公开(公告)号：US10476693B2

公开(公告)日：2019-11-12

申请号：US14914543

申请日：2015-02-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/18 ,  H04L29/08 ,  H04W4/06 ,  H04W28/02 ,  H04L29/06

Abstract: The present invention provides an apparatus for transmitting broadcast signals, an apparatus for receiving broadcast signals and methods for transmitting and receiving broadcast signals. A broadcast signal transmission apparatus includes a delivery object generator configured to divide a file into at least one delivery object corresponding to a part of the file, a signaling encoder configured to encode signaling information including metadata for the delivery object, the signaling information including real time information indicating whether the at least one delivery object is transmitted in real time via a unidirectional channel using at least one layered coding transport (LCT) packet, and a transmitter configured to transmit the at least one delivery object and the signaling information. It is possible to reduce a total time consumed for obtaining multimedia content and displaying the multimedia content for a user.

公开(公告)号：US10432372B2

公开(公告)日：2019-10-01

申请号：US15722770

申请日：2017-10-02

Applicant: LG Electronics Inc.

Inventor： Byounggill Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04J3/24 ,  H04L5/00 ,  H04L27/26 ,  H04L1/00 ,  H04L1/08 ,  H04L27/00 ,  H04L1/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder for encoding service data corresponding to each of a plurality of data transmission path, wherein each of the data transmission path carries at least one service component, a frame builder for building at least one signal frame included in a super frame, wherein each of signal frames includes the encoded service data and the encoded signaling data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, wherein each of the modulated signal frame includes a preamble having basic transmission parameters, wherein a length of the preamble is extendable and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.

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：US10348545B2

公开(公告)日：2019-07-09

申请号：US15722768

申请日：2017-10-02

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Chulkyu Mun ,  Woosuk Ko ,  Jongseob Baek ,  Sungryong Hong

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04W72/00

Abstract: A broadcast signal transmitter is provided that includes an input formatter, a Forward Error Correction (FEC) encoder, a constellation mapper, a time interleaver, a framer and a waveform generator. The input formatter input processes input data to output Physical Layer Pipe (PLP) data. The FEC encoder performs FEC encoding on the PLP data. The constellation mapper performs constellation mapping on the PLP data. The time interleaver is configured to time interleave the PLP data. The framer is configured to generate a signal frame comprising the PLP data. The waveform generator is configured to generate a transmission broadcast signal comprising the signal frame. A number of carriers of the signal frame is determined by the equation: NoC=NoC_max−k*Δ, wherein NoC is the number of carriers, NoC_max is a maximum number of carriers, k is a reducing coefficient, and Δ is a control unit value.

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：US10277254B2

公开(公告)日：2019-04-30

申请号：US15891961

申请日：2018-02-08

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Seoyoung Back ,  Sungryong Hong

IPC: H03M13/27 ,  H04L1/00 ,  H04B1/16 ,  H04L5/00 ,  G06F11/10 ,  H04L12/18 ,  H03M13/25 ,  H03M13/00 ,  H03M13/11 ,  H03M13/15

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaving, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a FEC (Forward Error Correction) block in the plural PLPs; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data.

公开(公告)号：US10250424B2

公开(公告)日：2019-04-02

申请号：US15660480

申请日：2017-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Sungryong Hong ,  Woosuk Ko

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04H40/00 ,  H04H20/42

Abstract: A method and an apparatus for transmitting broadcast, signals thereof are disclosed. The method for transmitting broadcast signals includes processing input streams into BB frames in PLPs; 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 method and transmitting the broadcast signals having the modulated data, wherein at least one of the BB frames includes a stuffing field and a first indicator describing whether the stuffing field is included in the BB frame.

公开(公告)号：US10212478B2

公开(公告)日：2019-02-19

申请号：US15547285

申请日：2016-01-29

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/462 ,  H04N21/845 ,  H04N21/434 ,  H04N21/61 ,  H04N21/438 ,  H04N21/643 ,  H04H60/82 ,  H04H20/93 ,  H04N21/2362

Abstract: The present invention proposes a method for transmitting broadcast signals. The method for transmitting broadcast signals, according to the present invention, proposes a system which can support next-generation broadcast service in an environment which supports next-generation hybrid broadcast which uses terrestrial broadcast networks and the Internet. In addition, the present invention proposes an efficient signaling method, which can embrace terrestrial broadcast networks and the Internet, in an environment which supports next-generation hybrid broadcast.

公开(公告)号：US10142153B2

公开(公告)日：2018-11-27

申请号：US15800989

申请日：2017-11-01

Applicant: LG ELECTRONICS INC.

Inventor： Sangchul Moon ,  Woosuk Ko ,  Sungryong Hong ,  Jinwoo Kim ,  Jongwoong Shin

IPC: H04L27/26 ,  H04H20/30 ,  H04L1/00 ,  H03M13/00 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/438

Abstract: The present invention provides a method of transmitting broadcast signals, the method including, encoding service data, building at least one signal frame by mapping the encoded service data, modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and transmitting the broadcast signals having the modulated data.

公开(公告)号：US10129602B2

公开(公告)日：2018-11-13

申请号：US15674947

申请日：2017-08-11

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Woosuk Ko ,  Sungryong Hong

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

Abstract: A method for generating and processing a broadcast signal according to an embodiment of the present invention includes: encoding broadcast data for one or more broadcast services; encoding first level signaling information including information describing properties of the one or more broadcast services; encoding second level signaling information including information for listing the one or more broadcast services; and generating a broadcast signal including the encoded broadcast data, the encoded first level signaling information and the encoded second level signaling information.