公开(公告)号：US09350472B2

公开(公告)日：2016-05-24

申请号：US14477167

申请日：2014-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Woochan Kim ,  Jongseob Baek ,  Chulkyu Mun ,  Woosuk Ko ,  Sungryong Hong

IPC: H04K1/10 ,  H04H20/71 ,  H04L27/26 ,  H04H20/42 ,  H04H60/07 ,  H04N21/2383

CPC classification number: H04L27/2627 ,  H04B7/0413 ,  H04B7/06 ,  H04H20/42 ,  H04H20/71 ,  H04H60/07 ,  H04L5/0044 ,  H04L25/03242 ,  H04L25/03891 ,  H04L27/00 ,  H04L27/2602 ,  H04L27/2634 ,  H04L27/2649 ,  H04N7/08 ,  H04N21/234 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/4382

Abstract: An apparatus for transmitting broadcast signals comprises an encoder for encoding service data corresponding to each of a plurality of transmission unit, where each of a plurality of transmission unit carries at least one service component, a frame builder for building at least one signal frame including the encoded service data, a phase distortion unit for performing a phase distortion on data in the built at least one signal frame, a modulator for modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals including the modulated data.

Abstract translation: 用于发送广播信号的装置包括：编码器，用于编码对应于多个传输单元中的每一个的服务数据，其中多个传输单元中的每一个承载至少一个服务组件;框架构建器，用于构建至少一个包括 编码服务数据，用于对构成的至少一个信号帧中的数据执行相位失真的相位失真单元，用于通过OFDM（正交频分复用）方案调制所构建的至少一个信号帧中的数据的调制器，以及发射机 用于发送包括调制数据的广播信号。

公开(公告)号：US09264476B2

公开(公告)日：2016-02-16

申请号：US14540385

申请日：2014-11-13

Applicant: LG Electronics Inc.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04K1/10 ,  H04L29/06 ,  H04L27/26 ,  H04N21/20 ,  H04N21/2383 ,  H04H20/33 ,  H04H20/42

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.

Abstract translation: 这里公开了一种用于发送广播信号的方法。 该方法包括将输入流格式化为多个数据管道（DP）。 将输入流格式化为多个DP包括将输入流分割成多个数据流，删除数据流中包含的空分组，以及通过向数据流添加报头来形成基带帧（BBF）。 基带帧包括指示被删除的空分组的数量的删除的空分组（DNP）字段，并且该DNP字段包括第一DNP或第二DNP中的至少一个。

公开(公告)号：US09191082B2

公开(公告)日：2015-11-17

申请号：US14256817

申请日：2014-04-18

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: H04B1/38 ,  H04B7/04 ,  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.

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：US20150288554A1

公开(公告)日：2015-10-08

申请号：US14681158

申请日：2015-04-08

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04B7/04 ,  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 receiving 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 a signal frame from the demodulated broadcast signals, wherein the signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in each physical path by a TI (Time Interleaving) block, wherein the time deinterleaver further performs inserting at least one virtual FEC block into at least one TI block of the service data, wherein each TI block includes a variable number of FEC blocks of the 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 and a decoder to decode the time deinterleaved service data.

Abstract translation: 公开了一种用于接收广播信号的方法和装置。 用于接收广播信号的装置，该装置包括接收广播信号的接收机，解调器，用OFDM（正交频分复用）方案解调所接收的广播信号;解码器，用于从解调的广播信号中解码信号帧 ，其中所述信号帧包括与多个物理路径中的每一个对应的服务数据，时间去交织器，用于通过TI（时间交织）块对每个物理路径中的时间解交织服务数据，其中所述时间解交织器还执行插入至少一个虚拟 FEC块到服务数据的至少一个TI块中，其中每个TI块包括可变数量的服务数据的FEC块，其中基于FEC块的最大数量来定义所述至少一个虚拟FEC块的数量 的TI块和解码器解码时间去交织的服务数据。

公开(公告)号：US20150215746A1

公开(公告)日：2015-07-30

申请号：US14604417

申请日：2015-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Byeongkook Jeong ,  Woosuk Ko ,  Youngjin Hong ,  Sungryong Hong

IPC: H04W4/06 ,  H04L27/36 ,  H04L27/26

CPC classification number: H04W4/06 ,  H04L27/2627 ,  H04L27/2634 ,  H04L27/3405 ,  H04L27/365

Abstract: The present invention provides an apparatus of transmitting broadcast signals. The apparatus includes, an encoder encoding service data, a constellation mapper mapping the encoded service data by either QAM, NUQ (Non Uniform QAM) or NUC (Non Uniform Constellation), a mapper mapping the mapped service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a modulator modulating data in the built at least one signal frame by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data.

Abstract translation: 本发明提供一种发送广播信号的装置。 该装置包括：编码服务数据的编码器，通过QAM，NUQ（非均匀QAM）或NUC（非均匀星座）映射编码服务数据的星座映射器，将映射的服务数据映射到多个OFDM（正交 频分复用）符号以构建至少一个信号帧，调制器通过OFDM方案调制所建立的至少一个信号帧中的数据，以及发送器具有调制数据的广播信号。

公开(公告)号：US20140294002A1

公开(公告)日：2014-10-02

申请号：US14158573

申请日：2014-01-17

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 Jung

IPC: H04L12/18 ,  H04L12/931

CPC classification number: H04L12/18 ,  H04J13/0062 ,  H04L1/0072 ,  H04L27/2613 ,  H04L49/201 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/4382

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals including encoding DP (Data Pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building a signal frame including the time interleaved DP data, modulating data in the built signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, and transmitting the broadcast signals having the modulated data, wherein the broadcast signals are carried in consecutive super frames, wherein each of the super frames includes multiplexed signal frames for different service in a time domain, wherein the signal frame includes a preamble located at the beginning of the at least one signal frame, wherein the preamble includes signaling information for identifying the signal frame.

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数据的信号帧， 通过OFDM（正交频分复用）方式构建信号帧，并且发送具有调制数据的广播信号，其中广播信号在连续超帧中承载，其中每个超帧包括用于不同业务的多路复用信号帧 时域，其中所述信号帧包括位于所述至少一个信号帧的开始处的前导码，其中所述前导码包括用于识别所述信号帧的信令信息。

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：US12301498B2

公开(公告)日：2025-05-13

申请号：US17791365

申请日：2021-01-07

Applicant: LG Electronics Inc.

Inventor： Woosuk Ko ,  Hanbyul Seo ,  Seoyoung Back ,  Jaeho Hwang

IPC: H04L5/00

Abstract: A first device receives information related to an absolute location of a positioning reference from the positioning reference; obtains a first PRS reception timing based on a positioning reference signal (PRS) received from the positioning reference; obtains a second PRS reception timing at which a second device receives the PRS from the positioning reference, based on a phase difference value between first RSs received on first subcarriers from the second device; obtains a third PRS reception timing at which a third device receives the PRS from the positioning reference, based on a phase difference value between second RSs received on second subcarriers from the third device; estimates a relative location of the positioning reference, based on the first PRS reception timing, the second PRS reception timing, and the third PRS reception timing; and obtains location information of the first device based on the absolute location and the relative location.

公开(公告)号：US12259489B2

公开(公告)日：2025-03-25

申请号：US17790786

申请日：2021-01-25

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Hanbyul Seo

IPC: G01S5/12 ,  H04W4/40 ,  H04W64/00

Abstract: Disclosed are a method and apparatus for determining a position of a Vehicle-to-Everything (V2X) device in a wireless communication system according to various embodiments. Disclosed are a method and apparatus, the method comprising the steps of: receiving a first signal from a first road side unit (RSU) and a second signal from a second RSU through a first antenna and a second antenna distributed over a predetermined distance; measuring a first time difference that is a reception time difference for the first signal and a second time difference that is a reception time difference for the second signal between the first antenna and the second antenna; and determining the position of the V2X device on the basis of the first time difference and the second time difference.

公开(公告)号：US12245207B2

公开(公告)日：2025-03-04

申请号：US17737572

申请日：2022-05-05

Applicant: LG Electronics Inc.

Inventor： Woosuk Ko ,  Hanbyul Seo ,  Seungmin Lee

IPC: H04W72/0446 ,  H04W24/08 ,  H04W72/02

Abstract: A method of operating a first apparatus 100 in a wireless communication system is proposed. The method may comprise: performing partial sensing on at least one sidelink (SL) slot related to at least one first candidate slot to be subject to resource re-evaluation or pre-emption; performing the resource re-evaluation or the pre-emption based on a result of the partial sensing; and performing resource selection based on the resource re-evaluation or the pre-emption.