Patents by Inventor Han Gyu Cho

Han Gyu Cho 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: 9178676
    Abstract: Provided are a method and a device for monitoring the control channel in a multicarrier system. The terminal determines a plurality of terminal-specific search spaces corresponding respectively to a plurality of scheduled component carriers in a control region within a subframe. The terminal monitors a downlink control channel for the scheduled component carriers corresponding respectively to the plurality of terminal-specific search spaces.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: November 3, 2015
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Sung Ho Moon, Jae Hoon Chung, Yeong Hyeon Kwon, Han Gyu Cho
  • Patent number: 9178660
    Abstract: A data retransmission method using hybrid automatic repeat request (harq) includes transmitting a data block, receiving a retransmission request signal for the data block, generating a retransmission block by performing swapping or inversion between bits constituting the data block according to the retransmission request signal, and transmitting the retransmission block.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: November 3, 2015
    Assignee: LG Electronics Inc.
    Inventors: Sung Ho Moon, Seung Woo Nam, Jong Min Kim, Hyung Ho Park, Han Gyu Cho, Jin Soo Choi, Jae Hoon Chung, Jong Young Han, Suk Woo Lee
  • Patent number: 9167604
    Abstract: The methods and an apparatuses for scanning in WLAN are disclosed. A method of a scanning of a station (STA) may include monitoring a channel during a probedelay based on a MAC sublayer management entity (MLME)-SCAN.request primitive indicating an active scanning for a target Access Point (AP), receiving a frame including a channel congestion indicator from an AP during the probedelay, generating a MLME-SCAN.change request primitive to request a change of a scanning type parameter included in the MLME-SCAN.request primitive when the channel congestion indicator indicates that the channel is congested, generating a MLME-SCAN.change confirm primitive to confirm the change of the scanning type parameter included in the MLME-SCAN.request primitive as a response of the MLME-SCAN.change request primitive, and performing a passive scanning for the target AP based on the MLME-SCAN.change confirm primitive.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: October 20, 2015
    Assignee: LG Electronics Inc.
    Inventors: Gi Won Park, Ki Seon Ryu, Jin Sam Kwak, Han Gyu Cho
  • Patent number: 9166753
    Abstract: The present invention relates to a method for providing control information in a mobile communication system. More specifically, the invention relates to a method for providing control information through a network in mobile communication. The method comprises: a step for configuring the information associated with plural frequency resource groups and the power levels thereof in the control information of preset data format, wherein the plural frequency resource groups are for application of FFR (Fractional Frequency Reuse), and a step for transmitting the control information to at least one terminal.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: October 20, 2015
    Assignee: LG Electronics Inc.
    Inventors: Su Nam Kim, Jae Wan Kim, Han Gyu Cho, Bin Chul Ihm, Dong Guk Lim
  • Patent number: 9148860
    Abstract: A method and device for transmitting a power headroom report (PHR) by a user equipment (UE) in a communication system supporting a plurality of carriers. The method includes transmitting, to an eNode B (eNB), a power headroom report (PHR) related to the plurality of carriers configured for the UE. The power headroom report (PHR) comprises a first type power headroom (PH) and a second type power headroom (PH). While the first type power headroom (PH) is calculated for a power headroom report (PHR) related to a primary carrier and a non-primary carrier, the second type power headroom (PH) is calculated for a power headroom report (PHR) related to only the primary carrier. The second type power headroom (PH) is calculated for case of simultaneous transmission of a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH).
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: September 29, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Cheol Kim, Sung Ho Moon, Han Gyu Cho, Jae Hoon Chung
  • Patent number: 9107212
    Abstract: Disclosed are a terminal device for receiving a signal in a wireless communication system for supporting a plurality of component carriers and a method thereof. In the terminal device for receiving the signal in the system for supporting the component carriers, a receiver receives a Physical Downlink Control Channel (PDCCH) including control information of a first type component carrier from a base station or a relay. A processor performs a decoding operation or controls an operation in a slip mode on the basis of control information included in a PDCCH in a second type component carrier after a time corresponding to a particular time offset value passes from a transmission time point of the PDCCH.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: August 11, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyu Jin Park, Sung Ho Moon, Jae Hoon Chung, Seung Hee Han, Yeong Hyeon Kwon, Han Gyu Cho
  • Patent number: 9088970
    Abstract: The present invention relates to a wireless communication system, More specifically, the present invention relates to a method and an apparatus for direct communication between terminals. The method for performing communication between terminals using a first terminal in a wireless communication system comprises the steps of: transmitting request information for communication between terminals to a base station; receiving, from the base station, control information necessary for setting a link for communication between the terminals after transmitting the request information; setting a direct link between the terminals for data flow between the first and second terminals using the control information; and the first and second terminals performing communication for data transmission using the direct link between the terminals when the control information is not transmitted from the base station.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: July 21, 2015
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Ji Woong Jang, Hyun Woo Lee, Han Gyu Cho
  • Patent number: 9088954
    Abstract: The present invention relates to a wireless communication system. In particular, for the transmission of a locating zone configured across one or more superframes for transmitting a locating synchronizing signal for determining the location of a terminal in a wireless communication system, the wireless communication system of the present invention transmits, to a terminal, a superframe header including information indicating whether or not to transmit the locating zone. Thus, the terminal can discern a terminal belonging to the location zone form among superframes received by the terminal.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: July 21, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jin Soo Choi, Han Gyu Cho, Jin Sam Kwak, Seung Hee Han
  • Publication number: 20150188621
    Abstract: A method for receiving control information by a relay node in a wireless communication system. The method according to one embodiment includes receiving first information indicating downlink subframes assigned for a base station (BS)-to-the relay node transmission as a bitmap; receiving second information related to resource blocks (RBs) for a relay physical downlink control channel (R-PDCCH) transmission; and receiving an R-PDCCH during a number of orthogonal frequency division multiplexing (OFDM) symbols from a fourth OFDM symbol of a corresponding RB of a corresponding downlink subframe n of the downlink subframes.
    Type: Application
    Filed: March 13, 2015
    Publication date: July 2, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyu Jin PARK, Han Gyu CHO, Yeong Hyeon KWON, Jae Hoon CHUNG
  • Publication number: 20150189604
    Abstract: A method and device for transmitting a power headroom report (PHR) by a user equipment (UE) in a communication system supporting a plurality of carriers. The method includes transmitting, to an eNode B (eNB), a power headroom report (PHR) related to the plurality of carriers configured for the UE. The power headroom report (PHR) comprises a first type power headroom (PH) and a second type power headroom (PH). While the first type power headroom (PH) is calculated for a power headroom report (PHR) related to a primary carrier and a non-primary carrier, the second type power headroom (PH) is calculated for a power headroom report (PHR) related to only the primary carrier. The second type power headroom (PH) is calculated for case of simultaneous transmission of a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH).
    Type: Application
    Filed: February 26, 2015
    Publication date: July 2, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Dong Cheol KIM, Sung Ho MOON, Han Gyu CHO, Jae Hoon CHUNG
  • Patent number: 9066338
    Abstract: The present invention relates to a method for transmitting resource allocation information between a mobile communication device and a base station in a wireless mobile communication system that supports a plurality of communication modes. The method comprises the steps of: creating information relating to the number of resource units available for the mobile communication device operating in a second communication mode from all of the whole resource units which can be used by a first mobile communication device operating in a first communication mode and a second mobile communication device operating in the second communication mode; and broadcasting the information relating to the number of available resource units created in the previous step.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: June 23, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jin Soo Choi, Han Gyu Cho
  • Patent number: 9042410
    Abstract: Disclosed is a method for conducting communication using a frame structure which supports two or more wireless communication schemes, and an apparatus using the method. A method for constructing an FDD frame according to the present invention efficiently supports a legacy system and an enhanced system using an H-FDD frame structure. Further, the method for constructing an FDD frame according to the present invention efficiently supports a terminal and an H-FDD terminal, which use different communication systems.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: May 26, 2015
    Assignee: LG Electronics Inc.
    Inventors: Dong Guk Lim, Sung Ho Moon, Han Gyu Cho, Yeong Hyeon Kwon, Jin Sam Kwak
  • Publication number: 20150139126
    Abstract: Disclosed are a terminal device for receiving a signal in a wireless communication system for supporting a plurality of component carriers and a method thereof. In the terminal device for receiving the signal in the system for supporting the component carriers, a receiver receives a Physical Downlink Control Channel (PDCCH) including control information of a first type component carrier from a base station or a relay. A processor performs a decoding operation or controls an operation in a slip mode on the basis of control information included in a PDCCH in a second type component carrier after a time corresponding to a particular time offset value passes from a transmission time point of the PDCCH.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 21, 2015
    Inventors: Kyu Jin PARK, Sung Ho MOON, Jae Hoon CHUNG, Seung Hee HAN, Yeong Hyeon KWON, Han Gyu CHO
  • Patent number: 9036572
    Abstract: Provided are a measurement reporting method and device in a wireless communications system. A mobile station receives data relating to a measurement set for K (M?N) component carriers to be measured from among N component carriers, from a base station. The mobile station measures the K component carriers. The mobile station then reports the results of the measurement of the K component carriers to the base station.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: May 19, 2015
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Han Gyu Cho, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung
  • Patent number: 9036485
    Abstract: The present description relates to a method for performing client cooperation transmission through a group resource allocation (GRA) scheme in a wireless access system, comprising the following steps: receiving a group configuration message, including client group information, from a base station, wherein said group configuration message further includes client cooperation-enabled information that indicates whether or not the client group is concerned with the client cooperation transmission; determining whether or not to participate in the client cooperation by means of the client cooperation-enabled information; and transmitting the result of the determination on whether or not to participate in the client cooperation to the base station.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: May 19, 2015
    Assignee: LG Electronics Inc.
    Inventors: Seunghyun Kang, Dong-Guk Lim, Han-Gyu Cho, Kyujin Park
  • Patent number: 9031569
    Abstract: A method for identifying a MBSFN (Multimedia Broadcast multicast service Single Frequency Network) subframe at a user equipment (UE) in a wireless communication system is disclosed. Receiving module may receive receiving a subframe type information from an base station (BS). Receiving module may receive type information of the MBSFN subframe. The identifying module may identify an index of a MBSFN subframe based on the received subframe type information. The identifying module may identify a type of the MBSFN subframe based on the received type information of the MBSFN subframe. Decoding module may decode only a physical control channel region of the MBSFN subframe based on the identified type of the MBSFN subframe. Alternatively, Decoding module may decode the MBSFN subframe if the identified type of the MBSFN subframe is a decodable type or a known type.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: May 12, 2015
    Assignee: LG Electronics, Inc.
    Inventors: Yeong Hyeon Kwon, Kyu Jin Park, Han Gyu Cho, Jae Hoon Chung
  • Patent number: 9025541
    Abstract: Disclosed is a terminal device for transmitting a power headroom report (PHR) in a multi-carrier communication system, and a method for same. The terminal device for transmitting a power headroom report (PHR) in a multi-carrier communication system comprises a transmitter and a processor. The transmitter transmits, to a base station, a power headroom report for one or more active component carriers allocated to user equipment from among multiple carriers. The processor controls the transmitter such that the transmitter transmits the power headroom report including a first type of power headroom information calculated using the power value of a physical uplink shared channel (PUSCH) of the main component carrier among the active component carriers, and a second type of power headroom information calculated using the power value of the PUSCH and the power value of a physical uplink control channel (PUCCH) of the main component carrier.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: May 5, 2015
    Assignee: LG Electronics Inc.
    Inventors: Dong Cheol Kim, Sung Ho Moon, Han Gyu Cho, Jae Hoon Chung
  • Patent number: 9025524
    Abstract: A method and apparatus of transmitting and receiving a synchronization signal in a distributed antenna system (DAS) is disclosed. A method of receiving a synchronization signal in a mobile station of a distributed antenna system (DAS) comprises receiving a primary preamble from a base station through one of a plurality of distributed antennas, which is previously defined; and acquiring first synchronization using the primary preamble.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: May 5, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hyun Woo Lee, Han Gyu Cho, Seung Hee Han
  • Patent number: 9019811
    Abstract: A method and apparatus of generating a ranging preamble code in a wireless communication system comprises generating a Zadoff-Chu (ZC) sequence in which a cyclic shift is applied to each of a plurality of orthogonal frequency division multiple access (OFDMA) symbols as a ranging preamble code, wherein the cyclic shift is applied for each OFDMA symbol.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: April 28, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hyun Woo Lee, Han Gyu Cho, Jin Sam Kwak, Yeong Hyeon Kwon
  • Patent number: 9007987
    Abstract: The invention relates to a method of transmitting an uplink signal at a communication apparatus in a wireless communication system.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: April 14, 2015
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Han Gyu Cho, Yeong Hyeon Kwon, Jae Hoon Chung