公开(公告)号：US09686029B2

公开(公告)日：2017-06-20

申请号：US15182481

申请日：2016-06-14

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 ,  H04L5/00 ,  H04L1/00 ,  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 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 component, a mapper for mapping the encoded DP data onto constellations, a time interleaver for time interleaving 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 OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals having the modulated data.

公开(公告)号：US09661395B2

公开(公告)日：2017-05-23

申请号：US14908826

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/16 ,  H04N21/61 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04L1/00 ,  H03M13/11 ,  H03M13/25 ,  H03M13/03 ,  H03M13/27 ,  H03M13/15

CPC classification number: H04L1/0057 ,  H03M13/036 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0071 ,  H04L27/2605 ,  H04L27/2627 ,  H04L27/2649 ,  H04L2001/0093 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  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：US09654820B2

公开(公告)日：2017-05-16

申请号：US14642219

申请日：2015-03-09

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Ko ,  Sangchul Moon ,  Hotaek Hong

IPC: H04N7/16 ,  H04N21/434 ,  H04N21/4402 ,  H03M13/25 ,  H04H60/11 ,  H04L5/00 ,  H04L27/26 ,  H04N21/262 ,  H03M13/27 ,  H04B7/0413 ,  H04L1/00 ,  H04N19/66 ,  H04N21/426 ,  H04N21/431 ,  H04N21/438 ,  H04N21/2362 ,  H04N21/643 ,  H04N21/84 ,  H03M13/09

CPC classification number: H04N21/4343 ,  H03M13/09 ,  H03M13/251 ,  H03M13/2796 ,  H04B7/0413 ,  H04H60/11 ,  H04L1/0041 ,  H04L1/0047 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2647 ,  H04N19/66 ,  H04N21/2362 ,  H04N21/262 ,  H04N21/42676 ,  H04N21/431 ,  H04N21/4345 ,  H04N21/4382 ,  H04N21/440227 ,  H04N21/64322 ,  H04N21/84

Abstract: Disclosed is a broadcasting signal transmission device, a broadcasting signal reception device, and a method for transmitting/receiving a broadcasting signal using same. The method for receiving the broadcasting signal comprises the following steps: receiving the broadcasting signal, which includes a transmission frame, wherein the transmission frame includes a plurality of PLPs, which transmit components that constitute a broadcasting service, first signaling information and second signaling information, which include the signaling information of the plurality of PLPs, a first preamble signal, which has been signaled with a preamble format, and a second preamble signal, which has been signaled with pilot pattern information, wherein one of the plurality of PLPs is a base PLP, which includes a program number that corresponds to the broadcasting service and program map table information, which has been signaled with identifying information for each of the PLPs; demodulating the broadcasting signal based on the first and the second preamble signals; FEC decoding the demodulated broadcasting signal; and identifying a PLP group that includes the plurality of PLP from the FEC decoded broadcasting signal based on the first and the second signaling information, decoding at least one PLP of the identified PLP group, and providing the broadcasting service.

公开(公告)号：US09602320B2

公开(公告)日：2017-03-21

申请号：US14792249

申请日：2015-07-06

Applicant: LG Electronics Inc.

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

IPC: H04W72/00 ,  H04L29/06 ,  H04W4/18 ,  H04L27/26 ,  H04B7/10 ,  H04H60/73 ,  H04B7/04 ,  H04W24/02 ,  H04L5/00 ,  H04N21/426

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04H60/73 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0023 ,  H04L5/0044 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2627 ,  H04L69/22 ,  H04N21/42607 ,  H04W4/18 ,  H04W24/02 ,  H04W72/005

Abstract: A broadcast signal receiver according to the present invention comprises: a demodulator for performing OFDM demodulation on a received broadcast signal including a frame for the delivery of a broadcast service: a frame demapper for outputting the frame, the frame including a preamble that contains first signaling information, and a plurality of link-layer-pipes (LLPs) that contain PLP data, second signaling information and third signaling information, with the PLP data including a base layer and an enhancement layer of the broadcast service; and a decoder for decoding the first signaling information, for decoding the second and third signaling information, and for selectively decoding the PLP data by using the third signaling information.

公开(公告)号：US20160182190A1

公开(公告)日：2016-06-23

申请号：US15056581

申请日：2016-02-29

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Ko ,  Seoyoung Back ,  Sangchul Moon

IPC: H04L1/00 ,  H04B7/04 ,  H04L27/12 ,  H04L27/26

CPC classification number: H04H20/72 ,  H04B7/0413 ,  H04H20/42 ,  H04H20/71 ,  H04L1/0054 ,  H04L1/0071 ,  H04L1/0083 ,  H04L1/0668 ,  H04L25/03006 ,  H04L27/12 ,  H04L27/2613 ,  H04L27/2627 ,  H04L69/22 ,  H04L69/323

Abstract: The broadcast-signal transmitter according to one embodiment of the present invention includes: an encoder for encoding physical layer pipe (PLP) data, including a base layer and an enhancement layer of a broadcasting service, and signaling information through a SISO, and/or MIMO technique; a frame builder for generating a transmission frame, which includes a preamble having the encoded signaling information and the PLP data and an OFDM generator for modulating and transmitting a broadcast signal including the transmission frame.

公开(公告)号：US20150058908A1

公开(公告)日：2015-02-26

申请号：US14533564

申请日：2014-11-05

Applicant: LG Electronics Inc.

Inventor： Woosuk Ko ,  Hotaek Hong ,  Sangchul Moon

IPC: H04N21/236 ,  H04N21/2383 ,  H04N21/235

CPC classification number: H04N21/2383 ,  H04N21/23424 ,  H04N21/2365 ,  H04N21/2389 ,  H04N21/6112

Abstract: Disclosed is a broadcasting signal transmission device, a broadcasting signal reception device, and a method for transmitting/receiving a broadcasting signal using same. The method for receiving the broadcasting signal comprises the following steps: receiving the broadcasting signal, which includes a transmission frame, wherein the transmission frame includes a plurality of PLPs, which transmit components that constitute a broadcasting service, first signaling information and second signaling information, which include the signaling information of the plurality of PLPs, a first preamble signal, which has been signaled with a preamble format, and a second preamble signal, which has been signaled with pilot pattern information, wherein one of the plurality of PLPs is a base PLP, which includes a program number that corresponds to the broadcasting service and program map table information, which has been signaled with identifying information for each of the PLPs; demodulating the broadcasting signal based on the first and the second preamble signals; FEC decoding the demodulated broadcasting signal; and identifying a PLP group that includes the plurality of PLP from the FEC decoded broadcasting signal based on the first and the second signaling information, decoding at least one PLP of the identified PLP group, and providing the broadcasting service.

Abstract translation: 公开了广播信号发送装置，广播信号接收装置以及使用其发送/接收广播信号的方法。 接收广播信号的方法包括以下步骤：接收包括传输帧的广播信号，其中传输帧包括发送构成广播业务的组件的多个PLP，第一信令信息和第二信令信息， 其包括多个PLP的信令信息，已经用前置码格式发信号的第一前导信号和已经用导频模式信息通知的第二前导信号，其中多个PLP中的一个是基站 PLP，其包括与广播服务和节目映射表信息相对应的节目号码，其已经用每个PLP的标识信息发信号通知; 基于第一和第二前导码信号解调广播信号; FEC对解调的广播信号进行解码; 以及基于所述第一和第二信令信息，从所述FEC解码的广播信号中识别包括所述多个PLP的PLP组，对所识别的PLP组的至少一个PLP进行解码，以及提供所述广播服务。

公开(公告)号：US20140314177A1

公开(公告)日：2014-10-23

申请号：US14256817

申请日：2014-04-18

Applicant: LG Electronics Inc.

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

IPC: H04B7/04 ,  H04B7/08 ,  H04B7/06

CPC classification number: H04H20/44 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/10 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L5/0023 ,  H04L27/2046 ,  H04L27/34

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe, DP, data; Low-Density Parity-Check, LDPC, encoding the DP data according to a code rate; bit interleaving the LDPC encoded DP data; mapping the bit interleaved DP data onto constellations according to one of QAM (Quadrature Amplitude Modulation), NUQ (Non-Uniform QAM) or NUC (Non-Uniform Constellation); Multi-Input Multi-Output, MIMO, encoding the mapped DP data by using a MIMO encoding matrix having a MIMO encoding parameter; building at least one signal frame by mapping the MIMO 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.

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格式化为数据管道，DP，数据; 低密度奇偶校验LDPC，根据码率对DP数据进行编码; 比特交织LDPC编码的DP数据; 根据QAM（正交幅度调制），NUQ（Non-Uniform QAM）或NUC（Non-Uniform Constellation）之一将位交织的DP数据映射到星座上; 多输入多输出MIMO，通过使用具有MIMO编码参数的MIMO编码矩阵对映射的DP数据进行编码; 通过映射MIMO编码的DP数据构建至少一个信号帧; 以及通过正交频分复用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。

公开(公告)号：US20140229803A1

公开(公告)日：2014-08-14

申请号：US14199730

申请日：2014-03-06

Applicant: LG Electronics Inc.

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

IPC: H04L1/00 ,  H04B7/04

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：US11330325B2

公开(公告)日：2022-05-10

申请号：US16994156

申请日：2020-08-14

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Ko ,  Sangchul Moon ,  Hotaek Hong

IPC: H04N21/434 ,  H04N21/2362 ,  H04N21/262 ,  H04N21/426 ,  H04N21/431 ,  H04N21/438 ,  H04N21/44 ,  H04N21/643 ,  H04N21/84 ,  H04N21/4402 ,  H03M13/25 ,  H04H60/11 ,  H04L5/00 ,  H04L27/26 ,  H03M13/27 ,  H04B7/0413 ,  H04L1/00 ,  H04N19/66 ,  H03M13/09

Abstract: Disclosed is a broadcasting signal transmission device, a broadcasting signal reception device, and a method for transmitting/receiving a broadcasting signal using same. The method for receiving the broadcasting signal comprises the following steps: receiving the broadcasting signal, which includes a transmission frame, wherein the transmission frame includes a plurality of PLPs, which transmit components that constitute a broadcasting service, first signaling information and second signaling information, which include the signaling information of the plurality of PLPs, a first preamble signal, which has been signaled with a preamble format, and a second preamble signal, which has been signaled with pilot pattern information, wherein one of the plurality of PLPs is a base PLP, which includes a program number that corresponds to the broadcasting service and program map table information, which has been signaled with identifying information for each of the PLPs; demodulating the broadcasting signal based on the first and the second preamble signals; FEC decoding the demodulated broadcasting signal; and identifying a PLP group that includes the plurality of PLP from the FEC decoded broadcasting signal based on the first and the second signaling information, decoding at least one PLP of the identified PLP group, and providing the broadcasting service.

公开(公告)号：USRE48249E1

公开(公告)日：2020-10-06

申请号：US16218368

申请日：2018-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Woosuk Ko

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

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.