公开(公告)号：US10652700B2

公开(公告)日：2020-05-12

申请号：US15926389

申请日：2018-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Chulkyu Mun ,  Sungryong Hong

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

Abstract: A broadcast signal receiver includes a tuner configured to tune a broadcast signal, a pilot detector configured to detect pilots comprised in the tuned broadcast signal, a de-framer configured to de-frame a signal frame of the broadcast signal and to extract Physical Layer Pipe (PLP) data, and a decoder configured to decode the extracted PLP data.

公开(公告)号：US10609102B2

公开(公告)日：2020-03-31

申请号：US15657815

申请日：2017-07-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04L12/18 ,  H04N21/00

Abstract: A method for processing a broadcast signal, the method includes receiving a broadcast signal via a broadcast stream, the broadcast signal including service components of a broadcast service, service signaling information for signaling the broadcast service and a service list table; parsing the broadcast signal and obtaining the service list table, the service list table including bootstrap information for indicating a Real time Object delivery over Unidirectional Transport (ROUTE) session which delivers the service signaling information; obtaining the service signaling information by using the bootstrap information, the service signaling information includes first and second metadata, wherein the first metadata is used to determine a transport mode of each of the service components, and wherein the second metadata provides session description information for accessing the service components from the broadcast stream; and obtaining the service components for the broadcast service, and providing the broadcast service by using the service signaling information.

公开(公告)号：US10582023B2

公开(公告)日：2020-03-03

申请号：US14913962

申请日：2015-01-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2362 ,  H04L29/06 ,  H04L29/08 ,  H04N21/434

Abstract: Disclosed are a method and apparatus for transmitting/receiving a broadcast signal including a robust header compression (RoHC) packet stream and fast information. The method for transmitting a broadcast signal includes encoding broadcast data, generating a packet including the encoded broadcast data, generating a robust header compression (RoHC) packet by performing RoHC on a header of the generated packet, generating fast information including configuration information of a broadcast stream and broadcast service related information and transmitting the fast information through a second channel, and transmitting the broadcast stream including the generated RoHC packet through a second channel.

公开(公告)号：US10554352B2

公开(公告)日：2020-02-04

申请号：US16513185

申请日：2019-07-16

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Sungryong Hong

IPC: H04L5/00 ,  H04L29/12 ,  H04L12/18

Abstract: A method of receiving broadcast signals according to an embodiment of the present invention may comprise the steps of: receiving broadcast signals; demodulating the received broadcast signals by an orthogonal frequency division multiplex (OFDM) method; parsing at least one signal frame from the demodulated broadcast signals, wherein the at least one signal frame includes service data and signaling data corresponding to at least one physical path; decoding the service data included in the at least one signal frame; and encapsulating a baseband packet including the decoded service data and outputting a container packet.

公开(公告)号：US10542389B2

公开(公告)日：2020-01-21

申请号：US16458725

申请日：2019-07-01

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon Lee ,  Seungryul Yang ,  Sejin Oh ,  Woosuk Ko ,  Seungjoo An ,  Kyoungsoo Moon ,  Sungryong Hong

IPC: H04W4/06 ,  H04H20/59 ,  H04W4/90 ,  H04W4/12

Abstract: A broadcast receiving apparatus may comprise: a broadcast interface for receiving a broadcast signal comprising an emergency alert message and signaling information indicating metadata for the emergency alert message; a control unit for generating an emergency alert multicast message comprising attributes of the emergency alert message on the basis of the broadcast signal; and a companion screen interface for transferring the emergency alert multicast message to at least one companion screen device in a multicast mode.

公开(公告)号：US10530620B2

公开(公告)日：2020-01-07

申请号：US16118943

申请日：2018-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Chulkyu Mun ,  Sungryong Hong

IPC: H04L27/22 ,  H04L27/26 ,  H04L1/00 ,  H04L25/02

Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and OFDM demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one Physical Layer Pipe (PLP) of the broadcast signal into the bit domain and FEC decoding of the converted PLP data; and an output processing module outputting a data stream by receiving the at least one PLP data.

公开(公告)号：US10516771B2

公开(公告)日：2019-12-24

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

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：US10470240B2

公开(公告)日：2019-11-05

申请号：US15880802

申请日：2018-01-26

Applicant: LG ELECTRONICS INC.

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

IPC: H04W76/40 ,  H04L1/00 ,  H04H60/48 ,  H04W4/06 ,  H04W48/10 ,  H04H20/26 ,  H04H60/73 ,  H04W48/12 ,  H04W76/11

Abstract: A method of transmitting a broadcast signal, the method includes generating, by a broadcast transmitter, service data of a service and service signaling information for acquiring the service and components of the service; generating, by the broadcast transmitter, signaling data for rapid service scan, the signaling data including: a first service identifier identifying the service, and protection information indicating whether a component of the service is protected; generating, by the broadcast transmitter, physical layer pipes (PLPs) carrying the service data and the service signaling information, the generated PLPs carrying the signaling data; and transmitting, by the broadcast transmitter, a broadcast signal carrying a signal frame carrying the generated PLPs, wherein the signaling data further includes information for identifying where the service signaling information is transmitted.

公开(公告)号：US10419792B2

公开(公告)日：2019-09-17

申请号：US15468408

申请日：2017-03-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2362 ,  H04N21/234 ,  H04N21/2343 ,  H04N21/236 ,  H04H60/07 ,  H04H60/73 ,  H04N21/2383 ,  H04N21/6332 ,  H04L29/12 ,  H04L29/06 ,  H04N21/643 ,  H04N21/858

Abstract: A broadcasting signal transmission processing method according to an embodiment of the present invention comprises the steps of: generating one or more first layer data units including first level signaling data and broadcasting data for a broadcasting service; generating one or more second layer data units including the one or more first layer data units and second level signaling data; and generating a broadcasting signal including the one or more second layer data units.

公开(公告)号：US10389460B2

公开(公告)日：2019-08-20

申请号：US15524545

申请日：2015-12-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/71 ,  H04H20/72 ,  H04H20/81 ,  H04H20/42 ,  H04N21/434 ,  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.