An Improved Low-Complexity PTS Scheme for PAPR Reduction in OFDM Systems

被引：0
|
作者：
Ku, Sheng-Ju [1 ]
机构：
[1] Tatung Univ, Grad Inst Commun Engn, Taipei 10452, Taiwan
来源：
2016 IEEE INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, COMMUNICATIONS AND COMPUTING (ICSPCC) | 2016年
关键词：
Inverse fast Fourier transform (IFFT); orthogonal frequency division multiplexing (OFDM); partial transmit sequences (PTS); peak-to-average power ratio (PAPR); AVERAGE POWER-RATIO;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, an improved low-complexity partial transmit sequences (PTS) scheme is proposed to reduce the peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) systems. In the proposed PTS scheme, a set of cost functions derived from the power of the time-domain samples of each subblock is used to select the samples for peak power estimation. Furthermore, we develop a new two-stage algorithm to reduce the computational complexity of the optimization process of the PTS scheme. Compared to related works, the proposed PTS scheme can achieve similar PAPR reduction performance, but with much lower computational complexity.
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页数：5
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