公开(公告)号：US10116480B2

公开(公告)日：2018-10-30

申请号：US15440802

申请日：2017-02-23

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

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

Abstract: Disclosed herein is a method of transmitting a broadcasting signal. The method comprises formatting input streams into at least one data transmission channel, encoding data corresponding to each of data transmission channel carrying service data or service component data, building at least one signal frame comprising the encoded data, modulating the at least one signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, and transmitting a broadcasting signal comprising the at least one modulated signal frame.

公开(公告)号：US10103919B2

公开(公告)日：2018-10-16

申请号：US15619100

申请日：2017-06-09

Applicant: LG Electronics Inc.

Inventor： Jongwoong Shin ,  Jinwoo Kim ,  Woosuk Ko ,  Jaeho Hwang ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00 ,  H04N5/00 ,  H04N5/067 ,  H04N5/44 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/438 ,  H04L5/00 ,  H04B7/0413 ,  H04B7/10

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder for encoding service data corresponding to each of a plurality of data transmission path, wherein each of the data transmission path carries at least one service component, an encoder for encoding signaling data, a frame builder for building at least one signal frame including the encoded service data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.

公开(公告)号：US10063307B2

公开(公告)日：2018-08-28

申请号：US15915263

申请日：2018-03-08

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Seoyoung Back ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/02 ,  H04B7/12 ,  H04H40/09 ,  H04L1/00 ,  H04L27/14 ,  H04L5/00

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped service data.

公开(公告)号：US10057100B2

公开(公告)日：2018-08-21

申请号：US15128838

申请日：2015-02-25

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/28 ,  H04L27/26 ,  H04L29/06 ,  H04L29/08

CPC classification number: H04L27/2627 ,  H04L1/00 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0091 ,  H04L27/2601 ,  H04L27/2615 ,  H04L27/2649 ,  H04L65/4076 ,  H04L69/04 ,  H04L69/22 ,  H04L69/323 ,  H04L69/324

Abstract: An apparatus for transmitting a broadcast signal is introduced. The apparatus for transmitting a broadcast signal according to the present invention includes: an input formatting module configured to de-multiplex an input stream into at least one Data Pipe (DP); a BICM module configured to perform error correction processing on data of the at least one DP; a frame building module configured to generate a signal frame including the data of the DP; an OFDM generation module configured to generate a transmission broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation; and a signaling generation module configured to generate Physical Layer Signaling (PLS) information.

公开(公告)号：US10051333B2

公开(公告)日：2018-08-14

申请号：US14908304

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

Inventor： Sanchul Moon ,  Woosuk Ko ,  Sungryong Hong ,  Jinwoo Kim ,  Jongwoong Shin

IPC: H04N7/12 ,  H04N21/61 ,  H04L27/26 ,  H04B7/06 ,  H04L1/00 ,  H03M13/03 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H04B7/0413 ,  H03M13/11 ,  H03M13/13 ,  H03M13/15

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding Data Pipe, DP, data according to a code rate, wherein the encoding further includes Low-Density Parity-Check, LDPC, encoding the DP data, Bit interleaving the LDPC encoded DP data, and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.

公开(公告)号：US10009147B2

公开(公告)日：2018-06-26

申请号：US15449530

申请日：2017-03-03

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong Shin ,  Jaehyung Kim ,  Woosuk Ko ,  Jongseob Baek ,  Sungryong Hong

IPC: H03D1/04 ,  H04L1/00 ,  H04L27/26 ,  H04B1/10 ,  H04L12/18 ,  H04J11/00 ,  H04L1/04 ,  H04L5/00

CPC classification number: H04L1/0071 ,  H04B1/10 ,  H04J11/004 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0052 ,  H04L1/007 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0023 ,  H04L5/005 ,  H04L12/18 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649

Abstract: A broadcast signal receiver is provided. The broadcast signal receiver comprises a demodulator configured to demodulate a received broadcast signal, a frame parser configured to parse a signal frame of the demodulated broadcast signal, the signal frame comprising a preamble and Layered Division Multiplexing (LDM) data, and the preamble carrying signaling information, a time deinterleaver configured to time deinterleave the LDM data, a first demapping/decoding unit configured to obtain core layer data by demapping and Forward Error Correction (FEC)-decoding the LDM data, an interference removal unit configured to remove the core layer data from the LDM data and to output enhanced layer data, a second demapping/decoding unit configured to demap and FEC-decode the enhanced layer data, and an output processor configured to process at least one of the core layer data or the enhanced layer data and to output a data stream.

公开(公告)号：US20180176062A1

公开(公告)日：2018-06-21

申请号：US15900280

申请日：2018-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L29/06 ,  H04L5/00

CPC classification number: H04L1/0006 ,  H04H20/00 ,  H04H20/33 ,  H04H20/423 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L12/18 ,  H04L12/1881 ,  H04L27/2602 ,  H04L27/2649 ,  H04L69/22

Abstract: A method and apparatus for receiving broadcast signals are discussed. The method includes receiving the broadcast signals; demodulating the received broadcast signals by an Orthogonal Frequency Division Multiplex (OFDM) scheme; obtaining broadcast data from a signal frame in the demodulated broadcast signals, wherein the broadcast data includes video data or audio data, and the broadcast data is carried by only a Data Pipe (DP); decoding the broadcast data; and output-processing the decoded broadcast data to output a data packet, wherein the data packet includes a Transport Stream (TS) packet, wherein a header of the data packet includes first information indicating whether a header deletion is performed in the TS packet, wherein the header of the data packet further includes second information indicating whether a null packet deletion is performed, and wherein when the second information is not a zero value, the null packet is deleted prior to the data packet.

公开(公告)号：US09985712B2

公开(公告)日：2018-05-29

申请号：US15365729

申请日：2016-11-30

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Seoyoung Back ,  Woosuk Ko ,  Sungryong Hong

IPC: H04B7/02 ,  H04B7/12 ,  H04L27/14 ,  H04L1/00 ,  H04H40/09 ,  H04L5/00

CPC classification number: H04L5/0044 ,  H04B7/12 ,  H04H20/28 ,  H04H40/09 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/12 ,  H04L27/14 ,  H04L27/26 ,  H04L27/2647 ,  H04W4/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped service data.

公开(公告)号：US09948444B2

公开(公告)日：2018-04-17

申请号：US15692556

申请日：2017-08-31

Applicant: LG Electronics Inc.

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

IPC: H04L5/00 ,  H04L27/26 ,  H04H20/33 ,  H04H20/59 ,  H04H20/42

CPC classification number: H04L5/0092 ,  H04H20/33 ,  H04H20/423 ,  H04H20/59 ,  H04L5/0048 ,  H04L27/2613

Abstract: The apparatus for transmitting broadcast signals, the apparatus comprises an encoder for encoding service data corresponding to each of a plurality of data transmission path, wherein each of the data transmission path carries at least one service component, a frame builder for building at least one signal frame including the encoded service data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame, wherein each of the at least one signal frame includes a preamble having signaling data, wherein the signaling data includes size of FFT, information of whether the signal frame including EAC message or not and information relating to the service data of the signal frame.

公开(公告)号：US09948425B2

公开(公告)日：2018-04-17

申请号：US15161925

申请日：2016-05-23

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Seoyoung Back ,  Sungryong Hong

IPC: H04L27/00 ,  H04L1/00 ,  H04L27/36 ,  H04B7/04 ,  H04L12/927 ,  H04L29/06 ,  H04H20/71 ,  H04L5/00

CPC classification number: H04L1/0041 ,  H04B7/04 ,  H04H20/71 ,  H04L1/004 ,  H04L1/0044 ,  H04L1/0048 ,  H04L1/0071 ,  H04L1/0075 ,  H04L5/0053 ,  H04L27/36 ,  H04L47/806 ,  H04L69/22 ,  H04L2001/0093

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding, by a first and a second encoder, data in respective first and second PLPs (Physical Layer Pipes); combining the encoded data in the respective first and second PLP by a combiner, wherein each of the first and second PLP belongs to a respective first and second layer. The code rate of the first PLP is different from the code rate of the second PLP. Time interleaving the combined data according to a first or second mode. Building at least one signal frame including the time interleaved data. Frequency interleaving data in the at least one signal frame. Modulating the frequency interleaved data in the at least one signal frame, and transmitting the broadcast signals having the modulated data by a transmitter.