公开(公告)号：US09614760B2

公开(公告)日：2017-04-04

申请号：US14495386

申请日：2014-09-24

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Timothy Laud ,  Sungryong Hong

IPC: H04L12/28 ,  H04L12/741 ,  H04L27/26 ,  H04L25/02 ,  H04N21/238 ,  H04N21/2383 ,  H04N21/438 ,  H04B7/0413

CPC classification number: H04L47/32 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0044 ,  H04L12/18 ,  H04L25/02 ,  H04L27/2627 ,  H04L27/2655 ,  H04L27/2692 ,  H04L45/74 ,  H04L65/602 ,  H04L2001/0093 ,  H04N21/238 ,  H04N21/2383 ,  H04N21/4382

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, processing input streams into BB (Base Band) frames of PLPs (Physical Layer Pipes), wherein the input streams include a plurality of input packets, wherein each of the input packets include a packet header including information about synchronization of the input streams, wherein the processing input streams into BB frames further includes compressing the packet headers of the input packets in the input streams, generating the BB frames by using the compressed input packets; encoding data of the PLPs; 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：US09609628B2

公开(公告)日：2017-03-28

申请号：US14278431

申请日：2014-05-15

Applicant: LG Electronics Inc.

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

IPC: H04H20/71 ,  H04W72/00 ,  H04L5/00 ,  H04L29/06 ,  H04L27/26 ,  H04H20/72 ,  H04L1/00 ,  H04L1/06 ,  H04W28/06

CPC classification number: H04W72/005 ,  H04H20/72 ,  H04L1/0033 ,  H04L1/0036 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L27/2601 ,  H04L69/04 ,  H04W28/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an input formatter to format at least one input stream to output 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 or at least one service component, an encoder to encode the DP data, a mapper to map the encoded DP data onto constellations, a time interleaver to time interleave the mapped DP data, a frame builder to build at least one signal frame including the time interleaved DP 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.

公开(公告)号：US09577861B2

公开(公告)日：2017-02-21

申请号：US14759604

申请日：2014-05-09

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: H04H20/71 ,  H04L27/26 ,  H04L1/00 ,  H04L27/34 ,  H04B7/04 ,  H03M13/11 ,  H03M13/15 ,  H03M13/27 ,  H03M13/29

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.

Abstract translation: 本发明提供一种发送广播信号的方法。 根据本发明的用于发送广播信号的方法可以包括以下步骤：将输入流格式化成多个数据管道（DP）; 根据每个DP的码率对多个DP进行编码数据; 通过映射所述多个DP的编码数据来生成至少一个信号帧; 并以正交频分复用（OFDM）方式调制所生成的信号帧的数据，并发送包括调制信号帧的数据的广播信号。

公开(公告)号：US09571240B2

公开(公告)日：2017-02-14

申请号：US14549126

申请日：2014-11-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04L5/00 ,  H04L1/00 ,  H04W4/06

CPC classification number: H04L27/2613 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2628 ,  H04L2001/0093 ,  H04W4/06

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes encoding service data of Physical Layer Pipes (PLPs); bit interleaving the encoded service data; building at least one signal frame including the bit interleaved service data; and modulating data in the at least one signal frame by Orthogonal Frequency Division Multiplexing (OFDM) method; inserting a preamble at a beginning of each of the at least one signal frame after the modulating step; and transmitting the broadcast signals having the modulated data, wherein the preamble includes information for a size of Fast Fourier Transform (FFT), a guard interval and a pilot mode, wherein the preamble includes two OFDM symbols, and wherein each of the two OFDM symbols in the preamble includes information for an emergency alert.

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括编码物理层管道（PLP）的服务数据; 编码服务数据; 构建包括所述位交织的服务数据的至少一个信号帧; 以及通过正交频分复用（OFDM）方法调制所述至少一个信号帧中的数据; 在所述调制步骤之后的所述至少一个信号帧的每个的开始处插入前导码; 并且发送具有调制数据的广播信号，其中前导码包括用于快速傅里叶变换（FFT），保护间隔和导频模式的大小的信息，其中前导码包括两个OFDM符号，并且其中两个OFDM符号 在前序部分中包括用于紧急警报的信息。

公开(公告)号：US09571127B2

公开(公告)日：2017-02-14

申请号：US14906415

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/02 ,  H03M13/27 ,  H04L1/00 ,  H04L27/26 ,  H04B7/04 ,  H03M13/00 ,  H04L12/18 ,  H04L5/00

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.

Abstract translation: 本发明提供了一种发送广播信号的方法，该方法包括：对服务数据进行编码，通过映射编码业务数据构建至少一个信号帧，通过正交频分复用OFDM调制内建的至少一个信号帧中的数据 并且发送具有调制数据的广播信号。

公开(公告)号：US09553653B2

公开(公告)日：2017-01-24

申请号：US14722658

申请日：2015-05-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/02 ,  H04B7/12 ,  H04L1/00 ,  H04L5/00 ,  H04L27/14 ,  H04L27/26 ,  H04L27/12

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 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 a signal frame from the demodulated broadcast signals, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped 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，用OFDM（正交频分复用）方案解调所接收的广播信号;解码器，用于从解调的广播信号中解码信号帧 ，其中所述信号帧包括至少一个服务数据，时间去交织器，用于对每个所述服务数据进行时间解交织，其中根据每个所述服务数据的物理路径的数量来执行所述时间去交织;篡改所述时间解交织数据 以及解码器来对解映射的服务数据进行解码。

公开(公告)号：US09544174B2

公开(公告)日：2017-01-10

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.

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（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。

公开(公告)号：US09537696B2

公开(公告)日：2017-01-03

申请号：US14989487

申请日：2016-01-06

Applicant: LG Electronics Inc.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/00 ,  H04L27/26 ,  H04L29/06 ,  H04N21/20 ,  H04N21/2383 ,  H04H20/33 ,  H04H20/42 ,  H04W28/06

CPC classification number: H04L27/2602 ,  H04H20/33 ,  H04H20/42 ,  H04L5/0023 ,  H04L27/2627 ,  H04L27/2649 ,  H04L65/60 ,  H04L65/607 ,  H04N21/20 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04W28/065

Abstract: Disclosed herein is a method for sending a broadcast signal. The method includes formatting input streams into multiple data pipes (DPs). Formatting the input streams into the multiple DPs includes splitting the input streams into multiple data streams, deleting a null packet included in a data stream, and forming a baseband frame (BBF) by adding a header to the data stream. The baseband frame includes a deleted null packet (DNP) field indicative of the number of deleted null packets, and the DNP field comprises at least one of a first DNP or a second DNP.

Abstract translation: 这里公开了一种用于发送广播信号的方法。 该方法包括将输入流格式化为多个数据管道（DP）。 将输入流格式化为多个DP包括将输入流分割成多个数据流，删除数据流中包含的空分组，以及通过向数据流添加报头来形成基带帧（BBF）。 基带帧包括指示被删除的空分组的数量的删除的空分组（DNP）字段，并且该DNP字段包括第一DNP或第二DNP中的至少一个。

公开(公告)号：US09525515B2

公开(公告)日：2016-12-20

申请号：US14841957

申请日：2015-09-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04L12/18 ,  H04L5/00 ,  H04W4/06 ,  H03M13/11 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H03M13/00 ,  H03M13/15 ,  H03M13/09

CPC classification number: H04L1/0057 ,  A61M5/007 ,  A61M25/007 ,  A61M25/0108 ,  A61M25/10185 ,  A61M2025/105 ,  A61M2025/1052 ,  A61M2025/1081 ,  H03M13/09 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/253 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H03M13/618 ,  H03M13/6356 ,  H03M13/6362 ,  H04L1/0041 ,  H04L1/0071 ,  H04L5/0053 ,  H04L12/18 ,  H04L12/1886 ,  H04L2001/0093 ,  H04W4/06

Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a constellation mapper for symbol-demapping by using the signaling information as LLR values; a bit deinterleaver for bit multiplexing and block deinterleaving of the signaling information; an FEC decoder for FEC decoding the signaling information; and a descrambler for descrambling the signaling information.

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：通过使用信令信息作为LLR值的符号解映射的星座映射器; 用于位复用和块解交织信令信息的一个去交织器; 用于对信令信息进行FEC解码的FEC解码器; 以及用于解扰信令信息的解扰器。

公开(公告)号：US20160261447A1

公开(公告)日：2016-09-08

申请号：US15153282

申请日：2016-05-12

Applicant: LG Electronics Inc.

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

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04J13/00 ,  H04B7/04 ,  H04L29/06 ,  H04H20/59

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.

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编码携带至少一个服务的DP（数据管道）数据，将编码的DP数据映射到星座上，对映射的DP数据进行时间交织，构建包括时间交织的DP数据的至少一个信号帧，调制数据 在通过OFDM方案构建的至少一个信号帧中，并发送具有调制数据的广播信号，其中至少一个信号帧包括紧急警报信息。