公开(公告)号：US09614642B2

公开(公告)日：2017-04-04

申请号：US14837957

申请日：2015-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L5/00 ,  H04L12/18 ,  H04L27/26 ,  H04L29/06 ,  H04H20/00

CPC classification number: H04L1/0006 ,  H04H20/00 ,  H04H20/33 ,  H04H20/423 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L12/18 ,  H04L12/1881 ,  H04L27/2602 ,  H04L27/2649 ,  H04L69/22

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 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, a decoder to decode data in the parsed signal frame and an output-processor to output-process the decoded data.

公开(公告)号：US09614595B2

公开(公告)日：2017-04-04

申请号：US14681158

申请日：2015-04-08

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H03K9/00 ,  H03D1/04 ,  H04B1/38 ,  H04B7/0413 ,  H04L1/00 ,  H04L27/26 ,  H04H60/73 ,  H04H60/11

CPC classification number: H04B7/0413 ,  H04H60/11 ,  H04H60/73 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2626 ,  H04L27/2649 ,  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 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 service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in each physical path by a TI (Time Interleaving) block, wherein the time deinterleaver further performs inserting at least one virtual FEC block into at least one TI block of the service data, wherein each TI block includes a variable number of FEC blocks of the service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block and a decoder to decode the time deinterleaved service data.

公开(公告)号：US09608781B2

公开(公告)日：2017-03-28

申请号：US14755168

申请日：2015-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L5/00 ,  H04B7/0413 ,  H04L1/00

CPC classification number: H04L5/0023 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0071 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2637 ,  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.

公开(公告)号：US09602888B2

公开(公告)日：2017-03-21

申请号：US14911414

申请日：2014-08-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/81 ,  H04N7/08 ,  H04N21/61 ,  H04N5/38 ,  H04N21/2383 ,  H04N21/438

CPC classification number: H04N21/814 ,  H04L69/22 ,  H04N5/38 ,  H04N7/08 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/6112 ,  H04N21/615

Abstract: The present invention relates to a broadcast signal transmitting apparatus for transmitting a broadcast signal, a broadcast signal receiving apparatus for receiving a broadcast signal, and a method for transmitting and receiving a broadcast signal. A broadcast signal transmitting method according to the present invention may comprise the steps of: encoding data pipe (DP) data corresponding to each of a plurality of DPs that transmit one or more service components; mapping the encoded DP data to data symbols to generate one or more signal frames; modulating data existing in the one or more signal frames through an OFDM scheme; and transmitting a broadcast signal having the modulated data.

公开(公告)号：US09602321B2

公开(公告)日：2017-03-21

申请号：US14797948

申请日：2015-07-13

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04L1/06

CPC classification number: H04L27/2649 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/04 ,  H04L1/0625 ,  H04L1/0631 ,  H04L5/0007 ,  H04L5/0044 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2628 ,  H04W72/0446

Abstract: Disclosed herein is a method of receiving a broadcast signal. The method comprises receiving the broadcast signal; an Orthogonal Frequency Division Multiplexing (OFDM) demodulating on the received broadcast signal; parsing at least one signal frame from the demodulated broadcast signal to extract service data or service component data; converting the service data or service component data into bits; decoding the converted bits; and outputting a data stream comprising the decoded bits.

公开(公告)号：US09590781B2

公开(公告)日：2017-03-07

申请号：US14911644

申请日：2014-08-12

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L27/2626 ,  H04L1/0009 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0065 ,  H04L1/007 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0048 ,  H04L7/0278 ,  H04L27/2614 ,  H04L2001/0093

Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention may comprise the steps of: encoding data pipe (DP) data corresponding to each of a plurality of DPs which transmit at least one service or service component; generating at least one signal frame by mapping the encoded DP data to data symbols; modulating data present in the at least one signal frame by means of an OFDM scheme; and transmitting a broadcast signal including the modulated data.

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：对与发送至少一个服务或服务组件的多个DP中的每一个对应的数据管道（DP）数据进行编码; 通过将编码的DP数据映射到数据符号来生成至少一个信号帧; 通过OFDM方案调制存在于所述至少一个信号帧中的数据; 以及发送包括调制数据的广播信号。

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：US20160360269A1

公开(公告)日：2016-12-08

申请号：US15113997

申请日：2015-02-06

Applicant: LG ELECTRONICS INC.

Inventor： Seungjoo An ,  Kyoungsoo Moon ,  Jinwon Lee ,  Woosuk Ko ,  Sungryong Hong ,  Sejin Oh

IPC: H04N21/462 ,  H04N21/2668 ,  H04N21/858 ,  H04N21/475 ,  H04N21/643 ,  H04N21/482 ,  H04N21/258 ,  H04N21/454

CPC classification number: H04N21/462 ,  H04N21/2362 ,  H04N21/25891 ,  H04N21/2668 ,  H04N21/4345 ,  H04N21/4431 ,  H04N21/454 ,  H04N21/458 ,  H04N21/4755 ,  H04N21/4758 ,  H04N21/4821 ,  H04N21/4826 ,  H04N21/64322 ,  H04N21/658 ,  H04N21/8586

Abstract: The present invention provides a method of providing interactive services or contents. The method includes, receiving a ESG (Enhancement Service Guide) information including preference criteria indicating characteristics of the interactive services or contents for recommending the user the interactive services or contents based on user's personal interests, receiving a PDI (Profiles, Demographics, Interests) table via broadcast signals, wherein the PDI table includes plural PDI questions related to user's personal interests for interactive contents, wherein each of the PDI questions has a question ID identifying a PDI question, obtaining an answer for at least one of the PDI questions, storing the obtained answer in the PDI table, determining recommendation interactive services or contents by comparing the preference criteria with the obtained answer and presenting the determined recommendation interactive services or contents in ESG.

Abstract translation: 本发明提供一种提供交互式服务或内容的方法。 该方法包括：接收ESG（增强服务指南）信息，其包括表示交互式服务的特征的偏好标准或用于基于用户的个人兴趣向用户推荐交互式服务或内容的内容，接收PDI（个人资料，人口特征，兴趣）表 通过广播信号，其中PDI表包括与用户对于交互式内容的个人兴趣相关的多个PDI问题，其中每个PDI问题具有识别PDI问题的问题ID，获得至少一个PDI问题的答案， 在PDI表中获得答案，通过将偏好标准与获得的答案进行比较来确定推荐交互式服务或内容，并在ESG中呈现确定的推荐交互式服务或内容。

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：US09515862B2

公开(公告)日：2016-12-06

申请号：US14618725

申请日：2015-02-10

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Sungryong Hong ,  Woosuk Ko

IPC: H04L1/02 ,  H04L27/26 ,  H04L1/00 ,  H04L1/06 ,  H04L5/00

CPC classification number: H04L27/2627 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0084 ,  H04L1/06 ,  H04L5/0044 ,  H04L27/2626 ,  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 input formatter for input formatting input streams, wherein the input formatting includes a divider for dividing the input streams into each data transmission path including one or multiple service or service component, wherein each of the input streams includes at least one IP (Internet Protocol) packet having a variable length, wherein each IP packet includes a packet header and a packet payload, a compressor for compressing each the packet header, an encoder for encoding data in the each data transmission path, a frame builder for building at least one signal frame, wherein each the signal frame includes the encoded data and a signaling data and a modulator for modulating at least one of the signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme.

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，该装置包括用于输入格式化输入流的输入格式化器，其中输入格式化包括用于将输入流分成包括一个或多个服务或服务组件的每个数据传输路径的分频器，其中每个输入 流包括具有可变长度的至少一个IP（因特网协议）分组，其中每个IP分组包括分组报头和分组有效载荷，用于压缩每个分组报头的压缩器，用于对每个数据传输路径中的数据进行编码的编码器， 用于构建至少一个信号帧的帧构建器，其中每个信号帧包括编码数据和用于通过OFDM（正交频分复用）方案来调制信号帧中的至少一个的信令数据和调制器。