A comparative study of asynchronous and synchronous OCDMA systems

H Mrabet, A Cherifi, T Raddo, I Dayoub… - IEEE Systems …, 2020 - ieeexplore.ieee.org
This article presents a detailed survey on both asynchronous and synchronous Optical Code-
Division Multiple-Access (OCDMA) systems based on 1-D, 2-D, and 3-D codes, distinctively …

Performance analysis of OCDMA wireless communication system based on double length modified prime code for security improvement

MA Morsy, AS Alsayyar - IET communications, 2020 - Wiley Online Library
In this study, a construction analysis and design of a new spreading code set are presented.
This code is designed to be used as a source code in optical wireless communication …

Performance analysis of coherent BPSK-OCDMA wireless communication system

MA Morsy, AS Alsayyari - Wireless Networks, 2020 - Springer
In this paper, the design analysis and construction of the Optical Wireless Communication
(OWC) system are presented based on a new spreading code sequence. This new code is …

A new hybrid prime code for OCDMA network multimedia applications

MA Morsy, MH Aly - Electronics, 2021 - mdpi.com
This paper presents a new family of spreading code sequences called hybrid prime code
(HPC), to be used as source code for the optical code division multiple access (OCDMA) …

Coherent OCDMA network based on a new BER performance equalization technique for multimedia applications

MA Morsy - Optical and Quantum Electronics, 2023 - Springer
This paper presents the methodology of using a new performance equalization technique
(PET) in the coherent optical code division multiple access (OCDMA) system for different …

Performance analysis of incoherent PPM‐OCDMA networks based on optimised modified prime code for multimedia applications

MA Morsy, AS Alsayyari - IET Communications, 2020 - Wiley Online Library
This study presents the design analysis and correlation properties of a new spreading code
for the incoherent synchronous pulse position modulation‐optical code division multiple …

A 930 m/180 Gbps* User Underwater Coherent Optical Code-Division Multiple-Access Network Based on Hybrid 256-Differential Pulse Position Modulation and …

MAM Ismail, K Saleh - Photonics, 2024 - mdpi.com
Currently, there are three types of optical communication networks based on the
communication channel between the transmitter and receiver: the optical fiber channel …

BER performance of OCDMA system based on optimised 2D PhC passive encoder

MA Morsy, AS Alsayyari - IET Communications, 2020 - Wiley Online Library
This study introduces an accurate design and optimisation of a passive optical code division
multiple access (OCDMA) network encoder using the coupled cavity waveguide (CCW) as …

Performance control of incoherent synchronous PPM-OCDMA networks

MA Morsy, AS Alsayyari - 2019 2nd IEEE Middle East and …, 2019 - ieeexplore.ieee.org
In this paper, the structure of an incoherent synchronous optical encoding–decoding
technique utilizing Optical Code Division Multiple Access (OCDMA) network is introduced …

Influence of Manchester encoding over spreading codes used in multiple access techniques for IoT purposes

A Badea, S Halunga, M Berceanu… - 2019 IEEE 25th …, 2019 - ieeexplore.ieee.org
This paper presents a new approach for the use of spreading codes in multiple access
systems. Such systems have a number of drawbacks, the most important one being that, with …