公开(公告)号：US10129067B2

公开(公告)日：2018-11-13

申请号：US15912376

申请日：2018-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L27/26 ,  H04H20/57 ,  H04B7/0413 ,  H04H20/72 ,  H04H60/07 ,  H04H60/91 ,  H04N21/61 ,  H04N21/2383

Abstract: A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module performing baseband formatting and outputting at least one Physical Layer Pipe (PLP) data; a BICM module error-correction processing the PLP data; a framing & interleaving module interleaving the PLP data and generating a signal frame; and a waveform generating module inserting a preamble into the signal frame and generating a broadcast signal by performing OFDM modulation.

公开(公告)号：US10116366B2

公开(公告)日：2018-10-30

申请号：US15799480

申请日：2017-10-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/02 ,  H04B7/0456 ,  H04N7/08 ,  H04L27/26 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04L1/00 ,  H04B7/0413 ,  H04L5/00

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding Data Pipe, DP, data according to a code rate, wherein the encoding further includes Low-Density Parity-Check, LDPC, encoding the DP data, Bit interleaving the LDPC encoded DP data, and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded 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.

公开(公告)号：US10091042B2

公开(公告)日：2018-10-02

申请号：US15646938

申请日：2017-07-11

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H03M13/11 ,  H04L1/00 ,  H04L29/08 ,  H03M13/27 ,  H04L5/00 ,  H04L29/06 ,  H03M13/29 ,  H03M13/25 ,  H04L12/18 ,  H03M13/15 ,  H03M13/09

Abstract: A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module configured to perform baseband formatting and to output at least one PLP (Physical Layer Pipe) data; a BICM (Bit Interleaved Coded Modulation) module configured to perform an error correction process on the PLP data; a framing and interleaving module configured to interleave the PLP data and to generate a signal frame; and a waveform generating module configured to generate a broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation.

公开(公告)号：US10080055B2

公开(公告)日：2018-09-18

申请号：US15104106

申请日：2014-12-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/462 ,  H04N21/2383 ,  H04N21/43 ,  H04N21/434 ,  H04N21/439 ,  H04N21/44 ,  H04N21/61 ,  H04N21/8547 ,  H04L29/06

CPC classification number: H04N21/4622 ,  H04L65/4076 ,  H04L65/60 ,  H04N21/2383 ,  H04N21/4305 ,  H04N21/4307 ,  H04N21/4342 ,  H04N21/439 ,  H04N21/44 ,  H04N21/6125 ,  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 a broadcast stream including a first portion of the broadcast content via a broadcast network, a heterogeneity network interface for receiving a heterogeneity stream including a second portion of the broadcast content via a heterogeneity network, and wherein the broadcast stream further includes timeline component access units containing metadata for synchronizing streams transmitted via the one or more networks, and wherein the timeline component access units include timestamp information representing first timestamps for the heterogeneity stream, a processor for configuring the broadcast content using the broadcast stream and the heterogeneity stream based on the timestamp information.

公开(公告)号：US10079649B2

公开(公告)日：2018-09-18

申请号：US15503130

申请日：2015-09-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04H60/06 ,  H04H20/33 ,  H04H60/82 ,  H04N21/2368 ,  H04N21/233 ,  H04N21/234 ,  H04N21/61 ,  H04N5/92 ,  H04J11/00 ,  H04H20/59 ,  H04B7/0413

CPC classification number: H04H60/06 ,  H04B7/0413 ,  H04H20/33 ,  H04H20/59 ,  H04H60/07 ,  H04H60/73 ,  H04H60/82 ,  H04J11/00 ,  H04N5/9201 ,  H04N21/233 ,  H04N21/234 ,  H04N21/2362 ,  H04N21/2368 ,  H04N21/2383 ,  H04N21/61 ,  H04N21/6332

Abstract: The present invention proposes a method for providing a broadcast service. The method for providing a broadcast service in a broadcast signal transmitter according to the present invention may comprise the steps of: encoding media data to a media stream; creating signaling information for signaling the media stream; multiplexing the encoded media stream and the signaling information; and transmitting a broadcast signal comprising the multiplexed media stream and the signaling information.

公开(公告)号：US10075747B2

公开(公告)日：2018-09-11

申请号：US15899946

申请日：2018-02-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/28 ,  H04N21/2362 ,  H04N21/8543 ,  H04N21/845 ,  H04N21/2343 ,  H04N21/643 ,  H04N21/64 ,  H04N21/2385 ,  H04N21/43 ,  H04H60/73

CPC classification number: H04N21/2362 ,  H04H60/73 ,  H04N21/23439 ,  H04N21/2385 ,  H04N21/43 ,  H04N21/64 ,  H04N21/64322 ,  H04N21/8456 ,  H04N21/8543

Abstract: A method of processing a broadcast signal is discussed. The method includes generating service components of a broadcast service; generating first signaling data and second signaling data, the first signaling data for locating the second signaling data, the second signaling data signaling the broadcast service; processing the service components and the second signaling data into transport packets, wherein the first signaling data includes destination Internet Protocol (IP) address information, a destination port number, and source IP address information through which the second signaling data is delivered; and transmitting the broadcast signal including the first signaling data and the transport packets.

公开(公告)号：US10057008B2

公开(公告)日：2018-08-21

申请号：US15217756

申请日：2016-07-22

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H03M13/2732 ,  G06F11/10 ,  H03M13/1148 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/253 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2721 ,  H03M13/2742 ,  H03M13/2767 ,  H03M13/2792 ,  H03M13/618 ,  H03M13/6541 ,  H04B1/16 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0058 ,  H04L1/0059 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0044 ,  H04L12/18

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：US10050743B2

公开(公告)日：2018-08-14

申请号：US15640098

申请日：2017-06-30

Applicant: LG Electronics Inc.

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

IPC: H04L27/00 ,  H04L1/00 ,  H04B1/04 ,  H04L27/26 ,  H04L5/00 ,  H04L12/18 ,  H03M13/00 ,  H04B7/0413

CPC classification number: H04L1/0071 ,  H03M13/00 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/159 ,  H03M13/253 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/271 ,  H03M13/2721 ,  H03M13/2778 ,  H03M13/2906 ,  H03M13/6356 ,  H03M13/655 ,  H03M13/6552 ,  H04B1/04 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0059 ,  H04L1/0065 ,  H04L1/0075 ,  H04L5/0007 ,  H04L12/18 ,  H04L27/2601 ,  H04L27/2626 ,  H04L27/2627 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data corresponding to a number of physical paths, a time interleaver to time interleave the encoded service data in each physical path, a frame builder to build at least one signal frame including the time interleaved service data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmitting the broadcast signals having the modulated data.

公开(公告)号：US10003678B2

公开(公告)日：2018-06-19

申请号：US15100122

申请日：2014-12-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/08 ,  H04L29/06 ,  H04L9/08 ,  H04L9/32

CPC classification number: H04L69/322 ,  H04L9/0861 ,  H04L9/3242 ,  H04L63/0428 ,  H04L63/0457 ,  H04L69/22

Abstract: The present invention provides an apparatus for processing at least one PDU (protocol data unit) in an N layer in a transmitting side of a broadcast system, the apparatus comprising a PDU processor for receiving at least one higher (N+1) layer PDU and generating a PDU including the received at least one higher (N+1) layer PDU and a PDU post-processor for post processing the generated PDU and transmitting the post-processed PDU to a lower (N−1) layer.

公开(公告)号：US09998265B2

公开(公告)日：2018-06-12

申请号：US15359175

申请日：2016-11-22

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04B7/12 ,  H04L1/00 ,  H04L27/14 ,  H04L27/26 ,  H04L27/12 ,  H04W4/06

CPC classification number: H04L5/0044 ,  H04B7/12 ,  H04H20/28 ,  H04H40/09 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/12 ,  H04L27/14 ,  H04L27/26 ,  H04L27/2647 ,  H04W4/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data, a mapper to map the encoded service data, a time interleaver to time interleave the mapped service data, wherein the time interleaving is performed depending on number of physical paths for the service data, a frame builder to build at least one signal frame including the time interleaved service data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data.