Patents by Inventor Sung-Kee Noh
Sung-Kee Noh 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).
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Patent number: 11640376Abstract: Provided are an electronic device and method for managing a decentralized identifier (DID) and more specifically a device and method for managing a DID by giving authority over the DID to a user according to a priority level selected by the user.Type: GrantFiled: January 30, 2020Date of Patent: May 2, 2023Assignee: ELECTRONICSAND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hwan Jo Heo, Sung Kee Noh, Chang Hyun Lee, Nam Seok Ko
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Patent number: 11494403Abstract: An off-chain data storage method and apparatus for supporting the integrity and capacity scalability of a data object stored in an off-chain storage. The off-chain data storage method includes collecting a plurality of transactions for a plurality of data objects, creating a root transaction on the basis of a Merkle root of a Merkle tree created based on the collected transactions, and storing the root transaction in a blockchain storage.Type: GrantFiled: March 13, 2020Date of Patent: November 8, 2022Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chang Hyun Lee, Sung Kee Noh, Hwan Jo Heo, Nam Seok Ko
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Publication number: 20200301944Abstract: An off-chain data storage method and apparatus for supporting the integrity and capacity scalability of a data object stored in an off-chain storage. The off-chain data storage method includes collecting a plurality of transactions for a plurality of data objects, creating a root transaction on the basis of a Merkle root of a Merkle tree created based on the collected transactions, and storing the root transaction in a blockchain storage.Type: ApplicationFiled: March 13, 2020Publication date: September 24, 2020Inventors: Chang Hyun LEE, Sung Kee NOH, Hwan Jo HEO, Nam Seok KO
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Publication number: 20200301894Abstract: Provided are an electronic device and method for managing a decentralized identifier (DID) and more specifically a device and method for managing a DID by giving authority over the DID to a user according to a priority level selected by the user.Type: ApplicationFiled: January 30, 2020Publication date: September 24, 2020Inventors: Hwan Jo HEO, Sung Kee NOH, Chang Hyun LEE, Nam Seok KO
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Patent number: 9621620Abstract: The present invention provides content providing apparatus and method and a content providing system which maintains a compatibility with an IP network and deliver a content with a complete distributed architecture excluding the content synchronizing process and the request routing process which delivers the content.Type: GrantFiled: July 12, 2013Date of Patent: April 11, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Woo Sug Jung, Jong Dae Park, Tae Soo Chung, Byung Ho Yae, Sung Kee Noh, Sung Jin Moon, Nam Seok Ko, Hwan Jo Heo
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Patent number: 9577924Abstract: Extension of a function of an Software defined networking (SDN) network device is provided. The network device includes a plurality of flow tables, a plurality of function modules configured to perform different processing on a packet, and an entry module configured to determine an operation to be performed first on the packet between a table search operation and a function module execution operation, in which as a result of the operation determined by the entry module, a table search operation or a function module execution operation to be performed next is designated, and the designation is repeated until an output instruction for the packet is given.Type: GrantFiled: November 10, 2014Date of Patent: February 21, 2017Assignee: Electronics and Telecommunications Research InstituteInventors: Nam-Seok Ko, Sung-Kee Noh, Jong-Dae Park, Hwan-Jo Heo
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Publication number: 20160308873Abstract: A multi-object concurrent control method includes performing a user authentication received from a client apparatus and user apparatuses; in response to the user authentication being completed, creating a virtual personal space through an OPS (Orchestrated Personal Space) service at a request by the client apparatus; registering a shared resource received from the client apparatus in a media server; registering a plurality of user apparatuses in the virtual personal space by inviting, by the client apparatus, the plurality of user apparatuses to the virtual personal space; and controlling, by the client apparatus, an operation of executing the shared resource through a data session connection to the invited apparatuses.Type: ApplicationFiled: March 10, 2016Publication date: October 20, 2016Inventor: Sung Kee NOH
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Patent number: 9374440Abstract: Provided is a packet forwarding structure for supporting network based content caching of aggregate contents. The packet forwarding structure includes: a forwarding table including forwarding information on a content in order to forward a request packet from a terminal; a request list table transmitting the request packet to a destination node according to the forwarding table when the request packet arrives; a content caching information table including the forwarding table, the request list table, and position information on where a content cashed based on a content ID or a content name is stored; and a content server function block storing the cached content.Type: GrantFiled: September 14, 2012Date of Patent: June 21, 2016Assignee: Electronics and Telecommunications Research InstituteInventors: Nam Seok Ko, Sung Kee Noh, Jong Dae Park
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Patent number: 9204458Abstract: A method of assuring QoS in consideration of fairness in a contention-based wireless network and a terminal for the same are provided. When a token is allocated by a wireless access point, the terminal determines priority of a data frame which the terminal intends to use in communication, through a scheme of splitting the allocated token. Therefore, fairness can be assured by selection of the terminal.Type: GrantFiled: November 20, 2012Date of Patent: December 1, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Hwan-Jo Heo, Jong-Dae Park, Tae-Soo Chung, Byung-Ho Yae, Sung-Jin Moon, Woo-Sug Jung, Sung-Kee Noh, Nam-Seok Ko
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Patent number: 9197568Abstract: Disclosed is a Quality of Service (QoS) providing method and apparatus in a software-defined networking (SDN) based network, the QoS providing method including receiving a first packet of a predetermined flow, searching for forwarding information corresponding to the packet and QoS rule information corresponding to the packet in a forwarding table and a QoS rule table, respectively, transmitting the packet to a controller if the forwarding information and the QoS rule information do not exist in the forwarding table and the QoS rule table, and generating a flow entry corresponding to the packet in a flow learning table based on forwarding information and QoS rule information that are received from the controller, thereby efficiently providing QoS.Type: GrantFiled: October 22, 2013Date of Patent: November 24, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Nam Seok Ko, Hwan Jo Heo, Sung Kee Noh, Sung Jin Moon, Woo Sug Jung, Byung Ho Yae, Tae Soo Chung, Jong Dae Park
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Publication number: 20150288830Abstract: An apparatus for controlling a ringtone and vibration automatically, which includes: a user volume controlling unit which sets an output level of a receiving ringtone of a portable device through an operation of a user; a ringtone generating unit which generates a signal for determining the output level of the ringtone according to the setting of the user volume controlling unit; a speaker which receives the signal of the ringtone generating unit and outputs the ringtone at the output level depending on the signal; a microphone which receives the ringtone output through the speaker; and a processing unit which compares a reception level of the ringtone received through the microphone and the output level of the signal or the speaker, generates a control signal for controlling the output level based on a result of the comparison, and outputs the control signal to the ringtone generating unit.Type: ApplicationFiled: March 20, 2015Publication date: October 8, 2015Inventors: Nam Seok KO, Sung Kee NOH
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Publication number: 20150131667Abstract: Extension of a function of an Software defined networking (SDN) network device is provided. The network device includes a plurality of flow tables, a plurality of function modules configured to perform different processing on a packet, and an entry module configured to determine an operation to be performed first on the packet between a table search operation and a function module execution operation, in which as a result of the operation determined by the entry module, a table search operation or a function module execution operation to be performed next is designated, and the designation is repeated until an output instruction for the packet is given.Type: ApplicationFiled: November 10, 2014Publication date: May 14, 2015Inventors: Nam-Seok KO, Sung-Kee NOH, Jong-Dae PARK, Hwan-Jo HEO
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Patent number: 8929216Abstract: A packet scheduling method and apparatus which allows multiple flows that require data transmission to the same output port of a network device such as a router to fairly share bandwidth. The packet scheduling method includes calculating an expected time of arrival of a (k+1)-th packet subsequent to a currently input k-th packet of individual flows by use of bandwidth allocated fairly to each of the flows and a length of the k-th packet; in response to the arrival of the (k+1)-th packet, comparing the expected time of arrival of the (k+1)-th packet to an actual time of arrival of the (k+1)-th packet; and scheduling the (k+1)-th packet of each flow according to the comparison result.Type: GrantFiled: November 21, 2011Date of Patent: January 6, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Nam-Seok Ko, Jong-Dae Park, Byung-Ho Yae, Sung-Kee Noh, Woo-Sug Jung, Sung-Jin Moon, Hwan-Jo Heo, Soon-Seok Lee
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Patent number: 8885646Abstract: A distributed packet processing apparatus capable of distributing packet load across a plurality of packet processing engines is provided. The distributed packet processing apparatus includes a plurality of processing engines each configured to process allocated packets, a first tag generating unit configured to allocate an input packet to a processing engine, which has a processing engine index corresponding to a tag index for the input packet, among the plurality of processing engines, a second tag generating unit configured to calculate a tag index for an output packet, and an index conversion unit configure to convert the tag index for the output packet to one processing engine index among a plurality of processing indexes for the plurality of the processing engines and allocates the output packet to a processing engine having the one processing engine index such that loads are distributed among the plurality of processing engines.Type: GrantFiled: December 12, 2011Date of Patent: November 11, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Hwan-Jo Heo, Nam-Seok Ko, Woo-Sug Jung, Sung-Jin Moon, Sung-Kee Noh, Jong-Dae Park, Byung-Ho Yae
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Publication number: 20140313898Abstract: Disclosed are a method for delivering emergency traffic in a SDN based network and an apparatus performing the same. A method for delivering emergency traffic, performed in a controller, may comprise generating an emergency code for delivering the emergency traffic when an emergency state corresponding to a predefined type occurs; transmitting the emergency code to a first OpenFlow switch connected to a transmitting terminal transmitting the emergency traffic; and transmitting a message directing an update of the emergency code to at least one OpenFlow switch included in a forwarding path of the emergency traffic. Therefore, when an emergency state occurs in a network, emergency traffic corresponding to the emergency state may be delivered efficiently, and stabilities of network management and service qualities may be guaranteed accordingly.Type: ApplicationFiled: April 18, 2014Publication date: October 23, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Byung Ho YAE, Nam Seok KO, Sung Kee NOH, Sung Jin MOON, Jong Dae PARK, Woo Sug JUNG, Tae Soo CHUNG, Hwan Jo HEO
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Publication number: 20140307605Abstract: There are provided a data transmission method of a multi-hop network and a device using the same. The data transmission method of the multi-hop network according to the invention may include receiving information on the multi-hop network, receiving a predetermined desired communication reliability (DCR) of data transmission from a source node to a sink node, determining a single-hop packet transmission rate of each node from the source node to the sink node satisfying the predetermined desired DCR based on the information on the multi-hop network, and notifying each node configuring the multi-hop network of the single-hop packet transmission rate of each of the nodes. In the method and device according to the invention, it is possible to satisfy the DCR required for the multi-hop network and decrease energy consumption by minimizing the total number of transmitted packets.Type: ApplicationFiled: April 10, 2014Publication date: October 16, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Sung Kee NOH, Nam Seok KO, Woo Sug JUNG, Tae Soo CHUNG, Sung Jin MOON, Hwan Jo HEO, Byung Ho YAE, Jong Dae PARK
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Patent number: 8811405Abstract: In a system for providing an IPTV service, if a multicast address of an IPTV channel received from a head-end is a multicast address requested by a mobile node through a tunnel, an end router confirms a care of address (CoA) of the mobile node corresponding to the multicast address of the IPTV channel, sets the multicast address in the first header of broadcasting traffic, sets the CoA of the mobile node in the second header of the broadcasting traffic, and then sends the broadcasting traffic.Type: GrantFiled: August 18, 2010Date of Patent: August 19, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Pyung-Koo Park, Nam Seok Ko, Jong Dae Park, Sung Kee Noh, Soon Seok Lee, Sung Back Hong
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Publication number: 20140149525Abstract: In a case where a transmitting apparatus transmits an instant message, for the generated message, an alert command mode in which it is instructed to perform alert processing when a receiving apparatus receives the message or a no alert command mode in which it is instructed not to perform the alert processing when the receiving apparatus receives the message are set up. Then, the receiving apparatus performs the alert processing when the alert command mode is set up for the received message and does not perform the alert processing when the no alert command mode is set up for the received message.Type: ApplicationFiled: November 27, 2013Publication date: May 29, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Hwanjo HEO, Nam Seok KO, Jong Dae PARK, Woo-Sug JUNG, Sung Jin MOON, Sung Kee NOH, Byung Ho YAE, Tae-Soo CHUNG
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Publication number: 20140112150Abstract: Disclosed is a Quality of Service (QoS) providing method and apparatus in a software-defined networking (SDN) based network, the QoS providing method including receiving a first packet of a predetermined flow, searching for forwarding information corresponding to the packet and QoS rule information corresponding to the packet in a forwarding table and a QoS rule table, respectively, transmitting the packet to a controller if the forwarding information and the QoS rule information do not exist in the forwarding table and the QoS rule table, and generating a flow entry corresponding to the packet in a flow learning table based on forwarding information and QoS rule information that are received from the controller, thereby efficiently providing QoS.Type: ApplicationFiled: October 22, 2013Publication date: April 24, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Nam Seok KO, Hwan Jo HEO, Sung Kee NOH, Sung Jin MOON, Woo Sug JUNG, Byung Ho YAE, Tae Soo CHUNG, Jong Dae PARK
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Publication number: 20140112142Abstract: Provided are a method of packet forwarding and an apparatus therefor. In the method, a method performed in a network apparatus includes receiving at least one packet, providing the at least one packet to a network controller through a data plane when flow information to forward the at least one packet is not available and receiving a message including the flow information to forward the at least one packet from the network controller through a control plane. Therefore, the method and the apparatus may increase an efficiency of packet forwarding by simplifying procedure of configuring flow rules on newly input packets.Type: ApplicationFiled: October 22, 2013Publication date: April 24, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Nam Seok KO, Sung Kee NOH, Jong Dae PARK, Soon Seok LEE