Radio frequency energy harvesting technologies: A comprehensive review on designing, methodologies, and potential applications

HH Ibrahim, MJ Singh, SS Al-Bawri, SK Ibrahim… - Sensors, 2022 - mdpi.com
Radio frequency energy harvesting (RF-EH) is a potential technology via the generation of
electromagnetic waves. This advanced technology offers the supply of wireless power that is …

Design, challenges and developments for 5G massive MIMO antenna systems at sub 6-GHz band: a review

SK Ibrahim, MJ Singh, SS Al-Bawri, HH Ibrahim… - Nanomaterials, 2023 - mdpi.com
Massive multiple-input multiple-output (mMIMO) is a wireless access technique that has
been studied and investigated in response to the worldwide bandwidth demand in the …

Gain and isolation enhancement of a wideband MIMO antenna using metasurface for 5G sub-6 GHz communication systems

MM Hasan, MT Islam, M Samsuzzaman… - Scientific reports, 2022 - nature.com
This work proposes a compact metasurface (MS)-integrated wideband multiple-input
multiple-output (MIMO) antenna for fifth generation (5G) sub-6 GHz wireless communication …

Massive metamaterial system-loaded MIMO antenna array for 5G base stations

SS Al-Bawri, MT Islam, MS Islam, MJ Singh, H Alsaif - Scientific Reports, 2022 - nature.com
An integrated massive multiple-input multiple-output (mMIMO) antenna system loaded with
metamaterial (MTM) is proposed in this article for fifth-generation (5G) applications. Besides …

Machine learning-based technique for gain and resonance prediction of mid band 5G Yagi antenna

MA Haque, MA Rahman, SS Al-Bawri, Z Yusoff… - Scientific Reports, 2023 - nature.com
In this study, we present our findings from investigating the use of a machine learning (ML)
technique to improve the performance of Quasi-Yagi–Uda antennas operating in the n78 …

Hexagonal shaped near zero index (NZI) metamaterial based MIMO antenna for millimeter-wave application

SS Al-Bawri, MT Islam, T Shabbir, G Muhammad… - IEEE …, 2020 - ieeexplore.ieee.org
A single-layered multiple-input multiple-output (MIMO) antenna working at 28 GHz loaded
with a compact planar-patterned metamaterial (MTM) structures is presented in this paper for …

Gap coupled symmetric split ring resonator based near zero index ENG metamaterial for gain improvement of monopole antenna

M Moniruzzaman, MT Islam, M Samsuzzaman… - Scientific reports, 2022 - nature.com
In this article, a symmetric split ring resonator (SRR) based metamaterial (MTM) is presented
that exhibits three resonances of transmission coefficient (S21) covering S, C, and X-bands …

A symmetric plus-shape resonator based dual band perfect metamaterial absorber for Ku band Wireless Applications

MS Hasan, MT Islam, M Moniruzzaman… - Optical Materials, 2023 - Elsevier
In this article, introduce a metamaterial for microwave absorber applications based on a
variant of the symmetric plus-shape resonator. This MA has two absorption peaks, making it …

Latest performance improvement strategies and techniques used in 5G antenna designing technology, a comprehensive study

I Ahmad, W Tan, Q Ali, H Sun - Micromachines, 2022 - mdpi.com
In the recent era, fifth-generation technology (5G) has not been fully implemented in the
realm of wireless communication. To have excellent accessible bandwidth feasibility, and in …

Realization of frequency hop** characteristics of an epsilon negative metamaterial with high effective medium ratio for multiband microwave applications

MT Islam, M Moniruzzaman, T Alam… - Scientific reports, 2021 - nature.com
In this paper, a meander-lines-based epsilon negative (ENG) metamaterial (MTM) with a
high effective medium ratio (EMR) and near-zero refractive index (NZI) is designed and …