A measurement setup for digital predistortion using direct RF undersampling

机译：使用直接RF欠采样进行数字预失真的测量设置

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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.

机译：这项工作提出了一种用于数字预失真的测量设置，该设置利用了单通道直接RF欠采样，从而消除了基于混频器的模拟下变频的需求。该设置在商用功率放大器上进行了测试，具有10 MHz QPSK调制的输入信号，将归一化均方误差从0.0087改善到4.54e-04。

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来源
《2018 22nd International Microwave and Radar Conference》|2018年|438-439|共2页
会议地点 Poznan(PL)
作者
Tomasz Kowalski; Bartlomiej Dąbek; Gian Piero Gibiino; Samer Bou Habib; Paweł Barmuta;
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作者单位

Institute of Electronic Systems, Warsaw University of Technology, Warsaw, Poland;

Institute of Electronic Systems, Warsaw University of Technology, Warsaw, Poland;

DEI “G. Marconi”, University of Bologna, Bologna, Italy;

Institute of Electronic Systems, Warsaw University of Technology, Warsaw, Poland;

Department of Electrical Engineering, KU Leuven, 3001 Leuven, Belgium;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
Radio frequency; Predistortion; Mathematical model; Baseband; Mixers; Frequency modulation;

机译：射频;预失真;数学模型;基带;混频器;频率调制;;

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1. Undersampling Observation-Based Compact Digital Predistortion for Single-Chain Multiband and Wideband Direct-to-RF Transmitter [J] . Ziming Wang, Lei Guan, Ronan Farrell IEEE Transactions on Microwave Theory and Techniques . 2017,第12期

机译：基于欠采样的基于观测的紧凑型数字预失真的单链多频带和宽带直接RF发射机
2. Digital Predistortion of Wideband Power Amplifier With Single Undersampling ADC [J] . Ning Guan, Nan Wu, Hua Wang Microwave and Wireless Components Letters, IEEE . 2017,第11期

机译：具有单个欠采样ADC的宽带功率放大器的数字预失真
3. Influence of Amplifier Memory Effects on Undersampling Wideband Digital Predistortion [J] . Zhibin Zeng, Rui Zhang Information Technology Journal . 2013,第20期

机译：放大器内存效应对宽带数字预失真的影响
4. A measurement setup for digital predistortion using direct RF undersampling [C] . Tomasz Kowalski, Bartlomiej D?bek, Gian Piero Gibiino, International Microwave and Radar Conference . 2018

机译：使用Direct RF UnderSamping进行数字预失真的测量设置
5. Linearization of RF power amplifiers using digital predistortion technique implemented on a DSP/FPGA Platform. [D] . Kwan, Andrew Ka Chung. 2009

机译：使用在DSP / FPGA平台上实现的数字预失真技术对RF功率放大器进行线性化。
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7. Digital Predistortion for 5G Small Cell: GPU Implementation and RF Measurements [O] . Pablo Pascual Campo, Vesa Lampu, Alexandre Meirhaeghe, 2019

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A measurement setup for digital predistortion using direct RF undersampling

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