公开(公告)号：US09755873B2

公开(公告)日：2017-09-05

申请号：US14969749

申请日：2015-12-15

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Jongwoong Shin ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H03M13/27

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/271 ,  H03M13/2742 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0053 ,  H04L27/2605 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2634 ,  H04L27/265 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data, wherein the different interleaving-seed is generated based on a cyclic shifting value and wherein an interleaving seed is variable based on an FFT size of the modulating.

公开(公告)号：US09749680B2

公开(公告)日：2017-08-29

申请号：US14912583

申请日：2014-08-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/173 ,  H04N21/434 ,  H04N21/236 ,  H04N21/2385 ,  H04L12/18 ,  G11B27/10 ,  H04N21/234 ,  H04N21/643 ,  H04N21/845 ,  H04N21/854 ,  H04N21/61 ,  H04L29/06 ,  H04N7/167 ,  H04H20/28 ,  H04H60/73

CPC classification number: H04N21/4345 ,  G11B27/10 ,  H04H20/28 ,  H04H60/73 ,  H04L12/1836 ,  H04L65/4076 ,  H04L65/608 ,  H04L65/80 ,  H04L69/04 ,  H04L69/22 ,  H04L69/24 ,  H04N21/234 ,  H04N21/23614 ,  H04N21/2385 ,  H04N21/6125 ,  H04N21/64322 ,  H04N21/8456 ,  H04N21/854 ,  H04N21/85406

Abstract: An apparatus for transmitting broadcast signals, an apparatus for receiving broadcast signals, a method for transmitting broadcast signals, and a method for receiving broadcast signals are disclosed. A method for receiving a broadcast signal comprising receiving a broadcast signal, parsing a second packet at the received broadcast signal, parsing the first packet using the fixed header and/or the extended header and displaying broadcast contents by processing the parsed first packet is disclosed.

公开(公告)号：US09723456B2

公开(公告)日：2017-08-01

申请号：US15097066

申请日：2016-04-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L5/00 ,  H04L27/26 ,  H04W52/32 ,  H04W52/54

CPC classification number: H04W4/06 ,  H04L5/0007 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2626 ,  H04L27/2666 ,  H04W52/325 ,  H04W52/54

Abstract: Disclosed herein is a broadcast signal transmitter. A broadcast signal transmitter according to an embodiment of the present invention includes an input formatting module configured to perform baseband formatting and to output the data of at least one Physical Layer Pipe (PLP), a BICM module configured to perform error-correction processing on the PLP data, a framing and interleaving module configured to interleave the PLP data and to generate a signal frame, and a waveform generation module configured to insert a preamble into the signal frame and to generate a broadcast signal by performing OFDM modulation.

公开(公告)号：US09722846B2

公开(公告)日：2017-08-01

申请号：US15421956

申请日：2017-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

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

CPC classification number: H04L27/2649 ,  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 ,  H04L27/2628 ,  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：US09712292B2

公开(公告)日：2017-07-18

申请号：US14894881

申请日：2014-05-28

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu Mun ,  Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Sungryong Hong ,  Jinyong Choi ,  Jaeho Hwang ,  Jongseob Baek ,  Kookyeon Kwak ,  Woosuk Ko

IPC: H04H20/00 ,  H04L5/00 ,  H04L1/00 ,  H04H20/72 ,  H04B7/0413 ,  H04L29/06 ,  H04H60/73

CPC classification number: H04L5/0007 ,  H04B7/0413 ,  H04H20/00 ,  H04H20/72 ,  H04H60/73 ,  H04L1/00 ,  H04L5/0048 ,  H04L65/607

Abstract: An apparatus for transmitting a broadcast signal according to one embodiment of the present invention comprises: an encoder for encoding data pipe (DP) data corresponding to a DP which transmits at least one broadcast service or broadcast service component; a mapper for mapping the encoded DP data on a constellation; a time interleaver for time-interleaving the mapped DP data; a frame builder for generating at least one signal frame builder for generating at least one signal frame including the time-interleaved DP data; a pilot inserting unit for inserting signal frame, according to at least one pilot pattern; an OFDM modulator for OFDM-modulating the at least one generated signal frame using OFDM parameters; and a transmitter for transmitting at least one broadcast signal including the at least one modulated signal frame.

公开(公告)号：US09693203B2

公开(公告)日：2017-06-27

申请号：US14604417

申请日：2015-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Byeongkook Jeong ,  Woosuk Ko ,  Youngjin Hong ,  Sungryong Hong

IPC: H04W4/06 ,  H04L27/26 ,  H04L27/36

CPC classification number: H04W4/06 ,  H04L27/2627 ,  H04L27/2634 ,  H04L27/3405 ,  H04L27/365

Abstract: The present invention provides an apparatus of transmitting broadcast signals. The apparatus includes, an encoder encoding service data, a constellation mapper mapping the encoded service data by either QAM, NUQ (Non Uniform QAM) or NUC (Non Uniform Constellation), a mapper mapping the mapped service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a modulator modulating data in the built at least one signal frame by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data.

公开(公告)号：US20170180809A1

公开(公告)日：2017-06-22

申请号：US15301826

申请日：2015-06-02

Applicant: LG Electronics Inc.

Inventor： Seungjoo An ,  Seungryul Yang ,  Kyoungsoo Moon ,  Jinwon Lee ,  Woosuk Ko ,  Sungryong Hong ,  Sejin Oh

IPC: H04N21/475 ,  H04N21/258 ,  H04N21/466

CPC classification number: H04N21/4758 ,  H04N21/235 ,  H04N21/25891 ,  H04N21/435 ,  H04N21/4532 ,  H04N21/4667 ,  H04N21/4668

Abstract: Provided is a method for providing a personalized service. A method for providing a personalized service, according to the present invention, comprises the steps of: receiving a personalized table, wherein the personalized table comprises a plurality of personalized questions, related to providing of a personalized service, and a table identifier for identifying the personalized table; obtaining one or more answers to the plurality of personalized questions; and storing the obtained answers in the personalized table.

公开(公告)号：US09667380B2

公开(公告)日：2017-05-30

申请号：US14711987

申请日：2015-05-14

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L1/0041 ,  G06F11/10 ,  H03M13/1148 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/253 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2721 ,  H03M13/2732 ,  H03M13/2742 ,  H03M13/2767 ,  H03M13/2792 ,  H03M13/618 ,  H03M13/6541 ,  H04B1/16 ,  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：US09621393B2

公开(公告)日：2017-04-11

申请号：US15153282

申请日：2016-05-12

Applicant: LG Electronics Inc.

Inventor： Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Sungryong Hong ,  Chulkyu Mun ,  Jinyong Choi ,  Jaeho Hwang ,  Jongseob Baek ,  Kookyeon Kwak ,  Woosuk Ko

IPC: H04L27/26 ,  H04H20/59 ,  H04L5/00 ,  H04B7/0413 ,  H04J13/00 ,  H04L1/00 ,  H04L29/06 ,  H04H20/72

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04H20/59 ,  H04H20/72 ,  H04J13/0062 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0026 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L65/4076 ,  H04L65/80

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the time interleaved DP data, modulating data in the built at least one signal frame by an OFDM scheme and transmitting the broadcast signals having the modulated data, wherein the at least one signal frame includes emergency alert information.

公开(公告)号：US09559885B2

公开(公告)日：2017-01-31

申请号：US14930289

申请日：2015-11-02

Applicant: LG Electronics Inc.

Inventor： Jaeho Hwang ,  Sungryong Hong ,  Woosuk Ko

IPC: H04K1/10 ,  H04L27/26 ,  H04L29/06 ,  H04L1/00 ,  H04N21/236 ,  H04N21/2383 ,  H04L5/00

CPC classification number: H04L27/2627 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/0082 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2647 ,  H04L69/22 ,  H04L2001/0093 ,  H04N21/236 ,  H04N21/23611 ,  H04N21/2381 ,  H04N21/2383 ,  H04W4/06

Abstract: Disclosed is a method for transmitting broadcast signals, including: formatting input streams to a plurality of data pipes (DPs), wherein the formatting comprises allocating data packets to a payload of a baseband frame (BBF), and adding a header indicating a format of the payload of the baseband frame, and the header comprises at least one of first control information and second control information.

Abstract translation: 公开了一种用于发送广播信号的方法，包括：将输入流格式化为多个数据管道（DP），其中格式化包括将数据分组分配给基带帧（BBF）的有效载荷，以及添加表示格式的标题 基带帧的有效载荷和报头包括第一控制信息和第二控制信息中的至少一个。