公开(公告)号：US10250421B2

公开(公告)日：2019-04-02

申请号：US15896506

申请日：2018-02-14

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Kyoungsoo Moon ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L29/06 ,  H04L29/08 ,  H04H60/25 ,  H04H60/32 ,  H04H60/76 ,  H04H20/33 ,  H04H60/73 ,  H04L5/00

Abstract: The present invention provides a method of transmitting a broadcast signal. The method of transmitting a broadcast signal according to the present invention provides a system capable of supporting future broadcast services in environments supporting next-generation hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, efficient signaling methods capable of covering both terrestrial broadcast networks and the Internet in environments supporting future hybrid broadcast are provided.

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：US10237620B2

公开(公告)日：2019-03-19

申请号：US15317364

申请日：2015-06-09

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Woosuk Ko ,  Seungryul Yang ,  Kyoungsoo Moon ,  Seungjoo An ,  Jinwon Lee ,  Sungryong Hong

IPC: H04N7/173 ,  H04N21/472 ,  H04N21/43 ,  H04L1/00 ,  H04N21/235 ,  H04N21/254 ,  H04N21/262 ,  H04N21/4147 ,  H04N21/643 ,  H04N21/2362 ,  H04N21/258 ,  H04N21/6547 ,  H04N21/81 ,  H04N21/84

Abstract: One embodiment of the present invention provides a method and a device for transmitting and receiving service guide information. The service guide information transmission method, according to one embodiment of the present invention, comprises the steps of: generating service guide information including information on broadcast service and content; encoding the generated service guide information; and transmitting the encoded service guide information.

公开(公告)号：US10205556B2

公开(公告)日：2019-02-12

申请号：US15039311

申请日：2015-11-20

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Kyoungsoo Moon ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L29/06 ,  H04N21/235 ,  H04N21/236 ,  H04N21/2383

Abstract: A method for generating and processing a broadcast signal according to an embodiment of the present invention includes encoding broadcast data for one or more broadcast services, encoding first level signaling information including information describing attributes of the one or more broadcast services, encoding second level signaling information including information for scanning the one or more broadcast services, and generating a broadcast signal including the broadcast data, the first level signaling information, and the second level signaling information, wherein the second level signaling information includes first capability information identifying capabilities needed to decode one or more pieces of broadcast content for the one or more broadcast services.

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：US10171852B2

公开(公告)日：2019-01-01

申请号：US15580554

申请日：2016-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Seungryul Yang ,  Minsung Kwak ,  Woosuk Ko ,  Sungryong Hong ,  Woosuk Kwon ,  Kyoungsoo Moon ,  Jangwon Lee

IPC: H04N21/2389 ,  H04N21/858 ,  H04N21/262 ,  H04N21/236 ,  H04N21/4725 ,  H04N21/8358 ,  H04N21/2665 ,  H04N21/61 ,  H04N21/643

Abstract: The present invention presents a method for transmitting a broadcast signal. According to the present invention, the method for transmitting a broadcast signal presents a system capable of supporting a next-generation broadcast service in an environment supporting a next-generation hybrid broadcast using a terrestrial broadcast network and an Internet network. In addition, presented is an efficient signaling method capable of covering both a terrestrial broadcast network and an Internet network in an environment supporting a next-generation hybrid broadcast.

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：US20180331785A1

公开(公告)日：2018-11-15

申请号：US16026766

申请日：2018-07-03

Applicant: LG Electronics Inc.

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

IPC: H04L1/00 ,  H04B1/04 ,  H04L27/26 ,  H04L12/18 ,  H04L5/00 ,  H03M13/00 ,  H04B7/0413

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data corresponding to a number of physical paths, a time interleaver to time interleave the encoded service data in each physical path, a frame builder to build at least one signal frame including the time interleaved service 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 transmitting the broadcast signals having the modulated data.