Soliman A. Mahmoud
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View article: Seamless metamaterial integration into slotted resonators for compact high-performance near-field wireless power transfer system design
Seamless metamaterial integration into slotted resonators for compact high-performance near-field wireless power transfer system design Open
This paper presents a novel design concept for near-field wireless power transfer (WPT) systems that leverages the seamless integration of metamaterials (MTMs) into slotted resonators. This approach enhances magnetic field ( $$\textbf{B}$$…
View article: A Compact Tissue-Insensitive Ultra-Wideband Implantable Antenna for Wireless Power Transfer in Implantable Medical Devices
A Compact Tissue-Insensitive Ultra-Wideband Implantable Antenna for Wireless Power Transfer in Implantable Medical Devices Open
This work presents the development of a new, compact, two-port ultra-wideband implantable antenna with low sensitivity to implanting tissue and depth for energy harvesting applications in implantable medical devices (IMD). The proposed ant…
View article: New qualitative results to a kind of non-autonomous third-order neutral delay differential equations
New qualitative results to a kind of non-autonomous third-order neutral delay differential equations Open
View article: Single vs Multiple File Systems in Retrieval of Two Obturation Methods Using Either Single or Multiple Cone Technique
Single vs Multiple File Systems in Retrieval of Two Obturation Methods Using Either Single or Multiple Cone Technique Open
View article: Fuzzy Volterra Integral Equation Approximate Solution Via Optimal Homotopy Asymptotic Methods
Fuzzy Volterra Integral Equation Approximate Solution Via Optimal Homotopy Asymptotic Methods Open
The field of fuzzy integral equations (FIEs) is significant for modeling complex, time-delayed, and uncertain physical phenomena. Nevertheless, the majority of current solutions for FIEs encounter considerable challenges, such as the inabi…
View article: SEC-MAC: A Secure Wireless Sensor Network Based on Cooperative Communication
SEC-MAC: A Secure Wireless Sensor Network Based on Cooperative Communication Open
View article: A Novel LSTM Architecture for Automatic Modulation Recognition: Comparative Analysis With Conventional Machine Learning and RNN-Based Approaches
A Novel LSTM Architecture for Automatic Modulation Recognition: Comparative Analysis With Conventional Machine Learning and RNN-Based Approaches Open
The recognition of modulation types in received signals is essential for signal detection and demodulation, with broad applications in telecommunications, defense, and wireless communications. This paper introduces a pioneering approach to…
View article: Attention-Enhanced Hybrid Automatic Modulation Classification for Advanced Wireless Communication Systems: A Deep Learning-Transformer Framework
Attention-Enhanced Hybrid Automatic Modulation Classification for Advanced Wireless Communication Systems: A Deep Learning-Transformer Framework Open
The advancement of wireless communication toward beyond fifth-generation (B5G) and sixth-generation (6G) standards demands intelligent and scalable signal processing capable of accurate modulation classification under dynamic and noisy cha…
View article: Insights into Parkinson’s Disease-Related Freezing of Gait Detection and Prediction Approaches: A Meta Analysis
Insights into Parkinson’s Disease-Related Freezing of Gait Detection and Prediction Approaches: A Meta Analysis Open
Parkinson’s Disease (PD) is a complex neurodegenerative disorder characterized by a spectrum of motor and non-motor symptoms, prominently featuring the freezing of gait (FOG), which significantly impairs patients’ quality of life. Despite …
View article: Wireless Power Transfer for Implantable Medical Devices: Impact of Implantable Antennas on Energy Harvesting
Wireless Power Transfer for Implantable Medical Devices: Impact of Implantable Antennas on Energy Harvesting Open
This paper presents a thorough review of the main techniques used for wireless power transfer (WPT) in implantable medical devices (IMDs) with a specific focus on the techniques that employ implantable antennas for energy harvesting (elect…
View article: Deep Learning in Automatic Diabetic Retinopathy Detection and Grading Systems: A Comprehensive Survey and Comparison of Methods
Deep Learning in Automatic Diabetic Retinopathy Detection and Grading Systems: A Comprehensive Survey and Comparison of Methods Open
Diabetic Retinopathy is one of the leading global causes of vision impairment and blindness in humans. It has seen a rise in prevalence, necessitating the development of advanced automatic detection methods. This paper presents a survey of…
View article: Explainable Machine Learning Model for Alzheimer Detection Using Genetic Data: A Genome-Wide Association Study Approach
Explainable Machine Learning Model for Alzheimer Detection Using Genetic Data: A Genome-Wide Association Study Approach Open
Recent research has revealed that using machine learning systems for the analysis of genetic data could reliably detect Alzheimer’s disease. The interpretability of these models, however, has been a challenge, as they frequently provided l…
View article: Skin cancer classification using explainable artificial intelligence on pre-extracted image features
Skin cancer classification using explainable artificial intelligence on pre-extracted image features Open
Skin cancer is the most common type of cancer worldwide, affecting a large population recently. To date, various machine learning techniques exploiting skin images have been applied directly to skin cancer classification, showing promising…
View article: An Explainable Artificial Intelligence Model for the Classification of Breast Cancer
An Explainable Artificial Intelligence Model for the Classification of Breast Cancer Open
Breast cancer is the most common cancer among women and globally affects both genders. The disease arises due to abnormal growth of tissue formed of malignant cells. Early detection of breast cancer is crucial for enhancing the survival ra…
View article: Electrical Reconfigurability in Modern 4G, 4G/5G and 5G Antennas: A Critical Review of Polarization and Frequency Reconfigurable Designs
Electrical Reconfigurability in Modern 4G, 4G/5G and 5G Antennas: A Critical Review of Polarization and Frequency Reconfigurable Designs Open
This paper presents a critical review of modern 4G, 4G/5G, and 5G antennas, which employ PIN diodes and Varactors for polarization or frequency reconfiguration. For the reviewed 4G and 5G polarization reconfigurable antennas, a new paramet…
View article: A Robust Hybrid Neural Network Architecture for Blind Source Separation of Speech Signals Exploiting Deep Learning
A Robust Hybrid Neural Network Architecture for Blind Source Separation of Speech Signals Exploiting Deep Learning Open
In the contemporary era, blind source separation has emerged as a highly appealing and significant research topic within the field of signal processing. The imperative for the integration of blind source separation techniques within the co…
View article: Impact of AlGaN Barrier Thickness and Substrate Material on the Noise Characteristics of GaN HEMT
Impact of AlGaN Barrier Thickness and Substrate Material on the Noise Characteristics of GaN HEMT Open
In this paper, the impact of AlGaN barrier thickness () and substrate leakage on the noise conductance and noise figure in GaN High Electron Mobility Transistor (HEMT) is investigated. The investigation and analysis in this paper are targe…
View article: Field programmable analog arrays for implementation of generalized nth‐order operational transconductance amplifier‐C elliptic filters
Field programmable analog arrays for implementation of generalized nth‐order operational transconductance amplifier‐C elliptic filters Open
This study presents a new architecture for a field programmable analog array (FPAA) for use in low‐frequency applications, and a generalized circuit realization method for the implementation of nth‐order elliptic filters. The proposed desi…
View article: Survey on Field Programmable Analog Array Architectures Eliminating Routing Network
Survey on Field Programmable Analog Array Architectures Eliminating Routing Network Open
This work focuses on reviewing the field programmable analog array (FPAA) architectures that eliminate the use of switches in signal path. The conventional FPAA architecture is composed of configurable analog blocks (CABs) connected togeth…
View article: Survey on Single Stage Amplifiers for Column Drivers in Active Matrix LCD Panels Leading to a Highly Linear Rail-to-Rail Robust Amplifier
Survey on Single Stage Amplifiers for Column Drivers in Active Matrix LCD Panels Leading to a Highly Linear Rail-to-Rail Robust Amplifier Open
This paper reviews single stage amplifiers identified in the literature as well as presents a new structure single stage highly linear rail-to-rail amplifier intended for column drivers in Active Matrix Liquid Crystal Display (AMLCD). The …
View article: Non-Diabetic Nephropathies among Diabetic Patients of the Nephrology Department of Dakar
Non-Diabetic Nephropathies among Diabetic Patients of the Nephrology Department of Dakar Open
Introduction: Diabetic nephropathy is the most common cause of kidney disease in diabetics. However, in some cases the clinical symptoms is not typical and nephropathy may be different from diabetic and require the use of renal biopsy (RB)…
View article: An 114 Hz–12 MHz digitally controlled low‐pass filter for biomedical and wireless applications
An 114 Hz–12 MHz digitally controlled low‐pass filter for biomedical and wireless applications Open
This study presents a wide tunable Gm‐C low‐pass filter for biomedical and wireless applications. The proposed filter was designed using the standard 90 nm complementary metal–oxide–semiconductor technology operating with a balanced supply…
View article: Third-Order Elliptic Lowpass Filter for Multi-Standard Baseband Chain Using Highly Linear Digitally Programmable OTA
Third-Order Elliptic Lowpass Filter for Multi-Standard Baseband Chain Using Highly Linear Digitally Programmable OTA Open
In this paper, a third-order elliptic lowpass filter is designed using highly linear digital programmable balanced OTA. The filter exhibits a cutoff frequency tuning range from 2.2 MHz to 7.1 MHz, thus, it covers W-CDMA, UMTS, and DVB-H st…
View article: DEFENDED TERRITORIES OF AN AGGRESSIVE DAMSELFISH, POMACENTRUS TRILINEATUS, IN THE NORTHERN RED SEA, HURGHADA, EGYPT
DEFENDED TERRITORIES OF AN AGGRESSIVE DAMSELFISH, POMACENTRUS TRILINEATUS, IN THE NORTHERN RED SEA, HURGHADA, EGYPT Open
The territorial behavior of the pomacentrid damselfish Pomacentrus trilineatus was studied on three reefs in the northern Red Sea, Hurghada, Egypt in order to investigate difference between defended and undefended areas. Seven families of …