Patents by Inventor Sung-Oh Hwang

Sung-Oh Hwang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Device and method for transmitting/receiving a packet in communication system
    Patent number: 9578292
    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.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: February 21, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hee Hwang, Kyung-Mo Park, Sung-Ryeul Rhyu, Hyun-Koo Yang, Sung-Oh Hwang
  • Method for generating forward error correction packet in multimedia system and method and apparatus for transmitting and receiving forward error correction packet
    Patent number: 9571124
    Abstract: A method and apparatus for transmitting a Forward Error Correction (FEC) packet block including a plurality of FEC packets in a multimedia system are provided. The method includes generating a plurality of first FEC packet blocks by performing a first FEC encoding on a plurality of source symbols, each of the plurality of first FEC packet blocks including at least one source packet and at least one repair packet for repair of each of the at least one source packet, generating a second FEC packet block by performing a second FEC encoding on the plurality of first FEC packet blocks, the second FEC packet block including at least one repair packet for the plurality of first FEC packet blocks, and transmitting the second FEC packet block that includes, in header information of each of the at least one source packet and the at least one repair packet.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: February 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hee Hwang, Sung-Oh Hwang, Seho Myung, Hyun-Koo Yang, Kyung-Mo Park
  • ELECTRONIC DEVICE AND METHOD FOR STORING SECURITY INFORMATION THEREOF
    Publication number: 20170038989
    Abstract: An apparatus and method for storing security information are provided. The apparatus is generally an electronic device that includes a memory configured to include a secured region to store security information and a processor configured to electrically connect with the memory. The processor is further configured to execute an application program configured to store the security information in a first secured region, to receive a request to store the security information from the application program, and to store the security information in a second secured region different from the first secured region in response to the request.
    Type: Application
    Filed: August 3, 2016
    Publication date: February 9, 2017
    Inventors: Won Suk SEO, Sung Whan MOON, Chang Wook LEE, Sung Oh HWANG, Singh BHUPINDER, Chongyang XIE, Geng CHEN, Muralidhar KATTIMANI, Naman PATEL, Sambit Kumar SHUKLA, Sia Jeffry SAPUTRA, Victor HAVIN, Sung Gyu KIM, Min Woo PARK, Jae Hoon RYU, Seung Hoon LEE, Dong Ho JANG
  • Method and apparatus for transmitting a multimedia data packet
    Patent number: 9560171
    Abstract: A method and an apparatus for transmitting a multimedia data packet are provided. The method includes generating Media Abstraction Layer (MAL) information for abstracting information on the multimedia data to be transmitted, generating a multimedia data packet including said MAL information, and transmitting the generated multimedia data packet to a network entity.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: January 31, 2017
    Assignees: Samsung Electronics Co., Ltd., UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Kyung-Mo Park, Sung-Oh Hwang, Jae-Yeon Song, Doug Young Suh, Yong Hun Lee
  • Transmitting apparatus, receiving apparatus and signal processing method thereof
    Patent number: 9553957
    Abstract: A transmitting apparatus includes: a baseband packet generator configured to generate a baseband packet including a header and payload data corresponding to an input stream; a frame generator configured to generate a frame including the baseband packet; a signal processor configured to process the generated frame; and a transmitter configured to transmit the processed frame, wherein the header includes information about whether a number of null packets deleted when generating the baseband packet is more than a predetermined number, information about a number of packets within the baseband packet, and information about a number of the deleted null packets.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: January 24, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-hee Hwang, Hyun-koo Yang, Sung-oh Hwang
  • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING MULTI-MEDIA SERVICES
    Publication number: 20170019690
    Abstract: A server for transmitting and receiving messages for a Signaling (S) layer in a Moving Picture Experts Group (MPEG) Media Transport (MMT) is provided. The server includes a first sub-layer of the S layer for producing first messages to provide information used for the use of MPEG a second sub-layer of the S layer for producing second messages to provide information used for delivering MPEG media, and a Delivery (D) layer for making external and internal deliveries of the first and the second messages, wherein each of the first and the second messages includes at least one field corresponding to each of the message type, version, length, extension field and payload.
    Type: Application
    Filed: September 30, 2016
    Publication date: January 19, 2017
    Inventors: Sung-Oh HWANG, Yong-Han KIM, Kyung-Mo PARK, Sung-Ryeul RHYU, Jae-Yeon SONG
  • TRANSMITTING APPARATUS, RECEIVING APPARATUS, AND CONTROLLING METHODS, THEREOF
    Publication number: 20160366251
    Abstract: A transmitting apparatus is provided. The transmitting apparatus includes: a baseband packet (BBP) generator configured to generate a BBP including a header and payload data; a frame generator configured to generate a frame including the BBP; a signal processor configured to signal-process the generated frame; and a transmitter configured to transmit the signal-processed frame. The header includes information about a type of the payload data, whether an additional header exists, a length of the payload data, and a Least Significant Bit (LSB) of the length of the payload data. Therefore, various types of data are mapped on a physical layer based on information included in the header, and data processing efficiency is improved.
    Type: Application
    Filed: August 25, 2016
    Publication date: December 15, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-oh HWANG, Alain MOURAD, Hyun-koo YANG, Sung-hee HWANG
  • METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SIGNALING INFORMATION IN DIGITAL BROADCAST SYSTEM
    Publication number: 20160353135
    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.
    Type: Application
    Filed: March 2, 2015
    Publication date: December 1, 2016
    Inventors: Sung-Hee HWANG, Byoung-Dai LEE, Hyun-Koo YANG, Sung-Oh HWANG
  • METHOD FOR GENERATING FORWARD ERROR CORRECTION PACKET IN MULTIMEDIA SYSTEM AND METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FORWARD ERROR CORRECTION PACKET
    Publication number: 20160344408
    Abstract: A method and apparatus for transmitting a Forward Error Correction (FEC) packet block including a plurality of FEC packets in a multimedia system are provided. The method includes generating a plurality of first FEC packet blocks by performing a first FEC encoding on a plurality of source symbols, each of the plurality of first FEC packet blocks including at least one source packet and at least one repair packet for repair of each of the at least one source packet, generating a second FEC packet block by performing a second FEC encoding on the plurality of first FEC packet blocks, the second FEC packet block including at least one repair packet for the plurality of first FEC packet blocks, and transmitting the second FEC packet block that includes, in header information of each of the at least one source packet and the at least one repair packet.
    Type: Application
    Filed: August 5, 2016
    Publication date: November 24, 2016
    Inventors: Sung-Hee HWANG, Sung-Oh HWANG, Seho MYUNG, Hyun-Koo YANG, Kyung-Mo PARK
  • APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SIGNALING INFORMATION IN DIGITAL BROADCAST SYSTEM
    Publication number: 20160330510
    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.
    Type: Application
    Filed: January 8, 2015
    Publication date: November 10, 2016
    Inventors: Hyun-Koo YANG, Byoung-Dai LEE, Sung-Hee HWANG, Sung-Oh HWANG
  • METHOD AND APPARATUS FOR REPRODUCING MULTIMEDIA DATA
    Publication number: 20160330507
    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.
    Type: Application
    Filed: January 8, 2015
    Publication date: November 10, 2016
    Applicant: KYONGGI UNIVERSITY INDUSTRY & ACADEMIA COOPERATION FOUNDATION
    Inventors: Sung-Oh HWANG, Byoung-Dai LEE, Hyun-Koo YANG, Sung-Hee HWANG
  • Method and apparatus for managing tokens for digital rights management
    Patent number: 9491184
    Abstract: A method and apparatus for managing tokens for Digital Rights Management (DRM) in a terminal are provided. In the method, at least one token is acquired from a Rights Issuer (RI), and the token is moved to a Secure Removable Media (SRM) through a token move request message. The token can be shared by several terminals.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: November 8, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-Rae Lee, Sung-Oh Hwang, Sergey Nikolayevich Seleznev, Kook-Heui Lee
  • System and method for producing an electronic program guide for user-created content
    Patent number: 9467242
    Abstract: A system and method are provided for producing a personalized Electronic Program Guide (EPG), that includes a content server for receiving from a content producer a request for upload of content, transmitting to the content producer a request for information related to the content, receiving from the content producer the content and the information related to the content, and generating a personalized EPG from the content and the information related to the content.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: October 11, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Ho Yeon Park, Jun-Hyung Kim, Sung-Oh Hwang
  • Method and apparatus for remote management of device
    Patent number: 9467517
    Abstract: Disclosed is remote management of a device by using another device that supports device management service as an intermediary. The device collects device information of said at least one device connected through a personal area network, converts the device information to converted device information of a form based on a device management protocol supported by the device management server, transfers the converted device information to the device management server, receives function management data related to said at least one device from the device management server, and transfers the received function management data to said at least one device through the personal area network.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: October 11, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Hye Lee, Sung-Jin Park, Sung-Oh Hwang, Wuk Kim
  • Transmitting apparatus, receiving apparatus, and controlling methods thereof
    Patent number: 9462090
    Abstract: A transmitting apparatus is provided. The transmitting apparatus includes: a baseband packet (BBP) generator configured to generate a BBP including a header and payload data; a frame generator configured to generate a frame including the BBP; a signal processor configured to signal-process the generated frame; and a transmitter configured to transmit the signal-processed frame. The header includes information about a type of the payload data, whether an additional header exists, a length of the payload data, and a Least Significant Bit (LSB) of the length of the payload data. Therefore, various types of data are mapped on a physical layer based on information included in the header, and data processing efficiency is improved.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: October 4, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-oh Hwang, Alain Mourad, Hyun-koo Yang, Sung-hee Hwang
  • Method and apparatus for transmitting and receiving multi-media services
    Patent number: 9462311
    Abstract: A server for transmitting and receiving messages for a Signaling (S) layer in a Moving Picture Experts Group (MPEG) Media Transport (MMT) is provided. The server includes a first sub-layer of the S layer for producing first messages to provide information used for the use of MPEG, a second sub-layer of the S layer for producing second messages to provide information used for delivering MPEG media, and a Delivery (D) layer for making external and internal deliveries of the first and the second messages, wherein each of the first and the second messages includes at least one field corresponding to each of the message type, version, length, extension field and payload.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: October 4, 2016
    Assignees: Samsung Electronics Co., Ltd., University of Seoul Industry Cooperation Foundation
    Inventors: Sung-Oh Hwang, Yong-Han Kim, Kyung-Mo Park, Sung-Ryeul Rhyu, Jae-Yeon Song
  • IPTV service provision method and system for fixed and mobile devices
    Patent number: 9461847
    Abstract: An Internet Protocol (IP) TeleVision (IPTV) service provision method and system is provided for providing both fixed and mobile device users with IPTV services. The IPTV service provision method of the present invention includes establishing, when a Mobile-IPTV terminal function (M-ITF) including a first Open IPTV Terminal Function (OITF) having a plurality of functional entities and an embedded gateway having a plurality gateway functions detects a gateway function of an IPTV Terminal Function (ITF) including a second OITF having a plurality of functional entities and a plurality of gateways, a link with the gateway function of the ITF; disabling the embedded gateway; requesting a service provider network for an IPTV service via the gateway function of the ITF; and establishing a service link with the service provider network to received the IPTV service.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: October 4, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jun Hyung Kim, Sung Oh Hwang, Bo Sun Jung, Ji Eun Keum, Ho Yeon Park
  • Method for generating forward error correction packet in multimedia system and method and apparatus for transmitting and receiving forward error correction packet
    Patent number: 9438273
    Abstract: A method and apparatus for transmitting a Forward Error Correction (FEC) packet block including a plurality of FEC packets in a multimedia system are provided. The method includes generating a plurality of first FEC packet blocks by performing a first FEC encoding on a plurality of source symbols, each of the plurality of first FEC packet blocks including at least one source packet and at least one repair packet for repair of each of the at least one source packet, generating a second FEC packet block by performing a second FEC encoding on the plurality of first FEC packet blocks, the second FEC packet block including at least one repair packet for the plurality of first FEC packet blocks, and transmitting the second FEC packet block that includes, in header information of each of the at least one source packet and the at least one repair packet.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: September 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hee Hwang, Sung-Oh Hwang, Seho Myung, Hyun-Koo Yang, Kyung-Mo Park
  • Method and apparatus for managing dynamic queue in broadcasting system
    Patent number: 9438528
    Abstract: A method and an apparatus for adaptively coping with a network environment are provided. The method and apparatus includes a packet descriptor for forwarding of Media Transport (MMT) packets in a network process of a switch or a router for processing MMT packets forwarding content expressed in a structure of an MMT standard. The method of managing a queue in a broadcasting system includes receiving a Moving Picture Experts Group (MPEG) MMT packet, obtaining a header of the MMT packet, and queuing the MMT packet according to a type value of a bitrate included in the header of the MMT packet.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: September 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Mo Park, Sung-Ryeul Rhyu, Sung-Oh Hwang, Jae-Yeon Song
  • Apparatus and method for providing an application service in a broadcast system
    Patent number: 9407946
    Abstract: An apparatus and a method for driving an application, contained in a hybrid multimedia service, in a broadcast system that provides a user equipment with the hybrid multimedia service based on a hybrid network including at least a broadcast network and a network supporting an Internet protocol is provided. To this end, a broadcast server constituting the broadcast system constructs control information to be used for acquiring an instruction table for driving the application contained in the hybrid multimedia service, and transmits the constructed control information to the user equipment in a predetermined format. The user equipment may acquire the instruction table using the control information provided from the broadcast server, and drive a desired application using the acquired instruction table.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: August 2, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Mo Park, Sung-Oh Hwang, Jae-Yeon Song