Dielectric Resonator Antennas.

• Author: Mukherjee, Biswajeet.
• TeilnehmendeR: Chauhan, Monika.
• Place / Publishing House: Norwood : : Artech House,, 2021.; ©2021.
• Year of Publication: 2021
• Edición: 1st ed.
• Idioma: English
• Descrición Física: 1 online resource (215 pages)

Table of Contents

• Dielectric Resonator Antennas
• Contents
• Acknowledgments
• 1 Introduction to Dielectric Resonator Antennas
• 1.1 Genesis of Dielectric Materials as Radiators
• 1.2 RDRAs and Their Modes
• 1.3 CDRA and Its Modes
• 1.4 HDRA and Its Modes
• 1.5 Equilateral Triangular DRA and Its Modes
• 1.6 Conclusion
• References
• 2 DRA Bandwidth Enhancement Techniques
• 2.1 Various Feeding Methods
• 2.1.1 Coaxial Probe Feed
• 2.1.2 Microstrip Feeding
• 2.1.3 Aperture or Slot Feeding
• 2.2 Bandwidth Enhanced by Stacking of Various Permittivity Layers
• 2.3 Metallic Loading
• 2.4 Compact and Low-Profile Geometry
• 2.5 Fractal- and Reform-Shaped Geometry
• 2.6 Conclusion
• References
• 3 DRA CP Techniques
• 3.1 Circular Polarization by the Single-Feed Technique
• 3.2 CP by Multiple-Feeding Techniques
• 3.3 CP by Geometry Modification Techniques
• 3.4 CP by the Array Configuration Technique
• 3.5 CP by Switchable Feeding Techniques
• 3.6 Conclusion
• References
• 4 DRA Gain-Enhancement Techniques
• 4.1 Gain Enhancement by Loading a Metamaterial or Frequency-Selective Surface on a DRA
• 4.2 Gain Enhanced by Metal Integration of the DRA
• 4.3 Gain Enhanced by Higher-Order Modes
• 4.4 Enhancing Gain with a Dielectric Resonator Array System
• 4.5 Enhancing Gain by Stacking Various Materials
• 4.6 Conclusion
• References
• 5 Multiple-Input and Multiple-Output DRAs and Diversity Applications
• 5.1 MIMO Antenna Characteristics and Attributes
• 5.1.1 Reflection Coefficient (R)
• 5.1.2 Transmission Coefficient (t)
• 5.1.3 Envelope Correlation Coefficient
• 5.1.4 Channel Capacity Loss
• 5.1.5 Mean Effective Gain
• 5.1.6 Total Active-Reflection Coefficient
• 5.2 Single-DRA Element with Dual- or Multiple-Feeding Techniques for MIMO Applications
• 5.3 Dual-DRA Elements with Dual- or Multiple-Feeding Techniques for MIMO Applications.
• 5.4 Multiple DRA Elements with Multiple Feeds for MIMO Applications
• 5.5 Conclusion
• References
• 6 Fabrication, Experimental Setup, Measurement, and Practical Considerations
• 6.1 Dielectric Material and Its Selection
• 6.2 Limitations in Practical DRA Considerations
• 6.3 Fabrication Methods and Machines
• 6.4 Various Measurements of the DRA
• 6.4.1 Measurement of the S-Parameter
• 6.4.2 Far-Field Measurement Setup
• 6.4.3 Gain and Antenna Radiation Efficiency Measurements
• 6.4.4 CP Measurements
• 6.5 Conclusion
• References
• About the Authors
• Index.