Size reduction and harmonics suppression in microwave power dividers: A comprehensive review

S Roshani, SI Yahya, YY Ghadi… - aro-the scientific …, 2023 - eprints.cihanuniversity.edu.iq
In this paper, several types of microstrip power divider are studied and compared in terms of
harmonics suppression and size reductions. The importance of this research lies in the fact …

Design of a miniaturized 90-degree quadrature hybrid coupler with harmonic suppression ability using π-shaped lumped elements

S MahdiAbadi, S Roshani, F Parandin, S Roshani - Scientific Reports, 2024 - nature.com
This research presents a new design and fabrication of a quadrature hybrid coupler using π-
shaped lumped elements. The proposed π-shaped elements have resulted in ultra-size …

A four element stringray-shaped MIMO antenna system for UWB applications

HŞ Savcı - Micromachines, 2023 - mdpi.com
This paper presents a CoPlanar-Waveguide (CPW)-fed stingray-shaped Ultra-WideBand
(UWB) Multiple-Input–Multiple-Output (MIMO) antenna system designed for microwave …

Data Driven Surrogate Modelling of Phase Array Antennas Using Deep Learning For Millimetric Band Applications

MA Tulum, AS Turk, P Mahouti - IEEE Access, 2023 - ieeexplore.ieee.org
Phased Array Antenna (PAA) technology plays an important role in fields such as radar, 5G
and satellite or any application which requires wide bandwidth and high gain. However …

A Comprehensive Review of Direction-of-Arrival Estimation and Localization Approaches in Mixed-Field Sources Scenario

AM Molaei, B Zakeri, SMH Andargoli… - IEEE …, 2024 - ieeexplore.ieee.org
Direction-of-arrival (DOA) estimation plays a crucial role in array signal processing across
various domains, including radar, sonar, wireless communications, and seismic exploration …

Artificial neural network-based mechanism to detect security threats in wireless sensor networks

S Khan, MA Khan, N Alnazzawi - Sensors, 2024 - mdpi.com
Wireless sensor networks (WSNs) are essential in many areas, from healthcare to
environmental monitoring. However, WSNs are vulnerable to routing attacks that might …

Meander structure analysis techniques using artificial neural networks

D Belova-Plonienė, A Krukonis, V Abromavičius… - Applied Sciences, 2024 - mdpi.com
Typically, analyses of meander structures (MSs) for transfer characteristics are conducted
using specialized commercial software based on numerical methods. However, these …

[HTML][HTML] ANN-Assisted Beampattern Optimization of Semi-Coprime Array for Beam-Steering Applications

W Khan, S Shahid, AN Chaudhry, AS Rana - Sensors, 2024 - mdpi.com
In this paper, an artificial neural network (ANN) has been proposed to estimate the required
values of the adjustable parameters of a Semi-Coprime array with staggered steering …

[HTML][HTML] Eight Element Wideband Antenna with Improved Isolation for 5G Mid Band Applications

DM John, S Vincent, S Pathan, AAA Boulogeorgos… - Technologies, 2024 - mdpi.com
Modern wireless communication systems have undergone a radical change with the
introduction of multiple-input multiple-output (MIMO) antennas, which provide increased …

A Compact Microwave Quadrature Hybrid Coupler Using Capacitive Composite Lines and Meandered Stubs

S Roshani, SI Yahya, M Assaad, MA Chaudhary… - Symmetry, 2023 - mdpi.com
In this paper, a new structure of the quadrature hybrid coupler (QHC) with compact size is
proposed using capacitive composite lines and meandered open stubs. The proposed …