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Now showing items 21-30 of 38
New code structures based on coherent and incoherent sources for spectral amplitude coding-OCDMA systems
(Institute of Electrical and Electronics Engineers (IEEE), 2009-04-03)
A new code of optical code division multiple access (OCDMA) based on Spectral Amplitude Coding (SAC) is described and analyzed. The coding technique is called Random Diagonal "RD" code. One of the important properties of ...
Enhanced performance of SAC-OCDMA system based on SPD detection utilizing EDFA for access networks
(Engineering and Technology Publishing, 2014-02)
In this paper, we present the impact of an EDFA (Erbium Doped Fibre Amplifier) for high data rate in Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) networks. A Single photodiode (SPD) detection ...
Effective design of optical code-division multiple access network using random diagonal codes
(Institute of Electrical and Electronics Engineers (IEEE), 2008-08-26)
In this paper we study the use of a new code called Random Diagonal (RD) code for Spectral Amplitude Coding (SAC) optical Code Division Multiple Access (CDMA) networks, using Fiber Bragg-Grating (FBG), FBG consists of a ...
New design of Flexible Cross Correlation (FCC) code for SAC-OCDMA system
(Elsevier B.V., 2013)
In this paper, we present, several aspects of unipolar optical code-division multiple access (OCDMA) codes, focusing on the flexible inphase cross-correlation code algorithm and its potential for future optical networks. ...
Enhancement of performance of a hybrid SAC–OCDMA system using dynamic cyclic shift code
(Institute of Physical Optics, 2012)
A hybrid subcarrier multiplexing (SCM) technique incorporating spectral amplitude coding and optical code division multiple access (SAC-OCDMA) technologies is investigated using both numerical and simulation methods. The ...
Variable cross-correlation code construction for spectral amplitude coding optical CDMA networks
(Elsevier Ltd., 2012-06)
We present, for the first time, several aspects of incoherent optical code-division multiple access (OCDMA) codes, focusing on the flexible variable cross-correlation code allocation and its potential for future optical ...
Design and simulation a new code with zero cross-correlation for SAC-OCDMA networks
(INSInet Publications, 2012-03)
Design and simulation of new code family for the Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA) networks is present. The new code family called Multi Diagonal (MD) code. The MD code family ...
New code for spectral-amplitude coding optical code-division multiple-access systems
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-16)
In this paper we present a novel code family for SAC-OCDMA system. The new code technique is called Dynamic Cyclic Shift (DCS) code. Which more flexible in selection the code length with variable cross correlation. ...
Reducing BER of spectral-amplitude coding optical code-division multiple-access systems by single photodiode detection technique
(European Optical Society, 2013-03)
In this paper, we present a single photodiode detection (SPD) technique for spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) systems. The proposed technique eliminates both phase-induced intensity ...
Reducing BER of spectral-amplitude coding optical code-division multiple-access systems by single photodiode
(European Optical Society, 2013)
In this paper, we present a single photodiode detection (SPD) technique for spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) systems. The proposed technique eliminates both phase-induced intensity ...