4G wireless video communications / Haohong Wang

Public ISBD Titre : 4G wireless video communications Type de document : texte imprimé Auteurs : Haohong Wang, Auteur ; Lisimachos P. Kondi, Auteur ; Ajay Luthra, Auteur Editeur : The Atrium, Southern Gate, Chichester : John Wiley & Sons Année de publication : 2009 Collection : Wireless Communications and Mobile Computing Importance : 394 p. Présentation : couv. ill. en en coul Format : 25,2 cm. ISBN/ISSN/EAN : 978-0-470-77307-9 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-04 Traitement du signal appliqué aux télécommunications Résumé : A comprehensive presentation of the video communication techniques and systems, this book examines 4G wireless systems which are set to revolutionise ubiquitous multimedia communication. 4G Wireless Video Communications covers the fundamental theory and looks at systems' descriptions with a focus on digital video. It addresses the key topics associated with multimedia communication on 4G networks, including advanced video coding standards, error resilience and error concealment techniques, as well as advanced content-analysis and adaptation techniques for video communications, cross-layer design and optimization frameworks and methods. It also provides a high-level overview of the digital video compression standard MPEG-4 AVC/H.264 that is expected to play a key role in 4G networks. Material is presented logically allowing readers to turn directly to specific points of interest. The first half of the book covers fundamental theory and systems, while the second half moves onto advanced techniques and applications. This book is a timely reflection of the latest advances in video communications for 4G wireless systems. Note de contenu : Contents 1 Introduction. 1.1 Why 4G? 1.2 4G Status and Key Technologies. 1.3 Video Over Wireless. 1.4 Challenges and Opportunities for 4G Wireless Video 2 Wireless Communications and Networking. 2.1 Characteristics and Modeling of Wireless Channels. 2.2 Adaptive Modulation and Coding. 2.3 Orthogonal Frequency Division Multiplexing. 2.4 Multiple-Input Multiple-Output Systems. 2.5 Cross-Layer Design of AMC and HARQ. 2.6 Wireless Networking. 3 Video Coding and Communications. 3.1 Digital Video Compression - Why and How Much? 3.2 Basics 3.3 Information Theory. 3.4 Encoder Architectures. 3.5 Wavelet-Based Video Compression 4 4G Wireless Communications and Networking. 4.1 IMT-Advanced and 4G. 4.2 LTE. 4.3 WIMAX-IEEE 802.16m. 4.4 3GPP2 UMB 5 Advanced Video Coding (AVC)/H.264 Standard. 5.1 Digital Video Compression Standards. 5.2 AVC/H.264 Coding Algorithm 6 Content Analysis for Communications. 6.1 Introduction. 6.2 Content Analysis 6.3 Content-Based Video Representation. 6.4 Content-Based Video Coding and Communications 6.5 Content Description and Management 7 Video Error Resilience and Error Concealment. 7.1 Introduction. 7.2 Error Resilience 7.3 Channel Coding. 7.4 Error Concealment 7.5 Error Resilience Features of H.264/AVC 8 Cross-Layer Optimized Video Delivery over 4G Wireless Networks. 8.1 Why Cross-Layer Design? 8.2 Quality-Driven Cross-Layer Framework. 8.3 Application Layer. 8.4 Rate Control at the Transport Layer 8.5 Routing at the Network Layer 8.6 Content-Aware Real-Time Video Streaming 8.7 Cross-Layer Optimization for Video Summary Transmission 9 Content-based Video Communications. 9.1 Network-Adaptive Video Object Encoding. 9.2 Joint Source Coding and Unequal Error Protection. 9.3 Joint Source-Channel Coding with Utilization of Data Hiding 10 AVC/H.264 Application - Digital TV 10.2 Random Access 10.3 Bitstream Splicing. 10.4 Trick Modes 10.5 Carriage of AVC/H.264 Over MPEG-2 Systems 11 Interactive Video Communications. 11.1 Video Conferencing and Telephony 11.2 Region-of-Interest Video Communications 12 Wireless Video Streaming. 12.1 Introduction. 12.2 Streaming System Architecture 12.3 Delay-Constrained Retransmission 12.4 Considerations for Wireless Video Streaming. 12.5 P2P Video Streaming. References. Index. 4G wireless video communications [texte imprimé] / Haohong Wang, Auteur ; Lisimachos P. Kondi, Auteur ; Ajay Luthra, Auteur . - The Atrium, Southern Gate, Chichester : John Wiley & Sons, 2009 . - 394 p. : couv. ill. en en coul ; 25,2 cm.. - (Wireless Communications and Mobile Computing) . ISBN : 978-0-470-77307-9 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-04 Traitement du signal appliqué aux télécommunications Résumé : A comprehensive presentation of the video communication techniques and systems, this book examines 4G wireless systems which are set to revolutionise ubiquitous multimedia communication. 4G Wireless Video Communications covers the fundamental theory and looks at systems' descriptions with a focus on digital video. It addresses the key topics associated with multimedia communication on 4G networks, including advanced video coding standards, error resilience and error concealment techniques, as well as advanced content-analysis and adaptation techniques for video communications, cross-layer design and optimization frameworks and methods. It also provides a high-level overview of the digital video compression standard MPEG-4 AVC/H.264 that is expected to play a key role in 4G networks. Material is presented logically allowing readers to turn directly to specific points of interest. The first half of the book covers fundamental theory and systems, while the second half moves onto advanced techniques and applications. This book is a timely reflection of the latest advances in video communications for 4G wireless systems. Note de contenu : Contents 1 Introduction. 1.1 Why 4G? 1.2 4G Status and Key Technologies. 1.3 Video Over Wireless. 1.4 Challenges and Opportunities for 4G Wireless Video 2 Wireless Communications and Networking. 2.1 Characteristics and Modeling of Wireless Channels. 2.2 Adaptive Modulation and Coding. 2.3 Orthogonal Frequency Division Multiplexing. 2.4 Multiple-Input Multiple-Output Systems. 2.5 Cross-Layer Design of AMC and HARQ. 2.6 Wireless Networking. 3 Video Coding and Communications. 3.1 Digital Video Compression - Why and How Much? 3.2 Basics 3.3 Information Theory. 3.4 Encoder Architectures. 3.5 Wavelet-Based Video Compression 4 4G Wireless Communications and Networking. 4.1 IMT-Advanced and 4G. 4.2 LTE. 4.3 WIMAX-IEEE 802.16m. 4.4 3GPP2 UMB 5 Advanced Video Coding (AVC)/H.264 Standard. 5.1 Digital Video Compression Standards. 5.2 AVC/H.264 Coding Algorithm 6 Content Analysis for Communications. 6.1 Introduction. 6.2 Content Analysis 6.3 Content-Based Video Representation. 6.4 Content-Based Video Coding and Communications 6.5 Content Description and Management 7 Video Error Resilience and Error Concealment. 7.1 Introduction. 7.2 Error Resilience 7.3 Channel Coding. 7.4 Error Concealment 7.5 Error Resilience Features of H.264/AVC 8 Cross-Layer Optimized Video Delivery over 4G Wireless Networks. 8.1 Why Cross-Layer Design? 8.2 Quality-Driven Cross-Layer Framework. 8.3 Application Layer. 8.4 Rate Control at the Transport Layer 8.5 Routing at the Network Layer 8.6 Content-Aware Real-Time Video Streaming 8.7 Cross-Layer Optimization for Video Summary Transmission 9 Content-based Video Communications. 9.1 Network-Adaptive Video Object Encoding. 9.2 Joint Source Coding and Unequal Error Protection. 9.3 Joint Source-Channel Coding with Utilization of Data Hiding 10 AVC/H.264 Application - Digital TV 10.2 Random Access 10.3 Bitstream Splicing. 10.4 Trick Modes 10.5 Carriage of AVC/H.264 Over MPEG-2 Systems 11 Interactive Video Communications. 11.1 Video Conferencing and Telephony 11.2 Region-of-Interest Video Communications 12 Wireless Video Streaming. 12.1 Introduction. 12.2 Streaming System Architecture 12.3 Delay-Constrained Retransmission 12.4 Considerations for Wireless Video Streaming. 12.5 P2P Video Streaming. References. Index.

Exemplaires(4)

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Advanced Cellular Network Planning and Optimisation / Ajay R. Mishra

Public ISBD Titre : Advanced Cellular Network Planning and Optimisation : 2G/2.5G/3G…Evolution to 4G Type de document : texte imprimé Auteurs : Ajay R. Mishra, Auteur Editeur : The Atrium, Southern Gate, Chichester : John Wiley & Sons Année de publication : 2007 Importance : 521 p. Présentation : couv. ill. en en coul Format : 25 cm. ISBN/ISSN/EAN : 978-0-470-01471-4 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-07 Transmissions par câbles et satellites Résumé : A highly practical guide rooted in theory to include the necessary background for taking the reader through the planning, implementation and management stages for each type of cellular network. Present day cellular networks are a mixture of the technologies like GSM, EGPRS and WCDMA. They even contain features of the technologies that will lead us to the fourth generation networks. Designing and optimising these complex networks requires much deeper understanding. Advanced Cellular Network Planning and Optimisation presents radio, transmission and core network planning and optimisation aspects for GSM, EGPRS and WCDMA networks with focus on practical aspects of the field. Experts from each of the domains have brought their experiences under one book making it an essential read for design practitioners, experts, scientists and students working in the cellular industry. Key Highlights Focus on radio, transmission and core network planning and optimisation Covers GSM, EGPRS, WCDMA network planning & optimisation Gives an introduction to the networks/technologies beyond WCDMA, and explores its current status and future potential Examines the full range of potential scenarios and problems faced by those who design cellular networks and provides advice and solutions all backed up with real-world examples This text will serve as a handbook to anyone engaged in the design, deployment, performance and business of Cellular Networks. "Efficient planning and optimization of mobile networks are key to guarantee superior quality of service and user experience. They also form the essential foundation for the success of future technology development, making this book a valuable read on the road towards 4G." —Tero Ojanperä, Chief Technology Officer, Nokia Networks Note de contenu : Contents Chapter 1 Cellular Networks 1.1 First Generation Cellular Networks 1.2 Second Generation Cellular Networks 1.3 Third Generation Cellular Networks Chapter 2 Radio Network Planning and Optimisation Radio Network Planning Process Preplanning in a GSM Radio Network Radio Network Dimensioning Radio Wave PropagationCoverage Planning Capacity Planning Frequency Planning Parameter Planning Radio Network Optimisation Chapter 3 Transmission Network Planning and Optimisation Access Transmission Network Planning Process Fundamentals of Transmission Digital Hierarchies – PDH and SDH Microwave Link Planning Microwave Propagation Interface Planning Topology Planning Frequency Planning and Interference Equipment Planning Timeslot Planning Synchronisation Planning Transmission Management Parameter Planning Transmission Network Optimisation Chapter 4 Core Network Planning and Optimisation Network Design Process Detailed Network Planning Network Evolution 3GPP Release 4 Circuit Core Network CS Core Detailed Network Planning User Plane Detailed Planning CS Core Network Optimisation Introduction to the PS Core Network IP Addressing IP Routing Protocols Dimensioning IP backbone Planning and Dimensioning Mobile Packet Core Architecture Planning Packet Core Network Optimisation Security Quality of Service Chapter 5 Fourth Generation Mobile Networks Beyond 3G 4G Network Architecture Feature Framework in a 4G Network Planning Overview for 4G Networks OFDM All-IP Network Challenges and Limitations of 4G Networks Appendix A: Roll-Out Network Project Management Appendix B: HSDPA Appendix C: Digital Video Broadcasting Appendix D: TETRA Network Planning -Index Advanced Cellular Network Planning and Optimisation : 2G/2.5G/3G…Evolution to 4G [texte imprimé] / Ajay R. Mishra, Auteur . - The Atrium, Southern Gate, Chichester : John Wiley & Sons, 2007 . - 521 p. : couv. ill. en en coul ; 25 cm. ISBN : 978-0-470-01471-4 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-07 Transmissions par câbles et satellites Résumé : A highly practical guide rooted in theory to include the necessary background for taking the reader through the planning, implementation and management stages for each type of cellular network. Present day cellular networks are a mixture of the technologies like GSM, EGPRS and WCDMA. They even contain features of the technologies that will lead us to the fourth generation networks. Designing and optimising these complex networks requires much deeper understanding. Advanced Cellular Network Planning and Optimisation presents radio, transmission and core network planning and optimisation aspects for GSM, EGPRS and WCDMA networks with focus on practical aspects of the field. Experts from each of the domains have brought their experiences under one book making it an essential read for design practitioners, experts, scientists and students working in the cellular industry. Key Highlights Focus on radio, transmission and core network planning and optimisation Covers GSM, EGPRS, WCDMA network planning & optimisation Gives an introduction to the networks/technologies beyond WCDMA, and explores its current status and future potential Examines the full range of potential scenarios and problems faced by those who design cellular networks and provides advice and solutions all backed up with real-world examples This text will serve as a handbook to anyone engaged in the design, deployment, performance and business of Cellular Networks. "Efficient planning and optimization of mobile networks are key to guarantee superior quality of service and user experience. They also form the essential foundation for the success of future technology development, making this book a valuable read on the road towards 4G." —Tero Ojanperä, Chief Technology Officer, Nokia Networks Note de contenu : Contents Chapter 1 Cellular Networks 1.1 First Generation Cellular Networks 1.2 Second Generation Cellular Networks 1.3 Third Generation Cellular Networks Chapter 2 Radio Network Planning and Optimisation Radio Network Planning Process Preplanning in a GSM Radio Network Radio Network Dimensioning Radio Wave PropagationCoverage Planning Capacity Planning Frequency Planning Parameter Planning Radio Network Optimisation Chapter 3 Transmission Network Planning and Optimisation Access Transmission Network Planning Process Fundamentals of Transmission Digital Hierarchies – PDH and SDH Microwave Link Planning Microwave Propagation Interface Planning Topology Planning Frequency Planning and Interference Equipment Planning Timeslot Planning Synchronisation Planning Transmission Management Parameter Planning Transmission Network Optimisation Chapter 4 Core Network Planning and Optimisation Network Design Process Detailed Network Planning Network Evolution 3GPP Release 4 Circuit Core Network CS Core Detailed Network Planning User Plane Detailed Planning CS Core Network Optimisation Introduction to the PS Core Network IP Addressing IP Routing Protocols Dimensioning IP backbone Planning and Dimensioning Mobile Packet Core Architecture Planning Packet Core Network Optimisation Security Quality of Service Chapter 5 Fourth Generation Mobile Networks Beyond 3G 4G Network Architecture Feature Framework in a 4G Network Planning Overview for 4G Networks OFDM All-IP Network Challenges and Limitations of 4G Networks Appendix A: Roll-Out Network Project Management Appendix B: HSDPA Appendix C: Digital Video Broadcasting Appendix D: TETRA Network Planning -Index

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Approximate antenna analysis for CAD / Hubregt J. Visser

Public ISBD Titre : Approximate antenna analysis for CAD Type de document : texte imprimé Auteurs : Hubregt J. Visser, Auteur Editeur : The Atrium, Southern Gate, Chichester : John Wiley & Sons Année de publication : 2009 Importance : 304 p. Présentation : couv. ill. en en coul Format : 25,5 cm. ISBN/ISSN/EAN : 978-0-470-51293-7 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-03 Antennes-radars-sonars Résumé : This step-by-step guide provides the reader with a detailed and thorough introduction to practical antenna design and model implementation In this book, Hubregt J. Visser provides an introduction to the fundamentals of antenna design and the implementation of design models. A variety of antennas for wireless applications and communications systems are explained, and the real-life use of the antennas is demonstrated through extensive use of application examples. The author includes discussions on the design process of several antennas, such as intravascular MR Antennas, PCB antennas, RFID antennas, rectennas etc. Furthermore, emphasis is placed on Computer Aided Design (CAD) using approximated models. Key Features Includes coverage on intravascular MR Antennas, PCB antennas, RFID antennas, rectennas, etc Comprehensively details the application areas, modeling, analysis, and validation processes for individual antennas Discusses the use of equivalent dipole antennas, equivalent transmission line networks and electrostatics Introduces many antennas and models that have not been covered in previous publications (such as MRI Antennas, for example) This book will be of interest to microwave and antenna engineers. Graduate and post-graduate antennas students studying BSc and MSc courses, as well as research assistants will also find this book insightful. Note de contenu : Contents 2 Intravascular MR Antennas: Loops and Solenoids 3 PCB Antennas: Printed Monopoles 3.2 Printed UWB Antennas 3.3 Printed Strip Monopole Antennas 4 RFID Antennas: Folded Dipoles 4.2 Wire Folded-Dipole Antennas 4.3 Impedance Control 4.4 Asymmetric Coplanar-Strip Folded-Dipole Antenna on a Dielectric Slab 4.5 Folded-Dipole Array Antennas 5 Rectennas: Microstrip Patch Antennas 5.2 Rectenna Design Improvements 5.3 Analytical Models 5.4 Model Verification 5.5 Wireless Battery 5.6 Power and Data Transfer 5.7 RF Energy Scavenging 6 Large Array Antennas: Open-Ended Rectangular-Waveguide Radiators 6.2 Waveguide Fields 6.3 Unit Cell Fields 6.4 Cross-Sectional Step in a Rectangular Waveguide 6.5 Junction Between a Rectangular Waveguide and a Unit Cell 6.6 Dielectric Step in a Unit Cell 6.7 Finite-Length Transmission Line 6.8 Overall GSM of a Cascaded Rectangular-Waveguide Structure 6.9 Validation Appendix 6.A. Waveguide Mode Orthogonality and Normalization Functions Appendix 6.B. Mode-Coupling Integrals for Waveguide-to-Waveguide Junction Appendix 6.C. Unit Cell Mode Orthogonality and Normalization Functions Appendix 6.D. Mode-Coupling Integrals for Rectangular-Waveguide-to-Unit-Cell Junction Approximate antenna analysis for CAD [texte imprimé] / Hubregt J. Visser, Auteur . - The Atrium, Southern Gate, Chichester : John Wiley & Sons, 2009 . - 304 p. : couv. ill. en en coul ; 25,5 cm. ISBN : 978-0-470-51293-7 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-03 Antennes-radars-sonars Résumé : This step-by-step guide provides the reader with a detailed and thorough introduction to practical antenna design and model implementation In this book, Hubregt J. Visser provides an introduction to the fundamentals of antenna design and the implementation of design models. A variety of antennas for wireless applications and communications systems are explained, and the real-life use of the antennas is demonstrated through extensive use of application examples. The author includes discussions on the design process of several antennas, such as intravascular MR Antennas, PCB antennas, RFID antennas, rectennas etc. Furthermore, emphasis is placed on Computer Aided Design (CAD) using approximated models. Key Features Includes coverage on intravascular MR Antennas, PCB antennas, RFID antennas, rectennas, etc Comprehensively details the application areas, modeling, analysis, and validation processes for individual antennas Discusses the use of equivalent dipole antennas, equivalent transmission line networks and electrostatics Introduces many antennas and models that have not been covered in previous publications (such as MRI Antennas, for example) This book will be of interest to microwave and antenna engineers. Graduate and post-graduate antennas students studying BSc and MSc courses, as well as research assistants will also find this book insightful. Note de contenu : Contents 2 Intravascular MR Antennas: Loops and Solenoids 3 PCB Antennas: Printed Monopoles 3.2 Printed UWB Antennas 3.3 Printed Strip Monopole Antennas 4 RFID Antennas: Folded Dipoles 4.2 Wire Folded-Dipole Antennas 4.3 Impedance Control 4.4 Asymmetric Coplanar-Strip Folded-Dipole Antenna on a Dielectric Slab 4.5 Folded-Dipole Array Antennas 5 Rectennas: Microstrip Patch Antennas 5.2 Rectenna Design Improvements 5.3 Analytical Models 5.4 Model Verification 5.5 Wireless Battery 5.6 Power and Data Transfer 5.7 RF Energy Scavenging 6 Large Array Antennas: Open-Ended Rectangular-Waveguide Radiators 6.2 Waveguide Fields 6.3 Unit Cell Fields 6.4 Cross-Sectional Step in a Rectangular Waveguide 6.5 Junction Between a Rectangular Waveguide and a Unit Cell 6.6 Dielectric Step in a Unit Cell 6.7 Finite-Length Transmission Line 6.8 Overall GSM of a Cascaded Rectangular-Waveguide Structure 6.9 Validation Appendix 6.A. Waveguide Mode Orthogonality and Normalization Functions Appendix 6.B. Mode-Coupling Integrals for Waveguide-to-Waveguide Junction Appendix 6.C. Unit Cell Mode Orthogonality and Normalization Functions Appendix 6.D. Mode-Coupling Integrals for Rectangular-Waveguide-to-Unit-Cell Junction

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2727	28-03-21	Livre	Bibliothèque de Génie Electrique- USTO	Documentaires	Exclu du prêt

Array and phased array antenna basics / Hubregt J. Visser

Public ISBD Titre : Array and phased array antenna basics Type de document : texte imprimé Auteurs : Hubregt J. Visser, Auteur Editeur : The Atrium, Southern Gate, Chichester : John Wiley & Sons Année de publication : 2006 Importance : 359 p. Présentation : couv. ill. en en coul Format : 25,5 cm. ISBN/ISSN/EAN : 978-0-470-87117-1 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-03 Antennes-radars-sonars Résumé : Reflecting a growing interest in phased array antenna systems, stemming from radar, radio astronomy, mobile communications and satellite broadcasting, Array and Phased Array Antenna Basics introduces the principles of array and phased array antennas. Packed with first-hand practical experience and worked-out examples, this is a valuable learning tool and reference source for those wishing to improve their understanding of basic array antenna systems without relying heavily on a thorough knowledge of electromagnetics or antenna theory. Features a general introduction to antennas and explains the array antenna principle through discussion of the physical characteristics rather than the theory Explores topics often not covered in antenna textbooks, such as active element pattern, array feeding, means of phase changing, array antenna characterisation, sequential rotation techniques and reactively loaded arrays Guides the reader through the necessary mathematics, allowing them to move onto specialist books on array and phased array antennas with a greater understanding of the topic Supported by a companion website on which instructors and lecturers can find electronic versions of the figures An ideal introduction for those without a background in antennas, this clear, concise volume will appeal to technicians, researchers and managers working in academia, government, telecommunications and radio astronomy. It will also be a valuable resource for professionals and postgraduates with some antenna knowledge. Note de contenu : Contents 1 Radiation. 1.1 The Early History of Electricity and Magnetism. 1.2 James Clerk Maxwell, The Union of Electricity and Magnetism. 1.3 Radiation by Accelerated Charge. 1.4 Reactive and Radiating Electromagnetic Fields. 2 Antennas. 2.1 The Early History of Antennas. 2.2 Antenna Developments During the First World War. 2.3 Antenna Developments in Between the Wars. 2.4 Antenna Developments During the Second World War. 2.5 Post-War Antenna Developments. 3 Antenna Parameters. 3.1 Radiation Pattern. 3.2 Antenna Impedance and Bandwidth. 3.3 Polarisation. 3.4 Antenna Effective Area and Vector Effective Length. 3.5 Radio Equation. 3.6 Radar Equation. 4 The Linear Broadside Array Antenna. 4.1 A Linear Array of Non-Isotropic Point-Source Radiators. 4.2 Plane Waves. 4.3 Received Signal. 4.4 Array Factor. 4.5 Side Lobes and Grating Lobes. 4.6 Amplitude Taper. 5 Design of a 4-Element, Linear, Broadside, Microstrip Patch Array Antenna. 5.1 Introduction. 5.2 Rectangular Microstrip Patch Antenna. 5.3 Split-T Power Divider. 5.4 Transmission and Reflection Coefficients for a Corporate Fed Array Antenna. 5.5 Simulation, Realisation and Measurement. 6 The Linear Endfire Array Antenna. 6.1 Introduction. 6.2 Phase Differences. 6.3 Hansen–Woodyard Endfire Array Antenna. 6.4 Mutual Coupling. 6.5 Yagi–Uda Array Antenna. 7 The Linear Phased Array Antenna. 7.1 Linear Phase Taper. 7.2 Beam Broadening. 7.3 Grating Lobes and Visible Space. 7.4 Means of Phase Shifting. 8 A Frequency Scanned Slotted Waveguide Array Antenna. 8.1 Slotted Waveguide Array Antenna. 8.2 Antenna Design. 8.3 Validation. 9 The Planar Array and Phased Array Antenna. 9.1 Geometry. 9.2 Planar Array Antenna. 9.3 Planar Phased Array Antenna. 10 Special Array Antenna Configurations. 10.1 Conformal Array and Phased Array Antennas. 10.2 Volume Array and Phased Array Antennas. 10.3 Sequential Rotation and Phasing. 10.4 Reactive Loading. 11 Array and Phased Array Antenna Measurement. 11.1 Input Impedance, Self-Coupling and Mutual Coupling. 11.2 Radiation Pattern Measurement. 11.3 Scan Element Pattern. 11.4 Waveguide Simulator. Appendix A: Complex Analysis. A.1 Complex Numbers. A.2 Use of Complex Variables. Appendix B: Vector Analysis. B.1 Notation. B.2 Addition and Subtraction. B.3 Products. B.4 Derivatives. Appendix C: Effective Aperture and Directivity. Appendix D: Transmission Line Theory. D.1 Distributed Parameters. D.2 Guided Waves. D.3 Input Impedance of a Transmission Line. D.4 Terminated Lossless Transmission Lines. D.5 Quarter Wavelength Impedance Transformer. Appendix E: Scattering Matrix. E.1 Normalised Scattering Matrix. E.2 Unnormalised Scattering Matrix. Appendix F: Voltage Incident at a Transmission Line. Appendix :G Cascaded Scattering Matrices. Index. Array and phased array antenna basics [texte imprimé] / Hubregt J. Visser, Auteur . - The Atrium, Southern Gate, Chichester : John Wiley & Sons, 2006 . - 359 p. : couv. ill. en en coul ; 25,5 cm. ISBN : 978-0-470-87117-1 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-03 Antennes-radars-sonars Résumé : Reflecting a growing interest in phased array antenna systems, stemming from radar, radio astronomy, mobile communications and satellite broadcasting, Array and Phased Array Antenna Basics introduces the principles of array and phased array antennas. Packed with first-hand practical experience and worked-out examples, this is a valuable learning tool and reference source for those wishing to improve their understanding of basic array antenna systems without relying heavily on a thorough knowledge of electromagnetics or antenna theory. Features a general introduction to antennas and explains the array antenna principle through discussion of the physical characteristics rather than the theory Explores topics often not covered in antenna textbooks, such as active element pattern, array feeding, means of phase changing, array antenna characterisation, sequential rotation techniques and reactively loaded arrays Guides the reader through the necessary mathematics, allowing them to move onto specialist books on array and phased array antennas with a greater understanding of the topic Supported by a companion website on which instructors and lecturers can find electronic versions of the figures An ideal introduction for those without a background in antennas, this clear, concise volume will appeal to technicians, researchers and managers working in academia, government, telecommunications and radio astronomy. It will also be a valuable resource for professionals and postgraduates with some antenna knowledge. Note de contenu : Contents 1 Radiation. 1.1 The Early History of Electricity and Magnetism. 1.2 James Clerk Maxwell, The Union of Electricity and Magnetism. 1.3 Radiation by Accelerated Charge. 1.4 Reactive and Radiating Electromagnetic Fields. 2 Antennas. 2.1 The Early History of Antennas. 2.2 Antenna Developments During the First World War. 2.3 Antenna Developments in Between the Wars. 2.4 Antenna Developments During the Second World War. 2.5 Post-War Antenna Developments. 3 Antenna Parameters. 3.1 Radiation Pattern. 3.2 Antenna Impedance and Bandwidth. 3.3 Polarisation. 3.4 Antenna Effective Area and Vector Effective Length. 3.5 Radio Equation. 3.6 Radar Equation. 4 The Linear Broadside Array Antenna. 4.1 A Linear Array of Non-Isotropic Point-Source Radiators. 4.2 Plane Waves. 4.3 Received Signal. 4.4 Array Factor. 4.5 Side Lobes and Grating Lobes. 4.6 Amplitude Taper. 5 Design of a 4-Element, Linear, Broadside, Microstrip Patch Array Antenna. 5.1 Introduction. 5.2 Rectangular Microstrip Patch Antenna. 5.3 Split-T Power Divider. 5.4 Transmission and Reflection Coefficients for a Corporate Fed Array Antenna. 5.5 Simulation, Realisation and Measurement. 6 The Linear Endfire Array Antenna. 6.1 Introduction. 6.2 Phase Differences. 6.3 Hansen–Woodyard Endfire Array Antenna. 6.4 Mutual Coupling. 6.5 Yagi–Uda Array Antenna. 7 The Linear Phased Array Antenna. 7.1 Linear Phase Taper. 7.2 Beam Broadening. 7.3 Grating Lobes and Visible Space. 7.4 Means of Phase Shifting. 8 A Frequency Scanned Slotted Waveguide Array Antenna. 8.1 Slotted Waveguide Array Antenna. 8.2 Antenna Design. 8.3 Validation. 9 The Planar Array and Phased Array Antenna. 9.1 Geometry. 9.2 Planar Array Antenna. 9.3 Planar Phased Array Antenna. 10 Special Array Antenna Configurations. 10.1 Conformal Array and Phased Array Antennas. 10.2 Volume Array and Phased Array Antennas. 10.3 Sequential Rotation and Phasing. 10.4 Reactive Loading. 11 Array and Phased Array Antenna Measurement. 11.1 Input Impedance, Self-Coupling and Mutual Coupling. 11.2 Radiation Pattern Measurement. 11.3 Scan Element Pattern. 11.4 Waveguide Simulator. Appendix A: Complex Analysis. A.1 Complex Numbers. A.2 Use of Complex Variables. Appendix B: Vector Analysis. B.1 Notation. B.2 Addition and Subtraction. B.3 Products. B.4 Derivatives. Appendix C: Effective Aperture and Directivity. Appendix D: Transmission Line Theory. D.1 Distributed Parameters. D.2 Guided Waves. D.3 Input Impedance of a Transmission Line. D.4 Terminated Lossless Transmission Lines. D.5 Quarter Wavelength Impedance Transformer. Appendix E: Scattering Matrix. E.1 Normalised Scattering Matrix. E.2 Unnormalised Scattering Matrix. Appendix F: Voltage Incident at a Transmission Line. Appendix :G Cascaded Scattering Matrices. Index.

Exemplaires(2)

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2872	28-03-23	Livre	Bibliothèque de Génie Electrique- USTO	Documentaires	Exclu du prêt

Cognitive radio / Lars Berlemann

Public ISBD Titre : Cognitive radio : and dynamic spectrum access Type de document : texte imprimé Auteurs : Lars Berlemann, Auteur ; Stefan Mangold, Auteur Editeur : The Atrium, Southern Gate, Chichester : John Wiley & Sons Année de publication : 2009 Importance : 230 p. Présentation : couv. ill. en en coul Format : 25,5 cm. ISBN/ISSN/EAN : 978-0-470-51167-1 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-01 Théorie des champs électromagnétiques Résumé : Cognitive Radio for Dynamic Spectrum Access gives a comprehensive overview of the main concepts behind radio spectrum regulation, dynamic spectrum access and cognitive radio. Spectrum measurements are introduced to illustrate the inefficiencies in today’s spectrum usage and the book also discusses enablers for horizontal and vertical spectrum sharing. Among others a game-theory-based approach for spectrum sharing is described and evaluated. Institution and standardisation approaches in academic research and industry are highlighted including IEEE SCC41, 802.11k/n/s/y and 802.22 which lead towards commercial exploitation of cognitive radio. In conclusion, this book looks at the initial steps towards the vision of true cognitive radio and the potential impact on telecommunication business. Introduces the benefits and challenges of cognitive radio Presents cognitive radio in research and industry and covers implications for operators from the perspective of a telecom operator Examines how cognitive radio techniques will considerably change the wireless communication market. Note de contenu : Contents 1. INTRODUCTION. 2. RADIO SPECTRUM TODAY - REGULATION AND SPECTRUM USAGE. 2.1 History and terminology. 2.2 Institutions that regulate radio spectrum. 2.3 Licensed and unlicensed spectrum. 3. RADIO SPECTRUM TOMORROW ? DYNAMIC SPECTRUM ACCESS & SPECTRUM SHARING. 3.1 Spectrum sharing and dynamic spectrum access: concepts and terminology. 3.2 Horizontal spectrum sharing. 3.3 Vertical spectrum sharing. 3.4 Taxonomy for spectrum sharing. 4. TOWARDS COGNITIVE RADIO - RESEARCH AND STANDARDIZATION. 4.1 Research programs and projects. 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. 4.5 WiMAX Wirless Metropolitan Area Networks IEEE 802.16. 4.6 Other standardization activities. 5. PROPOSED ENABLERS FOR REALIZING HORIZONTAL SPECTRUM SHARING. 5.1 IEEE 802.11 in unlicensed spectrum. 5.2 IEEE 802.16 in unlicensed spectrum. 5.3 Policies in spectrum usage. 5.4 Policy language. 5.5 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. 6.3 Spectrum load smoothing. 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. 7.4 Spectrum etiquette may stimulate cognitive behavior. 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. Cognitive radio : and dynamic spectrum access [texte imprimé] / Lars Berlemann, Auteur ; Stefan Mangold, Auteur . - The Atrium, Southern Gate, Chichester : John Wiley & Sons, 2009 . - 230 p. : couv. ill. en en coul ; 25,5 cm. ISBN : 978-0-470-51167-1 Langues : Anglais (eng) Catégories : TELECOMMUNICATION Index. décimale : 28-01 Théorie des champs électromagnétiques Résumé : Cognitive Radio for Dynamic Spectrum Access gives a comprehensive overview of the main concepts behind radio spectrum regulation, dynamic spectrum access and cognitive radio. Spectrum measurements are introduced to illustrate the inefficiencies in today’s spectrum usage and the book also discusses enablers for horizontal and vertical spectrum sharing. Among others a game-theory-based approach for spectrum sharing is described and evaluated. Institution and standardisation approaches in academic research and industry are highlighted including IEEE SCC41, 802.11k/n/s/y and 802.22 which lead towards commercial exploitation of cognitive radio. In conclusion, this book looks at the initial steps towards the vision of true cognitive radio and the potential impact on telecommunication business. Introduces the benefits and challenges of cognitive radio Presents cognitive radio in research and industry and covers implications for operators from the perspective of a telecom operator Examines how cognitive radio techniques will considerably change the wireless communication market. Note de contenu : Contents 1. INTRODUCTION. 2. RADIO SPECTRUM TODAY - REGULATION AND SPECTRUM USAGE. 2.1 History and terminology. 2.2 Institutions that regulate radio spectrum. 2.3 Licensed and unlicensed spectrum. 3. RADIO SPECTRUM TOMORROW ? DYNAMIC SPECTRUM ACCESS & SPECTRUM SHARING. 3.1 Spectrum sharing and dynamic spectrum access: concepts and terminology. 3.2 Horizontal spectrum sharing. 3.3 Vertical spectrum sharing. 3.4 Taxonomy for spectrum sharing. 4. TOWARDS COGNITIVE RADIO - RESEARCH AND STANDARDIZATION. 4.1 Research programs and projects. 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. 4.5 WiMAX Wirless Metropolitan Area Networks IEEE 802.16. 4.6 Other standardization activities. 5. PROPOSED ENABLERS FOR REALIZING HORIZONTAL SPECTRUM SHARING. 5.1 IEEE 802.11 in unlicensed spectrum. 5.2 IEEE 802.16 in unlicensed spectrum. 5.3 Policies in spectrum usage. 5.4 Policy language. 5.5 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. 6.3 Spectrum load smoothing. 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. 7.4 Spectrum etiquette may stimulate cognitive behavior. 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.

Exemplaires(2)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
2728	28-01-03	Livre	Bibliothèque de Génie Electrique- USTO	Documentaires	Exclu du prêt
2729	28-01-03	Livre	Bibliothèque de Génie Electrique- USTO	Documentaires	Exclu du prêt

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