Patents by Inventor Kyu Han

Kyu Han 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).

  • METHOD AND APPARATUS FOR REPORTING CHANNEL STATUS INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150063324
    Abstract: A method and apparatus of a user equipment are provided for transmitting a channel status report in a communication system. The method includes receiving first information for at least one channel status report; generating a first channel status report corresponding to the first information for the at least one channel status report based on a reference signal in a first subframe; and transmitting the first channel status report based on the first information for the at least one channel status report in a second subframe. The first information for the at least one channel status report comprises information for a period and an offset, and a difference between the first subframe and the second subframe is a smallest value greater than or equal to a predetermined value.
    Type: Application
    Filed: November 5, 2014
    Publication date: March 5, 2015
    Inventors: In Ho LEE, Youn Sun KIM, Jin Kyu HAN
  • Method and system for transmitting channel state information in wireless communication systems
    Patent number: 8971261
    Abstract: A base station includes a transmit path circuitry to transmit an uplink grant in a DCI format to a subscriber station. The base station also includes a receive path circuitry to receive only UCI on a PUSCH from a subscriber station when the uplink grant includes a MCS of an enabled transport block (TB) with a value of 29, or a redundancy version of the PUSCH with a value of 1; a CSI request field with a non-zero value; and a total number of physical resource blocks allocated for the subscriber station, NPRB, with a value less than or equal to a threshold number of physical resource blocks, TPRB. TPRB is based at least partly upon one of a total number of CSI information bits to be transmitted on the PUSCH, Ntotal, and a number of DL CCs reported in a current CSI reporting, NCCs.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: March 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Han Nam, Jianzhong Zhang, Jin-Kyu Han
  • Large-Area Probe Card and Method of Manufacturing the Same
    Publication number: 20150054541
    Abstract: A large-area probe card and method of manufacturing the same including an insulation plate including at least one contactor formed thereon, a main substrate disposed below the insulation plate, and a flexible signal connector vertically passing through the insulation plate and disposed between the at least one contactor and the main substrate to electrically connect the at least one contactor with the main substrate.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 26, 2015
    Inventors: Kyu Han Lee, Hee Seok Jung
  • Bluetooth beacon based location determination
    Patent number: 8965398
    Abstract: Examples disclosed herein relate to utilizing Bluetooth beacons for location determination of a mobile device. A Wi-Fi signal scan and a Bluetooth beacon scan are initiated at the mobile device. A location of the mobile device is determined based on at least on at least one Bluetooth beacon detectable by the mobile device, where the at least one Bluetooth beacon is transmitted from a first location, and where the first location is the location of the mobile device. A user of the mobile device is prompted for location information input, in response to determining that no Bluetooth beacons are detectable by the mobile device or when the at least one Bluetooth beacon detected is determined to be transmitted from a second location different from the location of the mobile device.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: February 24, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jindan Zhu, Kai Zeng, Prasant Mohapatra, Kyu Han Kim
  • METHOD AND APPARATUS FOR ALLOCATING ACKCH RESOURCES IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150049729
    Abstract: Methods and apparatuses are provided for wireless communication. A scheduling message including resource allocation information to allocate a resource for uplink transmission, is received. Data and a pilot are transmitted via the allocated resource for uplink transmission. An ACK/NACK resource is identified based on an index of the allocated resource for uplink transmission and information associated with the transmitted pilot. An ACK/NACK signal is received in response to the transmitted data using the identified ACK/NACK resource.
    Type: Application
    Filed: November 3, 2014
    Publication date: February 19, 2015
    Inventors: Joon-Young CHO, Ju-Ho Lee, Hwan-Hoon Kwon, Jin-Kyu Han
  • CATALYST SYSTEMS FOR PREPARING 1-HEXENE AND/OR 1-OCTENE FROM ETHYLENE
    Publication number: 20150045603
    Abstract: This invention relates to a catalyst system for selective oligomerization of ethylene, which includes (i) a chromium compound; (ii) a ligand having a P—C—C—P backbone structure; and (iii) an activator, thus preparing 1-hexene and/or 1-octene with high activity and selectivity.
    Type: Application
    Filed: March 15, 2013
    Publication date: February 12, 2015
    Inventors: Tack Kyu Han, Min Seon Jung, Dong Chul Shin, Ho Seong Lee, Sung Seok Chae, Jong Sok Han
  • Method and apparatus for controlling retransmission on uplink in a wireless communication system supporting MIMO
    Patent number: 8953522
    Abstract: A method is provided for controlling retransmission by a User Equipment (UE) in a wireless communication system supporting Multiple Input Multiple Output (MIMO) technology. A plurality of transport blocks is initially transmitted to a Node B. A retransmission request for at least one transport block among the plurality of transport blocks is received from the Node B. A precoding matrix for retransmission of the at least one transport block is determined based on the retransmission request for the at least one transport block. The at least one transport block is retransmitted using the determined precoding matrix.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: February 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Kyu Han, Youn-Sun Kim, Myung-Hoon Yeon, Han-Il Yu
  • Method and apparatus for allocating resources of a control channel in a mobile communication system using orthogonal frequency division multiplexing
    Patent number: 8953552
    Abstract: A method is provided for allocating resources of a control channel in a mobile communication system using Orthogonal Frequency Division Multiplexing (OFDM). The method includes, when a time index and a frequency index of available Resource Elements (REs) are defined as l and k, respectively, dividing the available REs in a two-dimensional structure of (k, l); and time-first-allocating each RE to a plurality of RE groups while increasing the time index l for each frequency index k from an initial value up to a predetermined range.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: February 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Kyu Han, Ju-Ho Lee, Hwan-Joon Kwon, Young-Bum Kim, Byung-Sik Kim, Hyoung-Ju Ji
  • METHOD AND SYSTEM FOR INDICATING METHOD USED TO SCRAMBLE DEDICATED REFERENCE SIGNALS
    Publication number: 20150036625
    Abstract: A base station includes a transmit path circuitry to scramble CRC bits of a DCI format using a C-RNTI for dynamic scheduling, and scramble the CRC bits of the DCI format using an SPS C-RNTI for semi-persistent scheduling. If C-RNTI is used, the circuitry generates a downlink transmission grant using the DCI format being a fallback format to indicate a transmit diversity transmission scheme or a single-layer beamforming scheme, and uses the DCI format being a dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme. If SPS C-RNTI is used, the circuitry generates a downlink transmission grant using the DCI format being the fallback format to indicate a single-DRS port transmission scheme, and uses the DCI format being the dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme.
    Type: Application
    Filed: August 12, 2014
    Publication date: February 5, 2015
    Inventors: Young-Han Nam, Jianzhong Zhang, Jin-Kyu Han, Lingjia Liu
  • Method and apparatus for receiving a control channel in a mobile communication system
    Patent number: 8948092
    Abstract: A method and apparatus for receiving control information in a mobile communication system. A controller acquires information indicating variable Control Channel Elements (CCEs) allocated for first User Equipments (UEs) among CCEs constituting control channels, acquires information indicating fixed CCEs allocated for second UEs, selects the variable CCEs when a UE receiving the control information is included in the first UEs, and selects the fixed CCEs when the UE is included in the second UEs. A control information receiver receives the control information through the selected CCEs.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn-Hyoung Heo, Joon-Young Cho, Yujian Zhang, Ju-Ho Lee, Jin-Kyu Han
  • Method and apparatus for transmitting and receiving reference signal in wireless communication system
    Patent number: 8948076
    Abstract: Methods and apparatus are provided for transmitting processing reference signals in a mobile communication system. A base station determines a reference signal pattern comprising at least one resource element, generates a bitmap indicator indicating whether zero transmission power is assigned to the at least one resource element of the reference signal pattern, and transmits the reference signal pattern and the bitmap indicator to a terminal. The terminal receives the reference signal pattern and the bitmap indicator, and processes a reference signal extracted according to the reference signal pattern and the bitmap indicator.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Sung Tae Kim, Youn Sun Kim, Jin-Kyu Han
  • Method and apparatus for mapping/demapping modulation symbols in a mobile communication system
    Patent number: 8942079
    Abstract: A method for mapping wireless resources of reference symbols for channel state estimation and modulation symbols for user information transmission in a transmitter of an Orthogonal Frequency Division Multiplexing (OFDM) mobile communication system is disclosed. The mapping method includes channel-encoding and modulating a user information stream to be transmitted, and then generating a systematic symbol stream and a parity symbol stream; and preferentially arranging systematic modulation symbols in resource elements of a symbol including no reference symbol, and then arranging parity modulation symbols in remaining resource elements.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: January 27, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jin-Kyu Han, Ju-Ho Lee, Joon-Young Cho, Hwan-Joon Kwon
  • APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING THE HYBRID-ARQ ACK/NACK SIGNAL IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20150023397
    Abstract: An apparatus and method are provided for transmitting a symbol group in a mobile communication system. The method includes generating the symbol group to which an orthogonal sequence is applied; mapping the generated symbol group to an orthogonal frequency division multiple (OFDM) symbol and a multiple antenna array based on a symbol group index and a physical hybrid automatic repeat request (HARQ) indicator channel (PHICH) group index; and transmitting the mapped symbol group. The generated symbol group is mapped to the OFDM symbol and the multiple antenna array in an alternating pattern in accordance with the symbol group index.
    Type: Application
    Filed: October 2, 2014
    Publication date: January 22, 2015
    Inventors: Young-Bum KIM, Jin-Kyu Han, Hwan-Joon Kwon, Ju-Ho Lee, Jianzhong Zhang
  • Virtualizing Battery Across a Group of Personal Mobile Devices
    Publication number: 20150019889
    Abstract: A system, method, and non-transitory computer readable medium for virtualizing battery in a personal mobile device or across a group of personal mobile devices controlled by a user are provided. The user specifies a set of power management policies for applications running in the personal mobile device(s). Battery usage per application is monitored and resources for the applications are scheduled based on the monitored battery usage and the power management policies.
    Type: Application
    Filed: March 8, 2012
    Publication date: January 15, 2015
    Inventors: Sujata Banerjee, Parameswaran Ramanathan, Kyu Han Kim
  • Method and device for generating reference signal in cellular mobile communication system
    Patent number: 8934427
    Abstract: Methods and apparatus are provided for transmitting and receiving reference signals through distributed antennas deployed within a service area of a base station in a mobile communication system. First control information, including at least two scrambling factor combinations, is received at a terminal from the base station. Second control information, indicating one of the at least two scrambling factor combinations, is received at the terminal from the base station. The one of the at least two scrambling factor combinations is selected based on the second control information. An initial value of a demodulation reference signal sequence is calculated using the selected scrambling factor combination. The demodulation reference signal sequence is received using the initial value.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: January 13, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyo Jin Lee, Youn Sun Kim, Jin Kyu Han, Joon Young Cho
  • Method and apparatus for transmitting and receiving control channels by restricting a set of the control channels in a wireless communication system
    Patent number: 8934434
    Abstract: A method and apparatus are provided for transmitting control information in a base station for a wireless communication system. The method includes transmitting, to a terminal, information associated with a number of Control Channel Elements (CCEs) included in control channels, determining a set of control channel candidates based on an IDentifier (ID) of the terminal and the information associated with the number of CCEs; selecting at least one control channel candidate from among the set of control channel candidates; and transmitting the control information to the terminal through the selected at least one control channel candidate.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: January 13, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Jun Kwak, Hwan-Joon Kwon, Joon-Young Cho, Ju-Ho Lee, Jin-Kyu Han, Youn-Hyoung Heo, Ping Wang
  • Control and data channels for advanced relay operation
    Patent number: 8929303
    Abstract: A relay station in a wireless communication system is configured to relay communications between the base station and a plurality of subscriber stations. The relay station includes at least one antenna configured to transmit and receive data and control information. The relay station also includes a controller coupled to the antenna. The controller is configured to transmit control information to a subscriber station during a first set of symbols in a relay station to subscriber station (RS-to-SS) subframe. The controller also switches the antenna to a receive mode; and receives control information during a second set of symbols in the RS-to-SS subframe.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: January 6, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yan Wang, Jianzhong Zhang, Joonyoung Cho, Jin-kyu Han
  • METHOD AND APPARATUS FOR REPORTING CHANNEL STATUS INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20140376523
    Abstract: A method and apparatus of a user equipment are provided for transmitting a channel status report in a communication system. The method includes receiving first information for at least one channel status report; generating a first channel status report corresponding to the first information for the at least one channel status report based on a reference signal in a first subframe; and transmitting the first channel status report based on the first information for the at least one channel status report in a second subframe. The first information for the at least one channel status report comprises information for a period and an offset, and a difference between the first subframe and the second subframe is a smallest value greater than or equal to a predetermined value.
    Type: Application
    Filed: September 5, 2014
    Publication date: December 25, 2014
    Inventors: In Ho LEE, Youn Sun KIM, Jin Kyu HAN
  • Washing Machine
    Publication number: 20140377071
    Abstract: A washing machine having a centrifugal fan which may increase a discharge flow rate. The washing machine includes a centrifugal fan adapted to cool a motor, wherein the centrifugal fan comprises a circular plate connected to a shaft of the motor, and a plurality of blades radially arranged around a center of the circular plate, each of the blade includes an inlet portion extending to form an inlet for external air passing therethrough, and a guide bent and inclined from the inlet portion, and an outlet portion bent from the guide to form an outlet for the external air.
    Type: Application
    Filed: February 25, 2014
    Publication date: December 25, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Joo KIM, Eung Ryeol Seo, Hoon Wee, Jin Ki Lee, You Eok Jeon, Kwang Kyu Han
  • METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL INFORMATION IN MULTI-CARRIER WIRELESS COMMUNICATION SYSTEM
    Publication number: 20140369298
    Abstract: A method and apparatus are provided for transmitting Uplink Control Information (UCI) on a data channel in a multi-carrier wireless communication system. The method includes channel-coding a UCI with reference to a number of UCI bits available; dividing the channel coded UCI bits into a number of Physical Uplink Shared Channels (PUSCHs); and transmitting the UCI multiplexed with data on the individual PUSCHs.
    Type: Application
    Filed: August 11, 2014
    Publication date: December 18, 2014
    Inventors: Youn Hyoung HEO, Joon Young CHO, Ju Ho LEE, Jin Kyu HAN, Farooq KHAN, Jianzhong ZHANG