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In the recent past, wireless communications have experienced a fast growth due to the high mobility that they allow. However, wireless channels have some disadvantages, like multi-path fading, that make them difficult to deal with. A modulation scheme that efficiently deals with selective fading channels is OFDM. An important disadvantage of OFDM systems is their high Peak-to-Average Power Ratio (PAPR). Clipping and filtering can be a simple and effective method of reducing the Peak-to-Average Power Ratio (PAPR). But this results in an increase in Side Band/Out-Of-Band (OOB) power, which increases PAPR.
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