公开(公告)号：US11553066B2

公开(公告)日：2023-01-10

申请号：US17012978

申请日：2020-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04L29/08 ,  H04L69/324 ,  H04L69/04 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/414 ,  H04N21/434 ,  H04N21/435 ,  H04N21/438 ,  H04N21/61 ,  H04N21/643 ,  H04L69/14

Abstract: A method for transmitting a broadcast signal, includes compressing headers of Internet Protocol (IP) packets in an IP packet stream to output a compressed IP packet stream, the compressed IP packet stream including Initialization Refresh (IR) packets, a first group of IR-dynamic packets, and compressed IP packets; extracting context information from the compressed IP packet stream, wherein when the context information is extracted only from the IR packets in the compressed IP packet stream, the IR packets are converted to a second group of IR-dynamic packets; building signaling information including the context information; and encapsulating the signaling information into one or more signaling link layer packets and the compressed IP packet stream into link layer packets that are distinct from the one or more signaling link layer packets.

公开(公告)号：US20220368852A1

公开(公告)日：2022-11-17

申请号：US17744376

申请日：2022-05-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/088 ,  H04N21/235 ,  H04N21/236 ,  H04L1/00 ,  H04L67/02 ,  H04N21/434 ,  H03M13/00 ,  H03M13/25 ,  H03M13/29 ,  H03M13/27 ,  H04L65/65 ,  H04L65/70 ,  H04L65/611 ,  H03M13/11 ,  H04L65/80 ,  H04N21/2362 ,  H04N21/2665 ,  H04N21/858 ,  H04W4/06

Abstract: A method for transmitting a broadcast signal according to an embodiment of the present invention comprises generating service layer signaling information for discovery and acquisition of a broadcast service and a content component of the broadcast service; generating service list information including for service list building and discovery of the service layer signaling information; and physical layer processing of the service list information, service layer signaling information, and content component.

公开(公告)号：US11277501B2

公开(公告)日：2022-03-15

申请号：US16757665

申请日：2018-11-09

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Joonhee Yoon

IPC: H04L29/06 ,  H04L69/22 ,  H04L12/66 ,  H04L47/36 ,  H04N21/2381 ,  H04N21/643

Abstract: A broadcast signal transmission method according to one embodiment of the present disclosure comprises an IP layer processing step of generating Internet protocol (IP) packets including broadcast data and generating fragmented IP packets by fragmenting at least one IP packet of the IP packets in order to transmit to a link layer, a first link layer processing step of restoring the at least one IP packet by combining the fragmented IP packets of the IP packets output at the IP layer processing step, a second link layer processing step of performing header compression of IP packet including the restored at least one IP packet, and a third link layer processing step of encapsulating the header compressed IP packets into at least one link layer packet and transmitting the at least one link layer packet to a physical layer.

公开(公告)号：US11218576B2

公开(公告)日：2022-01-04

申请号：US16853091

申请日：2020-04-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/08 ,  H04N21/2389 ,  H04N21/643 ,  H04N21/2362 ,  H04L12/911 ,  H04L29/06 ,  H04L12/18 ,  H04W4/06 ,  H04N21/61

Abstract: A method for processing a broadcast signal, includes generating one or more link layer packets carrying broadcast data, first signaling information, and second signaling information, the first signaling information including information for one or more broadcast services and one or more components belonging to each service, the second signaling information including information for listing the one or more broadcast services; generating one or more signaling link layer packets carrying third signaling information that includes physical layer pipe (PLP) identifying information for identifying a PLP that corresponds to information signaled in the third signaling information, wherein a header of each signaling link layer packet including header type information indicating that the signaling link layer packet carries the third signaling information; and encapsulating one or more signaling link layer packets and the one or more link layer packets.

公开(公告)号：US11190834B2

公开(公告)日：2021-11-30

申请号：US16998996

申请日：2020-08-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/434 ,  H04N21/236 ,  H04N21/2385 ,  H04L29/06 ,  H04L12/18 ,  H04N21/234 ,  H04N21/643 ,  H04N21/845 ,  H04N21/854 ,  H04N21/61 ,  H04H20/28 ,  H04H60/73 ,  G11B27/10

Abstract: An apparatus for receiving a broadcast signal, includes a receiver configured to receive the broadcast signal, a parser configured to parse signaling information for a service scan included in the broadcast signal, a link layer processor configured to process a link layer packet included in the broadcast signal, and an audio/video (A/V) processor configured to present broadcast contents based on the signaling information for the service scan and the link layer packet.

公开(公告)号：US11115622B2

公开(公告)日：2021-09-07

申请号：US15555385

申请日：2016-02-29

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/088 ,  H04N21/235 ,  H04N21/236 ,  H04L1/00 ,  H04L29/08 ,  H04N21/434 ,  H03M13/00 ,  H03M13/25 ,  H03M13/29 ,  H03M13/27 ,  H03M13/11 ,  H04L29/06 ,  H04N21/2362 ,  H04N21/2665 ,  H04N21/858 ,  H04W4/06 ,  H04L1/04 ,  H03M13/15

Abstract: A method for transmitting a broadcast signal according to an embodiment of the present invention comprises generating service layer signaling information for discovery and acquisition of a broadcast service and a content component of the broadcast service; generating service list information including for service list building and discovery of the service layer signaling information; and physical layer processing of the service list information, service layer signaling information, and content component.

公开(公告)号：US11095703B2

公开(公告)日：2021-08-17

申请号：US16413042

申请日：2019-05-15

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/242 ,  H04N21/2362 ,  H04N21/2383 ,  H04H20/18 ,  H04H60/82 ,  H04N21/845 ,  H04L29/08 ,  H04N21/6437 ,  H04N21/647 ,  H04N21/854 ,  H04N21/8547

Abstract: The present invention provides an apparatus for receiving a broadcast content via one or more networks. The apparatus comprises a broadcast network interface for receiving broadcast streams including first protocol packets including first portions of the broadcast content via a broadcast network, a heterogeneity network interface for receiving second protocol packets including a second portion of the broadcast content via a heterogeneity network, and a processor for configuring the broadcast content using the first protocol packets and the second protocol packets based on information included in the third protocol packets.

公开(公告)号：US11070857B2

公开(公告)日：2021-07-20

申请号：US16811594

申请日：2020-03-06

Applicant: LG ELECTRONICS INC.

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

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

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：US11032195B2

公开(公告)日：2021-06-08

申请号：US16666069

申请日：2019-10-28

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Minsung Kwak ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04L12/741 ,  H04L29/06 ,  H04L12/18 ,  H04L29/08 ,  H04L12/801

Abstract: A method of transmitting a broadcast signal, includes processing one or more input packets to generate link layer packet(s), each link layer packet including a header and a payload, the header including packet type information representing a type of an input packet in the payload and payload configuration information representing a configuration of the payload, wherein the type of the input packet is an Internet Protocol (IP) packet or a Movie Picture Exports Group (MPEG) Transport Stream (TS) packet, the payload configuration information is set to a first value for a link layer packet including a single input packet and no additional header or the single input packet with an additional header, or the payload configuration information is set to a second value for a link layer packet including more than one input packet or a part of one input packet, and processing the link layer packet(s) to generate the broadcast signal.

公开(公告)号：US10939149B2

公开(公告)日：2021-03-02

申请号：US15903348

申请日：2018-02-23

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Kwon ,  Jangwon Lee

IPC: H04N21/2387 ,  H04N21/21 ,  H04N21/235 ,  H04N21/20 ,  H04N21/233 ,  H04N21/232 ,  H04N21/234 ,  H04N21/218 ,  H04N21/236 ,  H04N21/23 ,  H04N21/238 ,  H04L29/08 ,  H04N21/2381 ,  H04N21/61

Abstract: A broadcast reception apparatus includes a packet receiver to receive transport packets for signaling data through a dedicated transport channel, and receive transport packets for a delivery object through other transport channels, wherein the delivery object is a part of a file for video content of a broadcast service, a signaling parser to extract the signaling data including session description information and an extended file delivery table providing information about delivery of the file, and a data processor to recover the delivery object based on the signaling data, and generate location information for the file by substituting file template information included in the extended file delivery table with a Transport Object Identifier (TOI) in a header of a transport packet for the delivery object.