Massive capacity of novel three‐dimensional OCDMA‐FSO system for next generation of high‐data wireless networks

M Rahmani, GN Sabri, A Cherifi… - Transactions on …, 2024 - Wiley Online Library
The present study examines an interesting wireless system known as spectral/temporal/
spatial‐optical code division multiple access‐free space optics (OCDMA‐FSO) by …

Performance investigation of 1.5 Tb/s optical hybrid 2D-OCDMA/OFDM system using direct spectral detection based on successive weight encoding algorithm

M Rahmani, A Cherifi, GN Sabri, MI Al-Rayif… - Optics & Laser …, 2024 - Elsevier
In order to raise the performance of optical communication systems, it is imperative mainly to
increase the number of available users while decreasing the bit error rate (BER) in the …

Performance improvement of SAC-OCDMA network utilizing an identity column shifting matrix (ICSM) code

M Alayedi, A Cherifi, AF Hamida, R Matem… - … Cybercrimes, and Smart …, 2022 - Springer
In general, SAC-OCDMA systems are confronted with many shortcomings that affect their
performance, for instance, multiple access interference (MAI), phase-induced intensity noise …

Performance enhancement of SAC-OCDMA system using an identity row shifting matrix code

M Alayedi, A Cherifi, A Ferhat Hamida… - … and Applications: ICITA …, 2022 - Springer
In order to face the shortcomings and problems, in spectral amplitude coding-optical code-
division multiple access (SAC-OCDMA) systems, presented by multiple access interference …

Multi-dimensional Sigma Shift Matrix (nD-SSM) code with adaptable Transmitter-Receiver architecture to support multiclass users for SAC-OCDMA system.

HY Ahmed, M Zeghid, M Mohyeldien… - IEEE …, 2024 - ieeexplore.ieee.org
This work introduces an nD algorithm to generate multi-dimensional Sigma Shift Matrix (nD-
SSM) code sequences is proposed, which is based on spectral/temporal/spatial incoherent …

A novel 260 Gb/s 2D-OCDMA-FSO multiplexing system's performance evaluation for upcoming generations of high-speed wireless optical networks

M Rahmani, A Cherifi, GN Sabri, MI Al-Rayif… - Optical and Quantum …, 2024 - Springer
This study investigated a novelty system known as optical code division multiple access-free
space optics (OCDMA-FSO) based on a new two-dimensional successive weight (2D-SW) …

Efficient 2D NZCC/MD code for SAC-OCDMA systems based on direct spectral/spatial dimension detection and WF

R Berber, M Chetioui, F Bouasria… - TELKOMNIKA …, 2023 - telkomnika.uad.ac.id
One dimensional (1D) spectral amplitude coding-optical code division multiple access (SAC-
OCDMA) systems are generally known by a strict limitation in the‎ number of users that can …

Performance analysis of optical spectral amplitude CDMA system unipolar codes with double weight construction design

H MN, S Tarannum - Journal of Optical Communications, 2022 - degruyter.com
Abstract Optical Codes Division Multiple Access is a multiplexing approach in which the
transmitter a distinguishable optical code is assigned to each user in the communication …

Quality of Service Improvement of 2D-OCDMA Network Based on Two Half of ZCC Code Matrix

M Alayedi - … of International Conference on Information Technology …, 2023 - Springer
In this paper, a novel code construction of two dimensional spectral/spatial code based on
halve matrices code named two dimensional-Half Spectral/Spatial zero cross correlation (2D …

Analysis and evaluation of multi-access OCDMA systems in next generation network

M Alayedi - 2022 - dspace.univ-setif.dz
Optical Code Division Multiple Access (OCDMA) systems suffer from some constraints,
which in turn limit their performances such as multiple access interference (MAI) that is …