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Now showing items 21-30 of 37
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 ...
Spectral efficiency of unipolar SAC-OCDMA system considering noise effects
(Institute of Electrical and Electronics Engineers (IEEE), 2011-09-25)
In this paper, we evaluate the spectral efficiency of unipolar spectral-amplitude coding optical code-division multiple access (SAC-OCDMA) system operating with incoherent sources in the present of intensity, shot, and ...