Patents by Inventor Han-Byul Seo

Han-Byul Seo 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 wireless device for monitoring control channel
    Patent number: 9363809
    Abstract: Provided are a method for monitoring a control channel and a wireless device using same. A wireless device decodes downlink control information on a downlink control channel on L number of resource units in an aggregation level L (L>1). The downlink control information comprises a plurality of modulation symbols, and permutations of the plurality of modulation symbols are mapped to the L number of resource units.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: June 7, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hak Seong Kim, Han Byul Seo
  • Method of transceiving signal at relay node in wireless communication system and apparatus thereof
    Patent number: 9356680
    Abstract: A method for allowing a relay node (RN) to transmit and receive in a wireless communication system is disclosed. A method for transmitting and receiving a signal at a relay node in a wireless communication system includes transmitting and receiving a relay-User Equipment (UE) link signal through an access subframe, switching a communication link from a relay-UE link to a relay-base station (BS) link during a predetermined time, and transmitting and receiving a relay?BS link signal through a backhaul subframe. A timing edge of the access subframe is located ahead of a timing edge of an uplink subframe of the backhaul subframe by an offset value.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: May 31, 2016
    Assignee: LG Electronics Inc.
    Inventors: Hak Seong Kim, Han Byul Seo, Ki Jun Kim
  • Backhaul downlink signal decoding method of relay station and relay station using same
    Patent number: 9356682
    Abstract: A method of decoding a backhaul downlink signal of a relay node (RN). A higher layer signal indicating a maximum transmission rank is received from a base station (BS). Control information is received through a relay control channel from the BS. The control information is demodulated and mapped to resource elements (REs) which do not overlap with user equipment-specific reference signal (URS) REs in a control region which is used for the relay control channel transmission of the BS. The URS REs are reserved REs for URSs according to the maximum transmission rank. The control information is demodulated based on URSs transmitted by the BS on one fixed antenna port n, where n is a natural number.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: May 31, 2016
    Assignee: LG Electronics Inc.
    Inventors: Han Byul Seo, Dae Won Lee, Byoung Hoon Kim, Hak Seong Kim, Ki Jun Kim
  • Method for transmitting an uplink signal in a wireless communication system, and apparatus for same
    Patent number: 9357549
    Abstract: A method of transmitting a sounding reference signal (SRS) by a user equipment in a wireless communication system, a non-transitory computer readable medium on which a program for executing the method is recorded, and a user equipment for performing the method are discussed. The method according to one embodiment includes receiving a physical downlink control channel (PDCCH) including a carrier indicator field (CIF) and an SRS field via a first component carrier (CC) among a plurality of CCs including the first CC and one or more second CCs, the CIF indicating a specific CC and the SRS field indicating whether the user equipment has to transmit the SRS; transmitting the SRS on an uplink subframe; and receiving a first medium access control (MAC) information. If a bit for the specific CC in a bitmap has been disabled, the specific CC and SRS transmission on the specific CC are deactivated.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: May 31, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Min Gyu Kim, Dong Youn Seo, Han Byul Seo, Joon Kui Ahn, Suck Chel Yang
  • Method for relaying data in wireless communication system based on time division duplex
    Patent number: 9344186
    Abstract: A method of relaying data in a time division duplex (TDD)-based wireless communication system is provided. The method includes configuring a downlink subframe as a multicast/broadcast single frequency network (MBSFN) subframe, receiving downlink data in the MBSFN subframe; and relaying uplink data to a base station in an uplink subframe, wherein the downlink subframe is linked to the uplink subframe which is reserved to transmit an acknowledgement (ACK)/non-acknowledgement (NACK) signal for downlink data transmission in the downlink subframe. Accordingly, in the TDD-based wireless communication system, efficiency of resource allocation can be increased, and uplink ACK collision can be avoided.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: May 17, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Han Byul Seo, Byoung Hoon Kim
  • Method for allocating backhaul link resources in relay communication system, and method and apparatus for transmitting and receiving data using same
    Patent number: 9338776
    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 higher layer signaling. A relay-physical downlink control channel (R-PDCCH) contained in at least 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 transmission for a physical downlink shared channel (PDSCH) corresponding to the R-PDCCH.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: May 10, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Han-Byul Seo, Byoung-Hoon Kim, Ki-Jun Kim, Hak-Seong Kim
  • Method for receiving data and wireless device
    Patent number: 9326299
    Abstract: Provided are a method for receiving data in a wireless communication system and a wireless device. The wireless device receives a downlink grant on a downlink control channel, and determines the size of a downlink transmission block on the basis of the downlink grant. The maximum size of the downlink transmission block is limited to below or equal to a specific value.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: April 26, 2016
    Assignee: LG Electronics Inc.
    Inventors: Hak Seong Kim, Han Byul Seo, Byoung Hoon Kim
  • Communication method for cooperative multi-point and wireless device using same
    Patent number: 9300447
    Abstract: Provided are a communication method for a cooperative multi-point and a wireless device using the same. The wireless device receives, from a first cooperative multi-point (CoMP) cell, a first physical downlink shared channel (PDSCH) in a first subframe of a first frequency band, and receives, from a second CoMP cell, a second PDSCH in a second subframe of a second frequency band. A portion or the entire first frequency band is overlapped with the second frequency band. A first start point at which the first PDSCH in said first subframe starts being scheduled is the same as a second start point at which the second PDSCH in said second subframe starts being scheduled.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: March 29, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Joon Kui Ahn, Suck Chel Yang, Han Byul Seo, Dong Youn Seo
  • Relay node apparatus for transmitting and receiving signal according to link operation mode in wireless communication system and method thereof
    Patent number: 9281889
    Abstract: A relay node (RN) apparatus for transmitting and receiving a signal according to a link mode in a wireless communication system and a method thereof are disclosed. A processor transmits or receives a signal to or from at least one of a base station and a terminal based on link mode information. At least one antenna receive the link mode information and transmit or receive the signal to or from at least one of the base station and the user equipment. The link mode information includes information a link mode in which the relay node apparatus will operate.
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: March 8, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hak Seong Kim, Byoung Hoon Kim, Han Byul Seo, Dae Won Lee
  • Method and apparatus for relaying data in wireless communication system based on TDD
    Patent number: 9271277
    Abstract: The present invention provides a method and an apparatus of relaying data in a wireless communication system based on Time Division Duplex (TDD). A relay station receives downlink data from a base station in an uplink subframe and relays the downlink data to at least one mobile station. Accordingly, the efficiency of resource allocation for a relay station can be improved.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: February 23, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Byoung Hoon Kim, Yeong Hyeon Kwon, Han Byul Seo, Jae Hoon Chung, Young Woo Yun, Dae Won Lee
  • METHOD AND DEVICE FOR EXECUTING HARQ IN TDD-BASED WIRELESS COMMUNICATION SYSTEM
    Publication number: 20160050060
    Abstract: A method for a base station (BS) to perform a hybrid automatic repeat request (HARQ). The BS transmits an uplink (UL) grant for a first subframe of a second serving cell through a first serving cell. The BS receives UL data based on the UL grant in the first subframe, transmits an acknowledgement/non-acknowledgement (ACK/NACK) for the UL data through a physical HARQ indicator channel (PHICH) in subframe i of the first serving cell and receives non-adaptively retransmitted UL data in a second subframe of the second serving cell if a NACK for the UL data has been transmitted through the PHICH in the subframe i of the first serving cell. The first serving cell and the second serving cell use different UL-DL configurations.
    Type: Application
    Filed: October 27, 2015
    Publication date: February 18, 2016
    Applicant: LG Electronics Inc.
    Inventors: Dong Youn SEO, Min Gyu KIM, Han Byul SEO, Joon Kui AHN, Suck Chel YANG
  • METHOD FOR TRANSMITTING AN UPLINK SIGNAL IN A WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SAME
    Publication number: 20150365949
    Abstract: A method of transmitting a sounding reference signal (SRS) by a user equipment in a wireless communication system, a non-transitory computer readable medium on which a program for executing the method is recorded, and a user equipment for performing the method are discussed. The method according to one embodiment includes receiving a physical downlink control channel (PDCCH) including a carrier indicator field (CIF) and an SRS field via a first component carrier (CC) among a plurality of CCs including the first CC and one or more second CCs, the CIF indicating a specific CC and the SRS field indicating whether the user equipment has to transmit the SRS; transmitting the SRS on an uplink subframe; and receiving a first medium access control (MAC) information. If a bit for the specific CC in a bitmap has been disabled, the specific CC and SRS transmission on the specific CC are deactivated.
    Type: Application
    Filed: August 18, 2015
    Publication date: December 17, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Min Gyu KIM, Dong Youn SEO, Han Byul SEO, Joon Kui AHN, Suck Chel YANG
  • Method and apparatus for mitigating inter-cell interference in wireless communication system
    Patent number: 9215016
    Abstract: A method and apparatus of mitigating inter-cell interference in a wireless communication system are provided. A user equipment receives serving-cell data over a first data channel indicated by a first control channel for which decoding is successful by monitoring a plurality of candidate control channels in a search space of a serving cell. The user equipment receives interfering-cell data over a second data channel indicated by a second control channel for which decoding is successful by monitoring a plurality of candidate control channels in a search space of an interfering cell. The A user equipment cancels interference from the interfering cell by processing the serving-cell data and the interfering-cell data.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: December 15, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyung Tae Kim, Han Byul Seo, Ki Jun Kim
  • Method for prioritizing operation of relay node in a wireless communication system and apparatus for the same
    Patent number: 9203502
    Abstract: Various methods and apparatuses for prioritizing operation of Relay Node are disclosed. A method for prioritizing the transmission and receipt of uplink signals in a relay node of a wireless communication system is presented. The method comprises determining radio resource requirements for receiving one or more access link signals and/or transmitting one or more backhaul link signal, determining the signal type of the one or more access link signals and/or determining the signal type of the one or more backhaul link signals, and selecting one of a transmitting mode operation and a receiving mode operation based on the radio resource requirements for receiving the one or more access link signals and/or transmitting the one or more backhaul link signals, and based on the signal type of the one or more access link signals and/or the signal type of the one or more backhaul link signals.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: December 1, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Han Byul Seo, Hak Seong Kim
  • METHOD AND DEVICE FOR TRANSMITTING A SOUNDING REFERENCE SIGNAL
    Publication number: 20150333886
    Abstract: A method of transmitting a sounding reference signal (SRS) in a wireless communication system is discussed. The method according to one embodiment includes receiving a first UE-specific configuration indicating possible subframes for aperiodic SRS transmission via a radio resource control (RRC) signaling, wherein the possible subframes are periodically configured; receiving a physical downlink control channel (PDCCH) signal including request information of requesting aperiodic SRS transmission; and transmitting at least one SRS one time in response to the request information within the possible subframes.
    Type: Application
    Filed: July 27, 2015
    Publication date: November 19, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Han Byul SEO, Byoung Hoon KIM, Ki Jun KIM, Hak Seong KIM
  • Method and device for executing HARQ in TDD-based wireless communication system
    Patent number: 9191180
    Abstract: Provided are a method and a device for executing a hybrid automatic repeat request (HARQ) of a terminal in a time division duplex (TDD)-based wireless communication system. The method comprises the steps of: receiving an uplink grant for a first subframe of a second serving cell through a first serving cell; transmitting uplink data in the first subframe on the basis of the uplink grant; receiving an acknowledgement/not-acknowledgement (ACK/NACK) for the uplink data through the first serving cell; and, when the ACK/NACK signal is a NACK, transmitting a retransmission data for the uplink data in a second subframe of the second serving cell.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: November 17, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Min Gyu Kim, Han Byul Seo, Joon Kui Ahn, Suck Chel Yang
  • METHOD AND APPARATUS FOR TRANSMITTING A REFERENCE SIGNAL IN A RELAY COMMUNICATION SYSTEM
    Publication number: 20150327109
    Abstract: A method and apparatus for transmitting reference signals in a relay communication system are provided. The method transmits reference signals via a type 2 relay node in a relay communication system and includes a base station (BS) allocating a plurality of antenna ports in a mutually exclusive manner so that the antenna port of the BS and the antenna port of a peripheral relay node do not overlap each other, the BS and relay node transmitting reference signals to a user equipment (UE) via the corresponding antenna ports that are mutually exclusively allocated and the BS receiving channel state information from the UE to obtain channel state information between the BS and the UE and channel state information between the relay node and the UE.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 12, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Han-Byul SEO, Byoung-Hoon KIM
  • Dynamic uplink power control method and device in a wireless communications system
    Patent number: 9179414
    Abstract: A wireless communications system and, more particularly, to a dynamic uplink power control method and device in a wireless communications system are disclosed. A method for dynamically controlling an uplink transmission power at a base station is provided, the method includes the steps of receiving an uplink signal from a user equipment being served by the base station, deciding whether or not an uplink transmission to the base station from the user equipment causes an interference with another base station, and transmitting a transmission power control (TPC) command muting the uplink transmission to the user equipment.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: November 3, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Han Byul Seo, Eun Sun Kim, Hak Seong Kim
  • Method and apparatus for transmitting and receiving scheduling request using shared resource based filtering in radio communication system
    Patent number: 9167596
    Abstract: Disclosed herein is a method and apparatus for transmitting and receiving a scheduling request using a shared resource based filtering method in a radio communication system. The method for supporting scheduling request using shared resources at a base station including assigning each of one or more users to each of one or more subsets of Scheduling Request (SR) resources of a set consisting of a number, M, of SR resources, receiving scheduling request for the one or more users, determining SR resources used for the scheduling request among M SR resources, determining one or more users associated with the received scheduling request based on the assigned SR resources and the determined SR resources, and transmitting scheduling control information to determined one or more users.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: October 20, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Han Byul Seo, Byoung Hoon Kim, Hak Seong 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
    Publication number: 20150296494
    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: Application
    Filed: June 24, 2015
    Publication date: October 15, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Hak Seong KIM, Han Byul SEO, Byoung Hoon KIM, Ki Jun KIM, Dae Won LEE