公开(公告)号：US20230254838A1

公开(公告)日：2023-08-10

申请号：US17906789

申请日：2021-04-13

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Young Dae KIM ,  Chang Soo LEE

IPC: H04W72/12 ,  H04W64/00

CPC classification number: H04W72/12 ,  H04W64/00

Abstract: The present disclosure is for performing positioning by means of a beamformed signal in a wireless communication system. An operation method by a terminal in a wireless communication system can comprise the steps of: transmitting first messages requesting transmission of a positioning reference signal (PRS) by means of a plurality of transmission beams; receiving from a second terminal a second message indicating at least one transmission beam among the plurality of transmission beams; transmitting a third message, comprising scheduling information for transmission of the PRS, to the second terminal by means of the transmission beam; and receiving the PRS from the second terminal on the basis of the scheduling information.

公开(公告)号：US20180167636A1

公开(公告)日：2018-06-14

申请号：US15882587

申请日：2018-01-29

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jinwoo KIM ,  Inhwan CHOI ,  Byounggill KIM ,  Wongyu SONG

IPC: H04N19/66 ,  H04N21/61 ,  H04N21/438 ,  H03M13/27 ,  H03M13/29 ,  H03M13/35 ,  H04L1/00 ,  H04N21/2389 ,  H04N21/2383 ,  H04N7/24 ,  H04L29/00 ,  H04L27/06 ,  H04L25/02 ,  H04L27/00 ,  H03M13/25 ,  H04N21/236 ,  H03M13/09 ,  H04N21/2362 ,  H04H20/57 ,  H03M13/15

CPC classification number: H04N19/66 ,  H03M13/09 ,  H03M13/1515 ,  H03M13/256 ,  H03M13/2721 ,  H03M13/2921 ,  H03M13/293 ,  H03M13/2966 ,  H03M13/2972 ,  H03M13/356 ,  H04H20/57 ,  H04L1/005 ,  H04L1/0057 ,  H04L1/006 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/0071 ,  H04L25/0212 ,  H04L27/06 ,  H04L29/00 ,  H04L2001/0093 ,  H04L2027/0026 ,  H04N7/24 ,  H04N21/23608 ,  H04N21/23611 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/2389 ,  H04N21/4382 ,  H04N21/4383 ,  H04N21/6112

Abstract: A transmitting system, a receiving system, and a method of processing broadcast signals are disclosed. The method for processing a broadcast signal in a broadcast receiver comprises receiving a DTV signal including a data group, the data group including mobile service data, segmented known data sequences, long known data sequences and transmission parameter data, compensating carrier frequency offset of the DTV signal and channel-equalizing the carrier frequency offset compensated DTV signal using at least one of the long known data sequences and segmented known data sequences in the data group of the DTV signal, wherein the channel-equalizing includes performing a Error Correction (FEC) decoding on data located between the segmented known data sequences, and estimating Channel Impulse Response (CIR) using the FEC decoded data as known data.

公开(公告)号：US20170134200A1

公开(公告)日：2017-05-11

申请号：US15353414

申请日：2016-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jongseob BAEK ,  Byounggill KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H03M13/15 ,  H03M13/00 ,  H04L1/00

CPC classification number: H04L27/2602 ,  H03M13/156 ,  H03M13/6519 ,  H04L1/0042 ,  H04L1/0047 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2628 ,  H04L27/265 ,  H04W4/06

Abstract: An apparatus for transmitting a broadcast signal includes an input formatting module configured to de-multiplex an input stream into at least one Data Pipe (DP); a BICM module configured to perform error correction processing on data of the at least one DP; a signal frame building module configured to map the data of the DP to symbols within a signal frame; and an OFDM generation module configured to generate a transmission broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation. The OFDM generation module includes a pilot signal insertion module configured to insert a pilot signal including Continual Pilots (CP) and Scattered Pilots (SP) into the transmission broadcast signal, and the CPs are inserted into every symbol of the signal frame, and location and number of the CPs are determined based on a Fast Fourier Transform (FFT) size.

公开(公告)号：US20170005843A1

公开(公告)日：2017-01-05

申请号：US15217644

申请日：2016-07-22

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jongseob BAEK ,  Byounggill KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04L27/2602 ,  H03M13/156 ,  H03M13/6519 ,  H04L1/0042 ,  H04L1/0047 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2628 ,  H04L27/265 ,  H04W4/06

Abstract: An apparatus for transmitting a broadcast signal includes an input formatting module configured to de-multiplex an input stream into at least one Data Pipe (DP); a BICM module configured to perform error correction processing on data of the at least one DP; a signal frame building module configured to map the data of the DP to symbols within a signal frame; and an OFDM generation module configured to generate a transmission broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation. The OFDM generation module includes a pilot signal insertion module configured to insert a pilot signal including Continual Pilots (CP) and Scattered Pilots (SP) into the transmission broadcast signal, and the CPs are inserted into every symbol of the signal frame, and location and number of the CPs are determined based on a Fast Fourier Transform (FFT) size.

Abstract translation: 用于发送广播信号的装置包括：输入格式化模块，被配置为将输入流解复用为至少一个数据管道（DP）; BICM模块，被配置为对所述至少一个DP的数据执行纠错处理; 信号帧构建模块，被配置为将所述DP的数据映射到信号帧内的符号; 以及OFDM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调制来生成发送广播信号。 OFDM生成模块包括导频信号插入模块，该导频信号插入模块被配置为将包括连续导频（CP）和散射导频（SP）的导频信号插入到传输广播信号中，并且将CP插入到信号帧的每个符号中， 基于快速傅里叶变换（FFT）大小来确定CP的数量。

公开(公告)号：US20230308909A1

公开(公告)日：2023-09-28

申请号：US18015673

申请日：2021-07-15

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM

IPC: H04W24/04 ,  H04B7/06

CPC classification number: H04W24/04 ,  H04B7/0695

Abstract: In order to recover a beam failure based on sidelink in a wireless communication system, a method of operating a first terminal comprises performing communication with a second terminal using a first beam, transmitting a request signal including information related to a second beam to replace the first beam as a beam failure of the first beam is detected, receiving a response signal corresponding to the request signal from the second terminal, and performing communication with the second terminal using the second beam. The request signal may be transmitted through a resource associated with the second beam among resources related to discovery

公开(公告)号：US20200076658A1

公开(公告)日：2020-03-05

申请号：US16677242

申请日：2019-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Jaehyung KIM ,  Jaeho HWANG ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  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.

公开(公告)号：US20180123754A1

公开(公告)日：2018-05-03

申请号：US15722770

申请日：2017-10-02

Applicant: LG Electronics Inc.

Inventor： Byounggill KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L5/00 ,  H04L27/26 ,  H04L1/08

CPC classification number: H04L5/0046 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L1/08 ,  H04L5/0053 ,  H04L27/0008 ,  H04L27/2601 ,  H04L27/2628 ,  H04L27/265

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. 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 included in a super frame, wherein each of signal frames includes the encoded service data and the encoded signaling data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, wherein each of the modulated signal frame includes a preamble having basic transmission parameters, wherein a length of the preamble is extendable and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.

公开(公告)号：US20170359143A1

公开(公告)日：2017-12-14

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 ,  H04L1/08 ,  H04L27/26

CPC classification number: H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0625 ,  H04L1/0631 ,  H04L1/08 ,  H04L27/2607 ,  H04L27/2613 ,  H04L2001/0093

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：US20160049998A1

公开(公告)日：2016-02-18

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: H04B7/04 ,  H04L27/20

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.

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括将输入流格式化为数据管道，DP，数据; 低密度奇偶校验LDPC，根据码率对DP数据进行编码; 比特交织LDPC编码的DP数据; 根据QAM（正交幅度调制），NUQ（Non-Uniform QAM）或NUC（Non-Uniform Constellation）之一将位交织的DP数据映射到星座上; 多输入多输出MIMO，通过使用具有MIMO编码参数的MIMO编码矩阵对映射的DP数据进行编码; 通过映射MIMO编码的DP数据构建至少一个信号帧; 以及通过正交频分复用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。

公开(公告)号：US20150358941A1

公开(公告)日：2015-12-10

申请号：US14758923

申请日：2014-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jongseob BAEK ,  Kookyeon KWAK ,  Woosuk KO

IPC: H04W72/00 ,  H04L5/00 ,  H04W4/06

CPC classification number: H04W72/005 ,  H04H20/71 ,  H04L5/0007 ,  H04L5/0044 ,  H04N21/236 ,  H04N21/434 ,  H04W4/06

Abstract: The present invention provides a method for transmitting broadcast signal. The method for transmitting a broadcast signal according to the present invention comprises the steps of: demultiplexing at least one input stream into a plurality of DPs (Data Pipes) wherein the step of demultiplexing includes the steps of dividing the input stream into a plurality of DPs in which data of the plurality of DPs include one or more consecutive input packets, segmenting the data of the plurality of DPs into data units each having the same length as that of a payload of a BB frame, cyclic-shifting the input packets of the divided data, allocating the cyclic-shifted input packets to the payload of the BB frame, and inserting a header before the payload of the BB frame; and processing and transmitting the data of the plurality of DPs per DP.

Abstract translation: 本发明提供一种发送广播信号的方法。 根据本发明的用于发送广播信号的方法包括以下步骤：将至少一个输入流解复用为多个DP（数据管道），其中解复用步骤包括以下步骤：将输入流划分为多个DP 其中所述多个DP的数据包括一个或多个连续输入分组，将所述多个DP的数据分段成每个具有与BB帧的有效载荷相同的长度的数据单元，循环移位所述输入分组的输入分组 将循环移位的输入分组分配给BB帧的有效载荷，并在BB帧的有效载荷之前插入报头; 并且每DP处理和发送多个DP的数据。