Mohamed Mahmoud
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View article: Effect of Continuous Care Model on Patient’s Knowledge and Health Outcome Regarding Systemic Lupus Erythematosus
Effect of Continuous Care Model on Patient’s Knowledge and Health Outcome Regarding Systemic Lupus Erythematosus Open
View article: Improved indoor visible light positioning system using machine learning
Improved indoor visible light positioning system using machine learning Open
In this study, we present a novel Visible Light Positioning (VLP) method to reduce the localization error in an indoor environment. Machine Learning (ML) methods including Decision Tree (DT), Support Vector Machine (SVM), and Neural Networ…
View article: A reduced PAPR hybrid OFDM visible light communication system
A reduced PAPR hybrid OFDM visible light communication system Open
Orthogonal frequency division multiplexing (OFDM) is used by visible light communication (VLC) systems. Its main goal is to lessen inter-symbol interference's negative impacts. As a result, a lot of bandwidth and a high data rate are trans…
View article: COMPARATIVE STUDY BETWEEN DIFFERENT MANAGEMENT MODALITIES OF IATROGENIC ESOPHAGEAL PERFORATIONS
COMPARATIVE STUDY BETWEEN DIFFERENT MANAGEMENT MODALITIES OF IATROGENIC ESOPHAGEAL PERFORATIONS Open
Background: Iatrogenic esophageal perforation accounts 60% of esophageal perforations and associated with 19% of mortality.Endoscopic procedures & invasive surgical maneuvers are the common causes.Pain, dysphagia and subcutaneous emphysema…
View article: Photonic Crystal Enhanced by Metamaterial for Measuring Electric Permittivity in GHz Range
Photonic Crystal Enhanced by Metamaterial for Measuring Electric Permittivity in GHz Range Open
The rise of broadband cellular networks and 5G networks enable new rates of data transfer. This paper introduces a new design to measure the permittivity in the GHz range of non-magnetic materials. We tested the proposed design with a wide…
View article: Statistical Studies Using Goodness-of-Fit Techniques With Dynamic Underwater Visible Light Communication Channel Modeling
Statistical Studies Using Goodness-of-Fit Techniques With Dynamic Underwater Visible Light Communication Channel Modeling Open
In this paper, we studied the probability distribution function (PDF) of the channel gain of dynamic underwater visible light communication (UVLC) model for different types of water using goodness-of-fit (GoF). We used different water chan…
View article: Biochemical evaluation of newly composed tercumin capsules
Biochemical evaluation of newly composed tercumin capsules Open
In the present study, bitter dry beans of lupine seeds (Lupinus termis L.) cultivar Giza-1, and powder of turmeric rhizomes, (Curcuma longa L.,), and grains of yellow corn (Zea mays L.) cultivar Giza-368 were used to prepare three tercumin…
View article: Characteristics of Dielectric Behavior and AC Electrical Conductivity of Bulk Antimony Sulfide (Sb2S3)
Characteristics of Dielectric Behavior and AC Electrical Conductivity of Bulk Antimony Sulfide (Sb2S3) Open
The structural features and morphology of investigated Sb2S3 powder were analyzed by X-ray diffraction and scanning electron microscope techniques. The dependence of dielectric properties and ac conductivity of bulk Sb2S3 as pellet on both…
View article: Comprehensive Investigation on Principle Component Large-Scale Wi-Fi Indoor Localization
Comprehensive Investigation on Principle Component Large-Scale Wi-Fi Indoor Localization Open
The smartphone market is rapidly spreading, coupled with several services and applications. Some of these services require the knowledge of the exact location of their handsets. The Global Positioning System (GPS) suffers from accuracy det…
View article: Novel on chip rotation detection based on the acousto-optic effect in surface acoustic wave gyroscopes
Novel on chip rotation detection based on the acousto-optic effect in surface acoustic wave gyroscopes Open
An Acousto-Optic Gyroscope (AOG) consisting of a photonic integrated device embedded into two inherently matched piezoelectric surface acoustic wave (SAW) resonators sharing the same acoustic cavity is presented. This constitutes the first…
View article: Lithium Niobate Electro-Optic Racetrack Modulator Etched in Y-Cut LNOI Platform
Lithium Niobate Electro-Optic Racetrack Modulator Etched in Y-Cut LNOI Platform Open
An electro-optic modulator (EOM) based on a racetrack resonator coupled to a waveguide using butterfly multi-mode interference (MMI) coupler is fabricated on Y-cut lithium niobate (LN) thin film. This is the first demonstration of a LN EOM…
View article: Microbiological contamination of mobile phones of clinicians in intensive care units and neonatal care units in public hospitals in Kuwait
Microbiological contamination of mobile phones of clinicians in intensive care units and neonatal care units in public hospitals in Kuwait Open