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View article: High-Speed Single Channel 16-QAM-OFDM UOWC System: Performance Evaluation for Various Types of Waters
High-Speed Single Channel 16-QAM-OFDM UOWC System: Performance Evaluation for Various Types of Waters Open
The expansion of marine engineering requires exploring high data transmission in underwater (UW) environments. In this paper, a high-speed underwater optical wireless communication (UOWC) system employing orthogonal frequency division mult…
View article: Fuzzy Logic-Based Performance Enhancement of FSO Systems Under Adverse Weather Conditions
Fuzzy Logic-Based Performance Enhancement of FSO Systems Under Adverse Weather Conditions Open
In this paper, we propose an application of fuzzy logic control (FLC) to improve the system performance of free-space optics (FSO) networks using the optical code-division multiple-access (OCDMA) technique. The primary objective is to dyna…
View article: Seamless Integration of UOWC/MMF/FSO Systems Using Orbital Angular Momentum Beams for Enhanced Data Transmission
Seamless Integration of UOWC/MMF/FSO Systems Using Orbital Angular Momentum Beams for Enhanced Data Transmission Open
This work presents a high-speed hybrid communication system integrating Underwater Optical Wireless Communication (UOWC), Multimode Fiber (MMF), and Free-Space Optics (FSO) channels, leveraging Orbital Angular Momentum (OAM) beams for enha…
View article: High-Level Design and Implementation of a Configurable Cryptosystem With a Novel Chaos-Enhanced Function
High-Level Design and Implementation of a Configurable Cryptosystem With a Novel Chaos-Enhanced Function Open
The widespread availability of networks has significantly increased the exposure of data to security threats, necessitating robust encryption methods. While existing symmetric block ciphers offer varying levels of security, they are suscep…
View article: Indoor VLC system based on tri color laser diodes, dual polarization states, and OAM beams
Indoor VLC system based on tri color laser diodes, dual polarization states, and OAM beams Open
This paper introduces a novel high-speed Visible Light Communication (VLC) system capable of transmitting data rates of 120 Gbps. The system leverages the multiplexing capabilities of Dual Polarization (DP) and Orbital Angular Momentum (OA…
View article: Resource learning aware algorithm for route prediction and resources allocation in elastic optical networks with network analytics
Resource learning aware algorithm for route prediction and resources allocation in elastic optical networks with network analytics Open
We have proposed two algorithms in this paper for dynamic traffic in elastic optical networks (EON). Algorithm1 considers the spatial access blocking probability metric (SABPM) during dynamic operation and route traffic to a path with lowe…
View article: Performance investigation of UOWC system based on OAM beams for various Jerlov water types
Performance investigation of UOWC system based on OAM beams for various Jerlov water types Open
This paper introduces a novel high-speed underwater optical wireless communication (UOWC) system employing three distinct orbital angular momentum (OAM) beams. A single green laser source operating at 532 nm generates these beams: LG0,0,LG…
View article: Performance Enhancement of FSO Communication System Under Rainy Weather Environment Using a Novel Encryption Technique
Performance Enhancement of FSO Communication System Under Rainy Weather Environment Using a Novel Encryption Technique Open
Free Space Optics (FSO) has emerged as a viable solution to meet the growing demand for high bandwidth, secure data transmission, and high speed. However, the FSO system is highly susceptible to environmental factors, with precipitation in…
View article: Improving the Effectiveness of Image Classification Structural Methods by Compressing the Description According to the Information Content Criterion
Improving the Effectiveness of Image Classification Structural Methods by Compressing the Description According to the Information Content Criterion Open
The research aims to improve the performance of image recognition methods based on a description in the form of a set of keypoint descriptors. The main focus is on increasing the speed of establishing the relevance of object and etalon des…
View article: Multi-Dimensional Sigma Shift Matrix (<i>nD</i>-SSM) Code With Adaptable Transmitter-Receiver Architecture to Support Multiclass Users for SAC-OCDMA System
Multi-Dimensional Sigma Shift Matrix (<i>nD</i>-SSM) Code With Adaptable Transmitter-Receiver Architecture to Support Multiclass Users for SAC-OCDMA System Open
This work introduces an n-D algorithm to generate multi-dimensional Sigma Shift Matrix (nD-SSM) code sequences is proposed, which is based on spectral/temporal/spatial incoherent optical code division multiple access (OCDMA) system. Our pr…
View article: Capacity Enhancement Based on Using Hybrid SCM With SAC-OCDMA Using Different Codes for OFC and FSO Transmission Systems
Capacity Enhancement Based on Using Hybrid SCM With SAC-OCDMA Using Different Codes for OFC and FSO Transmission Systems Open
A new hybrid optical fiber communication (OFC) and free space optics (FSO) communication systems are proposed for enhancing the transmission capacity. It is based on using subcarrier modulation (SCM) with spectral amplitude coding based op…
View article: Chaos Fractal Digital Image Encryption Transmission in Underwater Optical Wireless Communication System
Chaos Fractal Digital Image Encryption Transmission in Underwater Optical Wireless Communication System Open
This study introduces a novel image cryptosystem designed to improve security and reliability within underwater optical wireless communication (UOWC) systems particularly for water bodies that exhibits higher absorption and scattering coef…
View article: Prediction of Chemical Compounds Biodegradability: Molecular Fingerprint-Based Machine Learning Models
Prediction of Chemical Compounds Biodegradability: Molecular Fingerprint-Based Machine Learning Models Open
This work evaluates the performance of four machine learning models (MLMs): support vector machine (SVM), K-nearest neighbor (KNN), discriminant analysis (DA), and logistic regression (LR) in predicting the biodegradability of chemicals, a…
View article: Power/Area-Efficient ECC Processor Implementation for Resource-Constrained Devices
Power/Area-Efficient ECC Processor Implementation for Resource-Constrained Devices Open
The use of resource-constrained devices is rising nowadays, and these devices mostly operate with sensitive data. Consequently, security is a key issue for these devices. In this paper, we propose a compact ECC (elliptic curve cryptography…
View article: Exploration of Biodegradable Substances Using Machine Learning Techniques
Exploration of Biodegradable Substances Using Machine Learning Techniques Open
The concept of being readily biodegradable is crucial in evaluating the potential effects of chemical substances on ecosystems and conducting environmental risk assessments. Substances that readily biodegrade are generally associated with …
View article: A high-speed integrated OFDM/DPS-OCDMA-based FSO transmission system: Impact of atmospheric conditions
A high-speed integrated OFDM/DPS-OCDMA-based FSO transmission system: Impact of atmospheric conditions Open
Free space optics (FSO) communication systems are preferred due to their high transmission capacity so it can support the ever-increasing volume of online traffic. Optical code division multiple access (OCDMA) is ideal for enhancing capaci…
View article: Performance investigations on integrated MMF/FSO transmission enabled by OAM beams
Performance investigations on integrated MMF/FSO transmission enabled by OAM beams Open
This paper introduces a new hybrid system for high-bandwidth and high-transmission-capacity communication. The system integrates a multi-mode fiber (MMF) cable with free space optics (FSO) using orbital angular momentum (OAM) multiplexing.…
View article: Implementation of Shared Laser–LED Sources in a Free Space Optics (FSO) Network under Environmental Impact
Implementation of Shared Laser–LED Sources in a Free Space Optics (FSO) Network under Environmental Impact Open
This paper is devoted to evaluating the combined coherent and incoherent sources (CCIS) technique for different applications in the optical domain and future optical code division multiple access (OCDMA) networks. Spectral amplitude coding…
View article: Performance of Cipher Image Transmission in Free Space Optics Under Foggy Weather
Performance of Cipher Image Transmission in Free Space Optics Under Foggy Weather Open
This paper proposes a new cipher image transmission system in free space optics system (FSO). A secure and effective image cryptosystem algorithm based on the Choquet fuzzy integral (CFI) technique and the integer wavelet transform is util…
View article: Performance evaluation of a 160-Gbit/s OCDMA-FSO system via Laguerre-Gaussian beams under weather conditions
Performance evaluation of a 160-Gbit/s OCDMA-FSO system via Laguerre-Gaussian beams under weather conditions Open
For capacity enhancement of free space optics (FSO) communication, a new model based on using four Laguerre-Gaussian (LG) beams, each carries four different users use optical code division multiplexing (OCDMA) techniques, is proposed. Addi…
View article: Capacity Enhancement for Free Space Optics Transmission System Using Orbital Angular Momentum Optical Code Division Multiple Access in 5G and beyond Networks
Capacity Enhancement for Free Space Optics Transmission System Using Orbital Angular Momentum Optical Code Division Multiple Access in 5G and beyond Networks Open
This paper introduces a novel free space optics (FSO) communication system for future-generation high-speed networks. The proposed system integrates orbital angular momentum (OAM) modes with an optical code division multiple access (OCDMA)…
View article: An Iterative Optimization Approach for Routing, Modulation, and Categorical Spatial Bandwidth Block Allocation to Improve Network Performance for Dynamic Traffic in Elastic Optical Networks
An Iterative Optimization Approach for Routing, Modulation, and Categorical Spatial Bandwidth Block Allocation to Improve Network Performance for Dynamic Traffic in Elastic Optical Networks Open
In this work, we have proposed an iterative optimization model for allocating spectral resources in optical networks. The proposed model gives spatial routes and spatial bandwidth allocations in optical networks with variable data-rates, m…
View article: A QoS Classifier Based on Machine Learning for Next-Generation Optical Communication
A QoS Classifier Based on Machine Learning for Next-Generation Optical Communication Open
Code classification is essential nowadays, as determining the transmission code at the receiver side is a challenge. A novel algorithm for fixed right shift (FRS) code may be employed in embedded next-generation optical fiber communication…
View article: New Algorithm for a Fixed Right Shift Code to Support Different Quality of Services in Smart and Sustainable Optical Networks
New Algorithm for a Fixed Right Shift Code to Support Different Quality of Services in Smart and Sustainable Optical Networks Open
Smart and sustainable cities require a network that can ensure many exchanges of information. In this sense, the deployment of optical fiber seems essential in order to guarantee urban interconnection. In this work, a new algorithm for the…
View article: Reduction of Complexity Design of SAC OCDMA Systems by Utilizing Diagonal Permutation Shift (DPS) Codes with Single Photodiode (SPD) Detection Technique
Reduction of Complexity Design of SAC OCDMA Systems by Utilizing Diagonal Permutation Shift (DPS) Codes with Single Photodiode (SPD) Detection Technique Open
In this paper, a diagonal permutation code is presented for spectral amplitude coding optical code division multiple access (SAC-OCDMA) employing a single photodiode (SPD) detection technique. It is characterized by practical code length a…
View article: Fast Constant-Time Modular Inversion over Fp Resistant to Simple Power Analysis Attacks for IoT Applications
Fast Constant-Time Modular Inversion over Fp Resistant to Simple Power Analysis Attacks for IoT Applications Open
The advent of the Internet of Things (IoT) has enabled millions of potential new uses for consumers and businesses. However, with these new uses emerge some of the more pronounced risks in the connected object domain. Finite fields play a …
View article: Hybrid Single Image Super-Resolution Algorithm for Medical Images
Hybrid Single Image Super-Resolution Algorithm for Medical Images Open
High-quality medical microscopic images used for diseases detection are expensive and difficult to store. Therefore, low-resolution images are favorable due to their low storage space and ease of sharing, where the images can be enlarged w…
View article: Optimized Continuous Wavelet Transform Algorithm Architecture and Implementation on FPGA for Motion Artifact Rejection in Radar-Based Vital Signs Monitoring
Optimized Continuous Wavelet Transform Algorithm Architecture and Implementation on FPGA for Motion Artifact Rejection in Radar-Based Vital Signs Monitoring Open
The continuous wavelet transform (CWT) has been used in radar-based vital signs detection to identify and to remove the motion artifacts from the received radar signals. Since the CWT algorithm is computationally heavy, the processing of t…
View article: Efficient Hardware Implementation of Large Field-Size Elliptic Curve Cryptographic Processor
Efficient Hardware Implementation of Large Field-Size Elliptic Curve Cryptographic Processor Open
Due to rapid development in secured technological devices, the efficient implementation of a large field-size elliptic curve cryptosystem (ECC) is becoming demanding in many critical applications. Therefore, this paper presents a new Montg…
View article: Tools for Fast Metric Data Search in Structural Methods for Image Classification
Tools for Fast Metric Data Search in Structural Methods for Image Classification Open
The article proposes a new classification method based on implementing the high-speed search tools for the indexed data structure created on the etalon set of features, which has significant advantages in processing speed compared to the t…