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Ultra Wideband Systems with MIMO

ISBN: 978-0-470-71224-5
266 pages
April 2010
Ultra Wideband Systems with MIMO (0470712244) cover image


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

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Table of Contents


1 Introduction

1.1 Introduction

1.2 UWB Basics

1.3 MIMO Principle

1.4 State of the Art UWB-MIMO

1.5 Scope of This Book

1.6 Notations

2 UWB MIMO Channel Measurement and Models

2.1 UWB SISO Channel Model

2.2 UWB MIMO Channel Model

2.3 Channel Measurement

2.4 Ray Tracing Simulation Tool

2.5 Summary

3 UWB Channel Capacity

3.1 Introduction

3.2 System Model

3.3 Channel Capacity with Unknown CSI at the Transmitter

3.4 Channel Capacity with Known CSI at the Transmitter

3.5 Special Case: SISO with Two Paths

3.6 Simulation Results

3.7 Channel Correlation

3.8 Measured Channel Capacity

3.9 Summary

4 UWB-MIMO Space-Time Coding

4.1 Introduction

4.2 A Revisit of Alamouti Space-Time Coding for Narrowband Systems

4.3 Alamouti Space-Time Coding for UWB Systems

4.4 General Space-Time Coding for UWB Systems

4.5 Performance of Antenna Selection

4.6 Spatio-FrequencyMultiplexing in Multiband OFDM Based UWB Systems

4.7 Summary

5 UWB Beamforming and Localization

5.1 Introduction

5.2 Ideal UWB Impulse Beamforming

5.3 The Main Lobe Beamwidth of UWB Beamformers

5.4 Optimal Beamforming

5.5 Various Aspects of UWB Beamformers

5.6 UWB Localization

5.7 NLOS Issue

5.8 Multipath Issue

5.9 Summary

Appendix A Distribution of Ranging Noise

6 Time Reversal UWB Systems

6.1 Introduction

6.2 Motivation for the Time Reversal Approach in UWB Systems

6.3 Two Schemes of UWB MIMO TR Systems

6.4 Pre-equalizer Design for Spatial Multiplexing UWB SIMO TR Systems

6.5 Antenna Selection for Time Reversal MIMO UWB Systems

6.6 Impact of Channel Imperfection on UWB TR Systems

6.7 Summary

7 UWB Relay Systems

7.1 Introduction

7.2 UWB Relay Systems with SISO at Source and Destination

7.3 UWB Relay Systems with MIMO at Source and Destination

7.4 Opportunistic Relaying for UWB Systems

7.5 Summary

Appendix A

A.1 Derivations of cdfs and pdfs of J and J _

A.2 Derivation of Equation(7.33)

A.2 The pdf of the End-to-End SNR per Bit for the DCF Relay System


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