Conclusion 117 -- References 117 -- 5 Distributed Clustering of Cognitive Radio Networks: A Message-Passing Approach 119 / Kareem E. Baddour, Oktay Ureten and Tricia J. Willink -- 5.1 Introduction 119 -- 5.1.1 Inter-Node Collaboration in Decentralized Cognitive Networks 119 -- 5.1.2 Scalability Issues and Overhead Costs 120 -- 5.1.3 Self-Organization Based on Distributed Clustering 120 -- 5.2 Clustering Techniques for Cognitive Radio Networks 122 -- 5.3 A Message-Passing Clustering Approach Based on Affinity Propagation 124 -- 5.4 Case Studies 126.
5.4.1 Clustering Based on Local Spectrum Availability 127 -- 5.4.2 Sensor Selection for Cooperative Spectrum Sensing 132 -- 5.5 Implementation Challenges 138 -- 5.6 Conclusions 140 -- References 140 -- PART III APPLICATION OF DISTRIBUTED ARTIFICIAL INTELLIGENCE -- 6 Machine Learning Applied to Cognitive Communications 145 / Aimilia Bantouna, Kostas Tsagkaris, Vera Stavroulaki, Panagiotis Demestichas and Giorgos Poulios -- 6.1 Introduction 145 -- 6.2 State of the Art 146 -- 6.3 Learning Techniques 148 -- 6.3.1 Bayesian Statistics 148 -- 6.3.2 Supervised Neural Networks (NNs) 150 -- 6.3.3 Self-Organizing Maps (SOMs): An Unsupervised Neural Network 153 -- 6.3.4 Reinforcement Learning 157 -- 6.4 Advantages and Disadvantages of Applying Machine Learning to Cognitive Radio Networks 158 -- 6.5 Conclusions 159 -- Acknowledgement 160 -- References 160 -- 7 Reinforcement Learning for Distributed Power Control and Channel Access in Cognitive Wireless Mesh Networks 163 / Xianfu Chen, Zhifeng Zhao and Honggang Zhang -- 7.1 Introduction 163 -- 7.2 Applying Reinforcement Learning to Distributed Power Control and Channel Access 165 -- 7.2.1 Conjecture-Based Multi-Agent Q-Learning for Distributed Power Control in CogMesh 165 -- 7.2.2 Learning with Dynamic Conjectures for Opportunistic Spectrum Access in CogMesh 176 -- 7.3 Future Challenges 191 -- 7.4 Conclusions 192 -- References 192 -- 8 Reinforcement Learning-Based Cognitive Radio for Open Spectrum Access 195 / Tao Jiang and David Grace -- 8.1 Open Spectrum Access 195 -- 8.2 Reinforcement Learning-Based Spectrum Sharing in Open Spectrum Bands 196 -- 8.2.1 Learning Model 196 -- 8.2.2 Basic Algorithms 200 -- 8.2.3 Performance 200 -- 8.3 Exploration Control and Efficient Exploration for Reinforcement Learning-Based Cognitive Radio 208 -- 8.3.1 Exploration Control Techniques for Cognitive Radios 208 -- 8.3.2 Efficient Exploration Techniques and Learning Efficiency for Cognitive Radios 218 -- 8.4 Conclusion 229 -- References 230 -- 9 Learning Techniques for Context Diagnosis and Prediction in Cognitive Communications 231 / Aimilia Bantouna, Kostas Tsagkaris, Vera Stavroulaki, Giorgos Poulios and Panagiotis Demestichas.
9.1 Introduction 231 -- 9.2 Prediction 232 -- 9.2.1 Building Knowledge: Learning Network Capabilities and User Preferences/ Behaviours 232 -- 9.2.2 Application to Context Diagnosis and Prediction: The Case of Congestion 248 -- 9.3 Future Problems 253 -- 9.4 Conclusions 254 -- References 255 -- 10 Social Behaviour in Cognitive Radio 257 / Husheng Li -- 10.1 Introduction 257 -- 10.2 Social Behaviour in Cognitive Radio 258 -- 10.2.1 Cooperation Formation 258 -- 10.2.2 Channel Recommendations 261 -- 10.3 Social Network Analysis 267 -- 10.3.1 Model of Recommendation Mechanism 267 -- 10.3.2 Interacting Particles 268 -- 10.3.3 Epidemic Propagation 273 -- 10.4 Conclusions 281 -- References 281 -- PART IV REGULATORY POLICY AND ECONOMICS -- 11 Regulatory Policy and Economics of Cognitive Radio for Secondary Spectrum Access 285 / Maziar Nekovee and Peter Anker -- 11.1 Introduction 285 -- 11.2 Spectrum Regulations: Why and How? 286 -- 11.3 Overview of Regulatory Bodies and Their Inter-Relation 287 -- 11.3.1 ITU 287 -- 11.3.2 CEPT/ECC 288 -- 11.3.3 European Union 289 -- 11.3.4 ETSI 290 -- 11.3.5 National Spectrum Management Authority 291 -- 11.4 Why Secondary Spectrum Access? 291 -- 11.5 Candidate Bands for Secondary Access 293 -- 11.5.1 Terrestrial Broadcasting Bands 294 -- 11.5.2 Radar Bands 294 -- 11.5.3 IMT Bands 295 -- 11.5.4 Military Bands 296 -- 11.6 Regulatory and Policy Issues 296 -- 11.6.1 UK Regulatory Environment 300 -- 11.6.2 US Regulatory Environment 301 -- 11.6.3 European Regulatory Environment 302 -- 11.6.4 Regulatory Environments Elsewhere 303 -- 11.7 Technology Enablers and Options for Secondary Sharing 304 -- 11.7.1 Cognitive Radio 304 -- 11.7.2 Technology Options for Secondary Access 306 -- 11.8 Economic Impact and Business Opportunities of SSA 308 -- 11.8.1 Stakeholders and Economic of SSA 309 -- 11.8.2 Use Cases and Business Models 310 -- 11.9 Outlook 313 -- 11.10 Conclusions 314 -- Acknowledgements 315 -- References 315 -- PART V IMPLEMENTATION -- 12 Cognitive Radio Networks in TV White Spaces 321 / Maziar Nekovee and Dave Wisely.
12.1 Introduction 321 -- 12.2 Research and Development Challenges 324 -- 12.2.1 Geolocation Databases 324 -- 12.2.2 Sensing 327 -- 12.2.3 Beacons 330 -- 12.2.4 Physical Layer 330 -- 12.2.5 System Issues 331 -- 12.2.6 Devices 335 -- 12.3 Regulation and Standardization 335 -- 12.3.1 Regulation 335 -- 12.3.2 Standardization 338 -- 12.4 Quantifying Spectrum Opportunities 343 -- 12.5 Commercial Use Cases 346 -- 12.6 Conclusions 354 -- Acknowledgement 355 -- References 355 -- 13 Cognitive Femtocell Networks 359 / Faisal Tariq and Laurence S. Dooley -- 13.1 Introduction 359 -- 13.2 Femtocell Network Architecture 361 -- 13.2.1 Underlay and Overlay Architectures for Femtocell Networks 362 -- 13.2.2 Home Femtocell and Enterprise Femtocell 366 -- 13.2.3 Access Mechanism: Closed, Open and Hybrid Access 369 -- 13.2.4 Possible Operating Spectrum 371 -- 13.3 Interference Management Strategies 372 -- 13.3.1 Cross-Tier Interference Management 373 -- 13.3.2 Intra-Tier Interference Management 376 -- 13.4 Self Organized Femtocell Networks (SOFN) 381 -- 13.4.1 Self-Configuration 383 -- 13.4.2 Self-Optimization 383 -- 13.4.3 Self-Healing and Self-Protection 388 -- 13.5 Future Research Directions 388 -- 13.5.1 Green Femtocell Networks 388 -- 13.5.2 Communication Hub for Smart Homes 389 -- 13.5.3 MIMO-Based Interference Alignment for Femtocell Networks 389 -- 13.5.4 Enhanced FFR 390 -- 13.5.5 CoMP-Based Femtocell Network 391 -- 13.5.6 Holistic Approach to SOFN 391 -- 13.6 Conclusion 391 -- References 391 -- 14 Cognitive Acoustics: A Way to Extend the Lifetime of Underwater Acoustic Sensor Networks 395 / Lu Jin, Defeng (David) Huang, Lin Zou and Angela Ying Jun Zhang -- 14.1 The Concept of Cognitive Acoustics 395 -- 14.2 Underwater Acoustic Communication Channel 397 -- 14.2.1 Propagation Delay 397 -- 14.2.2 Severe Attenuation 397 -- 14.2.3 Ambient Noise 398 -- 14.3 Some Distinct Features of Cognitive Acoustics 401 -- 14.3.1 Purposes of Deployment 401 -- 14.3.2 Grey Space 402 -- 14.3.3 Cost of Field Measurement and System Deployment 402.
14.4 Fundamentals of Reinforcement Learning 402 -- 14.4.1 Markov Decision Process 402 -- 14.4.2 Reinforcement Learning 403 -- 14.4.3 Q-Learning 403 -- 14.5 An Application Scenario: Underwater Acoustic Sensor Networks 404 -- 14.5.1 System Description 404 -- 14.5.2 State Space, Action Set and Transition Probabilities 406 -- 14.5.3 Reward Function 407 -- 14.5.4 Routing Protocol Discussion 409 -- 14.6 Numerical Results 410 -- 14.7 Conclusion 414 -- Acknowledgements 414 -- References 414 -- 15 CMOS RF Transceiver Considerations for DSA 417 / Mark S. Oude Alink, Eric A.M. Klumperink, Andre B.J. Kokkeler, Gerard J.M. Smit and Bram Nauta -- 15.1 Introduction 417 -- 15.1.1 Terminology 418 -- 15.1.2 Transceivers for DSA: More than an ADC and DAC 420 -- 15.1.3 Flexible Software-Defined Transceiver 421 -- 15.1.4 Why CMOS Transceivers? 421 -- 15.2 DSATransceiver Requirements 421 -- 15.3 Mathematical Abstraction 423 -- 15.4 Filters 426 -- 15.4.1 Integrated Filters 426 -- 15.4.2 External Filters 427 -- 15.5 Receiver Considerations and Implementation 428 -- 15.5.1 Sub-Sampling Receiver 429 -- 15.5.2 Heterodyne Receivers 430 -- 15.5.3 Direct-Conversion Receivers 432 -- 15.6 Cognitive Radio Receivers 436 -- 15.6.1 Wideband RF-Section 436 -- 15.6.2 No External RF-Filterbank 437 -- 15.6.3 Wideband Frequency Generation 447 -- 15.7 Transmitter Considerations and Implementation 449 -- 15.8 Cognitive Radio Transmitters 451 -- 15.8.1 Improving Transmitter Linearity 451 -- 15.8.2 Reducing Harmonic Components 452 -- 15.8.3 The Polyphase Multipath Technique 453 -- 15.9 Spectrum Sensing 456 -- 15.9.1 Analogue Windowing 458 -- 15.9.2 Channelized Receiver 459 -- 15.9.3 Crosscorrelation Spectrum Sensing 459 -- 15.9.4 Improved Image and Harmonic Rejection Using Crosscorrelation 461 -- 15.10 Summary and Conclusions 462 -- References 462 -- Index 465.
Record Nr. UNINA-9910821647903321
Chichester, West Sussex : , : Wiley, , 2012
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui