A threshold companding scheme for reducing peak-to-average power ratio of OFDM signals

被引：0
|
作者：
Gong, HD [1 ]
Ye, W [1 ]
Feng, SL [1 ]
Ke, F [1 ]
机构：
[1] S China Univ Technol, Dept Elect Commun, Guangzhou, Peoples R China
来源：
2005 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING PROCEEDINGS, VOLS 1 AND 2 | 2005年
关键词：
OFDM; PAPR; threshold companding;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A companding technique based on threshold is proposed to reduce the PAPR of OFDM signals. In this technique, only the signals, whose amplitudes are higher than the threshold, are compressed in the transmitter; Using a simple judgment process, the expanding operation will be executed to the compressed signals in the receiver. Compared with other scheme, the threshold companding scheme effectively improves the performance of PAPR by introducing a simple threshold judgment process.
引用
收藏
页码：553 / 556
页数：4
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