Circularly Polarized Dielectric Resonator Antennas.

• Author: Chaudhary, Raghvendra Kumar.
• TeilnehmendeR: Kumar, Rajkishor.; Chowdhury, Rakesh.
• Place / Publishing House: Norwood : : Artech House,, 2021.; ©2021.
• Ano de Publicação: 2021
• Edição: 1st ed.
• Idioma: English
• Descrição Física: 1 online resource (271 pages)

Table of Contents

Intro -- Circularly Polarized DielectricResonator Antennas -- Contents -- 1 Introductory Remarks -- 1.1 Introduction to Circular Polarization -- 1.2 Brief Overview of Different Polarization States -- 1.3 History of Dielectric Resonators -- 1.4 Basic Features of Dielectric Resonator Antennas -- 1.5 Circular Polarization in Dielectric Resonator Antennas -- 1.6 Agenda of the Book -- References -- 2 Dielectric Resonator Antenna Theory -- 2.1 Dielectric Resonator as Circuit Element -- 2.2 Dielectric Resonators as Antenna Element -- 2.3 Mode Classification in Dielectric Resonators -- 2.4 Shapes of Dielectric Resonators -- 2.4.1 Hemispherical DRA -- 2.4.2 Cylindrical DRA -- 2.4.3 Rectangular DRA -- 2.5 Coupling Mechanism of Dielectric Resonator Antenna -- 2.5.1 Coaxial Probe Coupling -- 2.5.2 Microstrip Coupling -- 2.5.3 Conformal Coupling -- 2.5.4 Aperture Coupling -- 2.5.5 Coplanar Waveguide Feed Coupling -- 2.6 Circular Polarization Generation Approaches in DRAs -- References -- 3 Circular Polarization Analysis in Dielectric Resonator Antennas Using the Microstrip Coupling Technique -- 3.1 Introduction to the Microstrip Coupling Technique -- 3.2 Design Example Using Microstrip Coupling for CP Generation -- 3.2.1 Antenna Configuration -- 3.2.2 Operating Mechanism -- 3.2.3 Electric-Field Distributions in the Rectangular DRA -- 3.2.4 The Role of Partial Ground Plane -- 3.2.5 Analysis of Simulated Results -- 3.3 CP Generation in Conventional DRA Configurations -- 3.3.1 Single-Point-Fed -- 3.3.2 Single-Point-Fed with Shorted/Open-Ended Stubs -- 3.3.3 Single-Point-Fed along with Parasitic Metallic Plates/Strip -- 3.4 CP Generation in Nonconventional DRA Configurations -- 3.4.1 Single-Point-Fed -- 3.4.2 Dual-Point-Fed -- 3.5 CP Generation in Multiple DRA Configurations -- 3.5.1 Single-Point-Fed -- 3.5.2 Dual-/Multiple-Point-Fed.

3.6 Microstrip Coupling in MIMO-DRA Configurations for CP -- 3.7 Microstrip Coupling in Array Configurations for CP -- 3.8 Microstrip Coupling in Filtering DRA Configurations -- 3.9 Summary -- References -- 4 Circular Polarization Analysis in Dielectric Resonator Antenna Using Conformal Coupling Technique -- 4.1 Introduction to the Conformal Coupling Technique -- 4.2 Design Methodology of Conformal Coupling Technique CP-DRAs -- 4.2.1 Antenna Element Configuration -- 4.2.2 Operating Mechanism -- 4.2.3 E-field Distributions of the Cylindrical DRA -- 4.2.4 Key Parameter-Feeding Network -- 4.2.5 Simulated Near- and Far-Field Results Analysis -- 4.3 Conformal Coupling in a Conventional DRA -- 4.3.1 Single-Point Conformal-Fed Convention Single DRA -- 4.3.2 Single-Point Conformal-Fed along with Shorted/Open-Ended Stubs on a Single DRA -- 4.3.3 Dual-/Multiple-Point Conformal-Fed on a Single DRA -- 4.4 Conformal Coupling in a Modified DRA for CP Configuration -- 4.4.1 Single-Point Conformal-Fed with a Modified DRA -- 4.4.2 Dual-Point Conformal Fed with a Modified Single DRA -- 4.5 Conformal Coupling in Multiple DRAs for CP Configuration -- 4.5.1 Single-Point Conformal-Fed Multiple DRA -- 4.5.2 Dual-/Multiple-Point Conformal-Fed Multiple DRA -- 4.6 Conformal Strip Coupling in MIMO CP-DRA Configuration -- 4.7 Conformal Coupling Array and Filtering CP-DRA Configuration -- 4.7.1 Conformal Strip-Fed Circularly Polarized DRA Array -- 4.7.2 Conformal Strip-Fed Circularly Polarized DRA Filter -- 4.8 Summary -- References -- 5 Coplanar Waveguide-Fed Dielectric Resonator Antenna for Circular Polarization -- 5.1 Introduction to Coplanar Waveguide Feeding Technique -- 5.2 CP Generation Techniques in DRAs Using CPW Feeding -- 5.3 Design Example for a CPW-Fed Circularly Polarized DRA -- 5.3.1 Antenna Design Methodology and Discussion -- 5.4 Summary -- References.

6 Aperture-Fed Dielectric Resonator Antennas for Circular Polarization -- 6.1 Introduction to the Aperture Coupling Technique -- 6.2 CP Generation Using Rectangular Slot Coupling -- 6.2.1 Dual-Point Slot-Fed DRAs for Circular Polarization -- 6.2.2 Single-Point Slot-Fed Conventional DRAs for Circular Polarization -- 6.2.3 Single-Point-Fed Multielement Conventional DRAs for CP -- 6.2.4 Single-Point-Fed Nonconventional DRAs for Circular Polarization -- 6.3 CP Generation Using Cross Slot Coupling -- 6.4 CP Generation Using the Annular Slot Coupling Technique -- 6.5 Different Shapes of DRAs Coupled with Modified Slot -- 6.6 Design Example of a Cross-Slot DRA for CP Generation -- 6.7 Circular Polarization in Different Applications of DRAs -- 6.8 Comparison between Various Aperture-Fed Methods -- 6.9 Summary -- References -- 7 Coaxial Probe-Fed Dielectric Resonator Antennas for Circular Polarization -- 7.1 Introduction to the Coaxial Probe-Feeding Technique -- 7.2 CP Generation in Conventional DRAs -- 7.2.1 Dual-Feed Technique -- 7.2.2 Single-Feed Technique -- 7.2.3 Design Example for CP Generation in a Conventional DRA -- 7.3 CP Generation in Nonconventional DRAs -- 7.4 CP Generation in Multielement DRAs -- 7.5 Probe-Fed Circularly Polarized DRAs for Other Applications -- 7.6 Summary -- References -- 8 Sectorization Approach in Dielectric Resonator Antennas for Circular Polarization -- 8.1 Introduction to the Sectorization Technique -- 8.2 The Sectorization Technique in Cylindrical DRAs -- 8.2.1 Mode Nomenclature in Sectored CDRAs -- 8.2.2 Analysis of Circular Polarization in Sectored Cylindrical DRAs -- 8.3 The Sectorization Technique in Hemispherical DRAs -- 8.3.1 Past Research on Sectorization Techniques in Hemispherical DRAs -- 8.3.2 Analysis of Circular Polarization in Sectored HDRAs -- 8.4 A New CP Generation Approach in DRAs Using Sectorization.

8.4.1 Analysis of Circular Polarization in Modified Geometry -- 8.5 The Sectorization Technique in CP-MIMO Antennas -- 8.6 Summary -- References -- 9 The State of the Art in Circularly Polarized Dielectric Resonator Antennas -- 9.1 Circularly Polarized DRAs in Substrate Integrated Waveguide Technology -- 9.2 Techniques Using Circularly Polarized Liquid DRAs -- 9.3 Miscellaneous Research Areas in Circularly Polarized DRAs -- 9.4 Concluding Remarks -- References -- About the Authors -- Index.