Optical code-division multiple-access and wavelength division multiplexing

Hybrid scheme review

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

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Problem statement: Hybrid Optical Code-Division Multiple-Access (OCDMA) and Wavelength-Division Multiplexing (WDM) have flourished as successful schemes for expanding the transmission capacity as well as enhancing the security for OCDMA. However, a comprehensive review related to this hybrid system are lacking currently. Approach: The purpose of this paper is to review the literature on OCDMA-WDM overlay systems, including our hybrid approach of onedimensional coding of SAC OCDMA with WDM signals. In addition, we present an additional review of other categorios of hybrid WDM/OCDMA schemes, where codes of OCDMA can be employed on each WDM wavelength. Furthermore, an essential background of OCDMA, recent coding techniques and security issues are also presented. Results: Our results indicate that the feasibility of transmitting both OCDMA and WDM users on the same spectrum band can be achieved using MQC family code with an acceptable performance as well as good data confidentiality. In addition, the WDM interference signals can be suppressed properly for detection of optical broadband CDMA using notch filters. Conclusion: The paper provides a comprehensive overview of hybrid OCDMA-WDM systems and can be used as a baseline study for other scientists in the similar scope of research.

Original languageEnglish
Pages (from-to)1718-1729
Number of pages12
JournalJournal of Computer Science
Volume8
Issue number10
DOIs
Publication statusPublished - 2012

Fingerprint

Wavelength division multiplexing
Code division multiple access
Notch filters
Signal interference
Hybrid systems
Wavelength

Keywords

  • Optical Code-Division Multiple-Access (OCDMA)
  • Optical communications
  • Wavelength-Division Multiplexing (WDM)

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Artificial Intelligence

Cite this

Optical code-division multiple-access and wavelength division multiplexing : Hybrid scheme review. / Ashour, Isaac A M; Shaari, Sahbudin; N V Visvanathan, P. Susthitha Menon; Bakarman, Hesham A.

In: Journal of Computer Science, Vol. 8, No. 10, 2012, p. 1718-1729.

Research output: Contribution to journalArticle

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