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公开(公告)号：US20170155478A1
公开(公告)日：2017-06-01
申请号：US15319231
申请日：2015-07-06
发明人： Young-Wan SO , Kyung-Mo PARK , Doug-Young SUH , Yong-Woo CHO
IPC分类号： H04L1/18 , H04L1/00 , H04N21/236
CPC分类号： H04L1/1864 , H04H60/11 , H04H2201/37 , H04L1/0045 , H04L1/1812 , H04L29/08 , H04N21/236 , H04N21/2404 , H04N21/4425 , H04N21/6473
摘要： Provided are a method and a device for transmitting and receiving multimedia data. The present invention comprises: receiving of multimedia data and confirming of loss data; determining, with respect to the degree of the loss of the received data, of whether or not the lost data can be recovered by means of application layer forward error correction (AL-FEC); if data recovery by means of the AL-FEC is not possible, making of an automatic retransmission request (ARQ) with respect to the lost data; and receiving of data retransmitted with respect to the ARQ and recovering of the lost data.
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公开(公告)号：US20220400148A1
公开(公告)日：2022-12-15
申请号：US17890794
申请日：2022-08-18
发明人： Young-Wan SO , Kyung-Mo PARK
IPC分类号： H04L67/10 , H04L1/00 , H04L65/80 , H04N21/6338 , H04N21/647 , H04N21/44 , H04N21/438 , H04L9/40 , H04L65/612
摘要： An apparatus and method for transmitting and receiving information related to multimedia data in a hybrid network and a structure thereof are provided. The transmission method includes generating transmission characteristic information about the media data, and transmitting the transmission characteristic information. The transmission characteristic information includes valid range information about the transmission characteristic information.
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公开(公告)号：US20210367988A1
公开(公告)日：2021-11-25
申请号：US17395761
申请日：2021-08-06
发明人： Jae-Hyeon BAE , Kyung-Mo PARK , Young-Wan SO , Hyun-Koo YANG
摘要： The present invention relates to a device and method for transmitting or receiving media resource identification (MRI) information for managing traffic of a service in a communication system. A method for transmitting information associated with content provision in a communication system according to an embodiment of the present invention comprises the steps of: acquiring content configuration information and transmission scheme information for a content; generating media resource identification information including scheduling information and the transmission scheme information according to each content type on the basis of the content configuration information and the transmission scheme information; and transmitting the media resource identification information.
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公开(公告)号：US20190037280A1
公开(公告)日：2019-01-31
申请号：US16048899
申请日：2018-07-30
发明人： Hyun-Koo YANG , Dong-Yeon KIM , Kyung-Mo PARK , Jae-Hyeon BAE , Young-Wan SO
IPC分类号： H04N21/6334 , G06F21/64 , H04N21/643 , H04N21/438
摘要： A method for providing a broadcast service is provided. The method includes transmitting a user datagram protocol (UDP)/internet protocol (IP) packet including a first message, the first message containing information about a message to be signed and transmitted, and transmitting a moving picture experts group (MPEG) media transport protocol (MMTP) packet including a second message, the second message containing information about the broadcast service and information indicating whether the information about the broadcast service is signed. The first message includes an identifier of a key used to verify a signature of the message to be transmitted and signed and an identifier of a hash algorithm used to calculate a hash value of the message to be transmitted and signed.
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5.发明申请公开(公告)号：US20180278970A1
公开(公告)日：2018-09-27
申请号：US15542325
申请日：2016-01-07
发明人： Young-Wan SO , Kyung-Mo PARK , Hyun-Koo YANG
IPC分类号： H04N21/235 , H04N21/61 , H04N21/432 , H04N21/44 , H04N21/462 , H04N21/84 , H04N21/434 , H04N21/236
CPC分类号： H04N21/2353 , H04L47/2433 , H04L65/607 , H04L67/02 , H04L67/34 , H04L69/22 , H04N21/23605 , H04N21/26258 , H04N21/4325 , H04N21/4343 , H04N21/4345 , H04N21/44004 , H04N21/4622 , H04N21/6125 , H04N21/6338 , H04N21/84 , H04N21/8456
摘要： Disclosed are a method and an apparatus for transmitting and receiving media-related information in a communication system. The method comprises the steps of: generating a packet header and a packet payload related to media data; and transmitting a packet comprising the packet header and the packet payload, wherein the packet header comprises priority-related information indicating the priority type of the data included in the packet payload.
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公开(公告)号：US20170127095A1
公开(公告)日：2017-05-04
申请号：US15318285
申请日：2015-06-15
发明人： Kyung-Mo PARK , Young-Wan SO , Gi-Young NAM , Kyoung-Soo PARK , Sang-Wook BAE , Dong-Su HAN , Jae-Yeon SONG
IPC分类号： H04N21/231 , H04N21/845 , H04N21/234 , H04N21/222
CPC分类号： H04N21/23106 , H04N21/222 , H04N21/23418 , H04N21/23439 , H04N21/8451 , H04N21/8455 , H04N21/8456
摘要： A method for managing multimedia data by a contents server comprises the steps of: generating one or more chunks from an input image; generating chunk information of the input image including a list of the generated chunks; performing an identity check among chunks on the basis of the chunk information of the input image and chunk information stored in the contents server; and updating the stored chunk information according to a result of the identity check, wherein the chunks are a meaningful scene unit in an image.
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公开(公告)号：US20210136425A1
公开(公告)日：2021-05-06
申请号：US16488828
申请日：2018-03-29
发明人： Jae-Hyeon BAE , Dong-Yeon KIM , Kyung-Mo PARK , Young-Wan SO , Hyun-Koo YANG
IPC分类号： H04N21/2381 , H04L29/06 , H04L29/12 , H04N21/643
摘要： The present disclosure relates to a method and device for receiving a content by a terminal device. The method for receiving a content by a terminal device comprises the steps of: transmitting a query message requesting content-related information to a first server; receiving a response message including the content-related information from the first server; on the basis of the response message, requesting a content from a second server corresponding to the content-related information; and receiving the content from the second server, wherein the content-related information includes internet protocol (IP) addresses of the second server, pieces of port information, and pieces of media information relating to a content.
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公开(公告)号：US20200296188A1
公开(公告)日：2020-09-17
申请号：US16891849
申请日：2020-06-03
发明人： Hyun-Koo YANG , Kyung-Mo PARK , Young-Wan SO , Sung-Hee HWANG
IPC分类号： H04L29/06 , H04L12/721 , H04L29/08
摘要： 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.
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公开(公告)号：US20190281339A1
公开(公告)日：2019-09-12
申请号：US16304422
申请日：2017-05-26
发明人： Young-Wan SO , Dong-Yeon KIM , Kyung-Mo PARK , Jae-Hyeon BAE , Hyun-Koo YANG
IPC分类号： H04N21/278 , H04N21/2668 , H04N21/262
摘要： A method for providing a media service list to a user according to an embodiment of the present disclosure comprises the steps of: acquiring location information of at least one media service list; receiving the at least one media service list on the basis of the location information; generating an integrated media service list by integrating the received at least one media service list; and providing the integrated media service list to a user.
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公开(公告)号：US20190245951A1
公开(公告)日：2019-08-08
申请号：US15999060
申请日：2017-02-17
发明人： Dong-Yeon KIM , Hyun-Koo YANG , Jae-Hyeon BAE , Kyung-Mo PARK , Young-Wan SO
CPC分类号： H04L69/324 , H04L12/64 , H04L47/34 , H04L65/607 , H04L69/22
摘要： 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.
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