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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    Title :

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


    Contributors:


    Publication date :

    2013-12-01


    Size :

    1344787 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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