公开(公告)号：US10057101B2

公开(公告)日：2018-08-21

申请号：US15496973

申请日：2017-04-25

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04J11/00 ,  H04L5/00 ,  H04N21/236 ,  H04L27/36 ,  H04N21/234

CPC classification number: H04L27/2627 ,  H04J11/00 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/04 ,  H04L1/0625 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/365 ,  H04N21/234 ,  H04N21/236

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.

公开(公告)号：US09992656B2

公开(公告)日：2018-06-05

申请号：US15452335

申请日：2017-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Woochan Kim ,  Sungryong Hong ,  Woosuk Ko ,  Jaeho Hwang ,  Byounggill Kim ,  Jaehyung Kim

IPC: H04B7/02 ,  H04L1/02 ,  H04W4/22 ,  H03M13/11 ,  H03M13/27 ,  H04B7/0413 ,  H04L27/26 ,  H04W4/06 ,  H03M13/25 ,  H03M13/29 ,  H03M13/00 ,  H04W52/02 ,  H04L5/00 ,  H04W76/04 ,  H04L12/18 ,  H03M13/09 ,  H03M13/15

CPC classification number: H04W4/90 ,  H03M13/09 ,  H03M13/1165 ,  H03M13/1177 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2792 ,  H03M13/2906 ,  H03M13/6356 ,  H03M13/6362 ,  H04B7/0413 ,  H04L5/0007 ,  H04L12/189 ,  H04L27/2601 ,  H04L27/2627 ,  H04W4/06 ,  H04W52/0229 ,  H04W76/27 ,  Y02D70/00

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding data of PLPs (Physical Layer Pips); building at least one signal frame by mapping the encoded data of the PLPs; and modulating data in the built signal frame by OFDM (Orthogonal Frequency Division Multiplexing) method and transmitting the broadcast signals having the modulated data.

公开(公告)号：US09992003B2

公开(公告)日：2018-06-05

申请号：US15798142

申请日：2017-10-30

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04L29/06 ,  H04L27/26

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04H20/59 ,  H04H20/72 ,  H04J13/0062 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0026 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L65/4076 ,  H04L65/80

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the time interleaved DP data, modulating data in the built at least one signal frame by an OFDM scheme and transmitting the broadcast signals having the modulated data, wherein the at least one signal frame includes emergency alert information.

公开(公告)号：US09929831B2

公开(公告)日：2018-03-27

申请号：US14156966

申请日：2014-01-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/02 ,  H04L1/02 ,  H04L1/00 ,  H04L1/06 ,  H04L27/26 ,  H04L1/08

CPC classification number: H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0625 ,  H04L1/0631 ,  H04L1/08 ,  H04L27/2607 ,  H04L27/2613 ,  H04L2001/0093

Abstract: The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding Data Pipe, DP, data, wherein the encoding further includes Forward Error Correction, FEC, encoding the DP data, Bit interleaving the FEC encoded DP data and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the at least one built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data, wherein each of the at least one signal frame includes at least one preamble having repeated at least one signaling information.

公开(公告)号：US20170230162A1

公开(公告)日：2017-08-10

申请号：US15443383

申请日：2017-02-27

Applicant: LG Electronics Inc.

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

IPC: H04L5/00 ,  H04L27/26 ,  H04L29/06

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04H20/59 ,  H04H20/72 ,  H04J13/0062 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0026 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L65/4076 ,  H04L65/80

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the time interleaved DP data, modulating data in the built at least one signal frame by an OFDM scheme and transmitting the broadcast signals having the modulated data, wherein the at least one signal frame includes emergency alert information.

公开(公告)号：US09577859B2

公开(公告)日：2017-02-21

申请号：US14970171

申请日：2015-12-15

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: H04L27/26 ,  H04L1/00 ,  H04L5/00

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：US09537698B2

公开(公告)日：2017-01-03

申请号：US15064199

申请日：2016-03-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/00 ,  H04L27/26 ,  H04N21/234 ,  H04N21/2383 ,  H04N21/438 ,  H04B7/04 ,  H04H20/42 ,  H04H20/71 ,  H04H60/07 ,  H04B7/06 ,  H04N21/2362 ,  H04N7/08

CPC classification number: H04L27/2627 ,  H04B7/0413 ,  H04B7/06 ,  H04H20/42 ,  H04H20/71 ,  H04H60/07 ,  H04L5/0044 ,  H04L25/03242 ,  H04L25/03891 ,  H04L27/00 ,  H04L27/2602 ,  H04L27/2634 ,  H04L27/2649 ,  H04N7/08 ,  H04N21/234 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/4382

Abstract: An apparatus for transmitting broadcast signals includes an encoder for encoding service data corresponding to each of a plurality of transmission unit. Each of a plurality of transmission unit carries at least one service component, a frame builder for building at least one signal frame including the encoded service data, a phase distortion unit for performing a phase distortion on data in the built 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 including the modulated data.

Abstract translation: 用于发送广播信号的装置包括：编码器，用于对与多个传输单元中的每一个对应的服务数据进行编码。 多个传输单元中的每一个承载至少一个服务组件，用于构建至少一个包括编码服务数据的信号帧的帧构建器，用于对内置的至少一个信号帧中的数据执行相位失真的相位失真单元， 调制器，用于通过OFDM（正交频分复用）方案调制所构建的至少一个信号帧中的数据，以及用于发送包括调制数据的广播信号的发射机。

公开(公告)号：US09391725B2

公开(公告)日：2016-07-12

申请号：US14271734

申请日：2014-05-07

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: H04L27/26 ,  H04H20/71 ,  H04N21/2383 ,  H04N21/438 ,  H04H60/07 ,  H04H60/73

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 Data Pipe (DP) data corresponding to each of a plurality of DPs, wherein 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 (TI) 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 Orthogonal Frequency Division Multiplex (OFDM) 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中的每一个对应的数据管道（DP）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，用于将经编码的DP数据映射到星座上的映射器 时间交织器，用于通过跳过具有零数据的DP数据的小区来对DP级别的映射的DP数据进行时间交织（TI）;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，用于调制数据的调制器 在通过正交频分复用（OFDM）方案构建的至少一个信号帧中，以及用于发送具有调制数据的广播信号的发射机。