Fractal reflectarray antennas: state of art and new opportunities

S Costanzo, F Venneri, G Di Massa… - … Journal of Antennas …, 2016 - Wiley Online Library
Fractal geometries are appealing in all applications where miniaturization capabilities are
required, ranging from antennas to frequency selective surfaces (FSS) design. Recently …

Multilayer Minkowski reflectarray antenna with improved phase performance

E Ozturk, B Saka - IEEE Transactions on Antennas and …, 2021 - ieeexplore.ieee.org
We propose a multilayer unit cell consisting of Minkowski fractal-shaped reflector with
aperture coupled phasing stubs to obtain a broad phase range for reflectarray antenna with …

Miniaturized reflectarray unit cell using fractal-shaped patch-slot configuration

D Oloumi, S Ebadi, A Kordzadeh… - IEEE Antennas and …, 2011 - ieeexplore.ieee.org
This letter introduces a new class of miniaturized reflectarray unit cells with increased phase
swing employing Minkowski fractal-shaped patch-slot elements. Square, 1st Minkowski, and …

Investigation of the characteristics of barium strontium titanate (BST) dielectric resonator ceramic loaded on array antennas

FH Wee, MFB Abd Malek, S Sreekantan… - Progress In …, 2011 - jpier.org
We investigated a dielectric resonator ceramic microstrip patch antenna. The antenna was
formed using barium strontium titanate (BST), which has a dielectric constant of 15. A new …

High-gain low side lobe level Fabry Perot cavity antenna with feed patch array

AR Vaidya, RK Gupta, SK Mishra… - Progress In …, 2012 - jpier.org
In this paper, a high gain, low side lobe level Fabry Perot Cavity antenna with feed patch
array is proposed. The antenna structure consists of a microstrip antenna array, which is …

RCS reduction for a FSS-backed reflectarray using a ring element

LS Ren, YC Jiao, JJ Zhao, F Li - Progress In Electromagnetics Research …, 2011 - jpier.org
A novel RCS (radar cross section) reduction configuration for a reflectarray antenna,
employing the appropriate FSS (frequency-selective surface) as a ground, is proposed. The …

[PDF][PDF] A novel design approach to X-band Minkowski reflectarray antennas using the full-wave EM simulation-based complete neural model with a hybrid GA-NM …

F Güneş, S Demirel, S Nesil - Radioengineering, 2014 - core.ac.uk
In this work, a novel multi-objective design optimization procedure is presented for the
Minkowski Reflectarray RA s using a complete 3-D CST Microwave Studio MWS-based …

Design and analysis of minkowski reflectarray antenna using 3‐D CST microwave studio‐based neural network model with particle swarm optimization

F Güneş, S Nesil, S Demirel - International Journal of RF and …, 2013 - Wiley Online Library
This article presents a systematic analysis and design of the X‐band Minkowski reflectarray
antenna (RA) by using the 3‐D Computer Simulation Technology Microwave Studio (CST …

A novel bandwidth enhancement technique for X-band RF MEMS actuated reconfigurable reflectarray

Y Radi, S Nikmehr, A Pourziad - Progress In Electromagnetics Research, 2011 - jpier.org
In this paper, a wideband microstrip antenna for X-band (8.2 GHz--12.4 GHz) applications is
introduced. First, simple patch antennas are studied. The resultant design demonstrates …

Phase characterization of a reflectarray unit cell with minkowski shape radiating element using multilayer perceptron neural network

S Nesil, F Güneş, U Özkaya - 2011 7th International …, 2011 - ieeexplore.ieee.org
In recent years reflectarray antennas have become very popular research area for scientists
to overcome their limitations which are the narrow band of the radiating elements and the …