relation: https://khub.utp.edu.my/scholars/1793/ title: A new Discrete Hartley transform precoding based interleaved-OFDMA uplink system with reduced PAPR for 4G cellular networks creator: Baig, I. creator: Jeoti, V. description: 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. date: 2011 type: Article type: PeerReviewed identifier: Baig, I. and Jeoti, V. (2011) A new Discrete Hartley transform precoding based interleaved-OFDMA uplink system with reduced PAPR for 4G cellular networks. Journal of Engineering Science and Technology, 6 (6). pp. 685-694. ISSN 18234690 relation: https://www.scopus.com/inward/record.uri?eid=2-s2.0-82755185994&partnerID=40&md5=f4e64d99763c42aed41b6e8a2637fc0f