Results 11 to 20 of about 610 (146)

Operating Characteristic Curves of Optical Packet-Switching Using Optical Code-Division Multiplexing for Label Switching

Photonics, 2023
In this paper, the operating characteristic curves (OCCs) of optical code-division multiplexing (OCDM) technology for label switching of an optical packet-switching (OPS) network was evaluated.
Kai-Sheng Chen, Chung-Lien Pan
doaj   +1 more source

An Efficient Spectral Amplitude Coding (SAC) Technique for Optical CDMA System using Wavelength Division Multiplexing (WDM) Concepts

International Journal of Advanced Computer Science and Applications, 2017
This article introduces an improved method for Optical Code Division Multiple Access system (OCDMA). In this scheme, a hybrid technique is used in which Wavelength Division Multiplexing (WDM) is merged with Spectral Amplitude Coding (SAC) to efficiently diminish Multiple Access Interference (MAI) and alleviate the impact of Phase Induced Intensity ...
Hassan Yousif, Medien Zeghid
openaire   +1 more source

Contribution of New Three-Dimensional Code Based on the VWZCC Code Extension in Eliminating Multiple Access Interference in Optical CDMA Networks

Photonics, 2022
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 the number of simultaneous users, a new three-dimensional spectral/time ...
Mohamed Rahmani, Abdelhamid Cherifi, Abdullah S. Karar, Ghoutia Naima Sabri, Boubakar S. Bouazza   +4 more
doaj   +1 more source

Performance Analysis of Bipolar Optical Code Division Multiple Access with Dual Electro-Optical Modulator Scheme for Free-Space Optical Communication

Techne, 2021
In this study, the performance of bipolar optical code division multiple access (OCDMA) with dual electro-optical modulator (EOM) scheme for multi-user scenario was tested and analyzed with OptiSystem version 10.
Eddy Wijanto
doaj   +1 more source

SAC-OCDMA over Hybrid FTTx Free Space Optical Communication Networks

Journal of Telecommunications and Information Technology, 2015
This paper presents an investigation of Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) over hybrid Fiber-to-the-x (FTTx) Free Space Optical (FSO) link under different weather conditions.
Ratna Kalos Zakiah Sahbudin, Terry Tan Kwang Chun, Siti Barirah Ahmad Anas, Salasiah Hitam, Makhfudzah Mokhtar   +4 more
doaj   +1 more source

Analysis of hybrid subcarrier multiplexing of OCDMA based on single photodiode detection

EPJ Web of Conferences, 2017
This paper analyzes the performance of subcarrier multiplexing (SCM) of spectral amplitude coding optical code multiple access (SAC-OCDMA) by applying Recursive Combinatorial (RC) code based on single photodiode detection (SPD).
Ahmad N. A. A, Junita M. N, Aljunid S.A., Rashidi C.B.M., Endut R.   +4 more
doaj   +1 more source

Multiple-Code Technique for Multi-Rate Transmissions in Optical Packet Switching Networks Based on OCDMA Labels

Photonics, 2019
Supporting multi-rate transmission is an essential factor in current optical packet switching (OPS) networks. In this paper, the author studied a multi-rate scheme capable of forwarding packets with different signal rates based on label switching.
Kai-Sheng Chen
doaj   +1 more source

Performance Analysis of Hybrid PDM-SAC-OCDMA-Enabled FSO Transmission Using ZCC Codes

Applied Sciences, 2023
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 integrating two multiplexing techniques, i.e., spectral amplitude coding-optical ...
Ammar Armghan, Meshari Alsharari, Khaled Aliqab, Mehtab Singh, Somia A. Abd El-Mottaleb   +4 more
doaj   +1 more source

Application and Analysis of Performance of DQPSK Advanced Modulation Format in Spectral Amplitude Coding OCDMA [PDF]

Mehran University Research Journal of Engineering and Technology, 2014
SAC (Spectral Amplitude Coding) is a technique of OCDMA (Optical Code Division Multiple Access) to encode and decode data bits by utilizing spectral components of the broadband source.
Abdul Latif Memon, Khuda Bux Amur, Muhammad Imran Mallik   +2 more
doaj  

Advancing High-Speed Transmissions over OCDMA Networks by Employing an Intelligently Structured Receiver for Noise Mitigation

Applied Sciences, 2018
We propose an intelligently structured receiver to achieve high-speed transmissions over optical code-division multiple access (OCDMA) networks. Employing spectral-amplitude coding (SAC) reduces multiuser interference (MUI) in OCDMA, but the network bit ...
Kai-Sheng Chen, Yi-Chang Chen, Long-Guang Liao   +2 more
doaj   +1 more source