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Various Techniques to Reduce PAPR in OFDM Systems : A Survey
Mamta Bisht,Alok Joshi 보안공학연구지원센터 2015 International Journal of Signal Processing, Image Vol.8 No.11
A non-constant envelope with high peaks is a main disadvantage of Orthogonal Frequency Division Multiplexing (OFDM). These high peaks produce signal excursions into non-linear region of operation of the Power Amplifier (PA) at the transmitter, thereby leading to non-linear distortions and spectral spreading. Many Peak to Average Power Ration (PAPR) reductions methods have been proposed in the literature. The objective of this review is to give a clear understanding of different techniques to reduce PAPR of the signal.