Hybrid wavelength-division multiplexing/optical code-division multiple-access system based on hybrid spectral/spatial coding scheme

Isaac A M Ashour, Sahbudin Shaari, P. Susthitha Menon N V Visvanathan, Hesham A. Bakarman, Hossam M H Shalaby

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The purpose of this paper is to present a hybrid WDM/OCDMA system based on spectral/spatial (S/S) coding scheme. The proposed hybrid system enhances the OCDMA system performance by overcoming the main lim- itations of the traditional non-spatial hybrid WDM/OCDMA system. These limitations are the WDM interference noise and intensity noise. Modified quadratic congruence (MQC) code matrices are adopted as the signature codes for OCDMA user d on the S/S coding scheme. In addition, WDM channels have been integrated to OCDMA signals over the same spectral band. The significance of this integration is to make the system more immune against eavesdroppers. This is because WDM signals act as a partial masking over encoded OCDMA pulses in addition to increasing the system capacity.

Original languageEnglish
Pages (from-to)90-94
Number of pages5
JournalAdvanced Science Letters
Volume19
Issue number1
DOIs
Publication statusPublished - Jan 2013

Fingerprint

Optical Code Division multiple Access
Multiplexing
Wavelength division multiplexing
Code division multiple access
Noise
coding
Division
Coding
Wavelength
wavelength
Immune System
immune system
Masking
Hybrid Systems
Immune system
Congruence
System Performance
matrix
Hybrid systems
Signature

Keywords

  • Modified quadratic congruence (MQC) code
  • Optical code-division multiple-access (OCDMA)
  • Spectral-amplitude coding (SAC)
  • Wavelength-division multiplexing (WDM)

ASJC Scopus subject areas

  • Education
  • Health(social science)
  • Mathematics(all)
  • Energy(all)
  • Computer Science(all)
  • Environmental Science(all)
  • Engineering(all)

Cite this

Hybrid wavelength-division multiplexing/optical code-division multiple-access system based on hybrid spectral/spatial coding scheme. / Ashour, Isaac A M; Shaari, Sahbudin; N V Visvanathan, P. Susthitha Menon; Bakarman, Hesham A.; Shalaby, Hossam M H.

In: Advanced Science Letters, Vol. 19, No. 1, 01.2013, p. 90-94.

Research output: Contribution to journalArticle

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