公开(公告)号：US09935738B2

公开(公告)日：2018-04-03

申请号：US15052522

申请日：2016-02-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04L1/06 ,  H04N21/2389 ,  H04N5/40 ,  H04N21/2383 ,  H03M13/27 ,  H04L27/26 ,  H04B1/10 ,  H04H60/11 ,  H04L5/00

CPC classification number: H04L1/0071 ,  H03M13/2792 ,  H04B1/10 ,  H04H60/11 ,  H04L1/0033 ,  H04L1/0036 ,  H04L1/0045 ,  H04L1/06 ,  H04L1/0625 ,  H04L1/0668 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2626 ,  H04L27/2655

Abstract: Disclosed is a broadcast signal transmitter. The broadcast signal transmitter includes a first bit interleaved coded modulation (BICM) unit configured to forward error correction (FEC)-encode data of a first layer, a second BICM unit configured to FEC-encode data of a second layer, a layered division multiplexing (LDM) injection unit configured to combine the data of the first layer and the data of the second layer and to output LDM data, a framing and interleaving unit configured to interleave the LDM data and to generate a signal frame, and a waveform generation unit configured to perform OFDM modulation on the LDM data and to generate a broadcast signal.

公开(公告)号：US09935736B2

公开(公告)日：2018-04-03

申请号：US15467226

申请日：2017-03-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/16 ,  H04L1/00 ,  H04L27/26 ,  H03M13/11 ,  H03M13/15 ,  H03M13/25 ,  H03M13/27 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/434 ,  H04N21/438

CPC classification number: H04L1/0057 ,  H03M13/036 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0071 ,  H04L27/2605 ,  H04L27/2627 ,  H04L27/2649 ,  H04L2001/0093 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

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

公开(公告)号：US09929785B2

公开(公告)日：2018-03-27

申请号：US15461239

申请日：2017-03-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04B7/0456 ,  H04L5/00 ,  H04L1/00 ,  H03M13/11 ,  H03M13/00 ,  H03M13/27

CPC classification number: H04N21/2362 ,  H03M13/1148 ,  H03M13/2792 ,  H03M13/616 ,  H04B7/0456 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L27/2627 ,  H04L27/2649 ,  H04N21/23614 ,  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 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：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：US09729275B2

公开(公告)日：2017-08-08

申请号：US14808955

申请日：2015-07-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04L27/26 ,  H04L12/18 ,  H04L5/00 ,  H04L29/06 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/11 ,  H03M13/15 ,  H03M13/35

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 and apparatus are presented for transmitting broadcast signals. Service data is encoded by an encoder. A signaling encoder encodes signaling data based on a mode of the signaling data. The signaling data is categorized to one of plural modes based on a modulation order for the signaling data. A frame builder builds 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. A modulator modulates data in the at least one signal frame by an Orthogonal Frequency Division Multiplex (OFDM) scheme. A transmitter transmits the broadcast signals carrying the modulated data in the at least one signal frame. The broadcast signals further carry a bootstrap. The bootstrap includes category information indicating the mode of the signaling data in the at least one signaling symbol in the at least one signal frame.

公开(公告)号：US09681421B2

公开(公告)日：2017-06-13

申请号：US14902106

申请日：2014-07-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/00 ,  H04L1/00 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04L27/26 ,  H04B7/0413 ,  H04L5/00

CPC classification number: H04W72/005 ,  H04B7/0413 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0064 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/00 ,  H04L27/2627 ,  H04L2001/0093 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an input formatter for input formatting one or more data streams into one or more service data, an encoder for encoding the service data, a mapper for mapping the encoded service data onto constellations, a time interleaver time interleaving the mapped service data, a frame builder for building at least one signal frame including the time interleaved service data, a modulator for modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals having the modulated data.

公开(公告)号：US09641370B2

公开(公告)日：2017-05-02

申请号：US14455079

申请日：2014-08-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04K1/10 ,  H04L27/28 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2602 ,  H04B7/0413 ,  H04L5/0053 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. An apparatus for transmitting broadcast signals 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 mapper for mapping the encoded service data onto constellations, an encoder for encoding physical signaling data, a frame builder for building at least one signal frame including preamble data, the encoded physical signaling data, the mapped service data, wherein the preamble data is located before the encoded physical signaling data and the encoded physical signaling data is located before the mapped 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, wherein the broadcast signals includes channel information data, wherein the channel information data includes binding information between the service data and the data transmission path.

公开(公告)号：US20170118052A1

公开(公告)日：2017-04-27

申请号：US15401866

申请日：2017-01-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04B7/0413

CPC classification number: H04L27/2602 ,  H03M13/2792 ,  H03M13/616 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L12/18 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649 ,  H04L2001/0093

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：US09621395B2

公开(公告)日：2017-04-11

申请号：US15091379

申请日：2016-04-05

Applicant: LG ELECTRONICS INC.

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

IPC: H03D1/04 ,  H04L27/26 ,  H04B1/10 ,  H04L12/18 ,  H04L1/00

CPC classification number: H04L1/0071 ,  H04B1/10 ,  H04J11/004 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0052 ,  H04L1/007 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0023 ,  H04L5/005 ,  H04L12/18 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649

Abstract: Disclosed herein is a broadcast signal receiver. A broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation unit configured to perform signal detection and OFDM demodulation on a received signal, a frame parser configured to parse the signal frame of the received signal, a time deinterleaving unit configured to deinterleave LDM data, a first demapping/decoding unit configured to obtain the data of a core layer by demapping and FEC-decoding the LDM data, an interference removal unit configured to remove the core layer data from the LDM data and to output the data of an enhanced layer, and a second demapping/decoding unit configured to demap and FEC-decode the enhanced layer data.

公开(公告)号：US09491022B2

公开(公告)日：2016-11-08

申请号：US14962719

申请日：2015-12-08

Applicant: LG Electronics Inc.

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

IPC: H04L27/00 ,  H04L27/26 ,  H04L1/00 ,  H04H20/72 ,  H04H60/07 ,  H04L29/08 ,  H04L5/00

CPC classification number: H04L27/2602 ,  H03M13/1102 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H03M13/6356 ,  H03M13/6362 ,  H04H20/72 ,  H04H60/07 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2627 ,  H04L27/2649 ,  H04L69/324 ,  H04L2001/0093

Abstract: An apparatus including an encoder for encoding service data corresponding to each of a plurality of data transmission path, an encoder for encoding signaling data, wherein the signaling data includes static data and dynamic data, a frame builder for building signal frames, wherein each of signal frames includes the encoded service data and the encoded signaling data, wherein each of signal frames belongs to one of the broadcast services, wherein the static data remain constant in the signal frames belonging to the broadcast service in a duration of a super frame and the dynamic data changes by the signal frames, a modulator for modulating the signal frames by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the modulated signal frames.

Abstract translation: 一种装置，包括用于对与多个数据传输路径中的每一个对应的服务数据进行编码的编码器，用于编码信令数据的编码器，其中所述信令数据包括静态数据和动态数据，用于构建信号帧的帧构建器，其中每个信号 帧包括编码的服务数据和编码的信令数据，其中信号帧中的每一个属于广播服务之一，其中静态数据在超帧的持续时间内属于广播服务的信号帧中保持不变，并且动态 信号帧的数据变化，用于通过OFDM（正交频分复用）方案调制信号帧的调制器和用于发送携带调制信号帧的广播信号的发射机。