An Adaptive Turbo Coded-OFDM Scheme for Visible Light Communications

Mahdi Ataee, Seyed Mohammad Sajad Sadough, Zabih Ghassemlooy

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    6 Citations (Scopus)
    52 Downloads (Pure)

    Abstract

    In visible light communications (VLC) the main bottleneck is the limited bandwidth of the light emitting diodes, which limits the maximum transmission data rates. Multicarrier modulation schemes are one possible option to increase the data rate as well as improve the link performance. In this paper, we present the turbo coded orthogonal frequency-division multiplexing (OFDM) scheme to mitigate interference and noise as well as to remove multipath induced inter symbol interference in a VLC system. Simulation results are used to compare the performance of the proposed system compared to classical optical OFDM schemes of DC-biased optical and asymmetrically clipped optical-OFDM. The results presented may be used to investigate the interaction between VLC system parameters (e.g., receiver field- of-view limitation, incident angle, light emitting diode power)and the bit error rate performance of the soft turbo decoder.
    Original languageEnglish
    Title of host publicationThe 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC2019)
    Subtitle of host publication27-28 April, Shahid Beheshti University, Tehran, Iran
    Place of PublicationPiscataway, NJ
    PublisherIEEE
    Pages1-5
    Number of pages5
    ISBN (Electronic)9781728137674
    ISBN (Print)9781728137681
    DOIs
    Publication statusPublished - Apr 2019
    Event2019 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC) - Tehran, Iran
    Duration: 27 Apr 201928 Apr 2019

    Conference

    Conference2019 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC)
    Period27/04/1928/04/19

    Keywords

    • Visible light communications
    • adaptive turbo code
    • OFDM
    • optical wireless communications
    • Optical wireless communications
    • Adaptive turbo code

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