On the modeling of memory nonlinear effects of power amplifiers for communication applications

被引：33
|
作者：
Raich, R [1 ]
Zhou, GT [1 ]
机构：
[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
来源：
PROCEEDINGS OF THE 2002 IEEE 10TH DIGITAL SIGNAL PROCESSING WORKSHOP & 2ND SIGNAL PROCESSING EDUCATION WORKSHOP | 2002年
关键词：
D O I：
10.1109/DSPWS.2002.1231065
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：
Understanding power amplifier (PA) nonlinearity is a first step towards linearization efforts. We first explore the passband and base-band PA input/output relationships and show that they manifest differently when the PA exhibits long-term, short-term, or no memory effects. We then explain the various memory effects in the context of AM/AM and AM/PM responses. The so-called quasi-memoryless case is especially clarified. Four particular nonlinear models with memory are further investigated.
引用
收藏
页码：7 / 10
页数：4
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