Ultra Wide Band Antennas 1st Edition by Xavier Begaud 1848212321 9781848212329

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ISBN 10: 1848212321 

ISBN 13: 9781848212329

Author: Xavier Begaud

Ultra Wide Band Technology (UWB) has reached a level of maturity that allows us to offer wireless links with either high or low data rates. These wireless links are frequently associated with a location capability for which ultimate accuracy varies with the inverse of the frequency bandwidth. Using time or frequency domain waveforms, they are currently the subject of international standards facilitating their commercial implementation. Drawing up a complete state of the art, Ultra Wide Band Antennas is aimed at students, engineers and researchers and presents a summary of internationally recognized studies.

Table of contents:

Chapter 1. Applications of Ultra Wide Band Systems
Serge HÉTHUIN and Isabelle BUCAILLE
1.1. Introduction
1.2. UWB regulation: a complex context
1.3. Formal Ultra Wide Band types
1.4. Non-formal ultra wide band types
1.5. Comparison between the different Ultra Wide Band techniques
1.6. Typical UWB-OFDM applications
1.7. Specialized UWB-OFDM applications
1.8. Typical applications of the Impulse Radio UWB, UWB-FH and UWB-FM
1.9. Impact on the antennas

Chapter 2. Radiation Characteristics of Antennas
Xavier BEGAUD
2.1. Introduction
2.2. How can we characterize an antenna?
2.3. Radiation fields and radiation power
2.4. Gain, efficiency and effective aperture
2.5. Budget link, transfer function
2.6. Equivalent circuits of the antennas
2.7. Bandwidth
2.8. Example of characterization: the triangular probe antenna in F

Chapter 3. Representation, Characterization and Modeling of Ultra Wide Band Antennas
Christophe ROBLIN
3.1. Introduction
3.2. Specificities of UWB antennas: stakes and representation
3.3. Temporal behavior, distortion
3.4. Distortion and ideality
3.5. Performance characterization: synthetic indicators
3.6. Parsimonious representation by development of singularities and spherical modes

Chapter 4. Experimental Characterization of UWB Antennas
Christophe DELAVEAUD
4.1. Introduction
4.2. Measurements of the characteristics of radiation
4.3. Measurements of the electric characteristics

Chapter 5. Overview of UWB Antennas
Nicolas FORTINO, Jean-Yves DAUVIGNAC, Georges KOSSIAVAS and Xavier BEGAUD
5.1. Classification of UWB antennas
5.2. Frequency independent antennas
5.3. Elementary antennas
5.4. Miniaturization of UWB antennas
5.5. UWB antennas for surface penetrating radars

Chapter 6. Antenna-Channel Joint Effects in UWB
Alain SIBILLE
6.1. Introduction
6.2. Recalls on the UWB radio channel
6.3. Impact of the channel on the performance of UWB systems
6.4. Effective antenna performance in an ideal channel
6.5. Effective performance of non-directional antennas in dispersive channels
6.6. Effective performance of directional antennas in dispersive channels
6.7. Factorization of antenna patterns
6.8. Conclusion

APPENDICES

Appendix A. Reciprocity of the Antennas in Reception and Transmission Modes
A.1. Reciprocity applied to waveguides
A.2. Reciprocity applied to the passive antennas in transmission and reception

Appendix B. Method of the Stationary Phase

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Tags: Xavier Begaud, Ultra, Wide, Antennas