公开(公告)号：US20190289340A1

公开(公告)日：2019-09-19

申请号：US16301697

申请日：2017-05-31

Applicant: LG Electronics Inc.

Inventor： Minsung KWAK ,  Seungryul YANG ,  Woosuk KO

IPC: H04N21/2362 ,  H04N21/2381 ,  H04N21/858 ,  H04N21/262 ,  H04N21/438 ,  H04N21/431

Abstract: Disclosed is a broadcast signal transmitting method. A broadcast signal transmitting method according to an embodiment of the present invention may comprise: generating low level signaling (LLS) information; processing the LLS information into IP packets; generating link layer packets by link layer processing the IP packets; and generating a broadcast signal by physical layer processing the link layer packets.

公开(公告)号：US20190222968A1

公开(公告)日：2019-07-18

申请号：US16362053

申请日：2019-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Chulkyu MUN ,  Sungryong HONG

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

Abstract: A method for processing a broadcast signal, includes encoding Physical Layer Pipe (PLP) data; generating a signal frame by mapping the encoded PLP data onto data symbols in at least one subframe of the signal frame and mapping signaling data onto preamble symbols of a preamble of the signal frame; inserting first pilots into the data symbols of the signal frame and inserting second pilots into the preamble symbols of the signal frame, wherein the first pilots are different from the second pilots, each data symbol has a pilot density according to a first pilot pattern and each preamble symbol has a pilot density according to a second pilot pattern; and modulating data in the signal frame, the signaling information including a boosting parameter of which value has a range defined from 0 to 4 for a subframe.

公开(公告)号：US20190110104A1

公开(公告)日：2019-04-11

申请号：US16215097

申请日：2018-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Woosuk KO ,  Seungryul YANG ,  Kyoungsoo MOON ,  Seungjoo AN ,  Jinwon LEE ,  Sungryong HONG

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

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：US20190058491A1

公开(公告)日：2019-02-21

申请号：US16166978

申请日：2018-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Seoyoung BACK ,  Sungryong HONG

IPC: H03M13/27 ,  H04L1/00 ,  H03M13/00 ,  H04B1/16 ,  H04L12/18 ,  G06F11/10

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaving, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a FEC (Forward Error Correction) block in the plural PLPs; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data.

公开(公告)号：US20190007753A1

公开(公告)日：2019-01-03

申请号：US15765761

申请日：2016-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Seungryul YANG ,  Minsung KWAK ,  Woosuk KO ,  Sungryong HONG ,  Kyoungsoo MOON

IPC: H04N21/8358 ,  H04N21/61 ,  H04N21/443

CPC classification number: H04N21/8358 ,  H04L65/4076 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2389 ,  H04N21/4432 ,  H04N21/61 ,  H04N21/643

Abstract: A broadcast signal transmission method is disclosed. The broadcast signal transmission method according to one embodiment of the present invention comprises the steps of: processing video data and audio data; encoding a broadcast service component, including the video data and audio data, and service layer signaling (SLS) information on the broadcast service component on the basis of a delivery protocol; subjecting the broadcast service component, the SLS information, and service list table (SLT) information to IP packetization; and subjecting the broadcast service component, the SLS information, and the SLT information to physical layer processing.

公开(公告)号：US20180367352A1

公开(公告)日：2018-12-20

申请号：US16013597

申请日：2018-06-20

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L12/18 ,  H04L5/00 ,  H04L1/00 ,  H04H20/42 ,  H04H60/11 ,  H03M13/00

Abstract: Disclosed herein is a broadcast signal transmitter. The broadcast signal transmitter according to an embodiment of the present invention includes an input formatting module configured to perform baseband formatting and to output at least one Physical Layer Pipe (PLP) data, a BICM module configured to perform error-correction processing on the PLP data, a framing and interleaving module configured to interleave the PLP data and to generate a signal frame, and a waveform generation module configured to insert a preamble into the signal frame and to generate a broadcast signal by OFDM-modulate the signal frame.

公开(公告)号：US20180359007A1

公开(公告)日：2018-12-13

申请号：US16027977

申请日：2018-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04B7/0413 ,  H04L1/00 ,  H04H60/73 ,  H04L27/26 ,  H04H60/11

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 each of a plurality of physical paths, a time interleaver to the encoded service data in each physical path by a TI (Time Interleaving) block, wherein at least one virtual FEC block is ahead of FEC blocks in at least one TI block, wherein each TI block includes a variable number of FEC blocks of the encoded service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block, 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：US20180213266A1

公开(公告)日：2018-07-26

申请号：US15746323

申请日：2016-07-21

Applicant: LG Electronics Inc.

Inventor： Minsung KWAK ,  Seungryul YANG ,  Woosuk KO ,  Jangwon LEE ,  Kyoungsoo MOON ,  Sungryong HONG

IPC: H04N21/2362 ,  H04N21/236 ,  H04N21/61 ,  H04N21/438

CPC classification number: H04N21/2362 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/438 ,  H04N21/4385 ,  H04N21/6112 ,  H04N21/6125 ,  H04N21/6332 ,  H04N21/64322 ,  H04N21/84 ,  H04N21/858

Abstract: A method for transmitting a broadcast signal is disclosed. The method for transmitting a broadcast signal according to an embodiment of the present invention includes performing delivery layer processing of a broadcast service data and signaling information for the broadcast service data, performing UDP/IP encapsulation of a broadcast service data and signaling information for the broadcast service data and performing physical layer processing of a broadcast service data and signaling information for the broadcast service data.

公开(公告)号：US20180176345A1

公开(公告)日：2018-06-21

申请号：US15887630

申请日：2018-02-02

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Jangwon LEE ,  Woosuk KO ,  Sungryong HONG

IPC: H04L29/08 ,  H04N21/854 ,  H04N21/845 ,  H04N21/643 ,  H04N21/6408 ,  H04L29/06 ,  H04N21/61 ,  H04N21/438 ,  H04N21/6405

Abstract: A method and apparatus for transmitting or receiving a broadcast signal are discussed. The method for transmitting includes generating service data of a broadcast service, first signaling information for signaling the service data and second signaling information including information for locating the first signaling information, wherein the second signaling information further includes information for identifying the broadcast service and uniform resource locator (URL) information for obtaining the first signaling information, wherein the URL information to which additional information is appended is used for generating a request for obtaining the first signaling information, and wherein the additional information includes information for indicating which type of the first signaling information is requested; generating a broadcast signal including the service data and the second signaling information; and transmitting the broadcast signal.

公开(公告)号：US20180176055A1

公开(公告)日：2018-06-21

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 ,  H04H60/25 ,  H04H60/32 ,  H04H60/76

CPC classification number: H04L27/2602 ,  H04H20/33 ,  H04H60/25 ,  H04H60/32 ,  H04H60/73 ,  H04H60/76 ,  H04L5/0091 ,  H04L27/2608 ,  H04L29/06 ,  H04L29/08

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.