Patents by Inventor Tae-In Hyon

Tae-In Hyon 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).

  • Patent number: 9357399
    Abstract: A mobile system and a base station system for effectively using a licensed spectrum and a shared spectrum are provided. The mobile system includes: an initialization unit to initialize transmitting and receiving of data using at least one of the licensed spectrum and the shared spectrum; a sensing unit to sense a spectrum for transmitting and receiving of the data via the at least one spectrum; and a transceiver to transmit and receive the data via the sensed spectrum.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: May 31, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Soo Kwon, Kyung Hun Jang, In Sun Lee, Youngsoo Kim, Hyo Sun Hwang, Tae In Hyon
  • Patent number: 9137673
    Abstract: Provided are a method and apparatus for controlling signal interference between networks in a personal area network. In one embodiment, an interference control apparatus may include: a cooperation determining unit configured to determine whether to perform a wireless cooperation with a neighboring mobile hub that manages a neighboring sensor node, based on a magnitude of an interference signal from the neighboring sensor node; a transmitter configured to transmit, to the neighboring mobile hub via a first communication link, first information received from a target sensor node; a receiver configured to receive the first information from the target sensor node via a second communication link, and to receive second information from the neighboring mobile hub via the first communication link; and a decoding unit configured to perform wireless cooperative multi-user decoding based on the first information and the second information.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: September 15, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Jin Kim, Tae In Hyon, Ki Ho Kim
  • Patent number: 9107079
    Abstract: An ultra-low power wireless communication apparatus and an ultra-low power wireless communication method are provided. The ultra-low power wireless communication apparatus includes a sensing unit configured to sense state information of frequency channels in a frequency band. The ultra-low power wireless communication apparatus further includes a channel determining unit configured to divide the frequency band into frequency bands based on an allowable output power, assign a priority to one of the frequency bands that includes an output power that is less than or equal to the allowable output power, and determine a communication channel based on the state information of the frequency channels.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: August 11, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae In Hyon, Young Jun Hong, Jae Sup Lee
  • Patent number: 9036522
    Abstract: Provided are low-power wireless communication apparatuses and a method thereof. A hub may receive a beacon signal from a neighboring hub that is within a predetermined area from the hub, and control an operation of a node served by the hub based on information received from the neighboring hub.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: May 19, 2015
    Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Chang Soon Park, Young Soo Kim, Tae In Hyon, Minchae Jung, Kyuho Hwang, Sooyong Choi
  • Patent number: 9020563
    Abstract: A mini base station connectable with the Internet including a frequency recognition unit to recognize a frequency band of an external signal transmitted from a cellular base station; and an operation frequency determination unit to determine an operation frequency band according to interference generated with the cellular base station based on the recognized frequency band of the external signal.
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: April 28, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyo Sun Hwang, Tae Soo Kwon, Tae In Hyon, Kyung Hun Jang, In Sun Lee, Youngsoo Kim, Hyun Gi Ahn, Hyun Ho Choi
  • Patent number: 9014094
    Abstract: A main hub, a sub hub, and a sensor node communicating in a wireless body area network (WBAN) including at least one sub hub, and a communication method thereof, are provided. A communication method of the main hub, includes assigning a beacon slot to the sub hub. The method further includes receiving, from the sub hub, a beacon signal based on the beacon slot. The method further includes verifying whether the sub hub includes data to be transmitted to the main hub based on the beacon signal. The method further includes receiving, from the sub hub, the data based on a result of the verification.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: April 21, 2015
    Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Young Soo Kim, Chang Soon Park, Tae In Hyon, Hyo Sun Hwang, Sung Soo Park, Seok Won Lee, Hyung Sik Ju, Dae Sik Hong
  • Patent number: 8868097
    Abstract: An operation method of a radio communication station is provided. The operation method of a radio communication station, the operation method including: transmitting a basic pilot signal to at least one terminal located in a coverage of a preoccupied system; and transmitting a cognitive radio (CR) pilot signal.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: October 21, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Soo Kwon, Hyun Gi Ahn, Tae In Hyon, Kyung Hun Jang, In Sun Lee, Youngsoo Kim, Hyo Sun Hwang, Hyun Ho Choi
  • Patent number: 8761780
    Abstract: An access point (AP) and a mobile station in a wireless communication system and a method of controlling the same are provided. A method of controlling an AP in a wireless communication system includes: determining whether a transmission of a control message is needed; transmitting the control message via a first frequency band when the transmission of the control message is needed; determining whether a transmission of a data message is needed; and transmitting the data message via a second frequency band when the transmission of the data message is needed.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: June 24, 2014
    Assignees: Samsung Electronics Co., Ltd., Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyun Ho Choi, Tae In Hyon, Hyo Sun Hwang, In Sun Lee, Young Soo Kim, Hyun Gi Ahn
  • Patent number: 8620219
    Abstract: Provided is a wireless communication system between medical devices. A wireless communication apparatus between medical devices using a cognitive technology may receive, from an external frequency coordination database server, state information of frequencies that are available in a predetermined area, and store interference information associated with the frequencies. The communication apparatus may sense an external interference signal that affects the frequencies outside the predetermined area, and an internal interference signal that affects the frequencies within the predetermined area. The communication apparatus may determine a priority of each of the frequencies that are available in the predetermined area based on the interference information, the external interference signal, and the internal interference signal, and may determine a frequency to be assigned based on the priority.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: December 31, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae In Hyon, Sung Jin Kim
  • Patent number: 8554210
    Abstract: An apparatus for storing handover information in a mobile communication system is provided. The apparatus includes an estimation unit configured to estimate a direction of arrival (DOA) of a received signal with respect to a first base station based on the received signal, the received signal being received from a terminal belonging to the first base station, and a storage unit to store the estimated DOA as handover information associated with a second base station when the terminal is handed over to the second base station.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: October 8, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Ho Choi, In Sun Lee, Hyo Sun Hwang, Yoon Chae Cheong, Tae In Hyon, Kyung Hun Jang, Young Soo Kim
  • Publication number: 20130252553
    Abstract: An ultra-low power wireless communication apparatus and an ultra-low power wireless communication method are provided. The ultra-low power wireless communication apparatus includes a sensing unit configured to sense state information of frequency channels in a frequency band. The ultra-low power wireless communication apparatus further includes a channel determining unit configured to divide the frequency band into frequency bands based on an allowable output power, assign a priority to one of the frequency bands that includes an output power that is less than or equal to the allowable output power, and determine a communication channel based on the state information of the frequency channels.
    Type: Application
    Filed: February 20, 2013
    Publication date: September 26, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae In HYON, Young Jun HONG, Jae Sup LEE
  • Publication number: 20130195083
    Abstract: A main hub, a sub hub, and a sensor node communicating in a wireless body area network (WBAN) including at least one sub hub, and a communication method thereof, are provided. A communication method of the main hub, includes assigning a beacon slot to the sub hub. The method further includes receiving, from the sub hub, a beacon signal based on the beacon slot. The method further includes verifying whether the sub hub includes data to be transmitted to the main hub based on the beacon signal. The method further includes receiving, from the sub hub, the data based on a result of the verification.
    Type: Application
    Filed: November 14, 2012
    Publication date: August 1, 2013
    Inventors: Young Soo KIM, Chang Soon PARK, Tae In Hyon, Hyo Sun HWANG, Sung Soo PARK, Seok Won LEE, Hyung Sik JU, Dae Sik HONG
  • Publication number: 20130155927
    Abstract: Provided are low-power wireless communication apparatuses and a method thereof. A hub may receive a beacon signal from a neighboring hub that is within a predetermined area from the hub, and control an operation of a node served by the hub based on information received from the neighboring hub.
    Type: Application
    Filed: January 27, 2012
    Publication date: June 20, 2013
    Inventors: Chang Soon Park, Young Soo Kim, Tae In Hyon, Minchae Jung, Kyuho Hwang, Sooyong Choi
  • Patent number: 8385870
    Abstract: A system of controlling an antenna of a moving object is provided. The system includes: a plurality of communication antennas established in the moving object; an environmental information generation unit generating environmental information which includes strength information of a received signal and moving speed information of the moving object; an antenna use determination unit determining, with respect to the plurality of communication antennas, a number of antennas for each use based on the environmental information; and an antenna assigning unit assigning the plurality of communication antennas for each use according to the determined number of antennas.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: February 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In Sun Lee, Kyung Hun Jang, Hyo Sun Hwang, Hyun Ho Choi, Tae In Hyon, Young Soo Kim
  • Patent number: 8331295
    Abstract: A base station and a mobile station for processing wireless communication with each other, and a method for controlling the same are provided. The method for controlling a base station which performs radio communication with a mobile station includes starting radio communication via at least one arbitrary mobile station and a predetermined cellular channel; receiving Channel Quality Indication (CQI) information from the mobile station; determining whether a radio communication anomaly occurs between a specific mobile station from among the at least one arbitrary mobile station and the base station by using the received CQI information; and when determining that the radio communication anomaly occurs with the specific mobile station, controlling to interrupt the radio communication via the predetermined cellular channel and perform radio communication via the specific mobile station and either a shared channel or an open channel.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: December 11, 2012
    Assignee: Samsung Electronics Co. Ltd.
    Inventors: Hyun Ho Choi, Kyung Hun Jang, Young Soo Kim, Tae In Hyon, In Sun Lee, Hyo Sun Hwang
  • Publication number: 20120188992
    Abstract: Provided are a method and apparatus for controlling signal interference between networks in a personal area network. In one embodiment, an interference control apparatus may include: a cooperation determining unit configured to determine whether to perform a wireless cooperation with a neighboring mobile hub that manages a neighboring sensor node, based on a magnitude of an interference signal from the neighboring sensor node; a transmitter configured to transmit, to the neighboring mobile hub via a first communication link, first information received from a target sensor node; a receiver configured to receive the first information from the target sensor node via a second communication link, and to receive second information from the neighboring mobile hub via the first communication link; and a decoding unit configured to perform wireless cooperative multi-user decoding based on the first information and the second information.
    Type: Application
    Filed: January 25, 2012
    Publication date: July 26, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Jin KIM, Tae In HYON, Ki Ho KIM
  • Publication number: 20120172075
    Abstract: Provided is a wireless communication system between medical devices. A wireless communication apparatus between medical devices using a cognitive technology may receive, from an external frequency coordination database server, state information of frequencies that are available in a predetermined area, and store interference information associated with the frequencies. The communication apparatus may sense an external interference signal that affects the frequencies outside the predetermined area, and an internal interference signal that affects the frequencies within the predetermined area. The communication apparatus may determine a priority of each of the frequencies that are available in the predetermined area based on the interference information, the external interference signal, and the internal interference signal, and may determine a frequency to be assigned based on the priority.
    Type: Application
    Filed: June 10, 2011
    Publication date: July 5, 2012
    Inventors: Tae In Hyon, Sung Jin Kim
  • Patent number: 8185055
    Abstract: An interference determination apparatus, including a signal receiver to receive a first signal of a primary network and a second signal of a secondary network; a correlator to compute a correlation value of a first cyclic prefix included in the first signal and a correlation value of a second cyclic prefix included in the second signal; and an interference determination unit to determine an interference level or whether the interference occurs between the primary network and the secondary network, using the correlation value of the first cyclic prefix and the correlation value of the second cyclic prefix.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: May 22, 2012
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Hyun Ho Choi, Hyo Sun Hwang, Tae In Hyon, Kyung Hun Jang, In Sun Lee, Hyun Gi Ahn, Yong Ho Cho, Dong Jo Park, Jung Hyun Park
  • Patent number: 8126471
    Abstract: A cognitive radio communication apparatus and method to control a sensing operation. The cognitive radio communication apparatus includes an information receiver to receive channel state information associated with a channel occupancy state of a primary system from at least one sensing node of a secondary system; a sensing control unit to control a sensing period of the at least one sensing node according to a change pattern of the channel occupancy state, based on the channel state information; and a control information transmitter to transmit control information associated with the controlled sensing period to at least one member node of the secondary system.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: February 28, 2012
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology (KAIST)
    Inventors: Hyun Gi Ahn, Tae In Hyon, Kyung Hun Jang, In Sun Lee, Youngsoo Kim, Hyo Sun Hwang, Hyun Ho Choi, Seungmo Kim, Youngnam Han, Wan Choi
  • Patent number: 8094743
    Abstract: A spatial modulation method and transmitting and receiving apparatuses using the spatial modulation method in a MIMO system are provided. The spatial modulation method uses an index of an activated antenna and a signal modulation constellation as an information source. The spatial modulation method is applied to the transmitting apparatus. The receiving apparatus uses a spatial modulation detection method in which a channel path gain is repeatedly multiplied to detect the spatially modulated signal efficiently.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: January 10, 2012
    Assignees: Samsung Electronics Co., Ltd., The University Court of the University of Edinburgh
    Inventors: Chang-Wook Ahn, Sang-Boh Yun, Eung-Sun Kim, Harald Haas, Mesleh Raed, Tae-In Hyon, Stephen McLaughlin