公开(公告)号：US20210195257A1

公开(公告)日：2021-06-24

申请号：US17194809

申请日：2021-03-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Oh HWANG ,  Hyun-Koo YANG ,  Kyung-Mo PARK ,  Young-Kwon LIM ,  Ji-Eun KEUM

IPC: H04N21/2381 ,  H04N21/242 ,  H04N21/234 ,  H04L29/06 ,  H04H60/82 ,  H04H60/40 ,  H04H20/18 ,  H04L12/24 ,  H04N21/2368 ,  H04N21/434 ,  H04N21/643

Abstract: 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.

公开(公告)号：US20200244593A1

公开(公告)日：2020-07-30

申请号：US16848098

申请日：2020-04-14

Applicant: Samsung Electronics Co., Ltd. ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Sung-Oh HWANG ,  Kyung-Mo PARK ,  Jae-Yeon SONG ,  Doug Young SUH ,  Yong-Il KWON

IPC: H04L12/927 ,  H04N21/2343 ,  H04N21/845 ,  H04L29/08 ,  H04L12/26 ,  H04N21/647 ,  H04N21/2381

Abstract: An apparatus and method for transmitting a multimedia data packet are provided. The method includes receiving Bottom-up Network Abstraction Layer (B-NAL) information from a network entity, determining a media data quality based on the received B-NAL information and generating media data having the determined media data quality, and generating a packet including the generated media data and transmitting the packet to the network entity.

公开(公告)号：US20190335210A1

公开(公告)日：2019-10-31

申请号：US16510249

申请日：2019-07-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Oh HWANG ,  Kyung-Mo PARK ,  Sung-Ryeul RHYU ,  Jae-Yeon SONG

IPC: H04N21/238 ,  H04N21/643 ,  H04N21/6405 ,  H04L29/06 ,  H04N21/2362 ,  H04N21/6332 ,  H04N21/2381

Abstract: An apparatus and a method for providing information used for generating and consuming multimedia content in a broadcast system supporting a multimedia service based on an Internet protocol are provided. The method includes composing a message type field containing information indicating on a type of control information contained in the control message, composing a length field containing information on the length of the control message, composing optional fields having different values according to the type of the control information, and composing a payload field containing content of the control information.

公开(公告)号：US20190158897A1

公开(公告)日：2019-05-23

申请号：US16250536

申请日：2019-01-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Mo PARK ,  Sung-Ryeul RHYU ,  Sung-Oh HWANG ,  Jae-Yeon SONG

IPC: H04N21/236 ,  H04L29/06

CPC classification number: H04N21/23605 ,  H04L65/4076 ,  H04L65/607

Abstract: A method and an apparatus for transmitting data in a multimedia transmission system are provided. The method includes receiving, from an encapsulation function layer, a second data unit having one or more first data units, configuring payload header information, the payload header information including a payload type and configuration information, by analyzing header information of the second data unit, configuring one or more payloads from the second data unit based on sizes of the one or more first data units, configuring a multimedia data packet by combining payload header information corresponding to each of the one or more payloads, and transmitting the multimedia data packet to a counterpart entity. Each of the one or more payload includes at least one payload element, the type of which is selected from among a first type, a second type, a third type, a fourth type, and a fifth type.

公开(公告)号：US20190058749A1

公开(公告)日：2019-02-21

申请号：US16166983

申请日：2018-10-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Mo PARK ,  Sung-Ryeul RHYU ,  Sung-Oh HWANG ,  Jae-Yeon SONG

IPC: H04L29/06

Abstract: A method and an apparatus of transmitting media content in a multimedia system are provided. The method includes determining a transmission unit for transmitting at least one multimedia source related to the media content, generating a data stream including header information and the at least one multimedia source according to the determined transmission unit, and transmitting the data stream through a communication network.

公开(公告)号：US20190036997A1

公开(公告)日：2019-01-31

申请号：US16148140

申请日：2018-10-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Mo PARK ,  Sung-Oh HWANG ,  Jae-Yeon SONG

IPC: H04L29/06 ,  H04N21/6437 ,  H04N21/643 ,  H04N21/438 ,  H04N21/2381 ,  H04N21/235 ,  H04H60/07

CPC classification number: H04L65/601 ,  H04H60/07 ,  H04N21/235 ,  H04N21/2381 ,  H04N21/4381 ,  H04N21/64322 ,  H04N21/6437

Abstract: An apparatus and a method for transmitting multimedia data in a broadcast system are provided. A method for constructing a payload for a multimedia frame to be transmitted via a heterogeneous network, in a broadcast system that supports an Internet protocol-based multimedia service, includes dividing the data so as to transmit data of at least one media type and constructing a data region based on each datum of the divided data, constructing a header region including information on the state of the data contained in the data region and/or information on the data region, and combining the data region and the header region to construct a payload for the multimedia frame.

公开(公告)号：US20170230139A1

公开(公告)日：2017-08-10

申请号：US15438439

申请日：2017-02-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Hee HWANG ,  Kyung-Mo PARK ,  Sung-Ryeul RHYU ,  Hyun-Koo YANG ,  Sung-Oh HWANG

IPC: H04L1/00 ,  H04N19/89

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.

公开(公告)号：US20170163561A1

公开(公告)日：2017-06-08

申请号：US15441662

申请日：2017-02-24

Applicant: Samsung Electronics Co., Ltd. ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Sung-Oh HWANG ,  Kyung-Mo PARK ,  Jae-Yeon SONG ,  Doug Young SUH ,  Yong-Il KWON

IPC: H04L12/927 ,  H04N21/845 ,  H04N21/2343 ,  H04L12/26 ,  H04L29/08

CPC classification number: H04L47/805 ,  H04L43/0829 ,  H04L43/0852 ,  H04L43/0888 ,  H04L69/325 ,  H04N21/234327 ,  H04N21/2381 ,  H04N21/647 ,  H04N21/8451

Abstract: An apparatus and method for transmitting a multimedia data packet are provided. The method includes receiving Bottom-up Network Abstraction Layer (B-NAL) information from a network entity, determining a media data quality based on the received B-NAL information and generating media data having the determined media data quality, and generating a packet including the generated media data and transmitting the packet to the network entity.

公开(公告)号：US20160353135A1

公开(公告)日：2016-12-01

申请号：US15115144

申请日：2015-03-02

Applicant: Samsung Electronics Co., Ltd. ,  Kyonggi University Industry & Academia Cooperation Foundation

Inventor： Sung-Hee HWANG ,  Byoung-Dai LEE ,  Hyun-Koo YANG ,  Sung-Oh HWANG

IPC: H04N21/235 ,  H04N21/637 ,  H04N21/435

CPC classification number: H04N21/2362 ,  H04N21/235 ,  H04N21/2365 ,  H04N21/4345 ,  H04N21/435 ,  H04N21/637

Abstract: The present invention relates to a method for transmitting signaling information in a digital broadcast system, the method comprising the steps of: adaptively generating a signaling table relating to signaling information transmitted from a data link layer on the basis of at least one structure among a hierarchical structure and a flat structure on the basis of a characteristic of service configuration; and transmitting the generated signaling table.

Abstract translation: 本发明涉及一种在数字广播系统中发送信令信息的方法，所述方法包括以下步骤：根据数据链路层发送的信令信息自适应地生成信令表，所述信令表根据层级中的至少一个结构 结构和平面结构在服务配置的特点的基础上; 并发送所生成的信令表。

公开(公告)号：US20160330510A1

公开(公告)日：2016-11-10

申请号：US15110682

申请日：2015-01-08

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  KYONGGI UNIVERSITY INDUSTRY & ACADEMIA COOPERATION FOUNDDATION

Inventor： Hyun-Koo YANG ,  Byoung-Dai LEE ,  Sung-Hee HWANG ,  Sung-Oh HWANG

IPC: H04N21/434 ,  H04L29/06 ,  H04L29/08 ,  H04N21/44

CPC classification number: H04N21/4345 ,  H04L69/22 ,  H04L69/323 ,  H04L69/324 ,  H04N21/4381 ,  H04N21/4383 ,  H04N21/44 ,  H04N21/6112

Abstract: A method for receiving signaling information in a digital broadcast system according to an embodiment of the present invention comprises: a step of receiving a plurality of frames in which signaling information of a second layer is inserted in a signaling area of a first layer or a packet of a first layer; and a step of determining the signaling information of the second layer from the signaling area of the first layer or the packet of the first layer, and receiving service data using at least one of the determined signaling information of the second layer and pre-stored signaling information of a second layer.

Abstract translation: 根据本发明实施例的用于在数字广播系统中接收信令信息的方法包括：接收多个帧的步骤，其中第二层的信令信息被插入到第一层或分组的信令区域中 的第一层; 以及从第一层的信令区域或第一层的分组确定第二层的信令信息的步骤，以及使用所确定的第二层的信令信息和预先存储的信令中的至少一个来接收业务数据 第二层的信息。