American Journal of Networks and Communications

Special Issue

Recent Progresses in Optical Code-Division Multiple-Access (OCDMA) Technology

  • Submission Deadline: Mar. 20, 2015
  • Status: Submission Closed
  • Lead Guest Editor: Hamza M. R. Al-Khafaji
About This Special Issue
The recent growth of broadband access services and the need for high speed and large capacity access networks have driven the development of Optical code-division multiple-access (OCDMA) for next-generation broadband access networks. OCDMA is a promising technology for addressing the bandwidth and flexibility demands of local area and access networks. Statistical multiplexing, service differentiation, asynchronous operation, flexible allocation of channels, fairness, and enhanced data privacy are some of the attractive advantages of OCDMA that make it a current forefront topic of research. This special issue focuses on the OCDMA technology and its applications. Potential topics include, but are not limited to:
1. New OCDMA coding sequences and constructions.
2. New design of OCDMA detection techniques.
3. OCDMA-enabled network architectures and topologies.
4. Analysis of OCDMA system performance improvements.
5. OCDMA applications and its core technologies.
6. Key issues affecting the use of OCDMA for privacy.
7. Comparison of OCDMA with other optical-based multiple-access technologies.
Lead Guest Editor
  • Hamza M. R. Al-Khafaji

    Biomedical Engineering Department, Al-Mustaqbal University College, Hillah, Iraq

Guest Editors
  • Iraj Sadegh Amiri

    Photonics Research Centre, University of Malaya, Kuala Lumpur, Malaysia

  • Ahmed Alhassan

    Department of Electrical and Electronic Engineering, Al Neelain University, Perak, Malaysia

Published Articles
  • IP Routing by Phase Induced Intensity Noise Suppression in Optical CDMA Network

    C. B. M. Rashidi , S. A. Aljunid , M. S. Anuar , Hassan Yousif Ahmed

    Issue: Volume 4, Issue 2-1, March 2015
    Pages: 18-21
    Received: Nov. 04, 2014
    Accepted: Jan. 10, 2015
    Published: Feb. 11, 2015
    DOI: 10.11648/j.ajnc.s.2015040201.13
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    Abstract: In this paper, we explore avenues to efficiently use spectral amplitude coding optical code-division multiple-access (SAC-OCDMA) technique as a solution to the Internet protocol (IP) routing bottleneck in the global internet access. This work reveals for the first time the authors proposed a novel class of codes called the flexible cross correlatio... Show More
  • A Review of Ultra-Short Soliton Pulse Generation Using InGaAsP/InP Microring Resonator (MRR) Systems

    I. S. Amiri , H. Ahmad , Hamza M. R. Al-Khafaji

    Issue: Volume 4, Issue 2-1, March 2015
    Pages: 6-17
    Received: Dec. 08, 2014
    Accepted: Dec. 11, 2014
    Published: Dec. 27, 2014
    DOI: 10.11648/j.ajnc.s.2015040201.12
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    Abstract: System of microring resonators (MRRs) incorporating with an add/drop MRR system are presented to generate single and multi-temporal and spatial ultra-short soliton pulses applicable in optical soliton communications. The chaotic signals caused by the nonlinear condition could be generated and propagated within the system. The Kerr effect in the MRR... Show More
  • Full Width at Half Maximum (FWHM) Analysis of Solitonic Pulse Applicable in Optical Network Communication

    IS Amiri , H. Ahmad , Hamza M. R. Al-Khafaji

    Issue: Volume 4, Issue 2-1, March 2015
    Pages: 1-5
    Received: Nov. 08, 2014
    Accepted: Nov. 12, 2014
    Published: Nov. 22, 2014
    DOI: 10.11648/j.ajnc.s.2015040201.11
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    Abstract: In this paper, we propose a system of microring resonator (MRR). This system uses a laser diode input which can be incorporated with an optical add/drop filter system. When light from the laser diode feedbacks to the fiber ring resonator, the pulses in the form of soliton can be generated by using appropriate fiber ring resonator parameters and als... Show More