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公开(公告)号：US09992656B2
公开(公告)日：2018-06-05
申请号：US15452335
申请日：2017-03-07
Applicant: LG ELECTRONICS INC.
Inventor： Woochan Kim , Sungryong Hong , Woosuk Ko , Jaeho Hwang , Byounggill Kim , Jaehyung Kim
IPC: H04B7/02 , H04L1/02 , H04W4/22 , H03M13/11 , H03M13/27 , H04B7/0413 , H04L27/26 , H04W4/06 , H03M13/25 , H03M13/29 , H03M13/00 , H04W52/02 , H04L5/00 , H04W76/04 , H04L12/18 , H03M13/09 , H03M13/15
CPC classification number: H04W4/90 , H03M13/09 , H03M13/1165 , H03M13/1177 , H03M13/152 , H03M13/255 , H03M13/27 , H03M13/2792 , H03M13/2906 , H03M13/6356 , H03M13/6362 , H04B7/0413 , H04L5/0007 , H04L12/189 , H04L27/2601 , H04L27/2627 , H04W4/06 , H04W52/0229 , H04W76/27 , Y02D70/00
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding data of PLPs (Physical Layer Pips); 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.
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公开(公告)号：US09992003B2
公开(公告)日：2018-06-05
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
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.
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公开(公告)号：US09986301B2
公开(公告)日：2018-05-29
申请号：US15018952
申请日：2016-02-09
Applicant: LG ELECTRONICS INC.
Inventor： Jangwon Lee , Minsung Kwak , Woosuk Ko , Sungryong Hong
IPC: H04N21/2347 , H04N21/84 , H04N21/6437 , H04N21/64 , H04N21/643 , H04N21/236 , H04N21/2381
CPC classification number: H04N21/64322 , H04N21/2381
Abstract: A method for processing a broadcast signal includes encoding broadcast data for at least one broadcast service; encoding first level signaling information including attribute information regarding the at least one broadcast service; encoding second level signaling information including information for listing the at least one broadcast service; and generating a broadcast signal including the encoded broadcast data, the first level signaling information, and the second level signaling information.
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公开(公告)号：US09979579B2
公开(公告)日：2018-05-22
申请号：US15436131
申请日：2017-02-17
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
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.
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公开(公告)号：US09973366B2
公开(公告)日：2018-05-15
申请号：US15671840
申请日：2017-08-08
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
IPC: H04L27/26 , H04N21/2383 , H04N21/61 , H04H60/91 , H04H60/07 , H04H20/72 , H04B7/0413 , H04H20/57 , H04L1/00
CPC classification number: H04L27/2646 , H04B7/0413 , H04B7/0697 , H04H20/57 , H04H20/72 , H04H60/07 , H04H60/91 , H04L1/0041 , H04L1/0071 , H04L1/0072 , H04L1/0075 , H04L27/2601 , H04L27/2649 , H04L27/2655 , H04L2001/0093 , H04N21/2383 , H04N21/6112 , H04N21/6131
Abstract: A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module performing baseband formatting and outputting at least one Physical Layer Pipe (PLP) data; a BICM module error-correction processing the PLP data; a framing & interleaving module interleaving the PLP data and generating a signal frame; and a waveform generating module inserting a preamble into the signal frame and generating a broadcast signal by performing OFDM modulation.
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Patent Agency Ranking
公开(公告)号：US09954709B2
公开(公告)日：2018-04-24
申请号：US15362312
申请日：2016-11-28
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Jaehyung Kim , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2627 , H04L1/0041 , H04L1/0058 , H04L1/0071 , H04L1/04 , H04L5/0007 , H04L5/0053 , H04L27/2602 , H04L27/2604 , H04L27/2626 , H04L27/2628 , H04L27/2633 , H04L27/2647 , H04L27/265
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.
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公开(公告)号：US20180109407A1
公开(公告)日：2018-04-19
申请号：US15844148
申请日：2017-12-15
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：US09948489B2
公开(公告)日：2018-04-17
申请号：US14992496
申请日：2016-01-11
Applicant: LG ELECTRONICS INC.
Inventor： Byeongkook Jeong , Woosuk Ko , Youngjin Hong , Sungryong Hong , Jaeho Hwang
IPC: H04L27/00 , H04L27/36 , H03K9/02 , H03D1/24 , H04L27/34 , H04B7/0413 , H04B7/06 , H04H20/71 , H04L1/00 , H04L27/26 , H03M13/11 , H03M13/27 , H04L27/38 , H04L5/00
CPC classification number: H04L27/3444 , H03M13/1102 , H03M13/1165 , H03M13/152 , H03M13/253 , H03M13/255 , H03M13/2707 , H03M13/2778 , H03M13/2792 , H03M13/2906 , H04B7/0413 , H04B7/0615 , H04H20/71 , H04L1/00 , H04L1/0041 , H04L1/0045 , H04L1/0057 , H04L1/0058 , H04L1/0071 , H04L1/0075 , H04L5/0023 , H04L27/0008 , H04L27/26 , H04L27/2602 , H04L27/2627 , H04L27/2697 , H04L27/3416 , H04L27/361 , H04L27/38 , H04L2001/0093
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, processing input streams into plural PLPs; encoding data of the each PLPs according to code rates, wherein the encoding data of the each PLPs further includes, encoding data of at least one PLP with LDPC codes, bit interleaving the LDPC encoded data of the PLP, mapping the bit interleaved data onto a set of constellations according to the code rate, MIMO encoding the mapped data, and time interleaving the MIMO encoded data; building at least one signal frame by mapping the encoded data of the each PLPs; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the bit interelaved data of each PLPs are mapped by using either QAM, NUQ, or NUC.
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公开(公告)号：US09948426B2
公开(公告)日：2018-04-17
申请号：US15613600
申请日：2017-06-05
Applicant: LG Electronics Inc.
Inventor： Jongseob Baek , Seoyoung Back , Woosuk Ko , Sungryong Hong
CPC classification number: H04L1/0041 , H04B7/04 , H04H20/71 , H04L1/004 , H04L1/0044 , H04L1/0048 , H04L1/0071 , H04L1/0075 , H04L5/0053 , H04L27/36 , H04L47/806 , H04L69/22 , H04L2001/0093
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding, by an encoder, data in plural PLPs (Physical Layer Pipes); processing, by a framing and interleaving block, the encoded data in the plural PLPs, wherein the processing the encoded data further includes: time interleaving, by a time interleaver, the encoded data in the plural PLPs, frame mapping, by a framer, the time interleaved data onto at least one signal frame, and frequency interleaving, by a frequency interleaver, data in the at least one signal frame; and waveform modulating, by a waveform generation block, the frequency interleaved data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data.
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公开(公告)号：US09935657B2
公开(公告)日：2018-04-03
申请号：US15496299
申请日：2017-04-25
Applicant: LG Electronics Inc.
Inventor： Jongseob Baek , Woosuk Ko , Seoyoung Back , Sungryong Hong
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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