公开(公告)号：US20220029743A1

公开(公告)日：2022-01-27

申请号：US17497403

申请日：2021-10-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee HWANG

IPC: H04L1/00 ,  H03M13/27 ,  H03M13/29 ,  H03M13/35 ,  H04L12/26 ,  H04L29/06

Abstract: A method for sending forward error correction (FEC) configuration information by a sending apparatus in a multimedia system is provided. The method includes sending source FEC configuration information for an FEC source packet to a receiving apparatus, wherein the source FEC configuration information includes information related to an FEC source or repair packet that is sent first among at least one FEC source or repair packet if an FEC source or repair packet block includes the at least one FEC source or repair packet.

公开(公告)号：US20190166230A1

公开(公告)日：2019-05-30

申请号：US16265308

申请日：2019-02-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Koo YANG ,  Kyung-Mo PARK ,  Young-Wan SO ,  Sung-Hee HWANG

IPC: H04L29/06 ,  H04L29/08 ,  H04L12/721

Abstract: A transmitting apparatus and an operating method for the apparatus in a multimedia system are provided. The operating method includes inputting at least one network layer packet, generating a link layer packet based on the at least one network layer packet, and transmitting the link layer packet. The link layer packet includes a header including information indicating a packet type of the at least one network layer packet, information indicating whether the link layer packet includes a single network layer packet, and information indicating an identifier related to the at least one network layer packet.

公开(公告)号：US20170134542A1

公开(公告)日：2017-05-11

申请号：US15319208

申请日：2015-06-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee HWANG ,  Hyun-Koo YANG

IPC: H04L29/08 ,  G06F3/14 ,  H04L29/06

CPC classification number: H04L69/324 ,  G06F3/14 ,  G09G5/006 ,  G09G5/06 ,  G09G2370/10 ,  H04L12/00 ,  H04L12/4625 ,  H04L69/22

Abstract: The present invention provides a method for transmitting a frame in a communication system that generates layer 2 (L2) signalling information related to an L2 service, that checks whether a baseband frame (BBF) exists that is divided from BBFs forming a frame and respectively included in the frame and other frames, that constitutes the frame such that a baseband packet (BBP) corresponding to the first BBF of the BBFs includes the L2 signalling information if there is no BBF included in the respective frame and the other frames, and that transmits the same.

公开(公告)号：US20170104685A1

公开(公告)日：2017-04-13

申请号：US15129294

申请日：2015-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-Hee HWANG ,  Hyun-Koo YANG

IPC: H04L12/823 ,  H04L29/08 ,  H04L1/00

CPC classification number: H04L47/32 ,  H04L1/0006 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0072 ,  H04L69/329 ,  H04N21/2343 ,  H04N21/2383 ,  H04N21/2662

Abstract: The present invention relates to a method for transmitting a packet in a communication system, the method comprising: generating drop information indicating at least one source packet to be dropped among source packets to be transmitted and whether or not to drop each of the other source packets except the at least one source packet; performing forward error correction (FEC) encoding on the drop information and the other source packets except the at least one source packet; generating a repair packet comprising repair data for restoring the drop information and a repair symbol for restoring the other source packets except the at least one source packet; and transmitting the other source packets except the at least one source packet and the repair packet.

公开(公告)号：US20160277146A1

公开(公告)日：2016-09-22

申请号：US15032002

申请日：2014-10-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-Hee HWANG

IPC: H04L1/00 ,  H04L12/18

CPC classification number: H04L1/0041 ,  H03M13/05 ,  H03M13/2707 ,  H03M13/6356 ,  H04L1/0057 ,  H04L12/189

Abstract: A method for transmitting a packet for N data streams in a communication system is provided. The method includes dividing each of the data streams into data payloads and adding a header for discriminating between the N data streams to each of the data payloads, determining, from the source packet flow, an FEC source formed by source packets generated from an (N−M) number of data streams, distinguishing at least one source packet block, generating a source symbol block from the at least one distinguished source packet block, generating a repair symbol block formed by at least one repair symbol, determining a repair flow ID for identifying a repair flow formed by the repair symbols generated from the FEC source packet flow, generating an FEC repair packet by adding a header to each of the repair symbols of the repair flow, and transmitting the source packet and the FEC repair packet.

Abstract translation: 提供了一种用于在通信系统中发送用于N个数据流的分组的方法。 该方法包括将每个数据流划分为数据有效载荷，并且添加用于将N个数据流识别到每个数据有效载荷的报头，从源分组流中确定由源（N -M）数据流的数量，区分至少一个源分组块，从所述至少一个识别的源分组块生成源符号块，生成由至少一个修复符号形成的修复符号块，确定修复流ID 识别由所述FEC源分组流产生的修复符号形成的修复流，通过向所述修复流的每个修复符号添加标题来生成FEC修复分组，以及发送所述源分组和所述FEC修复分组。

公开(公告)号：US20160105259A1

公开(公告)日：2016-04-14

申请号：US14974888

申请日：2015-12-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee HWANG ,  Kyung-Mo PARK ,  Hyun-Koo YANG ,  Sung-Oh HWANG ,  Sung-Ryeul RHYU

IPC: H04L1/00 ,  H04L29/06 ,  H04N19/66

CPC classification number: H04L1/0075 ,  H03M13/05 ,  H03M13/1102 ,  H03M13/1515 ,  H03M13/356 ,  H03M13/3761 ,  H04L1/0041 ,  H04L1/0066 ,  H04L65/4076 ,  H04L65/607 ,  H04L65/80 ,  H04N19/66 ,  H04N21/2383

Abstract: An encoding apparatus and a method of encoding a source block including different types of data payloads are provided. The method includes dividing the source block into a predetermined number M of sub blocks, generating a predetermined number P1 of base parity payloads that correspond to each of the predetermined number M of sub blocks by performing first Forward Error Correction (FEC) encoding on each of the predetermined number M of sub blocks, generating a predetermined number P2 of extended parity payloads that correspond to the source block by performing second FEC encoding on a particular type of data payloads among data payloads that make up the source block, and configuring a source coded block based on a predetermined number N of sub coded blocks including the predetermined number M of sub blocks and the predetermined number P1 of base parity payloads generated.

公开(公告)号：US20130097474A1

公开(公告)日：2013-04-18

申请号：US13651917

申请日：2012-10-15

Applicant: SAMSUNG ELECTRONICS CO. LTD.

Inventor： Sung-Hee HWANG ,  Hyun-Koo YANG

IPC: H03M13/13

CPC classification number: H03M13/618 ,  H03M13/1515 ,  H03M13/6356 ,  H03M13/6362 ,  H03M13/6516

Abstract: An apparatus and method for transmitting/receiving a Forward Error Correction (FEC) packet in a mobile communication system are provided. In the FEC packet transmission method, an FEC packet transmission apparatus transmits an FEC delivery block to an FEC packet reception apparatus, wherein the FEC delivery block includes K source payloads and P parity payloads, each of the K source payloads and the P parity payloads includes a payload header, and each of the payload headers includes length information related to a length of a related payload.

Abstract translation: 提供了一种用于在移动通信系统中发送/接收前向纠错（FEC）分组的装置和方法。 在FEC分组传输方法中，FEC分组传输装置向FEC分组接收装置发送FEC传送块，其中FEC传送块包括K个源有效载荷和P个奇偶校验有效载荷，K个源有效载荷和P个奇偶校验有效载荷中的每一个包括 有效负载报头，并且每个有效载荷报头包括与相关有效载荷的长度相关的长度信息。

公开(公告)号：US20130094502A1

公开(公告)日：2013-04-18

申请号：US13650408

申请日：2012-10-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee HWANG

IPC: H04L12/56

CPC classification number: H03M13/2707 ,  H03M13/1102 ,  H03M13/1515 ,  H03M13/618 ,  H03M13/6362 ,  H04L1/0041 ,  H04L1/0083

Abstract: An apparatus and method for transmitting/receiving a Forward Error Correction (FEC) packet in a mobile communication system are provided. In the FEC packet transmission method, an FEC packet transmission apparatus transmits an FEC delivery block to an FEC packet reception apparatus. The FEC delivery block includes N payloads. Each of the N payloads includes a payload header. Each payload header included in each of C payloads among the N payloads includes packet oriented header information and an FEC delivery block oriented header information fragment. The packet oriented header information is applied to a related payload, and the FEC delivery block oriented header information fragment is generated by fragmenting FEC delivery block oriented header information applied to the N payloads.

Abstract translation: 提供了一种用于在移动通信系统中发送/接收前向纠错（FEC）分组的装置和方法。 在FEC分组发送方法中，FEC分组发送装置向FEC分组接收装置发送FEC发送块。 FEC传送块包括N个有效载荷。 N个有效载荷中的每一个包括有效载荷头部。 包括在N个有效载荷中的每个C有效载荷中的每个有效负载包括面向分组的报头信息和面向FEC传送块的报头信息片段。 面向分组的报头信息被应用于相关的有效载荷，并且通过分段应用于N个有效载荷的面向FEC传送块的报头信息来产生面向FEC传送块的报头信息片段。

公开(公告)号：US20200037006A1

公开(公告)日：2020-01-30

申请号：US16594817

申请日：2019-10-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae-Hyeon BAE ,  Kyung-Mo PARK ,  Young-Wan SO ,  Hyun-Koo YANG ,  Sung-Hee HWANG

IPC: H04N21/2381 ,  H04N21/238 ,  H04L29/06 ,  H04N21/61

Abstract: The present disclosure relates to a method of transmitting multimedia content in a broadcast communication system, and comprises the steps of: identifying protocol information mapped for each service corresponding to multimedia content; transmitting service-related information including the identified protocol information mapped for each service; and transmitting multimedia content corresponding to related services to a receiving side by using the identified protocol.

公开(公告)号：US20190245561A1

公开(公告)日：2019-08-08

申请号：US16390693

申请日：2019-04-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee HWANG

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

CPC classification number: H03M13/2707 ,  H03M13/1102 ,  H03M13/1515 ,  H03M13/618 ,  H03M13/6362 ,  H04L1/0041 ,  H04L1/0083

Abstract: An apparatus and method for transmitting/receiving a Forward Error Correction (FEC) packet in a mobile communication system are provided. In the FEC packet transmission method, an FEC packet transmission apparatus transmits an FEC delivery block to an FEC packet reception apparatus. The FEC delivery block includes N payloads. Each of the N payloads includes a payload header. Each payload header included in each of C payloads among the N payloads includes packet oriented header information and an FEC delivery block oriented header information fragment. The packet oriented header information is applied to a related payload, and the FEC delivery block oriented header information fragment is generated by fragmenting FEC delivery block oriented header information applied to the N payloads.