公开(公告)号：US20160344408A1

公开(公告)日：2016-11-24

申请号：US15229889

申请日：2016-08-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee HWANG ,  Sung-Oh HWANG ,  Seho MYUNG ,  Hyun-Koo YANG ,  Kyung-Mo PARK

IPC: H03M13/05 ,  H03M13/00 ,  H04L1/00

CPC classification number: H03M13/05 ,  H03M13/03 ,  H03M13/373 ,  H03M13/6547 ,  H04L1/004 ,  H04L1/0041 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/0075 ,  H04L1/008 ,  H04L1/0083

Abstract: A method and apparatus for transmitting a Forward Error Correction (FEC) packet block including a plurality of FEC packets in a multimedia system are provided. The method includes generating a plurality of first FEC packet blocks by performing a first FEC encoding on a plurality of source symbols, each of the plurality of first FEC packet blocks including at least one source packet and at least one repair packet for repair of each of the at least one source packet, generating a second FEC packet block by performing a second FEC encoding on the plurality of first FEC packet blocks, the second FEC packet block including at least one repair packet for the plurality of first FEC packet blocks, and transmitting the second FEC packet block that includes, in header information of each of the at least one source packet and the at least one repair packet.

公开(公告)号：US20150180609A1

公开(公告)日：2015-06-25

申请号：US14641899

申请日：2015-03-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Koo YANG ,  Sung-Hee HWANG ,  Seho MYUNG

IPC: H04L1/00

CPC classification number: H04L1/0041 ,  H03M13/05 ,  H03M13/373 ,  H03M13/6362 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0068

Abstract: A method is provided for transmitting an Application Layer-Forward Error Correction (AL-FEC) packet by an AL-FEC packet transmission apparatus in a multimedia communication system. AL-FEC packets are generated. The AL-FEC packets are transmitted to an AL-FEC packet reception apparatus. Each of the AL-FEC packets includes an AL-FEC codeword symbol and an AL-FEC header, and the AL-FEC codeword symbol is one of AL-FEC codeword symbols included in an AL-FEC codeword block. The AL-FEC header includes order information indicating an order of an AL-FEC codeword symbol into which the AL-FEC header is inserted among the AL-FEC codeword symbols included in the AL-FEC codeword block.

Abstract translation: 提供了一种用于在多媒体通信系统中通过AL-FEC分组发送装置发送应用层前向纠错（AL-FEC）分组的方法。 生成AL-FEC数据包。 AL-FEC分组被发送到AL-FEC分组接收装置。 每个AL-FEC分组包括AL-FEC码字符号和AL-FEC报头，并且AL-FEC码字符号是包括在AL-FEC码字块中的AL-FEC码字符号之一。 AL-FEC报头包括指示在包括在AL-FEC码字块中的AL-FEC码字符号之间插入AL-FEC报头的AL-FEC码字符号的顺序的订单信息。

公开(公告)号：US20140314157A1

公开(公告)日：2014-10-23

申请号：US14259762

申请日：2014-04-23

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N19/66 ,  H04N19/89

CPC classification number: H04N19/65 ,  H04N19/89 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/64322

Abstract: A method for encoding a packet in a broadcasting system supporting an Internet Protocol (IP)-based multimedia service is provided. The method includes dividing a data stream into data payloads, generating a Motion Picture Expert Group (MPEG) Media Transport (MMT) packet by adding a first header to each of the data payloads, and generating a source packet by adding an MMT packet header to the MMT packet and performing Forward Error Correction (FEC) encoding on the header-added MMT packet. The MMT packet header includes type information of the MMT packet.

Abstract translation: 提供了一种在支持基于互联网协议（IP）的多媒体服务的广播系统中对分组进行编码的方法。 该方法包括将数据流划分为数据有效载荷，通过向每个数据有效载荷添加第一报头，生成运动图像专家组（MPEG）媒体传输（MMT）分组，并通过将MMT分组报头添加到 MMT分组，并对标题添加的MMT分组执行前向纠错（FEC）编码。 MMT分组报头包括MMT分组的类型信息。

公开(公告)号：US20140019829A1

公开(公告)日：2014-01-16

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: H04L1/00

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：US20130265255A1

公开(公告)日：2013-10-10

申请号：US13856692

申请日：2013-04-04

Applicant: SAMSUNG ELECTRONICS CO. LTD.

Inventor： Seho MYUNG ,  Sung-Hee HWANG

IPC: G06F3/0354

CPC classification number: G06F3/0354 ,  G06F3/0321

Abstract: An apparatus to detect coordinates in a pen-based display device is provided. When an electronic pen is placed at a specific position on a display, an image of a pixel group corresponding to a specific position is captured through a camera, a reference point is detected in the pixel group by processing the captured image of the pixel group, values of a plurality of coordinate indications and a plurality of parity indications, it is determined whether an error has been detected by calculating a predetermined error detection formula using the determined values of the coordinate indications and the parity indications, and final coordinates of the electronic pen are determined by applying a predetermined coordinates calculation rule to the determined values of the coordinate indications and the parity indications, if no error has been detected in the determined values of the coordinate indications and the parity indications.

Abstract translation: 提供了一种用于检测基于笔的显示装置中的坐标的装置。 当将电子笔放置在显示器上的特定位置时，通过照相机拍摄对应于特定位置的像素组的图像，通过处理像素组的拍摄图像在像素组中检测参考点， 多个坐标指示值和多个奇偶校验指示值，通过使用确定的坐标指示值和奇偶指示值以及电子笔的最终坐标来确定是否已经通过计算预定误差检测公式来检测到错误 如果在确定的坐标指示值和奇偶校验指示中没有检测到错误，则通过将预定坐标计算规则应用于所确定的坐标指示值和奇偶校验指示值来确定。

公开(公告)号：US20130136193A1

公开(公告)日：2013-05-30

申请号：US13690808

申请日：2012-11-30

Applicant: Samsung Electronics Co. Ltd.

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

IPC: H04N7/66 ,  H03M13/05

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.

Abstract translation: 提供了一种对包括不同类型的数据有效载荷的源块进行编码的编码装置和方法。 该方法包括将源块划分成预定数量的M个子块，通过在每个子块上执行第一前向纠错（FEC）编码来产生与预定数量M个子块中的每一个对应的基本奇偶校验有效载荷的预定数量P1 预定数量M个子块，通过对构成源块的数据有效载荷中的特定类型的数据有效载荷执行第二FEC编码，并且生成源编码的预定数量的M，生成与源块对应的预定数量的扩展奇偶校验有效载荷P2 基于预定数量N的子编码块，包括子块的预定数量M和生成的基本奇偶校验有效载荷的预定数量P1。

公开(公告)号：US20200344165A1

公开(公告)日：2020-10-29

申请号：US16927136

申请日：2020-07-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Koo YANG ,  Sung-Hee HWANG

IPC: H04L12/741 ,  H04L12/721 ,  H04L29/08 ,  H04L29/06

Abstract: A method of operating a transmitting apparatus in a multimedia system is provided. The 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, wherein the link layer packet includes a header including 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：US20200296448A1

公开(公告)日：2020-09-17

申请号：US16083990

申请日：2017-03-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Koo YANG ,  Mun-Seok KIM ,  Sung-Hee HWANG

IPC: H04N21/438 ,  H04N21/442 ,  H04N21/262 ,  H04N21/6332

Abstract: Various embodiments of the present disclosure propose an apparatus and method for supporting a service for one program through a channel change in a digital broadcasting system. To this end, a broadcast providing device may monitor whether a channel switching event occurs while providing a service for a first program on a first channel on the basis of a predetermined broadcast program schedule. When the channel switching event occurs, before the service for the first program on the first channel ends according to the predetermined broadcast program schedule, the broadcast providing device may transmit, to a broadcast consumer device, connection control information required to continue the service for the first program on a second channel The broadcast consumer device may perform service switching on the basis of the connection control information.

公开(公告)号：US20200244399A1

公开(公告)日：2020-07-30

申请号：US16851677

申请日：2020-04-17

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：US20190288791A1

公开(公告)日：2019-09-19

申请号：US16428025

申请日：2019-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee HWANG

IPC: H04L1/00 ,  H04L12/18 ,  H03M13/05 ,  H03M13/27 ,  H03M13/00

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.