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Spectral amplitude coding OCDMA: Performance analysis on detection schemes using vectors combinatorial code families

In Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) system, Multip-user Interference (MUI) problem which increases with the number of users severely limits the performance of the system. However, phase induce intensity noise (PIIN) arising from spontaneous emission of broa...

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Main Authors: Ahmed, H.Y., Faye, Ibrahima, Saad, N.M., Aljunid, S.A.
Format: Citation Index Journal
Published: 2009
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.utp.edu.my/2727/1/eprints.pdf
http://eprints.utp.edu.my/2727/
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spelling my.utp.eprints.27272017-01-19T08:25:34Z Spectral amplitude coding OCDMA: Performance analysis on detection schemes using vectors combinatorial code families Ahmed, H.Y. Faye, Ibrahima Saad, N.M. Aljunid, S.A. TK Electrical engineering. Electronics Nuclear engineering In Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) system, Multip-user Interference (MUI) problem which increases with the number of users severely limits the performance of the system. However, phase induce intensity noise (PIIN) arising from spontaneous emission of broad band source is another problem leads to system deterioration should be addressed. Moreover, a proper design of detection scheme which is being able to extract the wanted signal from the unwanted signal successfully needs to be considered as well. In order to overcome the stated problems, Vectors Combinatorial Codes (VCC) with ideal in-phase cross correlation, based on combinations of specific vectors is proposed. In our approach, any integer number of users and weights can be used in code construction. This makes our proposed code a strong candidate for future optical communication systems. The complementay detection schem can be used to give accurate results if the cross correlation (CC) is fixed, therefore, a new detection scheme based on XOR logic is proposed. This new detection scheme can be used even if the CC is not fixed. In addition, a new encoder/decoder structure based on this new scheme using fiber Brag gratings (FBGs) for VCC is proposed. It has been shown that, performance can be improved significantly when VCC used with XOR detection scheme instead of complementary and AND detection schems. 2009 Citation Index Journal PeerReviewed application/pdf http://eprints.utp.edu.my/2727/1/eprints.pdf Ahmed, H.Y. and Faye, Ibrahima and Saad, N.M. and Aljunid, S.A. (2009) Spectral amplitude coding OCDMA: Performance analysis on detection schemes using vectors combinatorial code families. [Citation Index Journal] http://eprints.utp.edu.my/2727/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Ahmed, H.Y.
Faye, Ibrahima
Saad, N.M.
Aljunid, S.A.
Spectral amplitude coding OCDMA: Performance analysis on detection schemes using vectors combinatorial code families
description In Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) system, Multip-user Interference (MUI) problem which increases with the number of users severely limits the performance of the system. However, phase induce intensity noise (PIIN) arising from spontaneous emission of broad band source is another problem leads to system deterioration should be addressed. Moreover, a proper design of detection scheme which is being able to extract the wanted signal from the unwanted signal successfully needs to be considered as well. In order to overcome the stated problems, Vectors Combinatorial Codes (VCC) with ideal in-phase cross correlation, based on combinations of specific vectors is proposed. In our approach, any integer number of users and weights can be used in code construction. This makes our proposed code a strong candidate for future optical communication systems. The complementay detection schem can be used to give accurate results if the cross correlation (CC) is fixed, therefore, a new detection scheme based on XOR logic is proposed. This new detection scheme can be used even if the CC is not fixed. In addition, a new encoder/decoder structure based on this new scheme using fiber Brag gratings (FBGs) for VCC is proposed. It has been shown that, performance can be improved significantly when VCC used with XOR detection scheme instead of complementary and AND detection schems.
format Citation Index Journal
author Ahmed, H.Y.
Faye, Ibrahima
Saad, N.M.
Aljunid, S.A.
author_facet Ahmed, H.Y.
Faye, Ibrahima
Saad, N.M.
Aljunid, S.A.
author_sort Ahmed, H.Y.
title Spectral amplitude coding OCDMA: Performance analysis on detection schemes using vectors combinatorial code families
title_short Spectral amplitude coding OCDMA: Performance analysis on detection schemes using vectors combinatorial code families
title_full Spectral amplitude coding OCDMA: Performance analysis on detection schemes using vectors combinatorial code families
title_fullStr Spectral amplitude coding OCDMA: Performance analysis on detection schemes using vectors combinatorial code families
title_full_unstemmed Spectral amplitude coding OCDMA: Performance analysis on detection schemes using vectors combinatorial code families
title_sort spectral amplitude coding ocdma: performance analysis on detection schemes using vectors combinatorial code families
publishDate 2009
url http://eprints.utp.edu.my/2727/1/eprints.pdf
http://eprints.utp.edu.my/2727/
_version_ 1738655215964389376
score 13.211869

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