公开(公告)号：US20170180080A1

公开(公告)日：2017-06-22

申请号：US15449530

申请日：2017-03-03

Applicant: LG ELECTRONICS INC.

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

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

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: A broadcast signal receiver is provided. The broadcast signal receiver comprises a demodulator configured to demodulate a received broadcast signal, a frame parser configured to parse a signal frame of the demodulated broadcast signal, the signal frame comprising a preamble and Layered Division Multiplexing (LDM) data, and the preamble carrying signaling information, a time deinterleaver configured to time deinterleave the LDM data, a first demapping/decoding unit configured to obtain core layer data by demapping and Forward Error Correction (FEC)-decoding the LDM data, an interference removal unit configured to remove the core layer data from the LDM data and to output enhanced layer data, a second demapping/decoding unit configured to demap and FEC-decode the enhanced layer data, and an output processor configured to process at least one of the core layer data or the enhanced layer data and to output a data stream.

公开(公告)号：US20170111200A1

公开(公告)日：2017-04-20

申请号：US15391589

申请日：2016-12-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04H20/71 ,  H04B7/04 ,  H04L1/00 ,  H04L27/34

CPC classification number: H04L27/2637 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/27 ,  H03M13/2906 ,  H04B7/0413 ,  H04H20/71 ,  H04L1/0009 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0054 ,  H04L1/0063 ,  H04L1/0064 ,  H04L1/0071 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/3494

Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting the broadcast signal according to the present invention may comprise the steps of: formatting input streams into multiple data pipes (DPs); encoding data of the multiple DPs according to a code rate for each DP; generating at least one signal frame by mapping the encoded data of the multiple DPs; and modulating data of the generated signal frame in an orthogonal frequency division multiplexing (OFDM) scheme, and transmitting the broadcast signal including data of the modulated signal frame.

公开(公告)号：US20170099171A1

公开(公告)日：2017-04-06

申请号：US15379150

申请日：2016-12-14

Applicant: LG Electronics Inc.

Inventor： Jinwoo KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Jaeho HWANG ,  Jongwoong SHIN ,  Woosuk KO

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

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H04L1/0013 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0064 ,  H04L1/0068 ,  H04L1/0071 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/2601 ,  H04N5/00 ,  H04N5/067

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 corresponding to each of a plurality of data transmission units, an encoder for encoding physical signaling data by a shortening scheme and a puncturing scheme, a mapper for mapping the encoded service data onto constellations, a frame builder for building at least one signal frame including preamble data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.

公开(公告)号：US20170026141A1

公开(公告)日：2017-01-26

申请号：US15289658

申请日：2016-10-10

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 ,  H04L27/20 ,  H04L1/00 ,  H04L27/34 ,  H04B7/04

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.

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括将输入流格式化为数据管道，DP，数据; 低密度奇偶校验LDPC，根据码率对DP数据进行编码; 比特交织LDPC编码的DP数据; 根据QAM（正交幅度调制），NUQ（Non-Uniform QAM）或NUC（Non-Uniform Constellation）之一将位交织的DP数据映射到星座上; 多输入多输出MIMO，通过使用具有MIMO编码参数的MIMO编码矩阵对映射的DP数据进行编码; 通过映射MIMO编码的DP数据构建至少一个信号帧; 以及通过正交频分复用OFDM方法调制内置信号帧中的数据，并发送具有调制数据的广播信号。

公开(公告)号：US20160323051A1

公开(公告)日：2016-11-03

申请号：US15182481

申请日：2016-06-14

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Kookyeon KWAK ,  Byounggill KIM ,  Woochan Kim ,  Sungryong HONG ,  Woosuk KO ,  Sangchul MOON ,  Chulkyu MUN ,  Jongwoong SHIN ,  Jaehyung KIM

IPC: H04H20/71 ,  H04L27/26 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04H20/71 ,  H04H60/07 ,  H04H60/73 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2627 ,  H04L27/2649 ,  H04N21/2383 ,  H04N21/4382

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding DP (Data Pipe) data corresponding to each of a plurality of DPs, wherein the each of a plurality of DPs carries at least one service component, a mapper for mapping the encoded DP data onto constellations, a time interleaver for time interleaving the mapped DP data at DP level by skipping cells having zero values of the DP data, a frame builder for building at least one signal frame including the time interleaved DP 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.

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与多个DP中的每一个对应的DP（数据管道）数据进行编码的编码器，其中，多个DP中的每一个携带至少一个服务组件，映射器，用于将编码的DP数据映射到 星座，时间交织器，用于通过跳过具有零值的DP数据的DP电平来对DP位置上的映射DP数据进行时间交织;构建器，用于构建至少一个包括时间交织的DP数据的信号帧;调制器， 通过OFDM（正交频分复用）方案构建至少一个信号帧，以及用于发送具有调制数据的广播信号的发射机。

公开(公告)号：US20160294598A1

公开(公告)日：2016-10-06

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: H04L27/26 ,  H04L12/18 ,  H04L1/00 ,  H04B1/10

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.

Abstract translation: 这里公开的是广播信号接收机。 根据本发明实施例的广播信号接收机包括一个同步和解调单元，被配置为对接收到的信号执行信号检测和OFDM解调，配置成解析接收到的信号的信号帧的帧解析器，配置的时间解交织单元 去交织LDM数据，第一解映射/解码单元，被配置为通过对LDM数据进行解映射和FEC解码来获得核心层的数据;干扰去除单元，被配置为从LDM数据中移除核心层数据并输出数据 以及被配置为对所述增强层数据进行解映射和FEC解码的第二解映射/解码单元。

公开(公告)号：US20160286525A1

公开(公告)日：2016-09-29

申请号：US14918350

申请日：2015-10-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/00 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04L27/265 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0071 ,  H04L5/0023 ,  H04L5/005 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2647 ,  H04L27/2655 ,  H04L27/2665 ,  H04W72/005

Abstract: A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to the present invention comprises an input formatting module configured to de-multiplex an input stream into at least one PLP (Physical Layer Pipe); a BICM (Bit Interleaved Coded Modulation) module configured to perform error correction processing on the data of the least one PLP; a frame building module configured to generate a signal frame including the at least one PLP; a waveform generating module configured to generate the broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation.

Abstract translation: 公开了广播信号发射机。 根据本发明的广播信号发射机包括被配置为将输入流解复用为至少一个PLP（物理层管道）的输入格式化模块; BICM（比特交错编码调制）模块，被配置为对所述至少一个PLP的数据执行纠错处理; 帧建立模块，被配置为生成包括所述至少一个PLP的信号帧; 波形生成模块，被配置为通过在所述信号帧中插入前导码并执行OFDM调制来生成所述广播信号。

公开(公告)号：US20160226687A1

公开(公告)日：2016-08-04

申请号：US15014838

申请日：2016-02-03

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Chulkyu MUN ,  Sungryong HONG

IPC: H04L27/26

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 onePhysical 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：US20160149739A1

公开(公告)日：2016-05-26

申请号：US14948729

申请日：2015-11-23

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jongseob BAEK ,  Byounggill KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L1/00 ,  H04W4/06

CPC classification number: H04L27/2602 ,  H03M13/156 ,  H03M13/6519 ,  H04L1/0042 ,  H04L1/0047 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2628 ,  H04L27/265 ,  H04W4/06

Abstract: An apparatus for transmitting a broadcast signal includes an input formatting module configured to de-multiplex an input stream into at least one Data Pipe (DP); a BICM module configured to perform error correction processing on data of the at least one DP; a signal frame building module configured to map the data of the DP to symbols within a signal frame; and an OFDM generation module configured to generate a transmission broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation. The OFDM generation module includes a pilot signal insertion module configured to insert a pilot signal including Continual Pilots (CP) and Scattered Pilots (SP) into the transmission broadcast signal, and the CPs are inserted into every symbol of the signal frame, and location and number of the CPs are determined based on a Fast Fourier Transform (FFT) size.

Abstract translation: 用于发送广播信号的装置包括：输入格式化模块，被配置为将输入流解复用为至少一个数据管道（DP）; BICM模块，被配置为对所述至少一个DP的数据执行纠错处理; 信号帧构建模块，被配置为将所述DP的数据映射到信号帧内的符号; 以及OFDM生成模块，被配置为通过在所述信号帧中插入前导码并执行OFDM调制来生成发送广播信号。 OFDM生成模块包括导频信号插入模块，该导频信号插入模块被配置为将包括连续导频（CP）和散射导频（SP）的导频信号插入到传输广播信号中，并且将CP插入到信号帧的每个符号中， 基于快速傅里叶变换（FFT）大小来确定CP的数量。

公开(公告)号：US20160112234A1

公开(公告)日：2016-04-21

申请号：US14982685

申请日：2015-12-29

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L27/2627 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/04 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2604 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2633 ,  H04L27/2647 ,  H04L27/265

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.