公开(公告)号：US09838176B2

公开(公告)日：2017-12-05

申请号：US14591736

申请日：2015-01-07

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L5/0046 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L1/08 ,  H04L5/0053 ,  H04L27/0008 ,  H04L27/2601 ,  H04L27/2628 ,  H04L27/265

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：US09800446B2

公开(公告)日：2017-10-24

申请号：US15087670

申请日：2016-03-31

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

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

CPC classification number: H04L27/2627 ,  H04B1/00 ,  H04B7/00 ,  H04L5/0048 ,  H04L27/22 ,  H04L27/2607 ,  H04L27/2608 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2649

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals, the method comprising encoding service data, encoding signaling data, building at least one signal frame including the encoded service data and the encoded signaling data; modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and transmitting the broadcast signals having the modulated data, wherein the modulating step includes performing a power normalization for each OFDM symbol in a time domain.

公开(公告)号：US20170302407A1

公开(公告)日：2017-10-19

申请号：US15640098

申请日：2017-06-30

Applicant: LG Electronics Inc.

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

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

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：US09794100B2

公开(公告)日：2017-10-17

申请号：US14848651

申请日：2015-09-09

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04J1/00 ,  H04L27/26 ,  H04L1/00

CPC classification number: H04L27/265 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2608 ,  H04L27/263 ,  H04L27/2637 ,  H04L2001/0093

Abstract: An apparatus for transmitting broadcast signals includes an encoder to encode service data, a framing block to map the encoded service data into data symbols to build at least one signal frame, a frequency interleaver to frequency interleaving data in the at least one signal frame by using an interleaving sequence, a modulator to perform a modulation on the frequency interleaved data by the OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data. A different interleaving sequence is used for two consecutive data symbols corresponding to an OFDM symbol pair or a data symbol corresponding to an OFDM symbol according to an FFT size of the modulation.

公开(公告)号：US20170279649A1

公开(公告)日：2017-09-28

申请号：US15619100

申请日：2017-06-09

Applicant: LG Electronics Inc.

Inventor： Jongwoong Shin ,  Jinwoo Kim ,  Woosuk Ko ,  Jaeho Hwang ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/438 ,  H04N5/00 ,  H04N5/067 ,  H04N5/44 ,  H04B7/0413 ,  H04B7/10

CPC classification number: H04L27/2627 ,  H04B7/0413 ,  H04B7/10 ,  H04L1/0057 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0007 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2649 ,  H04N5/00 ,  H04N5/067 ,  H04N5/4401 ,  H04N21/23611 ,  H04N21/2383 ,  H04N21/4348 ,  H04N21/4382

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, an encoder for encoding signaling data, a frame builder for building at least one signal frame including the encoded service data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.

公开(公告)号：US09749705B2

公开(公告)日：2017-08-29

申请号：US15042998

申请日：2016-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N7/173 ,  H04N21/643 ,  H04N21/858 ,  H04N21/434 ,  H04N21/235 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/462

CPC classification number: H04N21/64322 ,  H04N21/235 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/4345 ,  H04N21/4622 ,  H04N21/8586

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.

公开(公告)号：US09749372B2

公开(公告)日：2017-08-29

申请号：US15015959

申请日：2016-02-04

Applicant: LG ELECTRONICS INC.

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

IPC: G06F15/16 ,  H04L29/06 ,  H04L12/18 ,  H04N21/00

CPC classification number: H04L65/4076 ,  H04L12/18 ,  H04L12/1881 ,  H04L65/608 ,  H04N21/00

Abstract: Proposed herein is a method for transmitting a broadcast signal. The method for transmitting a broadcast signal proposes a system that can support next generation broadcast services in an environment supporting next generation hybrid broadcast, which uses a terrestrial broadcasting network and Internet network. Additionally, proposed herein is an efficient signaling solution that can encompass both terrestrial broadcasting network and Internet network, in an environment supporting next generation hybrid broadcast.

公开(公告)号：US09742604B2

公开(公告)日：2017-08-22

申请号：US15014838

申请日：2016-02-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/22 ,  H04L27/26 ,  H04L1/00

CPC classification number: H04L27/2601 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0071 ,  H04L1/0075 ,  H04L25/0232 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/265 ,  H04L27/2656 ,  H04L27/2662 ,  H04L27/2666 ,  H04L2001/0093

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：US09735995B2

公开(公告)日：2017-08-15

申请号：US14837542

申请日：2015-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

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

CPC classification number: H04L27/2649 ,  H03M13/09 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2721 ,  H03M13/2732 ,  H03M13/2778 ,  H03M13/2792 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0048 ,  H04L12/189 ,  H04L27/2613 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2675 ,  H04L69/22 ,  H04L69/323 ,  H04L2001/0093

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：US09729372B2

公开(公告)日：2017-08-08

申请号：US14693140

申请日：2015-04-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2627 ,  H04L1/0008 ,  H04L5/0053 ,  H04L27/2602 ,  H04N21/23611

Abstract: Disclosed is a method for transmitting a broadcast signal. The method comprises formatting input streams with multiple data transmission channels, and the formatting step comprises adding a header indicating a format of a payload of the BBF.