Optical code construction of 2D spectral/spatial BIBD codes for SAC-OCDMA systems

T Sharma, A Chehri, P Fortier, H Yousif Ahmed… - Applied sciences, 2021 - mdpi.com
Optical code division multiple access (OCDMA) shows limitations in terms of the inefficient
bandwidth utilization and low spectral density with one-dimensional (1D) codes. To …

Two-dimensional permutation vectors'(PV) code for optical code division multiple access systems

H Yousif Ahmed, M Zeghid, W A. Imtiaz, T Sharma… - Entropy, 2020 - mdpi.com
In this paper, we present a new algorithm to generate two-dimensional (2D) permutation
vectors'(PV) code for incoherent optical code division multiple access (OCDMA) system to …

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 …

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 …

Simulative investigation of spectral amplitude coding based OCDMA system using quantum logic gate code with NAND and direct detection techniques

T Sharma, RK Maddila, SA Aljunid - Current Optics and Photonics, 2019 - opg.optica.org
Spectral Amplitude Coding Optical Code Division Multiple Access (SAC OCDMA) is an
advanced technique in asynchronous environments. This paper proposes design and …

[PDF][PDF] Performance and security analysis of novel ZCCRW codes in lower earth orbit based MDM-OWC incorporating hybrid modulations

R Kaur, RS Kaler - Journal of Electrical Engineering, 2021 - sciendo.com
Explosive data rate requirements in the satellite communication for surveillance, military
services, and broadcasting have put peer pressure on the optical wireless communication …

Implementation of shared laser–LED sources in a free space optics (FSO) network under environmental impact

ASA Hassan, HY Ahmed, HA Fadhil, M Zeghid… - Electronics, 2023 - mdpi.com
This paper is devoted to evaluating the combined coherent and incoherent sources (CCIS)
technique for different applications in the optical domain and future optical code division …

Optical code construction based on enhanced quantum logic gate (EQLG) technique for spectral amplitude coding optical CDMA systems

T Sharma, R Kumar Maddila - Wireless Personal Communications, 2020 - Springer
Abstract Spectral Amplitude Coding Optical Code Division Multiple Access (SAC–OCDMA)
is an auspicious advancement in an asynchronous environments. In this paper, we have …

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 of zero cross correlation resultant weight spectral amplitude codes in lower Earth orbit‐based optical wireless channel system

R Kaur, RS Kaler - International Journal of Communication …, 2020 - Wiley Online Library
A consolidated performance investigation and design of newly constructed zero cross
correlation resultant weight (ZCCRW) code is presented without map** over optical …