公开(公告)号：US20150326895A1

公开(公告)日：2015-11-12

申请号：US14803990

申请日：2015-07-20

Applicant: LG ELECTRONICS INC.

Inventor： Jongyeul SUH ,  Kookyeon KWAK ,  Jinpil KIM ,  Jeehyun CHOE ,  Hotaek HONG

IPC: H04N21/2343 ,  H04N21/2362 ,  H04N21/845 ,  H04N21/236

CPC classification number: H04N21/234309 ,  H04N7/0125 ,  H04N7/12 ,  H04N19/40 ,  H04N19/59 ,  H04N21/234363 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/4348 ,  H04N21/845 ,  H04N21/8451

Abstract: The present invention provides an apparatus for transmitting a video stream, an apparatus for receiving a video stream, a method for transmitting a video stream, and a method for receiving a video stream. One embodiment of the present invention, discloses the method for transmitting the video stream, comprising the steps of: down-sampling a UHD (ultra high definition) video stream to divide the UHD video stream into a sub-stream of a viewable HD compatible video, a sub-stream of an HD-sized video, and a sub-stream of a residual signal as a difference between the HD compatible video and the HD-sized video, and encoding the divided sub-streams; multiplexing signaling information for describing the relationship between the UHD video stream and at least one sub-stream and including the sub-stream; and transmitting the multiplexed HD sub-stream and the signaling information.

Abstract translation: 本发明提供了一种用于发送视频流的装置，用于接收视频流的装置，用于发送视频流的方法以及用于接收视频流的方法。 本发明的一个实施例公开了用于发送视频流的方法，包括以下步骤：对UHD（超高清晰度）视频流进行下采样，以将UHD视频流划分为可视高清兼容视频的子流 HD尺寸视频的子流，以及作为HD兼容视频和HD尺寸视频之间的差异的残差信号子流，以及对所划分的子流进行编码; 多路复用信令信息，用于描述UHD视频流与至少一个子流之间的关系，并包括该子流; 以及发送多路复用HD子流和信令信息。

公开(公告)号：US20140304568A1

公开(公告)日：2014-10-09

申请号：US14199767

申请日：2014-03-06

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KO ,  Sangchul MOON ,  Hotaek HONG

IPC: H04L1/00 ,  H03M13/27 ,  H04B7/04

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.

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发信号的第二前导信号，其中多个PLP中的一个是基极 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：US20140247828A1

公开(公告)日：2014-09-04

申请号：US14200648

申请日：2014-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KO ,  Sangchul MOON ,  Jeonghwan PARK ,  Hotaek HONG

IPC: H04L12/18

CPC classification number: H04L12/18 ,  H04H20/42 ,  H04H60/73 ,  H04L1/0041 ,  H04L1/0045 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2647 ,  H04N5/4401 ,  H04N21/234327 ,  H04N21/235 ,  H04N21/2365 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/435 ,  H04N21/4382 ,  H04N21/6131

Abstract: A broadcasting signal reception method according to the present invention comprises the following steps: OFDM-demodulating by receiving a plurality of broadcasting signals, which contain a transmission frame for transmitting a broadcasting service; outputting the transmission frame by decoding a plurality of OFDM-demodulated broadcasting signals with at least one method among MIMO, MISO, and SISO; and selectively decoding a plurality of PLP's, which are included in the transmission frame, using signaling information included in the transmission frame. In particular, PSI/SI such as PAT/PMT can be transmitted through an arbitrary PLP among the plurality of PLP's; and in the transmitter, an arbitrary PLP, which transmits the PAT/PMP, can be decoded first to enable a search of all PLP's that transmit components included in a single broadcasting service, and a plurality of PLP's can be decoded selectively.

Abstract translation: 根据本发明的广播信号接收方法包括以下步骤：通过接收包含用于发送广播业务的发送帧的多个广播信号进行OFDM解调; 通过利用MIMO，MISO和SISO中的至少一种方法对多个OFDM解调的广播信号进行解码来输出传输帧; 以及使用包括在传输帧中的信令信息来选择性地解码包含在传输帧中的多个PLP。 特别地，诸如PAT / PMT的PSI / SI可以通过多个PLP中的任意PLP传输; 并且在发射机中，可以首先对发送PAT / PMP的任意PLP进行解码，以便能够搜索发送单个广播业务中包含的组件的所有PLP，并且可以选择性地解码多个PLP。

公开(公告)号：US20170366843A1

公开(公告)日：2017-12-21

申请号：US15690637

申请日：2017-08-30

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KO ,  Sangchul MOON ,  Hotaek HONG

IPC: H04N21/434 ,  H04N19/66 ,  H04N21/4402 ,  H04N21/438 ,  H04N21/431 ,  H04N21/426 ,  H04N21/262 ,  H04N21/2362 ,  H04N21/643 ,  H03M13/25 ,  H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04H60/11 ,  H04B7/0413 ,  H03M13/27 ,  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：US20170280172A1

公开(公告)日：2017-09-28

申请号：US15619198

申请日：2017-06-09

Applicant: LG Electronics Inc.

Inventor： Hotaek HONG ,  Sangchul MOON ,  Woosuk KO

IPC: H04N21/2362 ,  H04L27/26 ,  H04N21/61 ,  H04N21/434 ,  H04N21/2383 ,  H04W28/06 ,  H04H20/42 ,  H04N21/438 ,  H04N21/643 ,  H04N21/2343 ,  H04B7/0413 ,  H04L1/00

CPC classification number: H04N21/2362 ,  H04B7/0413 ,  H04H20/42 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0072 ,  H04L27/2601 ,  H04L27/2626 ,  H04N21/234327 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/4382 ,  H04N21/6125 ,  H04N21/64322 ,  H04W28/06

Abstract: A transmitter and method of processing broadcast data are discussed. In one embodiment, the method includes Forward Error Correction (FEC) encoding Physical Layer Pipe (PLP) data at a first code rate; FEC encoding first signaling data at a second code rate; FEC encoding second signaling data at a third code rate; time interleaving the FEC-encoded PLP data; frequency interleaving the time-interleaved PLP data by a pair of consecutive cells; and modulating the frequency-interleaved PLP data, the FEC-encoded first signaling data, and the FEC-encoded second signaling data by an Orthogonal Frequency Division Multiplexing (OFDM) method, wherein the first signaling data include FEC type information of the second signaling data and wherein the second signaling data include FEC type information and the first code rate used by the PLP data.

公开(公告)号：US20160198217A1

公开(公告)日：2016-07-07

申请号：US15073098

申请日：2016-03-17

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KO ,  Sangchul MOON ,  Hotaek HONG

IPC: H04N21/434 ,  H04N19/66 ,  H04L1/00 ,  H04N21/262 ,  H04N21/84 ,  H04N21/431 ,  H04N21/438 ,  H04N21/4402 ,  H04N21/643 ,  H04N21/2362 ,  H04B7/04 ,  H04N21/426

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：US20160197750A1

公开(公告)日：2016-07-07

申请号：US15048695

申请日：2016-02-19

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek HONG ,  Sangchul MOON ,  Joonhui LEE ,  Woosuk KO

IPC: H04L27/12 ,  H04L27/26

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.

公开(公告)号：US20150365917A1

公开(公告)日：2015-12-17

申请号：US14802216

申请日：2015-07-17

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek HONG ,  Sangchul MOON ,  Woosuk KO

IPC: H04W72/00 ,  H04L29/06 ,  H04L1/00

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：US20150071153A1

公开(公告)日：2015-03-12

申请号：US14542062

申请日：2014-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek HONG ,  Woosuk KO ,  Sangchul MOON

IPC: H04W28/06 ,  H04W52/54 ,  H04W4/22 ,  H04W72/00

CPC classification number: H04W4/22 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0058 ,  H04L5/0023 ,  H04L5/0053 ,  H04W4/90

Abstract: Disclosed are a broadcast signal transmitting method. The method according to an embodiment of the present invention includes processing with input streams to output transmission units, wherein the transmission units carry broadcast data which carries a service or a service component, encoding the transmission units, symbol-mapping the encoded transmission units, MIMO encoding the symbol-mapped transmission units, time-interleaving the MIMO-encoded transmission units, building signal frames including the time-interleaved transmission units, modulating the built signal frames by Orthogonal Frequency Division Multiplexing, OFDM scheme, and transmitting the modulated signal frames. Herein the signal frames include a fixed mode of signal frame and a mobile mode of signal frame. Herein a signal frame in the transmitted signal frames includes a preamble part, and the preamble part includes physical signaling data for the transmission units, and wherein the physical signaling data include information on a pilot mode for the signal frame.

Abstract translation: 公开了广播信号发送方法。 根据本发明实施例的方法包括用输入流进行处理以输出传输单元，其中传输单元携带携带服务或服务组件的广播数据，对传输单元进行编码，对编码的传输单元进行符号映射，MIMO 编码符号映射传输单元，对MIMO编码的传输单元进行时间交织，构建包括时间交织的传输单元的信号帧，通过正交频分复用，OFDM方案调制内置的信号帧，并发送调制的信号帧。 这里，信号帧包括信号帧的固定模式和信号帧的移动模式。 这里，所发送的信号帧中的信号帧包括前导码部分，并且前导码部分包括用于传输单元的物理信令数据，并且其中物理信令数据包括关于信号帧的导频模式的信息。

公开(公告)号：US20140229804A1

公开(公告)日：2014-08-14

申请号：US14203100

申请日：2014-03-10

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek HONG ,  Sangchul MOON ,  Joonhui LEE ,  Wooksuk KO

IPC: H04L1/00 ,  H04B7/04

CPC classification number: H04L1/0041 ,  H04B7/0413 ,  H04B7/0469 ,  H04H20/30 ,  H04H20/42 ,  H04L1/0071

Abstract: Disclosed is an apparatus for transmitting a broadcast signal, an apparatus for receiving a broadcast signal, and a method for transmitting/receiving a broadcast signal using an apparatus for transmitting/receiving broadcast signal. A method for transmitting a broadcast signal according to the present invention comprises the steps of: generating a first PLP which includes an IP stream having at least one service component; signaling IP-PLP mapping information for linking the IP stream and the PLP in binary form and generating a second PLP which includes the signaled binary information; performing FEC-encoding and bit-interleaving on the first and second PLPs; generating a transmission frame including the first and second bit-interleaved PLPs; and modulating the transmission frame and transmitting a broadcast signal including the modulated transmission frame, wherein the IP-PLP mapping information includes IP information for identifying the IP stream and PLP information for identifying the PLP.

Abstract translation: 公开了用于发送广播信号的装置，用于接收广播信号的装置，以及使用用于发送/接收广播信号的装置来发送/接收广播信号的方法。 根据本发明的用于发送广播信号的方法包括以下步骤：生成包括具有至少一个服务分量的IP流的第一PLP; 用于以二进制形式链接IP流和PLP的信令IP-PLP映射信息，并生成包括信号二进制信息的第二PLP; 在所述第一和第二PLP上执行FEC编码和位交织; 生成包括第一和第二位交织的PLP的传输帧; 并且调制发送帧并发送包括调制的发送帧的广播信号，其中，IP-PLP映射信息包括用于识别IP流的IP信息和用于识别PLP的PLP信息。