Channel Spacing Effect on SAC-OCDMA System Based Modified-AND Subtraction Detection Scheme

Abstract:

This paper focuses on the performance of different channel spacing with AND as well as modified-AND subtraction detection techniques emphasizing the spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) systems. Modified double-weight (MDW) codes are used as the signature codes for SAC-OCDMA systems. This study has been carried out through simulation of a real-like SAC-OCDMA system by using OptiSystem software from optiwave^TM. It has been found that the modified-AND subtraction detection technique able to provide a good transmission of 0.8nm that close to 1nm channel spacings performance thus show that it is a good solution which able to provide bandwidth efficiency factor to the incoherent SAC-OCDMA system that can cut down 25% of the bandwidth usage.

• Periodical: Key Engineering Materials (Volumes 594-595)
• Pages: 1059-1065
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.594-595.1059
• Online since: December 2013
• Authors: Mat Zain Norazimah, S.A. Aljunid, Hamza M.R. Al-Khafaji, Hilal A. Fadhil, M.S. Anuar
• Keywords: Channel Spacing, MAI, Phase Induce Intensity Noise (PIIN), SAC-OCDMA, Subtraction Detection Scheme

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