公开(公告)号：US20150365204A1

公开(公告)日：2015-12-17

申请号：US14760952

申请日：2014-03-17

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 ,  Byeongkook JEONG

IPC: H04L5/00 ,  H04L29/06 ,  H04L1/00

CPC classification number: H04L5/0007 ,  H04H20/423 ,  H04H60/07 ,  H04L1/004 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0618 ,  H04L27/2602 ,  H04L27/36 ,  H04L65/4076 ,  H04L65/605 ,  H04L65/607 ,  H04N21/2383 ,  H04N21/4382

Abstract: The present invention provides a broadcast signal transmitting method. The method for transmitting a broadcast signal according to the present invention may comprise: a step of encoding data pipe (DP) data according to a code rate, the step of encoding DP data comprising a sub-step of forward error correction (FEC) encoding the DP data, a sub-step of bit-interleaving the FEC encoded DP data, and a sub-step of mapping the bit-interleaved DP data to constellation according to the code rate; a step of generating at least one signal frame by mapping the encoded DP data; and a step of modulating data of the generated signal frame by an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal including the modulated data of the signal frame.

Abstract translation: 本发明提供广播信号发送方法。 根据本发明的用于发送广播信号的方法可以包括：根据码率对数据管道（DP）数据进行编码的步骤，对包括前向纠错（FEC）编码的子步骤的DP数据进行编码的步骤 DP数据，对FEC编码的DP数据进行位交织的子步骤，以及根据码率将比特交织的DP数据映射到星座的子步骤; 通过映射编码的DP数据来生成至少一个信号帧的步骤; 以及通过正交频分复用（OFDM）方式调制所生成的信号帧的数据并发送包括信号帧的调制数据的广播信号的步骤。

公开(公告)号：US20150288491A1

公开(公告)日：2015-10-08

申请号：US14681672

申请日：2015-04-08

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L5/00 ,  H04W72/00 ,  H04L27/26 ,  H04L1/00

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 transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data corresponding to each of a plurality of physical paths, a time interleaver to the encoded service data in each physical path by a TI (Time Interleaving) block, wherein at least one virtual FEC block is ahead of FEC blocks in at least one TI block, wherein each TI block includes a variable number of FEC blocks of the encoded 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, a frame builder to build at least one signal frame including the time interleaved DP data, a modulator to modulate data in the built at least one signal frame 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，用于编码对应于多个物理路径中的每一个的服务数据，通过TI（时间交织）块对每个物理路径中的编码服务数据进行时间交织，其中至少 至少一个TI块中的一个虚拟FEC块位于FEC块之前，其中每个TI块包括经编码的服务数据的可变数量的FEC块，其中基于最大值定义所述至少一个虚拟FEC块的数量 TI块的FEC块的数量，构建器以构建包括时间交织的DP数据的至少一个信号帧的调制器，用于通过OFDM（正交频分复用）方案来调制内置的至少一个信号帧中的数据的调制器，以及 发送器，用于发送具有调制数据的广播信号。

公开(公告)号：US20150163082A1

公开(公告)日：2015-06-11

申请号：US14559364

申请日：2014-12-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L5/00 ,  H04W4/06 ,  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: Disclosed is an apparatus for transmitting a broadcast signal, comprising: 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, wherein the OFDM generation module comprises a pilot signal insertion module configured to insert a pilot signal comprising Continual Pilots (CP) and Scattered Pilots (SP) into the transmission broadcast signal, and wherein 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: 公开了一种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，被配置为通过将前导码插入所述信号帧并执行OFDM调制来生成发送广播信号，其中所述OFDM生成模块包括导频信号插入模块，所述导频信号插入模块被配置为插入包括连续导频（CP）和分散的 飞行员（SP）进入传输广播信号，并且其中CP被插入到信号帧的每个符号中，并且基于快速傅里叶变换（FFT）大小来确定CP的位置和数量。

公开(公告)号：US20150146804A1

公开(公告)日：2015-05-28

申请号：US14551728

申请日：2014-11-24

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26

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.

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包括：编码服务数据的编码器，交织编码的服务数据的时间交织器;将交织的服务数据映射成多个OFDM（正交频分复用）符号的映射器，以构建至少一个信号帧; 频率交织器通过使用用于由两个顺序OFDM符号组成的每个OFDM符号对使用的不同的交织种子来交织所述至少一个信号帧中的数据，其中所述频率交织器基于一个不同的交织种子计算不同交织种子的交织地址 主PRBS序列和循环移位值，通过OFDM方式调制频率交织数据的调制器和发送具有调制数据的广播信号的发送器，其中基于循环移位值和FFT大小生成交织种子 的调节。

公开(公告)号：US20150049828A1

公开(公告)日：2015-02-19

申请号：US14459533

申请日：2014-08-14

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26

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.

公开(公告)号：US20240031975A1

公开(公告)日：2024-01-25

申请号：US18026782

申请日：2021-04-12

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Hanbyul SEO

IPC: H04W64/00 ,  G01S5/14 ,  G01S5/00 ,  G01S5/02

CPC classification number: H04W64/003 ,  G01S5/14 ,  G01S5/0072 ,  G01S5/0236

Abstract: The present disclosure relates to a method for performing positioning in a new radio-vehicle to everything (NR-V2X) system, and a device therefor. A method for performing network-based positioning in a new radio-vehicle to everything (NR-V2X) communication system according to an aspect may comprise the steps of determining whether positioning using a relay is required, on the basis of whether there is performance deterioration in positioning of a terminal; determining at least one relay terminal to be used as an anchor node for positioning of the terminal when the positioning using the relay is required; requesting terminal assistant measurement information for the positioning of the terminal from the relay terminal; receiving the terminal assistant measurement information from the relay terminal; and measuring an absolute position of the terminal on the basis of the terminal assistant measurement information.

公开(公告)号：US20220361137A1

公开(公告)日：2022-11-10

申请号：US17638511

申请日：2020-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Hanbyul SEO

IPC: H04W64/00 ,  G01S5/06 ,  G01S5/02

Abstract: A method by which a terminal operates in a wireless communication system, according to one embodiment, comprises the steps of: receiving time difference of arrival (TDoA) slots from anchor nodes (ANs); and measuring the position of the terminal by using the TDoA slots, wherein the TDoA slots include control information of the ANs and positioning reference signals (PRSs) of the ANs.

公开(公告)号：US20220349978A1

公开(公告)日：2022-11-03

申请号：US17639868

申请日：2020-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Hanbyul SEO

IPC: G01S5/00 ,  H04L5/00 ,  H04W4/40 ,  H04W72/12

Abstract: An embodiment is a method for a terminal to perform an operation in a wireless communication system, the method including the steps of: transmitting a request positioning reference signal (PRS) to anchor nodes (ANs); receiving response PRSes for the request RPS from the ANs; and measuring the location of the terminal by using the request PRS and the response PRSes, wherein the terminal transmits scheduling information related to the request PRS and the response PRSes to the ANs.

公开(公告)号：US20220346000A1

公开(公告)日：2022-10-27

申请号：US17640611

申请日：2020-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Hanbyul SEO

IPC: H04W48/20 ,  H04W48/16 ,  H04L5/00 ,  H04W72/04 ,  G01S5/02

Abstract: An embodiment is a method for a terminal to perform an operation in a wireless communication system, the method including the steps of: transmitting a participation request message to peripheral anchor nodes (ANs); receiving participation response messages from candidate ANs among the peripheral ANs; selecting final ANs to be used for measuring the location of the terminal from among the candidate ANs; and measuring the location of the terminal using the final ANs.

公开(公告)号：US20220322439A1

公开(公告)日：2022-10-06

申请号：US17597067

申请日：2019-06-24

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO

IPC: H04W74/08 ,  H04W4/40

Abstract: A method of transmitting data of a V2X communication device is disclosed. The method of transmitting data of the V2X communication device includes measuring a plurality of specific values related to a channel state of a specific channel via a plurality of antenna ports, and each of the plurality of specific values may be measured via each of the plurality of antenna ports. Further, the V2X communication device may determine whether the specific channel is in an idle state based on the plurality of specific values, and, if the specific channel is in the idle state, simultaneously transmit service data to a plurality of adjacent devices via the specific channel using the plurality of antenna ports.