Patents by Inventor Hak-Seong Kim

Hak-Seong Kim 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 device for transmitting a sounding reference signal
    Patent number: 9143299
    Abstract: The present invention provides a method and device for transmitting a sounding reference signal on a wireless communication system. More specifically, the present invention relates to an SRS transmission method comprising the steps of: receiving cell-specific parameters for constituting a SRS; receiving first terminal-specific parameters designating a resource which can be used in the non-periodic transmission of the SRS; receiving request information whereby SRS transmission is requested; and, after the request information has been received, transmitting the SRS by using the resource allocated by means of the first terminal-specific parameters; wherein the SRS is transmitted inside subframes designated by means of the cell-specific parameters, and the present invention also relates to a device for the same.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: September 22, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Han Byul Seo, Byoung Hoon Kim, Ki Jun Kim, Hak Seong Kim
  • Method of using component carrier by relay station in multi-carrier system and relay station
    Patent number: 9143294
    Abstract: A method of using component carrier by a relay station in a multi-carrier system comprises: receiving a component carrier (CC) link configuration information from a base station (BS); allocating a CC to at least one of a backhaul link between the BS and the RS and an access link between the RS and an RS user equipment (UE) according to the CC link configuration information; and transmitting or receiving a signal by using the CC in the allocated link.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: September 22, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Hak Seong Kim, Byoung Hoon Kim
  • Method for transmitting a signal related to a change in transmission format
    Patent number: 9137845
    Abstract: Provided is a method of transmitting a signal related to a change in a transmission format. In a wireless communication system which uses an orthogonal frequency division multiplexing (OFDM) symbol or a single carrier-frequency division multiple access (SC-FDMA) symbol, the method includes: transmitting, from a base station to a receiver, a radio resource control (RRC) message indicating that a first transmission format is changed to a second transmission format; and if an acknowledgement (ACK) message for the RRC message is not received, repetitively transmitting the RRC message, from the base station to the receiver, together with data based on the first transmission format or data based on the second transmission format, wherein the data based on the first transmission format and the data based on the second transmission format transmitted together with the RRC message are alternately selected.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: September 15, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Hak Seong Kim, Han Byul Seo, Byoung Hoon Kim, Ki Jun Kim
  • Method for selecting an adaptive CoMP scheme
    Patent number: 9137726
    Abstract: Disclosed is a method for selecting an adaptive CoMP scheme for a user equipment. The user equipment selects a first CoMP set which can maximize a signal to interference-plus-noise ratio (SINR) from among CoMP sets while performing a first coordinate multi-point (CoMP) scheme. Then, the user equipment compares the current data transmission rate thereof and the required minimum data transmission rate thereof and the required minimum data transmission rate while performing the first CoMP scheme and selecting the first CoMP set. Subsequently, the user equipment which performs the first CoMP scheme selects a second CoMP scheme on the basis of the result of the comparison in accordance with a predetermined sequence of CoMP schemes.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: September 15, 2015
    Assignee: LG ELECTRONICS, INC.
    Inventors: Soon Yil Kwon, Han Byul Seo, Byeong Geol Cheon, Byoung Hoon Kim, Ki Jun Kim, Hak Seong Kim
  • METHOD FOR RECEIVING ACK/NACK SIGNAL IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20150244503
    Abstract: A method for transmitting information of resources for use in transmission of ACK/NACK signals in a mobile communication system is disclosed. An example method for receiving ACK/NACK signals in a mobile communication system is also disclosed. When resources for transmission of data and resources for transmission of control information of the data are scheduled through virtual unit resources, the method identifies information of resources for receiving an ACK/NACK signal for transmission data mapped to information of at least one of a virtual unit resource allocated to the transmission data and a virtual unit resource allocated to control information of the transmission data, and receives the ACK/NACK signal for the transmission data through the information of resources for receiving the ACK/NACK signal.
    Type: Application
    Filed: May 8, 2015
    Publication date: August 27, 2015
    Inventors: Dae Won LEE, Bong Hoe KIM, Young Woo YUN, Ki Jun KIM, Dong Wook ROH, Suk Hyon YOON, Joon Kui AHN, Dong Youn SEO, Hak Seong KIM, Jung Hoon LEE, Eun Sun KIM, Sung Duk CHOI
  • Signal transmission method and apparatus in a relay communication system
    Patent number: 9112644
    Abstract: The present invention relates to a data transmission/receiving method and apparatus in a relay communication system. In particular, the data transmission/receiving method through a backhaul link between a base station and a relay node in a relay communication system comprises: composing a backhaul subframe including a control signal transmission period to which a control signal is allocated and a backhaul signal transmission period to which a backhaul signal is allocated and then allocating the backhaul signal; transmitting configuration information about the backhaul subframe, the information containing symbol position or size data of the backhaul signal transmission period, to the relay node through an upper layer signal; and transmitting the backhaul signal having been allocated through the backhaul subframe to the relay node.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: August 18, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Han-Byul Seo, Hak-Seong Kim, Ki-Jun Kim, Soon-Yil Kwon
  • Method of allocating uplink transmission channels in a communication system
    Patent number: 9113454
    Abstract: A method of allocating channels in a user equipment is disclosed. In particular, a method of allocating a plurality of Dedicated Physical Channels (DPCHs) and Enhanced Dedicated Channels (E-DCHs) in a user equipment of a multicode transmission system. The method includes determining whether a High Speed Downlink Shared Channel (HS-DSCH) is configured for the user equipment (UE) and determining a number of codes used by the DPCH and the E-DCH. The method further includes allocating the DPCH and the E-DCH channels to an I branch or a Q branch based on the number of codes used by the DPCH and the E-DCH and the HS-DSCH configuration.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: August 18, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Bong Hoe Kim, Joon Kui Ahn, Hak Seong Kim, Dong Wook Roh, Dong Youn Seo, Seung Hwan Won
  • Method and apparatus for allocating resources in a wireless communication system
    Patent number: 9107189
    Abstract: A method of transmitting signals by a base station in a wireless communication system. The method includes transmitting, to a relay node, resource allocation information indicating a Virtual Resource Block (VRB) set through Radio Resource Control (RRC) signaling; and transmitting a downlink subframe including at least one control channel element (CCE) related to the relay node. The at least one CCE is allocated from a specific Orthogonal Frequency Division Multiplexing (OFDM) symbol other than a first OFDM symbol of the downlink subframe. The VRB set is configured for a Relay Physical Downlink Control Channel (R-PDCCH).
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: August 11, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hak Seong Kim, Han Byul Seo, Ki Jun Kim, Dong Youn Seo
  • Method for transmitting control signal using efficient multiplexing
    Patent number: 9106379
    Abstract: A method of transmitting a control signal using efficient multiplexing is disclosed. The present invention includes the steps of multiplexing a plurality of 1-bit control signals within a prescribed time-frequency domain by code division multiple access (CDMA) and transmitting the multiplexed control signals, wherein a plurality of the 1-hit control signals include a plurality of the 1-bit control signals for a specific transmitting side. Accordingly, reliability on 1-bit control signal transmission can be enhanced.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: August 11, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Hak Seong Kim, Sung Duk Choi, Ki Jun Kim, Suk Hyon Yoon, Joon Kui Ahn, Bong Hoe Kim, Dong Youn Seo, Young Woo Yun, Jung Hoon Lee, Seong Hoon Jeong
  • Method and apparatus for transmitting reference signal for reducing intercell interference in multiple input multiple output communication system
    Patent number: 9100866
    Abstract: According to one embodiment, a method for receiving a Channel State Information-Reference Signal (CSI-RS) for measuring a channel includes: receiving CSI-RSs on resource elements (REs) in a subframe configured for the CSI-RSs from a base station, wherein if each CSI-RS of the received CSI-RSs is transmitted from each of four or more transmit antenna ports of the base station, at least two REs on which each CSI-RS is received are associated with each of the four or more transmit antenna ports; and transmitting channel state information based on the received CSI-RSs.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: August 4, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Eun Sun Kim, Ki Jun Kim, Hak Seong Kim, Han Byul Seo, Byoung Hoon Kim
  • Method for transceiving signals between a base station and a relay node in a multiuser multi-antenna wireless communication system, and apparatus for same
    Patent number: 9100144
    Abstract: The present disclosure relates to a method in which a base station transmits signals to a relay node in a multiuser multi-antenna (MIMO) wireless communication system. More particularly, the method includes: allocating one or more antenna ports to one or more relay nodes, respectively; mapping each of a plurality of downlink grant signals for the one or more relay nodes to a preset resource domain from among resource domains corresponding to one of the allocated antenna ports; mapping uplink grant signals or data signals for the one or more relay nodes to the resource domains corresponding to the allocated antenna ports; and transmitting the mapped signals to the one or more relay nodes.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: August 4, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Hak Seong Kim, Han Byul Seo, Byoung Hoon Kim, Ki Jun Kim, Dae Won Lee
  • METHOD FOR ALLOCATING BACKHAUL LINK RESOURCES IN RELAY COMMUNICATION SYSTEM, AND METHOD & APPARATUS FOR TRANSMITTING & RECEIVING DATA USING SAME
    Publication number: 20150201403
    Abstract: A method and a base station are described for transmitting a downlink signal in a wireless communication system. A configuration of orthogonal frequency division multiplexing (OFDM) symbols for a first partition of a subframe are transmitted through high layer signaling. A relay-physical downlink control channel (R-PDCCH) contained in the first partition of the subframe is transmitted. If the R-PDCCH contains a downlink assignment, the first partition of the subframe is configured to be not used for a physical downlink shared channel (PDSCH) transmission.
    Type: Application
    Filed: January 22, 2015
    Publication date: July 16, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Han-Byul SEO, Byoung-Hoon KIM, Ki-Jun KIM, Hak-Seong KIM
  • METHOD OF TRANSMITTING PILOT BITS IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150200798
    Abstract: A method of allocating pilot bits in a wireless communication system using a multiple carrier modulation (MCM) is disclosed. The method includes allocating a plurality of precoded data symbols precoded by a precoding matrix module and a plurality of non-precoded pilot bits to a plurality of subcarriers, and transmitting the allocated precoded data symbols and the allocated non-precoded pilot bits.
    Type: Application
    Filed: March 19, 2015
    Publication date: July 16, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Hak Seong KIM, Bong Hoe KIM, Dong Wook ROH, Joon Kui AHN, Dong Youn SEO, Jung Hoon LEE
  • Backhaul downlink signal decoding method of relay station and relay station using same
    Patent number: 9083435
    Abstract: A method of decoding a backhaul downlink signal of a relay node (RN), the method includes receiving a higher layer signal indicating a maximum transmission rank from a base station (BS), receiving control information through a relay control channel from the BS, and demodulating the control information, wherein the control information is mapped to resource elements which do not overlap with user equipment-specific reference signal resource elements (URS REs) in a control region which is used for the relay control channel transmission of the BS, the URS REs being reserved resource elements for user equipment-specific reference signals (URSs) according to the maximum transmission rank, and wherein the control information is demodulated based on user equipment-specific reference signals transmitted by the BS on one fixed antenna port n, where n is a natural number.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: July 14, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Han Byul Seo, Dae Won Lee, Byoung Hoon Kim, Hak Seong Kim, Ki Jun Kim
  • Hybrid automatic repeat request and channel information feedback for relay
    Patent number: 9077531
    Abstract: Operations of a relay are disclosed. To perform a hybrid automatic repeat request (HARQ), the relay receives a plurality of codewords from a base station and transmits a status indicator with respect to the plurality of codewords to the base station. The status indicator is a signal informing the base station about whether or not the configuration of an HARQ has been changed. Although a backhaul link and an access link are asymmetric, HARQ operation can be achieved.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: July 7, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hak Seong Kim, Eun Sun Kim, Byeong Geol Cheon, Bong Hoe Kim
  • Method for receiving ACK/NACK signal in mobile communication system
    Patent number: 9078247
    Abstract: A method for transmitting information of resources for use in transmission of ACK/NACK signals in a mobile communication system is disclosed. An example method for receiving ACK/NACK signals in a mobile communication system is also disclosed. When resources for transmission of data and resources for transmission of control information of the data are scheduled through virtual unit resources, the method identifies information of resources for receiving an ACK/NACK signal for transmission data mapped to information of at least one of a virtual unit resource allocated to the transmission data and a virtual unit resource allocated to control information of the transmission data, and receives the ACK/NACK signal for the transmission data through the information of resources for receiving the ACK/NACK signal.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: July 7, 2015
    Assignee: LG Electronics Inc.
    Inventors: Dae Won Lee, Bong Hoe Kim, Young Woo Yun, Ki Jun Kim, Dong Wook Roh, Suk Hyon Yoon, Joon Kui Ahn, Dong Youn Seo, Hak Seong Kim, Jung Hoon Lee, Eun Sun Kim, Sung Duk Choi
  • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL FROM RELAY STATION IN RADIO COMMUNICATION SYSTEM
    Publication number: 20150188676
    Abstract: A method of transmitting a signal, performed by a base station, in a wireless communication system. The method according to one embodiment includes transmitting a backhaul downlink signal to a relay station through a backhaul downlink transmission subframe. The backhaul downlink transmission subframe includes 14 orthogonal frequency division multiplexing (OFDM) symbols and the 14 OFDM symbols are indexed 0 to 13.
    Type: Application
    Filed: March 13, 2015
    Publication date: July 2, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Hak Seong KIM, Soon Yil KWON, Han Byul SEO, Young Seob CHOI, Byoung Hoon KIM, Ki Jun KIM
  • METHOD FOR TRANSMITTING UPLINK SIGNALS
    Publication number: 20150180638
    Abstract: A method for transmitting uplink signals, which include ACK/NACK signals, control signals other than the ACK/NACK signals, and data signals, is disclosed. The method comprises serially multiplexing the control signals and the data signals; sequentially mapping the multiplexed signals within a specific resource region in accordance with a time-first mapping method, the specific resource region including a plurality of symbols and a plurality of virtual subcarriers; and arranging the ACK/NACK signals at both symbols near symbols to which a reference signal of the plurality of symbols is transmitted. Thus, the uplink signals can be transmitted to improve receiving reliability of signals having high priority.
    Type: Application
    Filed: February 25, 2015
    Publication date: June 25, 2015
    Inventors: Dae Won LEE, Bong Hoe KIM, Young Woo YUN, Ki Jun KIM, Dong Wook ROH, Hak Seong KIM, Hyun Wook PARK
  • Relay station data transmission method
    Patent number: 9066365
    Abstract: A method of a relay node transmitting data is provided. The method includes receiving scheduling information about a backhaul link and data from a base station; receiving channel information about an access link from relay node user equipment; performing scheduling on the access link based on the scheduling information about the backhaul link and the channel information about the access link; and relaying the data to the relay node user equipment according to a result of the scheduling. The backhaul link means a link between the base station and the relay node, and the access link means a link between the relay node and the relay node user equipment.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: June 23, 2015
    Assignees: LG ELECTRONICS INC., SOONGSIL UNIVERSITY RESEARCH-CONSORTIUM TECHNO-PARK OFFICE OF RESEARCH & UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Hak Seong Kim, Yo An Shin, Ki Ho Lee, Ki Jun Kim, San Hae Kim
  • Method and apparatus of transmitting control information in a wireless communication system
    Patent number: 9065647
    Abstract: The present invention is directed to a wireless communication, more specifically to a method and apparatus of transmitting control information via a PUCCH in the wireless communication system, which comprises generating channel quality information and ACK/NACK information; and transmitting the channel quality information and the ACK/NACK information together via the PUCCH at a subframe, the subframe including a plurality of SC-FDMA symbols, wherein if SRS transmission is not configured at the subframe, all SC-FDMA symbols of the subframe are used for the transmission of the PUCCH, wherein if the SRS transmission is configured at the subframe, last SC-FDMA symbol of the subframe is not used for transmission of the PUCCH.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: June 23, 2015
    Assignee: LG ELECTRONICS INC.
    Inventor: Hak Seong Kim