A novel PAPR reduction technique in OFDM with Peak Cancellation
PAPR reduction technique
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PAPR (peak to average power ratio) is the major drawback in OFDM technique which is under consideration of recent LTE development. Physical significance of PAPR is it is produced due to nonlinear distortion in OFDM symbols. Whenever there is nonlinearity in OFDM signal there is PAPR, which is significant drawback of OFDM transmission. There are different methodologies which PAPR in OFDM system. The different techniques include the major three techniques such as signal distortion techniques, signal scrambling techniques and signal coding techniques. This proposed work is nothing but type of sig...
PAPR (peak to average power ratio) is the major drawback in OFDM technique which is under consideration of recent LTE development. Physical significance of PAPR is it is produced due to nonlinear distortion in OFDM symbols. Whenever there is nonlinearity in OFDM signal there is PAPR, which is significant drawback of OFDM transmission. There are different methodologies which PAPR in OFDM system. The different techniques include the major three techniques such as signal distortion techniques, signal scrambling techniques and signal coding techniques. This proposed work is nothing but type of signal distortion technique. This proposed work is with advantages of low complexity for hardware implementation but it produces in-bad and out-of band distortions in system. To overcome this interferences like in-band and out-of-band distortions which is sever drawback in transmission we used to get cancelling pulses and to get the envelope threshold with peak cancellation is implemented to get the enhanced results. To get its validity and limitations there is adaptation of peak cancellation to band limited OFDM signal.
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