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    DEVICE AND METHOD FOR TRANSMITTING/RECEIVING A PACKET IN COMMUNICATION SYSTEM
    22.
    发明申请
    DEVICE AND METHOD FOR TRANSMITTING/RECEIVING A PACKET IN COMMUNICATION SYSTEM 有权
    用于在通信系统中发送/接收分组的装置和方法

    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。

    Apparatus and method for transmitting/receiving forward error correction packet in mobile communication system
    26.
    发明授权
    Apparatus and method for transmitting/receiving forward error correction packet in mobile communication system 有权

    公开(公告)号：US10972135B2

    公开(公告)日：2021-04-06

    申请号：US16859156

    申请日：2020-04-27

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sung-Hee Hwang

    IPC: H03M13/27 ,  H03M13/00 ,  H04L1/00 ,  H03M13/29 ,  H03M13/25 ,  H03M13/11 ,  H03M13/15

    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.

    Method and apparatus for transmitting and receiving packet in communication system
    28.
    发明授权
    Method and apparatus for transmitting and receiving packet in communication system 有权

    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.

    Method and apparatus for reproducing multimedia data
    30.
    发明授权
    Method and apparatus for reproducing multimedia data 有权

    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.

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