High-speed spiral-phase donut-modes-based hybrid FSO-MMF communication system by incorporating OCDMA scheme

M Kumari, A Sharma, S Chaudhary - Photonics, 2023 - mdpi.com
Hybrid free-space optics (FSO) and optical fiber have been viewed as vital transmission
techniques to satisfy high bandwidth and extended transmission range requirements under …

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 …

Wheel-based MDM-PON system incorporating OCDMA for secure network resiliency

M Kumari, V Arya, HMR Al-Khafaji - Photonics, 2023 - mdpi.com
Wheel-based network resilience passive optical network (PON) based on mode division
multiplexing (MDM) can be integrated with optical code division multiple access (OCDMA) …

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 …

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 …

An efficient 2D encoding/decoding technique for optical communication system based on permutation vectors theory

HY Ahmed, M Zeghid, WA Imtiaz, T Sharma… - Multimedia Systems, 2021 - Springer
One dimensional encoding in optical communications has limitations in terms of the number
of supported users and large bandwidth consumption. This study presents a new algorithm …

Performance enhancement of multiple access 3D-OCDMA networks using a pascal triangle codes

A Cherifi, H Mrabet, BS Bouazza, SA Aljunid - Optical and Quantum …, 2020 - Springer
In this paper, a novel Three Dimensional Pascal's Triangle Zero Cross Correlation (3D-
PTZCC) code is proposed for non coherent Spectral Amplitude Coding Optical Code …

Development of OCDMA system in spectral/temporal/spatial domain for non-mapping/MS/MD codes

S Gupta, A Baronia, TS Lawrence, V Sankaradass… - Journal of Optics, 2024 - Springer
The paper proposes the extension of three different one-dimensional OCDMA codes into
three-dimension OCDMA system for improved performance. The three distinct codes are the …

Capacity Improvement of 3D-OCDMA-PON Hybrid System Next Generation Using Weight Zero Cross Correlation Code

A Cherifi, T Mohammed Chikouche, AS Karar… - Applied Sciences, 2023 - mdpi.com
This paper proposes a novel code for optical code division multiple access (OCDMA)
systems, called the three-dimensional (3D) spectral/temporal/spatial single weight zero …