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| Preface | |
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| Acknowledgments | |
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| List of Figures | |
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| List of Tables | |
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| Introduction | |
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| Ultra wideband overview | |
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| A note on terminology | |
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| Historical development of UWB | |
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| UWB regulation overview | |
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| Basic definitions and rules | |
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| Key benefits of UWB | |
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| UWB and Shannon''s theory | |
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| Challenges for UWB | |
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| Summary | |
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| Basic properties of UWB signals and systems | |
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| Introduction | |
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| Power spectral density | |
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| Pulse shape | |
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| Pulse trains | |
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| Spectral masks | |
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| Multipath | |
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| Penetration characteristics | |
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| Spatial and spectral capacities | |
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| Speed of data transmission | |
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| Cost | |
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| Size | |
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| Power consumption | |
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| Summary | |
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| Generation of UWB waveforms | |
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| Introduction | |
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| Damped sine waves | |
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| Gaussian waveforms | |
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| Designing waveforms for specific spectral masks | |
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| Introduction | |
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| Multiband modulation | |
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| Practical constraints and effects of imperfections | |
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| Summary | |
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| Signal-processing techniques for UWB systems | |
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| The effects of a lossy medium on a UWB transmitted signal | |
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| Time domain analysis | |
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| Classification of signals | |
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| Some useful functions | |
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| Some useful operations | |
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| Classification of systems | |
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| Impulse response | |
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| Distortionless transmission | |
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| Frequency domain techniques | |
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| Fourier transforms | |
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| Frequency response approaches | |
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| Transfer function | |
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| Laplace transform | |
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| z-transform | |
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| The relationship between the Laplace transform, the Fourier transform, and the z-transform | |
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| UWB signal-processing issues and algorithms | |
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| Detection and amplification | |
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| Summary | |
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| UWB channel modeling | |
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| A simplified UWB multipath channel model | |
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| Number of resolvable multipath components | |
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| Multipath delay spread | |
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| Multipath intensity profile | |
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| Multipath amplitude-fading distribution | |
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| Multipath arrival times | |
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| Path loss model | |
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| Free space loss | |
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| Refraction | |
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| Reflection | |
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| Diffraction | |
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| Wave clutter | |
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| Aperture-medium coupling loss | |
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| Absorption | |
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| Example of free space path loss model | |
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| Two-ray UWB propagation model | |
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| Two-ray path loss | |
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| Two-ray path loss model | |
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| Impact of path loss frequency selectivity on UWB transmission | |
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| Frequency domain autoregressive model | |
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| Poles of the AR model | |
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| IEEE proposals for UWB channel models | |
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| An analytical description of the IEEE UWB indoor channel model | |
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| Summary | |
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| UWB communications | |
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| Introduction | |
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| UWB modulation methods | |
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| PPM | |
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| BPM | |
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| Other modulation methods | |
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| OPM | |
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| PAM | |
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| OOK | |
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| Summary of UWB modulation methods | |
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| Pulse trains | |
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| Gaussian pulse train | |
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| PN channel coding | |
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| Time-hopping PPM UWB system | |
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| UWB transmitter | |
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| UWB receiver | |
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| Detection | |
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| Pulse integration | |
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| Tracking | |
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| Rake receivers | |
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| Multiple access techniques in UWB | |
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| Frequency division multiple access UWB | |
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| Time division multiple access | |
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| Code division multiple access | |
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| Orthogonal pulse multiple access system | |
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| Capacity of UWB systems | |
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| Comparison of UWB with other wideband communication systems | |
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| CDMA | |
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| Comparison of UWB with DSSS and FHSS | |
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| OFDM | |
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| Interference and coexistence of UWB with other systems | |
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| WLANs | |
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| Bluetooth | |
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| GPS | |
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| Cellular systems | |
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| Wi-Max | |
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| The effect of narrowband interference on UWB systems | |
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| Summary | |
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| Advanced UWB pulse generation | |
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| Hermite pulses | |
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| Hermite polynomials | |
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| Orthogonal modified Hermite pulses | |
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| Modulated and modified Hermite pulses | |
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| Orthogonal prolate spheroidal wave functions | |
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| Introduction | |
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| Fundamentals of PSWFs | |
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| PSWF pulse generator | |
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| Wavelet packets in UWB PSM | |
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| PSM system model | |
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| Receiver structure | |
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| Summary | |
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| UWB antennas and arrays | |
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| Antenna fundamentals | |
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| Maxwell''s equations for free space | |
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| Wavelength | |
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| Antenna duality | |
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| Impedance matching | |
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| Voltage standing wave ratio and reflected power | |
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| Antenna bandwidth | |
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| Directivity and gain | |
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| Antenna field regions | |
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| Antenna di | |