METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING PACKET IN COMMUNICATION SYSTEM

    公开(公告)号:US20190028235A1

    公开(公告)日:2019-01-24

    申请号:US16137231

    申请日:2018-09-20

    Inventor: Sung-Hee HWANG

    Abstract: The present disclosure relates to a method and a device for transmitting and receiving a packet in a communication system. A method for transmitting a packet according to the present disclosure comprises the steps of: generating at least one source block including source packets for transmitting contents; performing forward error correction (FEC) encoding and generating at least one reconstructed block including reconstructed packets for restoring the source packets; and transmitting signaling information including packet identification information on the at least one source block and a packet stream including the source packets and the reconstructed packets, wherein header information of the reconstructed packets includes the number of source packets included in each source block according to the packet identification information, and information indicating the start numbers of the source packets included in the each source block.

    APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SIGNAL IN MULTIMEDIA SYSTEM
    34.
    发明申请
    APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SIGNAL IN MULTIMEDIA SYSTEM 审中-公开
    用于在多媒体系统中发送和接收信号的装置和方法

    公开(公告)号:US20170064044A1

    公开(公告)日:2017-03-02

    申请号:US15251489

    申请日:2016-08-30

    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.

    Abstract translation: 提供了一种用于多媒体系统中的装置的发送装置和操作方法。 所述操作方法包括:输入至少一个网络层分组,基于所述至少一个网络层分组生成链路层分组,以及发送所述链路层分组。 所述链路层分组包括包括指示所述至少一个网络层分组的分组类型的信息的报头,指示所述链路层分组是否包括单个网络层分组的信息,以及指示与所述至少一个网络层分组相关的标识符的信息 。

    APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SIGNAL IN MULTIMEDIA SYSTEM
    35.
    发明申请
    APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SIGNAL IN MULTIMEDIA SYSTEM 审中-公开
    用于在多媒体系统中发送和接收信号的装置和方法

    公开(公告)号:US20170005925A1

    公开(公告)日:2017-01-05

    申请号:US15200569

    申请日:2016-07-01

    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.

    Abstract translation: 提供一种在多媒体系统中操作发送装置的方法。 该方法包括:输入至少一个网络层分组,基于所述至少一个网络层分组生成链路层分组,并发送所述链路层分组,其中所述链路层分组包括包括指示所述链路层分组是否包括 单个网络层分组和指示与所述至少一个网络层分组相关的标识符的信息。

    APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING FORWARD ERROR CORRECTION PACKET
    36.
    发明申请
    APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING FORWARD ERROR CORRECTION PACKET 有权
    发送和接收前向纠错分组的装置和方法

    公开(公告)号:US20160352465A1

    公开(公告)日:2016-12-01

    申请号:US15225132

    申请日:2016-08-01

    CPC classification number: H04L1/0083 H04L1/0041

    Abstract: A method and an apparatus for transmitting and receiving a packet in a broadcasting and communication system are provided. The method includes splitting a source packet block including source packets into a plurality of source packet subblocks, converting the source packet subblocks to source symbol subblocks, respectively, generating a plurality of first repair symbol blocks by encoding the source packet subblocks using a first error correction code, configuring an error correction source packet by adding a source error correction payload IDentifier (ID) to source symbols included in the source symbol subblocks and configuring an error correction repair packet by adding a repair error correction payload ID to repair symbols included in the first repair symbol subblocks, and transmitting the error correction source packet and the error correction repair packet.

    Abstract translation: 提供了一种用于在广播和通信系统中发送和接收分组的方法和装置。 该方法包括将包括源分组的源分组块分成多个源分组子块,分别将源分组子块转换为源符号子块,通过使用第一纠错校正对源分组子块进行编码来生成多个第一修复符号块 通过将源错误校正有效载荷标识符(ID)添加到源符号子块中包含的源符号来配置错误校正源包,并通过添加修复错误纠正有效载荷ID来修复包括在第一 修复符号子块,并发送纠错源包和纠错修复包。

    METHOD AND APPARATUS FOR REPRODUCING MULTIMEDIA DATA
    38.
    发明申请
    METHOD AND APPARATUS FOR REPRODUCING MULTIMEDIA DATA 审中-公开
    用于复制多媒体数据的方法和装置

    公开(公告)号:US20160330507A1

    公开(公告)日:2016-11-10

    申请号:US15109595

    申请日:2015-01-08

    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.

    Abstract translation: 本发明提供一种用于在广播和通信系统中再现多媒体数据的方法和装置。 根据本发明的实施例的用于再现多媒体数据的装置包括:用于接收多媒体数据的接收机; 用于处理所接收的多媒体数据并提取数据单元和信令信息的数据处理器; 同步信息处理器,用于从所述信令信息中提取与当前服务提供的广播图像有关的同步信息; 服务解复用器,用于从数据单元提取音频数据或视频数据; 以及广播图像再现器,用于对音频数据或视频数据进行解码,并且基于同步信息再现解码的音频数据或解码的视频数据。

    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PACKET IN A COMMUNICATION SYSTEM
    39.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PACKET IN A COMMUNICATION SYSTEM 审中-公开
    用于在通信系统中发送和接收分组的方法和装置

    公开(公告)号:US20150333867A1

    公开(公告)日:2015-11-19

    申请号:US14811068

    申请日:2015-07-28

    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.

    Abstract translation: 提供了一种用于在通信系统中发送分组的方法。 该方法包括将数据流划分成预定大小的数据有效载荷,并将公共报头添加到每个数据有效载荷,以产生源有效载荷,向源有效载荷添加第一前向纠错(FEC)有效载荷标识符(ID) 以及向其施加FEC码,以产生用于源有效载荷的FEC源分组,将第二FEC有效载荷ID添加到至少一个奇偶校验有效载荷并向其施加FEC码,以产生用于所述至少一个奇偶校验有效载荷的FEC奇偶校验分组 ,并发送FEC源分组和FEC奇偶校验分组。

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