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公开(公告)号：US10158510B2
公开(公告)日：2018-12-18
申请号：US15466471
申请日：2017-03-22
Applicant: LG ELECTRONICS INC.
Inventor： Jaeho Hwang , Woosuk Ko , Sungryong Hong , Jongwoong Shin , Jinwoo Kim
IPC: H04B7/02 , H04L1/02 , H04L27/26 , H04B7/0413 , H04L5/00
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. An apparatus for transmitting broadcast signals 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 mapper for mapping the encoded service data onto constellations, an encoder for encoding physical signaling data, a frame builder for building at least one signal frame including preamble data, the encoded physical signaling data, the mapped service data, wherein the preamble data is located before the encoded physical signaling data and the encoded physical signaling data is located before the mapped service data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame, wherein the broadcast signals includes channel information data, wherein the channel information data includes binding information between the service data and the data transmission path.
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公开(公告)号：US10158449B2
公开(公告)日：2018-12-18
申请号：US15900280
申请日：2018-02-20
Applicant: LG ELECTRONICS INC.
Inventor： Jaeho Hwang , Woosuk Ko , Sungryong Hong
Abstract: A method and apparatus for receiving broadcast signals are discussed. The method includes receiving the broadcast signals; demodulating the received broadcast signals by an Orthogonal Frequency Division Multiplex (OFDM) scheme; obtaining broadcast data from a signal frame in the demodulated broadcast signals, wherein the broadcast data includes video data or audio data, and the broadcast data is carried by only a Data Pipe (DP); decoding the broadcast data; and output-processing the decoded broadcast data to output a data packet, wherein the data packet includes a Transport Stream (TS) packet, wherein a header of the data packet includes first information indicating whether a header deletion is performed in the TS packet, wherein the header of the data packet further includes second information indicating whether a null packet deletion is performed, and wherein when the second information is not a zero value, the null packet is deleted prior to the data packet.
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公开(公告)号：US10079663B2
公开(公告)日：2018-09-18
申请号：US15443383
申请日：2017-02-27
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：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：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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Patent Agency Ranking
公开(公告)号：US09860021B2
公开(公告)日：2018-01-02
申请号：US14782913
申请日：2014-04-14
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Byounggill Kim , Woochan Kim , Jaehyung Kim , Woosuk Ko , Sungryong Hong , Chulkyu Mun , Jinyong Choi , Jaeho Hwang , Kookyeon Kwak , Sangchul Moon
IPC: H04L1/00 , H04H60/73 , H04L27/26 , H04N21/426 , H04H20/72
CPC classification number: H04L1/0071 , H04H20/72 , H04H60/73 , H04L1/0042 , H04L27/2626 , H04L27/2647 , H04N21/42607
Abstract: A broadcast signal transmitting device according to one embodiment of the present invention comprises: an encoder for forward error correction (FEC) encoding data pipe (DP) data transmitted via multiple DPs, wherein each DP transmits at least one service or at least one service component; a signaling encoder for encoding signaling data; an interleaver for interleaving the encoded DP data; a frame builder for mapping the interleaved DP data and the encoded signaling data and then generating at least one signal frame, wherein the interleaved DP data is mapped according to the type of the DPs transmitting the respective DP data, and wherein the encoded signaling data includes type information indicative of the type of each DP; a modulation unit for modulating the at least one generated signal frame in an orthogonal frequency division multiplexing (OFDM) scheme; and a transmitter for transmitting a broadcast signal including the at least one modulated signal frame.
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公开(公告)号：US09712292B2
公开(公告)日：2017-07-18
申请号：US14894881
申请日：2014-05-28
Applicant: LG ELECTRONICS INC.
Inventor： Chulkyu Mun , Byounggill Kim , Woochan Kim , Jaehyung Kim , Sungryong Hong , Jinyong Choi , Jaeho Hwang , Jongseob Baek , Kookyeon Kwak , Woosuk Ko
CPC classification number: H04L5/0007 , H04B7/0413 , H04H20/00 , H04H20/72 , H04H60/73 , H04L1/00 , H04L5/0048 , H04L65/607
Abstract: An apparatus for transmitting a broadcast signal according to one embodiment of the present invention comprises: an encoder for encoding data pipe (DP) data corresponding to a DP which transmits at least one broadcast service or broadcast service component; a mapper for mapping the encoded DP data on a constellation; a time interleaver for time-interleaving the mapped DP data; a frame builder for generating at least one signal frame builder for generating at least one signal frame including the time-interleaved DP data; a pilot inserting unit for inserting signal frame, according to at least one pilot pattern; an OFDM modulator for OFDM-modulating the at least one generated signal frame using OFDM parameters; and a transmitter for transmitting at least one broadcast signal including the at least one modulated signal frame.
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公开(公告)号：US09621393B2
公开(公告)日：2017-04-11
申请号：US15153282
申请日：2016-05-12
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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19.发明授权Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals 有权用于发送广播信号的装置，用于接收广播信号的装置，用于发送广播信号的方法和用于接收广播信号的方法公开(公告)号：US09559885B2
公开(公告)日：2017-01-31
申请号：US14930289
申请日：2015-11-02
Applicant: LG Electronics Inc.
Inventor： Jaeho Hwang , Sungryong Hong , Woosuk Ko
IPC: H04K1/10 , H04L27/26 , H04L29/06 , H04L1/00 , H04N21/236 , H04N21/2383 , H04L5/00
CPC classification number: H04L27/2627 , H04L1/0041 , H04L1/0058 , H04L1/0061 , H04L1/0071 , H04L1/0075 , H04L1/0082 , H04L1/08 , H04L5/0007 , H04L5/0044 , H04L5/0053 , H04L27/2602 , H04L27/2647 , H04L69/22 , H04L2001/0093 , H04N21/236 , H04N21/23611 , H04N21/2381 , H04N21/2383 , H04W4/06
Abstract: Disclosed is a method for transmitting broadcast signals, including: formatting input streams to a plurality of data pipes (DPs), wherein the formatting comprises allocating data packets to a payload of a baseband frame (BBF), and adding a header indicating a format of the payload of the baseband frame, and the header comprises at least one of first control information and second control information.
Abstract translation: 公开了一种用于发送广播信号的方法，包括：将输入流格式化为多个数据管道（DP），其中格式化包括将数据分组分配给基带帧（BBF）的有效载荷，以及添加表示格式的标题 基带帧的有效载荷和报头包括第一控制信息和第二控制信息中的至少一个。
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公开(公告)号：US20160197753A1
公开(公告)日：2016-07-07
申请号：US14989487
申请日：2016-01-06
Applicant: LG Electronics Inc.
Inventor： Jaeho Hwang , Woosuk Ko , Sungryong Hong
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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