Bookstore

Practical, concise and complete reference for the basics of modern antenna design Antennas: from Theory to Practice discusses the basics of modern antenna design and theory. Developed specifically for engineers and designers who work with radio communications, radar and RF engineering, this book offers practical and hands-on treatment of antenna theory and techniques, and provides its readers the skills to analyse, design and measure various antennas. Key features: * Provides thorough coverage on the basics of transmission lines, radio waves and propagation, and antenna analysis and design * Discusses industrial standard design software tools, and antenna measurement equipment, facilities and techniques * Covers electrically small antennas, mobile antennas, UWB antennas and new materials for antennas * Also discusses reconfigurable antennas, RFID antennas, Wide-band and multi-band antennas, radar antennas, and MIMO antennas * Design examples of various antennas are provided * Written in a practical and concise manner by authors who are experts in antenna design, with experience from both academia and industry This book will be an invaluable resource for engineers and designers working in RF engineering, radar and radio communications, seeking a comprehensive and practical introduction to the basics of antenna design. The book can also be used as a textbook for advanced students entering a profession in this field.

Antennas: From Theory to Practice

Preface.

List of Symbols.

1. Introduction.

1.1 A Short History of Antennas.

1.2 Radio Systems and Antennas.

1.3 Necessary Mathematics.

1.4 Basics of Electromagnetics.

Summary.

References.

Problems.

2. Circuit Concepts and Transmission Lines.

2.1 Circuit Concepts.

2.2 Transmission Line Theory.

2.3 The Smith Chart and Impedance Matching.

2.4 Various Transmission Lines.

2.5 Connectors.

Summary.

References.

Problems.

3. Field Concepts and Radiowaves.

3.1 Wave Equation and Solutions.

3.2 Plane Wave, Intrinsic Impedance and Polarisation.

3.3 Radiowave Propagation Mechanisms.

3.4 Radiowave Propagation Characteristics in Media.

3.5 Radiowave Propagation Models.

3.6 Comparison of Circuit Concepts and Field Concepts.

Summary.

References.

Problems.

4. Antenna Basics 125.

4.1 Antennas to Radiowaves.

4.2 Antennas to Transmission Lines.

Summary.

References.

Problems.

5. Popular Antennas.

5.1 Wire-Type Antennas.

5.2 Aperture-Type Antennas.

5.3 Antenna arrays.

5.4 Some Practical Considerations.

Summary.

References.

Problems.

6. Computer Aided Antenna Design and Analysis.

6.1 Introduction.

6.2 Computational Electromagnetics for Antennas.

6.3 Examples of Computer Aided Design and Analysis.

Summary.

References.

Problems.

7. Antenna Manufacturing and Measurements.

7.1 Antenna Manufacturing.

7.2 Antenna Measurement Basics.

7.3 Impedance, S11, VSWR, and Return Loss.

7.4 Radiation Pattern Measurements.

7.5 Gain Measurements.

7.6 Miscellaneous Topics.

Summary.

References.

Problems.

8. Special Topics.

8.1 Electrically Small Antennas.

Introduction.

Slope Parameters.

Impedance Bandwidth.

Fundamental Limits of Antenna Size, Q and Efficiency.

The Limits of Bandwidth Broadening.

Discussions and Conclusions.

Top Loading.

Matching.

Reactive Loading.

Dielectric Loading.

8.2 Mobile Antennas, Antenna Diversity and Human Body Effects.

The Cellular Frequency Bands.

The "Connectivity" Frequency Bands.

Typical Antenna Types.

a). Monopoles.

b). Helical Antennas.

c). Monopole-Like Antennas.

d). Planar Inverted F Antennas.

The Effect of the PCB.

Specific Absorption Rate (SAR).

Multipath and Mean Effective Gain.

De-correlation Methods.

a). Polarisation Diversity.

b). Spatial Diversity.

c). Radiation Pattern Diversity.

Combining Methods.

a). Switched Combining (SWC).

b). Selection Combining (SC).

c). Equal Gain (EGC).

d). Maximal Ratio (MRC).

The Effect of Branch Correlation.

The Effect of Unequal Branch Powers.

Examples of Diversity Antennas.

MIMO Antennas.

Introduction.

Body Materials.

Typical Losses.

8.3 Multi-band and Ultra Wideband Antennas.

Techniques.

a). Higher Order Resonances.

b). Resonant Traps.

c). Combined Resonant Structures.

c). Parasitic Resonators.

Examples.

8.4 RFID Antennas.

8.5 Reconfigurable Antennas.

Summary.

References.

9. Appendix.

9.1 Industry Standard Coaxial Cables.

9.2 Connectors.

9.3 Selection of Antenna Simulation Software on the Market.