Composite and Hybrid Dielectric Resonator Antennas: Recent Advances and Challenges

Antar, Yahia M. M.; Guha, Debatosh

doi:10.1109/nrsc.2006.386313

Cited by 13 publications

(6 citation statements)

References 21 publications

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“…12, the first magnetic mode is shifted upward in frequency toward the first electric mode. It is important to recognize that dielectric inclusions of this type have been used previously for bandwidth enhancements [28] and tuning purposes [29,30].…”

Section: Inclusions and Placementmentioning

confidence: 99%

Perturbation Theory in the Design of Degenerate Rectangular Dielectric Resonators

Warne¹,

Basilio²,

Langston³

et al. 2012

PIER B

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Abstract-The design of resonators with degenerate magnetic and electric modes usually requires the ability to perturb one or both types of modes in order to induce alignment of magnetic and electric properties. In this paper perturbation theory is used to identify different types of inclusions that can be used to realize fundamentalmode degeneracy in a rectangular dielectric resonator and thus, can ultimately be used in the design of negative-index metamaterials. For reasons associated with fabrication in the infrared-frequency regime, rectangular resonator designs are of particular interest.

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Section: Inclusions and Placementmentioning

confidence: 99%

Perturbation Theory in the Design of Degenerate Rectangular Dielectric Resonators

Warne¹,

Basilio²,

Langston³

et al. 2012

PIER B

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show abstract

“…On analyzing the open literature, few review articles have also been found targeting to specific characteristics. For example, research particularly on cylindrical shape and hybrid shape has been well reviewed in refs.…”

Section: Introductionmentioning

confidence: 99%

“…For example, research particularly on cylindrical shape and hybrid shape has been well reviewed in refs. and , respectively. The articles and have mainly focused on investigations related to bandwidth, reconfigurability, compactness, and array.…”

Section: Introductionmentioning

confidence: 99%

A state-of-art review on performance improvement of dielectric resonator antennas

Dash

Khan

Antar

2018

Int J RF Microw Comput Aided Eng

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This article outlines a compressive review on investigation carried out targeting to gain, circular polarization (CP), and mutual coupling reduction in dielectric resonator antenna (DRA). The DRA has already been created a separate position in antenna engineering domain because of its adept characteristics, such as wide bandwidth, high efficiency, low‐loss, and mainly 3D‐design flexibility which is rarely available in conventional antennas. In this context, the research on gain, circular polarization, and mutual coupling are quite interesting and being carried out from the last two decades. The ultimate aim of this article is to (i) give an overview of different techniques adopted in context to gain, CP, and mutual coupling reduction; (ii) give a compressive review of notable research carried out targeting to these three characteristics; and (iii) find out the research gap concentration for furtherance of the same.

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“…As per the current trends of commercialization, the use of DRAs has been successfully analyzed and realized for numerous applications like: for different microwave bands, specific frequencies, different technologies, millimeter waves, etc. As far as the literature on review articles of DR antennas is concerned, then it is very much limited to the best of the authors' knowledge. Mongia and Bhartia have reviewed different modes and radiation characteristics of multiple DR shapes like cylindrical, ring type cylindrical, spherical, and rectangular.…”

Section: Introductionmentioning

confidence: 99%

“…They have also derived respective expressions for radiation Q‐factor, resonant frequencies, and fields for a cylindrical dielectric resonator. Antar and Guha have reviewed the new composite and hybrid DRA structures and their salient features. Moreover, they have discussed the challenges in DRA studies from the perspective of the state‐of‐the‐art developments and technologies like micromachining and integrated with MICs.…”

Section: Introductionmentioning

confidence: 99%

Dielectric resonator antennas: An application oriented survey

Dash

Khan

Де

2016

Int. J. RF Microw. Comput. Aided Eng.

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This survey article outlines a comprehensive investigation of research carried out on dielectric resonator antennas (DRAs) in the last three and half decades, in an application‐oriented approach. DRAs have created a remarkable position in antenna engineering for their adept characteristics like high efficiency, low loss, wide bandwidth, compact size, 3‐dimensional modeling flexibility, etc. The use of DRAs for different commercial and defense applications associated with the wireless communication is highlighted in this article. To make a smooth and effective survey article, all the application‐oriented DRAs available in the open literature are classified in five different categories like microwave bands, specific frequency, technology, millimeter‐wave, and miscellaneous types. The ultimate aims of this review article are as follows: (i) highlights the usability of DRAs for different commercial and defense applications, (ii) helpful for the antenna industries/manufacturers to find out the best DRA for any specific application as per their requirement, and (iii) points out research gap in some application domains which will be quite helpful for future antenna researchers. In the authors' opinion, this survey may be helpful to DRA researchers as such a survey process is not available in the open literature.

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Composite and Hybrid Dielectric Resonator Antennas: Recent Advances and Challenges

Cited by 13 publications

References 21 publications

Perturbation Theory in the Design of Degenerate Rectangular Dielectric Resonators

Perturbation Theory in the Design of Degenerate Rectangular Dielectric Resonators

A state-of-art review on performance improvement of dielectric resonator antennas

Dielectric resonator antennas: An application oriented survey

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