公开(公告)号：US20180167163A1

公开(公告)日：2018-06-14

申请号：US15891961

申请日：2018-02-08

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Seoyoung BACK ,  Sungryong HONG

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

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：US20180152768A1

公开(公告)日：2018-05-31

申请号：US15576575

申请日：2016-05-25

Applicant: LG ELECTRONICS INC.

Inventor： Seungryul YANG ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/858 ,  H04N21/2387 ,  H04N21/233 ,  H04N21/234 ,  H04N21/439 ,  H04N21/44 ,  H04N21/239 ,  H04N21/472

CPC classification number: H04N21/8586 ,  H04H20/42 ,  H04H20/59 ,  H04H20/93 ,  H04H60/40 ,  H04H60/72 ,  H04H60/73 ,  H04N21/233 ,  H04N21/234 ,  H04N21/2383 ,  H04N21/2387 ,  H04N21/2393 ,  H04N21/258 ,  H04N21/4126 ,  H04N21/439 ,  H04N21/44 ,  H04N21/47217 ,  H04N21/64322

Abstract: The present invention proposes a method for transmitting a broadcasting signal. The method for transmitting a broadcasting signal according to the present invention proposes a system capable of supporting a next generation broadcasting service in an environment which supports next generation hybrid broadcasting that uses a terrestrial broadcasting network and an Internet network. Also, the present invention proposes an effective signaling scheme that can cover both the terrestrial broadcasting network and the Internet network in the environment that supports the next hybrid broadcasting.

公开(公告)号：US20180123663A1

公开(公告)日：2018-05-03

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: H04B7/04 ,  H04N21/61 ,  H04N21/438 ,  H04L1/00 ,  H04N21/434 ,  H04N21/414 ,  H04N21/2383 ,  H04N21/2381 ,  H04N21/2362 ,  H04N21/236 ,  H04N7/08 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04B7/0478 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0063 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0091 ,  H04L27/2601 ,  H04L27/2637 ,  H04L27/2646 ,  H04N7/08 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

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：US20180115796A1

公开(公告)日：2018-04-26

申请号：US15557404

申请日：2016-03-28

Applicant: LG Electronics Inc.

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

IPC: H04N21/2665 ,  H04N21/462 ,  H04N21/61 ,  H04N21/239 ,  H04N21/643 ,  H04N21/2387 ,  H04N21/262

Abstract: The present invention discloses a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention discloses a system capable of supporting a next-generation broadcast service in an environment supporting next-generation hybrid broadcasting using a terrestrial broadcast network and an internet network. Also disclosed is an efficient signaling scheme capable of encompassing both a terrestrial broadcast network and an internet network, in an environment supporting next-generation hybrid broadcasting.

公开(公告)号：US20180041556A1

公开(公告)日：2018-02-08

申请号：US15554932

申请日：2016-03-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04H60/07 ,  H04H20/22

CPC classification number: H04L65/4076 ,  H04H20/22 ,  H04H20/42 ,  H04H60/07 ,  H04H60/73 ,  H04L65/601 ,  H04L65/607 ,  H04L65/608 ,  H04L65/80 ,  H04L67/02 ,  H04L69/24

Abstract: A method for transmitting a broadcast signal, according to one embodiment of the present invention, may comprise the steps of: generating broadcast data for at least one broadcast service; generating first level signaling information including information describing attributes for the at least one broadcast service; generating second level signaling information including information for listing the at least one broadcast service; generating link layer packets including encoded broadcast data, the first level signaling information and the second level signaling information; and generating broadcast signals including the generated link layer packets.

公开(公告)号：US20180035153A1

公开(公告)日：2018-02-01

申请号：US15549349

申请日：2016-02-29

Applicant: LG Electronics Inc.

Inventor： Seungryul YANG ,  Jinwon LEE ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/41 ,  H04N21/858 ,  H04N21/482

CPC classification number: H04N21/4104 ,  H04N21/4345 ,  H04N21/478 ,  H04N21/4821 ,  H04N21/6125 ,  H04N21/8586

Abstract: The present invention proposes a method for transmitting a broadcasting signal. The method for transmitting a broadcasting signal according to the present invention proposes a system which can support a next generation broadcasting service in an environment that supports next generation hybrid broadcasting using a terrestrial broadcasting network and an Internet network. Further, in the environment that supports the next generation hybrid broadcasting, the present invention proposes an efficient signaling scheme which can cover both the terrestrial broadcasting network and the Internet network.

公开(公告)号：US20180026822A1

公开(公告)日：2018-01-25

申请号：US15710081

申请日：2017-09-20

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04B7/00 ,  H04B1/00

Abstract: A method for receiving broadcast signals by an apparatus for receiving broadcast signals, the method includes receiving the broadcast signals having Orthogonal Frequency Division Multiplex (OFDM) symbols including at least one preamble OFDM symbol and at least one data OFDM symbol on which power normalization is performed by using power normalization factors acquired from a frequency domain total power for the OFDM symbols; demodulating the at least one preamble OFDM symbol and the at least one data OFDM symbol into at least one preamble symbol and at least one data symbol by an OFDM scheme; parsing at least one signal frame including the at least one preamble symbol for signaling data and the at least one data symbol for service data; decoding the signaling data; and decoding the service data.

公开(公告)号：US20170366384A1

公开(公告)日：2017-12-21

申请号：US15676325

申请日：2017-08-14

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

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

CPC classification number: H04L27/2646 ,  H04B7/0413 ,  H04B7/0697 ,  H04H20/57 ,  H04H20/72 ,  H04H60/07 ,  H04H60/91 ,  H04L1/0041 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0075 ,  H04L27/2601 ,  H04L27/2649 ,  H04L27/2655 ,  H04L2001/0093 ,  H04N21/2383 ,  H04N21/6112 ,  H04N21/6131

Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and OFDM demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one Physical Layer Pipe (PLP) of the broadcast signal into the bit domain and FEC decoding of the converted PLP data; and an output processing module outputting a data stream by receiving the at least one PLP data.

公开(公告)号：US20170310521A1

公开(公告)日：2017-10-26

申请号：US15637790

申请日：2017-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04W72/04

CPC classification number: H04L27/2628 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/04 ,  H04L1/0625 ,  H04L1/0631 ,  H04L5/0007 ,  H04L5/0044 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2649 ,  H04W72/0446

Abstract: Disclosed herein is a method of receiving a broadcast signal. The method comprises receiving the broadcast signal; an Orthogonal Frequency Division Multiplexing (OFDM) demodulating on the received broadcast signal; parsing at least one signal frame from the demodulated broadcast signal to extract service data or service component data; converting the service data or service component data into bits; decoding the converted bits; and outputting a data stream comprising the decoded bits.

公开(公告)号：US20170302405A1

公开(公告)日：2017-10-19

申请号：US15636230

申请日：2017-06-28

Applicant: LG Electronics Inc.

Inventor： Jinwoo KIM ,  Jongwoong SHIN ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04L29/06 ,  H03M13/11 ,  H03M13/27 ,  H04L27/26

CPC classification number: H04L1/0041 ,  H03M13/1148 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2792 ,  H03M13/2906 ,  H03M13/356 ,  H04L1/0045 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0007 ,  H04L5/0048 ,  H04L12/18 ,  H04L12/189 ,  H04L27/2601 ,  H04L27/2627 ,  H04L65/4076 ,  H04L65/607 ,  H04L2001/0093

Abstract: A method is provided for transmitting broadcast signals. The method includes encoding, by an encoder, service data, encoding, by a signaling encoder, signaling data based on modes of the signaling data, wherein the signaling data is categorized into each mode representing a Low Density Parity Check (LDPC) code rate and a modulation order for the signaling data, building, by a frame builder, at least one signal frame including the encoded service data in at least one data symbol and the encoded signaling data in at least one signaling symbol, modulating, by a modulator, data in the at least one signal frame by an Orthogonal Frequency Division Multiplex (OFDM) scheme, and transmitting, by a transmitter, the broadcast signals carrying the modulated data in the at least one signal frame. One of the modes for the signaling data represents a 6/15 LDPC code rate and a Quadrature Phase Shift Keying (QPSK) modulation.