Results 71 to 80 of about 1,100 (220)

A Dielectric Resonator Antenna with Enhanced Gain and Bandwidth for 5G Applications

Sensors, 2020
In this paper, a dielectric resonator antenna (DRA) with high gain and wide impedance bandwidth for fifth-generation (5G) wireless communication applications is proposed. The dielectric resonator antenna is designed to operate at higher-order T E &#
Irfan Ali, Mohd Haizal Jamaluddin, Abinash Gaya, Hasliza A. Rahim   +3 more
doaj   +1 more source

Enhancing Passive Radiative Cooling Films with Hollow Yttrium‐Oxide Spheres Insights from FDTD Simulation

Macromolecular Rapid Communications, Volume 46, Issue 3, February 2025.
The figure showcases a daytime radiative cooling film that uses hollow yttrium oxide spheres within a polydimethylsiloxane matrix. This film reflects sunlight and emits long‐wave infrared radiation, effectively cooling the surface under direct sunlight. FDTD simulations confirm the scattering efficiency of the hollow spheres, highlighting their role in
Jeehoon Yu, Chanil Park, Byeongjin Kim, Sohyeon Sung, Hyun Kim, Jaeho Lee, Yong Seok Kim, Youngjae Yoo   +7 more
wiley   +1 more source

Planar wideband circularly polarized dielectric resonator antenna

, 2020
A wideband and compact circularly polarized (CP) C-shaped dielectric resonator antenna (DRA) is presented. The proposed C-shaped DR is excited by a microstrip feed in one side of the dielectric substrate. DR is housed inside the thin dielectric substrate
Khalily, M, Kamarudin, MR, Danesh, S
core   +1 more source

BANDWIDTH BROADENING OF DIELECTRIC RESONATOR ANTENNA BY NON UNIFORM WIDTH [PDF]

مجله مدل سازی در مهندسی, 2010
In this paper a rectangular dielectric resonator antenna (DRA) fed by a microstrip line is studied. Therefore, at first radiation performance of DRA is studied, and the improvement techniques are reviewed.
پژمان Rezaei
doaj   +1 more source

Precision manufacturing of glass dielectric resonator antennas for sub‐THz applications using laser induced deep etching technology

Electronics Letters, Volume 61, Issue 1, January/December 2025.
This letter presents the first demonstration of laser induced deep etching technology (LIDE) for fabricating highly precise antennas designed for sub‐THz applications. Specifically, it details the design, fabrication, and measurement of two antenna prototypes: a single rectangular dielectric resonator antenna (RDRA) and a 4×$\times$4 RDRA array.
Elizabeth Bekker, Jiexi Yin, Luca Valenziano, Michael Lootze, Malte Schulz‐Ruhtenberg, Thomas Zwick, Akanksha Bhutani   +6 more
wiley   +1 more source

T-Shaped Compact Dielectric Resonator Antenna for UWB Application

Advanced Electromagnetics, 2019
In this article, a novel T-shaped compact dielectric resonator antenna for ultra-wideband (UWB) application is presented and studied. The proposed DRA structure consists of T-shaped dielectric resonator fed by stepped microstrip monopole printed antenna,
A. Zitouni, N. Boukli-Hacene
doaj   +1 more source

Nested Horn‐Based 3D‐Printed Dual‐Band High‐Gain Conical Beam Antenna

IET Microwaves, Antennas &Propagation, Volume 19, Issue 1, January/December 2025.
The proposed antenna is committed to simultaneously possess dual‐band, high‐gain, wideband and conical beam performances. The design of the nested horn and the impedance change caused by the ridge waveguide can provide a simple and easy‐to‐implement idea for dual‐band wideband antenna design. Meanwhile, the loading of dual reflectors not only increases
Li Wu, Sipei Wu, Shuai Zhang, Hui Xue, Boyang Qian   +4 more
wiley   +1 more source

Multiband-dielectric resonator antenna for LTE application

, 2016
This study presents work carried out on a multiband-dielectric resonator antenna (M-DRA) for long-term evolution (LTE) application. A new stack M-DRA is introduced by using two dielectric resonators of different permittivities, stacked on top of each ...
Kazim, Jalil Ur Rehman, Khan, Rizwan, Owais, Owais, Jamaluddin, Mohd. H., Nasir, Jamal   +4 more
core   +1 more source

3D‐printed heterogeneous isotropic–anisotropic dielectric resonator for singly fed dual‐band circularly polarised antennas

IET Microwaves, Antennas & Propagation
The design of three‐dimensional (3D)‐printed heterogeneous ceramics exhibiting isotropic and anisotropic dielectric permittivities at microwave frequencies is studied for dielectric resonator antenna (DRA) applications.
Bruno deAraùjo, Christophe Morlaas, Romain Pascaud, Alexandre Chabory, Marjorie Grzeskowiak, Gautier Mazingue   +5 more
doaj   +1 more source

Design of Biodegradable Quadruple-shaped DRA for WLAN/Wi-Max applications

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
A novel Quadruple-shaped Dielectric Resonator Antenna (DRA) excited by a coaxial feed is investigated. The dielectric used for investigation is biodegradable polymer based dielectric material having a dielectric constant (εr) of 3.45 and dielectric loss ...
Pramod Kumar, Santanu Dwari, Utkarsh, Jitendra Kumar   +3 more
doaj   +1 more source