Comparative Performance Analysis of Hybrid PAPR Reduction Techniques in OFDM Systems

Abstract

Orthogonal Frequency Division Multiplexing (OFDM) is a promising multicarrier modulation technique used for high data rate communication. However, one of the major drawbacks is it suffers from high peak-to-average power ratio (PAPR). This paper is a study on different types of PAPR reduction techniques and proposes a new hybrid DCT with companding PAPR reduction technique. It is shown that proposed method is simple and provides better PAPR reduction compared to DCT, companding and conventional OFDM system.