公开(公告)号：US10904620B2

公开(公告)日：2021-01-26

申请号：US16572313

申请日：2019-09-16

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Kwon ,  Sungryong Hong ,  Kyoungsoo Moon ,  Jangwon Lee ,  Woosuk Ko

IPC: H04N21/462 ,  H04L1/00 ,  H04N7/24 ,  H04N21/2383 ,  H04N21/854 ,  H04N21/2362 ,  H03M13/11 ,  H03M13/27 ,  H04N5/40 ,  H04N21/242 ,  H04N21/262 ,  H04N21/43 ,  H04H20/40 ,  H04H60/39 ,  H04H60/07

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe (DP) data, Low-Density Parity-Check (LDPC) encoding the DP data according to a code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, building at least one signal frame including the mapped 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, wherein the input streams include Audio/Video (A/V) data and service guide data, and wherein the Audio/Video (A/V) data and service guide data are included in first ISO base media file format (ISOBMFF) files.

公开(公告)号：US20200374332A1

公开(公告)日：2020-11-26

申请号：US16989173

申请日：2020-08-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04H20/93 ,  H04H60/73 ,  H04N21/84 ,  H04N21/2362 ,  H04N21/434 ,  H04N21/45 ,  H04N21/61

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 properties 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 first level signaling information includes user service description (USD) information describing service layer properties with respect to the broadcast services, wherein the USD information includes capability information specifying capabilities necessary to present broadcast content of the broadcast services.

公开(公告)号：US10826632B2

公开(公告)日：2020-11-03

申请号：US16450416

申请日：2019-06-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/71 ,  H04H20/72 ,  H04H20/42 ,  H04N21/434 ,  H04H20/81 ,  H04N7/16

Abstract: The present invention provides a method for transmitting a broadcasting signal. A method for transmitting a broadcasting signal according to the present invention suggests a system capable of supporting a next generation broadcasting service in an environment which supports a next generation hybrid broadcast using a terrestrial broadcast network and an internet network. Furthermore, in an environment which supports a next generation hybrid broadcast, suggested is an efficient signaling scheme which can embrace both a terrestrial broadcast network and an internet network.

公开(公告)号：US10727964B2

公开(公告)日：2020-07-28

申请号：US15327578

申请日：2015-09-03

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Ko ,  Sungryong Hong ,  Minsung Kwak ,  Woosuk Kwon ,  Jangwon Lee

IPC: H04H20/95 ,  H04N21/2383 ,  H04N21/236 ,  H04N21/438 ,  H04N21/434 ,  H04H60/73 ,  H04L29/06

Abstract: The present invention provides a method for providing a broadcast service. A method by which a broadcast signal transmitter provides the broadcast service, according to the present invention, can comprise the steps of: encoding media data into a media stream; generating signaling information for signaling the media stream; multiplexing the encoded media stream and the signaling information; and transmitting a broadcast signal including the multiplexed media stream and signaling information.

公开(公告)号：US10687043B2

公开(公告)日：2020-06-16

申请号：US15685631

申请日：2017-08-24

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh ,  Jongyeul Suh

IPC: H04N13/194 ,  G06T9/00 ,  H04N13/178 ,  H04N13/106 ,  G06T3/00 ,  G06T15/20 ,  H04N21/236 ,  G06T15/04

Abstract: A method of transmitting omnidirectional video is provided according to one aspect of the present invention. The method of transmitting omnidirectional video according to an embodiment of the present invention includes: acquiring an image for the omnidirectional video; projecting the image for the omnidirectional video onto a 3D projection structure; packing the image projected on the 3D projection structure into a 2D frame; encoding the image packed into the 2D frame; and transmitting a data signal including the encoded image and metadata about the omnidirectional video.

公开(公告)号：US10666476B2

公开(公告)日：2020-05-26

申请号：US16279475

申请日：2019-02-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L29/06 ,  H04L29/08 ,  H04H20/33 ,  H04H60/73 ,  H04H60/25 ,  H04H60/32 ,  H04H60/76 ,  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：US10652598B2

公开(公告)日：2020-05-12

申请号：US16412049

申请日：2019-05-14

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/236 ,  H04N21/6437 ,  H04N21/845 ,  H04L29/06

Abstract: A broadcast transmitter for processing a broadcast signal is discussed. The broadcast transmitter includes a packetizer to generate transport packets based on a Layered Coding Transport (LCT) format, wherein the transport packets are used to transport at least one delivery object and signaling data; and a transmitter to transmit the broadcast signal comprising the transport packets, wherein the signaling data includes a real-time attribute which is a boolean flag that is set to true when the transport packets carry a real-time content that is comprised of the at least one delivery object, and wherein a header of at least one transport packet of the transport packets includes codepoint information for indicating a type of a payload that is carried by the at least one transport packet, transport object identifier information for identifying the at least one delivery object, and information for identifying a starting position of a fragment of the delivery object carried in the at least one transport packet.

公开(公告)号：US10609696B2

公开(公告)日：2020-03-31

申请号：US15577587

申请日：2015-10-02

Applicant: LG ELECTRONICS INC. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Eunjong Lee ,  Hyunsuk Lee ,  Duckhyun Bae ,  Jangwon Lee ,  Ilmu Byun

IPC: H04W88/08 ,  H04W72/04 ,  H04W12/04 ,  H04W12/06 ,  H04W72/08 ,  H04W12/10 ,  H04W76/10 ,  H04W36/00 ,  H04W74/08 ,  H04W88/02

Abstract: The present specification provides a method for transmitting and receiving uplink (UL) data and/or downlink (DL) data in a wireless communication system supporting a low latency service. The method for transmitting and receiving the downlink data is performed through slim downlink control information (DCI), and the method for transmitting and receiving uplink data is performed through a service management entity (SME).

公开(公告)号：US10601532B2

公开(公告)日：2020-03-24

申请号：US15118748

申请日：2016-01-18

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04L29/08 ,  H04H20/95 ,  H04L1/00

Abstract: The present invention provides a method for transmitting a broadcast signal, and a system capable of supporting future broadcast services in an environment supporting future hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, the present invention provides efficient signaling methods using both terrestrial broadcast networks and the Internet in an environment supporting future hybrid broadcast.

公开(公告)号：US10582029B2

公开(公告)日：2020-03-03

申请号：US16504113

申请日：2019-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Minsung Kwak ,  Kyoungsoo Moon ,  Jangwon Lee

IPC: H04L29/06 ,  H04N21/435 ,  H04N21/434 ,  H04N21/2381 ,  H04N21/2362 ,  H04L29/08 ,  H04N21/235 ,  H04W4/06 ,  H04L29/12

Abstract: A digital broadcast receiver for processing a broadcast signal, includes a tuner configured to receive the broadcast signal including Physical Layer Pipes (PLPs), wherein the PLPs carry link layer packets; and a controller coupled to the tuner, wherein the controller is configured to decode a specific PLP, acquire signaling information for header compression, wherein the signaling information for header compression includes a PLP identifier for the signaling information for header compression, profile information for representing a range of multiple protocols used to compress at least one stream, and a maximum value of a context identifier, decode another PLP to receive the at least one compressed stream based on the signaling information for header compression, and decompress the at least one compressed stream.