公开(公告)号：US11502762B2

公开(公告)日：2022-11-15

申请号：US17138225

申请日：2020-12-30

Applicant: LG Electronics Inc.

Inventor： Jaeshin Han ,  Sukbum Lee ,  Sangchae Lim ,  Youngjin Hong

IPC: G06F15/16 ,  H04H60/32 ,  H04H20/72 ,  H04N5/921 ,  H04H20/12 ,  H04N5/911 ,  H04L25/03 ,  H04L25/02

Abstract: The present invention relates to a signal processing apparatus and an image display apparatus including the same. The signal processing apparatus for processing a baseband signal demodulated from an RF signal, includes: a synchronizer; a channel estimator; an equalizer; an error corrector to perform error correction based on a signal output from the equalizer; and a mean square error calculator to calculate a mean square error based on a difference between an input signal from the equalizer and a reference signal, wherein when the RF signal includes a co-channel interference signal, the error corrector performs error correction by using a mean square error in a time domain or mean square errors in a time domain and a spatial domain. Accordingly, a baseband signal, from which a defect is removed, may be obtained in response to various communication channels or broadcast channels.

公开(公告)号：US10903923B2

公开(公告)日：2021-01-26

申请号：US16422351

申请日：2019-05-24

Applicant: LG Electronics Inc.

Inventor： Jaeshin Han ,  Sukbum Lee ,  Sangchae Lim ,  Youngjin Hong

IPC: H04L25/03 ,  H04H60/32 ,  H04L25/02 ,  H04H20/72 ,  H04N5/921 ,  H04H20/12 ,  H04N5/911

Abstract: The present invention relates to a signal processing apparatus and an image display apparatus including the same. The signal processing apparatus for processing a baseband signal demodulated from an RF signal, includes: a synchronizer; a channel estimator; an equalizer; an error corrector to perform error correction based on a signal output from the equalizer; and a mean square error calculator to calculate a mean square error based on a difference between an input signal from the equalizer and a reference signal, wherein when the RF signal includes a co-channel interference signal, the error corrector performs error correction by using a mean square error in a time domain or mean square errors in a time domain and a spatial domain. Accordingly, a baseband signal, from which a defect is removed, may be obtained in response to various communication channels or broadcast channels.