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Development of Optical Code Division Multiple Access (OCDMA) for Local Area Network (LAN)
(Universiti Malaysia Perlis, 2008-04)
Nowadays, communication is very important at any place, time and situation. The transmission of the signal can be in wireless or cable. There are three type of division multiple accesses that use in communication system ...
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 ...
Development of double carrier modulation / differential detection technique (DCM/Diff.D)
(Universiti Malaysia Perlis, 2008-04)
A new transmission and detection technique namely Double Carrier Modulation/ Differential Detection (DCM/Diff.D) are represented. The performance between the DCM/Diff.D techniques with the existing system, Wavelength ...
Performance of OCDMA systems with new spectral direct detection (SDD) technique using enhanced double weight (EDW) code
(Elsevier B.V., 2008-09-15)
This paper investigates the performance of enhanced double weight (EDW) code for spectral-amplitude-coding OCDMA (SAC-OCDMA) system using a newly proposed spectral direct detection (SDD) technique. EDW is the enhanced ...
Performance of OCDMA system using and subtraction technique based on EDW code
(Fachverlag Schiele & Schoen GmbH, 2008)
In this paper we will present a full theoretical analysis for detection scheme proposed for spectral amplitude coding-optical code multiple access (SAC-OCDMA) system that using enhanced double weight (EDW) code, the detection ...
Spectral amplitude coding OCDMA using and subtraction technique
(Optical Society of America, 2008-03)
An optical decoding technique is proposed for a spectral-amplitude-coding- optical code division multiple access, namely, the AND subtraction technique. The theory is being elaborated and experimental results have been ...
Improve the signal to noise ratio using AND subtraction technique in optical CDMA
(ACTA Press, 2008-04-02)
AND subtraction technique is proposed and presented in this paper. The theory is being elaborated and the simulation results have been done by comparing AND subtraction technique against Complementary subtraction technique ...
Comparison of wavelength propagation for free space optical communications
(Institute of Electrical and Electronics Engineering (IEEE), 2008)
This paper presents the effect of atmospheric attenuation during severe hazy days for Free Space Optical Communications. The usage of Free Space Optical Communications is still rare in Malaysia due to environment factor. ...
Design of encoder and decoder module for optical code division multiple access (OCDMA) systems for zero cross correlation (ZCC) code based on arrayed waveguide gratings (AWGs)
(Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
We apply the Arrayed Waveguide Grating (AWGs) method for Encoder and Decoder design for complete transmitter and receiver system. The Encoder and Decoder module will be using the AWG to encode and to decode optical source ...