Results 21 to 30 of about 2,082 (227)
Advanced Electromagnetics, 2015 The radiation characteristics of the dielectric resonator antennas (DRA) is enhanced using different types of solid and discrete dielectric lenses. One of these approaches is by loading the DRA with planar superstrate, spherical lens, or by discrete lens
H. A. E. Malhat +3 more
doaj +1 more source
EURASIP Journal on Wireless Communications and Networking, 2022 High isolation between massive MIMO antenna elements is one of the important parameters that improves antenna performance, especially for 5G communication applications.
Efri Sandi +2 more
doaj +1 more source
Circularly polarized dielectric resonator antenna excited by a conformal wire [PDF]
, 2008 A conformal spiral wire has been used to feed a dielectric resonator antenna to obtain a circular polarization. The parameters of the spiral have been optimized numerically so that minimum axial ratio (AR) and return losses are achieved.
Khamas, S.K.
core +1 more source
Thermally tunable slot-coupled dielectric resonator antenna
AIP Advances, 2017 A thermally tunable slot-coupled dielectric resonator antenna (DRA) has been designed and prepared by placing a thermosensitive ceramic resonator onto the slot.
Ke Bi +7 more
doaj +1 more source
MM-Wave High Isolated Dual Polarized Dielectric Resonator Antenna for In-Band Full-Duplex Systems
IEEE Access, 2023 A novel high-isolation dual-polarized in-band full-duplex (IBFD) dielectric resonator antenna (DRA) for satellite communications using a decoupling structure is proposed.
Mohammad Abedian +5 more
doaj +1 more source
Cost-efficient modeling of antenna structures using Gradient Enhanced Kriging [PDF]
, 2015 Reliable yet fast surrogate models are indispensable in the design of contemporary antenna structures. Data-driven models, e.g., based on Gaussian Processes or support-vector regression, offer sufficient flexibility and speed, however, their setup cost ...
Bekasiewicz, A +5 more
core +2 more sources
International Journal of Antennas and Propagation, 2017 By loading two printed patches to the dielectric resonator antenna (DRA), a compact wide-band hybrid dielectric resonator antenna with enhanced gain and low cross-polarization is presented.
Feibiao Dong +3 more
doaj +1 more source
Electromagnetic radiation by antennas of arbitrary shape in a layered spherical media [PDF]
, 2009 A unified method of moments model is developed for the analysis of arbitrarily shaped antennas that are radiating next to a multilayered dielectric sphere.
Khamas, S.K.
core +1 more source
Improved Design of a Broadband Dielectric Resonator Antenna with Wide Beam
International Journal of Antennas and Propagation, 2018 A wide-beam and broadband dielectric resonator antenna (DRA) with broadside pattern is proposed and analyzed. The excellent performance of wide beam is achieved by designing the metal ground. In addition, the antenna has broad bandwidth by introducing an
Yan He, Weihua Wang, Hu Yang, Xiangyu Du
doaj +1 more source
Parametric Study of a Fully 3D-Printed Dielectric Resonator Antenna Loaded With a Metallic Cap
IEEE Access, 2021 This article presents a parametric study of a fully 3D-printed hemispherical dielectric resonator antenna (DRA) using low loss dielectric filament and high-conductive filaments jointly with a low-cost customized dual-extruding 3D printer.
Matias Cuevas +4 more
doaj +1 more source