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| Preface | |
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| Acknowledgments | |
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| Introduction | |
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| Fundamentals | |
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| Overview of UWB | |
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| A Brief History of UWB Signals | |
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| Types of UWB Signals | |
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| Regulatory, Legal, and Other Controversial Issues | |
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| What Makes UWB Unique? | |
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| Time Domain Design | |
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| Impact of the Antenna | |
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| Propagation and Channel Models | |
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| Transmitter and Receiver Design | |
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| Difficulties in Using DSP Technology | |
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| Networking Issues | |
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| Future Directions | |
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| The I-UWB System Model | |
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| Overview of the I-UWB System | |
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| Pulse Shapes | |
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| Modulation Schemes | |
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| Multiple Access Schemes | |
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| Receiver Decision Statistic | |
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| The MC-UWB System Model | |
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| Overview of the MC-UWB System | |
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| OFDM UWB | |
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| Overview of the Book | |
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| Channel Measurement and Simulation | |
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| Introduction | |
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| Measurement Techniques | |
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| Time Domain Measurement Techniques | |
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| Frequency Domain Measurement Techniques | |
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| Measurement Results | |
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| Typical Results for Time Domain Measurements | |
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| Typical Results for Frequency Domain Measurements | |
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| The Role of Antennas | |
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| Impact of Building Architecture and Properties of Building Materials | |
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| Electromagnetic Simulation of UWB Propagation in Indoor Environments | |
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| Simulation of Transmitting and Receiving Antennas | |
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| Simulation of the UWB Channel | |
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| Organization of the Electromagnetic Simulator | |
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| Comparisons of Measurement and Simulation Results | |
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| Summary | |
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| Channel Modeling | |
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| Introduction | |
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| What's Different About UWB? | |
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| Large-Scale Channel Modeling | |
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| Free-Space Path Loss Modeling: The Friis Transmission Formula | |
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| Path Loss Modeling for Non-Free-Space Environments | |
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| Frequency Dependent Models | |
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| Partition Dependent Approaches | |
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| Large-Scale Modeling Studies | |
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| Antenna Impact on Large-Scale Modeling | |
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| Better than Free-Space Propagation | |
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| Receiver-Dependent Path Loss Models | |
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| Shadowing | |
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| Link Budget Calculations | |
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| Small-Scale Channel Modeling | |
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| Statistical Modeling of the Channel Impulse Response | |
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| Saleh-Valenzuela Model | |
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| [Delta]-K Model | |
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| Single Poisson Model | |
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| Modified Poisson Model | |
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| Split-Poisson Model | |
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| Effect of Model Parameters | |
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| Stochastic Tapped-Delay Line Model | |
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| Amplitude Statistics | |
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| Summary of Measurement Campaigns and Modeling Efforts | |
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| Spatial Behavior and Modeling of UWB Signals | |
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| Introduction | |
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| Spatial Fading | |
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| Spatial Fading of Signal Components | |
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| Spatial Correlation | |
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| A Two-Dimensional Channel Model for UWB Indoor Propagation | |
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| Impact of Frequency Distortion on Discrete Channel Modeling | |
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| The CLEAN Algorithm | |
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| Impact of Frequency Dependent Distortion | |
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| Impact of Reflections | |
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| Summary | |
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| Antennas | |
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| Basic Properties of Antennas | |
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| Reciprocity and Antenna Effective Length | |
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| Directivity, Gain, and Related Definitions | |
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| A Link Model Using S-Parameters | |
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| Link Budget Concepts | |
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| Fundamental Limits of Antennas | |
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| Antenna Measurements and Modeling in the Time Domain | |
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| Basic Responses | |
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| UWB Performance | |
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| Frequency and Time Relationships | |
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| Pattern Concept in Time | |
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| Time Domain Modeling (A Minimal Approach) | |
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| Transient Responses of Scatterers | |
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| Summary | |
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| Transmitter Design | |
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| I-UWB Signal Generators | |
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| Avalanche Pulse Generators | |
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| Step Recovery Diode Pulse Generators | |
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| Tunnel Diode Pulsers | |
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| Pulse Circuits Suitable for Integrated Circuits | |
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| Modulators | |
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| I-UWB Transmitters | |
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| TH-PPM and TH-(A-PAM) UWB Signals | |
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| OOC-PPM UWB Signals | |
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| DS-UWB Signals | |
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| Transmitter Reference (TR) UWB System | |
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| MC-UWB Transmitters | |
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| CI-UWB Signals | |
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| FH-UWB System | |
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| OFDM-UWB System | |
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| Spectral Encoded UWB Communication System | |
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| Summary | |
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| Receiver Design Principles | |
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| I-UWB Radio Receivers | |
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| System Model | |
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| Threshold/Leading Edge Detection | |
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| Correlation Detection (CD) Receivers | |
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| RAKE Receivers | |
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| Multi-User Detection (MUD) UWB Receivers | |
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| Hybrid RAKE/MUD UWB Receivers | |
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| Other I-UWB Receivers | |
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| Autocorrelation Transmitted Reference (TR) UWB Receiver | |
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| Synchronization and Timing Issues | |
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| Digital I-UWB Implementation | |
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| Example of IEEE Proposed Standards for PPM and DS-Based UWB Receivers | |
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| MC-UWB Receivers | |
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| Carrier Interferometry (CI) UWB Receiver | |
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| Frequency Hopped (FH) UWB Receivers | |
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| OFDM-UWB Receivers | |
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| Example on IEEE Proposed Standard for MC and OFDM-Based UWB Receivers | |
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| Spectral Encoded UWB Communication System | |
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| Case Study: Improving Range of UWB Using RAKE Receivers | |
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| GSC(N, L) with Independent but Nonidentically Distributed Fading Statistics | |
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| PMRC(N, L) with Independent but Nonidentically Distributed Fading Statistics | |
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| GSC(N, L) with Equally Correlated Nakagami-m Fading Statistics | |
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| Summary | |
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| On the Coexistence of UWB and Narrowband Radio Systems | |
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| Introduction | |
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| Interference of UWB on NB: Waveform Analysis | |
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| UWB Pulse Model | |
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| Effect of NB Receive Filter | |
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| BER Analysis | |
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| Time-Hopped Case | |
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| Simulation Results | |
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| Aggregate UWB Interference Modeling | |
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| Received Power | |
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| Asymptotic Pdf of Aggregate Noise | |
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| Amplitudes: Aggregate Pdf | |
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| Bernoulli and Poisson Models | |
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| Simulation Examples | |
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| Interference Analysis: NB on UWB | |
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| Interference Analysis: UWB on UWB | |
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| Summary | |
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| Simulation | |
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| What's Different about UWB System Simulations? | |
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| Direct/Quadrature Signal Decomposition | |
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| Model Development for UWB Systems | |
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| UWB Simulation Development Challenges | |
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| Developing a Simulation | |
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| Simulation Methodologies-A Brief Review | |
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| Monte Carlo Simulation Techniques | |
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| Semi-Analytic Simulation Techniques | |
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| Discrete Event Simulation Techniques | |
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| Multicarrier UWB (MC-UWB) Simulation | |
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| UWB Component Simulation | |
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| UWB Pulse Generation and Modulation | |
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| Signal Amplification | |
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| Simulation of Antenna Effects | |
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| Simulation of UWB Channels | |
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| Summary | |
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| Networking | |
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| How Is UWB Networking Different? | |
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| UWB Physical Layer Issues | |
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| Data Link Layer Design | |
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| Objectives of the Data Link Layer | |
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| Contention-Based Medium Access Control | |
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| Channel Partition Medium Access Control | |
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| Multiple Access Protocols for UWB Networks | |
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| Forward Error Correction and Automatic Repeat Request | |
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| UWB Multiple Hop Ad Hoc Networks | |
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| Hierarchical Network Topologies | |
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| Flat Network Topologies | |
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| Other Networking Issues | |
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| TCP Performance in a Wireless Environment | |
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| Quality of Service Management | |
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| Summary | |
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| Applications and Case Studies | |
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| Specialized Applications for UWB Signals | |
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| Applications | |
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| High Resolution Radar Applications | |
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| Communications Applications | |
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| Location Aware Communications Applications | |
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| Channel Sounding Applications | |
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| Case Studies | |
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| XtremeSpectrum Incorporated (XSI)/Motorola Trinity Chipset | |
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| Time Domain Corp-PulsON Chipset | |
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| Multispectral Solutions Incorporated (MSSI) | |
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| Aether Wire and Location Localizers | |
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| 802.15.3a | |
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| 802.15.4a Devices | |
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| Summary | |
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| Range Analysis of UWB Signals Using Time of Arrival | |
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| UWB Standards for WPANs | |
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| IEEE 802.15.3/3a MAC | |
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| IEEE 802.15.3a PHY | |
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| MB-OFDM PHY | |
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| DS-UWB PHY | |
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| Summary | |
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| UWB Regulations | |
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| FCC | |
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| World | |
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| About the Editor | |
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| About the Authors | |
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| Index | |