Patents by Inventor Kyu Jin Park

Kyu Jin Park 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: 8848580
    Abstract: A resource allocation method of a relay station in a wireless communication system employing the relay station is provided. The method includes: receiving information on a resource allocation pattern for an access link and a backhaul link of a first frequency band; and determining a resource allocation pattern for an access link and a backhaul link of a second frequency band on the basis of the resource allocation pattern of the first frequency band, wherein the first frequency band is any one of an uplink frequency band and a downlink frequency band, and the second frequency band is a remaining one of the uplink frequency band and the downlink frequency band.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: September 30, 2014
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Jae Hoon Chung, Han Kyu Cho, Eun Jong Lee, Doo Hyun Sung
  • Publication number: 20140286233
    Abstract: According to one embodiment of the present invention, the method for transmitting control information from a relay node to a base station on a backhaul link comprises the steps of: determining whether one time slot of a backhaul uplink subframe from the relay node to the base station is a first type slot having transmitted symbol with guard time set or a second type slot without guard time set; diffusing the control information in a time domain using a first length sequence for the first type slot or a second length sequence for the second type slot; mapping the diffused control information on at least one slot from the first type slot or the second type slot; and transmitting the backhaul uplink subframe having more than one slot from the first type slot or the second type slot wherein the control information is mapped.
    Type: Application
    Filed: June 6, 2014
    Publication date: September 25, 2014
    Inventors: Jae Hoon Chung, Moon IL Lee, Kyu Jin Park, Sung Ho Moon, Seung Hee Han, Yeong Hyeon Kwon
  • Publication number: 20140286265
    Abstract: The invention relates to a method of transmitting an uplink signal at a communication apparatus in a wireless communication system.
    Type: Application
    Filed: June 4, 2014
    Publication date: September 25, 2014
    Inventors: Kyu Jin PARK, Han Gyu CHO, Yeong Hyeon KWON, Jae Hoon CHUNG
  • Patent number: 8842617
    Abstract: The method for wireless resource subframe allocation comprises the following steps: allocation of the control channel based on the first RAT (Radio Access Technology) of the first control domain, which includes the OFDM symbol of the first number from the sub-frame containing multiple OFDM symbols and multiple subcarriers in the frequency domain; allocation of the control channel based on the second RAT of the second control domain including the OFDM symbol of the second number which follows said first control domain; and the allocation of a data channel in the data domain which includes the OFDM symbols positioned outside said first control domain and second control domain. This invention provides a sub-frame structure which is compatible with existing wireless communication systems. This method allows the continued use of existing control channel systems or base signal structures. The method is also capable of supporting advanced features.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: September 23, 2014
    Assignee: LG Electronics Inc.
    Inventors: Jae Hoon Chung, So Yeon Kim, Moon Il Lee, Kyu Jin Park, Hyun Soo Ko, Seung Hee Han, Yeong Hyeon Kwon
  • Patent number: 8837347
    Abstract: Provided are a method and an apparatus for transmitting reference signals in a wireless communication system including a relay station. A base station respectively generates a plurality of reference signals for a plurality of antenna ports, maps the plurality of reference signals into relay zones within at least one resource block according to predetermined reference signal patterns, and transmits the at least one resource block through the plurality of antenna ports. At this point, the plurality of reference signals includes at least one cell-specific reference signal (CRS) of a 3rd generation partnership project (3GPP) long-term evolution (LTE) Rel-8 system.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: September 16, 2014
    Assignee: LG Electronics Inc.
    Inventors: Min Seok Noh, Sung Ho Moon, Kyu Jin Park, Jae Hoon Chung
  • Patent number: 8824356
    Abstract: The present invention provides an apparatus for transmitting and receiving control information and system information for repeaters and a method thereof. According to the present invention, a base station apparatus is provided for transmitting control information for repeaters, wherein a transmitter transmits, to each repeater, interleaving mode information and information on resource areas in which R-PDCCHs (Relay-Physical Downlink Control Channel) of each repeater are allocated. The information on the resource areas includes the control information for each repeater, and the interleaving mode information is related to the interleaving modes which are applied to the R-PDCCHs that are allocated to each repeater.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: September 2, 2014
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung
  • Patent number: 8811262
    Abstract: The present invention relates to a wireless communication system, and more particularly, discloses a method and apparatus in which a relay allocates carriers on a backhaul link and an access link in a multi-carrier wireless communication system.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: August 19, 2014
    Assignee: LG Electronics Inc.
    Inventors: Jae Hoon Chung, Yeong Hyeon Kwon, Sung Ho Moon, Kyu Jin Park
  • Patent number: 8811263
    Abstract: Disclosed in a method whereby a terminal sends an uplink control signal on a wireless communication system. More specifically, the present invention comprises the steps of generating an uplink control signal, allocating uplink sending resources to the uplink control signal, and sending the uplink control signal to a base station; a time resource in the uplink transmission resources is divided into sub-frame units divided into two slots; at least one of the two slots comprises one reference symbol for transmitting a reference signal; and in the slot comprising the one reference symbol, at least one of a plurality of data symbols for transmitting data signals is dropped.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: August 19, 2014
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Min Seok Noh, Kyu Jin Park, Jae Hoon Chung, Seung Hee Han, So Yeon Kim
  • Publication number: 20140226540
    Abstract: A method of transmitting uplink control information by a relay node includes: receiving resource allocation information and sequence information in accordance with a predetermined physical uplink control channel (PUCCH) transmission format for the relay node from an eNode B; and transmitting a PUCCH, to which a sequence corresponding to the sequence information is applied, to the eNode B through a predetermined number of symbols in a second slot of a resource region indicated by the resource allocation information. The predetermined PUCCH transmission format includes: a first format for transmitting ACK/NACK information indicating success or failure of reception of a codeword received from the eNode B; a second format for transmitting channel quality information (CQI) indicating a channel quality state; and a third format for transmitting a scheduling request (SR) signal. A resource for PUCCH transmission format for a user equipment is reused for transmission of the predetermined PUCCH transmission format.
    Type: Application
    Filed: April 16, 2014
    Publication date: August 14, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyu Jin PARK, Yeong Hyeon KWON, Sung Ho MOON, Min Seok NOH, Jae Hoon CHUNG
  • Patent number: 8804588
    Abstract: A method for saving power in a multi-carrier wideband wireless access system is provided. A method for saving the power of a receiver in a multi-carrier wireless communication system includes acquiring multi-carrier information from a transmitter on a primary carrier, entering one or more secondary carriers satisfying a predetermined power saving mode entry condition out of one or more secondary carriers included in the multi-carrier information into a power saving mode, and receiving data during a listening interval according to the power saving mode on the one or more secondary carriers entering the power saving mode. The multi-carrier information includes at least one of information about a plurality of available carriers, information indicating the primary carrier and the one or more secondary carriers out of the plurality of available carriers, and information about the power saving mode entry condition of the one or more secondary carriers.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: August 12, 2014
    Assignee: LG Electronics Inc.
    Inventors: Eun Jong Lee, Moon Il Lee, Hyun Soo Ko, Hyung Ho Park, Doo Hyun Sung, Han Gyu Cho, Jae Hoon Chung, Jong Young Han, Kyu Jin Park, Seung Hee Han, Jin Soo Choi
  • Patent number: 8797941
    Abstract: The present invention relates to a relay node device for receiving control information from a base station and a method therefor. The relay node device according to the present invention comprises: a receiver, which receives information about an area where a relay-physical downlink control channel (R-PDCCH), the channel for transmitting control information for the relay node from a base station, is allocated; a processor, which searches for at least one R-PDCCH for the relay node based on the R-PDCCH allocation information received; and an R-PDCCH receiver, which receives the at least one R-PDCCH from the fourth symbol of the first slot in a downlink backhaul subframe of the area where the at least one R-PDCCH searched for by the processor has been allocated.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: August 5, 2014
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Sung Ho Moon, Jae Hoon Chung
  • Patent number: 8797984
    Abstract: The present invention relates to a method for a repeater to transmit and receive a signal on a downlink sub frame in a wireless communication system, comprising the steps of: transmitting a first physical downlink control channel (PDCCH) to terminals positioned within a repeater cell on a downlink sub frame; and receiving a second PDCCH or a physical downlink shared channel (PDSCH) from a base station after a first guard time succeeding a first PDCCH section elapses, wherein a second guard time succeeding the PDSCH or the second PDCCH received from the base station is allocated to the downlink sub frame, and the repeater receives the second PDCCH through a certain range of symbols in accordance with information on the predetermined control channel section, which is received from the base station.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: August 5, 2014
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Kyu Jin Park, Sung Ho Moon, Seung Hee Han, Jae Hoon Chung
  • Patent number: 8792411
    Abstract: A method and an apparatus for transmitting a control signal of a relay station in a wireless communication system are provided. The relay station generates a control signal of uplink control information and performs mapping of the generated modulation symbol into a backhaul subframe that has a relay physical uplink control channel (R-PUCCH) assigned thereto. The backhaul subframe includes two slots among. Among single carrier frequency division multiple access (SC-FDMA) symbols that constitute the backhaul subframe, an orthogonal cover (OC) sequence is applied to the SC-FDMA symbol which the modulation symbol has been mapped into, and later the backhaul subframe is transmitted. The generated modulation symbol is mapped according to the same pattern as the two slots.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: July 29, 2014
    Assignee: LG Electronics Inc.
    Inventors: Min Seok Noh, Sung Ho Moon, Kyu Jin Park, Jae Hoon Chung
  • Patent number: 8780784
    Abstract: According to one embodiment of the present invention, the method for transmitting control information from a relay node to a base station on a backhaul link comprises the steps of: determining whether one time slot of a backhaul uplink subframe from the relay node to the base station is a first type slot having transmitted symbol with guard time set or a second type slot without guard time set; diffusing the control information in a time domain using a first length sequence for the first type slot or a second length sequence for the second type slot; mapping the diffused control information on at least one slot from the first type slot or the second type slot; and transmitting the backhaul uplink subframe having more than one slot from the first type slot or the second type slot wherein the control information is mapped.
    Type: Grant
    Filed: May 31, 2010
    Date of Patent: July 15, 2014
    Assignee: LG Electronics Inc.
    Inventors: Jae Hoon Chung, Moon II Lee, Kyu Jin Park, Sung Ho Moon, Seung Hee Han, Yeong Hyeon Kwon
  • Publication number: 20140192720
    Abstract: A method for efficiently transmitting and receiving a paging message and system information from and in a mobile station of a broadband wireless access system is disclosed. A method for receiving a paging message in a mobile station comprises receiving paging information from a serving base station, the paging information including paging sub group identifier (paging sub group ID) indicating a paging sub group to which the mobile station belongs; and receiving the paging message for a predetermined paging interval of the paging sub group, wherein the paging sub group is determined separately from a paging group and a geographical location determining the paging group, and is maintained while the mobile station is being operated in an idle mode.
    Type: Application
    Filed: January 29, 2014
    Publication date: July 10, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Eun Jong LEE, Doo Hyun SUNG, Jin Soo CHOI, Han Gyu CHO, Jong Young HAN, Kyu Jin PARK, Hyung Ho PARK, Jae Hoon CHUNG
  • Patent number: 8774081
    Abstract: The invention relates to a method for transmitting an uplink signal and feedback information of a relay, and to a relay apparatus using the method. The relay can receive information, constituting a downlink backhaul subframe and an uplink backhaul subframe from a base station. The relay can transmit an uplink signal via the relevant uplink backhaul subframe on the basis of the received information constituting the uplink backhaul frame. Further, the relay can receive a downlink reference signal from the base station, measure the status of a channel, and transmit the status of the channel in values, in various formats and in various points in time and cycles, to the base station.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: July 8, 2014
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Han Gyu Cho, Yeong Hyeon Kwon, Jae Hoon Chung
  • Patent number: 8774736
    Abstract: A closed-loop antenna switching method, a reference signal allocating method, and a feedback signal transmitting method for the same are disclosed. Namely, by transmitting a reference signal via the plurality of transmitting antennas via the antenna switching for reference signal transmission for each prescribed multiple period of an antenna selection period, efficient antenna index information can be fed back. By setting an antenna switching period to a prescribed multiple of an antenna selection period, it is able to prevent power loss and data decoding performance degradation. And, the present invention includes transmitting a sounding reference signal (SRS) for each band selection period via at least one of the plurality of transmitting antennas and transmitting at least one data demodulation reference signal (DMRS) between the band selection periods via an antenna for not transmitting data by reference signal transmission antenna switching.
    Type: Grant
    Filed: January 21, 2008
    Date of Patent: July 8, 2014
    Assignee: LG Electronics Inc.
    Inventors: Jin Soo Choi, Min Seok Oh, Hyung Ho Park, Sung Ho Moon, Eun Jong Lee, Kyu Jin Park, Doo Hyun Sung, Jae Hoon Chung
  • Patent number: 8767775
    Abstract: A signal transmission method is provided, wherein, when a transmitter transmits a signal to a receiver, a transmitter processor multiplexes a plurality of data for a plurality of connections to be transmitted to one specific receiver, and constitutes a multiplexed medium access control (MAC) packet data unit (PDU) containing a MAC header part for receiving the multiplexed data, and a MAC PDU payload containing the multiplexed data, and the transmitter transmits the multiplexed MAC PDU to the specific receiver. The MAC header part includes a first header part containing a generic MAC header, and a second header part containing an extended header indicator serving as a 1-bit indicator for indicating the existence of an extended header (EH) for each flow ID for each of the plurality of connections. The MAC header part further includes a third header part which selectively contains the extended header for each flow ID in accordance with the extended header indicators for each flow ID.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: July 1, 2014
    Assignee: LG Electronics Inc.
    Inventors: Eun Jong Lee, Han Gyu Cho, Jae Hoon Chung, Kyu Jin Park, Ki Seon Ryu
  • Patent number: 8755326
    Abstract: Disclosed are a base station apparatus and a repeater apparatus for transceiving signals in a wireless communication system. The repeater apparatus comprises: a receiver which receives a signal from a base station through a first region of a first downlink subframe in a component carrier that supports first and second wireless communication schemes; and a transmitter which transmits, through a second region of the first downlink subframe, a signal to one or more terminals of one or more first type of terminals which use the first wireless communication scheme and one or more second type of terminals which use the second wireless communication scheme, simultaneously with said reception of the signal. Here, the first region and the second region are multiplexed in the first downlink subframe in accordance with a frequency division multiplexing (FDM) scheme.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: June 17, 2014
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung, Han Gyu Cho
  • Patent number: 8743771
    Abstract: Disclosed is a method for enabling a relay node to transmit uplink control information. The relay node can receive resource allocation information and sequence information according to the transmission format of a physical uplink control channel set from a base station in advance. Additionally, the relay node can transmit the uplink control information, to which a sequence corresponding to the received sequence information is applied, in at least one slot of a resource area, which is indicated by the received resource allocation information, through a fixed number of symbols.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: June 3, 2014
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Yeong Hyeon Kwon, Sung Ho Moon, Min Seok Noh, Jae Hoon Chung