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公开(公告)号：US10903921B2
公开(公告)日：2021-01-26
申请号：US15320542
申请日：2015-06-19
发明人： Hyun-Koo Yang , Sung-Hee Hwang , Young-Kwon Lim , Kyung-Mo Park , Sung-Oh Hwang
IPC分类号： H04H20/65 , H04H20/33 , H04H60/82 , H04N21/462 , H04H20/18 , H04L1/00 , H04N21/63 , H04N21/235 , H04N21/43 , H04H20/24
摘要： A method for providing a broadcast service, according to the present invention, comprises the steps of: if a broadcast service is provided by means of two or more networks, obtaining the maximum value among the fixed end-to-end delay of each network; and, on the basis of the maximum value, controlling an output point of a receiver which received packets of the broadcast service.
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2.发明授权公开(公告)号：US10230646B2
公开(公告)日：2019-03-12
申请号：US15320546
申请日：2015-06-22
发明人： Sung-Hee Hwang , Hyun-Koo Yang , Young-Kwon Lim , Kyung-Mo Park , Sung-Oh Hwang
IPC分类号： H04L12/853 , H04N19/66 , H04L1/00 , H04L12/18 , H04W88/06 , H04L12/927
摘要： The present invention provides a method and an apparatus for transmitting and receiving packets in a broadcast and communication system. The present invention comprises: generating a repair packet by encoding a source packet with an error correction code; and transmitting the source packet to a first network and transmitting the repair packet to a second network, wherein the number of repair packets is determined according to the maximum transmission delay values of the first and second networks.
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公开(公告)号：US10547884B2
公开(公告)日：2020-01-28
申请号：US15320638
申请日：2015-06-23
发明人： Sung-Oh Hwang , Hyun-Koo Yang , Kyung-Mo Park , Young-Kwon Lim , Ji-Eun Keum
IPC分类号： H04N21/2381 , H04L29/06 , H04L12/24 , H04N21/2368 , H04N21/434 , H04N21/643
摘要： The present disclosure provides a data transmission method of a system in an IP based broadcasting network, the data transmission method comprising the steps of: generating an MPEG media transport protocol (MMTP) packet using a media processing unit (MPU) for a service; generating an IP packet using the MMTP packet; generating a layer 2 (L2) packet using the IP packet and generating a layer 1 (L1) packet stream using the L2 packet; and transmitting the L1 packet stream, wherein absolute time information of the system is included in one of a transmission frame of the L1 packet stream and the L2 packet.
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公开(公告)号：US11483601B2
公开(公告)日：2022-10-25
申请号：US17194809
申请日：2021-03-08
发明人： Sung-Oh Hwang , Hyun-Koo Yang , Kyung-Mo Park , Young-Kwon Lim , Ji-Eun Keum
IPC分类号： H04N21/2381 , H04N21/242 , H04N21/234 , H04H60/82 , H04H60/40 , H04H20/18 , H04L65/70 , H04L65/611 , H04L65/1101 , H04L41/0246 , H04N21/2368 , H04N21/434 , H04N21/643
摘要： The present disclosure provides a data transmission method of a system in an IP based broadcasting network, the data transmission method comprising the steps of: generating an MPEG media transport protocol (MMTP) packet using a media processing unit (MPU) for a service; generating an IP packet using the MMTP packet; generating a layer 2 (L2) packet using the IP packet and generating a layer 1 (L1) packet stream using the L2 packet; and transmitting the L1 packet stream, wherein absolute time information of the system is included in one of a transmission frame of the L1 packet stream and the L2 packet.
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公开(公告)号：US10945007B2
公开(公告)日：2021-03-09
申请号：US16727691
申请日：2019-12-26
发明人： Sung-Oh Hwang , Hyun-Koo Yang , Kyung-Mo Park , Young-Kwon Lim , Ji-Eun Keum
IPC分类号： H04H60/40 , H04N21/2381 , H04N21/242 , H04N21/234 , H04L29/06 , H04H60/82 , H04H20/18 , H04L12/24 , H04N21/2368 , H04N21/434 , H04N21/643
摘要： The present disclosure provides a data transmission method of a system in an IP based broadcasting network, the data transmission method comprising the steps of: generating an MPEG media transport protocol (MMTP) packet using a media processing unit (MPU) for a service; generating an IP packet using the MMTP packet; generating a layer 2 (L2) packet using the IP packet and generating a layer 1 (L1) packet stream using the L2 packet; and transmitting the L1 packet stream, wherein absolute time information of the system is included in one of a transmission frame of the L1 packet stream and the L2 packet.
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6.发明授权Method and apparatus for transmitting and receiving broadcasting data by using MMT in digital broadcasting system 有权用于在数字广播系统中使用MMT发送和接收广播数据的方法和装置公开(公告)号：US09369743B2
公开(公告)日：2016-06-14
申请号：US14258446
申请日：2014-04-22
发明人： Sung-Oh Hwang , Sung-Ryeul Rhyu , Kyung-Mo Park , Young-Kwon Lim
IPC分类号： H04N21/236 , H04N21/2381 , H04N21/643 , H04H60/73
CPC分类号： H04N21/236 , H04H60/73 , H04N21/2381 , H04N21/6106 , H04N21/643
摘要： A method and an apparatus for transmitting and receiving broadcasting data in a digital broadcasting system are provided. The method includes analyzing a media transmission characteristic of a moving picture experts group (MPEG) media transport (MMT) package, setting digital video broadcasting generic stream encapsulation (DVB GSE) based on the analyzed media transmission characteristic, and transmitting an MMT packet comprising the broadcasting data constituting the MMT package using the DVB GSE.
摘要翻译： 提供了一种用于在数字广播系统中发送和接收广播数据的方法和装置。 该方法包括分析运动图像专家组（MPEG）媒体传输（MMT）包的媒体传输特性，基于所分析的媒体传输特性设置数字视频广播通用流封装（DVB GSE），以及发送包括 使用DVB GSE广播构成MMT包的数据。
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