A measurement setup for digital predistortion using direct RF undersampling

被引：0
|
作者：
Kowalski, Tomasz [1 ]
Dabek, Bartlomiej [1 ]
Gibiino, Gian Piero [2 ]
Habib, Samer Bou [1 ]
Barmuta, Pawel [1 ,3 ]
机构：
[1] Warsaw Univ Technol, Inst Elect Syst, Warsaw, Poland
[2] Univ Bologna, DEI G Marconi, Bologna, Italy
[3] Katholieke Univ Leuven, Dept Elect Engn, B-3001 Leuven, Belgium
来源：
2018 22ND INTERNATIONAL MICROWAVE AND RADAR CONFERENCE (MIKON 2018) | 2018年
关键词：
digital predistortion; direct sampling; undersampling; memory polynomial model;
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：
This work presents a measurement setup for digital predistortion which utilizes single channel direct RF undersampling, removing the need for mixer-based analog downconversion. The setup is tested on a commercial power amplifier, with a 10 MHz QPSK-modulated input signal, yielding an improvement in normalized mean square error from 0.0087 to 4.54e-04.
引用
收藏
页码：438 / 439
页数：2
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