A modified selected mapping technique to reduce the peak-to-average power ratio of OFDM signal

被引：27
作者：
Jie, Yang
Lei, Chen
Quan, Liu
De, Chen
机构：
[1] Wuhan Univ Technol, Wuhan 430063, Peoples R China
[2] Zhejiang Univ, Hangzhou 310027, Peoples R China
来源：
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS | 2007年 / 53卷 / 03期
关键词：
OFDM; peak-to-average power ratio; selected mapping (SLM);
D O I：
10.1109/TCE.2007.4341555
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, we propose a modified selected mapping technique to reduce the peak-to-average power ratio (PAPR) in orthogonal frequency division multiplexing (OFDM) system. In this technique, we choose a vector with low PAPR in each coset of a linear block codes as its coset leader, instead of the weight vector in conventional technique. And a sequence which is most likely to yield the lowest PAPR is chosen to transmit before IFFT by a decision algorithm. Simulation results show that the modified technique has good performance in PAPR reduction.
引用
收藏
页码：846 / 851
页数：6
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