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公开(公告)号：US09948416B2
公开(公告)日：2018-04-17
申请号：US15114348
申请日：2015-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Jinwon Lee , Seungryul Yang , Woosuk Ko , Sungryong Hong , Minsung Kwak , Woosuk Kwon , Sejin Oh , Kyoungsoo Moon , Seungjoo An , Jungwook Park , Jangwon Lee
IPC: H04N21/472 , H04N21/81 , H04N21/61 , H04H20/59 , H04H20/08 , H04H60/90 , H04N21/41 , H04N21/439 , H04N21/44 , H04N21/858 , H04N21/431 , H04N21/436 , H04N21/4722
CPC classification number: H04H20/59 , H04H20/08 , H04H60/90 , H04N21/4122 , H04N21/4316 , H04N21/43615 , H04N21/4394 , H04N21/44008 , H04N21/4722 , H04N21/6112 , H04N21/6118 , H04N21/6125 , H04N21/814 , H04N21/858 , H04N21/8586
Abstract: An apparatus for processing a hybrid broadcast service, the apparatus comprising a reception module for receiving broadcast signals though a broadcast channel or contents through a broadband channel for the hybrid broadcast service, wherein the broadcast signals include data for the hybrid broadcast service and an EAM (Emergency Alert message) and a processor for receiving a request from a companion device and sending at least one of a content or continuous components or files or data or media timeline information of the EAM (Emergency Alert message) based on the request, wherein the continuous components or the files or the data are a part of the hybrid broadcast service which is currently selected.
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公开(公告)号：US09942018B2
公开(公告)日：2018-04-10
申请号：US14458794
申请日：2014-08-13
Applicant: LG ELECTRONICS INC.
Inventor： Jaeho Hwang , Woosuk Ko , Sungryong Hong
CPC classification number: H04L5/0053 , H04H20/33 , H04L1/0041 , H04L1/0045 , H04L1/0057 , H04L1/0065 , H04L1/0071 , H04L5/0007 , H04L5/0023 , H04L27/2602
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, processing input streams into BB (Base Band) frames of PLPs (Physical Layer Pipes); encoding data of the PLPs; building at least one signal frame by mapping the encoded data of the PLPs; and modulating data in the built signal frame by OFDM (Orthogonal Frequency Division Multiplexing) method and transmitting the broadcast signals having the modulated data, wherein the signal frame includes PLS (Physical Layer Signaling) data having signaling information for the data of the PLPs.
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公开(公告)号：US09942002B2
公开(公告)日：2018-04-10
申请号：US15217756
申请日：2016-07-22
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Seoyoung Back , Sungryong Hong
IPC: H04L1/00 , H04B1/16 , H04L5/00 , G06F11/10 , H03M13/27 , H04L12/18 , H03M13/25 , H03M13/00 , H03M13/11 , H03M13/15
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaving, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a FEC (Forward Error Correction) block in the plural PLPs; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data.
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公开(公告)号：US09936054B2
公开(公告)日：2018-04-03
申请号：US15022273
申请日：2016-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Minsung Kwak , Jangwon Lee , Woosuk Ko , Sungryong Hong
IPC: H04L29/08 , H04L29/06 , H04N21/643
CPC classification number: H04L69/324 , H04L65/80 , H04L69/326 , H04N21/4383 , H04N21/6112 , H04N21/6125 , H04N21/6405 , H04N21/6408 , H04N21/643 , H04N21/64322 , H04N21/8456 , H04N21/85406
Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention supports future broadcast services under an environment supporting future hybrid broadcasting using terrestrial broadcast networks and the Internet. In addition, the present invention provides efficient signaling methods capable of using both terrestrial broadcast networks and the Internet under the environment supporting future hybrid broadcasting.
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公开(公告)号：US09935809B2
公开(公告)日：2018-04-03
申请号：US15586771
申请日：2017-05-04
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung Kim , Chulkyu Mun , Woosuk Ko , Jongseob Baek , Sungryong Hong
CPC classification number: H04L27/265 , H04L1/0041 , H04L1/0042 , H04L1/0045 , H04L1/0071 , H04L5/0023 , H04L5/005 , H04L27/2602 , H04L27/2607 , H04L27/2611 , H04L27/2613 , H04L27/2647 , H04L27/2655 , H04L27/2665 , H04W72/005
Abstract: A broadcast signal receiver includes a demodulator configured to perform Orthogonal Frequency Division Multiplexing (OFDM) demodulation on a received broadcast signal; a frame parser configured to derive service data by parsing a signal frame of the received broadcast signal based on a number of carriers of the signal frame; a decoder configured to perform error correction on the service data; and an output processor configured to receive the service data and output a data stream, wherein the number of carriers of the signal frame is determined by equation: NoC=NoC_max−k*Δ, the NoC being the number of carriers, the NoC_max being maximum number of carriers, the k being a reducing coefficient and the Δ being a control unit value, wherein the k ranges from 0 to 4 and the Δ is 96 for 8K Fast Fourier Transform (FFT), 192 for 16K FFT, 384 for 32K FFT.
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Patent Agency Ranking
公开(公告)号：US09935734B2
公开(公告)日：2018-04-03
申请号：US14712021
申请日：2015-05-14
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Seoyoung Back , Sungryong Hong
IPC: H04L1/00 , H04B1/16 , H04L5/00 , G06F11/10 , H03M13/27 , H04L12/18 , H03M13/25 , H03M13/00 , H03M13/11 , H03M13/15
CPC classification number: H04L1/0041 , G06F11/10 , H03M13/1148 , H03M13/1165 , H03M13/152 , H03M13/253 , H03M13/255 , H03M13/271 , H03M13/2721 , H03M13/2732 , H03M13/2742 , H03M13/2767 , H03M13/2792 , H03M13/618 , H03M13/6541 , H04B1/16 , H04L1/0045 , H04L1/0058 , H04L1/0059 , H04L1/0065 , H04L1/0071 , H04L5/0044 , H04L12/18
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaving, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a FEC (Forward Error Correction) block in the plural PLPs; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data.
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公开(公告)号：US09888271B2
公开(公告)日：2018-02-06
申请号：US15115567
申请日：2015-04-27
Applicant: LG ELECTRONICS INC.
Inventor： Minsung Kwak , Seungryul Yang , Kyoungsoo Moon , Woosuk Ko , Sungryong Hong
IPC: H04N5/445 , H04N21/2362 , H04N21/434 , H04N21/462 , H04N21/2389
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: The present invention provides a method for transmitting a broadcast signal. A method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of: generating service guide information, which includes information for accessing a broadcast service, and content data, wherein the service guide information includes a service fragment which displays information related to the broadcast service; encoding the service guide information and the content data which have been generated; and transmitting the service guide information and the content data which have been encoded.
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公开(公告)号：US09883133B2
公开(公告)日：2018-01-30
申请号：US15021606
申请日：2014-09-04
Applicant: LG ELECTRONICS INC.
Inventor： Woosuk Kwon , Seoungjoo An , Woosuk Ko , Sejin Oh , Kyoungsoo Moon , Sungryong Hong
IPC: H04N7/16 , H04N5/46 , H04N21/414 , H04N21/426 , H04N21/442 , H04N21/45 , H04N21/61 , H04H20/24 , H04N7/08
CPC classification number: H04N5/46 , H04H20/24 , H04N7/08 , H04N21/41407 , H04N21/42638 , H04N21/44209 , H04N21/4524 , H04N21/6112 , H04N21/6131
Abstract: Disclosed is a broadcast receiving device. A terrestrial broadcast receiving unit receives a terrestrial broadcasting service. A mobile receiving unit receives a mobile broadcasting service transmitted via a network for mobile communication. A control unit allows the terrestrial broadcasting service and the mobile broadcasting service to be selectively received.
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公开(公告)号：US09882755B2
公开(公告)日：2018-01-30
申请号：US15398123
申请日：2017-01-04
Applicant: LG ELECTRONICS INC.
Inventor： Byounggill Kim , Jaehyung Kim , Jaeho Hwang , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2613 , H04L1/0057 , H04L1/0065 , H04L1/0071 , H04L5/0007 , H04L5/0023 , H04L5/0048 , H04L27/2628 , H04L2001/0093 , H04W4/06
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes encoding service data of Physical Layer Pipes (PLPs); bit interleaving the encoded service data; building at least one signal frame including the bit interleaved service data; and modulating data in the at least one signal frame by Orthogonal Frequency Division Multiplexing (OFDM) method; inserting a preamble at a beginning of each of the at least one signal frame after the modulating step; and transmitting the broadcast signals having the modulated data, wherein the preamble includes two OFDM symbols and each of the two OFDM symbols is generated by a sequence multiplication, and wherein each of the two OFDM symbols in the preamble includes information for an emergency alert.
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公开(公告)号：US09866297B2
公开(公告)日：2018-01-09
申请号：US14908410
申请日：2014-08-01
Applicant: LG ELECTRONICS INC.
Inventor： Sangchul Moon , Woosuk Ko , Sungryong Hong , Jinwoo Kim , Jongwoong Shin
IPC: H04B7/02 , H04B7/04 , H04N7/08 , H04L27/26 , H04N21/236 , H04N21/2362 , H04N21/2381 , H04N21/2383 , H04N21/414 , H04N21/434 , H04N21/438 , H04N21/61 , H04L1/00 , H04B7/0413 , H04L5/00
CPC classification number: H04B7/0478 , H04B7/0413 , H04L1/0041 , H04L1/0047 , H04L1/0057 , H04L1/0063 , H04L5/0023 , H04L5/0053 , H04L5/0091 , H04L27/2601 , H04L27/2637 , H04L27/2646 , H04N7/08 , H04N21/23614 , H04N21/2362 , 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 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.
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