[HTML][HTML] Modeling of satellite-to-underwater integrated FSO-PON system using NOMA-VLC

V Arya, M Kumari, HMR Al-Khafaji, SA Aljunid - Symmetry, 2023 - mdpi.com
In recent years, optical wireless communication has promised several benefits over radio
frequency communication in atmospheric, deep space and underwater communications …

Design of ring-based 1 Tbps hybrid PON-FSO fault protection system using add/drop multiplexer

M Kumari, V Arya - Optical and Quantum Electronics, 2023 - Springer
The demand for fault protection transmission link with high-speed, high security and long-
reach in an optical access network is growing at an exponential rate. It is quite difficult to …

[HTML][HTML] Performance analysis of hybrid PDM-SAC-OCDMA-enabled FSO transmission using ZCC codes

A Armghan, M Alsharari, K Aliqab, M Singh… - Applied Sciences, 2023 - mdpi.com
The need for a high-speed transmission network has become essential due to the
exponential increase in traffic. In this paper, a free-space-optics (FSO) link modelled by …

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 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 …

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 …

Modeling of disaster resilience 5G fronthaul/backhaul hybrid ring-mesh topology based PON/FSO system using 2D-modified FRS code

M Kumari - Optical and Quantum Electronics, 2023 - Springer
This work presents a hybrid ring-mesh topology based passive optical network with free
space optics (PON/FSO) model for bidirectional transmission at 10× 10/10Gbps throughput …

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 …

[HTML][HTML] 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 …