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Design and cost performance of decoding technique for hybrid subcarrier spectral amplitude coding-optical code division multiple access system.


Citation

Sahbudin, Ratna Kalos Zakiah and Abdullah, M.K. and Mokhtar, Makhfudzah and Hitam, Salasiah and Ahmad Anas, Siti Barirah (2011) Design and cost performance of decoding technique for hybrid subcarrier spectral amplitude coding-optical code division multiple access system. Journal of Computer Science, 7 (10). pp. 1525-1531. ISSN 1549-3636

Abstract

Problem statement: A hybrid technique combining subcarrier multiplexed and Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA) deploying the Khazani-Syed code was proposed. It was proposed as a mean of increasing the maximum number of simultaneous active users by increasing the subcarrier and/or the SAC-OCDMA code word. Multiple Access Interference (MAI) is the most dominant cause of performance degradation in SACOCDMA systems. Approach: A decoding technique which was simple and easy to build named Spectral Direct Decoding (SDD) technique was proposed for the hybrid system of subcarrier SACOCDMA. Results: The comparison between the complementary subtraction and proposed SDD techniques for hybrid subcarrier SAC-OCDMA system in terms of cost performance was presented here. Results showed that the cost performance of the SDD technique offers a significant improvement over the complementary subtraction detection technique. Conclusion: It is shown that the cost performance of the hybrid system using SDD technique is significantly better than using the Complementary subtraction technique.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.3844/jcssp.2011.1525.1531
Publisher: Science Publications
Keywords: Cost performance; SDD technique; Hybrid subcarrier; Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA); Spectral Direct Decoding (SDD); Communication systems; Decoding technique.
Depositing User: Nur Farahin Ramli
Date Deposited: 23 Dec 2013 07:01
Last Modified: 23 Dec 2013 07:01
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.3844/jcssp.2011.1525.1531
URI: http://psasir.upm.edu.my/id/eprint/23510
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