Behavioral Modeling of the Frequency Translation Process in Direct Conversion Transmitters

被引：1
|
作者：
Gadringer, Michael E. [1 ]
Schuberth, Christian [1 ]
Magerl, Gottfried [1 ]
机构：
[1] Vienna Univ Technol, Inst Electrodynam Microwave & Circuit Engn, A-1040 Vienna, Austria
来源：
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2010年 / 20卷 / 03期
关键词：
direct conversion transmitter; dynamic behavioral model; volterra series; system identification; intermodulation distortion; QUADRATURE MODULATOR; COMPENSATION; AMPLIFIERS; IMBALANCE; ERRORS;
D O I：
10.1002/mmce.20439
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This article presents a black-box model that can be applied to represent the nonlinear dynamic behavior of a direct conversion transmitter excluding the power amplifier. Several distortion mechanisms are excited and compensated using only magnitude measurements of the output signal components. The information extracted in this way is used to parameterize the model. The validity of the suggested approach is confirmed by comparing the measured and the predicted transmitter's response, when driven by broad-band input signals. (C) 2010 Wiley Periodicals. Inc Int J RF and Microwave CAE 20 347-359, 2010
引用
收藏
页码：347 / 359
页数：13
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