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公开(公告)号：US20170126251A1
公开(公告)日：2017-05-04
申请号：US15402838
申请日：2017-01-10
Applicant: LG Electronics Inc.
Inventor： Jongseob BAEK , Byounggill KIM, I , Woochan KIM , Jaehyung KIM , Sungryong HONG , Chulkyu MUN , Jinyong CHOI , Jaeho HWANG , Kookyeon KWAK , Woosuk KO
CPC classification number: H03M13/2792 , H03M13/1102 , H04L1/0041 , H04L1/0042 , H04L1/0045 , H04L1/0048 , H04L1/0057 , H04L1/0058 , H04L1/0071 , H04L1/0083 , H04L5/0007 , H04L5/0023 , H04L5/0048 , H04L27/2613 , H04L27/2627 , H04L2001/0093
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding DP data according to a code rate, wherein the encoding further includes LDPC encoding the DP data according to the code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, MIMO (Multi Input Multi Output) encoding the mapped DP data, and time interleaving the MIMO encoded DP data; building at least one signal frame by arranging the encoded DP data; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the step of modulating includes inserting CPs in the built signal frame based on a CP set which includes information about locations of CPs, wherein the CP set is defined based on FFT size.
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公开(公告)号：US20170117989A1
公开(公告)日：2017-04-27
申请号：US15377839
申请日：2016-12-13
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Sungryong HONG
CPC classification number: H04L1/0083 , H03M13/1165 , H03M13/152 , H03M13/253 , H03M13/255 , H03M13/27 , H03M13/2707 , H03M13/271 , H03M13/2721 , H03M13/2778 , H03M13/6552 , H04B7/046 , H04L1/0041 , H04L1/0042 , H04L1/0061 , H04L1/0065 , H04L1/0068 , H04L1/0071 , H04L1/0075 , H04L1/04 , H04L5/0007 , H04L5/0044 , H04L27/2649 , H04L65/4076 , H04L65/607 , H04L65/80 , H04L69/24
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding, by an encoder, PLP(Physical Layer Pipe) data; time interleaving, by a time interleaver, the encoded PLP data; frame mapping, by a framer, the time interleaved PLP data onto at least one signal frames; frequency interleaving, by a frequency interleaver, data in the at least one signal frames; and waveform modulating, by a waveform module, the frequency interleaved data in the at least one signal frame and transmitting, by the waveform module, broadcast signals having the modulated data, wherein the frequency interleaving is conducted according to an interleaving mode, wherein the interleaving mode is determined based on a FFT (Fast Fourier Transform) size.
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43.发明申请APPARATUS FOR TRANSMITTING BROADCAST SIGNALS, APPARATUS FOR RECEIVING BROADCAST SIGNALS, METHOD FOR TRANSMITTING BROADCAST SIGNALS AND METHOD FOR RECEIVING BROADCAST SIGNALS 审中-公开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：US20170019440A1
公开(公告)日：2017-01-19
申请号：US15056716
申请日：2016-02-29
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Sungryong HONG
CPC classification number: H04L1/0071 , H04B7/0413 , H04L1/0041 , H04L1/0057 , H04L1/0061 , H04L1/0075 , H04L1/04 , H04L5/0007 , H04L27/2602 , H04L27/2608 , H04L27/2628 , H04L27/2647 , H04L27/2692 , H04L65/4076 , H04L65/607 , H04L65/80 , H04L2001/0093 , H04W72/0446
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data, a frame builder to build at least one signal frame including the encoded service data, wherein a signal frame includes at least one preamble symbol and at least one sub-frame, a frequency interleaver to frequency interleave data in at least one of the preamble and a sub-frame in the at least one signal frame by using a different interleaving sequence generated based on an interleaving sequence and a symbol offset, a modulator to modulate the frequency interleaved data by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data.
Abstract translation: 公开了一种用于发送广播信号的方法和装置。 用于发送广播信号的装置，该装置包括：编码器，对服务数据进行编码;帧构建器，用于构建至少一个包括经编码的服务数据的信号帧，其中，信号帧包括至少一个前导符号和至少一个子帧 频率交织器，用于通过使用基于交织序列和符号偏移产生的不同交织序列对所述至少一个信号帧中的所述前同步码和子帧中的至少一个频率交织数据;调制器，用于调制频率 通过OFDM（正交频分复用）方案的交织数据和发射机发送具有调制数据的广播信号。
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公开(公告)号：US20160344655A1
公开(公告)日：2016-11-24
申请号：US15161925
申请日：2016-05-23
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Seoyoung BACK , Sungryong HONG
IPC: H04L12/927 , H04L29/06
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：US20160315735A1
公开(公告)日：2016-10-27
申请号：US15199177
申请日：2016-06-30
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Seoyoung BACK , Woosuk KO , Sungryong HONG
CPC classification number: H03M13/2792 , H03M13/1102 , H04B7/0413 , H04B7/046 , H04B7/0606 , H04L1/0041 , H04L1/0042 , H04L1/0048 , H04L1/0057 , H04L1/0071 , H04L1/0083 , H04L1/08 , H04L27/2649 , H04L65/4076 , H04L2001/0093
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; processing, by a framing and interleaving block, the encoded data in the plural PLPs to output at least one signal frame; and waveform modulating, by a waveform generation block, 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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Patent Agency Ranking
公开(公告)号：US20160294596A1
公开(公告)日：2016-10-06
申请号：US15146211
申请日：2016-05-04
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Seoyoung BACK , Sungryong HONG
CPC classification number: H04L1/0071 , H03M13/00 , H03M13/1165 , H03M13/152 , H03M13/159 , H03M13/253 , H03M13/255 , H03M13/2707 , H03M13/271 , H03M13/2721 , H03M13/2778 , H03M13/2906 , H03M13/6356 , H03M13/655 , H03M13/6552 , H04B1/04 , H04B7/0413 , H04L1/0041 , H04L1/0057 , H04L1/0059 , H04L1/0065 , H04L1/0075 , H04L5/0007 , H04L12/18 , H04L27/2601 , H04L27/2626 , H04L27/2627 , H04L2001/0093
Abstract: A method and an apparatus for transmitting 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 at least one signal frame from the demodulated broadcast signals, wherein a signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in the at least one signal frame, a decoder to decode the time deinterleaved service data.
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公开(公告)号：US20160277038A1
公开(公告)日：2016-09-22
申请号：US15052565
申请日：2016-02-24
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Jongwoong SHIN , Woosuk KO , Sungryong HONG
CPC classification number: H04L1/0071 , H03M13/2792 , H04B1/10 , H04H60/11 , H04L1/0033 , H04L1/0036 , H04L1/0045 , H04L1/06 , H04L1/0625 , H04L1/0668 , H04L5/0023 , H04L5/0048 , H04L27/2626 , H04L27/2655
Abstract: Disclosed is a broadcast signal receiver. The broadcast signal receiver includes a synchronization and demodulation unit configured to perform signal detection and OFDM demodulation on a reception signal comprising layer division multiplexing (LDM) data, a frame parsing/deinterleaving unit configured to parse the signal frame of the reception signal and to deinterleave the LDM data, a first demapping/decoding unit configured to obtain the data of a first layer by demapping and forward error correction (FEC)-encoding the LDM data, an interference removal unit configured to remove the data of the first layer from the LDM data and to output the data of a second layer, and a second demapping/decoding unit configured to demap and FEC-decode the data of the second layer.
Abstract translation: 公开了广播信号接收机。 广播信号接收机包括同步和解调单元，被配置为对包括层分复用（LDM）数据的接收信号执行信号检测和OFDM解调，帧解析/解交织单元被配置为解析接收信号的信号帧并解交织 LDM数据，第一解映射/解码单元，被配置为通过对LDM数据进行解映射和转发纠错（FEC）来获得第一层的数据;干扰去除单元，被配置为从LDM中去除第一层的数据 数据并输出第二层的数据，以及第二解映射/解码单元，被配置为对第二层的数据进行解映射和FEC解码。
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公开(公告)号：US20160218906A1
公开(公告)日：2016-07-28
申请号：US14837729
申请日：2015-08-27
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2649 , H03M13/09 , H03M13/1165 , H03M13/152 , H03M13/255 , H03M13/271 , H03M13/2721 , H03M13/2732 , H03M13/2778 , H03M13/2792 , H03M13/2906 , H04L1/0041 , H04L1/0048 , H04L1/0057 , H04L1/0071 , H04L5/0048 , H04L12/189 , H04L27/2613 , H04L27/2626 , H04L27/2647 , H04L27/2675 , H04L69/22 , H04L69/323 , H04L2001/0093
Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to the present invention comprises a synchronization/demodulation module carrying out signal detection and OFDM demodulation on a received broadcast signal; a frame parsing and deinterleaving module parsing and deinterleaving a signal frame of the broadcast signal; a demapping and decoding module converting data of at least one Physical Layer Pipe (PLP) of the broadcast signal into a bit domain and performing FEC decoding on the converted data; and an output processing module receiving data of the at least one PLP and outputting the received data into a data stream.
Abstract translation: 公开了广播信号接收机。 根据本发明的广播信号接收机包括对所接收的广播信号执行信号检测和OFDM解调的同步/解调模块; 帧分析和解交织模块解析和解交织广播信号的信号帧; 解映射和解码模块，将广播信号的至少一个物理层管道（PLP）的数据转换成位域并对转换的数据执行FEC解码; 以及输出处理模块，其接收所述至少一个PLP的数据并将所接收的数据输出到数据流中。
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公开(公告)号：US20160218748A1
公开(公告)日：2016-07-28
申请号：US14837542
申请日：2015-08-27
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Sungryong HONG
CPC classification number: H04L27/2649 , H03M13/09 , H03M13/1165 , H03M13/152 , H03M13/255 , H03M13/271 , H03M13/2721 , H03M13/2732 , H03M13/2778 , H03M13/2792 , H03M13/2906 , H04L1/0041 , H04L1/0048 , H04L1/0057 , H04L1/0071 , H04L5/0048 , H04L12/189 , H04L27/2613 , H04L27/2626 , H04L27/2647 , H04L27/2675 , H04L69/22 , H04L69/323 , H04L2001/0093
Abstract: A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module configured to perform baseband formatting and to output at least one PLP (Physical Layer Pipe) data; a BICM (Bit Interleaved Coded Modulation) module configured to perform an error correction process on the PLP data; a framing and interleaving module configured to interleave the PLP data and to generate a signal frame; and a waveform generating module configured to generate a broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation.
Abstract translation: 公开了广播信号发射机。 根据本发明实施例的广播信号发射机包括：输入格式化模块，被配置为执行基带格式化并输出至少一个PLP（物理层管道）数据; 配置为对PLP数据执行纠错处理的BICM（比特交错编码调制）模块; 成帧和交织模块，被配置为交织所述PLP数据并生成信号帧; 以及波形生成模块，被配置为通过在所述信号帧中插入前导码并执行OFDM调制来生成广播信号。
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公开(公告)号：US20160050048A1
公开(公告)日：2016-02-18
申请号：US14924199
申请日：2015-10-27
Applicant: LG Electronics Inc.
Inventor： Jongseob BAEK , Jaehyung KIM , Woosuk KO , Sungryong HONG
CPC classification number: H04H20/72 , H04B7/0413 , H04L1/0071 , H04L27/2601 , H04L27/2626 , H04L27/2627 , H04L27/2637 , H04L27/2647 , H04L27/2649 , H04L27/265
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 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 interleaver calculates an interleaving address for the different interleaving-seed based on a main-PRBS sequence and a cyclic shifting value, 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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