公开(公告)号：US09800267B2

公开(公告)日：2017-10-24

申请号：US14739825

申请日：2015-06-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Koo Yang ,  Sung-Hee Hwang ,  Seho Myung

IPC: H03M13/00 ,  H03M13/11 ,  H04L1/00

CPC classification number: H03M13/116 ,  H03M13/1171 ,  H03M13/611 ,  H03M13/616 ,  H03M13/618 ,  H03M13/6362 ,  H03M13/6516 ,  H03M13/6544 ,  H04L1/0041

Abstract: A method and apparatus are provided for transmitting an LDPC code in a multimedia system. The method includes generating an LDPC code based on a resulting parity check matrix which is generated by performing a row splitting operation on a base parity check matrix; and transmitting the LDPC code. The row splitting operation includes splitting each row block included in the base parity check matrix into row blocks, a number of the row blocks is determined based on a splitting factor, and the splitting factor is determined based on a number of repair symbols included in a repair symbol block of the base parity check matrix, a number of rows included in the base parity check matrix, and a scaling factor for determining a size of each permutation matrix in the resulting parity check matrix and a size of each zero matrix included in the resulting parity check matrix.

公开(公告)号：US09673933B2

公开(公告)日：2017-06-06

申请号：US15234627

申请日：2016-08-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee Hwang ,  Kyung-Mo Park ,  Hyun-Koo Yang

IPC: H03M13/00 ,  H04L1/00

CPC classification number: H04L1/0041 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0075 ,  H04L1/0083

Abstract: A method for transmitting a packet in a communication system is provided. The method includes dividing a data stream into data payloads of a predetermined size and adding a common header to each of the data payloads, to generate a source payload, adding a first Forward Error Correction (FEC) payload Identifier (ID) to the source payload and applying an FEC code thereto, to generate an FEC source packet for a source payload, adding a second FEC payload ID to at least one parity payload and applying an FEC code thereto, to generate an FEC parity packet for the at least one parity payload, and transmitting the FEC source packet and the FEC parity packet.

公开(公告)号：US09525433B2

公开(公告)日：2016-12-20

申请号：US14164870

申请日：2014-01-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Se-Ho Myung ,  Hong-Sil Jeong ,  Sung-Ryul Yun ,  Jae-Yoel Kim ,  Hyun-Koo Yang ,  Hak-Ju Lee ,  Jin-Hee Jeong

IPC: H03M13/51 ,  H03M13/11 ,  H03M13/03 ,  H03M13/00

CPC classification number: H03M13/1105 ,  H03M13/036 ,  H03M13/1102 ,  H03M13/1148 ,  H03M13/1165 ,  H03M13/1185 ,  H03M13/618 ,  H03M13/6362

Abstract: A method is provided for channel encoding in a communication system using a Low-Density Parity Check (LDPC) code. The method includes grouping information bits into a plurality of groups; determining an order of the plurality of groups to be shortened, based on whether a specific region in a frame is to be LDPC-encoded, where the specific region has a different ratio of a number of bits to be shortened to a number of bits to be punctured; determining a length of an information word to be obtained by shortening the plurality of groups; shortening the plurality of groups on a group basis in the determined order based on the determined length of the information word; and LDPC-encoding a shortened information word.

Abstract translation: 提供了一种使用低密度奇偶校验（LDPC）码的通信系统中的信道编码方法。 该方法包括将信息比特分组成多个组; 基于帧中的特定区域是否要进行LDPC编码来确定要缩短的多个组的顺序，其中特定区域具有不同比例的比特缩短到比特数， 被刺伤 确定通过缩短所述多个组来获得的信息字的长度; 基于所确定的信息字长度，以确定的顺序，以组为基础缩短多个组; 以及LDPC编码缩短的信息字。

公开(公告)号：US09467250B2

公开(公告)日：2016-10-11

申请号：US13937505

申请日：2013-07-09

Applicant: Samsung Electronics Co. Ltd.

Inventor： Hyun-Koo Yang ,  Sung-Hee Hwang ,  Seho Myung

IPC: H03M13/00 ,  H04L1/00 ,  H03M13/37 ,  H03M13/11 ,  H03M13/15 ,  H03M13/29

CPC classification number: H04L1/004 ,  H03M13/1102 ,  H03M13/1515 ,  H03M13/2957 ,  H03M13/373 ,  H03M13/6356 ,  H03M13/6508 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0083

Abstract: A method for transmitting a packet by a signal transmission apparatus in a broadcasting and communication system is provided. The method includes generating a Forward Error Correction (FEC) packet including an FEC parity packet and an FEC source packet by encoding source payloads using an FEC encoding scheme, and transmitting the FEC packet to a signal reception apparatus, wherein the FEC parity packet is generated using a plurality of Source Sub-Blocks (SSBs) which are generated using specific source payloads selected corresponding to a preset SSB generation scheme from among the source payloads included in a source block, and wherein the FEC source packet is generated using the source payloads.

Abstract translation: 提供了一种通过广播和通信系统中的信号发送装置发送分组的方法。 该方法包括通过使用FEC编码方案对源有效载荷进行编码来生成包括FEC奇偶校验分组和FEC源分组的前向纠错（FEC）分组，并将FEC分组发送到信号接收装置，其中生成FEC奇偶分组 使用从包括在源块中的源有效载荷中的与预设的SSB生成方案相对应的特定源有效载荷生成的多个源子块（SSB），并且其中使用源有效载荷生成FEC源分组。

公开(公告)号：US09288011B2

公开(公告)日：2016-03-15

申请号：US13651928

申请日：2012-10-15

Applicant: Samsung Electronics Co. Ltd.

Inventor： Sung-Hee Hwang ,  Kyung-Mo Park ,  Hyun-Koo Yang

IPC: H03M13/00 ,  H04L1/00 ,  H03M13/27 ,  H03M13/35 ,  H03M13/15 ,  H03M13/29

CPC classification number: H04L1/0057 ,  H03M13/1515 ,  H03M13/2707 ,  H03M13/2906 ,  H03M13/35 ,  H03M13/356 ,  H03M13/618 ,  H03M13/635 ,  H03M13/6356 ,  H03M13/6362 ,  H03M13/6508 ,  H03M13/6516 ,  H04L1/0041

Abstract: An encoding method and apparatus in a data communication system are provided. The method includes inputting a source block including a plurality of source payloads, converting the source block to an information block including a plurality of information payloads according to an Information Block Generation (IBG) mode selected from a plurality of IBG modes, transmitting a delivery block generated by adding a parity block generated by encoding the information block according to a selected encoding scheme to the source block to a receiver, and transmitting information indicating the selected IBG mode to the receiver.

Abstract translation: 提供了一种数据通信系统中的编码方法和装置。 该方法包括输入包括多个源有效载荷的源块，根据从多个IBG模式中选择的信息块生成（IBG）模式将源块转换为包括多个信息有效载荷的信息块，发送传送块 通过将根据所选择的编码方案对所述信息块进行编码而生成的奇偶校验块添加到所述源块，并向所述接收机发送指示所选择的IBG模式的信息。

公开(公告)号：US09197250B2

公开(公告)日：2015-11-24

申请号：US14148143

申请日：2014-01-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong-Sil Jeong ,  Sung-Ryul Yun ,  Hyun-Koo Yang

IPC: H03M13/11 ,  H03M13/03 ,  H03M13/29 ,  H03M13/00 ,  H03M13/15

CPC classification number: H03M13/1148 ,  H03M13/033 ,  H03M13/1102 ,  H03M13/1185 ,  H03M13/152 ,  H03M13/2906 ,  H03M13/618 ,  H03M13/6362

Abstract: An apparatus and method are provided for channel coding in a communication system using a Low-Density Parity-Check (LDPC) code. The method includes determining degrees for each of a plurality of column groups of an information part; determining a shortening order based on the degrees; generating a parity check matrix based on the shortening order; and performing coding using the parity check matrix.

Abstract translation: 在使用低密度奇偶校验（LDPC）码的通信系统中提供了用于信道编码的装置和方法。 该方法包括确定信息部分的多个列组中的每一个的度数; 根据学位确定缩短顺序; 基于缩短顺序生成奇偶校验矩阵; 并使用奇偶校验矩阵执行编码。

公开(公告)号：US09154341B2

公开(公告)日：2015-10-06

申请号：US14198007

申请日：2014-03-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong-Sil Jeong ,  Sung-Ryul Yun ,  Jae-Yoel Kim ,  Hyun-Koo Yang ,  Hak-Ju Lee ,  Se-Ho Myung ,  Jin-Hee Jeong

IPC: G06F11/00 ,  H04L25/03 ,  H03M13/11 ,  H03M13/00 ,  H04L1/00 ,  H04L1/02

CPC classification number: H04L25/03343 ,  H03M13/116 ,  H03M13/1185 ,  H03M13/6362 ,  H03M13/6541 ,  H03M13/6552 ,  H04B1/0475 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0069 ,  H04L1/0071 ,  H04L1/008 ,  H04L1/02

Abstract: Methods and apparatus are provided for transmitting and receiving encoded data. A codeword is generated by encoding an information word. Some parity bits are punctured in the generated codeword. A frame including the punctured codeword is transmitted. Additional parity bits for decoding the information word are transmitted in one or more other frames.

Abstract translation: 提供了用于发送和接收编码数据的方法和装置。 通过对信息字进行编码来产生码字。 一些奇偶校验位在生成的码字中被打孔。 发送包括穿孔码字的帧。 在一个或多个其他帧中发送用于解码信息字的附加奇偶校验位。

公开(公告)号：US20140314158A1

公开(公告)日：2014-10-23

申请号：US14360480

申请日：2012-11-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee Hwang ,  Kyung-Mo Park ,  Sung-Ryeul Rhyu ,  Hyun-Koo Yang ,  Sung-Oh Hwang

IPC: H04N19/00

CPC classification number: H04L1/0041 ,  H03M13/1102 ,  H03M13/1515 ,  H03M13/2906 ,  H03M13/35 ,  H03M13/3761 ,  H03M13/618 ,  H03M13/6356 ,  H03M13/6362 ,  H04L1/0017 ,  H04L1/0066 ,  H04L1/007 ,  H04L1/0075 ,  H04L1/008 ,  H04L1/0083 ,  H04N19/30 ,  H04N19/89

Abstract: The present invention relates to a device and method for transmitting/receiving a packet in a communication system. The present invention includes: the processes of determining at least one MPEG media transport (MMT) asset protected by an application layer forward error correction (AL-FEC); determining at least one FEC flow for transmitting the at least one MMT asset; determining the MMT asset transmitted from the at least one FEC flow in each case and determining an FEC coding structure to apply to the at least one FEC flow; producing at least one source flow by dividing the MMT asset transmitted from the at least one FEC flow on a transmission unit basis; and producing and transmitting at least one parity flow by performing AL-FEC encoding on the at least one source flow according to the FEC coding structure.

Abstract translation: 本发明涉及一种用于在通信系统中发送/接收分组的装置和方法。 本发明包括：确定由应用层前向纠错（AL-FEC）保护的至少一个MPEG媒体传输（MMT）资产的过程; 确定用于发送所述至少一个MMT资产的至少一个FEC流; 确定在每种情况下从所述至少一个FEC流发送的MMT资产，并确定应用于所述至少一个FEC流的FEC编码结构; 通过在传输单元的基础上划分从至少一个FEC流发送的MMT资产来产生至少一个源流; 以及通过根据所述FEC编码结构对所述至少一个源流执行AL-FEC编码来产生和发送至少一个奇偶校验流。