Optical CDMA system parameters limitations for and subtraction detection scheme under enhanced double weight (EDW) code based on simulation experiment

Ihssan Sh Hmud, Feras N. Hasoon, Sahbudin Shaari

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    The work in this paper is a simulation experiment performed by a computer program to determine the OCDMA system parameters limitations. The system was built up with LED light source in the transmitter with filters to construct the code where the receiver is constructed based on AND-subtraction detection scheme. The system was designed to be compatible with the enhanced double weight (EDW) code, passive optical network (PON), P2P network connection and fiber to the home (FTTH) topology. Five system parameters were considered in this work: the number of users, the transmission distance, the bitrate, the chip spacing and the transmitted power. Optisys 6.0 software program was used as a simulator; the simulator considered the entire practical effects in the system, like nonlinearities, attenuation in the fiber and dispersion. This paper shows that for sufficient system performance parameters (BER ≤ 1×10-9, Q ≥ 6) the system can stand for the maximum number of 3 users, the maximum distance of 21 km and the minimum chip spacing of 0.2. The system also shows that it cannot work for any number of users or any distance without the amplifier.

    Original languageEnglish
    Pages (from-to)669-676
    Number of pages8
    JournalOptica Applicata
    Volume40
    Issue number3
    Publication statusPublished - 2010

    Fingerprint

    code division multiple access
    subtraction
    Code division multiple access
    Simulators
    Passive optical networks
    simulators
    chips
    spacing
    computer programs
    Light emitting diodes
    Light sources
    Computer program listings
    Transmitters
    fibers
    simulation
    Experiments
    Topology
    transmitters
    Fibers
    light sources

    Keywords

    • Optical code division multiple access (OCDMA)

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • Electronic, Optical and Magnetic Materials

    Cite this

    Optical CDMA system parameters limitations for and subtraction detection scheme under enhanced double weight (EDW) code based on simulation experiment. / Hmud, Ihssan Sh; Hasoon, Feras N.; Shaari, Sahbudin.

    In: Optica Applicata, Vol. 40, No. 3, 2010, p. 669-676.

    Research output: Contribution to journalArticle

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