公开(公告)号：US20170214490A1

公开(公告)日：2017-07-27

申请号：US15480891

申请日：2017-04-06

Applicant: LG ELECTRONICS INC.

Inventor： Woo Suk KO ,  Sang Chul Moon

IPC: H04L1/00 ,  H03M13/11 ,  H03M13/00 ,  H03M13/25 ,  H03M13/27 ,  H04L27/34 ,  H03M13/15

CPC classification number: H04L1/0041 ,  H03M13/1165 ,  H03M13/15 ,  H03M13/152 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/2721 ,  H03M13/2906 ,  H03M13/356 ,  H03M13/618 ,  H03M13/6362 ,  H03M13/6552 ,  H03M13/6555 ,  H04H20/76 ,  H04L1/0001 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/04 ,  H04L27/2613 ,  H04L27/34

Abstract: The present invention relates to a method of transmitting and receiving signals and a corresponding apparatus. One aspect of the present invention relates to a method of extracting PLP from data slices.

公开(公告)号：US20160112233A1

公开(公告)日：2016-04-21

申请号：US14981558

申请日：2015-12-28

Applicant: LG Electronics Inc.

Inventor： Woo Suk Ko ,  Sang Chul Moon

IPC: H04L27/26 ,  H04B7/04

CPC classification number: H04L27/2627 ,  H04B7/0413 ,  H04H20/71 ,  H04L1/0041 ,  H04L5/0053 ,  H04L5/26 ,  H04L27/2613 ,  H04L27/2657 ,  H04L27/2662

Abstract: A method for transmitting and receiving a signal and an apparatus for transmitting and receiving a signal are disclosed. The method for receiving the signal includes receiving (S210) the signal in a first frequency band, identifying (S220) a first pilot signal including, a cyclic prefix obtained by frequency-shifting a first portion of an useful portion of the first pilot signal and a cyclic suffix obtained by frequency-shifting a second portion of the useful portion of the first pilot signal from the received signal, demodulating (S220) a signal frame including a physical layer pipe (PLP) to which a service stream is converted, by an orthogonal frequency division multiplexing (OFDM) scheme, using information set in the first pilot signal, parsing (S230) the signal frame and obtaining the PLP and obtaining (S240) the service stream from the PLP.

公开(公告)号：US09043687B2

公开(公告)日：2015-05-26

申请号：US14167914

申请日：2014-01-29

Applicant: LG Electronics Inc.

Inventor： Woo Suk Ko ,  Sang Chul Moon

IPC: H03M13/27 ,  H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H03M13/13

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H03M13/13 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L27/2613

Abstract: A method is provided for receiving a signal. The method includes receiving a signal transmitted in a radio frequency (RF) band including at least one RF channel, demodulating the received signal, parsing a preamble of a signal frame including layer-1 information from the demodulated signal, deinterleaving bits of the layer-1 information, decoding the deinterleaved bits using an error correction decoding scheme including a shortening scheme and a puncturing scheme and obtaining physical layer pipes (PLPs) from the signal frame using the error-correction-decoded layer-1 information.

Abstract translation: 提供了一种用于接收信号的方法。 该方法包括接收在包括至少一个RF信道的射频（RF）频带中发送的信号，解调接收到的信号，从解调信号中解析包括第一层信息的信号帧的前同步码， 1信息，使用包括缩短方案和删截方案的纠错解码方案对解交织的比特进行解码，并使用纠错解码的层1信息从信号帧获得物理层管道（PLP）。

公开(公告)号：US08897390B2

公开(公告)日：2014-11-25

申请号：US13941185

申请日：2013-07-12

Applicant: LG Electronics Inc.

Inventor： Woo Suk Ko ,  Sang Chul Moon

IPC: H04L27/00 ,  H04L1/00 ,  H04L27/26 ,  H04L25/02 ,  H04H20/00 ,  H04L1/08

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H04H20/00 ,  H04H20/71 ,  H04H40/00 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/08 ,  H04L25/0204 ,  H04L25/0226 ,  H04L25/0232 ,  H04L27/2613 ,  H04L27/2614 ,  H04L27/2618 ,  H04L27/2626 ,  H04L27/2647

Abstract: The present invention relates to a method of transmitting and a method of receiving signals and corresponding apparatus. One aspect of the present invention relates to an efficient L1 signaling method for an efficient transmitter and an efficient receiver using the efficient L1 signaling method for an efficient cable broadcasting.

Abstract translation: 本发明涉及发送方法和接收信号的方法以及对应的装置。 本发明的一个方面涉及一种用于有效的发射机的有效L1信令方法和使用有效的L1信令方法用于有效的有线广播的有效接收机。

公开(公告)号：US20140133592A1

公开(公告)日：2014-05-15

申请号：US14160827

申请日：2014-01-22

Applicant: LG Electronics Inc.

Inventor： Woo Suk Ko ,  Sang Chul Moon

IPC: H04L27/34 ,  H04B7/02

CPC classification number: H04L27/34 ,  H04B7/022 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2601 ,  H04L27/2602 ,  H04L27/2628 ,  H04L27/265 ,  H04L69/22

Abstract: According to one embodiment, a method of transmitting at least one broadcasting signal having PLP (Physical Layer Pipe) data and preamble data includes: encoding the PLP data; encoding the preamble data; mapping the encoded PLP data to PLP data symbols by QAM (Quadrature Amplitude Modulation) modulations; mapping the encoded preamble data to preamble data symbols by QAM modulations; building a signal frame including the PLP data symbols and the preamble data symbols, wherein the preamble data symbols include first signaling information and second signaling information, wherein the first signaling information is for the second signaling information and includes size information of the second signaling information, and wherein the second signaling information is for the PLP data symbols; modulating the signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) method; and transmitting the modulated signal frame.

Abstract translation: 根据一个实施例，发送具有PLP（物理层管道）数据和前导码数据的至少一个广播信号的方法包括：对PLP数据进行编码; 编码前导数据; 通过QAM（正交幅度调制）调制将编码的PLP数据映射到PLP数据符号; 通过QAM调制将编码的前导码数据映射到前导码数据符号; 构建包括PLP数据符号和前导码数据符号的信号帧，其中前导码数据符号包括第一信令信息和第二信令信息，其中第一信令信息用于第二信令信息，并且包括第二信令信息的大小信息， 并且其中所述第二信令信息用于所述PLP数据符号; 通过正交频分复用（OFDM）方法对信号帧进行调制; 并发送调制信号帧。

公开(公告)号：US10659265B2

公开(公告)日：2020-05-19

申请号：US16230612

申请日：2018-12-21

Applicant: LG ELECTRONICS INC.

Inventor： Woo Suk Ko ,  Sang Chul Moon

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04L27/34 ,  H04L1/08

Abstract: The present invention relates to a method of transmitting and a method of receiving signals, and corresponding apparatus. One aspect of the present invention relates to a method of obtaining a field for indicating a time de-interleaving depth from a layer 1 (L1) header of preamble symbols.

公开(公告)号：US10250357B2

公开(公告)日：2019-04-02

申请号：US15136493

申请日：2016-04-22

Applicant: LG ELECTRONICS INC.

Inventor： Woo Suk Ko ,  Sang Chul Moon

IPC: H04L1/00 ,  H04L27/26 ,  H04L5/00 ,  H04L27/34 ,  H04L27/36 ,  H04L27/38 ,  H04L27/00

Abstract: A method for transmitting and receiving a signal and an apparatus for transmitting and receiving a signal are disclosed. The method includes receiving the signal from a first frequency band in a single frame including at least one frequency band, demodulating the received signal by an orthogonal frequency division multiplexing (OFDM) method and parsing the signal frame, acquiring a symbol stream of a service stream from the at least one frequency band included in the parsed signal frame, demapping symbols included in the symbol stream and outputting the demapped symbols to sub streams, multiplexing the output sub streams and outputting one bit stream, and deinterleaving and error-correction-decoding the output bit stream.

公开(公告)号：US10003359B2

公开(公告)日：2018-06-19

申请号：US15094182

申请日：2016-04-08

Applicant: LG Electronics Inc.

Inventor： Woo Suk Ko ,  Sang Chul Moon

IPC: H04L5/12 ,  H04L23/02 ,  H03M13/27 ,  H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H03M13/00 ,  H03M13/11 ,  H04L12/18 ,  H04L1/08

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H03M13/6362 ,  H04L1/0041 ,  H04L1/0044 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0075 ,  H04L1/08 ,  H04L5/0048 ,  H04L12/189 ,  H04L27/2618

Abstract: The present invention relates to a method of transmitting and a method of receiving signals and corresponding apparatus. One aspect of the present invention relates to an efficient layer 1 (L1) processing method for a transmitter and a receiver using data slices.

公开(公告)号：US09647795B2

公开(公告)日：2017-05-09

申请号：US14141333

申请日：2013-12-26

Applicant: LG ELECTRONICS INC.

Inventor： Woo Suk Ko ,  Sang Chul Moon

IPC: H04L27/36 ,  H04L1/00 ,  H03M13/25 ,  H03M13/27 ,  H03M13/35 ,  H03M13/00 ,  H04H20/76 ,  H04L5/00 ,  H04L27/26 ,  H04L27/34 ,  H04L27/04 ,  H03M13/11 ,  H03M13/15 ,  H03M13/29

CPC classification number: H04L1/0041 ,  H03M13/1165 ,  H03M13/15 ,  H03M13/152 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/2721 ,  H03M13/2906 ,  H03M13/356 ,  H03M13/618 ,  H03M13/6362 ,  H03M13/6552 ,  H03M13/6555 ,  H04H20/76 ,  H04L1/0001 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/04 ,  H04L27/2613 ,  H04L27/34

Abstract: According to one embodiment, a transmitter for transmitting at least one broadcast signal having PLP (Physical Layer Pipe) data includes: a BCH (Bose-Chadhuri-Hocquenghem) encoder configured to BCH encode the PLP data; an LDPC (Low Density Parity Check) encoder configured to LDPC encode the BCH encoded PLP data and output FECFrames (Forward Error Correction Frames); a mapper configured to map data in the FECFrames onto constellations by QAM (Quadrature Amplitude Modulation) schemes; a time-interleaver configured to time-interleave the mapped data; a frame builder configured to build a signal frame including preamble symbols and data symbols; and an OFDM (Orthogonal Frequency Division Multiplexing) modulator configured to modulate data in the signal frame by an OFDM scheme. The PLP data are processed by an LDPC scheme for a long or a short LDPC FECframe. The preamble symbols include signaling information for the time-interleaved PLP data. The data symbols include the time-interleaved PLP data.

公开(公告)号：US09590795B2

公开(公告)日：2017-03-07

申请号：US14728652

申请日：2015-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Woo Suk Ko ,  Sang Chul Moon

IPC: H04J1/00 ,  H04L5/26 ,  H04L5/00 ,  H04L27/26 ,  H04W56/00 ,  H04L27/12 ,  H04L27/28

CPC classification number: H04L27/2627 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/26 ,  H04L27/122 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/265 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/28 ,  H04L27/32 ,  H04W56/005

Abstract: A method of transmitting and receiving a signal and an apparatus for transmitting and receiving a signal are provided. The method includes receiving the signal of a first frequency band, obtaining Layer-1 (L1) information from a preamble of a first time-frequency slicing (TFS) signal frame of the received signal, the layer-1 information including a radio frequency (RF) channel identifier of the first TFS signal frame including a physical layer pipe (PLP) in a super frame of TFS structure and including an identifier of a starting radio RF channel that can receive the PLP in the first TFS signal frame, parsing the first TFS signal frame using the L1 information and obtaining a PLP of the first TFS signal frame, and converting the PLP to a service stream.

Abstract translation: 提供了发送和接收信号的方法以及用于发送和接收信号的装置。 该方法包括接收第一频带的信号，从接收信号的第一时间频率限幅（TFS）信号帧的前导码获得第一层（L1）信息，第一层信息包括射频（ RF）信道标识符，其包括TFS结构的超帧中的物理层管道（PLP），并且包括可在第一TFS信号帧中接收PLP的起始无线RF信道的标识符，解析第一TFS信号帧 TFS信号帧，并且获得第一TFS信号帧的PLP，并将PLP转换成服务流。