公开(公告)号：US10764197B2

公开(公告)日：2020-09-01

申请号：US16266938

申请日：2019-02-04

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Timothy Laud ,  Sungryong Hong

IPC: H04L12/28 ,  H04L12/823 ,  H04L12/741 ,  H04L27/26 ,  H04L25/02 ,  H04L1/00 ,  H04N21/238 ,  H04N21/2383 ,  H04N21/438 ,  H04L1/18 ,  H04L5/00 ,  H04L12/18 ,  H04L29/06 ,  H04B7/0413

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, processing input streams into BB (Base Band) frames of PLPs (Physical Layer Pipes), wherein the input streams include a plurality of input packets, wherein each of the input packets include a packet header including information about synchronization of the input streams, wherein the processing input streams into BB frames further includes compressing the packet headers of the input packets in the input streams, generating the BB frames by using the compressed input packets; encoding data of the PLPs; building at least one signal frame by mapping the encoded data of the PLPs; and modulating data in the built signal frame by OFDM (Orthogonal Frequency Division Multiplexing) method and transmitting the broadcast signals having the modulated data.

公开(公告)号：US10750232B2

公开(公告)日：2020-08-18

申请号：US16237377

申请日：2018-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Ko ,  Sangchul Moon ,  Hotaek Hong

IPC: H04N21/434 ,  H04N21/4402 ,  H04N21/262 ,  H04N21/426 ,  H04N21/431 ,  H04N21/438 ,  H04N21/236 ,  H03M13/25 ,  H04H60/11 ,  H04L5/00 ,  H04L27/26 ,  H03M13/27 ,  H04B7/0413 ,  H04L1/00 ,  H04N19/66 ,  H04N21/2362 ,  H04N21/643 ,  H04N21/84 ,  H03M13/09

Abstract: Disclosed is a broadcasting signal transmission device, a broadcasting signal reception device, and a method for transmitting/receiving a broadcasting signal using same. The method for receiving the broadcasting signal comprises the following steps: receiving the broadcasting signal, which includes a transmission frame, wherein the transmission frame includes a plurality of PLPs, which transmit components that constitute a broadcasting service, first signaling information and second signaling information, which include the signaling information of the plurality of PLPs, a first preamble signal, which has been signaled with a preamble format, and a second preamble signal, which has been signaled with pilot pattern information, wherein one of the plurality of PLPs is a base PLP, which includes a program number that corresponds to the broadcasting service and program map table information, which has been signaled with identifying information for each of the PLPs; demodulating the broadcasting signal based on the first and the second preamble signals; FEC decoding the demodulated broadcasting signal; and identifying a PLP group that includes the plurality of PLP from the FEC decoded broadcasting signal based on the first and the second signaling information, decoding at least one PLP of the identified PLP group, and providing the broadcasting service.

公开(公告)号：US10750217B2

公开(公告)日：2020-08-18

申请号：US16085531

申请日：2017-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Woosuk Kwon ,  Seungryul Yang ,  Woosuk Ko

IPC: H04N7/173 ,  H04N21/2381 ,  H04N21/236 ,  H04N21/2343 ,  H04N21/434 ,  H04L29/06

Abstract: Disclosed is a broadcast signal transmitting method. The broadcast signal transmitting method according to an embodiment of the present invention may comprise: generating low level signaling, LLS, information; encapsulating the LLS information into an IP packet; and generating a signal frame by physical layer processing the LLS information. The LLS information may comprise comprises LLS ID information identifying a type of the LLS information and the type of the LLS information may comprise at least one of EA information providing information related to emergency alert and screen clear information providing information related to screen clear.

公开(公告)号：US20200245125A1

公开(公告)日：2020-07-30

申请号：US16846125

申请日：2020-04-10

Applicant: LG ELECTRONICS INC.

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

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

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：US10728369B2

公开(公告)日：2020-07-28

申请号：US16743542

申请日：2020-01-15

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04N21/434 ,  H04L29/08 ,  H04N21/2383 ,  H04H20/33 ,  H04N21/6336 ,  H04N21/2362

Abstract: A method for transmitting a broadcast signal includes generating a packet carrying a broadcast service and service signaling information, and a packet carrying fast information for supporting rapid service scans and service acquisition, the fast information including identification information for identifying the broadcast service, service category information representing a category of the broadcast service and hidden information representing whether or not the broadcast service is related to a test service; generating a robust header compression (RoHC) packet by compressing a header of each packet, and signaling information including context information generated from the compressing the header of each packet; and transmitting a RoHC packet stream comprising the RoHC packet through a first Physical Layer Pipe (PLP), and the signaling information through a second PLP which is separate from the first PLP.

公开(公告)号：US10721505B2

公开(公告)日：2020-07-21

申请号：US15540551

申请日：2016-01-19

Applicant: LG Electronics Inc.

Inventor： Sejin Oh ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/2362 ,  H04N21/236 ,  H04N7/08 ,  H04N21/8352 ,  H04N21/858 ,  H04L12/18 ,  H04L29/12 ,  H04L29/06 ,  H04L29/08

Abstract: The present invention proposes a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention proposes a system which may support a next generation broadcast service, in an environment supporting next generation hybrid broadcast that uses a terrestrial broadcast network and an internet network. Further, the present invention proposes an efficient signaling method which can cover both the terrestrial broadcast network and the internet network, in an environment supporting next generation hybrid broadcast.

公开(公告)号：US10721112B2

公开(公告)日：2020-07-21

申请号：US16678754

申请日：2019-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong Choi ,  Woosuk Ko ,  Sangchul Moon ,  Sungryong Hong

IPC: H04L27/26 ,  H04W4/06 ,  H04B7/0413 ,  H04L27/36 ,  H04L27/22 ,  H04L27/34 ,  H04L27/38 ,  H04B7/10 ,  H04L27/00 ,  H04L27/18

Abstract: A method and device for processing broadcast signals are discussed. The method includes receiving the broadcast signals carrying service data, demodulating the broadcast signals by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, MIMO processing data in the broadcast signals based on a rotation value, where the rotation value has zero (0) degree for a modulation order corresponding to equal to or greater than 64 Quadrature Amplitude Modulation (QAM) and a code rate corresponding to at least one of 2/15, 3/15, 4/15, 5/15, 6/15, 7/15, 8/15, 9/15, 10/15, 11/15, 12/15 or 13/15, and the rotation value has zero (0) degree for a modulation order corresponding to Quadrature Phase Shift Keying (QPSK) and a code rate corresponding to at least one of 2/15, 3/15, 4/15 or 5/15, and decoding the data.

公开(公告)号：US10715859B2

公开(公告)日：2020-07-14

申请号：US15121712

申请日：2015-10-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04N5/445 ,  H04N21/434 ,  H04H60/72 ,  H04N7/08 ,  H04N7/12 ,  H04N21/61 ,  H04N21/235 ,  H04N21/462 ,  H04N7/085 ,  H04N21/2362 ,  H04N21/2665 ,  H04N21/435 ,  H04N21/482 ,  H04N21/643

Abstract: A broadcast reception method includes: receiving a broadcast signal including service data and signaling information for a service, wherein the signaling information includes first signaling information for acquisition of the service, wherein the signaling information includes second signaling information including bootstrap information for the service; acquiring the service data on the basis of the signaling information; and decoding the service data, wherein the signaling information includes electronic service guide (ESG) bootstrap information for ESG data.

公开(公告)号：US10693593B2

公开(公告)日：2020-06-23

申请号：US16454876

申请日：2019-06-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04B1/04 ,  H04L27/26 ,  H04B7/0413 ,  H03M13/00 ,  H03M13/25 ,  H03M13/27 ,  H04L5/00 ,  H04L12/18 ,  H03M13/15 ,  H03M13/11 ,  H03M13/29

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 a number of physical paths, a time interleaver to time interleave the encoded service data in each physical path, a frame builder to build at least one signal frame including the time interleaved service 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 transmitting the broadcast signals having the modulated data.

公开(公告)号：US10681426B2

公开(公告)日：2020-06-09

申请号：US16168469

申请日：2018-10-23

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/643 ,  H04N21/858 ,  H04N21/434 ,  H04N21/235 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/462

Abstract: A method for transmitting a broadcast signal, the method includes generating components for one or more broadcast services, generating service signaling data for describing characteristics of the one or more broadcast services, generating signaling data for listing the one or more broadcast services, generating a broadcast signal including the components, the service signaling data and the signaling data; and transmitting the broadcast signal, further the signaling data includes Uniform Resource Locator (URL) information for a URL to acquire internet data and URL type information for a type of the internet data available with the URL information.