WIRELESS COMMUNICATION DEVICE AND OPERATING METHOD OF WIRELESS COMMUNICATION DEVICE

WIRELESS COMMUNICATION DEVICE AND OPERATING METHOD OF WIRELESS COMMUNICATION DEVICE

A wireless communication device includes a pre-distortion circuit configured to generate a pre-distortion signal by pre-distorting an input signal based on a pre-distortion coefficient, a power amplifier configured to generate an output signal by amplifying the pre-distortion signal, a measurement c...

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Hauptverfasser: Lim, Hyungsun, Noh, Heesang, Yoo, Kyungwoo, Choi, Hongmin
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Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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creator Lim, Hyungsun
Noh, Heesang
Yoo, Kyungwoo
Choi, Hongmin
description A wireless communication device includes a pre-distortion circuit configured to generate a pre-distortion signal by pre-distorting an input signal based on a pre-distortion coefficient, a power amplifier configured to generate an output signal by amplifying the pre-distortion signal, a measurement circuit configured to measure a magnitude of a first frequency component of a first adjacent channel and a magnitude of a second frequency component of a second adjacent channel of the output signal, a filtering circuit, that includes an error filter, configured to generate a filtered error signal by filtering an error signal that is based on the input signal and the output signal, the error filter is configured based on the magnitude of the first frequency component and the magnitude of the second frequency component, and a pre-distortion coefficient update circuit configured to update the pre-distortion coefficient based on the error signal or the filtered error signal.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title WIRELESS COMMUNICATION DEVICE AND OPERATING METHOD OF WIRELESS COMMUNICATION DEVICE
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