Ultra wideband systems with MIMO / / Thomas Kaiser and Feng Zheng

• Record Nr.: UNINA9910813869103321
• Autore: Kaiser Thomas
• Pubbl/distr/stampa: Chichester, West Sussex, U.K. ; ; Hoboken, NJ, : Wiley, 2010
• ISBN: 1-282-55151-5; 9786612551512; 0-470-74001-9; 0-470-74000-0
• Edizione: [1st ed.]
• Descrizione fisica: 1 online resource (274 p.)
• Altri autori (Persone): ZhengFeng
• Disciplina: 621.382
• Soggetti: Broadband communication systems; MIMO systems
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: -- Preface xi -- Acknowledgements xiii -- Abbreviations xv -- 1 Introduction 1 -- 1.1 Introduction 1 -- 1.2 UWB Basics 2 -- 1.3 MIMO Principle 6 -- 1.4 State-of-the-Art UWB-MIMO 10 -- 1.5 Scope of This Book 13 -- 1.6 Notation 15 -- 2 UWB-MIMO Channel Measurement and Models 17 -- 2.1 UWB-SISO Channel Model 18 -- 2.1.1 Large-Scale Path-Loss Models 18 -- 2.1.2 Small-Scale Fading Models 20 -- 2.2 UWB-MIMO Channel Model 23 -- 2.2.1 General Models 23 -- 2.2.2 Correlation Property 24 -- 2.3 Channel Measurement 29 -- 2.3.1 Measurement Setup 29 -- 2.3.2 Measured Results 30 -- 2.4 Ray-Tracing Simulation Tool 32 -- 2.4.1 Ray Tracing for Narrowband Systems 32 -- 2.4.2 Ray Tracing for UWB Systems 35 -- 2.5 Summary 42 -- 3 UWB Channel Capacity 45 -- 3.1 Introduction 45 -- 3.2 System Model 46 -- 3.3 Channel Capacity with Unknown CSI at the Transmitter 47 -- 3.4 Channel Capacity with Known CSI at the Transmitter 51 -- 3.4.1 The SISO Case 51 -- 3.4.2 The MIMO Case 52 -- 3.5 Special Case: SISO with Two Paths 54 -- 3.6 Simulation Results 58 -- 3.7 Channel Correlation 68 -- 3.8 Measured Channel Capacity 69 -- 3.9 Summary 71 -- 4 UWB-MIMO Space / Time Coding 73 -- 4.1 Introduction 73 -- 4.2 A Revisit of Alamouti Space / Time Coding for Narrowband Systems 74 -- 4.3 Alamouti Space / Time Coding for UWB ; Systems 78 -- 4.3.1 The 1S/2A Coding Scheme 78 -- 4.3.2 The 2S/2A Coding Scheme 80 -- 4.3.3 Simulation Results 82 -- 4.4 General Space / Time Coding for UWB Systems 84 -- 4.5 Performance of Antenna Selection 90 -- 4.6 Spatio-Frequency Multiplexing in MB-OFDM-Based UWB Systems 93 -- 4.7 Summary 98 -- 5 UWB Beamforming and Localization 99 -- 5.1 Introduction 99 -- 5.2 Ideal UWB Impulse Beamforming 100 -- 5.3 The Main Lobe Beamwidth of UWB Beamformers 102 -- 5.4 Optimal Beamforming 104 -- 5.5 Various Aspects of UWB Beamformers 106 -- 5.6 UWB Localization 111 -- 5.6.1 Beamforming Approach 113 -- 5.6.2 More Than Two Beamformers 115 -- 5.6.3 The BeamLoc Approach 117 -- 5.7 NLOS Issue 119 -- 5.7.1 NLOS Mitigation Based on a Priori Information 124.; 5.8 Multipath Issue 127 -- 5.9 Summary 129 -- Appendix 5.A Distribution of Ranging Noise 130 -- 6 Time-Reversal UWB Systems 135 -- 6.1 Introduction 135 -- 6.2 Motivation for the Time-Reversal Approach in UWB Systems 137 -- 6.2.1 Theoretical Basis 138 -- 6.2.2 Simulation Results 140 -- 6.2.3 Robustness of TR- and IC-Based Systems 142 -- 6.3 Two Schemes of UWB MIMO TR Systems 145 -- 6.3.1 Full TR Scheme 146 -- 6.3.2 Diagonal TR Scheme 149 -- 6.4 Pre-Equalizer Design for Spatial Multiplexing UWB SIMO TR Systems 151 -- 6.4.1 System Description 151 -- 6.4.2 Pre-Equalizer Design 152 -- 6.4.3 Numerical Results 156 -- 6.5 Antenna Selection for Time-Reversal UWB MIMO Systems 161 -- 6.6 Impact of Channel Imperfection on UWB TR Systems 163 -- 6.6.1 Channel Model 163 -- 6.6.2 Analysis of UWB SISO TR Systems 165 -- 6.6.3 Analysis of UWB MIMO TR Systems 175 -- 6.6.4 MISO TR Multiuser Communications 179 -- 6.6.5 Numerical Results 182 -- 6.7 Summary 189 -- 7 UWB Relay Systems 191 -- 7.1 Introduction 191 -- 7.2 UWB Relay Systems with SISO at Source and Destination 194 -- 7.2.1 Coherent Detection Systems 194 -- 7.2.2 Noncoherent Detection Systems 201 -- 7.2.3 Numerical Results and Concluding Remarks 206 -- 7.3 UWB Relay Systems with MIMO at Source and Destination 211 -- 7.3.1 Channel and System Models 212 -- 7.3.2 Receiver-CSI-Assisted Relay Systems 213 -- 7.3.3 Transmitter-CSI-Assisted Relay Systems 222 -- 7.3.4 Numerical Results and Discussion 225 -- 7.4 Opportunistic Relaying for UWB Systems 231 -- 7.5 Summary 233 -- Appendix 7.A Derivations of cdfs and pdfs of J and J_ 234 -- Appendix 7.B Derivation of Equation (7.33) 237 -- Appendix 7.C The pdf of the End-to-End SNR per Bit for the DCF Relay -- System 237 -- References 239 -- Index 251.
• Sommario/riassunto: Up-to-date coverage of the cutting-edge research on UWB Systems with Multiple Antennas In this book, the authors investigate the benefits of combining UWB and MIMO technologies; highlighting five aspects of this promising research field: channel capacity, space-time coding, beamforming and localization, time-reversal transmission, and UWB-MIMO relay. The book presents a systematic and in-depth discussion for each of the hot topics, providing an insight into the cutting-edge research currently undertaken. It is expected that the ideas and approaches illustrated in this book will inspire sparks for the emerging technologies in short-range high data-rate wireless communications and other related applications. Key Features: *Provides a thorough coverage combining the UWB and MIMO, outlining the opportunities and benefits created by the combination of these technologies *Highlights five aspects of this promising research field: channel capacity, space-time coding, beamforming and localization, time-reversal transmission, and UWB-MIMO relay *Covers UWB-MIMO channel measurement and models This book will serve as an invaluable reference for academic and professional researchers in wireless communications, and graduate students. Engineers and technical ; professionals will also find the book insightful.