Journal ArticleDOI
Circularly polarized slot-coupled dielectric resonator antenna with a parasitic patch
Kwok Wa Leung,W.C. Wong,H.K. Ng +2 more
TLDR
In this article, the authors investigated the return loss, axial ratio, radiation pattern, and antenna gain of the circularly polarized slot-coupled cylindrical dielectric resonator antenna with a parasitic patch.Abstract:
The circularly polarized slot-coupled cylindrical dielectric resonator antenna with a parasitic patch is investigated experimentally. The return loss, axial ratio, radiation pattern, and antenna gain of the antenna are studied and the effects of varying the parasitic patch are discussed.read more
Citations
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Book ChapterDOI
Dielectric Resonator Antennas
H. K. Ng,Kwok Wa Leung +1 more
TL;DR: Linearly and circularly polarized conformal strip-fed dielectric resonator antennas (DRAs) are studied in this article, where a parasitic patch is used to excite a nearly degenerate mode.
Journal ArticleDOI
Dielectric Resonator Antennas: Basic Concepts, Design Guidelines, and Recent Developments at Millimeter-Wave Frequencies
Shady Keyrouz,Diego Caratelli +1 more
TL;DR: An up-to-date literature overview on relevant approaches for controlling circuital characteristics and radiation properties of dielectric resonator antennas (DRAs) is presented in this paper.
Journal ArticleDOI
60 GHz Aperture-Coupled Dielectric Resonator Antennas Fed by a Half-Mode Substrate Integrated Waveguide
TL;DR: In this article, a 60 GHz linearly polarized integrated waveguide (HMSIW)-fed dielectric resonator antenna with a transverse rectangular slot to feed a cylinder was proposed.
Journal ArticleDOI
New Half-Hemispherical Dielectric Resonator Antenna for Broadband Monopole-Type Radiation
Debatosh Guha,Yahia M. M. Antar +1 more
TL;DR: In this article, a half-hemispherical dielectric resonator antenna (h-HDRA) is proposed and a two-element h-HDRA configuration is employed to design a broadband monopole-type radiator.
Journal ArticleDOI
The slot-coupled hemispherical dielectric resonator antenna with a parasitic patch: applications to the circularly polarized antenna and wide-band antenna
Kwok Wa Leung,H.K. Ng +1 more
TL;DR: In this article, an aperture-coupled hemispherical dielectric resonator antenna (DRA) with a parasitic patch is studied rigorously using the Green's function approach, integral equations for the unknown patch and slot currents are formulated and solved using the method of moments.
References
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Journal ArticleDOI
The resonant cylindrical dielectric cavity antenna
TL;DR: In this article, an experimental investigation of the radiation and circuit properties of a resonant cylindrical dielectric cavity antenna has been undertaken, and a simple theory utilizing the magnetic wall boundary condition is shown to correlate well with measured results for radiation patterns and resonant frequencies.
Journal ArticleDOI
Theory and experiment of an aperture-coupled hemispherical dielectric resonator antenna
TL;DR: A hemispherical dielectric resonator (DR) antenna using aperture coupling for excitation is studied both theoretically and experimentally in this article, where the reciprocity method is used to formulate the problem.
Journal ArticleDOI
Conformal strip excitation of dielectric resonator antenna
TL;DR: In this paper, a new excitation scheme that employs a conducting conformal strip is proposed for dielectric resonator antenna (DRA) excitation, which is successfully demonstrated by using a hemispherical DRA whose exact Green function is found using the mode-matching method.
Journal ArticleDOI
Circular-polarised dielectric resonator antenna excited by dual conformal strips
TL;DR: In this paper, a circular-polarized cylindrical dielectric resonator antenna excited by dual conformal strips is investigated experimentally, which offers a wide axial-ratio bandwidth of 20%.
Journal ArticleDOI
Theory and experiment of circularly polarized dielectric resonator antenna with a parasitic patch
Kwok Wa Leung,H.K. Ng +1 more
TL;DR: In this article, a single parasitic patch for circular polarization excitation of the dielectric resonator antenna (DRA) is investigated, and the integral equations for the conformal-strip and parasitic-patch currents are formulated by matching the appropriate boundary conditions.
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