公开(公告)号：US09210022B2

公开(公告)日：2015-12-08

申请号：US14551728

申请日：2014-11-24

Applicant: LG Electronics Inc.

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

IPC: H04L27/28 ,  H04L27/26

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：US20150155975A1

公开(公告)日：2015-06-04

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：US20150146608A1

公开(公告)日：2015-05-28

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: H04L5/00 ,  H04L1/00 ,  H04W4/06 ,  H04L27/26

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, demultiplexing input streams into plural PLPs (Physical Layer Pipes); encoding data of the each PLPs according to each physical layer profiles, wherein the physical layer profiles are configurations based on reception condition, wherein the each physical layer profiles include: LDPC (Low Density Parity Check) encoding the data of the PLP, bit interleaving the LDPC encoded data of the PLP; building plural signal frames by mapping the encoded data of the each PLPs, wherein each signal frame belongs to one of the physical layer profiles, wherein a super frame includes at least two built signal frames; and modulating data in the built plural signal frames by OFDM (Orthogonal Frequency Division Multiplexing) method and transmitting the broadcast signals having the modulated data,

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括：将输入流解复用为多个PLP（物理层管道）; 根据每个物理层简档编码每个PLP的数据，其中物理层简档是基于接收条件的配置，其中每个物理层简档包括：编码PLP的数据的LDPC（低密度奇偶校验），比特交织 PLP的LDPC编码数据; 通过映射每个PLP的编码数据来构建多个信号帧，其中每个信号帧属于物理层简档中的一个，其中超帧包括至少两个内置信号帧; 并通过OFDM（正交频分复用）方式调制内置的多个信号帧中的数据，并发送具有调制数据的广播信号，

公开(公告)号：US20150010096A1

公开(公告)日：2015-01-08

申请号：US14322421

申请日：2014-07-02

Applicant: LG Electronics Inc.

Inventor： Jinwoo KIM ,  Jaehyung Kim ,  Sungryong Hong ,  Jaeho Hwang ,  Jongwoong Shin ,  Woosuk Ko

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

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H04L1/0013 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0064 ,  H04L1/0068 ,  H04L1/0071 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/2601 ,  H04N5/00 ,  H04N5/067

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 corresponding to each of a plurality of data transmission units, an encoder for encoding physical signaling data by a shortening scheme and a puncturing scheme, a mapper for mapping the encoded service data onto constellations, a frame builder for building at least one signal frame including preamble data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.

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数据传输单元中的每一个对应的服务数据进行编码的编码器，用于通过缩短方案对打印物理信令数据进行编码的编码器和打孔方法，用于将经编码的服务数据映射到星座上的映射器 ，用于构建包括前导码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）方案来调制所述至少一个信号帧的调制器，用于发送携带所述至少一个调制信号的广播信号的发射机 帧。

公开(公告)号：US11812076B2

公开(公告)日：2023-11-07

申请号：US17876249

申请日：2022-07-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04N21/2362 ,  H04L1/00 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H03M13/11 ,  H03M13/27 ,  H03M13/00 ,  H04B7/0456 ,  H04L5/00

CPC classification number: H04N21/2362 ,  H03M13/1148 ,  H03M13/2792 ,  H03M13/616 ,  H04B7/0456 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L27/2627 ,  H04L27/2649 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/23614 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

Abstract: The present invention provides an apparatus of transmitting broadcast signals, the apparatus including, an encoder for encoding service data, a frame builder for building at least one signal frame by mapping the encoded service data, a modulator for modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and a transmitter for transmitting the broadcast signals having the modulated data.

公开(公告)号：US11736923B2

公开(公告)日：2023-08-22

申请号：US17143005

申请日：2021-01-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/90 ,  H04W4/80 ,  H04H20/08 ,  H04H20/59 ,  H04L29/08 ,  H04W4/06 ,  H04L67/10 ,  H04L67/55 ,  H04W88/04

CPC classification number: H04W4/90 ,  H04H20/08 ,  H04H20/59 ,  H04L67/10 ,  H04L67/55 ,  H04W4/06 ,  H04W4/80 ,  H04H2201/37 ,  H04W88/04

Abstract: Provided is a broadcast receiving device receiving a broadcast service interoperating with a companion device. The broadcast receiving device includes: an IP communication unit configured to establish a pairing session with the companion device; a broadcast communication unit configured to receive an emergency alert message including an emergency alert alerting a disaster situation on the basis of the broadcast service; and a control unit configured to transmit information on the emergency alert message to the companion device.

公开(公告)号：US11706467B2

公开(公告)日：2023-07-18

申请号：US17585104

申请日：2022-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh ,  Woosuk Ko ,  Kyoungsoo Moon ,  Sungryong Hong

IPC: H04N21/2381 ,  H04N21/8547 ,  H04L1/00 ,  H04N21/63 ,  H04B7/0413 ,  H04N21/462 ,  H04N21/2383 ,  H04H20/42 ,  H04H60/82 ,  H04H60/40 ,  H04N21/236 ,  H04N21/233 ,  H04N21/234 ,  H04N21/242

CPC classification number: H04N21/2381 ,  H04B7/0413 ,  H04H20/423 ,  H04H60/40 ,  H04H60/82 ,  H04L1/004 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04N21/233 ,  H04N21/234 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/4622 ,  H04N21/631 ,  H04N21/8547 ,  H04H2201/37 ,  H04L2001/0093

Abstract: A method of processing a service in a transmitter, and including generating, by a hardware processor, a first media component and a second media component for the service; generating, by the hardware processor, signaling data for the service; time interleaving, by a time interleaver, the first media component, wherein the first media component is time-interleaved by column-wise writing actual Forward Error Correction (FEC) blocks including the first media component in a Time Interleaving (TI) memory and diagonal-wise reading the first media component in the actual FEC blocks from the TI memory, wherein one or more virtual FEC blocks are skipped during the diagonal-wise reading the written first media component, and wherein a number of the one or more virtual FEC blocks is equal to a difference between a number of the actual FEC blocks and a column number of the TI memory; generating, by a signaling generator, physical layer signaling information, wherein the physical layer signaling information includes first physical layer signaling information and second physical layer signaling information, wherein the first physical layer signaling information includes information for identifying a size of the second physical layer signaling information and wherein the second physical layer signaling information includes information for obtaining the column number of the TI memory; transmitting, by an antenna, the time-interleaved first media component, the physical layer signaling information and the signaling data through a broadcast network; and transmitting, by a network interface, the second media component to a receiver through a broadband network. Further, the signaling data transmitted through the broadcast network includes first timeline information for specifying a timeline of the first media component transmitted through the broadcast network and uniform resource location information for the second media component.

公开(公告)号：US11678346B2

公开(公告)日：2023-06-13

申请号：US17523562

申请日：2021-11-10

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Sejin Oh ,  Kyoungsoo Moon ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04W72/00 ,  H04W72/30 ,  H04W4/06 ,  H04L1/00 ,  H04N21/00 ,  H04L5/00 ,  H04L69/22 ,  H04L27/26 ,  H04L69/164 ,  H04L1/08 ,  H04L69/16

CPC classification number: H04W72/30 ,  H04L1/0009 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L69/164 ,  H04L69/22 ,  H04N21/00 ,  H04W4/06 ,  H04L1/08 ,  H04L5/0091 ,  H04L69/16 ,  H04L2001/0093

Abstract: A method for transmitting a broadcast signal in a digital broadcast transmitter, the method including generating components of a service; generating first signaling information including session instance description information for at least one Real-Time Object Delivery over Unidirectional Transport (ROUTE) session and at least one Layered Coding Transport (LCT) channel in which the components of the service are delivered, wherein the session instance description information includes first source Internet Protocol (IP) address information of the at least one ROUTE session, first destination IP address information of the at least one ROUTE session, first destination port information of the at least one ROUTE session, and transport session identification information for the at least one LCT channel; generating second signaling information which is used for acquiring the first signaling information, wherein the second signaling information includes information for indicating a channel number of the service, wherein the second signaling information further includes bootstrap information and signaling transport mode information for indicating a type of delivery protocol of the first signaling information, and further the bootstrap information changes depending on the signaling transport mode information, and wherein the bootstrap information included in the second signaling information includes second source IP address information, second destination IP address information, and second destination port information for the first signaling information, wherein the at least one LCT channel is acquired based on the bootstrap information included in the second signaling information; and transmitting the broadcast signal including the components of the service, the first signaling information, and the second signaling information based on at least one Physical Layer Pipe (PLP).

公开(公告)号：US20220368852A1

公开(公告)日：2022-11-17

申请号：US17744376

申请日：2022-05-13

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Sungryong Hong ,  Woosuk Ko ,  Woosuk Kwon ,  Jangwon Lee ,  Kyoungsoo Moon

IPC: H04N7/088 ,  H04N21/235 ,  H04N21/236 ,  H04L1/00 ,  H04L67/02 ,  H04N21/434 ,  H03M13/00 ,  H03M13/25 ,  H03M13/29 ,  H03M13/27 ,  H04L65/65 ,  H04L65/70 ,  H04L65/611 ,  H03M13/11 ,  H04L65/80 ,  H04N21/2362 ,  H04N21/2665 ,  H04N21/858 ,  H04W4/06

Abstract: A method for transmitting a broadcast signal according to an embodiment of the present invention comprises generating service layer signaling information for discovery and acquisition of a broadcast service and a content component of the broadcast service; generating service list information including for service list building and discovery of the service layer signaling information; and physical layer processing of the service list information, service layer signaling information, and content component.

公开(公告)号：US11368757B2

公开(公告)日：2022-06-21

申请号：US17091491

申请日：2020-11-06

Applicant: LG Electronics Inc.

Inventor： Minsung Kwak ,  Woosuk Ko ,  Seungryul Yang ,  Kyoungsoo Moon ,  Seungjoo An ,  Jinwon Lee ,  Sungryong Hong

IPC: H04N7/173 ,  H04N21/472 ,  H04N21/2362 ,  H04N21/258 ,  H04N21/6547 ,  H04N21/81 ,  H04N21/84 ,  H04N21/43 ,  H04L1/00 ,  H04N21/235 ,  H04N21/254 ,  H04N21/262 ,  H04N21/4147 ,  H04N21/643

Abstract: One embodiment of the present invention provides a method and a device for transmitting and receiving service guide information. The service guide information transmission method, according to one embodiment of the present invention, comprises the steps of: generating service guide information including information on broadcast service and content; encoding the generated service guide information; and transmitting the encoded service guide information.