A novel mapping technique for an adaptive length of codes in SAC-OCDMA systems

L Hacini, A Aissaoui - Wireless Personal Communications, 2022 - Springer
In this paper an adaptive mapping technique (AMT) is proposed for spectral amplitude
coding-optical code division multiple access (SAC-OCDMA) system. The main purpose of …

Investigation of Jervol water types properties effects on underwater optical wireless OCDMA system performances for different modulation techniques

C Kandouci - Optical and Quantum Electronics, 2022 - Springer
In this paper, an analytical evaluation of the direct detection OCDMA system is presented in
an underwater wireless optical channel. Performances were evaluated by varying the main …

Nonlinear effect and MAI impact on SAC-OCDMA system based on 2D multi-diagonal code and laser array

H Mrabet, F Bahloul, AS Karar, A Cherifi, A Belghith - Applied Sciences, 2021 - mdpi.com
A new architecture for Spectral Amplitude Coding Optical Code Division Multiple Access
(SAC-OCDMA) system based on two Dimensional Multi Diagonal (2D-MD) codes named 2D …

Performance limits of FSO based SAC-OCDMA system under weather conditions

L Mesri, A Djebbari - Journal of Optical Communications, 2022 - degruyter.com
In this paper, the Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-
OCDMA) is investigated in Free Space Optics (FSO) using Zero Cross Correlation (ZCC) …

PIIN cancellation using a novel receiving architecture for spectral/spatial SAC-OCDMA system

A Bouarfa, M Kandouci, A Garadi… - Journal of Optical …, 2020 - degruyter.com
Increasing the number of users presents a limitation in one-dimensional (1D) spectral
amplitude coding (SAC) for Optical Code Division Multiple Access (OCDMA) system. In …

Performances enhancement of underwater wireless optical communications (UWOC) using pulse position modulation

C Kandouci - Journal of Optical Communications, 2022 - degruyter.com
In this work, we study the performance analysis of underwater optical wireless
communication (UOWC) transmission link by incorporating optical code division multiple …

Development of a new direct AND (D-AND) detection technique for SAC-OCDMA systems using flexible double weight (FDW) code

SM Ammar, N Ali, MA Anuar, MN Saad… - Optical and Quantum …, 2024 - Springer
This paper investigates the performance of the Spectral Amplitude Coding (SAC) Optical
Code Division Multiple-Access (OCDMA) system utilizing the Flexible Double Weight (FDW) …

On the performance of optical codes for FSO systems using SAC-OCDMA technique to improve system performance

H Rawat, N Kumar - Journal of Optics, 2024 - Springer
Abstract FSO (Free Space Optics) and SAC-OCDMA (Spectral Amplitude Coding-Optical
Code Division Multiple Access) systems are the two important popular areas for research in …

Harnessing the power of ML for robust SISO and MIMO FSO communication systems in fog weather

SAA El-Mottaleb, A Elhefny, A Métwalli… - Optical and Quantum …, 2024 - Springer
Abstract This study examines Free Space Optical (FSO) communication's performance in
different fog conditions, focusing on Single-Input Single-Output (SISO) and Multiple-Input …

Cardinality increasing of SAC-OCDMA system using novel decoder design

L Bouhezila, A Bouarfa, A Garadi… - Journal of Optical …, 2023 - degruyter.com
The large number of active users that optical code-division multiple access (OCDMA) offers
makes it an attractive technology choice. OCDMA loses its noise immunity due to non-ideal …