公开(公告)号：US10349382B2

公开(公告)日：2019-07-09

申请号：US15434858

申请日：2017-02-16

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Sungryong Hong ,  Chulkyu Mun ,  Jinyong Choi ,  Jongseob Baek ,  Kookyeon Kwak ,  Woosuk Ko

IPC: H04W72/00 ,  H04W28/06 ,  H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H04L29/06 ,  H04H20/72 ,  H04L1/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an input formatter to format at least one input stream to output DP (Data Pipe) data corresponding to each of a plurality of DPs, wherein the each of a plurality of DPs carries at least one service or at least one service component, an encoder to encode the DP data, a mapper to map the encoded DP data onto constellations, a time interleaver to time interleave the mapped DP data, a frame builder to build at least one signal frame including the time interleaved DP data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data.

公开(公告)号：US10337137B2

公开(公告)日：2019-07-02

申请号：US15227275

申请日：2016-08-03

Applicant: LG ELECTRONICS INC.

Inventor： Joosik Jung ,  Jaehyung Kim ,  Hyungha Kang

IPC: F26B21/06 ,  D06F58/24 ,  D06F58/20 ,  D06F58/02 ,  D06F58/10

Abstract: A clothes treating apparatus includes: a heat pump cycle having an evaporator, a compressor, a condenser and an expansion valve, and configured to apply heat to air which circulates a clothes accommodation unit; a water cover configured to support the evaporator and the condenser on an upper surface thereof, and having therein a condensate water collection unit; and a condensate water separating unit protruding from the water cover to a space between the evaporator and the condenser, and configured to prevent scattering of condensate water to the condenser from the evaporator due to an air flow.

公开(公告)号：US10298270B2

公开(公告)日：2019-05-21

申请号：US15402838

申请日：2017-01-10

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Sungryong Hong ,  Chulkyu Mun ,  Jinyong Choi ,  Jaeho Hwang ,  Kookyeon Kwak ,  Woosuk Ko

IPC: H03M13/27 ,  H04L1/00 ,  H04L27/26 ,  H04L5/00 ,  H03M13/11

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding DP data according to a code rate, wherein the encoding further includes LDPC encoding the DP data according to the code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, MIMO (Multi Input Multi Output) encoding the mapped DP data, and time interleaving the MIMO encoded DP data; building at least one signal frame by arranging the encoded DP data; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the step of modulating includes inserting CPs in the built signal frame based on a CP set which includes information about locations of CPs, wherein the CP set is defined based on FFT size.

公开(公告)号：US10278032B2

公开(公告)日：2019-04-30

申请号：US15918158

申请日：2018-03-12

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Chulkyu Mun ,  Sungryong Hong

IPC: H04L27/26 ,  H04W4/06 ,  H04L5/00 ,  H04W52/32 ,  H04W52/54

Abstract: A broadcast signal transmitter includes an encoder configured to perform outer encoding and inner encoding on Physical Layer Pipe (PLP) data, a time interleaver configured to interleave the PLP data on which the outer encoding and the inner encoding are performed, a framer configured to generate a signal frame comprising the interleaved PLP data, the signal frame comprising a preamble and at least one subframe, a frequency interleave configured to interleave data comprised in the generated signal frame, a pilot inserter configured to insert Scattered Pilots (SPs) into the signal frame comprising the interleaved data, and a modulator configured to modulate the SPs inserted signal frame by Orthogonal Frequency Division Multiplexing (OFDM) modulation scheme.

公开(公告)号：US10250400B2

公开(公告)日：2019-04-02

申请号：US15687163

申请日：2017-08-25

Applicant: LG Electronics Inc.

Inventor： Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong ,  Chulkyu Mun ,  Jinyong Choi ,  Jaeho Hwang ,  Jongseob Baek ,  Kookyeon Kwak ,  Byeongkook Jeong

IPC: H04L1/00 ,  H04J13/00 ,  H04L12/18 ,  H04N21/236 ,  H04N21/434 ,  H04N21/2383 ,  H04N21/438 ,  H04L12/931 ,  H04L27/26

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals including encoding DP (Data Pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building a signal frame including the time interleaved DP data, modulating data in the built signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, and transmitting the broadcast signals having the modulated data, wherein the broadcast signals are carried in consecutive super frames, wherein each of the super frames includes multiplexed signal frames for different service in a time domain, wherein the signal frame includes a preamble located at the beginning of the at least one signal frame, wherein the preamble includes signaling information for identifying the signal frame.

公开(公告)号：US10193732B2

公开(公告)日：2019-01-29

申请号：US15912087

申请日：2018-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Chulkyu Mun ,  Woosuk Ko ,  Jongseob Baek ,  Sungryong Hong

IPC: H04L27/14 ,  H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04W72/00

Abstract: A broadcast signal receiver includes a tuner for tuning a broadcast signal, a reference signal detector for detecting pilots from the tuned broadcast signal, a de-framer for de-framing a signal frame of the broadcast signal and deriving service data based on a number of carriers of the signal frame, and a decoder for performing error correction process on the derived service data.

公开(公告)号：US10193725B2

公开(公告)日：2019-01-29

申请号：US15892597

申请日：2018-02-09

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L12/18 ,  H04L1/00 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H04L5/00 ,  H03M13/09 ,  H03M13/11 ,  H03M13/15

Abstract: A broadcast signal transmitter includes a Forward Error Correction (FEC) encoder configured to perform error correction processing on PLP data; a time interleaver configured to perform time-interleaving on the PLP data; a framer configured to generate a signal frame comprising the PLP data; a frequency interleaver configured to perform frequency-interleaving on the signal frame; and a waveform generator configured to generate a transmission signal comprising the signal frame, wherein the signal frame comprises a preamble, and at least one subframe, wherein the preamble comprises at least one preamble symbol, the at least preamble symbol carries Layer 1 (L1) signaling data for the signal frame, and wherein the first preamble symbol comprises preamble_symbol_number information, and the preamble_symbol_number information indicates a number of preamble symbols other than the first preamble symbol.

公开(公告)号：US10158515B2

公开(公告)日：2018-12-18

申请号：US15477371

申请日：2017-04-03

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu Mun ,  Byounggill Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00 ,  G06F11/10 ,  H04L5/00 ,  H04L12/18

Abstract: Disclosed is an apparatus for transmitting a broadcast signal, including: an input formatting module configured to demultiplex an input stream into at least one Data Pipe (DP); a BICM (Bit Interleaved Coding and Modulation) module configured to perform error correction processing on data of the DP; a frame building module configured to map the data of the DP to symbols within a frame; an OFDM generation module configured to generate a transmission signal by inserting a preamble into the frame and performing OFDM modulation; and a transmission parameter control module configured to set at least one transmission parameter and control transmission signal processing of the frame building module and the OFDM generation module.

公开(公告)号：US10142146B2

公开(公告)日：2018-11-27

申请号：US15646468

申请日：2017-07-11

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L12/18 ,  H04L1/00 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/09 ,  H03M13/11 ,  H03M13/15

Abstract: A broadcast signal receiver is provided that includes an Orthogonal Frequency Division Multiplexing (OFDM) demodulator configured to OFDM demodulate a received broadcast signal; a pilot detector configured to detect pilots included in the broadcast signal; a frame parser configured to parse a signal frame of the broadcast signal and to output Physical Layer Pipe (PLP) data, the signal frame comprising a bootstrap, a preamble, and a data part; and a decoder configured to perform Forward Error Correction (FEC) decoding on the PLP data. The bootstrap comprises preamble structure information about the preamble. The preamble comprises a plurality of preamble symbols. The preamble carries Layer 1 (L1) signaling data for the signal frame. A first preamble symbol has a minimum number of carriers (NoC) and the first preamble symbol comprises NoC-related information indicating an NoC for at least one remaining preamble symbol.

公开(公告)号：US09949094B2

公开(公告)日：2018-04-17

申请号：US15646493

申请日：2017-07-11

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Chulkyu Mun ,  Sungryong Hong

IPC: H04L27/26 ,  H04L5/00 ,  H04W4/06 ,  H04W52/32 ,  H04W52/54

CPC classification number: H04W4/06 ,  H04L5/0007 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2626 ,  H04L27/2666 ,  H04W52/325 ,  H04W52/54

Abstract: A broadcast signal transmitter is provided that includes an Forward Error Correction (FEC) encoder configured to error correction process Physical Layer Pipe (PLP) data; a bit interleaver configured to bit interleave the PLP data; a framer configured to generate a signal frame comprising the PLP data, the signal frame comprising a preamble and at least one subframe; a pilot inserter configured to insert Scattered Pilots (SPs) into the signal frame; and an Inverse Fast Fourier Transform (IFFT) modulator configured to perform Orthogonal Frequency Division Multiplexing (OFDM)-modulation on the signal frame. An SP pattern of the SPs is defined by Dx and Dy, the Dx being a separation of pilot bearing carriers in a frequency direction and the Dy being a number of symbols forming one scattered pilot sequence in a time direction. The amplitude of the SPs is determined from a SP boosting parameter and the SP pattern of the SPs.