Comparative Performance of Hybrid SCM SACOCDMA System Using Complementary and Subtraction Detection Techniques

Sahbudin, Ratna and Syed Junid, Syed Alwee Aljunid and Mohd, Abdullah and Abdul Samad, Mohd and Mahdi, Mohd Adzir and Ismail, Mahamod (2008) Comparative Performance of Hybrid SCM SACOCDMA System Using Complementary and Subtraction Detection Techniques. The International Arab Journal of Information Technology, 5 (1). pp. 61-65. ISSN 1683-3198

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Abstract

This paper presents the comparative performance of two detection schemes based on subtraction detection technique for a hybrid scheme of subcarrier multiplexed spectral-amplitude-coding optical code division multiple access (SCM SAC-OCDMA) system. SAC-OCDMA systems are receiving more attention because of their ability to completely eliminate multi access interference by using code sequences with fixed in-phase cross correlation. On the other hand, the SCM scheme is capable of improving the channel data rate of OCDMA systems. This hybrid scheme is proposed for the benefit of combining the advantages of both schemes. Consequently, the hybrid system is robust against interference and is much more spectrally efficient. Double weight code family is a new code structure used for SAC-OCDMA system. The experimental simulation results show that the proposed new AND subtraction detection technique improve the system performance significantly.

Item Type:Article
Keyword:Hybrid SCM SAC-OCDMA, subtraction detection technique, multi access interference, optical communication system.
Faculty or Institute:Faculty of Engineering
Publisher:Zarqa Private University
ID Code:8160
Deposited By: Mardhiah Mat Jusoh
Deposited On:18 Oct 2010 11:03
Last Modified:27 May 2013 07:37

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