公开(公告)号：US20220115991A1

公开(公告)日：2022-04-14

申请号：US17645076

申请日：2021-12-20

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： HONGMIN CHOI ,  JUNSE LEE ,  HYUNSEOK YU ,  YOUNGIK CHO

IPC分类号： H03F1/32 ,  H03F3/24 ,  H04B1/04 ,  H03F3/189

摘要： A device configured to perform wireless communication includes: a pre-distortion circuit configured to generate a pre-distorted input signal by performing pre-distortion on an input signal based on a parameter set comprising a plurality of coefficients; a power amplifier configured to generate an output signal by amplifying an RF signal based on the pre-distorted input signal; and a parameter obtaining circuit configured to obtain second memory polynomial modeling information corresponding to an operating frequency band based on first memory polynomial modeling information corresponding to each of a plurality of frequency sections and obtain a parameter set according to an indirect learning structure by using the second memory polynomial modeling information.