使用直接射频欠采样的数字预失真测量装置

2018 22nd International Microwave and Radar Conference (MIKON) Pub Date : 2018-05-01 DOI:10.23919/MIKON.2018.8405248

T. Kowalski, Bartlomiej Dąbek, G. P. Gibiino, S. Habib, P. Barmuta

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引用次数: 1

摘要

这项工作提出了一种数字预失真测量装置，它利用单通道直接射频欠采样，消除了基于混频器的模拟下变频的需要。该设置在商用功率放大器上进行了测试，使用10 MHz qpsk调制输入信号，使归一化均方误差从0.0087提高到4.54e-04。

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A measurement setup for digital predistortion using direct RF undersampling

This work presents a measurement setup for digital predistortion which utilizes single channel direct RF undersam-pling, 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.

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来源期刊

2018 22nd International Microwave and Radar Conference (MIKON)

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