Results 91 to 100 of about 102,182 (133)

Development of SAC–OCDMA in FSO with multi-wavelength laser source

Optics Communications, 2015
Abstract We propose and demonstrate a free space optical network, based on spectral amplitude coding optical code division multiple access (SAC–OCDMA) with a multi-wavelength laser source. A detailed theoretical analysis that represents the characteristics of SAC–OCDMA system was developed.
Ahmad Shukri Muhammad Noor, Mohd Adzir Mahdi, Majid Moghaddasi   +2 more
exaly   +2 more sources

Design and Analysis of Different Decoders for SAC-OCDMA Systems

2016
Spectral amplitude coding for OCDMA (SAC-OCDMA) reduces MAI as compared to other types of OCDMA coding techniques. Different decoder designs are presented for spectral amplitude coding which are simulated on OptiSystem-13. Enhanced double weight code is used in wavelength selection of users for simulation.
Soma Kumawat, M Ravi Kumar
exaly   +2 more sources

Exact analysis of signal-to-noise ratio for SAC-OCDMA system with direct detection

Optik, 2017
IF=0.835International audienceIn this paper, an exact signal-to-noise-ratio (SNR) analysis is carried out for spectral amplitude coding optical code division multiple access (SAC-OCDMA) system with spectral direct detection (SDD).
Ali Djebbari
exaly   +2 more sources

Performance of MQC Code-Based SAC-OCDMA in FSO System

Lecture Notes in Networks and Systems, 2022
Jahedul Islam, Md Jahedul Islam
exaly   +2 more sources

SOA/SPD-based incoherent SAC-OCDMA system at 9×5Gbps [PDF]

IEICE Electronics Express, 2013
To boost the performance of spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) systems, the need for an effective solution to diminish phase-induced intensity noise (PIIN) is becoming progressively more crucial.
Hilal A. Fadhil, Angela Amphawan, Hamza Mohammed Ridha Al-Khafaji   +2 more
exaly   +2 more sources

New Design of Flexible Cross Correlation (FCC) Code for SAC-OCDMA System [PDF]

Procedia Engineering, 2013
In this paper, we present, several aspects of unipolar optical code-division multiple access (OCDMA) codes, focusing on the flexible in-phase cross-correlation code algorithm and its potential for future optical networks.
Hilal A. Fadhil, M S Anuar, F Ghani
exaly   +3 more sources

Capacity of SOA-Assisted SAC-OCDMA

IEEE Photonics Technology Letters, 2010
We present, for the first time, the performance analysis of spectral amplitude coded optical code-division multiple access (SAC-OCDMA) systems using a multicanonical Monte Carlo algorithm, and examine the efficiency of semicondutor optical amplifier (SOA)-based intensity noise suppression in SAC-OCDMA as the number of users is increased.
Amirhossein Ghazisaeidi, Leslie Ann Rusch   +1 more
openaire   +1 more source

The SAC OCDMA PON with Super Perfect Difference Code

2011 IEEE International Conference on Communications (ICC), 2011
In this article, the super perfect difference (SPD) code family is presented and used in the compact spectral amplitude code (SAC) optical code-division multiple-access (OCDMA) passive optical networks (PONs). Based on the excellent properties of the SPD, such as low in-phase cross correlation (IPCC) value, cyclic shift, and excellent orthogonality, we
Shin-Pin Tseng, Jingshown Wu
openaire   +1 more source

System design for a SAC OCDMA-FSO network

2017 4th International Conference on Signal Processing and Integrated Networks (SPIN), 2017
Over the last two decades free space optics (FSO) have turned out to be increasingly fascinating as an alternative to radio frequency communication which can support longer distance and provides higher bandwidth. An Optical code division multiple access (OCDMA) over the FSO communication system is very beneficial to offer high data rate transmission ...
Urmila Bhanja, Alamasety Swati, Arpita Khuntia   +2 more
openaire   +1 more source

Performance analysis of a SAC-OCDMA FSO network

2017 4th International Conference on Signal Processing, Computing and Control (ISPCC), 2017
With the emerging of advanced technologies in the global market, now-a-days optical networks are the most ideal medium for high bandwidth communication. Optical wireless networks predicated on free space optics (FSO) technology must be designed to combat changes in the atmosphere, which can affect FSO system performance capacity.
Urmila Bhanja, Arpita Khuntia, Alamasety Swati   +2 more
openaire   +1 more source