Ali F. Almutairi
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View article: Effect of Seasonal Variation on the Incidence of Gallbladder Stone Complications
Effect of Seasonal Variation on the Incidence of Gallbladder Stone Complications Open
Introduction Seasonal variation is a common factor in the development of gastrointestinal conditions, including gallstone complications such as chronic cholecystitis, acute cholecystitis (AC), and acute biliary pancreatitis. The aim of thi…
View article: A Score-Based Game Approach Considering Resource Heterogeneity and Social Dynamics for Traffic Optimization in Social IoT Networks
A Score-Based Game Approach Considering Resource Heterogeneity and Social Dynamics for Traffic Optimization in Social IoT Networks Open
The incorporation of human-like social concepts into the Internet of Things (IoT) has given rise to the paradigm of Social IoT (SIoT). In these networks, objects autonomously form social relationships to enhance network scalability in info…
View article: Fano resonated, ultrathin, flexible and ultrawideband absorption featured nano-metaatom structure with dispersion gap optimized for optical range applications
Fano resonated, ultrathin, flexible and ultrawideband absorption featured nano-metaatom structure with dispersion gap optimized for optical range applications Open
View article: How Can LLMs and Knowledge Graphs Contribute to Robot Safety? A Few-Shot Learning Approach
How Can LLMs and Knowledge Graphs Contribute to Robot Safety? A Few-Shot Learning Approach Open
Large Language Models (LLMs) are transforming the robotics domain by enabling robots to comprehend and execute natural language instructions. The cornerstone benefits of LLM include processing textual data from technical manuals, instructi…
View article: Factors Influencing Customers Satisfaction in Kuwait Banking Sector
Factors Influencing Customers Satisfaction in Kuwait Banking Sector Open
Abstract: The main objective of this study is to shed more light on the concept of customer satisfaction in Kuwait banking sector. More specifically, this study sought to identify the factors affecting customer satisfactio…
View article: A Sierpinski Arrowhead Curve Slot Vivaldi Antenna for Microwave Head Imaging System
A Sierpinski Arrowhead Curve Slot Vivaldi Antenna for Microwave Head Imaging System Open
The development of antipodal Vivaldi antenna with a fractal slot is presented in this paper due to its promising application as an element of possible multisensory systems of head stroke imaging. The fractal slot is applied to improve the …
View article: A portable non-invasive microwave based head imaging system using compact metamaterial loaded 3D unidirectional antenna for stroke detection
A portable non-invasive microwave based head imaging system using compact metamaterial loaded 3D unidirectional antenna for stroke detection Open
A metamaterial (MTM) loaded compact three-dimensional antenna is presented for the portable, low-cost, non-invasive microwave head imaging system. The antenna has two slotted dipole elements with finite arrays of MTM unit cell and a folded…
View article: A deep learning model to classify and detect brain abnormalities in portable microwave based imaging system
A deep learning model to classify and detect brain abnormalities in portable microwave based imaging system Open
Automated classification and detection of brain abnormalities like a tumor(s) in reconstructed microwave (RMW) brain images are essential for medical application investigation and monitoring disease progression. This paper presents the aut…
View article: Filtered-orthogonal wavelet division multiplexing (F-OWDM) technique for 5G and beyond communication systems
Filtered-orthogonal wavelet division multiplexing (F-OWDM) technique for 5G and beyond communication systems Open
View article: Double-E-Triple-H-Shaped NRI-Metamaterial for Dual-Band Microwave Sensing Applications
Double-E-Triple-H-Shaped NRI-Metamaterial for Dual-Band Microwave Sensing Applications Open
This paper presents a new Double-E-Triple-H-Shaped NRI (negative refractive index) metamaterial (MM) for dual-band microwave sensing applications. Here, a horizontal H-shaped metal structure is enclosed by two face-to-face E-shaped metal s…
View article: Low Profile UHF Antenna Design for Low Earth-Observation CubeSats
Low Profile UHF Antenna Design for Low Earth-Observation CubeSats Open
This paper reveals a new design of UHF CubeSat antenna based on a modified Planar Inverted F Antenna (PIFA) for CubeSat communication. The design utilizes a CubeSat face as the ground plane. There is a gap of 5 mm beneath the radiating ele…
View article: Experimental tissue mimicking human head phantom for estimation of stroke using IC-CF-DMAS algorithm in microwave based imaging system
Experimental tissue mimicking human head phantom for estimation of stroke using IC-CF-DMAS algorithm in microwave based imaging system Open
View article: Polarization insensitivity characterization of dual-band perfect metamaterial absorber for K band sensing applications
Polarization insensitivity characterization of dual-band perfect metamaterial absorber for K band sensing applications Open
View article: A Deep Learning Model to Classify and Detect Brain Abnormalities in Portable Microwave Based Imaging System
A Deep Learning Model to Classify and Detect Brain Abnormalities in Portable Microwave Based Imaging System Open
Automated classification and detection of brain abnormalities like tumors from microwave head images is essential for investigating and monitoring disease progression. This paper presents the automatic classification and detection of human…
View article: Realization of frequency hopping characteristics of an epsilon negative metamaterial with high effective medium ratio for multiband microwave applications
Realization of frequency hopping characteristics of an epsilon negative metamaterial with high effective medium ratio for multiband microwave applications Open
View article: An octa-band planar monopole antenna for portable communication devices
An octa-band planar monopole antenna for portable communication devices Open
View article: Metamaterial array based meander line planar antenna for cube satellite communication
Metamaterial array based meander line planar antenna for cube satellite communication Open
View article: Particle swarm optimization application for multiple attribute decision making in vertical handover in heterogenous wireless networks
Particle swarm optimization application for multiple attribute decision making in vertical handover in heterogenous wireless networks Open
In wireless heterogenous networks, mobile terminals are covered by different wireless networks with varying quality of services to ensure the delivery of different classes of services. In this paper, Particle swarm optimization (PSO) was a…
View article: Hexagonal Resonator Loaded Star Shaped Polarization Insensitive Compact Broadband Zero Indexed Nano-Meta Absorber for Optical Region Applications: A Numerical Approach
Hexagonal Resonator Loaded Star Shaped Polarization Insensitive Compact Broadband Zero Indexed Nano-Meta Absorber for Optical Region Applications: A Numerical Approach Open
Broadband response metamaterial absorber (MMA) remains a challenge among researchers. A nanostructured new Zero Indexed Metamaterial (ZIM) absorber is presented in this study, which is constructed with a hexagonal shape resonator for the o…
View article: A Multi-Band Near Perfect Polarization and Angular Insensitive Metamaterial Absorber With a Simple Octagonal Resonator for Visible Wavelength
A Multi-Band Near Perfect Polarization and Angular Insensitive Metamaterial Absorber With a Simple Octagonal Resonator for Visible Wavelength Open
A multi-band, ultrathin, polarization-insensitive, near-perfect metamaterial absorber (PMA) has been proposed and substantiated numerically for solar thermophotovoltaic (STPV) systems which also can be used in some other applications. This…
View article: A YOLOv3 Deep Neural Network Model to Detect Brain Tumor in Portable Electromagnetic Imaging System
A YOLOv3 Deep Neural Network Model to Detect Brain Tumor in Portable Electromagnetic Imaging System Open
This paper presents the detection of brain tumors through the YOLOv3 deep neural network model in a portable electromagnetic (EM) imaging system. YOLOv3 is a popular object detection model with high accuracy and improved computational spee…
View article: DNG Metamaterial Reflector Using SOCT Shaped Resonator for Microwave Applications
DNG Metamaterial Reflector Using SOCT Shaped Resonator for Microwave Applications Open
In this paper, the triple reflection band split O circled T (SOCT) shape metamaterial resonator is presented based on the transmission line principle. This paper aims to develop a miniature metamaterial resonator that can simultaneously pe…
View article: Performance Analysis of the Two-Piecewise Linear Companding Technique on Filtered-OFDM Systems
Performance Analysis of the Two-Piecewise Linear Companding Technique on Filtered-OFDM Systems Open
Filtered orthogonal frequency division multiplexing (F-OFDM) is one of the most prominent waveform candidates when it comes to fifth-generation (5G) wireless communication and beyond. This paper analyzes the performance of the F-OFDM syste…
View article: SNG and DNG meta-absorber with fractional absorption band for sensing application
SNG and DNG meta-absorber with fractional absorption band for sensing application Open
View article: Wide Bandwidth Angle- and Polarization-Insensitive Symmetric Metamaterial Absorber for X and Ku Band Applications
Wide Bandwidth Angle- and Polarization-Insensitive Symmetric Metamaterial Absorber for X and Ku Band Applications Open
In this paper, a wide bandwidth angle- and polarization-insensitive symmetric metamaterial (MM) absorber for X and Ku band is proposed. For both normal and oblique incidence in TEM mode, the proposed unit cell shows high absorption at diff…
View article: Low-Profile Slotted Metamaterial Antenna Based on Bi Slot Microstrip Patch for 5G Application
Low-Profile Slotted Metamaterial Antenna Based on Bi Slot Microstrip Patch for 5G Application Open
A low-profile high-directivity, and double-negative (DNG) metamaterial-loaded antenna with a slotted patch is proposed for the 5G application. The radiated slotted arm as a V shape has been extended to provide a low-profile feature with a …
View article: Polarization-Independent Ultra-Wideband Metamaterial Absorber for Solar Harvesting at Infrared Regime
Polarization-Independent Ultra-Wideband Metamaterial Absorber for Solar Harvesting at Infrared Regime Open
This paper presents an ultra-wideband metamaterial absorber for solar harvesting in the infrared regime (220–360 THz) of the solar spectrum. The proposed absorber consists of square-shaped copper patches of different sizes imposed on a GaA…
View article: An Octagonal Ring-shaped Parasitic Resonator Based Compact Ultrawideband Antenna for Microwave Imaging Applications
An Octagonal Ring-shaped Parasitic Resonator Based Compact Ultrawideband Antenna for Microwave Imaging Applications Open
An Ultrawideband (UWB) octagonal ring-shaped parasitic resonator-based patch antenna for microwave imaging applications is presented in this study, which is constructed with a diamond-shaped radiating patch, three octagonal, rectangular sl…
View article: A Wide Incident Angle, Ultrathin, Polarization-Insensitive Metamaterial Absorber for Optical Wavelength Applications
A Wide Incident Angle, Ultrathin, Polarization-Insensitive Metamaterial Absorber for Optical Wavelength Applications Open
Polarization-insensitive metamaterial absorbers (MMAs) are currently attracting a great deal of interest throughout the optical region. These kinds of MMAs can be used as energy harvesting, thermal imaging, plasmonic sensor, magnetic imagi…
View article: Improving the performance of wireless network in residential areas in Kuwait
Improving the performance of wireless network in residential areas in Kuwait Open
Data usage on mobile networks has been increasing exponentially in the State of Kuwait, where current 4G network speeds no longer meet the demands of the average users. This created the need to improve the system performance to increase th…