Chaotic variable Based Tone Reservation for Reducing PAPR of OFDM Signals

被引：0
|
作者：
Li, Jianping [1 ]
Wang, Huakui [1 ]
Zhao, Xiping [1 ]
机构：
[1] TaiYuan Technol Univ, Taiyuan 030024, Shanxi, Peoples R China
来源：
2009 WRI WORLD CONGRESS ON SOFTWARE ENGINEERING, VOL 3, PROCEEDINGS | 2009年
关键词：
Orthogonal Frequency Division Multiplexing(OFDM); Peak-to-Average Power Ratio(PAPR); Tone Reservation (TR); chaotic variable; REDUCTION;
D O I：
10.1109/WCSE.2009.312
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
The unavoidable disadvantage of OFDM-larger peak-to-average-power ratio(PAPR), which can lead to high requirement for High Power Amplifier at transmitter and receiver, low efficiency of transmission, and so on Tone Reservation (TR) is a technique designed to combat this problem by reserving a number of carriers (tones) in the frequency domain to generate a cancellation signal in the tune domain to remove high peaks However TR can have a high associated computational cost due to the difficulties in finding an effective cancellation signal in the time domain by using Only a few tones in the frequency domain. In order to increase performance of the Tone Reservation method, chaotic variable is introduced in this paper, including PRT improvement under small carrier number system and improvement of SCR algorithm under large carrier number system The theoretical analysis as well as the MATLAB simulation result indicated that the CCDF curve of Unproved algorithm surpasses the CCDF curve of the original algorithm in reduction for the PAPR of OFDM system signal
引用
收藏
页码：531 / 535
页数：5
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