A Combined PTS-Companding Scheme for PAPR Reduction in OFDM System
One of the main disadvantages of Orthogonal Frequency Division Multiplexing(OFDM)communication system is its high peak-to-average power ratio(PAPR).A PAPR reduction scheme for OFDM system which combines the partial transmit sequence(PTS)and the companding transformation is proposed.It takes advantage of the PTS,which does not cause signal distortion with linear transform,and the companding transformation,which is simple and direct.The simulation results show that the new scheme improves the PAPR performance about 0.5dB and 6dB respectively compared to the PTS and companding transformation,and ensures the bit error rate(BER)and transmission rate at the same time.
OFDM PAPR PTS Non-linear companding transformation
Xiaoyong He Hui Yan Junliang He Ming Cai Zhaoxia Jing
School of Electronic and Information Engineering School of Electric Power Engineering South China University of Technology Guangzhou,P.R.China
国际会议
重庆
英文
196-199
2017-03-25(万方平台首次上网日期,不代表论文的发表时间)