公开(公告)号：US10448105B2

公开(公告)日：2019-10-15

申请号：US15709081

申请日：2017-09-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/025 ,  H04N21/462 ,  H04L1/00 ,  H04N7/24 ,  H04N21/2383 ,  H04N21/854 ,  H03M13/11 ,  H03M13/27 ,  H04N5/40 ,  H04N21/242 ,  H04N21/262 ,  H04N21/43 ,  H04N21/2362 ,  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 hit 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：US10412443B2

公开(公告)日：2019-09-10

申请号：US15838914

申请日：2017-12-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/43 ,  H04N21/858 ,  H04N21/434 ,  H04N21/81 ,  H04N21/41 ,  H04N21/643 ,  H04H20/93 ,  H04H20/18 ,  H04H20/42 ,  H04H60/72 ,  H04H60/82

Abstract: A method of providing a broadcast service, the method includes generating service data for a broadcast service and Service Layer Signaling (SLS) for signaling the broadcast service; generating a signaling table having information used for indicating a transport session carrying the SLS for the broadcast service; and transmitting the service data, the SLS and the signaling table via a broadcast network, wherein the SLS includes a Service-based Transport Session Instance Description (S-TSID) and a Media Presentation Description (MPD), wherein the S-TSID includes information for indicating transport sessions carrying service components and content items for the broadcast service, the MPD includes a period element having an event stream element, the event stream element includes a plurality of event elements, and each of the event elements includes an event ID for an event and timing information for indicating start time of the event.

公开(公告)号：US10389855B2

公开(公告)日：2019-08-20

申请号：US15980887

申请日：2018-05-16

Applicant: LG ELECTRONICS INC.

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

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

Abstract: A broadcast receiver for receiving a broadcast signal includes a receiver for receiving the broadcast signal including Physical Layer Pipe(PLP)s, wherein the PLPs carry link layer packets and wherein the link layer packets include one or more Internet protocol (IP) packets, a packet decoder for decoding the link layer packets from the PLPs, wherein the link layer packets include a compression information table related to a header-compressed stream of a first group of IP packets among the IP packets, and wherein the compression information table includes a PLP identifier identifying a PLP among the PLPs, a maximum value of an context identifier of the header-compressed stream, and a context profile being a range of protocols used for the header-compressed stream, a signaling decoder for decoding the compression information table in the decoded link layer packets, and a decompressor for decompressing the header-compressed stream to output the first group of IP packets.

公开(公告)号：US10356449B2

公开(公告)日：2019-07-16

申请号：US15115855

申请日：2015-11-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/434 ,  H04N21/235 ,  H04N21/2383 ,  H04N21/61 ,  H04H60/07 ,  H04H60/73 ,  H04N21/2343

Abstract: A broadcasting generating process method according to an embodiment of the present invention comprises the steps of: encoding broadcasting data for one or more broadcasting services; encoding first level signaling information including information describing attributes for the one or more broadcasting services; encoding second level signaling information including information for scanning the one or more broadcasting services; and generating a broadcasting signal including the broadcasting data, the first level signaling information and the second level signaling information, wherein the second level signaling information is transmitted through a predetermined position in the broadcasting signal, and the second level signaling information comprises IP address information for identifying IP addresses of packets transmitting the first signaling information and physical layer pipe (PLP) ID information for identifying PLP including the first signaling information.

公开(公告)号：US10305941B2

公开(公告)日：2019-05-28

申请号：US15125897

申请日：2015-10-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04L29/08

Abstract: A broadcast reception method includes: receiving a broadcast signal including service data and signaling information for at least one service, wherein the signaling information includes first signaling information for acquisition of the service, wherein the signaling information includes second signaling information containing bootstrap information of the first signaling information; filtering the service on the basis of the second signaling information; and storing information for the filtered service in a channel map on the basis of the signaling information.

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：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：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：US10080055B2

公开(公告)日：2018-09-18

申请号：US15104106

申请日：2014-12-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/462 ,  H04N21/2383 ,  H04N21/43 ,  H04N21/434 ,  H04N21/439 ,  H04N21/44 ,  H04N21/61 ,  H04N21/8547 ,  H04L29/06

CPC classification number: H04N21/4622 ,  H04L65/4076 ,  H04L65/60 ,  H04N21/2383 ,  H04N21/4305 ,  H04N21/4307 ,  H04N21/4342 ,  H04N21/439 ,  H04N21/44 ,  H04N21/6125 ,  H04N21/8547

Abstract: The present invention provides an apparatus for receiving a broadcast content via one or more networks. The apparatus comprises a broadcast network interface for receiving a broadcast stream including a first portion of the broadcast content via a broadcast network, a heterogeneity network interface for receiving a heterogeneity stream including a second portion of the broadcast content via a heterogeneity network, and wherein the broadcast stream further includes timeline component access units containing metadata for synchronizing streams transmitted via the one or more networks, and wherein the timeline component access units include timestamp information representing first timestamps for the heterogeneity stream, a processor for configuring the broadcast content using the broadcast stream and the heterogeneity stream based on the timestamp information.

公开(公告)号：US10075747B2

公开(公告)日：2018-09-11

申请号：US15899946

申请日：2018-02-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/28 ,  H04N21/2362 ,  H04N21/8543 ,  H04N21/845 ,  H04N21/2343 ,  H04N21/643 ,  H04N21/64 ,  H04N21/2385 ,  H04N21/43 ,  H04H60/73

CPC classification number: H04N21/2362 ,  H04H60/73 ,  H04N21/23439 ,  H04N21/2385 ,  H04N21/43 ,  H04N21/64 ,  H04N21/64322 ,  H04N21/8456 ,  H04N21/8543

Abstract: A method of processing a broadcast signal is discussed. The method includes generating service components of a broadcast service; generating first signaling data and second signaling data, the first signaling data for locating the second signaling data, the second signaling data signaling the broadcast service; processing the service components and the second signaling data into transport packets, wherein the first signaling data includes destination Internet Protocol (IP) address information, a destination port number, and source IP address information through which the second signaling data is delivered; and transmitting the broadcast signal including the first signaling data and the transport packets.