公开(公告)号：US20250125825A1

公开(公告)日：2025-04-17

申请号：US18743260

申请日：2024-06-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： SUMIN KIM ,  HONGMIN CHOI ,  MIN-SIK KIM ,  CHANGHYUN BAEK ,  HYUNG SUN LIM ,  JOONHOI HUR

IPC: H04B1/04 ,  H04L27/36

Abstract: A radio-frequency (RF) circuit including: a multi-tone generation circuit configured to generate a multi-tone signal including a plurality of tones; a predistortion circuit configured to predistort the multi-tone signal or a modulation signal and output a predistortion signal; a power amplifier configured to amplify the predistortion signal and output an output signal; and a predistortion modeling circuit configured to model a predistortion model corresponding to the predistortion circuit based on the predistortion signal corresponding to the multi-tone signal and the output signal.

公开(公告)号：US20240106692A1

公开(公告)日：2024-03-28

申请号：US18348927

申请日：2023-07-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： SUMIN KIM ,  HYUNG SUN LIM ,  HONGMIN CHOI

IPC: H04L27/36 ,  H04B1/40

CPC classification number: H04L27/366 ,  H04B1/40

Abstract: An electronic device includes a processor that converts AM-AM data and AM-PM data into complex domains for each of a plurality of different amplitudes to acquire a plurality of preprocessed data parts, converts the plurality of preprocessed data parts into a time domain to generate a plurality of filters for each of a plurality of different amplitudes, generates an output signal by performing a convolution on an input signal with the plurality of filters, and models a non-linear memory system using the input signal and the output signal.