公开(公告)号：US20140198875A1

公开(公告)日：2014-07-17

申请号：US14157314

申请日：2014-01-16

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

IPC: H04L27/26 ,  H04H20/59

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.

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方法包括编码携带至少一个服务的DP（数据管道）数据，将编码的DP数据映射到星座上，对映射的DP数据进行时间交织，构建包括时间交织的DP数据的至少一个信号帧，调制数据 在通过OFDM方案构建的至少一个信号帧中，并发送具有调制数据的广播信号，其中至少一个信号帧包括紧急警报信息。

公开(公告)号：US11696285B2

公开(公告)日：2023-07-04

申请号：US17345226

申请日：2021-06-11

Applicant: LG ELECTRONICS INC.

Inventor： Yong Hak Suh ,  Woochan Kim

IPC: H04W72/20

CPC classification number: H04W72/20

Abstract: The present disclosure may provide a for receiving, by a terminal, a signal in a wireless communication system. Herein, the method for receiving, by the terminal, the signal may include: receiving common message configuration information and private message configuration information from a base station; receiving a signal including a common message and a private message from the base station; decoding the common message based on the common message configuration information; restoring a frequency signal by using the decoded common message; subtracting the restored frequency signal of the common message from the received signal; and decoding the private message.

公开(公告)号：US20190238160A1

公开(公告)日：2019-08-01

申请号：US16382073

申请日：2019-04-11

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Sungryong Hong ,  Chulkyu Mun ,  Jinyong Choi ,  Jaeho Hwang ,  Kookyeon Kwak ,  Woosuk Ko

IPC: H03M13/27 ,  H04L5/00 ,  H04L1/00 ,  H04L27/26 ,  H03M13/11

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.

公开(公告)号：US10181929B2

公开(公告)日：2019-01-15

申请号：US15689805

申请日：2017-08-29

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong ,  Chulkyu Mun ,  Jinyong Choi ,  Jaeho Hwang ,  Jongseob Baek ,  Kookyeon Kwak ,  Byeongkook Jeong

IPC: H04L1/00 ,  H04L1/06 ,  H04L27/26 ,  H04L1/08

Abstract: The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding Data Pipe, DP, data, wherein the encoding further includes Forward Error Correction, FEC, encoding the DP data, Bit interleaving the FEC 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 at least one built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data, wherein each of the at least one signal frame includes at least one preamble having repeated at least one signaling information.

公开(公告)号：US20180287739A1

公开(公告)日：2018-10-04

申请号：US15937115

申请日：2018-03-27

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu Kim ,  Woochan Kim ,  Sangrim Lee ,  Hojae Lee

IPC: H04L1/00 ,  H04L5/14 ,  H04L5/00 ,  H04J11/00

Abstract: A method for a base station processing an in-band emission interference signal caused when the base station operating in a Full Duplex Radio (FDR) mode transceives signals using a Frequency Division Multiplexing (FDM) manner includes transmitting a downlink signal in a flexible downlink duration of an uplink band; and processing the in-band emission interference signal caused by transmission of the downlink signal in an uplink duration of the uplink band, wherein the processing of the in-band emission interference signal is performed by puncturing a corresponding resource of the uplink duration, wherein the resource on the downlink signal is transmitted is mirrored to the corresponding resource of the uplink duration from a Direct Current (DC) subcarrier as a reference.

公开(公告)号：US09602888B2

公开(公告)日：2017-03-21

申请号：US14911414

申请日：2014-08-12

Applicant: LG ELECTRONICS INC.

Inventor： Woochan Kim ,  Sungryong Hong ,  Woosuk Ko ,  Jaeho Hwang ,  Byounggill Kim ,  Jaehyung Kim

IPC: H04N21/81 ,  H04N7/08 ,  H04N21/61 ,  H04N5/38 ,  H04N21/2383 ,  H04N21/438

CPC classification number: H04N21/814 ,  H04L69/22 ,  H04N5/38 ,  H04N7/08 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/6112 ,  H04N21/615

Abstract: The present invention relates to a broadcast signal transmitting apparatus for transmitting a broadcast signal, a broadcast signal receiving apparatus for receiving a broadcast signal, and a method for transmitting and receiving a broadcast signal. A broadcast signal transmitting method according to the present invention may comprise the steps of: encoding data pipe (DP) data corresponding to each of a plurality of DPs that transmit one or more service components; mapping the encoded DP data to data symbols to generate one or more signal frames; modulating data existing in the one or more signal frames through an OFDM scheme; and transmitting a broadcast signal having the modulated data.

公开(公告)号：US09503167B2

公开(公告)日：2016-11-22

申请号：US14881957

申请日：2015-10-13

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong Choi ,  Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong ,  Chulkyu Mun ,  Jaeho Hwang ,  Jongseob Baek ,  Kookyeon Kwak ,  Sangchul Moon

IPC: H04K1/02 ,  H04B7/04 ,  H04L1/00 ,  H04L1/06 ,  H04L27/20 ,  H04B7/10

CPC classification number: H04H20/44 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/10 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L5/0023 ,  H04L27/2046 ,  H04L27/34

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe, DP, data; Low-Density Parity-Check, LDPC, encoding the DP data according to a code rate; bit interleaving the LDPC encoded DP data; mapping the bit interleaved DP data onto constellations according to one of QAM (Quadrature Amplitude Modulation), NUQ (Non-Uniform QAM) or NUC (Non-Uniform Constellation); Multi-Input Multi-Output, MIMO, encoding the mapped DP data by using a MIMO encoding matrix having a MIMO encoding parameter; building at least one signal frame by mapping the MIMO 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.

公开(公告)号：US09485110B2

公开(公告)日：2016-11-01

申请号：US14330740

申请日：2014-07-14

Applicant: LG Electronics Inc.

Inventor： Woochan Kim ,  Sungryong Hong ,  Woosuk Ko ,  Jaeho Hwang ,  Byounggill Kim ,  Jaehyung Kim

IPC: H04L12/18 ,  H04W4/22 ,  H04L27/26

CPC classification number: H04H20/59 ,  H04B7/0413 ,  H04L12/1895 ,  H04L27/2601 ,  H04L27/261 ,  H04L69/22 ,  H04L69/323 ,  H04W4/90

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding PLP data; building at least one signal frame by mapping the encoded PLP data; and modulating data in the built signal frame by OFDM method and transmitting a broadcast signal having the modulated data, wherein the signal frame includes a preamble having a preamble symbol and a guard interval, wherein the guard interval is generated by using a sequence and the preamble symbol.

Abstract translation: 公开了一种用于发送广播信号的方法和装置。 发送广播信号的方法包括编码PLP数据; 通过映射编码的PLP数据构建至少一个信号帧; 以及通过OFDM方法调制内置信号帧中的数据并发送具有调制数据的广播信号，其中信号帧包括具有前同码符号和保护间隔的前同步码，其中通过使用序列和前导码生成保护间隔 符号。

公开(公告)号：US09246730B2

公开(公告)日：2016-01-26

申请号：US14307004

申请日：2014-06-17

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Sungryong Hong ,  Chulkyu Mun ,  Jinyong Choi ,  Jaeho Hwang ,  Kookyeon Kwak ,  Woosuk Ko

IPC: H04L23/02 ,  H04L27/06 ,  H04L27/26 ,  H04L1/00

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.

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方法包括根据码率对DP数据进行编码，其中编码还包括根据码率对DP数据进行LDPC编码，对LDPC编码的DP数据进行比特交织，将位交织的DP数据映射到星座，MIMO （多输入多输出）编码映射的DP数据，以及对MIMO编码的DP数据进行时间交织; 通过布置编码的DP数据构建至少一个信号帧; 以及通过OFDM方法调制内置信号帧中的数据并发送具有调制数据的广播信号，其中调制步骤包括基于包括关于CP位置的信息的CP集合在内建信号帧中插入CP，其中CP 基于FFT大小定义集合。

公开(公告)号：US20150155981A1

公开(公告)日：2015-06-04

申请号：US14549262

申请日：2014-11-20

Applicant: LG Electronics Inc.

Inventor： Woochan Kim ,  Jaeho Hwang ,  Byounggill Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0007 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2627 ,  H04L27/2649 ,  H04L27/2656 ,  H04L2001/0093

Abstract: Provided is a method for transmitting a broadcast signal, including: formatting input streams into multiple data pipes (DPs); encoding data of the multiple DPs for each DP; generating at least one signal frames by mapping the encoded data; and modulating data of the generated signal frame using an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal comprising the modulated data of the signal frame, wherein the signal frame includes a preamble, a PLS (Physical Layer Signaling) and EAC (Emergency Alert Channel), the preamble and the PLS include EAC flag information indicating whether there exists EAC in the signal frame, and when the EAC flag information indicates that there exists EAC in the current frame, the PLS further comprises EAC length information, and when the EAC flag information indicates that there doesn't exist EAC in the current frame, the PLS further comprises control information related to EAC transmission.

Abstract translation: 提供了一种用于发送广播信号的方法，包括：将输入流格式化成多个数据管道（DP）; 编码每个DP的多个DP的数据; 通过映射编码数据来产生至少一个信号帧; 以及使用正交频分复用（OFDM）方式调制所生成的信号帧的数据，并发送包括所述信号帧的调制数据的广播信号，其中所述信号帧包括前置码，PLS（物理层信令）和EAC（ 紧急报警信道），前导码和PLS包括指示信号帧中是否存在EAC的EAC标志信息，当EAC标志信息表示当前帧中存在EAC时，PLS还包括EAC长度信息，当 EAC标志信息表示当前帧中不存在EAC，PLS还包括与EAC传输相关的控制信息。