Overlapped Segmental Clipping for the PAPR Reduction of the OFDM-OQAM system

被引：3

作者：

Wang, Jianping ^{[1
]}

Yan, Jing ^{[1
]}

He, Zhen ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Comp & Commun Engn, Beijing 100083, Peoples R China

来源：

KSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS | 2014年 / 8卷 / 08期

关键词：

OFDM-OQAM; peak-to-average power ratio; clipping; overlapped segment; AVERAGE POWER RATIO; PAR;

D O I：

10.3837/tiis.2014.08.012

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Orthogonal frequency division multiplexing with offset quadrature amplitude modulation (OFDM-OQAM) technique has drawn significant interests in recent years. However, most of the existing OFDM peak-to-average ratio (PAPR) reduction schemes cannot be used in the OFDM-OQAM system directly. In this paper, a modified scheme called overlapped segmental clipping (OS-clipping) is proposed to deal with the high PAPR problem specifically in the OFDM-OQAM system. For the proposed OS-clipping scheme, the input signals are divided into a number of overlapped segments and then the clipping operation is processed on each segment. Simulation results show that the modified scheme used in the OFDM-OQAM system can provide better performance than conventional clipping scheme directly used in the OFDM-OQAM system, and even outperforms conventional clipping scheme applied in the OFDM system.

引用

页码：2783 / 2795

页数：13

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