Peak-to-average power ratio reduction in multi-carrier system using genetic algorithms

被引：19

作者：

Lixia, M. ^{[1
]}

Murroni, M. ^{[1
]}

机构：

[1] Univ Cagliari, Dept Elect & Elect Engn, I-09123 Cagliari, Italy

来源：

IET SIGNAL PROCESSING | 2011年 / 5卷 / 03期

关键词：

PAPR REDUCTION;

D O I：

10.1049/iet-spr.2010.0027

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：

This work presents a novel approach to the reduction of peak-to-average power ratio (PAPR) in multi-carrier modulation: partial transmit sequence (PTS) is optimised by opportune tailored genetic algorithms (GA) that allow achieving solution with pre-selected accuracy and reduced computational burden. A comparative study on both orthogonal frequency division multiplexing (OFDM) and wavelet packets multi-carrier modulation (WP-MCM) has been conducted. Results show that although WP-MCM outperforms conventional OFDM schemes in terms of PAPR, GA applied to PTS are more effective in reducing PAPR for OFDM rather than for WP-MCM.

引用

页码：356 / 363

页数：8

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