Search Results - "Ahmed, Hassan Yousif"

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  1. 1

    Prediction of Chemical Compounds Biodegradability: Molecular Fingerprint-Based Machine Learning Models by Elsayad, Alaa M., Zeghid, Medien, Yousif Ahmed, Hassan, Elsayad, Khaled A.

    Published in IEEE access (2024)
    “…This work evaluates the performance of four machine learning models (MLMs): support vector machine (SVM), K-nearest neighbor (KNN), discriminant analysis (DA),…”
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    Journal Article
  2. 2

    Performance evaluation of a 160-Gbit/s OCDMA-FSO system via Laguerre-Gaussian beams under weather conditions by Abd El-Mottaleb, Somia A., Singh, Mehtab, Yousif Ahmed, Hassan, Zeghid, Medien, Nisar, Kottakkaran Sooppy, Alotaibi, Maged F., Mahmoud, Mona, Weera, Wajaree

    Published in Alexandria engineering journal (15-01-2023)
    “…For capacity enhancement of free space optics (FSO) communication, a new model based on using four Laguerre-Gaussian (LG) beams, each carries four different…”
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    Journal Article
  3. 3

    Two-Dimensional Permutation Vectors’ (PV) Code for Optical Code Division Multiple Access Systems by Yousif Ahmed, Hassan, Zeghid, Medien, A.Imtiaz, Waqas, Sharma, Teena, Chehri, Abdellah, Fortier, Paul

    Published in Entropy (Basel, Switzerland) (20-05-2020)
    “…In this paper, we present a new algorithm to generate two-dimensional (2D) permutation vectors’ (PV) code for incoherent optical code division multiple access…”
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  4. 4

    A high-speed integrated OFDM/DPS-OCDMA-based FSO transmission system: Impact of atmospheric conditions by Singh, Mehtab, Abd El-Mottaleb, Somia A., Yousif Ahmed, Hassan, Zeghid, Medien, Nisar, Kottakkaran Sooppy, Al-Ahmadi, Ameenah N., Mahmoud, Mona

    Published in Alexandria engineering journal (15-08-2023)
    “…Free space optics (FSO) communication systems are preferred due to their high transmission capacity so it can support the ever-increasing volume of online…”
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  5. 5

    Link Congestion Aware Proactive Routing for Dynamic Traffic in Elastic Optical Networks by Khan, Akhtar Nawaz, Yousif Ahmed, Hassan, Zeghid, Medien, Imtiaz, Waqas A., Khan, Zawar H.

    Published in IEEE photonics journal (01-02-2021)
    “…Fixed alternate routing is a potential routing scheme for routing and spectrum allocation (RSA) in elastic optical networks (EON) which has less complexity and…”
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  6. 6

    Chaos Fractal Digital Image Encryption Transmission in Underwater Optical Wireless Communication System by Mohamed, Amira G., Abd El-Mottaleb, Somia A., Singh, Mehtab, Ahmed, Hassan Yousif, Zeghid, Medien, Abdulkawi, Wazie M., Bouallegue, Belgacem, Abdalla, Osman Ahmed

    Published in IEEE access (01-01-2024)
    “…This study introduces a novel image cryptosystem designed to improve security and reliability within underwater optical wireless communication (UOWC) systems…”
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  7. 7

    Hybrid Optimized Approaches for Routing and Resource Reservation Protocols in Optical Networks by Khan, Akhtar Nawaz, Yousif Ahmed, Hassan, Zeghid, Medien, Brahim Belhaouari, Samir, Imtiaz, Waqas, Khattak, Khurram

    Published in IEEE photonics journal (01-08-2021)
    “…We have proposed hybrid approaches to solve dynamic provisioning problems in fixed-grid and elastic optical networks (EON). The proposed approaches use the…”
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  8. 8

    Performance investigations on integrated MMF/FSO transmission enabled by OAM beams by Singh, Mehtab, Abd El-Mottaleb, Somia A., Alwee Aljunid, Syed, Yousif Ahmed, Hassan, Zeghid, Medien, Nisar, Kottakkaran Sooppy

    Published in Results in physics (01-08-2023)
    “…•A new hybrid system for high-bandwidth and high-transmission-capacity communication is introduced.•The system integrates a multi-mode fiber (MMF) cable with…”
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  9. 9

    Speed/Area-Efficient ECC Processor Implementation Over GF(2 ^m) on FPGA via Novel Algorithm-Architecture Co-Design by Zeghid, Medien, Ahmed, Hassan Yousif, Chehri, Abdellah, Sghaier, Anissa

    “…With the rapid evolution of security technology, small field-size elliptic curve-based point multiplication (PM) has gradually become obsolete, leading to the…”
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  10. 10

    Fast Constant-Time Modular Inversion over Fp Resistant to Simple Power Analysis Attacks for IoT Applications by Sghaier, Anissa, Zeghid, Medien, Massoud, Chiraz, Ahmed, Hassan Yousif, Chehri, Abdellah, Machhout, Mohsen

    Published in Sensors (Basel, Switzerland) (25-03-2022)
    “…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…”
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  11. 11

    An efficient 2D encoding/decoding technique for optical communication system based on permutation vectors theory by Ahmed, Hassan Yousif, Zeghid, Medien, Imtiaz, Waqas A., Sharma, Teena, Chehri, Abdellah

    Published in Multimedia systems (01-08-2021)
    “…One dimensional encoding in optical communications has limitations in terms of the number of supported users and large bandwidth consumption. This study…”
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  12. 12

    Capacity Enhancement for Free Space Optics Transmission System Using Orbital Angular Momentum Optical Code Division Multiple Access in 5G and beyond Networks by El-Mottaleb, Somia, Singh, Mehtab, Chehri, Abdellah, Ahmed, Hassan, Zeghid, Medien, Khan, Akhtar

    Published in Energies (Basel) (01-10-2022)
    “…This paper introduces a novel free space optics (FSO) communication system for future-generation high-speed networks. The proposed system integrates orbital…”
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  13. 13

    A configurable transmitter-receiver structure to support QoS for spectral amplitude coding-optical code division multiple access by Yousif Ahmed, Hassan, Zeghid, Medien, Imtiaz, Waqas A., Sharief, Yahia, Mohammed Abdalla, Omer

    Published in Optical fiber technology (01-09-2020)
    “…•Development of new SSM families.•A configurable transmitter–receiver structure using SSMSSM code to support QoS.•High and Low QoS diversity are offered based…”
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  14. 14

    Performance Analysis of a spectral-efficient high-speed Hybrid PDM-MDM Enabled Integrated MMF-FSO transmission by Abd El-Mottaleb, Somia A., Singh, Mehtab, Ahmed, Hassan Yousif, Zeghid, Median, Nisar, Kottakkaran Sooppy

    Published in IEEE photonics journal (01-08-2023)
    “…This article proposes a novel 2 × 4 × 10 Gbps hybrid multi-mode-fiber (MMF) free-space optics-communication (FSOC) system based on integrating two multiplexing…”
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  15. 15

    K-nearest neighbor model for classification between four different Hermite gaussian beams in MDM/FSO systems under rainy weather by Singh, Mehtab, Métwalli, Ahmed, Ahmed, Hassan Yousif, Zeghid, Medien, Nisar, Kottakkaran Sooppy, Abd El-Mottaleb, Somia A.

    Published in Optical and quantum electronics (01-11-2023)
    “…In this paper the K-Nearest Neighbor (KNN) model which is one of machine learning (ML) algorithm is applied to distinguish between the four distinct Hermite…”
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  16. 16

    Two dimensional optimized enhanced multi diagonal code for OCDMA passive optical networks by Imtiaz, Waqas A., Ahmed, Hassan Yousif, Zeghid, Medien, Sharief, Yahia

    Published in Optical and quantum electronics (2020)
    “…This paper optimizes the design of two-dimensional enhanced multi diagonal (2D-EMD) code and conventional spectral/spatial (SS) optical code division multiple…”
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  17. 17

    Performance Enhancement of FSO Communication System Under Rainy Weather Environment Using a Novel Encryption Technique by El-Mottaleb, Somia A. Abd, Mohamed, Amira G., Ahmed, Hassan Yousif, Zeghid, Medien

    Published in IEEE access (2024)
    “…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…”
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  18. 18

    Efficient Hardware Implementation of Large Field-Size Elliptic Curve Cryptographic Processor by Lee, Chiou-Yng, Zeghid, Medien, Sghaier, Anissa, Ahmed, Hassan Yousif, Xie, Jiafeng

    Published in IEEE access (2022)
    “…Due to rapid development in secured technological devices, the efficient implementation of a large field-size elliptic curve cryptosystem (ECC) is becoming…”
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  19. 19

    The multi-service schemes for SAC-OCDMA systems with variable code weight by Nisar, Kottakkaran Sooppy, Ahmed, Hassan Yousif, Zeghid, Medien, Imtiaz, Wagas A., Sarangal, Himali, Thapar, Simrandeep Singh

    Published in Optical and quantum electronics (01-06-2021)
    “…A new variable weight zero cross correlation code (VZCC) is designed that support different class of services in spectral encoding for OCDMA scheme. The…”
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  20. 20

    High attitude platform free space optics system using various filtering operations for fifth generation system by Fadhil, Hilal A., Ahmed, Hassan Yousif, Zeghid, Medien, Imtiaz, Waqas A.

    Published in Optical and quantum electronics (01-08-2021)
    “…This paper presents high attitude platform Free space optics (HAP-FSO) channels using various filtering operations for fifth generation (5G) system…”
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