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 …

MDW and EDW/DDW codes with AND subtraction/single photodiode detection for high performance hybrid SAC-OCDMA/OFDM system

SAA El-Mottaleb, HA Fayed, NE Ismail, MH Aly… - Optical and quantum …, 2020 - Springer
In this paper, a hybrid system is introduced using orthogonal frequency division multiplexing
(OFDM) technique with spectral amplitude coding optical code division multiple access …

A performance investigation of SAC-OCDMA system based on a spectral efficient 2D cyclic shift code for next generation passive optical network

K Meftah, A Cherifi, A Dahani, M Alayedi… - Optical and Quantum …, 2021 - Springer
A two dimensional spectral/spatial cyclic shift (2D-CS) optical code division multiple access
(OCDMA) systems is proposed for a potentially next generation passive optical network (NG …

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 …

A fair comparison of SAC-OCDMA system configurations based on two dimensional cyclic shift code and spectral direct detection

M Alayedi, A Cherifi, A Ferhat Hamida… - Telecommunication …, 2022 - Springer
This paper investigates shortcomings that limit the performance of optical code division
multiple access (OCDMA) systems including the low cardinality and data rate as well as the …

Performance improvement of optical multiple access CDMA network using a new three-dimensional (spectral/time/spatial) code

M Alayedi, A Cherifi, AF Hamida, BS Bouazza… - Wireless Personal …, 2021 - Springer
In this paper, a novel code named three dimensional single weight zero cross correlation
(3D-SWZCC) code has been developed for spectral/time/spatial (S/T/S) encoding in non …

Contribution of new three-dimensional code based on the VWZCC code extension in eliminating multiple access interference in optical CDMA networks

M Rahmani, A Cherifi, AS Karar, G Naima Sabri… - Photonics, 2022 - mdpi.com
In order to solve the problem of one-dimensional code length, two-dimensional code spatial
length, phase induced intensity noise PIIN effect, improved system capacity, and increased …

Contribution of OFDM modulation to improve the performance of non-coherent OCDMA system based on a new variable weight zero cross correlation code

M Rahmani, A Cherifi, GN Sabri, BS Bouazza… - Optical and Quantum …, 2022 - Springer
This study aims at proposing a new model of non-coherent spectral amplitude coding optical
code division multiple access (SAC-OCDMA) systems merged with adaptive orthogonal …

A performance analysis of a hybrid OCDMA-PON configuration based on IM/DD fast-OFDM technique for access network

H Mrabet - Applied Sciences, 2020 - mdpi.com
The purpose of this article is to propose a new configuration based on OCDMA and Fast-
OFDM techniques for access network applications. A hybrid intensity modulation with direct …

Performance enhancement of the 3D OCDMA system by using dynamic cyclic shift and multi-diagonal codes

N Jellali, M Najjar, M Ferchichi, V Janyani - Photonic Network …, 2019 - Springer
A new three-dimensional (3D) code is developed for spectral/time/spatial optical code
division multiple access (OCDMA) system namely 3D dynamic cyclic shift/multi-diagonal (3D …