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：US10362371B2

公开(公告)日：2019-07-23

申请号：US15576575

申请日：2016-05-25

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/173 ,  H04N21/858 ,  H04H20/59 ,  H04N21/258 ,  H04N21/233 ,  H04N21/234 ,  H04N21/2387 ,  H04N21/239 ,  H04N21/439 ,  H04N21/44 ,  H04N21/472 ,  H04H20/42 ,  H04H20/93 ,  H04H60/40 ,  H04H60/72 ,  H04H60/73

Abstract: The present invention proposes a method for transmitting a broadcasting signal. The method for transmitting a broadcasting signal according to the present invention proposes a system capable of supporting a next generation broadcasting service in an environment which supports next generation hybrid broadcasting that uses a terrestrial broadcasting network and an Internet network. Also, the present invention proposes an effective signaling scheme that can cover both the terrestrial broadcasting network and the Internet network in the environment that supports the next hybrid broadcasting.

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：US10334294B2

公开(公告)日：2019-06-25

申请号：US15890929

申请日：2018-02-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L12/18 ,  H04N21/236 ,  H04N21/643 ,  H04N21/2383 ,  H04N21/2385

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, generating input packets including broadcast content data; generating a link layer packet by using the generated input packets, wherein the link layer packet includes a link layer header and a link layer payload including the generated input packets, wherein the link layer header includes a count field indicating number of the input packets included in the link layer payload, wherein the link layer header further includes a length part, wherein the length part includes a plurality of length fields as many as that the count field indicates, wherein each of the length fields indicates length of the each input packets included in the link layer payload; generating a broadcast signal including the generated link layer packet; and transmitting the broadcast signal.

公开(公告)号：US10306277B2

公开(公告)日：2019-05-28

申请号：US15115864

申请日：2015-04-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/173 ,  H04N21/2362 ,  H04N21/41 ,  H04N21/45 ,  H04N21/462 ,  H04N21/234 ,  H04N21/235 ,  H04N21/472 ,  H04N21/2389 ,  H04N21/434 ,  H04N21/233 ,  H04N21/262 ,  H04N21/439 ,  H04N21/44 ,  H04N21/488 ,  H04N21/81 ,  H04N21/258 ,  H04N21/482

Abstract: The present invention provides a method for transmitting a broadcast signal. A method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of: generating service guide information, which includes information for accessing a broadcast service, and content data, wherein the service guide information includes a service fragment which displays information related to the content data, and wherein the content fragment includes a component element which displays information related to a component included in the content data; encoding the service guide information and the content data which have been generated; and transmitting the service guide information and the content data which have been encoded.

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：US10284886B2

公开(公告)日：2019-05-07

申请号：US15872578

申请日：2018-01-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04N5/445 ,  H04N21/2362 ,  H04N21/41 ,  H04N21/45 ,  H04N21/462 ,  H04N21/234 ,  H04N21/235 ,  H04N21/472 ,  H04N21/2389 ,  H04N21/434 ,  H04N21/233 ,  H04N21/262 ,  H04N21/439 ,  H04N21/44 ,  H04N21/488 ,  H04N21/81 ,  H04N21/258 ,  H04N21/482

Abstract: An apparatus for receiving a broadcast signal, includes a receiver configured to receive the broadcast signal including physical layer signaling data, signaling data, content data and service guide information, wherein the signaling data is included in a signal frame indicated by the physical layer signaling data, wherein the signaling data includes mapping information between a service and a PLP, and information supporting channel scanning and service acquisition, wherein the service guide information includes a service fragment having information about the broadcast service and a content fragment having information about content data of the broadcast service, wherein the content fragment further includes a content-level PrivateExt element having component information of the content data, wherein the component information includes information for a component in the broadcast service, and wherein the component is one of a video component, an audio component, and a closed caption component (CC).

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.