A peak power reduction method for multicarrier transmission

被引：0
|
作者：
Hwang, CS [1 ]
机构：
[1] Samsung Adv Inst Technol, Digital Comun Lab, Suwon 440600, South Korea
来源：
2001 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-10, CONFERENCE RECORD | 2001年
关键词：
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：
We developed a method to reduce peak to average power-ratio (PAR) of multicarrier signals. The method enlarged the quadrature amplitude modulation (QAM) constellation size at a number of tones so that several signal points represent the same information. It chose a signal point among equivalent signal points that minimized PAR. This method achieved more than 4dB PAR reduction when 64QAM was used to represent 16QAM constellation in 64-subcarrier system. Also we could trade the PAR reduction for complexity and power increase by changing the size of extended constellation.
引用
收藏
页码：1496 / 1500
页数：5
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