Clipping noise in OFDM optical wireless communication systems

Svilen Dimitrov, Sinan Sinanovic, Harald Haas

    Research output: Contribution to journalArticlepeer-review


    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
    Issue number4
    Publication statusPublished - 2012


    • wireless communication systems
    • clipping noise
    • computer engineering


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