公开(公告)号：US09584261B2

公开(公告)日：2017-02-28

申请号：US15180887

申请日：2016-06-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/28 ,  H04L1/00 ,  H04B7/04 ,  H04L27/26 ,  H04H20/72

CPC classification number: H04H20/72 ,  H04B7/0413 ,  H04L1/0071 ,  H04L27/2601 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2637 ,  H04L27/2647 ,  H04L27/2649 ,  H04L27/265

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver 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, wherein the frequency interleaver calculates an interleaving address for the different interleaving-seed based on a main-PRBS sequence and a cyclic shifting value, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.

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：编码服务数据的编码器，交织编码的服务数据的时间交织器;将交织的服务数据映射成多个OFDM（正交频分复用）符号的映射器，以构建至少一个信号帧; 频率交织器通过使用用于由两个顺序OFDM符号组成的每个OFDM符号对使用的不同的交织种子来交织所述至少一个信号帧中的数据，其中所述频率交织器基于一个不同的交织种子计算不同交织种子的交织地址 主PRBS序列和循环移位值，通过OFDM方式调制频率交织数据的调制器和发送具有调制数据的广播信号的发送器，其中基于循环移位值和FFT大小生成交织种子 的调节。

公开(公告)号：US09515863B2

公开(公告)日：2016-12-06

申请号：US14837729

申请日：2015-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00

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 receiver is disclosed. A broadcast signal receiver according to the present invention comprises a synchronization/demodulation module carrying out signal detection and OFDM demodulation on a received broadcast signal; a frame parsing and deinterleaving module parsing and deinterleaving a signal frame of the broadcast signal; a demapping and decoding module converting data of at least one Physical Layer Pipe (PLP) of the broadcast signal into a bit domain and performing FEC decoding on the converted data; and an output processing module receiving data of the at least one PLP and outputting the received data into a data stream.

Abstract translation: 公开了广播信号接收机。 根据本发明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; 帧分析和解交织模块解析和解交织广播信号的信号帧; 解映射和解码模块，将广播信号的至少一个物理层管道（PLP）的数据转换成位域并对转换的数据执行FEC解码; 以及输出处理模块，其接收所述至少一个PLP的数据并将所接收的数据输出到数据流中。

公开(公告)号：US09503167B2

公开(公告)日：2016-11-22

申请号：US14881957

申请日：2015-10-13

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: H04K1/02 ,  H04B7/04 ,  H04L1/00 ,  H04L1/06 ,  H04L27/20 ,  H04B7/10

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：US20160322987A1

公开(公告)日：2016-11-03

申请号：US15182220

申请日：2016-06-14

Applicant: LG ELECTRONICS INC.

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

IPC: H03M13/27 ,  H04L1/00 ,  H03M13/11 ,  H04B7/04 ,  H04L29/06

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H04B7/0413 ,  H04B7/046 ,  H04B7/0606 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0083 ,  H04L1/08 ,  H04L27/2649 ,  H04L65/4076 ,  H04L2001/0093

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; processing, by a framing and interleaving block, the encoded data in the plural PLPs to output at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data.

公开(公告)号：US09479742B2

公开(公告)日：2016-10-25

申请号：US14319883

申请日：2014-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong ,  Jaehyung Kim ,  Byeongkook Jeong

IPC: H04L27/28 ,  H04N19/00 ,  H04L1/00 ,  H04L5/00 ,  H04L1/06

CPC classification number: H04L27/2602 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/2721 ,  H03M13/2906 ,  H03M13/618 ,  H03M13/6362 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L5/0023 ,  H04L27/26 ,  H04L2001/0093 ,  H04N19/30

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, a mapper for mapping the encoded DP data onto constellations, a time interleaver for time interleaving the mapped DP data at DP level, 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，用于将编码的DP数据映射到星座上的映射器，用于在DP电平时间映射的DP数据进行时间交织的时间交织器 ，用于构建包括时间交织的DP数据的至少一个信号帧的帧构建器，用于通过OFDM（正交频分复用）方案来调制内置的至少一个信号帧中的数据的调制器，以及用于发送具有 调制数据。

公开(公告)号：US09397787B2

公开(公告)日：2016-07-19

申请号：US14924199

申请日：2015-10-27

Applicant: LG Electronics Inc.

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

IPC: H04L27/28 ,  H04L1/00 ,  H04L27/26 ,  H04H20/72 ,  H04B7/04

CPC classification number: H04H20/72 ,  H04B7/0413 ,  H04L1/0071 ,  H04L27/2601 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2637 ,  H04L27/2647 ,  H04L27/2649 ,  H04L27/265

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver 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, wherein the frequency interleaver calculates an interleaving address for the different interleaving-seed based on a main-PRBS sequence and a cyclic shifting value, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.

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：编码服务数据的编码器，交织编码的服务数据的时间交织器;将交织的服务数据映射成多个OFDM（正交频分复用）符号的映射器，以构建至少一个信号帧; 频率交织器通过使用用于由两个顺序OFDM符号组成的每个OFDM符号对使用的不同的交织种子来交织所述至少一个信号帧中的数据，其中所述频率交织器基于一个不同的交织种子计算不同交织种子的交织地址 主PRBS序列和循环移位值，通过OFDM方式调制频率交织数据的调制器和发送具有调制数据的广播信号的发送器，其中基于循环移位值和FFT大小生成交织种子 的调节。

公开(公告)号：US09363042B2

公开(公告)日：2016-06-07

申请号：US14728205

申请日：2015-06-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04K1/10 ,  H04L1/00 ,  H04B1/04 ,  H04L27/26 ,  H04B7/04 ,  H04L5/00 ,  H04L12/18

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.

Abstract translation: 公开了一种用于发送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）方案解调所接收的广播信号;帧解析器，用于从解调的 广播信号，其中信号帧包括对应于多个物理路径中的每一个的服务数据，在至少一个信号帧中对时间解交织服务数据的时间去交织器，解码时间解交织服务数据的解码器。

公开(公告)号：US09246730B2

公开(公告)日：2016-01-26

申请号：US14307004

申请日：2014-06-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04L23/02 ,  H04L27/06 ,  H04L27/26 ,  H04L1/00

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding DP data according to a code rate, wherein the encoding further includes LDPC encoding the DP data according to the code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, MIMO (Multi Input Multi Output) encoding the mapped DP data, and time interleaving the MIMO encoded DP data; building at least one signal frame by arranging the encoded DP data; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the step of modulating includes inserting CPs in the built signal frame based on a CP set which includes information about locations of CPs, wherein the CP set is defined based on FFT size.

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方法包括根据码率对DP数据进行编码，其中编码还包括根据码率对DP数据进行LDPC编码，对LDPC编码的DP数据进行比特交织，将位交织的DP数据映射到星座，MIMO （多输入多输出）编码映射的DP数据，以及对MIMO编码的DP数据进行时间交织; 通过布置编码的DP数据构建至少一个信号帧; 以及通过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，其中调制步骤包括基于包括关于CP位置的信息的CP集合在内建信号帧中插入CP，其中CP 基于FFT大小定义集合。

公开(公告)号：US09246635B2

公开(公告)日：2016-01-26

申请号：US14538123

申请日：2014-11-11

Applicant: LG Electronics Inc.

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

IPC: H04L1/00 ,  H04L27/26

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.

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，用于将经编码的服务数据映射成多个OFDM（正交频分复用）符号以构建至少一个信号帧的映射器，用于频率交织数据的频率交织器 所述至少一个信号帧通过使用用于由两个顺序OFDM符号组成的每个OFDM符号对而使用的不同交织种子，用于通过OFDM方案调制频率交织数据的调制器和用于发送具有 调制数据，其中基于循环移位值生成不同的交织种子，并且其中交织种子基于所述调制的FFT大小是可变的。

公开(公告)号：US09219630B2

公开(公告)日：2015-12-22

申请号：US14559364

申请日：2014-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu Mun ,  Jongseob Baek ,  Byounggill Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

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