top

  Info

  • Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.

  Info

  • Utilizzare questo link per rimuovere la selezione effettuata.

Biblioteca

MARC Lista (tabellare)
LTE--advanced and next generation wireless networks : channel modelling and propagation / / editors, Guillaume de la Roche, Andres Alayon Glazunov, Ben Allen
LTE--advanced and next generation wireless networks : channel modelling and propagation / / editors, Guillaume de la Roche, Andres Alayon Glazunov, Ben Allen
Edizione [1st edition]
Pubbl/distr/stampa Chichester, West Sussex, U.K. : , : Wiley, , 2013
Descrizione fisica 1 online resource (567 p.)
Disciplina 621.39/81
Altri autori (Persone) De la RocheGuillaume
GlazunovAndres Alayon
AllenBen (Benjamin Hugh)
Soggetto topico Long-Term Evolution (Telecommunications)
Wireless communication systems
ISBN 1-283-64552-1
1-118-41099-8
1-118-41100-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto -- About the Editors xv -- List of Contributors xvii -- Preface xix -- Acknowledgements xxiii -- List of Acronyms xxv -- Part I BACKGROUND -- 1 Enabling Technologies for 3GPP LTE-Advanced Networks 3 / Narcis Cardona, Jose F. Monserrat and Jorge Cabrejas -- 1.1 Introduction 4 -- 1.2 General IMT-Advanced Features and Requirements 5 -- 1.3 Long Term Evolution Advanced Requirements 11 -- 1.4 Long Term Evolution Advanced Enabling Technologies 15 -- 1.5 Summary 33 -- 2 Propagation and Channel Modeling Principles 35 / Andreas F. Molisch -- 2.1 Propagation Principles 35 -- 2.2 Deterministic Channel Descriptions 41 -- 2.3 Stochastic Channel Description 46 -- 2.4 Channel Modeling Methods 51 -- Part II RADIO CHANNELS -- 3 Indoor Channels 67 / Jianhua Zhang and Guangyi Liu -- 3.1 Introduction 67 -- 3.2 Indoor Large Scale Fading 69 -- 3.3 Indoor Small Scale Fading 83 -- 4 Outdoor Channels 97 / Petros Karadimas -- 4.1 Introduction 97 -- 4.2 Reference Channel Model 98 -- 4.3 Small Scale Variations 103 -- 4.4 Path Loss and Large Scale Variations 117 -- 4.5 Summary 119 -- 5 Outdoor-Indoor Channel 123 / Andres Alayon Glazunov, Zhihua Lai and Jie Zhang -- 5.1 Introduction 123 -- 5.2 Modelling Principles 124 -- 5.3 Empirical Propagation Models 127 -- 5.4 Deterministic Models 137 -- 5.5 Hybrid Models 142 -- 6 Vehicular Channels 153 / Laura Bernado, Nicolai Czink, Thomas Zemen, Alexander Paier, Fredrik Tufvesson, Christoph Mecklenbrauker and Andreas F. Molisch -- 6.1 Introduction 153 -- 6.2 Radio Channel Measurements 154 -- 6.3 Vehicular Channel Characterization 160 -- 6.4 Channel Models for Vehicular Communications 171 -- 6.5 New Vehicular Communication Techniques 180 -- 7 Multi-User MIMO Channels 187 / Fredrik Tufvesson, Katsuyuki Haneda and Veli-Matti Kolmonen -- 7.1 Introduction 187 -- 7.2 Multi-User MIMO Measurements 188 -- 7.3 Multi-User Channel Characterization 196 -- 7.4 Multi-User Channel Models 200 -- 8 Wideband Channels 215 / Vit Sipal, David Edward and Ben Allen -- 8.1 Large Scale Channel Properties 216.
8.2 Impulse Response of UWB Channel 219 -- 8.3 Frequency Selective Fading in UWB Channels 226 -- 8.4 Multiple Antenna Techniques 239 -- 8.5 Implications for LTE-A 243 -- 9 Wireless Body Area Network Channels 247 / Rob Edwards, Muhammad Irfan Khattak and Lei Ma -- 9.1 Introduction 247 -- 9.2 Wearable Antennas 249 -- 9.3 Analysis of Antennas Close to Human Skin 251 -- 9.4 A Survey of Popular On-Body Propagation Models 259 -- 9.5 Antenna Implants-Possible Future Trends 263 -- 9.6 Summary 265 -- Part III SIMULATION AND PERFORMANCE -- 10 Ray-Tracing Modeling 271 / Yves Lostanlen and Thomas Kurner -- 10.1 Introduction 271 -- 10.2 Main Physical Phenomena Involved in Propagation 272 -- 10.3 Incorporating the Influence of Vegetation 277 -- 10.4 Ray-Tracing Methods 280 -- 11 Finite-Difference Modeling 293 / Guillaume de la Roche -- 11.1 Introduction 293 -- 11.2 Models for Solving Maxwell's Equations 294 -- 11.3 Practical Use of FD Methods 298 -- 11.4 Results 303 -- 11.5 Perspectives for Finite Difference Models 308 -- 11.6 Summary and Perspectives 314 -- 12 Propagation Models for Wireless Network Planning 317 / Thomas Kurner and Yves Lostanlen -- 12.1 Geographic Data for RNP 317 -- 12.2 Categorization of Propagation Models 322 -- 12.3 Empirical Models 325 -- 12.4 Semi-Empirical Models for Macro Cells 326 -- 12.5 Deterministic Models for Urban Areas 332 -- 12.6 Accuracy of Propagation Models for RNP 339 -- 12.7 Coverage Probability 344 -- 13 System-Level Simulations with the IMT-Advanced Channel Model 349 / Jan Ellenbeck -- 13.1 Introduction 349 -- 13.2 IMT-Advanced Simulation Guidelines 350 -- 13.3 The IMT-Advanced Channel Models 357 -- 13.4 Channel Model Calibration 366 -- 13.5 Link-to-System Modeling for LTE-Advanced 371 -- 13.6 3GPP LTE-Advanced System-Level Simulator Calibration 379 -- 13.7 Summary and Outlook 385 -- 14 Channel Emulators for Emerging Communication Systems 389 / Julian Webber -- 14.1 Introduction 389 -- 14.2 Emulator Systems 390 -- 14.3 Random Number Generation 391.
14.4 Fading Generators 394 -- 14.5 Channel Convolution 401 -- 14.6 Emulator Development 403 -- 14.7 Example Transceiver Applications for Emerging Systems 403 -- 14.8 Summary 407 -- 15 MIMO Over-the-Air Testing 411 / Andres Alayon Glazunov, Veli-Matti Kolmonen and Tommi Laitinen -- 15.1 Introduction 411 -- 15.2 Channel Modelling Concepts 414 -- 15.3 DUTs and Usage Definition 418 -- 15.4 Figures-of-Merit for OTA 419 -- 15.5 Multi-Probe MIMO OTA Testing Methods 421 -- 15.6 Other MIMO OTA Testing Methods 429 -- 15.6.1 Reverberation Chambers 429 -- 15.6.2 Two-Stage Method 436 -- 15.7 Future Trends 437 -- 16 Cognitive Radio Networks: Sensing, Access, Security 443 / Ghazanfar A. Safdar -- 16.1 Introduction 443 -- 16.2 Cognitive Radio: A Definition 443 -- 16.3 Spectrum Sensing in CRNs 448 -- 16.4 Spectrum Assignment / Medium Access Control in CRNs 452 -- 16.5 Security in Cognitive Radio Networks 461 -- 16.6 Applications of CRNs 468 -- 16.7 Summary 470 -- 17 Antenna Design for Small Devices 473 / Tim Brown -- 17.1 Antenna Fundamentals 474 -- 17.2 Figures of Merit and their Impact on the Propagation Channel 477 -- 17.3 Challenges in Mobile Terminal Antenna Design 484 -- 17.4 Multiple-Antenna Minaturization Techniques 485 -- 17.5 Multiple Antennas with Multiple Bands 489 -- 17.6 Multiple Users and Antenna Effects 491 -- 17.7 Small Cell Antennas 492 -- 17.8 Summary 492 -- 18 Statistical Characterization of Antennas in BANs 495 / Carla Oliveira, Michal Mackowiak and Luis M. Correia -- 18.1 Motivation 495 -- 18.2 Scenarios 496 -- 18.3 Concepts 498 -- 18.4 Body Coupling: Theoretical Models 500 -- 18.5 Body Coupling: Full Wave Simulations 508 -- 18.6 Body Coupling: Practical Experiments 513 -- 18.7 Correlation Analysis for BANs 517 -- 18.8 Summary 522 -- Acknowledgements 523 -- References 523 -- Index 525.
Record Nr. UNINA-9910141387103321
Chichester, West Sussex, U.K. : , : Wiley, , 2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
LTE--advanced and next generation wireless networks : channel modelling and propagation / / editors, Guillaume de la Roche, Andres Alayon Glazunov, Ben Allen
LTE--advanced and next generation wireless networks : channel modelling and propagation / / editors, Guillaume de la Roche, Andres Alayon Glazunov, Ben Allen
Edizione [1st edition]
Pubbl/distr/stampa Chichester, West Sussex, U.K., : Wiley, 2012, c2013
Descrizione fisica 1 online resource (567 p.)
Disciplina 621.39/81
Altri autori (Persone) De la RocheGuillaume
GlazunovAndres Alayon
AllenBen (Benjamin Hugh)
Soggetto topico Long-Term Evolution (Telecommunications)
Wireless communication systems
ISBN 1-283-64552-1
1-118-41099-8
1-118-41100-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto -- About the Editors xv -- List of Contributors xvii -- Preface xix -- Acknowledgements xxiii -- List of Acronyms xxv -- Part I BACKGROUND -- 1 Enabling Technologies for 3GPP LTE-Advanced Networks 3 / Narcis Cardona, Jose F. Monserrat and Jorge Cabrejas -- 1.1 Introduction 4 -- 1.2 General IMT-Advanced Features and Requirements 5 -- 1.3 Long Term Evolution Advanced Requirements 11 -- 1.4 Long Term Evolution Advanced Enabling Technologies 15 -- 1.5 Summary 33 -- 2 Propagation and Channel Modeling Principles 35 / Andreas F. Molisch -- 2.1 Propagation Principles 35 -- 2.2 Deterministic Channel Descriptions 41 -- 2.3 Stochastic Channel Description 46 -- 2.4 Channel Modeling Methods 51 -- Part II RADIO CHANNELS -- 3 Indoor Channels 67 / Jianhua Zhang and Guangyi Liu -- 3.1 Introduction 67 -- 3.2 Indoor Large Scale Fading 69 -- 3.3 Indoor Small Scale Fading 83 -- 4 Outdoor Channels 97 / Petros Karadimas -- 4.1 Introduction 97 -- 4.2 Reference Channel Model 98 -- 4.3 Small Scale Variations 103 -- 4.4 Path Loss and Large Scale Variations 117 -- 4.5 Summary 119 -- 5 Outdoor-Indoor Channel 123 / Andres Alayon Glazunov, Zhihua Lai and Jie Zhang -- 5.1 Introduction 123 -- 5.2 Modelling Principles 124 -- 5.3 Empirical Propagation Models 127 -- 5.4 Deterministic Models 137 -- 5.5 Hybrid Models 142 -- 6 Vehicular Channels 153 / Laura Bernado, Nicolai Czink, Thomas Zemen, Alexander Paier, Fredrik Tufvesson, Christoph Mecklenbrauker and Andreas F. Molisch -- 6.1 Introduction 153 -- 6.2 Radio Channel Measurements 154 -- 6.3 Vehicular Channel Characterization 160 -- 6.4 Channel Models for Vehicular Communications 171 -- 6.5 New Vehicular Communication Techniques 180 -- 7 Multi-User MIMO Channels 187 / Fredrik Tufvesson, Katsuyuki Haneda and Veli-Matti Kolmonen -- 7.1 Introduction 187 -- 7.2 Multi-User MIMO Measurements 188 -- 7.3 Multi-User Channel Characterization 196 -- 7.4 Multi-User Channel Models 200 -- 8 Wideband Channels 215 / Vit Sipal, David Edward and Ben Allen -- 8.1 Large Scale Channel Properties 216.
8.2 Impulse Response of UWB Channel 219 -- 8.3 Frequency Selective Fading in UWB Channels 226 -- 8.4 Multiple Antenna Techniques 239 -- 8.5 Implications for LTE-A 243 -- 9 Wireless Body Area Network Channels 247 / Rob Edwards, Muhammad Irfan Khattak and Lei Ma -- 9.1 Introduction 247 -- 9.2 Wearable Antennas 249 -- 9.3 Analysis of Antennas Close to Human Skin 251 -- 9.4 A Survey of Popular On-Body Propagation Models 259 -- 9.5 Antenna Implants-Possible Future Trends 263 -- 9.6 Summary 265 -- Part III SIMULATION AND PERFORMANCE -- 10 Ray-Tracing Modeling 271 / Yves Lostanlen and Thomas Kurner -- 10.1 Introduction 271 -- 10.2 Main Physical Phenomena Involved in Propagation 272 -- 10.3 Incorporating the Influence of Vegetation 277 -- 10.4 Ray-Tracing Methods 280 -- 11 Finite-Difference Modeling 293 / Guillaume de la Roche -- 11.1 Introduction 293 -- 11.2 Models for Solving Maxwell's Equations 294 -- 11.3 Practical Use of FD Methods 298 -- 11.4 Results 303 -- 11.5 Perspectives for Finite Difference Models 308 -- 11.6 Summary and Perspectives 314 -- 12 Propagation Models for Wireless Network Planning 317 / Thomas Kurner and Yves Lostanlen -- 12.1 Geographic Data for RNP 317 -- 12.2 Categorization of Propagation Models 322 -- 12.3 Empirical Models 325 -- 12.4 Semi-Empirical Models for Macro Cells 326 -- 12.5 Deterministic Models for Urban Areas 332 -- 12.6 Accuracy of Propagation Models for RNP 339 -- 12.7 Coverage Probability 344 -- 13 System-Level Simulations with the IMT-Advanced Channel Model 349 / Jan Ellenbeck -- 13.1 Introduction 349 -- 13.2 IMT-Advanced Simulation Guidelines 350 -- 13.3 The IMT-Advanced Channel Models 357 -- 13.4 Channel Model Calibration 366 -- 13.5 Link-to-System Modeling for LTE-Advanced 371 -- 13.6 3GPP LTE-Advanced System-Level Simulator Calibration 379 -- 13.7 Summary and Outlook 385 -- 14 Channel Emulators for Emerging Communication Systems 389 / Julian Webber -- 14.1 Introduction 389 -- 14.2 Emulator Systems 390 -- 14.3 Random Number Generation 391.
14.4 Fading Generators 394 -- 14.5 Channel Convolution 401 -- 14.6 Emulator Development 403 -- 14.7 Example Transceiver Applications for Emerging Systems 403 -- 14.8 Summary 407 -- 15 MIMO Over-the-Air Testing 411 / Andres Alayon Glazunov, Veli-Matti Kolmonen and Tommi Laitinen -- 15.1 Introduction 411 -- 15.2 Channel Modelling Concepts 414 -- 15.3 DUTs and Usage Definition 418 -- 15.4 Figures-of-Merit for OTA 419 -- 15.5 Multi-Probe MIMO OTA Testing Methods 421 -- 15.6 Other MIMO OTA Testing Methods 429 -- 15.6.1 Reverberation Chambers 429 -- 15.6.2 Two-Stage Method 436 -- 15.7 Future Trends 437 -- 16 Cognitive Radio Networks: Sensing, Access, Security 443 / Ghazanfar A. Safdar -- 16.1 Introduction 443 -- 16.2 Cognitive Radio: A Definition 443 -- 16.3 Spectrum Sensing in CRNs 448 -- 16.4 Spectrum Assignment / Medium Access Control in CRNs 452 -- 16.5 Security in Cognitive Radio Networks 461 -- 16.6 Applications of CRNs 468 -- 16.7 Summary 470 -- 17 Antenna Design for Small Devices 473 / Tim Brown -- 17.1 Antenna Fundamentals 474 -- 17.2 Figures of Merit and their Impact on the Propagation Channel 477 -- 17.3 Challenges in Mobile Terminal Antenna Design 484 -- 17.4 Multiple-Antenna Minaturization Techniques 485 -- 17.5 Multiple Antennas with Multiple Bands 489 -- 17.6 Multiple Users and Antenna Effects 491 -- 17.7 Small Cell Antennas 492 -- 17.8 Summary 492 -- 18 Statistical Characterization of Antennas in BANs 495 / Carla Oliveira, Michal Mackowiak and Luis M. Correia -- 18.1 Motivation 495 -- 18.2 Scenarios 496 -- 18.3 Concepts 498 -- 18.4 Body Coupling: Theoretical Models 500 -- 18.5 Body Coupling: Full Wave Simulations 508 -- 18.6 Body Coupling: Practical Experiments 513 -- 18.7 Correlation Analysis for BANs 517 -- 18.8 Summary 522 -- Acknowledgements 523 -- References 523 -- Index 525.
Record Nr. UNINA-9910819246303321
Chichester, West Sussex, U.K., : Wiley, 2012, c2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Ultra-wideband [[electronic resource] ] : antennas and propagation for communications, radar and imaging / / edited by Ben Allen ... [et al.]
Ultra-wideband [[electronic resource] ] : antennas and propagation for communications, radar and imaging / / edited by Ben Allen ... [et al.]
Pubbl/distr/stampa Chichester, : John Wiley, c2007
Descrizione fisica 1 online resource (509 p.)
Disciplina 621.3824
621.38835
Altri autori (Persone) AllenBen (Benjamin Hugh)
Soggetto topico Ultra-wideband antennas
Broadband communication systems
Soggetto genere / forma Electronic books.
ISBN 1-280-72126-X
9786610721269
0-470-05684-3
0-470-05682-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Ultra-Wideband Antennas and Propagation for Communications, Radar and Imaging; Contents; Editors; Prime Contributors; Preface; Acknowledgments; Abbreviations & Acronyms; 1 Introduction to UWB Signals and Systems; 1.1 History of UWB; 1.2 Motivation; 1.2.1 Large Absolute Bandwidth; 1.2.2 Large Relative Bandwidth; 1.3 UWB Signals and Systems; 1.3.1 Impulse Radio; 1.3.2 DS-CDMA; 1.3.3 OFDM; 1.3.4 Frequency Hopping; 1.3.5 RADAR; 1.3.6 Geolocation; 1.4 Frequency Regulation; 1.5 Applications, Operating Scenarios and Standardisation; 1.6 System Outlook; References; Part I Fundamentals
Introduction to Part I2 Fundamental Electromagnetic Theory; 2.1 Introduction; 2.2 Maxwell's Equations; 2.2.1 Differential Formulation; 2.2.2 Interpretation; 2.2.3 Key to Antennas and Propagation; 2.2.4 Solving Maxwell's Equations; 2.2.5 Harmonic Representation; 2.3 Resulting Principles; References; 3 Basic Antenna Elements; 3.1 Introduction; 3.2 Hertzian Dipole; 3.2.1 Far-Field - Fraunhofer Region; 3.2.2 Near-Field - Fresnel Region; 3.3 Antenna Parameters and Terminology; 3.3.1 Polarisation; 3.3.2 Power Density; 3.3.3 Radiated Power; 3.3.4 Radiation Resistance; 3.3.5 Antenna Impedance
3.3.6 Equivalent Circuit3.3.7 Antenna Matching; 3.3.8 Effective Length and Area; 3.3.9 Friis' Transmission Formula; 3.3.10 Radiation Intensity; 3.3.11 Radiation Pattern; 3.3.12 (Antenna) Bandwidth; 3.3.13 Directive Gain, Directivity, Power Gain; 3.3.14 Radiation Efficiency; 3.4 Basic Antenna Elements; 3.4.1 Finite-Length Dipole; 3.4.2 Monopole; 3.4.3 Printed Antennas; 3.4.4 Wideband and Frequency-Independent Elements; References; 4 Antenna Arrays; 4.1 Introduction; 4.2 Point Sources; 4.2.1 Point Sources with Equal Amplitude and Phase
4.2.2 Point Sources with Equal Amplitude and 180 Degrees Phase Difference4.2.3 Point Sources of Unequal Amplitude and Arbitrary Phase Difference; 4.3 The Principle of Pattern Multiplication; 4.4 Linear Arrays of n Elements; 4.5 Linear Broadside Arrays with Nonuniform Amplitude Distributions; 4.5.1 The Binomial Distribution; 4.5.2 The Dolph-Tschebyscheff Distribution; 4.6 Planar Arrays; 4.6.1 Rectangular Arrays; 4.6.2 Circular Arrays 63; 4.7 Design Considerations; 4.7.1 Mutual Coupling; 4.7.2 Array Gain; 4.8 Summary; References; 5 Beamforming; 5.1 Introduction; 5.1.1 Historical Aspects
5.1.2 Concept of Spatial Signal Processing5.2 Antenna Arrays; 5.2.1 Linear Array; 5.2.2 Circular Array; 5.2.3 Planar Array; 5.2.4 Conformal Arrays; 5.3 Adaptive Array Systems; 5.3.1 Spatial Filtering; 5.3.2 Adaptive Antenna Arrays; 5.3.3 Mutual Coupling and Correlation; 5.4 Beamforming; 5.4.1 Adaptive Antenna Technology; 5.4.2 Beam Steering; 5.4.3 Grating Lobes; 5.4.4 Amplitude Weights; 5.4.5 Window Functions; 5.5 Summary; References; 6 Antenna Diversity Techniques; 6.1 Introduction; 6.2 A Review of Fading; 6.2.1 Signal Fading; 6.2.2 Channel Distribution; 6.3 Receive Diversity
6.3.1 Single Branch without Diversity
Record Nr. UNINA-9910143591303321
Chichester, : John Wiley, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Ultra-wideband [[electronic resource] ] : antennas and propagation for communications, radar and imaging / / edited by Ben Allen ... [et al.]
Ultra-wideband [[electronic resource] ] : antennas and propagation for communications, radar and imaging / / edited by Ben Allen ... [et al.]
Pubbl/distr/stampa Chichester, : John Wiley, c2007
Descrizione fisica 1 online resource (509 p.)
Disciplina 621.3824
621.38835
Altri autori (Persone) AllenBen (Benjamin Hugh)
Soggetto topico Ultra-wideband antennas
Broadband communication systems
ISBN 1-280-72126-X
9786610721269
0-470-05684-3
0-470-05682-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Ultra-Wideband Antennas and Propagation for Communications, Radar and Imaging; Contents; Editors; Prime Contributors; Preface; Acknowledgments; Abbreviations & Acronyms; 1 Introduction to UWB Signals and Systems; 1.1 History of UWB; 1.2 Motivation; 1.2.1 Large Absolute Bandwidth; 1.2.2 Large Relative Bandwidth; 1.3 UWB Signals and Systems; 1.3.1 Impulse Radio; 1.3.2 DS-CDMA; 1.3.3 OFDM; 1.3.4 Frequency Hopping; 1.3.5 RADAR; 1.3.6 Geolocation; 1.4 Frequency Regulation; 1.5 Applications, Operating Scenarios and Standardisation; 1.6 System Outlook; References; Part I Fundamentals
Introduction to Part I2 Fundamental Electromagnetic Theory; 2.1 Introduction; 2.2 Maxwell's Equations; 2.2.1 Differential Formulation; 2.2.2 Interpretation; 2.2.3 Key to Antennas and Propagation; 2.2.4 Solving Maxwell's Equations; 2.2.5 Harmonic Representation; 2.3 Resulting Principles; References; 3 Basic Antenna Elements; 3.1 Introduction; 3.2 Hertzian Dipole; 3.2.1 Far-Field - Fraunhofer Region; 3.2.2 Near-Field - Fresnel Region; 3.3 Antenna Parameters and Terminology; 3.3.1 Polarisation; 3.3.2 Power Density; 3.3.3 Radiated Power; 3.3.4 Radiation Resistance; 3.3.5 Antenna Impedance
3.3.6 Equivalent Circuit3.3.7 Antenna Matching; 3.3.8 Effective Length and Area; 3.3.9 Friis' Transmission Formula; 3.3.10 Radiation Intensity; 3.3.11 Radiation Pattern; 3.3.12 (Antenna) Bandwidth; 3.3.13 Directive Gain, Directivity, Power Gain; 3.3.14 Radiation Efficiency; 3.4 Basic Antenna Elements; 3.4.1 Finite-Length Dipole; 3.4.2 Monopole; 3.4.3 Printed Antennas; 3.4.4 Wideband and Frequency-Independent Elements; References; 4 Antenna Arrays; 4.1 Introduction; 4.2 Point Sources; 4.2.1 Point Sources with Equal Amplitude and Phase
4.2.2 Point Sources with Equal Amplitude and 180 Degrees Phase Difference4.2.3 Point Sources of Unequal Amplitude and Arbitrary Phase Difference; 4.3 The Principle of Pattern Multiplication; 4.4 Linear Arrays of n Elements; 4.5 Linear Broadside Arrays with Nonuniform Amplitude Distributions; 4.5.1 The Binomial Distribution; 4.5.2 The Dolph-Tschebyscheff Distribution; 4.6 Planar Arrays; 4.6.1 Rectangular Arrays; 4.6.2 Circular Arrays 63; 4.7 Design Considerations; 4.7.1 Mutual Coupling; 4.7.2 Array Gain; 4.8 Summary; References; 5 Beamforming; 5.1 Introduction; 5.1.1 Historical Aspects
5.1.2 Concept of Spatial Signal Processing5.2 Antenna Arrays; 5.2.1 Linear Array; 5.2.2 Circular Array; 5.2.3 Planar Array; 5.2.4 Conformal Arrays; 5.3 Adaptive Array Systems; 5.3.1 Spatial Filtering; 5.3.2 Adaptive Antenna Arrays; 5.3.3 Mutual Coupling and Correlation; 5.4 Beamforming; 5.4.1 Adaptive Antenna Technology; 5.4.2 Beam Steering; 5.4.3 Grating Lobes; 5.4.4 Amplitude Weights; 5.4.5 Window Functions; 5.5 Summary; References; 6 Antenna Diversity Techniques; 6.1 Introduction; 6.2 A Review of Fading; 6.2.1 Signal Fading; 6.2.2 Channel Distribution; 6.3 Receive Diversity
6.3.1 Single Branch without Diversity
Record Nr. UNINA-9910831056103321
Chichester, : John Wiley, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Ultra-wideband : antennas and propagation for communications, radar and imaging / / edited by Ben Allen ... [et al.]
Ultra-wideband : antennas and propagation for communications, radar and imaging / / edited by Ben Allen ... [et al.]
Pubbl/distr/stampa Chichester, : John Wiley, c2007
Descrizione fisica 1 online resource (509 p.)
Disciplina 621.3824
621.38835
Altri autori (Persone) AllenBen (Benjamin Hugh)
Soggetto topico Ultra-wideband antennas
Broadband communication systems
ISBN 1-280-72126-X
9786610721269
0-470-05684-3
0-470-05682-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Ultra-Wideband Antennas and Propagation for Communications, Radar and Imaging; Contents; Editors; Prime Contributors; Preface; Acknowledgments; Abbreviations & Acronyms; 1 Introduction to UWB Signals and Systems; 1.1 History of UWB; 1.2 Motivation; 1.2.1 Large Absolute Bandwidth; 1.2.2 Large Relative Bandwidth; 1.3 UWB Signals and Systems; 1.3.1 Impulse Radio; 1.3.2 DS-CDMA; 1.3.3 OFDM; 1.3.4 Frequency Hopping; 1.3.5 RADAR; 1.3.6 Geolocation; 1.4 Frequency Regulation; 1.5 Applications, Operating Scenarios and Standardisation; 1.6 System Outlook; References; Part I Fundamentals
Introduction to Part I2 Fundamental Electromagnetic Theory; 2.1 Introduction; 2.2 Maxwell's Equations; 2.2.1 Differential Formulation; 2.2.2 Interpretation; 2.2.3 Key to Antennas and Propagation; 2.2.4 Solving Maxwell's Equations; 2.2.5 Harmonic Representation; 2.3 Resulting Principles; References; 3 Basic Antenna Elements; 3.1 Introduction; 3.2 Hertzian Dipole; 3.2.1 Far-Field - Fraunhofer Region; 3.2.2 Near-Field - Fresnel Region; 3.3 Antenna Parameters and Terminology; 3.3.1 Polarisation; 3.3.2 Power Density; 3.3.3 Radiated Power; 3.3.4 Radiation Resistance; 3.3.5 Antenna Impedance
3.3.6 Equivalent Circuit3.3.7 Antenna Matching; 3.3.8 Effective Length and Area; 3.3.9 Friis' Transmission Formula; 3.3.10 Radiation Intensity; 3.3.11 Radiation Pattern; 3.3.12 (Antenna) Bandwidth; 3.3.13 Directive Gain, Directivity, Power Gain; 3.3.14 Radiation Efficiency; 3.4 Basic Antenna Elements; 3.4.1 Finite-Length Dipole; 3.4.2 Monopole; 3.4.3 Printed Antennas; 3.4.4 Wideband and Frequency-Independent Elements; References; 4 Antenna Arrays; 4.1 Introduction; 4.2 Point Sources; 4.2.1 Point Sources with Equal Amplitude and Phase
4.2.2 Point Sources with Equal Amplitude and 180 Degrees Phase Difference4.2.3 Point Sources of Unequal Amplitude and Arbitrary Phase Difference; 4.3 The Principle of Pattern Multiplication; 4.4 Linear Arrays of n Elements; 4.5 Linear Broadside Arrays with Nonuniform Amplitude Distributions; 4.5.1 The Binomial Distribution; 4.5.2 The Dolph-Tschebyscheff Distribution; 4.6 Planar Arrays; 4.6.1 Rectangular Arrays; 4.6.2 Circular Arrays 63; 4.7 Design Considerations; 4.7.1 Mutual Coupling; 4.7.2 Array Gain; 4.8 Summary; References; 5 Beamforming; 5.1 Introduction; 5.1.1 Historical Aspects
5.1.2 Concept of Spatial Signal Processing5.2 Antenna Arrays; 5.2.1 Linear Array; 5.2.2 Circular Array; 5.2.3 Planar Array; 5.2.4 Conformal Arrays; 5.3 Adaptive Array Systems; 5.3.1 Spatial Filtering; 5.3.2 Adaptive Antenna Arrays; 5.3.3 Mutual Coupling and Correlation; 5.4 Beamforming; 5.4.1 Adaptive Antenna Technology; 5.4.2 Beam Steering; 5.4.3 Grating Lobes; 5.4.4 Amplitude Weights; 5.4.5 Window Functions; 5.5 Summary; References; 6 Antenna Diversity Techniques; 6.1 Introduction; 6.2 A Review of Fading; 6.2.1 Signal Fading; 6.2.2 Channel Distribution; 6.3 Receive Diversity
6.3.1 Single Branch without Diversity
Record Nr. UNINA-9910878101003321
Chichester, : John Wiley, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui