公开(公告)号：US20200007250A1

公开(公告)日：2020-01-02

申请号：US16569860

申请日：2019-09-13

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Kyoungsoo MOON ,  Woosuk KWON ,  Woosuk KO ,  Sungryong HONG

IPC: H04H20/59 ,  H04W4/06

Abstract: A method of processing a broadcast signal includes physical layer processing a plurality of packets into a plurality of data pipes to form a signal frame of the broadcast signal. Further, a packet includes an emergency alert message for an emergency alert service so that a data pipe carries the emergency alert massage, the emergency alert message including a message identifier (ID) for identifying the emergency alert message and a service ID identifying a service related to the emergency alert message. The physical layer processing further includes encoding data in each data pipe; bit interleaving the encoded data in each data pipe; and time interleaving the bit interleaved data in each data pipe according to a first mode or a second mode, the first mode represents that the time interleaving is performed based on convolutional interleaving operation, the second mode represents that the time interleaving is performed based on a combination of block interleaving operation and convolutional interleaving operation; and transmitting the broadcast signal. In addition, the broadcast signal further includes physical layer signaling information, the physical layer signaling information including a signaling information representing that the data pipe carries the emergency alert message and time interleaving signaling information related to the first mode and the second mode.

公开(公告)号：US20190306590A1

公开(公告)日：2019-10-03

申请号：US16445692

申请日：2019-06-19

Applicant: LG ELECTRONICS INC.

Inventor： Seungryul YANG ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/858 ,  H04N21/472 ,  H04H20/59 ,  H04N21/234 ,  H04N21/2387 ,  H04N21/239 ,  H04N21/439 ,  H04N21/44 ,  H04N21/643 ,  H04N21/41 ,  H04N21/2383 ,  H04H60/73 ,  H04H60/72 ,  H04H60/40 ,  H04H20/93 ,  H04H20/42 ,  H04N21/258 ,  H04N21/233

Abstract: A method for providing a broadcast service in a Primary Device (PD) is discussed. The method includes performing a discovery process with a Companion Device (CD) application resided in a CD. Further, performing the discovery process includes receiving an application information request from the CD application, and sending an application information response, and the application information response includes location information used for an endpoint of a websocket server resided in the PD. In addition, establishing a websocket connection between the CD application and the websocket server based on the location information; and communicating at least one message with the CD application via the websocket connection.

公开(公告)号：US20190268447A1

公开(公告)日：2019-08-29

申请号：US16407953

申请日：2019-05-09

Applicant: LG ELECTRONICS INC.

Inventor： Seungryul YANG ,  Woosuk KO

IPC: H04L29/06 ,  G06F17/27 ,  H04W4/40 ,  H04B7/26

Abstract: Disclosed is a method for receiving a multimedia content message by a vehicle to everything (V2X) communication apparatus. A method for receiving a multimedia content message by a vehicle to everything (V2X) communication apparatus according to an embodiment of the present invention includes: receiving a multimedia content message; parsing the multimedia content message; and acquiring a multimedia content included in the multimedia content message or a content segment which is a part of the multimedia content.

公开(公告)号：US20190260810A1

公开(公告)日：2019-08-22

申请号：US16402876

申请日：2019-05-03

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon LEE ,  Minsung KWAK ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

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

Abstract: A method of processing a broadcast signal in a broadcast receiver, includes receiving the broadcast signal including service data of a service, first signaling information for fast channel scans and service acquisition, and second signaling information providing information for discovery and acquisition of the service data, wherein the first signaling information includes bootstrap information for the second signaling information, identification information for identifying the service, channel number information for the service and capability information specifying a capability required to decode the service data, wherein the second signaling information is carried in a Layered Coding Transport (LCT) channel that is identified by a Transport Session Identifier (TSI), and wherein a value of the TSI is zero; generating a channel map based on the first signaling information; acquiring the service data based on the second signaling information; and providing the service by decoding the service data.

公开(公告)号：US20190222870A1

公开(公告)日：2019-07-18

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

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：US20190222529A1

公开(公告)日：2019-07-18

申请号：US16266938

申请日：2019-02-04

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Woosuk KO ,  Timothy LAUD ,  Sungryong HONG

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

CPC classification number: H04L47/32 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/1887 ,  H04L5/0044 ,  H04L12/18 ,  H04L25/02 ,  H04L27/2627 ,  H04L27/2655 ,  H04L27/2692 ,  H04L45/74 ,  H04L65/602 ,  H04L2001/0093 ,  H04N21/238 ,  H04N21/2383 ,  H04N21/4382

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：US20190141390A1

公开(公告)日：2019-05-09

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

CPC classification number: H04N21/4343 ,  H03M13/09 ,  H03M13/251 ,  H03M13/2796 ,  H04B7/0413 ,  H04H60/11 ,  H04L1/0041 ,  H04L1/0047 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2647 ,  H04N19/66 ,  H04N21/2362 ,  H04N21/262 ,  H04N21/42676 ,  H04N21/431 ,  H04N21/4345 ,  H04N21/4382 ,  H04N21/440227 ,  H04N21/64322 ,  H04N21/84

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：US20190132095A1

公开(公告)日：2019-05-02

申请号：US16233996

申请日：2018-12-27

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L5/00 ,  H04L27/26 ,  H04B7/0413 ,  H04L1/00 ,  H04W4/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped service data.

公开(公告)号：US20190097755A1

公开(公告)日：2019-03-28

申请号：US16203141

申请日：2018-11-28

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Kyoungsoo MOON ,  Jangwon LEE ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04N21/2383 ,  H04L29/06 ,  H04N21/235 ,  H04N21/236

Abstract: A method for transmitting a broadcast signal by a broadcast transmitter, the method includes generating service layer signaling information describing characteristics of a broadcast service; generating service list signaling information for listing one or more broadcast services, the service list signaling information including information for obtaining the service layer signaling information, the service list signaling information further including first capability information identifying capabilities needed to decode and present broadcast contents for the one or more broadcast services listed in the service list signaling information, the service list signaling information further including service identifying information identifying the broadcast service, and the service list signaling information further including second capability information identifying capabilities needed to decode and present broadcast contents for the broadcast service identified by the service identifying information; and transmitting the broadcast signal including the service layer signaling information and the service list signaling information.

公开(公告)号：US20190058922A1

公开(公告)日：2019-02-21

申请号：US16168469

申请日：2018-10-23

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Woosuk KO ,  Sungryong HONG

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

CPC classification number: H04N21/64322 ,  H04N21/235 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/4345 ,  H04N21/4622 ,  H04N21/8586

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.