公开(公告)号：US10574798B2

公开(公告)日：2020-02-25

申请号：US16046255

申请日：2018-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Kyoungsoo Moon ,  Minsung Kwak

IPC: H04N21/235 ,  H04N21/434 ,  H04L12/741 ,  H04L29/08 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/438 ,  H04N21/643 ,  H04L29/06 ,  H04N21/472

Abstract: A method of transmitting a broadcast signal is discussed. The method includes generating, by a broadcast transmitter, a plurality of input packets comprising broadcast data, generating, by the broadcast transmitter, link layer packets carrying the input packets, wherein a link layer packet among the link layer packets includes a header and a payload, wherein the header includes information about whether an additional header following the header exists or not, wherein the header includes information indicating least significant bits (LSBs) of a length of the payload, and when the additional header exists, the additional header includes information indicating most significant bits (MSBs) of the length of the payload, and wherein the link layer packets include signaling information for header compression of the input packets when the input packets are compressed internet protocol (IP) packets, and transmitting, by the broadcast transmitter, the generated link layer packets through a physical layer pipe (PLP).

公开(公告)号：US10574504B2

公开(公告)日：2020-02-25

申请号：US16381748

申请日：2019-04-11

Applicant: LG Electronics Inc.

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

IPC: G06F15/16 ,  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：US20200029123A1

公开(公告)日：2020-01-23

申请号：US16572313

申请日：2019-09-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/462 ,  H04L1/00 ,  H04N7/24 ,  H04N21/2383 ,  H04N21/854 ,  H04N21/2362 ,  H03M13/11 ,  H03M13/27 ,  H04N5/40 ,  H04N21/242 ,  H04N21/262 ,  H04N21/43

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 bit 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：US10523789B2

公开(公告)日：2019-12-31

申请号：US15105333

申请日：2014-12-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04L1/00 ,  H04L12/931 ,  H04W28/06 ,  H04W4/06

Abstract: A method and apparatus for transmitting and receiving a broadcast signal including a robust header compression (RoHC) packet stream are disclosed. The broadcast signal transmitting method includes compressing a header of an IP packet included in an IP packet stream to generate an RoHC packet stream, extracting a first part of an RoHC packet included in the generated RoHC packet stream, converting a second part of the RoHC packet into another type of an RoHC packet, reconfiguring a new packet stream including the converted another type of the RoHC packet, transporting the reconfigured packet stream through a first channel, and transporting the extracted first part through a second channel.

公开(公告)号：US10440448B2

公开(公告)日：2019-10-08

申请号：US15991793

申请日：2018-05-29

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04N21/854 ,  H04N21/2362 ,  H04N21/63 ,  H04N21/643

Abstract: A broadcast signal transmission processing device according to one embodiment of the present invention, comprises a header compression processor that generates first packets including first header information in a uncompressed form and second packets including second header information in a compressed form by performing header compression on Internet protocol (IP) packets containing broadcast data; a header information extracting processor that extracts the header information from the first packets and converts the first packets from which the first header information is extracted to third packets including third header information in a compressed form; a signaling data generating processor that generates signaling packets containing information related to the header compression and mapping information between the IP packets and multiple data pipes; and a broadcast signal transmitting processor that transmits a broadcast signal including the multiple data pipes.

公开(公告)号：US10362450B2

公开(公告)日：2019-07-23

申请号：US15875910

申请日：2018-01-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L1/00 ,  H04H20/00 ,  H04L29/06 ,  H04B7/0413 ,  H04H60/07 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/643

Abstract: A method and apparatus for transmitting broadcast signals are discussed. The method can include generating an input stream having plural input packets, link processing the input packets in the input stream to generate link layer packets, physical processing the link layer packets into the broadcast signals, and transmitting the broadcast signals. The link processing can include generating a payload of a link layer packet by encapsulating either a segment of one input packet or concatenated input packets, generating a header of the link layer packet including a base part, the base part including a first field which indicates whether the payload includes either the segment or the concatenated input packets, and inserting the header in front of the payload.

公开(公告)号：US10334310B2

公开(公告)日：2019-06-25

申请号：US15656296

申请日：2017-07-21

Applicant: LG ELECTRONICS INC.

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

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

Abstract: An apparatus for transmitting a broadcast signal, the apparatus includes a hardware processor configured to generate input packets carrying service data for a broadcast service; generate a link layer packet having a header and a payload by using the input packets; and generate a broadcast signal including the link layer packet; and a broadcast transmitter configured to transmit the broadcast signal, wherein the header includes a packet type field indicating a packet type of the input packets, and determining which header fields present after the packet type field, wherein when the packet type field indicates that the input packets are Internet Protocol (IP) packets, the hardware processor, to generate a link layer packet, further configured to: add 2 signaling bits immediately after the packet type field, the 2 signaling bits indicating whether the payload carries a segment of one input packet or concatenated input packets.

公开(公告)号：US10142706B2

公开(公告)日：2018-11-27

申请号：US14914892

申请日：2015-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04N21/845 ,  H04N21/61 ,  H04N21/643 ,  H04N21/2381 ,  H04W4/06

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：US10097294B2

公开(公告)日：2018-10-09

申请号：US14913934

申请日：2014-12-30

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/71 ,  H04N21/236 ,  H04L29/08 ,  H04N21/2362 ,  H04N21/84 ,  H04L29/06 ,  H04N21/235 ,  H04N21/61 ,  H04N19/89

Abstract: The broadcast signal transmitting apparatus includes a signaling encoder for generating signaling information indicating whether a broadcast signal including multimedia content is transmitted in real time using a broadcast network, an internal structure generator for generating at least one object internal structure obtained by dividing a file included in the multimedia content into an independently encoded or decoded data unit, a packet information generator for generating packet information including metadata for identification of the object internal structure when the signaling information indicates that the multimedia content is transmitted in real time, and a transmitter for transmitting a broadcast signal including the object internal structure and the packet information. Accordingly, the apparatus can reduce a total time needed when multimedia content is acquired and then displayed for a user.

公开(公告)号：US10075568B2

公开(公告)日：2018-09-11

申请号：US15022465

申请日：2015-12-30

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon

IPC: H04L29/08 ,  H04L1/00 ,  H04L29/12 ,  H04L29/06 ,  H04L12/46

CPC classification number: H04L69/324 ,  H04L1/00 ,  H04L12/4633 ,  H04L61/2592 ,  H04L69/22 ,  H04L69/326

Abstract: A method for transmitting a broadcast signal proposes a system for supporting a next-generation broadcast service in an environment for supporting next-generation hybrid broadcast using a terrestrial broadcasting network and the Internet. In addition, the method proposes an effective signaling method for covering both a terrestrial broadcasting network and the Internet in an environment for supporting next-generation hybrid broadcast.