Clipping noise in OFDM optical wireless communication systems

Svilen Dimitrov, Sinan Sinanovic, Harald Haas

    Research output: Contribution to journalArticle

    Abstract

    In this paper, the impact of clipping noise on optical wireless communication (OWC) systems employing orthogonal frequency division multiplexing (OFDM) is investigated. The two existing optical OFDM (O-OFDM) transmission schemes, asymmetrically clipped optical OFDM (ACO-OFDM) and direct-current-biased optical OFDM (DCO-OFDM), are studied. Time domain signal clipping generally results from direct current (DC) biasing and/or from physical limitations of the transmitter front-end. These include insufficient forward biasing and the maximum power driving limit of the emitter.
    Original languageEnglish
    Pages (from-to)1072 - 1081
    Number of pages10
    JournalIEEE Transactions on Communications
    Volume60
    Issue number4
    DOIs
    Publication statusPublished - 2012

    Keywords

    • wireless communication systems
    • clipping noise
    • computer engineering

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