Comparison of selected digital modulation schemes (OOK, PPM and DPIM) for wireless optical communications

Ghafour Amouzad Mahdiraji, Edmond Zahedi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    32 Citations (Scopus)

    Abstract

    In this article, three digital modulation schemes popular in optical wireless communication systems (OOK, PPM and DPIM) are compared based on bandwidth requirement, power efficiency, transmits-ion capacity and bit-error probability. In OOK, the bandwidth requirement is roughly equivalent to the data rate (Rb). PPM achieves higher average power efficiency than OOK at the expense of an increased bandwidth (×4) compared to OOK. Besides, the use of PPM imposes more system complexity compared to OOK since both slot- and symbol-level synchronizati-ons, critical to system performance, are required at the receiver. Unlike PPM, DPIM does not require symbol synchronization since each symbol is initiated with a pulse. Furthermore, DPIM displays a higher transmiss-ion capacity by eliminating all the unused time slots from within each symbol. In terms of BER, 4-DPIM displays a performance in between that of OOK and PPM. It is concluded that DPIM is the most efficient scheme in terms of transmission capacity and band-width requirements. When it comes to power and error performance, PPM is the best among the three schemes.

    Original languageEnglish
    Title of host publicationSCOReD 2006 - Proceedings of 2006 4th Student Conference on Research and Development "Towards Enhancing Research Excellence in the Region"
    Pages5-10
    Number of pages6
    DOIs
    Publication statusPublished - 2006
    Event2006 4th Student Conference on Research and Development "Towards Enhancing Research Excellence in the Region", SCOReD 2006 - Shah Alam
    Duration: 27 Jun 200628 Jun 2006

    Other

    Other2006 4th Student Conference on Research and Development "Towards Enhancing Research Excellence in the Region", SCOReD 2006
    CityShah Alam
    Period27/6/0628/6/06

    Fingerprint

    Optical communication
    Modulation
    Bandwidth
    Ions
    Amplitude shift keying
    Communication systems
    Synchronization

    Keywords

    • Bandwidth requirement and power efficiency
    • Modulation schemes
    • Transmission capacity

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Control and Systems Engineering
    • Electrical and Electronic Engineering

    Cite this

    Mahdiraji, G. A., & Zahedi, E. (2006). Comparison of selected digital modulation schemes (OOK, PPM and DPIM) for wireless optical communications. In SCOReD 2006 - Proceedings of 2006 4th Student Conference on Research and Development "Towards Enhancing Research Excellence in the Region" (pp. 5-10). [4339297] https://doi.org/10.1109/SCORED.2006.4339297

    Comparison of selected digital modulation schemes (OOK, PPM and DPIM) for wireless optical communications. / Mahdiraji, Ghafour Amouzad; Zahedi, Edmond.

    SCOReD 2006 - Proceedings of 2006 4th Student Conference on Research and Development "Towards Enhancing Research Excellence in the Region". 2006. p. 5-10 4339297.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Mahdiraji, GA & Zahedi, E 2006, Comparison of selected digital modulation schemes (OOK, PPM and DPIM) for wireless optical communications. in SCOReD 2006 - Proceedings of 2006 4th Student Conference on Research and Development "Towards Enhancing Research Excellence in the Region"., 4339297, pp. 5-10, 2006 4th Student Conference on Research and Development "Towards Enhancing Research Excellence in the Region", SCOReD 2006, Shah Alam, 27/6/06. https://doi.org/10.1109/SCORED.2006.4339297
    Mahdiraji GA, Zahedi E. Comparison of selected digital modulation schemes (OOK, PPM and DPIM) for wireless optical communications. In SCOReD 2006 - Proceedings of 2006 4th Student Conference on Research and Development "Towards Enhancing Research Excellence in the Region". 2006. p. 5-10. 4339297 https://doi.org/10.1109/SCORED.2006.4339297
    Mahdiraji, Ghafour Amouzad ; Zahedi, Edmond. / Comparison of selected digital modulation schemes (OOK, PPM and DPIM) for wireless optical communications. SCOReD 2006 - Proceedings of 2006 4th Student Conference on Research and Development "Towards Enhancing Research Excellence in the Region". 2006. pp. 5-10
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