公开(公告)号：US10594417B2

公开(公告)日：2020-03-17

申请号：US16070226

申请日：2017-01-13

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Seungryul Yang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04H20/71 ,  H04H20/42 ,  H04H20/59 ,  H04L29/06 ,  H04L29/12

Abstract: A method for transmitting and receiving a broadcast signal is disclosed. The method for transmitting a broadcast signal, according to an embodiment of the present invention, comprises the steps of: performing delivery layer processing on broadcast service data and signaling information about the broadcast service data; performing UDP/IP encapsulating on the broadcast service data and the signaling information about the broadcast service data; and performing physical layer processing on the broadcast service data and the signaling information about the broadcast service data.

公开(公告)号：US10587367B2

公开(公告)日：2020-03-10

申请号：US15971238

申请日：2018-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong Shin ,  Woosuk Ko ,  Jaehyung Kim ,  Jongseob Baek ,  Sungryong Hong

IPC: H04L1/00 ,  H04L27/26 ,  H04B1/10 ,  H04L12/18 ,  H04J11/00 ,  H04L1/04 ,  H04L5/00

Abstract: A broadcast signal transmitter includes a first Forward Error Correction (FEC) encoder configured to encode core layer data, a second FEC encoder configured to encode enhanced layer data, an injection level controller configured to control power ratio between the encoded core layer data and the encoded enhanced layer data, a combiner configured to combine the core layer data and the enhanced layer data and to output Layered Division Multiplexing (LDM) data, a power normalizer configured to normalize power of the outputted LDM data, a time interleaver configured to time-interleave the LDM data, a framer configured to generate a signal frame comprising a preamble and the time-interleaved LDM data, the preamble carrying signaling information, and a modulator configured to perform Orthogonal Frequency Division Multiplexing (OFDM) modulation on the generated signal frame.

公开(公告)号：US10582274B2

公开(公告)日：2020-03-03

申请号：US15119315

申请日：2016-03-08

Applicant: LG ELECTRONICS INC.

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

IPC: G06F15/16 ,  H04N21/6437 ,  H04L29/08 ,  H04N21/2362 ,  H04N21/242 ,  H04N21/462 ,  H04N21/235 ,  H04N21/236 ,  H04H60/07 ,  H04N21/43 ,  H04N21/27

Abstract: A method of processing transmission of a broadcast signal includes generating broadcast data for one or more broadcast services, generating first level signaling information including information for describing attribute for the one or more broadcast services, generating second level signaling information including information for listing the one or more broadcast services, generating link layer packets including the encoded broadcast data, the first level signaling information, and the second level signaling information, and generating a broadcast signal including the generated link layer packets.

公开(公告)号：US10567815B2

公开(公告)日：2020-02-18

申请号：US16359272

申请日：2019-03-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2362 ,  H04N21/41 ,  H04N21/45 ,  H04N21/258 ,  H04N21/482 ,  H04N21/462 ,  H04N21/234 ,  H04N21/235 ,  H04N21/472 ,  H04N21/2389 ,  H04N21/434 ,  H04N21/233 ,  H04N21/262 ,  H04N21/439 ,  H04N21/44 ,  H04N21/488 ,  H04N21/81

Abstract: An apparatus for receiving service guide fragments is discussed. The apparatus includes a receiver to receive service guide fragments, the service guide fragments including a content fragment describing content data in broadcast services, the content fragment including a content element, the content element including an identification attribute of the content fragment, and a version attribute of the content fragment, the content fragment further including a PrivateExt element which is used for content level extensions, the PrivateExt element including a component element describing components in the content data, the component element including an audio component element, a video component element, and a closed caption component element, the audio component element describing a role of an audio component in the content data, the video component element describing a role of a video component in the content data, and the closed caption component element describing a role of a closed caption component in the content data; and a decoder to decode the service guide fragments, and a displayer to display service guide information on a screen. Further, the service guide information is represented based on timeline information, channel information for the broadcast services, and program information for the content data, and the channel information is displayed with capability information.

公开(公告)号：US20200007904A1

公开(公告)日：2020-01-02

申请号：US16275970

申请日：2019-02-14

Applicant: LG Electronics Inc.

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

IPC: H04N21/2362 ,  H04N21/236 ,  H04N21/438 ,  H04N21/4385 ,  H04N21/858 ,  H04N21/61

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：US10469189B2

公开(公告)日：2019-11-05

申请号：US16113827

申请日：2018-08-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/71 ,  H04L29/06 ,  H04L29/08 ,  H04N19/89 ,  H04N21/235 ,  H04N21/236 ,  H04N21/61 ,  H04N21/84 ,  H04N21/2362

Abstract: A device with one or more processors for processing broadcast signals, the device including a depacketizing processor for extracting one or more delivery objects from one or more Layered Coding Transport (LCT) packets of the broadcast signals based on signaling information including mapping information, wherein the one or more LCT packet are used to transport the one or more delivery objects including service data for one or more broadcast services of the broadcast signals, wherein the one or more delivery object are carried in one or more transport sessions, wherein each LCT packet includes a header having a Transport Object Identifier (TOI) identifying a delivery object being carried in the each LCT packet, wherein the mapping information is used to establish a one-to-one mapping between the TOI and a uniform resource locator (URL) for the delivery object, wherein the one or more LCT packets and the signaling information are transmitted separately, wherein the header of each LCT packet further includes type information indicating whether a type of the delivery object being carried in the each LCT packet is a media segment type or an initialization segment type and a decoding processor for decoding the service data for the broadcast service.

公开(公告)号：US10454602B2

公开(公告)日：2019-10-22

申请号：US15307734

申请日：2016-01-05

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/90 ,  H04N21/81 ,  H04N21/61 ,  H04N7/08 ,  H04N21/478 ,  H04H20/59 ,  H04W4/06

Abstract: The present invention proposes a method of transmitting a broadcast signal. The method of transmitting a broadcast signal according to the present invention proposes a system capable of supporting a next-generation service in an environment that supports next-generation hybrid broadcasting which uses a terrestrial broadcast network and an Internet protocol network. In addition, the method proposes an efficient signaling scheme that can embrace both the terrestrial broadcast network and the Internet protocol network in an environment that supports next-generation hybrid broadcasting.

公开(公告)号：US10433142B2

公开(公告)日：2019-10-01

申请号：US14588539

申请日：2015-01-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/86 ,  H04W4/90 ,  H04H20/08 ,  H04H20/59 ,  H04W4/06 ,  H04L29/08 ,  H04W4/80 ,  H04W88/04

Abstract: Provided is a broadcast receiving device receiving a broadcast service interoperating with a companion device. The broadcast receiving device includes: an IP communication unit configured to establish a pairing session with the companion device; a broadcast communication unit configured to receive an emergency alert message including an emergency alert alerting a disaster situation on the basis of the broadcast service; and a control unit configured to transmit information on the emergency alert message to the companion device.

公开(公告)号：US10411738B2

公开(公告)日：2019-09-10

申请号：US15182220

申请日：2016-06-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04L27/26 ,  H04B7/06 ,  H03M13/27 ,  H04B7/0456 ,  H04L29/06 ,  H03M13/11 ,  H04L1/08 ,  H04B7/0413

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; processing, by a framing and interleaving block, the encoded data in the plural PLPs to output at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data.

公开(公告)号：US10362345B2

公开(公告)日：2019-07-23

申请号：US16003811

申请日：2018-06-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/236 ,  H04N21/2362 ,  H04N21/61 ,  H04N21/643

Abstract: A method for receiving a broadcast signal, performed by an apparatus for receiving the broadcast signal includes receiving the broadcast signal, wherein the broadcast signal includes one or more link layer packets, wherein the one or more link layer packets includes broadcast data for a broadcast service, service level signaling information describing characteristics of the broadcast service, and low level signaling information including information which is used to build a basic service listing, wherein the low level signaling information further includes service level signaling protocol information for indicating a type of delivery protocol of the service level signaling information, wherein the type of the delivery protocol corresponds to a Moving Picture Experts Group (MPEG) media transport (MMT) protocol or a real-time object delivery over unidirectional transport (ROUTE) protocol, and wherein the low level signaling information further includes destination Internet Protocol (IP) address for the service level signaling information, destination User Datagram Protocol (UDP) port number for the service level signaling information, and source IP address for the service level signaling information, parsing the low level signaling information, and parsing the service level signaling information.