Exponential companding technique for PAPR reduction in OFDM systems

T Jiang, Y Yang, YH Song - IEEE Transactions on broadcasting, 2005 - ieeexplore.ieee.org
In this paper, a new nonlinear companding technique, called" exponential companding", is
proposed to reduce the high Peak-to-Average Power Ratio (PAPR) of Orthogonal Frequency …

PAPR reduction of OFDM signals using partial transmit sequences with low computational complexity

T Jiang, W Xiang, PC Richardson… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
Partial transmit sequences (PTS) is one of the attractive techniques to reduce the peak-to-
average power ratio (PAPR) in orthogonal frequency division multiplexing (OFDM) system …

Comparing selected mapping and partial transmit sequence for PAR reduction

RJ Baxley, GT Zhou - IEEE Transactions on Broadcasting, 2007 - ieeexplore.ieee.org
Selected mapping (SLM) and partial transmit sequence (PTS) are two existing distortionless
peak-to-average power ratio (PAR) reduction schemes that have been proposed for …

Two novel nonlinear companding schemes with iterative receiver to reduce PAPR in multi-carrier modulation systems

T Jiang, W Yao, P Guo, Y Song… - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
Companding transform is an efficient and simple method to reduce the Peak-to-Average
Power Ratio (PAPR) for Multi-Carrier Modulation (MCM) systems. But if the MCM signal is …

Constrained clipping for crest factor reduction in OFDM

RJ Baxley, C Zhao, GT Zhou - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
In this paper, we propose a constrained clipping method for reducing the peak to average
power ratio (PAR) or crest factor of an orthogonal frequency division multiplexing (OFDM) …

Fast walsh–hadamard–fourier transform algorithm

MT Hamood, S Boussakta - IEEE Transactions on Signal …, 2011 - ieeexplore.ieee.org
An efficient fast Walsh-Hadamard-Fourier transform algorithm which combines the
calculation of the Walsh-Hadamard transform (WHT) and the discrete Fourier transform …

IMD reduction with SLM and PTS to improve the error-probability performance of nonlinearly distorted OFDM signals

MRD Rodrigues, IJ Wassell - IEEE transactions on vehicular …, 2006 - ieeexplore.ieee.org
In this paper, the authors propose selective mapping (SLM) and partial transmit sequences
(PTS) employing an intermodulation distortion (IMD)-reduction strategy to improve the error …

Performance analysis for OFDM-CDMA with joint frequency-time spreading

K Zheng, G Zeng, W Wang - IEEE transactions on broadcasting, 2005 - ieeexplore.ieee.org
In this paper, a novel OFDM-CDMA system with joint time-frequency spreading methods is
proposed. The average bit error probability of the proposed system using maximum-ratio …

Performance evaluation of asynchronous multi‐carrier code division multiple access for next‐generation long‐reach fibre optic access networks

MH Shoreh, H Beyranvand, JA Salehi - IET Optoelectronics, 2015 - Wiley Online Library
In this study, the authors evaluate the performance of asynchronous optical multi‐carrier
code division multiple access (MC‐CDMA) for intensity modulated/direct detection systems …

An intelligent genetic algorithm for PAPR reduction in a multi-carrier CDMA wireless system

Y Zhang, Q Ni, HH Chen, Y Song - 2008 International Wireless …, 2008 - ieeexplore.ieee.org
A novel intelligent genetic algorithm (GA), called Minimum Distance guided GA (MDGA) is
proposed for peak-average-power ratio (PAPR) reduction based on partial transmit …