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Now showing items 31-40 of 62
APD gain effect on SAC-OCDMA system using modified-and detection technique
(Asian Research Publication Network, 2013-07)
This paper investigates the avalanche photodiode (APD) gain effect on spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) system using a modified-AND subtraction detection in comparison to the ...
A cost-effective method for high-quality 60GHZ optical millimeter wave signal generation based on frequency quadrupling
(EMW Publishing, 2013)
In this paper, we present a cost effective method to generate a high-quality quadruple frequency optical millimeter- wave (MMW) signal using an integrated dual-parallel Mach-Zehnder modulator (IDP-MZM). Not only does the ...
Performance evaluation of Fi-Wi network based on SCM-optical code division multiple access architecture
(Elsevier GmbH, 2013-10)
This paper investigates the performance of a spectral amplitude coding (SAC)-OCDMA system design utilizing subcarrier multiplexing techniques for use in the popular fiber-wireless (Fi-Wi) technology. Zero cross correlation ...
Performance improvement of spectral amplitude coding-optical code division multiple access systems using NAND detection with enhanced double weight code
(The Optical Society of Japan, 2012-01)
The bit-error rate (BER) performance of the spectral amplitude coding-optical code division multiple access (SACOCDMA) system has been investigated by using NAND subtraction detection technique with enhanced double weight ...
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 ...
Cognitive wireless sensor actor network: an agricultural perspective
(ICIC International, 2014-04)
Intelligent environments are exposing the next revolutionary steps of development technologies in automation of building, industrial, home, and transportation systems. The new generation of Wireless Sensor Actor Networks ...
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 ...
Optimum transmit power for optical CDMA transmission systems considering nonlinear stimulated brillouin scattering (SBS) effects
(Institute of Electrical and Electronics Engineers (IEEE), 2008-12-01)
The optimum transmit power for an optical code division multiple access (OCDMA) system based on enhanced double weight (EDW) code is evaluated for various transmission distances considering the nonlinear stimulated Brillouin ...
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. ...