公开(公告)号：US09774893B2

公开(公告)日：2017-09-26

申请号：US14905692

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04N21/81 ,  H04L1/00 ,  H04N21/2383

CPC classification number: H04N21/23614 ,  H04L1/0041 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0071 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4348 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131 ,  H04N21/814

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：US09742609B2

公开(公告)日：2017-08-22

申请号：US14908016

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/00 ,  H04L27/26 ,  H04H20/30 ,  H04L1/00 ,  H03M13/00 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/438

CPC classification number: H04L27/2627 ,  H03M13/616 ,  H04H20/30 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0061 ,  H04L27/2649 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/4382

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：US09692558B2

公开(公告)日：2017-06-27

申请号：US14853291

申请日：2015-09-14

Applicant: LG ELECTRONICS INC.

Inventor： Yonghak Suh ,  Sangchul Moon ,  Jongwoong Shin ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L27/12 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2649 ,  H03M13/1102 ,  H03M13/2792 ,  H04L1/0009 ,  H04L1/0023 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/12

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 bit interleaver to interleave the encoded service data, a frame builder to build at least one signal frame including the bit interleaved service data, wherein the at least one signal frame includes a plurality of OFDM symbols, 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：US09648361B2

公开(公告)日：2017-05-09

申请号：US14905088

申请日：2014-08-01

Applicant: LG Electronics Inc.

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

IPC: H04N21/2362 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04L1/00

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 ,  H04N21/23614 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

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.

公开(公告)号：US09596116B2

公开(公告)日：2017-03-14

申请号：US14627377

申请日：2015-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Yonghak Suh ,  Sangchul Moon ,  Jongwoong Shin ,  Woosuk Ko ,  Sungryoung Hong

IPC: H04L27/00 ,  H04L27/26 ,  H04L1/00 ,  H04H20/33 ,  H04L5/00

CPC classification number: H04L27/2627 ,  H03M13/036 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H04H20/33 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0044 ,  H04L27/2649 ,  H04L2001/0093

Abstract: The present invention provides an apparatus of transmitting broadcast signals. The apparatus includes, an encoder for encoding service data, a bit interleaver for bit interleaving the encoded service data, a mapper for mapping the bit interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, an OFDM modulator for modulating data in the built at least one signal frame by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data.

Abstract translation: 本发明提供一种发送广播信号的装置。 该装置包括：编码服务数据的编码器，用于对编码的服务数据进行位交织的比特交织器;映射器，用于将比特交织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 OFDM调制器，用于通过OFDM方案调制所构建的至少一个信号帧中的数据的OFDM调制器和用于发送具有调制数据的广播信号的发射机。

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：US20160254936A1

公开(公告)日：2016-09-01

申请号：US15148883

申请日：2016-05-06

Applicant: LG Electronics Inc.

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

IPC: H04L27/26 ,  H04B7/04

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：US09385823B2

公开(公告)日：2016-07-05

申请号：US14542007

申请日：2014-11-14

Applicant: LG Electronics Inc.

Inventor： Woosuk Ko ,  Sangchul Moon ,  Seoyoung Back

IPC: H04L27/00 ,  H03K9/00 ,  H04B1/00 ,  H04H20/71 ,  H04L1/00 ,  H04H20/57

CPC classification number: H04H20/71 ,  H04H20/57 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0065 ,  H04L1/007 ,  H04L1/0071 ,  H04L2001/0093

Abstract: As an aspect of the present invention, an embodiment of the invention provides a method of transmitting broadcast data, the method comprising: encoding transmission units for forward error correction, wherein the transmission units carry the broadcast data which carry a service or service component; mapping the encoded transmission units on constellations; MIMO encoding the mapped transmission units; time-interleaving the MIMO encoded transmission units; building signal frames including the time-interleaved transmission units; modulating the signal frames by Orthogonal Frequency Division Multiplexing, OFDM scheme; and transmitting the modulated signal frames, wherein the transmitted signal frames include preambles, the preambles having physical signaling data for the transmission units.

Abstract translation: 作为本发明的一个方面，本发明的实施例提供了一种发送广播数据的方法，所述方法包括：对用于前向纠错的发送单元进行编码，其中传输单元携带携带服务或服务组件的广播数据; 将编码的传输单元映射到星座上; MIMO编码映射的传输单元; 时间交织MIMO编码的传输单元; 构建信号帧，包括时间交织的传输单元; 通过正交频分复用，OFDM方案对信号帧进行调制; 以及发射调制信号帧，其中所发送的信号帧包括前导码，所述前同步码具有用于所述传输单元的物理信令数据。

公开(公告)号：US09369757B2

公开(公告)日：2016-06-14

申请号：US14199767

申请日：2014-03-06

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Ko ,  Sangchul Moon ,  Hotaek Hong

IPC: H03M13/00 ,  H04N21/434 ,  H04N21/4402 ,  H03M13/25 ,  H04H60/11 ,  H04L5/00 ,  H04L27/26 ,  H04N21/262 ,  H03M13/27 ,  H04B7/04 ,  H04L1/00 ,  H04N19/66 ,  H04N21/426 ,  H04N21/431 ,  H04N21/438 ,  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：US09300435B2

公开(公告)日：2016-03-29

申请号：US14199730

申请日：2014-03-06

Applicant: LG Electronics Inc.

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

IPC: H03M13/00 ,  H04L1/00 ,  H04N21/2362 ,  H04N21/2389 ,  H04N21/643 ,  H04W72/00 ,  H04B7/04 ,  H04H60/07

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.