公开(公告)号：US10728161B2

公开(公告)日：2020-07-28

申请号：US15129294

申请日：2015-03-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee Hwang ,  Hyun-Koo Yang

IPC: H04L1/00 ,  H04N21/2662 ,  H04L12/823 ,  H04N21/2343 ,  H04N21/2383 ,  H04L29/08

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：US10681186B2

公开(公告)日：2020-06-09

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: H04W56/00 ,  H04L29/06 ,  H04L12/721 ,  H04L29/08

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：US10659778B2

公开(公告)日：2020-05-19

申请号：US15767606

申请日：2016-10-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byeong-Doo Choi ,  Kyung-Mo Park ,  Jae-Hyeon Bae ,  Young-Wan So ,  Jae-Yeon Song ,  Hyun-Koo Yang

IPC: H04N19/70 ,  H04N19/114 ,  H04N19/33 ,  H04N21/00 ,  H04N19/30 ,  H04N19/169

Abstract: The present invention relates to a method of playing back a bitstream for transferring a group of pictures, the method comprising the steps of: parsing, when a random access occurs in a first picture, a network abstraction layer (NAL) unit header of at least one second picture following the first picture and determining a NAL unit type of the at least one second picture; removing the at least one second picture from the bitstream on the basis of the determined NAL unit type; and decoding and displaying the bitstream from which the at least one second picture has been removed.

公开(公告)号：US10652371B2

公开(公告)日：2020-05-12

申请号：US15999060

申请日：2017-02-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dong-Yeon Kim ,  Hyun-Koo Yang ,  Jae-Hyeon Bae ,  Kyung-Mo Park ,  Young-Wan So

IPC: H04L29/08 ,  H04L12/64 ,  H04L12/801 ,  H04L29/06

Abstract: Disclosed is a method for receiving a data packet by a receiving apparatus in a multimedia system, the method comprising: receiving the data packet; obtaining, from a payload header of the data packet, a fragment indicator including information about fragmentation of a data unit in a payload of the data packet and a fragment counter indicating a number of at least one payload containing at least one fragment of the data unit succeeding the payload; and identifying that at least one number indicated by the fragment counter is to be reused in a case that the fragment indicator includes a value indicating that the payload contains a fragment of the data unit that is neither a first nor a last fragment, and the fragment counter indicates a number indicating that there is no at least one payload containing the at least one fragment of the data unit succeeding the payload, wherein a total number of fragments of the data unit is larger than a maximum number indicated by the fragment counter.

公开(公告)号：US10595080B2

公开(公告)日：2020-03-17

申请号：US16381574

申请日：2019-04-11

Applicant: Samsung Electronics Co., Ltd. ,  KYONGGI UNIVERSITY INDUSTRY & ACADEMIA COOPERATION FOUNDATION

Inventor： Hyun-Koo Yang ,  Byoung-Dai Lee ,  Young-Sun Ryu

IPC: H04N21/434 ,  H04N21/643 ,  H04N21/6543 ,  H04N21/858

Abstract: A method of operating a transmitting apparatus in a multimedia system is provided. The method includes transmitting a data unit of a multimedia service including event information related to an event, wherein the event includes notification to an application, the notification indicating that an action is to be taken.

公开(公告)号：US10555030B2

公开(公告)日：2020-02-04

申请号：US15109595

申请日：2015-01-08

Applicant: Samsung Electronics Co., Ltd. ,  KYONGGI UNIVERSITY INDUSTRY & ACADEMIA COOPERATION FOUNDATION

Inventor： Sung-Oh Hwang ,  Byoung-Dai Lee ,  Hyun-Koo Yang ,  Sung-Hee Hwang

IPC: H04N21/43 ,  H04N21/8547 ,  H04N21/438 ,  H04N21/643

Abstract: The present invention provides a method and an apparatus for reproducing multimedia data in a broadcasting and communication system. The apparatus for reproducing multimedia data according to an embodiment of the present invention comprises: a receiver for receiving multimedia data; a data processor for processing the received multimedia data and extracting a data unit and signaling information; a synchronization information processor for extracting synchronization information related to a broadcasting image provided by a current service from the signaling information; a service demultiplexer for extracting audio data or video data from the data unit; and a broadcasting image reproducer for decoding the audio data or video data, and reproducing the decoded audio data or decoded video data on the basis of the synchronization information.

公开(公告)号：US20200028621A1

公开(公告)日：2020-01-23

申请号：US16588286

申请日：2019-09-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong-Sil JEONG ,  Sung-Ryul Yun ,  Hyun-Koo Yang ,  Se-Ho Myung ,  Alain Mourad ,  Ismael Gutierrez

IPC: H04L1/00 ,  H03M13/11 ,  H03M13/29 ,  H03M13/35 ,  H03M13/00

Abstract: An apparatus and a method for transmitting and receiving a signal in a communication system are provided. The method includes checking a type of the signal to be transmitted; determining a number of puncture bits according to the type of the signal; and puncturing an encoded signal to be transmitted according to the number of puncture bits.

公开(公告)号：US10425258B2

公开(公告)日：2019-09-24

申请号：US16023692

申请日：2018-06-29

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: H04L25/03 ,  H03M13/00 ,  H04L1/00 ,  H03M13/11 ,  H04L1/02 ,  H04B1/04

Abstract: Methods and apparatuses are provided for transmitting signaling information by a transmitting apparatus in a broadcasting system. A controller generates a codeword by encoding information bits of the signaling information. The codeword includes the information bits and parity bits. The controller punctures one or more of the parity bits to generate a punctured codeword. The controller generates a plurality of frames. The plurality of frames include a first frame including at least a part of the punctured codeword and a second frame including at least one additional parity bit for the signaling information. A transmitter transmits the plurality of frames. The at least a part of the punctured codeword is included in a preamble part of the first frame and the at least one additional parity bit is included in a preamble part of the second frame.

公开(公告)号：US10383001B2

公开(公告)日：2019-08-13

申请号：US15905225

申请日：2018-02-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-hee Hwang ,  Hyun-Koo Yang ,  Sung-oh Hwang

IPC: H04W28/06 ,  H04L29/06 ,  H04L27/26

Abstract: A method for generating a packet of transmitting apparatus is provided. The method includes: setting a value of a Deleted Null Packet (DNP) counter to zero; increasing the value for each deleted null packet preceding a non-null transport stream (TS) packet; and generating a packet comprising a header and a payload, wherein the header includes a DNP field, the payload includes the non-null TS packet, and the value of the DNP counter is used to set the DNP field.

公开(公告)号：US09800371B2

公开(公告)日：2017-10-24

申请号：US15031111

申请日：2014-10-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Koo Yang ,  Sung-Hee Hwang

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

CPC classification number: H04L1/0041 ,  H03M13/05 ,  H03M13/2707 ,  H03M13/6356 ,  H04L1/00 ,  H04L1/0045

Abstract: A method by which a signal transmission device transmits packets in a communication system is provided. The method includes the operations of, generating a source symbol block including one or more source symbols having the same length by using a source packet block including one or more source packets; generating a restoration symbol block generated using one or more restoration symbols by performing a forward error correction (FEC) coding operation on the source symbol block; generating an FEC source packet including the source packets and an FEC payload identifier (ID) and transmitting the FEC source packet to a lower protocol; generating an FEC restoration packet including one or more of the restoration symbols and the FEC payload ID and transmitting the FEC restoration packet to the lower protocol; and transmitting FEC configuration information including information on the source symbol block generation operation to a receiver.