%0 Journal Article
%@ 18234690
%A Baig, I.
%A Jeoti, V.
%D 2011
%F scholars:1793
%J Journal of Engineering Science and Technology
%N 6
%P 685-694
%T A new Discrete Hartley transform precoding based interleaved-OFDMA uplink system with reduced PAPR for 4G cellular networks
%U https://khub.utp.edu.my/scholars/1793/
%V 6
%X High peak-to-average power ratio (PAPR) reduction is one of the major challenges in orthogonal frequency division multiple access (OFDMA) systems since last decades. High PAPR increases the complexity of analogue-to-digital (A/D) and digital-to-analogue (D/A) convertors and also reduces the efficiency of RF highpower-amplifier (HPA). In this paper, we present a new Discrete-Hartley transform (DHT) precoding based interleaved-OFDMA uplink system for PAPR reduction in the upcoming 4G cellular networks. Extensive computer simulations have been performed to analyze the PAPR of the proposed system with root-raised-cosine (RRC) pulse shaping. We also compare simulation results of the proposed system with the conventional interleaved-OFDMA uplink systems and the Walsh-Hadamard transform (WHT) precoding based interleaved-OFDMA uplink systems. It is concluded from the computer simulations that the proposed system has low PAPR as compared to the conventional interleaved-OFDMA uplink systems and the WHT precoded interleaved-OFDMA uplink systems. © School of Engineering, Taylor's University.
%Z cited By 16