Orthogonal Frequency Division Multiplexing (OFDM) based optical wireless transport system suffers from high peak to average power ratio (PAPR) as it essentially increases the complexity of analog to digital converter circuitry (ADC and DAC), introduces significant distortion of amplifier nonlinearity and gain saturation at high input power. Here, we propose a novel PAPR reduction scheme for OFDM based optical and wireless transport system using Blind Symbol Power Estimation (BSPE) based on scaling technique. Significant PAPR reduction of over 2.7 dB is achieved without inserting any side information, any significant signal distortion, without increasing average transmitter power and without any special extraction technique at the receiver.


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    Titel :

    A PAPR reduction approach in OFDM optical-wireless-access networks using Blind Symbol Power Estimation


    Beteiligte:


    Erscheinungsdatum :

    01.12.2013


    Format / Umfang :

    1344787 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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