Power efficiency optimization of OFDM systems in the presence of nonlinear distortion

被引：2
|
作者：
Yu, Hua [1 ]
Kok, Chi-Wah [2 ]
Wei, Gang [1 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Peoples R China
[2] Hong Kong Univ Sci & Tech, Dept Elect Engn, Hong Kong, Peoples R China
来源：
2006 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CIRCUITS AND SYSTEMS PROCEEDINGS, VOLS 1-4: VOL 1: SIGNAL PROCESSING | 2006年
关键词：
D O I：
10.1109/ICCCAS.2006.284871
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper investigates the tradeoff problem between power efficiency and nonlinear distortion of amplifiers in OFDM systems. One power efficiency figure-of-merit of the whole system is suggested and used as the objective function to find the optimum working point of the power amplifier. An accurate computation of the nonlinear distortion power is also derived. The simulation results showed that the operating point of PA that provides the optimal trade-off can be easily picked from the proposed method.
引用
收藏
页码：1245 / +
页数：2
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