dct precoded SLM method for PAPR reduction

High Peak to Average Power Ratio (PAPR) is still a

most important challenge in Orthogonal Frequency Division

Multiplexing (OFDM) system. In this paper, we propose a

Discrete Cosine Transform (DCT) precoding based SLM

technique for PAPR reduction in OFDM systems. This

technique is based on precoding the constellation symbols with

DCT precoder after the multiplication of phase rotation factor

and before the Inverse Fast Fourier Transform (IFFT) in

SLM-OFDM System.