公开(公告)号：US20180146220A1

公开(公告)日：2018-05-24

申请号：US15872578

申请日：2018-01-16

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Seungryul YANG ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/2362 ,  H04N21/462 ,  H04N21/2389 ,  H04N21/434

CPC classification number: H04N21/2362 ,  H04N21/233 ,  H04N21/234 ,  H04N21/235 ,  H04N21/23892 ,  H04N21/258 ,  H04N21/26283 ,  H04N21/41 ,  H04N21/4345 ,  H04N21/439 ,  H04N21/44 ,  H04N21/45 ,  H04N21/462 ,  H04N21/472 ,  H04N21/47211 ,  H04N21/4821 ,  H04N21/4884 ,  H04N21/816

Abstract: An apparatus for receiving a broadcast signal, includes a receiver configured to receive the broadcast signal including physical layer signaling data, signaling data, content data and service guide information, wherein the signaling data is included in a signal frame indicated by the physical layer signaling data, wherein the signaling data includes mapping information between a service and a PLP, and information supporting channel scanning and service acquisition, wherein the service guide information includes a service fragment having information about the broadcast service and a content fragment having information about content data of the broadcast service, wherein the content fragment further includes a content-level PrivateExt element having component information of the content data, wherein the component information includes information for a component in the broadcast service, and wherein the component is one of a video component, an audio component, and a closed caption component (CC).

公开(公告)号：US20180145862A1

公开(公告)日：2018-05-24

申请号：US15877068

申请日：2018-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong CHOI ,  Woosuk KO ,  Sangchul MOON ,  Sungryong HONG

IPC: H04L27/26 ,  H04B7/0413 ,  H04L27/34 ,  H04L27/38

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04L27/22 ,  H04L27/2627 ,  H04L27/3444 ,  H04L27/362 ,  H04L27/38 ,  H04W4/06

Abstract: A method and apparatus are provided for receiving/transmitting broadcast signals. One method includes receiving broadcast signals; demodulating the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, wherein signal frames in the received broadcast signals include physical signaling data and service data; MIMO (Multi Input Multi Output) processing the demodulated broadcast signals based on at least one of a phase-hopping matrix with a phase rotation angle and a rotation matrix with a rotation angle, wherein a value of the rotation angle depends on a modulation order and a code rate of the service data; demapping data in the MIMO processed broadcast signals; and decoding the demapped data based on the code rate, wherein when the modulation order is Non-Uniform Constellation (NUC) 16 Quadrature amplitude modulation (QAM) and the code rate is one of 2/15, 3/15, 4/15, or 5/15, then the value of the rotation angle is zero degrees.

公开(公告)号：US20180131552A1

公开(公告)日：2018-05-10

申请号：US15864470

申请日：2018-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

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

CPC classification number: H04L27/265 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2608 ,  H04L27/263 ,  H04L27/2637 ,  H04L2001/0093

Abstract: A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to perform demodulation on the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frequency de-interleaver to frequency de-interleave the demodulated broadcast signals by using a different interleaving sequence, wherein the different interleaving sequence is used for data corresponding to an OFDM symbol pair or data corresponding to an OFDM symbol according to an FFT size of the demodulation, a frame parser to parse at least one signal frame from the frequency de-interleaved broadcast signals and a decoder to decode service data in the parsed at least one signal frame.

公开(公告)号：US20180123761A1

公开(公告)日：2018-05-03

申请号：US15798142

申请日：2017-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Jongseob BAEK ,  Kookyeon KWAK ,  Woosuk KO

IPC: H04L5/00 ,  H04L27/26 ,  H04L29/06

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04H20/59 ,  H04H20/72 ,  H04J13/0062 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0026 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L65/4076 ,  H04L65/80

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the time interleaved DP data, modulating data in the built at least one signal frame by an OFDM scheme and transmitting the broadcast signals having the modulated data, wherein the at least one signal frame includes emergency alert information.

公开(公告)号：US20180091836A1

公开(公告)日：2018-03-29

申请号：US15556612

申请日：2016-03-23

Applicant: LG Electronics Inc.

Inventor： Jangwon LEE ,  Jongyeul SUH ,  Soojin HWANG ,  Minsung KWAK ,  Woosuk KO ,  Kyoungsoo MOON ,  Sungryong HONG

IPC: H04N21/2362 ,  H04L29/06 ,  H04N19/37 ,  H04N19/70 ,  H04N21/2343 ,  H04N21/81 ,  H04N21/845

CPC classification number: H04N21/2362 ,  H04L65/4076 ,  H04L65/607 ,  H04L65/80 ,  H04N13/20 ,  H04N19/103 ,  H04N19/30 ,  H04N19/37 ,  H04N19/463 ,  H04N19/70 ,  H04N21/2343 ,  H04N21/235 ,  H04N21/647 ,  H04N21/816 ,  H04N21/845

Abstract: The present invention proposes a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention proposes a system which can support a next generation broadcast service in an environment supporting a next generation hybrid broadcast using a terrestrial broadcast network and an Internet network. Further, the present invention proposes an efficient signaling scheme which can cover both the terrestrial broadcast network and the Internet network in an environment supporting the next generation hybrid broadcast.

公开(公告)号：US20180027306A1

公开(公告)日：2018-01-25

申请号：US15711089

申请日：2017-09-21

Applicant: LG ELECTRONICS INC.

Inventor： Seungjoo AN ,  Kyoungsoo MOON ,  Jinwon LEE ,  Woosuk KO ,  Sejin OH ,  Donghyun KANG ,  Sungryong HONG

IPC: H04N21/81 ,  H04N21/8358 ,  H04N21/41

CPC classification number: H04N21/8133 ,  H04H20/93 ,  H04H60/13 ,  H04H2201/50 ,  H04N21/2353 ,  H04N21/2383 ,  H04N21/23892 ,  H04N21/4126 ,  H04N21/4622 ,  H04N21/64322 ,  H04N21/8358 ,  H04N21/8547 ,  H04N21/8586

Abstract: A method of providing a broadcast content, comprising: receiving a broadcast content from an external input source, the broadcast content derived from a broadcast stream, wherein the broadcast content includes a plurality of watermarks carrying fragments of full watermark information, wherein the full watermark information includes first URL data and second URL data, the first URL data including signaling bits which identify a portion of a final URL, the second URL data including the rest of the final URL, wherein values of the signaling bits are pre-assigned to specific URL strings, wherein the full watermark information further includes type information and point information, the type information specifying type of a corresponding watermark, and the point information identifying where the corresponding watermark is embedded in the broadcast content; extracting the watermarks from the broadcast content; re-assembling the full watermark information using the watermarks.

公开(公告)号：US20170373916A1

公开(公告)日：2017-12-28

申请号：US15540006

申请日：2015-12-23

Applicant: LG Electronics Inc.

Inventor： Sejin OH ,  Woosuk KO ,  Sungryong HONG

IPC: H04L29/06

CPC classification number: H04L29/06455 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0079 ,  H04L29/0619 ,  H04L65/4076 ,  H04L65/607 ,  H04L65/608 ,  H04L69/22 ,  H04L2001/0093

Abstract: The present invention proposes a method of transmitting a broadcast signal. The method of transmitting a broadcast signal according to the present invention proposes a system capable of supporting future broadcast services in an environment supporting future hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, an efficient signaling method capable of covering terrestrial broadcast networks and the Internet in an environment supporting future hybrid broadcast is proposed.

公开(公告)号：US20170366327A1

公开(公告)日：2017-12-21

申请号：US15692556

申请日：2017-08-31

Applicant: LG Electronics Inc.

Inventor： Byounggill KIM ,  Jaehyung Jaehyung ,  Woosuk KO ,  Sungryong HONG

IPC: H04L5/00 ,  H04H20/59 ,  H04H20/42 ,  H04L27/26 ,  H04H20/33

CPC classification number: H04L5/0092 ,  H04H20/33 ,  H04H20/423 ,  H04H20/59 ,  H04L5/0048 ,  H04L27/2613

Abstract: The apparatus for transmitting broadcast signals, the apparatus comprises an encoder for encoding service data corresponding to each of a plurality of data transmission path, wherein each of the data transmission path carries at least one service component, a frame builder for building at least one signal frame including the encoded service 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, wherein each of the at least one signal frame includes a preamble having signaling data, wherein the signaling data includes size of FFT, information of whether the signal frame including EAC message or not and information relating to the service data of the signal frame.

公开(公告)号：US20170310518A1

公开(公告)日：2017-10-26

申请号：US15646468

申请日：2017-07-11

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H03M13/25 ,  H03M13/27 ,  H04L12/18 ,  H04L1/00 ,  H03M13/29 ,  H03M13/11 ,  H03M13/15 ,  H03M13/09

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/271 ,  H03M13/2906 ,  H04L1/0004 ,  H04L1/001 ,  H04L1/0025 ,  H04L1/0041 ,  H04L1/0052 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0091 ,  H04L12/18 ,  H04L12/189 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2628 ,  H04L27/265

Abstract: A broadcast signal receiver is provided that includes an Orthogonal Frequency Division Multiplexing (OFDM) demodulator configured to OFDM demodulate a received broadcast signal; a pilot detector configured to detect pilots included in the broadcast signal; a frame parser configured to parse a signal frame of the broadcast signal and to output Physical Layer Pipe (PLP) data, the signal frame comprising a bootstrap, a preamble, and a data part; and a decoder configured to perform Forward Error Correction (FEC) decoding on the PLP data. The bootstrap comprises preamble structure information about the preamble. The preamble comprises a plurality of preamble symbols. The preamble carries Layer 1 (L1) signaling data for the signal frame. A first preamble symbol has a minimum number of carriers (NoC) and the first preamble symbol comprises NoC-related information indicating an NoC for at least one remaining preamble symbol.

公开(公告)号：US20170295051A1

公开(公告)日：2017-10-12

申请号：US15436131

申请日：2017-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04B7/0413 ,  H04L1/00

CPC classification number: H04B7/0413 ,  H04H60/11 ,  H04H60/73 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2626 ,  H04L27/2649 ,  H04L2001/0093

Abstract: A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in each physical path by a TI (Time Interleaving) block, wherein the time deinterleaver further performs inserting at least one virtual FEC block into at least one TI block of the service data, wherein each TI block includes a variable number of FEC blocks of the service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block and a decoder to decode the time deinterleaved service data.