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公开(公告)号：US09838235B2
公开(公告)日：2017-12-05
申请号：US14918350
申请日：2015-10-20
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 transmitter is disclosed. A broadcast signal transmitter according to the present invention comprises an input formatting module configured to de-multiplex an input stream into at least one PLP (Physical Layer Pipe); a BICM (Bit Interleaved Coded Modulation) module configured to perform error correction processing on the data of the least one PLP; a frame building module configured to generate a signal frame including the at least one PLP; a waveform generating module configured to generate the broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation.
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公开(公告)号：US09832056B2
公开(公告)日：2017-11-28
申请号：US15379150
申请日：2016-12-14
Applicant: LG Electronics Inc.
Inventor： Jinwoo Kim , Jaehyung Kim , Sungryong Hong , Jaeho Hwang , Jongwoong Shin , Woosuk Ko
CPC classification number: H04L27/2602 , H03M13/09 , H03M13/1102 , H03M13/152 , H04L1/0013 , H04L1/0041 , H04L1/0042 , H04L1/0045 , H04L1/0058 , H04L1/0061 , H04L1/0064 , H04L1/0068 , H04L1/0071 , H04L5/0023 , H04L5/0053 , H04L27/2601 , H04N5/00 , H04N5/067
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data corresponding to each of a plurality of data transmission units, an encoder for encoding physical signaling data by a shortening scheme and a puncturing scheme, a mapper for mapping the encoded service data onto constellations, a frame builder for building at least one signal frame including preamble 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.
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公开(公告)号：US20170331657A1
公开(公告)日：2017-11-16
申请号：US15614109
申请日：2017-06-05
Applicant: LG Electronics Inc.
Inventor： Jongseob Baek , Byeongkook Jeong , Jaehyung Kim , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/265 , H03M13/00 , H03M13/152 , H03M13/255 , H03M13/27 , H03M13/2778 , H03M13/2906 , H04L1/0041 , H04L1/0058 , H04L1/0061 , H04L1/0071 , H04L1/0075 , H04L1/04 , H04L5/0007 , H04L5/0023 , H04L5/0044 , H04L5/0053 , H04L27/2602 , H04L27/2607 , H04L27/2626 , H04L27/2627 , H04L27/2647 , H04L27/2649 , H04L2001/0093
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, wherein the frequency interleaving is performed by using two memories, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.
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公开(公告)号：US20170317867A1
公开(公告)日：2017-11-02
申请号：US15654329
申请日：2017-07-19
Applicant: LG Electronics Inc.
Inventor： Jongseob Baek , Jongwoong Shin , Jaehyung Kim , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2602 , H03M13/09 , H03M13/1102 , H03M13/152 , H03M13/255 , H03M13/27 , H03M13/271 , H03M13/2742 , H03M13/2778 , H03M13/2906 , H04L1/0041 , H04L1/0045 , H04L1/0071 , H04L1/0083 , H04L5/0053 , H04L27/2605 , H04L27/2626 , H04L27/2627 , H04L27/2634 , H04L27/265 , H04L2001/0093
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data, wherein the different interleaving-seed is generated based on a cyclic shifting value and wherein an interleaving seed is variable based on an FFT size of the modulating.
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公开(公告)号：US09806930B2
公开(公告)日：2017-10-31
申请号：US15431143
申请日：2017-02-13
Applicant: LG Electronics Inc.
Inventor： Hotaek Hong , Sangchul Moon , Joonhui Lee , Woosuk Ko
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.
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Patent Agency Ranking
公开(公告)号：US09800952B2
公开(公告)日：2017-10-24
申请号：US15101365
申请日：2014-12-01
Applicant: LG ELECTRONICS INC.
Inventor： Seungjoo An , Kyoungsoo Moon , Jinwon Lee , Woosuk Ko , Sejin Oh , Donghyun Kang , Sungryong Hong
IPC: H04N21/81 , H04N21/8358 , H04N21/2389 , H04N21/462 , H04N21/858 , H04H20/93 , H04N21/235 , H04N21/41 , H04N21/2383 , H04N21/643 , H04H60/13 , H04N21/8547
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: The present invention provides a method of transmitting broadcast signals. The method includes, receiving an uncompressed broadcast content from an external receiving unit, wherein an watermark is embedded in a frame of the uncompressed broadcast content; extracting the embedded watermark from the uncompressed broadcast content; parsing the extracted watermark; generating an URL by using information in the parsed watermark; and launching an application by using the generated URL, wherein the application provides the interactive services related to the uncompressed broadcast content.
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公开(公告)号：US09800390B2
公开(公告)日：2017-10-24
申请号：US14465394
申请日：2014-08-21
Applicant: LG Electronics Inc.
Inventor： Byounggill Kim , Jaehyung Kim , Woosuk Ko , Sungryong Hong
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.
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公开(公告)号：US09787516B2
公开(公告)日：2017-10-10
申请号：US15485012
申请日：2017-04-11
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
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.
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公开(公告)号：US09781470B2
公开(公告)日：2017-10-03
申请号：US15073098
申请日：2016-03-17
Applicant: LG ELECTRONICS INC.
Inventor： Woosuk Ko , Sangchul Moon , Hotaek Hong
IPC: H04N21/4402 , H04N21/434 , H03M13/25 , H04H60/11 , H04L5/00 , H04L27/26 , H04N21/262 , H03M13/27 , H04B7/0413 , H04L1/00 , H04N19/66 , H04N21/426 , H04N21/431 , H04N21/438 , H04N21/2362 , H04N21/643 , 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.
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公开(公告)号：US09780981B2
公开(公告)日：2017-10-03
申请号：US15357843
申请日：2016-11-21
Applicant: LG Electronics Inc.
Inventor： Jaeho Hwang , Woosuk Ko , Sungryong Hong
IPC: H04L27/00 , H04L27/26 , H04L29/06 , H04N21/20 , H04N21/2383 , H04H20/33 , H04H20/42 , H04W28/06 , H04N21/236 , H04N21/2381
CPC classification number: H04L27/2602 , H04H20/33 , H04H20/42 , H04L5/0023 , H04L27/2627 , H04L27/2649 , H04L65/60 , H04L65/607 , H04N21/20 , H04N21/236 , H04N21/2381 , H04N21/2383 , H04W28/065
Abstract: Disclosed herein is a method for sending a broadcast signal. The method includes formatting input streams into multiple data pipes (DPs). Formatting the input streams into the multiple DPs includes splitting the input streams into multiple data streams, deleting a null packet included in a data stream, and forming a baseband frame (BBF) by adding a header to the data stream. The baseband frame includes a deleted null packet (DNP) field indicative of the number of deleted null packets, and the DNP field comprises at least one of a first DNP or a second DNP.
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