公开(公告)号：US20240356770A1

公开(公告)日：2024-10-24

申请号：US18580054

申请日：2022-07-21

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Joonhee YOON

IPC: H04L12/18 ,  H04L69/04 ,  H04L69/22

CPC classification number: H04L12/18 ,  H04L69/04 ,  H04L69/22

Abstract: Disclosed herein is receiving method of transmitting a multicast signal. The method may performing selectively header compression on an IP (Internet Protocol) stream made up of IP packets including multicast service data for a multicast service, generating first signaling information including information related to the header compression when the header compression is performed on the IP stream, generating second signaling information including information related to the multicast service, and transmitting the IP stream on which the header compression is selectively performed, the first signaling information, and the second signaling information.

公开(公告)号：US20240121123A1

公开(公告)日：2024-04-11

申请号：US18277187

申请日：2022-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Joonhee YOON

IPC: H04L12/18 ,  H04L65/611 ,  H04N21/643

CPC classification number: H04L12/18 ,  H04L65/611 ,  H04N21/64322

Abstract: Disclosed herein is an apparatus for receiving a multicast signal. The apparatus may include a multicast gateway configured to receive a multicast signal based on an interface from a multicast server, and a content playback configured to display a multicast service in the multicast signal. Disclosed herein is a method of receiving a multicast signal. The method may include receiving a multicast signal based on an interface from a multicast server, and displaying a multicast service in the multicast signal.

公开(公告)号：US20220021842A1

公开(公告)日：2022-01-20

申请号：US17387675

申请日：2021-07-28

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

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：US20210119853A1

公开(公告)日：2021-04-22

申请号：US16952871

申请日：2020-11-19

Applicant: LG Electronics Inc.

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

IPC: H04L29/08 ,  H04L29/06

Abstract: Disclosed is a method for transmitting a broadcast signal. A method for transmitting a broadcast signal according to an embodiment of the present invention comprises the steps of: delivery layer processing broadcasting service data and signaling information for the broadcasting service data; UDP/IP encapsulating the broadcasting service data and signaling information for the broadcasting service data; and physical layer processing the broadcasting service data and signaling information for the broadcasting service data.

公开(公告)号：US20200322463A1

公开(公告)日：2020-10-08

申请号：US16901304

申请日：2020-06-15

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Woosuk KO ,  Sungryong HONG ,  Sejin OH ,  Kyoungsoo MOON

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

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 signal frame including the RoHC packet and the signaling information.

公开(公告)号：US20200287776A1

公开(公告)日：2020-09-10

申请号：US16824694

申请日：2020-03-19

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Minsung KWAK ,  Kyoungsoo MOON

IPC: H04L29/08 ,  H04L29/06 ,  H04N21/234 ,  H04N21/2383 ,  H04N21/643 ,  H04N21/2362 ,  H04L12/24

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 link layer processing IP/UDP data to output a link layer packet, and physical layer processing the link layer packet based on a PLP.

公开(公告)号：US20200274955A1

公开(公告)日：2020-08-27

申请号：US16807417

申请日：2020-03-03

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Woosuk KO ,  Sungryong HONG ,  Kyoungsoo MOON

IPC: H04L29/08 ,  H04H60/73 ,  H04L29/06

Abstract: A method for transmitting a broadcast signal in a broadcast transmitter includes generating a link layer packet including a header and a payload; and transmitting the broadcast signal carrying the link layer packet. Further, the header includes a fixed header having a fixed length and the fixed header includes packet type information of input data before encapsulation into the link layer packet, further the input data relates to an IP packet or MPEG-2 transport stream.

公开(公告)号：US20200252487A1

公开(公告)日：2020-08-06

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：US20200213683A1

公开(公告)日：2020-07-02

申请号：US16731616

申请日：2019-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04N21/845 ,  H04N21/643 ,  H04N21/61 ,  H04N21/2381

Abstract: Provided is a method for transmitting a broadcast signal. The method includes generating a plurality of input packets including broadcast data, generating at least one link layer packet using the input packets, wherein a header of the link layer packet includes packet type information and packet configuration information, the packet type information indicates a type of an input packet included in a payload of the link layer packet, and the packet configuration information indicates a payload configuration of the link layer packet, generating a broadcast signal using the link layer packet, and transmitting the broadcast signal.

公开(公告)号：US20200177713A1

公开(公告)日：2020-06-04

申请号：US16781361

申请日：2020-02-04

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Kyoungsoo MOON ,  Minsung KWAK

IPC: H04L29/08 ,  H04N21/2381 ,  H04N21/472 ,  H04N21/438 ,  H04N21/434 ,  H04N21/643 ,  H04N21/2362 ,  H04N21/236 ,  H04L29/06 ,  H04L12/741

Abstract: A method according to an embodiment includes encapsulating input packets into link layer packets, a link layer packet including a header and a payload, wherein the header includes first information and second information, the first information represents a packet type of data in the payload before encapsulation, the second information represents configuration of the payload, and either the second information, which represents the link layer packet carrying a single input packet, is followed by third information or the second information, which represents the link layer packet carrying more than one input packet or a segment of an input packet, is followed by fourth information; and transmitting the generated link layer packets through physical layer pipes (PLPs).