公开(公告)号：US09548807B2

公开(公告)日：2017-01-17

申请号：US14723098

申请日：2015-05-27

Applicant: LG ELECTRONICS INC.

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

IPC: 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 transmitting broadcast signals, the apparatus comprises an encoder to encode service data, a mapper to map the encoded service data, a time interleaver to time interleave the mapped service data, wherein the time interleaving is performed depending on number of physical paths for the service data, a frame builder to build at least one signal frame including the time interleaved service 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.

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：编码服务数据的编码器，映射编码服务数据的映射器，时间交织器，对时间交织映射的业务数据，其中根据物理路径的数目执行时间交织， 服务数据，构建器构建包括时间交织的服务数据的至少一个信号帧的调制器，用于通过OFDM（正交频分复用）方案来调制所构建的至少一个信号帧中的数据的调制器，以及发送器 具有调制数据的广播信号。

公开(公告)号：US09544088B2

公开(公告)日：2017-01-10

申请号：US14663144

申请日：2015-03-19

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Ko ,  Seoyoung Baek ,  Sangchul Moon

IPC: H04L27/00 ,  H04L1/00 ,  H04L27/26 ,  H04N21/236 ,  H04H20/71 ,  H04N21/2343 ,  H04L1/06 ,  H04L5/00

CPC classification number: H04L1/0041 ,  H04H20/71 ,  H04L1/004 ,  H04L1/007 ,  H04L1/0071 ,  H04L1/0618 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0091 ,  H04L27/2602 ,  H04L27/2605 ,  H04L27/2613 ,  H04N21/234327 ,  H04N21/23614

Abstract: Disclosed are a broadcast signal transmitter, a broadcast signal receiver, and a method for transceiving a broadcast signal in the broadcast signal transmitter/receiver. A method for transmitting a broadcast signal comprises the following steps: signaling in-band signaling information to at least one of a service component physical layer pipe (PLP) including at least one service component of a broadcast service, a first information PLP including first service information applied to one broadcast service and a second information PLP including second service information applied commonly to a variety of broadcast services; performing the FEC encoding on data included in each PLP; performing time-interleaving on the FEC encoded data; generating a transmission frame including the time-interleaved data; and modulating the transmission frame and transmitting a broadcast signal including the modulated transmission frame.

Abstract translation: 公开了一种广播信号发射机，广播信号接收机和广播信号发射机/接收机中的收发广播信号的方法。 用于发送广播信号的方法包括以下步骤：向包括广播服务的至少一个服务组件的服务组件物理层管道（PLP）中的至少一个发送带内信令信息，包括第一服务的第一信息PLP 应用于一个广播服务的信息和包括共同应用于各种广播服务的第二服务信息的第二信息PLP; 对包含在每个PLP中的数据执行FEC编码; 对FEC编码数据执行时间交织; 生成包括所述时间交织数据的传输帧; 并调制发送帧并发送包括调制后的发送帧的广播信号。

公开(公告)号：US09521652B2

公开(公告)日：2016-12-13

申请号：US14198454

申请日：2014-03-05

Applicant: LG Electronics Inc.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Woosuk Ko

IPC: H04W72/00 ,  H04H20/72 ,  H04L1/00 ,  H04W28/06 ,  H04L29/06

CPC classification number: H04W72/005 ,  H04H20/72 ,  H04L1/0042 ,  H04L1/0072 ,  H04L65/4076 ,  H04L65/607 ,  H04L69/04 ,  H04L2001/0093 ,  H04W28/06 ,  H04W28/065

Abstract: Disclosed are a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in the broadcast signal transmitting and receiving apparatuses. The broadcast signal transmitting method comprises the steps of: compressing headers of data packets which are included in an Internet protocol (IP) stream identified by access information, wherein the compressed data packets include a first packet containing both static information and dynamic information in the header thereof, and a second packet containing dynamic information in the header thereof; splitting the static information from the header of the first packet and diverting the remaining part thereof into the second packet; outputting an IP stream, which includes the second packet, via a data physical layer pipe (PLP); outputting, via a common PLP, a common stream, which includes the static information of the header of the first packet split in the previous step, compression information and IP-PLP mapping information for linking the IP stream and the data PLP; generating a signal frame on the basis of the data from the data PLP and the data of the common PLP; and transmitting a broadcast signal which includes the signal frame.

Abstract translation: 广播信号发送接收装置中广播信号发送装置，广播信号接收装置以及广播信号收发方法。 广播信号发送方法包括以下步骤：压缩包含在由接入信息识别的因特网协议（IP）流中的数据分组的报头，其中压缩数据分组包括包含报头中的静态信息和动态信息的第一分组 以及包含其报头中的动态信息的第二分组; 从第一分组的报头拆分静态信息，并将其剩余部分转移到第二分组中; 通过数据物理层管道（PLP）输出包括第二分组的IP流; 通过公共PLP输出公共流，其包括前一步骤中分割的第一分组的报头的静态信息，用于链接IP流和数据PLP的压缩信息和IP-PLP映射信息; 基于来自数据PLP的数据和公共PLP的数据生成信号帧; 并发送包括信号帧的广播信号。

公开(公告)号：US09432308B2

公开(公告)日：2016-08-30

申请号：US14930149

申请日：2015-11-02

Applicant: LG Electronics Inc.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Joonhui Lee ,  Woosuk Ko

IPC: H03M13/00 ,  H04L12/935 ,  H04L12/741 ,  H04L5/00

CPC classification number: H04W28/06 ,  H04B7/0413 ,  H04H60/07 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/122 ,  H04L27/2601 ,  H04L27/2627 ,  H04L45/745 ,  H04L49/3009 ,  H04L69/04 ,  H04L69/16 ,  H04L69/323 ,  H04N21/2362 ,  H04N21/2389 ,  H04N21/64322 ,  H04W72/005 ,  H04W72/0446

Abstract: Disclosed is a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in a broadcast signal transceiving apparatus. The broadcast signal transmitting method comprises the following steps: compressing the headers of data packets of an IP stream identified by IP address information, wherein the compressed data packets include a first packet, the header of which contains static field information, a second packet, the header of which contains dynamic field information, and a third packet, the header of which contains the compressed static field information and/or the compressed dynamic field information; signaling IP-PLP mapping information for mapping the IP stream and a component PLP for transmitting the IP stream, the IP stream compression information, and the header information of the first packet to L2 signaling information; and transmitting the header information of the second and third packets via the component PLP, and transmitting the L2 signaling information via a common PLP.

Abstract translation: 公开了广播信号收发装置中的广播信号发送装置，广播信号接收装置和广播信号收发方法。 广播信号发送方法包括以下步骤：压缩由IP地址信息识别的IP流的数据分组的报头，其中压缩数据分组包括第一分组，其首标包含静态字段信息，第二分组，第二分组， 其头部包含动态字段信息，以及第三分组，其头部包含压缩静态字段信息和/或压缩动态字段信息; 用于将IP流映射的IP-PLP映射信息和用于发送IP流的组件PLP，第一分组的IP流压缩信息和头信息到L2信令信息; 以及经由分量PLP发送第二和第三分组的报头信息，以及经由公共PLP发送L2信令信息。

公开(公告)号：US09432233B2

公开(公告)日：2016-08-30

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: H04K1/10 ,  H04L27/26 ,  H04W4/06 ,  H04L1/00

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.

公开(公告)号：US20160248548A1

公开(公告)日：2016-08-25

申请号：US15147207

申请日：2016-05-05

Applicant: LG Electronics Inc.

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

IPC: H04L1/00 ,  H04L5/00

CPC classification number: H04L27/265 ,  H03M13/00 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649 ,  H04L2001/0093

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 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, wherein the frequency interleaving is performed by using two memories, 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.

公开(公告)号：US20160197753A1

公开(公告)日：2016-07-07

申请号：US14989487

申请日：2016-01-06

Applicant: LG Electronics Inc.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  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.

公开(公告)号：US09379928B2

公开(公告)日：2016-06-28

申请号：US14541885

申请日：2014-11-14

Applicant: LG Electronics Inc.

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

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

CPC classification number: H04L27/265 ,  H03M13/00 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649 ,  H04L2001/0093

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 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, wherein the frequency interleaving is performed by using two memories, 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连续OFDM符号组成的每个OFDM符号对使用的不同交织种子来在至少一个信号帧中频率交织数据，其中通过使用两个存储器来执行频率交织;调制器调制频率 通过OFDM方式的交织数据和发送具有调制数据的广播信号的发送器，其中基于调制的循环移位值和FFT大小来生成交织种子。

公开(公告)号：US20160173312A1

公开(公告)日：2016-06-16

申请号：US14908433

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L1/00 ,  H04N21/2383 ,  H03M13/11 ,  H04N21/236 ,  H04N21/434

CPC classification number: H04N21/6112 ,  H03M13/036 ,  H03M13/1111 ,  H03M13/1165 ,  H03M13/118 ,  H03M13/136 ,  H03M13/152 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H04B7/0413 ,  H04B7/068 ,  H04H20/72 ,  H04H60/73 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2601 ,  H04L27/2605 ,  H04L27/2627 ,  H04L27/2649 ,  H04L2001/0093 ,  H04N21/23605 ,  H04N21/2383 ,  H04N21/4343

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding Data Pipe, DP, data according to a code rate, wherein the encoding further includes Low-Density Parity-Check, LDPC, encoding the DP data, Bit interleaving the LDPC 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 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：US09369325B2

公开(公告)日：2016-06-14

申请号：US14157314

申请日：2014-01-16

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: H04K1/02 ,  H04L25/03 ,  H04L25/49 ,  H04L27/26 ,  H04H20/59 ,  H04H20/72

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。