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 …

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 …

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 …

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) …