Results 1 to 10 of about 567 (104)

Differential Service in a Bidirectional Radio-over-Fiber System over a Spectral-Amplitude-Coding OCDMA Network

Photonics, 2016
A new scheme of radio-over-fiber (RoF) network based on spectral-amplitude-coding (SAC) optical code division multiple access (OCDMA) is herein proposed.
Chao-Chin Yang, Kai-Sheng Chen, Jen-Fa Huang, Jia-Cyuan Kuo   +3 more
doaj   +3 more sources

Packet Switching Strategy and Node Architecture of Extended Spectral-Amplitude-Coding Labels in GMPLS Networks

Applied Sciences, 2019
We present packet switching applications based on extended spectral-amplitude-coding (SAC) labels in generalized multi-protocol label switching (GMPLS) networks.
Kai-Sheng Chen
doaj   +3 more sources

Performance analysis of wavelength multiplexed SAC OCDMA codes in beat noise mitigation in SAC OCDMA systems [PDF]

Journal of the European Optical Society-Rapid Publications, 2013
In this paper we investigate the use of wavelength multiplexed spectral amplitude coding (WM SAC) codes in beat noise mitigation in coherent source SAC OCDMA systems.
Alhassan A. M., Badruddin N., Saad N. M., Aljunid S. A.   +3 more
doaj   +1 more source

Implicit Label Number for Optical Packets in Label Switching Networks Based on Spectral Amplitude Coding and OCDM Path

IEEE Photonics Journal, 2022
This paper presents an implicit labeling scheme where stacked spectral-amplitude-coding (SAC) labels are inscribed in multiple payload bits in the packet front.
Kai-Sheng Chen
doaj   +1 more source

Design configuration of encoder and decoder modules for modified double weight (MDW) code spectral amplitude coding (SAC) optical code division multiple access (OCDMA) based on fiber bragg gratings [PDF]

Proceedings of CAOL 2005. Second International Conference on Advanced Optoelectronics and Lasers, 2005., 2006
In this work, we are proposing the serial and parallel configurations of encoder and decoder modules to encode and decode a new developed spectral amplitude coding (SAC) known as modified double weight (MDW) code for optical code division multiple access (OCDMA) system.
Z. Zan, S.A. Aljunid, M.H. Yaacob, M.K. Abdullah, S. Shaari   +4 more
openaire   +1 more source

Design of Bipolar Optical Code-Division Multiple-Access Techniques Using Phase Modulator for Polarization Coding in Wireless Optical Communication

Applied Sciences, 2021
In this study, a bipolar optical code-division multiple-access (Bi-OCDMA) technique based on spectral amplitude coding (SAC) was proposed by using a phase modulator to realize polarization coding through a free-space optical (FSO) channel.
Eddy Wijanto, Chun-Ming Huang
doaj   +1 more source

Design of a High-Speed OFDM-SAC-OCDMA-Based FSO System Using EDW Codes for Supporting 5G Data Services and Smart City Applications

Frontiers in Physics, 2022
A novel free space optics (FSO) system is introduced in this article by combining orthogonal frequency division multiplexing (OFDM) with spectral amplitude coding optical code division multiple access (SAC-OCDMA) to be implemented in 5G technology and ...
Mehtab Singh, Jan Kříž, M. M. Kamruzzaman, Vigneswaran Dhasarathan, Abhishek Sharma, Somia A. Abd El-Mottaleb   +5 more
doaj   +1 more source

Complimentary code keying of spectral amplitude coding signals in optical buffering with increased capacity

Journal of the European Optical Society-Rapid Publications, 2020
Signal buffering services such as contention resolution and congestion avoidance are essential in optical packet switching networks. In this paper, an optical memory scheme based on spectral amplitude coding (SAC) and complementary code keying (CCK) is ...
Kai-Sheng Chen, Wien Hong
doaj   +1 more source

Reducing BER of spectral-amplitude coding optical code-division multiple-access systems by single photodiode detection technique [PDF]

Journal of the European Optical Society-Rapid Publications, 2013
In this paper, we present a single photodiode detection (SPD) technique for spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) systems.
Al-Khafaji H. M. R., Aljunid S. A., Amphawan A., Fadhil H. A., Safar A. M.   +4 more
doaj   +1 more source

Nonlinear Effect and MAI Impact on SAC-OCDMA System Based on 2D Multi-Diagonal Code and Laser Array

Applied Sciences, 2021
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-MD SAC-OCDMA and utilizing a laser optical source is proposed for Long-Reach Passive ...
Hichem Mrabet, Faouzi Bahloul, Abdullah S. Karar, Abdelhamid Cherifi, Aymen Belghith   +4 more
doaj   +1 more source