公开(公告)号：US20180191464A1

公开(公告)日：2018-07-05

申请号：US15741167

申请日：2016-03-18

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong SHIN ,  Jaehyung KIM ,  Sungryong HONG ,  Jongseob BAEK

IPC: H04L1/00

CPC classification number: H04L1/0071 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2608 ,  H04L27/2628 ,  H04L27/2647 ,  H04L27/2692 ,  H04L65/4076 ,  H04L65/607 ,  H04L65/80 ,  H04L2001/0093 ,  H04W72/0446

Abstract: A broadcast signal transmitting device according to an embodiment of the present invention may comprise: an encoder for encoding service data; a frame block for generating at least one signal frame including the encoded service data; a frequency interleaver for frequency interleaving data in at least one signal frame by using an interleaving sequence generated on the basis of a basic interleaving sequence and a symbol offset value; a modulator for modulating the frequency interleaved data by using an OFDM (Orthogonal Frequency Division Multiplex) technique; and a transmitting unit for transmitting broadcast signals including the modulated data.

公开(公告)号：US20180076996A1

公开(公告)日：2018-03-15

申请号：US15694048

申请日：2017-09-01

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: 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: 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 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, wherein 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：US20170163460A1

公开(公告)日：2017-06-08

申请号：US15438221

申请日：2017-02-21

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L1/00

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 receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse at least one signal frame from the demodulated broadcast signals, wherein a signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in the at least one signal frame, a decoder to decode the time deinterleaved service data.

公开(公告)号：US20170149596A1

公开(公告)日：2017-05-25

申请号：US15402796

申请日：2017-01-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L1/00

CPC classification number: H04L27/2605 ,  H03M13/00 ,  H04H40/09 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2602 ,  H04L27/2627 ,  H04L27/2649 ,  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, a time interleaver to interleave the encoded service data, a frame builder to build at least one signal frame including the time interleaved service data, wherein the at least one signal frame includes a plurality of OFDM symbols, 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.

公开(公告)号：US20170134107A1

公开(公告)日：2017-05-11

申请号：US15398281

申请日：2017-01-04

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong CHOI ,  Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG ,  Chulkyu MUN ,  Jaeho HWANG ,  Jongseob BAEK ,  Kookyeon KWAK ,  Sangchul MOON

IPC: H04H20/44 ,  H04L5/00 ,  H04B7/0413 ,  H04L1/00

CPC classification number: H04H20/44 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/10 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L5/0023 ,  H04L27/2046 ,  H04L27/34

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe, DP, data; Low-Density Parity-Check, LDPC, encoding the DP data according to a code rate; bit interleaving the LDPC encoded DP data; mapping the bit interleaved DP data onto constellations according to one of QAM (Quadrature Amplitude Modulation), NUQ (Non-Uniform QAM) or NUC (Non-Uniform Constellation); Multi-Input Multi-Output, MIMO, encoding the mapped DP data by using a MIMO encoding matrix having a MIMO encoding parameter; building at least one signal frame by mapping the MIMO 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：US20170078060A1

公开(公告)日：2017-03-16

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 ,  H04W4/06 ,  H04L27/26

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.

Abstract translation: 公开了一种用于发送广播信号的方法和装置。 用于发送广播信号的装置，该装置包括：编码服务数据的编码器，映射编码服务数据的映射器，时间交织器，对时间交织映射的业务数据，其中根据物理路径的数目执行时间交织， 服务数据，构建器构建包括时间交织的服务数据的至少一个信号帧的调制器，用于通过OFDM（正交频分复用）方案来调制所构建的至少一个信号帧中的数据的调制器，以及发送器 具有调制数据的广播信号。

公开(公告)号：US20170019286A1

公开(公告)日：2017-01-19

申请号：US15085739

申请日：2016-03-30

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04H20/57 ,  H04B7/04

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.

Abstract translation: 公开了广播信号接收机。 根据本发明的实施例的广播信号接收机包括对所接收的广播信号执行信号检测和OFDM解调的同步解调模块; 帧解析和解交织模块，执行广播信号的信号帧的解析和解交织; 解映射模块，其将所述广播信号的至少一个物理层管道（PLP）的数据转换为所述位域并对所转换的PLP数据进行FEC解码; 以及输出处理模块，通过接收所述至少一个PLP数据来输出数据流。

公开(公告)号：US20160294509A1

公开(公告)日：2016-10-06

申请号：US15091404

申请日：2016-04-05

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong SHIN ,  Woosuk KO ,  Jaehyung KIM ,  Jongseob BAEK ,  Sungryong HONG

IPC: H04L1/00 ,  H04L27/26 ,  H04L12/18

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 transmitter. A broadcast signal transmitter according to an embodiment of the present invention includes a first BICM unit configured to FEC-encode the data of a core layer, a second BICM unit configured to FEC-encode the enhanced layer data, an LDM injection unit configured to combine the core layer data and the enhanced layer data and to output Layered Division Multiplexing (LDM) data, a time interleaver configured to time-interleave the LDM data, a framing unit configured to generate a signal frame including a preamble for carrying signaling information and the LDM data, and a waveform generation unit configured to generate a broadcast signal by performing OFDM modulation on the signal frame.

Abstract translation: 这里公开了一种广播信号发射机。 根据本发明实施例的广播信号发射机包括被配置为对核心层的数据进行FEC编码的第一BICM单元，被配置为对增强层数据进行FEC编码的第二BICM单元，被配置为组合的LDM注入单元 核心层数据和增强层数据以及输出层划分多路复用（LDM）数据，被配置为对LDM数据进行时间交织的时间交织器;被配置为生成包括用于承载信令信息的前同步码的信号帧的成帧单元， LDM数据和波形生成单元，被配置为通过对信号帧执行OFDM调制来生成广播信号。

公开(公告)号：US20160234051A1

公开(公告)日：2016-08-11

申请号：US14863899

申请日：2015-09-24

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26

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

Abstract: A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to perform demodulation on the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frequency de-interleaver to frequency de-interleave the demodulated broadcast signals by using a different interleaving sequence, wherein the different interleaving sequence is used for data corresponding to an OFDM symbol pair or data corresponding to an OFDM symbol according to an FFT size of the demodulation, a frame parser to parse at least one signal frame from the frequency de-interleaved broadcast signals and a decoder to decode service data in the parsed at least one signal frame.

Abstract translation: 公开了一种用于接收广播信号的方法和装置。 用于接收广播信号的装置，该装置包括接收广播信号的接收机，解调器，以通过OFDM（正交频分复用）方式对接收到的广播信号进行解调，频率去交织器将频率解交织 通过使用不同的交织序列解调的广播信号，其中根据解调的FFT大小，将不同的交织序列用于对应于OFDM符号对的数据或对应于OFDM符号的数据;帧解析器，用于解析至少一个信号 来自频率去交织的广播信号的帧;以及解码器，用于对解析的至少一个信号帧中的服务数据进行解码。

公开(公告)号：US20160198197A1

公开(公告)日：2016-07-07

申请号：US14909345

申请日：2014-08-14

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/236 ,  H04L5/00 ,  H04N21/438 ,  H04N21/85 ,  H04N21/434 ,  H04N21/6379

CPC classification number: H04N21/236 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2742 ,  H03M13/2906 ,  H04L1/0071 ,  H04L5/0007 ,  H04N7/08 ,  H04N21/234 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/4382 ,  H04N21/6379 ,  H04N21/85

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 symbols to build at least one signal frame, 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.

Abstract translation: 公开了一种用于发送广播信号的方法和装置。 用于发送广播信号的装置包括用于对服务数据进行编码的编码器，用于将编码的服务数据映射成多个OFDM符号以构建至少一个信号帧的映射器，用于调制所构建的至少一个信号帧中的数据的调制器， OFDM（正交频分复用）方案和用于发送具有调制数据的广播信号的发射机。