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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 ...
New code structure for spectral amplitude coding OCDMA system
(The institute of Electronics, Information and Communication Engineers (IEICE), 2008-10)
A new code structure for spectral amplitude coding in optical code division multiple access (OCDMA) systems called Smart Direct Detection (SDD) code is proposed. SDD code is constructed using code segment and data segment. ...
Random diagonal codes for spectral amplitude coding optical CDMA systems using fiber Bragg-Grating
(Institute of Electrical and Electronics Engineering (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 ...
Encoder and decoder modules of OCDM system using fiber-bragg grating (FBG) for metro area network
(Institute of Electrical and Electronics Engineering (IEEE), 2008-08-26)
Encoder and decoder modules of OCDM system using Fiber Bragg Grating (FBG) is presented in this paper. In OCDM system, the unique code sequence is formed by using spectral components which are inherently arranged. This is ...
Study of rain attenuation consequence in free space optic transmission
(Institute of Electrical and Electronics Engineering (IEEE), 2008)
This paper is to provide the preliminary result and activities of a research program at UNIMAP on rain attenuation in the Perlis region. The project uses the LaserBit product; model LB- 2500 and LB-5000 which can maximum ...