公开(公告)号：US20160112067A1

公开(公告)日：2016-04-21

申请号：US14885882

申请日：2015-10-16

Applicant: LG ELECTRONICS INC.

Inventor： Jong Moon KIM ,  In Hwan CHOI ,  Kook Yeon KWAK ,  Byoung Gill KIM ,  Won Gyu SONG ,  Jin Woo KIM ,  Hyoung Gon LEE

IPC: H03M13/27 ,  H03M13/09 ,  H04L12/18 ,  H04L1/00

CPC classification number: H03M13/2792 ,  H03M13/09 ,  H04L1/0041 ,  H04L7/0029 ,  H04L7/042 ,  H04L12/189 ,  H04L27/0014 ,  H04L2027/003 ,  H04N21/2383 ,  H04N21/4382 ,  H04W4/06

Abstract: A digital broadcast receiving system includes a known data detector, a carrier recovery unit, and a timing recovery unit. The known data detector may detect known data information inserted and transmitted from a digital broadcast transmitting system and using the known data information to estimate initial frequency offset. The carrier recovery unit may obtain initial synchronization by using the initial frequency offset, and may detect frequency offset from the received data by using the known sequence position indicator so as to perform carrier recovery. The timing recovery unit may detect timing error information from the received signal by using the known sequence position indicator so as to perform timing recovery.

公开(公告)号：US20160028506A1

公开(公告)日：2016-01-28

申请号：US14878747

申请日：2015-10-08

Applicant: LG Electronics Inc.

Inventor： In Hwan CHOI ,  Kook Yeon KWAK ,  Byoung Gill KIM ,  Jin Woo KIM ,  Hyoung Gon LEE ,  Won Gyu SONG

IPC: H04L1/00 ,  H04L12/18 ,  H03M13/27

CPC classification number: H04L1/0042 ,  G06F11/10 ,  H03M13/2792 ,  H04H20/30 ,  H04H20/57 ,  H04H40/27 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/006 ,  H04L1/0065 ,  H04L1/007 ,  H04L12/189 ,  H04L25/0202 ,  H04L27/066 ,  H04L63/08 ,  H04L2025/03382 ,  H04N21/23608 ,  H04N21/2365 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/41407 ,  H04N21/4347 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/44008 ,  H04N21/6433

Abstract: A method of processing broadcast data in a broadcast transmitter. The method can include randomizing broadcast service data, first encoding the randomized broadcast service data to add parity data to the randomized broadcast service data, second encoding the first-encoded broadcast service data at a code rate of D/E (D

Abstract translation: 一种在广播发射机中处理广播数据的方法。 该方法可以包括随机化广播服务数据，首先对随机广播服务数据进行编码以将奇偶校验数据添加到随机广播服务数据中，以D / E（D

公开(公告)号：US20150207590A1

公开(公告)日：2015-07-23

申请号：US14600889

申请日：2015-01-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyen O OH ,  In Hwan CHOI ,  Kook Yeon KWAK ,  Byoung Gill KIM ,  Won Gyu SONG ,  Jin Woo KIM ,  Hyoung Gon LEE

IPC: H04L1/00 ,  H04H20/71

CPC classification number: H03M13/2792 ,  H03M13/2906 ,  H04H20/71 ,  H04L1/0041 ,  H04L1/0071 ,  H04N19/42 ,  H04N19/44 ,  H04N19/89 ,  H04N21/2365 ,  H04N21/4347 ,  H04N21/4382

Abstract: A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data.

公开(公告)号：US20140164882A1

公开(公告)日：2014-06-12

申请号：US14181461

申请日：2014-02-14

Applicant: LG Electronics Inc.

Inventor： Hyoung Gon LEE ,  In Hwan CHOI ,  Kook Yeon KWAK ,  Jong Moon KIM ,  Won Gyu SONG ,  Byoung Gill KIM ,  Jin Woo KIM

IPC: H04L1/00

CPC classification number: H03M13/2792 ,  H03M13/1515 ,  H03M13/2703 ,  H03M13/6522 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0054 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/007 ,  H04L1/0071 ,  H04N21/235 ,  H04N21/23614 ,  H04N21/2383 ,  H04N21/4348 ,  H04N21/435 ,  H04N21/4382

Abstract: A DTV transmitting system includes an encoder, a randomizer, a block processor, a group formatter, a deinterleaver, and a packet formatter. The encoder codes enhanced data for error correction, permutes the coded data, and further codes the permuted data for error detection. The randomizer randomizes the coded enhanced data, and the block processor codes the randomized data at an effective coding rate of 1/H. The group formatter forms a group of enhanced data having data regions, and inserts the coded enhanced data into at least one of the data regions. The deinterleaver deinterleaves the group of enhanced data, and the packet formatter formats the deinterleaved data into corresponding data bytes.

Abstract translation: DTV发送系统包括编码器，随机发生器，块处理器，组格式器，解交织器和分组格式化器。 编码器对用于纠错的增强数据进行编码，对编码数据进行置换，并进一步编码用于错误检测的置换数据。 随机化器将编码的增强数据随机化，并且块处理器以1 / H的有效编码率对随机数据进行编码。 组格式化器形成具有数据区域的一组增强数据，并将编码的增强数据插入至少一个数据区域。 解交织器对一组增强数据进行解交织，并且数据包格式化器将解交织的数据格式化为相应的数据字节。

公开(公告)号：US20140149829A1

公开(公告)日：2014-05-29

申请号：US14084185

申请日：2013-11-19

Applicant: LG ELECTRONICS INC.

Inventor： Chul Soo LEE ,  In Hwan CHOI ,  Ho Taek HONG ,  Kook Yeon KWAK ,  Hyoung Gon LEE ,  Jae Hyung SONG ,  Jin Pil KIM ,  Won Gyu SONG ,  Joon Hui LEE ,  Jin Woo KIM ,  Byoung Gill KIM ,  Jong Yeul Suh ,  Kyu Tae AHN

IPC: H04L1/00

CPC classification number: H03M13/2792 ,  H03M13/1515 ,  H04H20/65 ,  H04H40/18 ,  H04H60/11 ,  H04L1/004 ,  H04L1/0041 ,  H04L1/0046 ,  H04L1/0065 ,  H04L1/0071 ,  H04L12/189 ,  H04L65/4076 ,  H04L65/607 ,  H04L69/16 ,  H04N19/61 ,  H04N19/70 ,  H04N21/435 ,  H04N21/4382 ,  H04N21/4623 ,  H04N21/6433

Abstract: A method of transmitting a broadcast signal includes encoding mobile data for FEC (Forward Error Correction); encoding signaling information for signaling the mobile data; allocating the encoded mobile data and signaling data into a transmission frame; and transmitting the broadcast signal including the transmission frame, wherein the transmission frame includes a service signaling table having service_type information identifying a type of a service of the mobile data and hidden information indicating whether the service of the mobile data is hidden or not.

Abstract translation: 发送广播信号的方法包括编码用于FEC（前向纠错）的移动数据; 编码用于信令移动数据的信令信息; 将编码的移动数据和信令数据分配到传输帧中; 以及发送包括所述传输帧的广播信号，其中所述传输帧包括具有标识所述移动数据的服务类型的service_type信息的服务信令表以及指示所述移动数据的服务是否被隐藏的隐藏信息。

公开(公告)号：US20140108893A1

公开(公告)日：2014-04-17

申请号：US14104956

申请日：2013-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Won Gyu SONG ,  Byoung Gill KIM ,  Jin Woo KIM ,  Hyoung Gon LEE ,  Jae Hyung SONG ,  In Hwan CHOI ,  Chul Kyu MUN

IPC: H03M13/05

CPC classification number: H03M13/05 ,  H03M13/09 ,  H03M13/1515 ,  H03M13/253 ,  H03M13/256 ,  H03M13/2915 ,  H03M13/2966 ,  H03M13/6538 ,  H04H20/30 ,  H04H20/57 ,  H04N5/38 ,  H04N21/23439 ,  H04N21/235 ,  H04N21/2365 ,  H04N21/2383

Abstract: A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes multiplexing a specified number of mobile data packets, a first scalable number of mobile data packets, and a second scalable number of main data packets, interleaving mobile data in the mobile data packets and main data in the main data packets, transmitting the interleaved mobile and main data during a slot, wherein the data group includes a plurality of first blocks, each first block including a plurality of data segments, specified block of the plurality of first blocks including the mobile data, known data sequence, trellis initialization data and RS parity bytes inserted in pre-determined position of the data group, wherein the data group includes a plurality of regions, wherein the last region includes the first scalable number of mobile data packets.

Abstract translation: 公开了一种发送系统和发送数字广播信号的方法。 在发射机中发送数字广播信号的方法包括多路复用指定数量的移动数据分组，第一可缩放数量的移动数据分组和第二可缩放数量的主数据分组，在移动数据分组和主数据中交织移动数据 在主数据分组中，在时隙期间发送交错的移动和主数据，其中数据组包括多个第一块，每个第一块包括多个数据段，包括移动数据的多个第一块的指定块 已知数据序列，网格初始化数据和插入数据组的预定位置的RS奇偶校验字节，其中数据组包括多个区域，其中最后区域包括第一可缩放数量的移动数据分组。

公开(公告)号：US20180083735A1

公开(公告)日：2018-03-22

申请号：US15810513

申请日：2017-11-13

Applicant: LG ELECTRONICS INC.

Inventor： Jin Woo KIM ,  In Hwan CHOI ,  Kook Yeon KWAK ,  Jong Moon KIM ,  Won Gyu SONG ,  Hyoung Gon LEE ,  Byoung Gill KIM

IPC: H04L1/00 ,  H04L12/18 ,  H03M13/00 ,  H04N19/61 ,  H04N19/70 ,  H04N19/66 ,  H03M13/11

CPC classification number: H04L1/0061 ,  H03M13/11 ,  H03M13/613 ,  H04L1/0071 ,  H04L12/18 ,  H04N19/61 ,  H04N19/66 ,  H04N19/70

Abstract: A method of processing data in a receiving system, the method includes receiving a broadcast signal including a plurality of data groups that include broadcast data and first parity data; demodulating the received broadcast signal; performing first decoding on the broadcast data in a frame based on the first parity data for error correction, wherein the frame is formed based on the plurality of data groups in the demodulated broadcast signal and wherein the plurality of groups have a same size; and de-randomizing the first decoded broadcast data, wherein second decoding on the broadcast data in the frame is selectively performed, wherein the broadcast signal further includes signaling information that contains a transmission parameter to indicate whether second encoding was performed on the broadcast data in a transmitting system, wherein, when the transmission parameter indicates that the second encoding was performed on the broadcast data.

公开(公告)号：US20180083652A1

公开(公告)日：2018-03-22

申请号：US15795911

申请日：2017-10-27

Applicant: LG ELECTRONICS INC.

Inventor： In Hwan CHOI ,  Kook Yeon KWAK ,  Byoung Gill KIM ,  Jin Woo KIM ,  Hyoung Gon LEE ,  Won Gyu SONG

IPC: H03M13/27 ,  H04L12/18 ,  H04L1/00

CPC classification number: H03M13/2792 ,  H04H20/30 ,  H04H20/55 ,  H04H20/57 ,  H04L1/0071 ,  H04L5/0053 ,  H04L12/18 ,  H04L27/00

Abstract: A method of transmitting broadcast signals includes forward error correction (FEC) encoding mobile data; interleaving the FEC encoded mobile data; encoding signaling information for the mobile data; mapping the interleaved mobile data and the encoded signaling information into a data unit, wherein the data unit includes a first region and a second region, wherein the first region is concatenated with the second region, wherein the first region includes known data and the encoded signaling information, and wherein the second region includes known data and the encoded mobile data; and transmitting the broadcast signals including the data unit, wherein the data unit is multiplexed with a data unit of main data in a specific time period, wherein the signaling information includes information of the data unit having the interleaved mobile data.

公开(公告)号：US20170134052A1

公开(公告)日：2017-05-11

申请号：US15407711

申请日：2017-01-17

Applicant: LG ELECTRONICS INC.

Inventor： Hyen O OH ,  In Hwan CHOI ,  Kook Yeon KWAK ,  Byoung Gill KIM ,  Won Gyu SONG ,  Jin Woo KIM ,  Hyoung Gon LEE

IPC: H03M13/27 ,  H03M13/29 ,  H04L1/00

CPC classification number: H03M13/2792 ,  H03M13/2906 ,  H04H20/71 ,  H04L1/0041 ,  H04L1/0071 ,  H04N19/42 ,  H04N19/44 ,  H04N19/89 ,  H04N21/2365 ,  H04N21/4347 ,  H04N21/4382

Abstract: A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data.

公开(公告)号：US20170026699A1

公开(公告)日：2017-01-26

申请号：US15220359

申请日：2016-07-26

Applicant: LG Electronics Inc.

Inventor： Jong Yeul SUH ,  In Hwan CHOI ,  Ho Taek HONG ,  Kook Yeon KWAK ,  Byoung Gill KIM ,  Jae Hyung SONG ,  Jin Pil KIM ,  Won Gyu SONG ,  Jin Woo KIM ,  Hyoung Gon LEE ,  Joon Hui LEE ,  Chul Soo LEE

IPC: H04N21/4425 ,  H04N21/235 ,  H04N21/2383 ,  H04N21/434

CPC classification number: H04N21/4425 ,  H04H20/55 ,  H04H20/71 ,  H04H20/95 ,  H04N19/65 ,  H04N21/235 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/435 ,  H04N21/4382 ,  H04N21/64322

Abstract: A method of transmitting a broadcast signal includes encoding mobile service data to build a Reed-Solomon (RS) frame according to an RS frame mode, wherein the mobile service data is either a mobile service data of a base layer or a mobile service data of the base layer and at least one enhancement layer, wherein each layer is specified by a layer identifier, wherein a layer identifier value of the base layer is set to 0 and a layer identifier value of the at least one enhancement layer starts from 1; and encoding signaling data, wherein the signaling data includes fast information channel (FIC) data and transmission parameter channel (TPC) data, and the FIC data includes information for rapid mobile service acquisition.

Abstract translation: 发送广播信号的方法包括根据RS帧模式对移动业务数据进行编码以构建里德 - 所罗门（RS）帧，其中移动业务数据是基本层的移动业务数据或移动业务数据 所述基本层和至少一个增强层，其中每个层由层标识符指定，其中所述基本层的层标识符值被设置为0，并且所述至少一个增强层的层标识符值从1开始; 以及编码信令数据，其中所述信令数据包括快速信息信道（FIC）数据和传输参数信道（TPC）数据，并且所述FIC数据包括用于快速移动业务获取的信息。