Patents by Inventor Hyeon KWON

Hyeon KWON 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).

  • Publication number: 20120155312
    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: Application
    Filed: June 11, 2010
    Publication date: June 21, 2012
    Inventors: So Yeon Kim, Han Gyu Cho, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung
  • Publication number: 20120147770
    Abstract: This is provided a method for allocating pilots to a sub-frame. The sub-frame includes a plurality of blocks in time domain. The method includes allocating a data demodulation (DM) pilot used for demodulating data to two blocks spaced not contiguous with each other, and allocating a channel quality (CQ) pilot. System capacity can be increased, and degradation of performance incurred by a channel estimation error can be minimized.
    Type: Application
    Filed: January 30, 2012
    Publication date: June 14, 2012
    Inventors: Min Seok Noh, Seung Hee Han, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Chul Kim
  • Publication number: 20120140844
    Abstract: A method for transmitting a random access preamble to a base station at a user equipment (UE) includes generating the random access preamble from a Zadoff-Chu sequence having a length ‘N’ and a root index ‘M’, wherein the random access preamble is defined by a cyclic shift of the Zadoff-Chu sequence and transmitting the generated random access preamble to the base station via a random access channel, wherein the cyclic shift is given by using a variable corresponding to a Doppler shift of one subcarrier spacing, the variable given by using the root index ‘M’, and wherein the cyclic shift is differently given based on whether the variable is smaller than ? of the length ‘N’.
    Type: Application
    Filed: February 8, 2012
    Publication date: June 7, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyun Woo Lee, Min Seok Noh, Yeong Hyeon Kwon, Seung Hee Han, Dong Cheol Kim, Jin Sam Kwak, Dragan Vujcic
  • Publication number: 20120140726
    Abstract: The present invention relates to a method for allocating a relay backhaul resource in a wireless communication system and to an apparatus for same. In detail, the present invention provides a signal-receiving method in which a terminal receives a signal in a wireless communication system, and to an apparatus for same, wherein the method comprises a step of receiving, from a base station, information on one or more first resource blocks (RB) allocated for a relay, a step of receiving resource allocation information through a control channel from the base station, and a step of receiving a predetermined resource block indicated by the resource allocation information among logically continuous second resource blocks. The second resource blocks are logically continuous when excluding said one or more first resource blocks from the entirety of the resource block.
    Type: Application
    Filed: August 2, 2010
    Publication date: June 7, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Sung Ho Moon, So Yeon Kim, Kyu Jin Park, Jae Hoon Chung, Min Seok Noh, Yeong Hyeon Kwon
  • Publication number: 20120140837
    Abstract: A method for transmitting a signal for cell searching in a mobile communication system having a multi-cell environment includes transmitting the signal to one or more receiving party devices within a cell, wherein the signal is used for a synchronization of the one or more receiving party devices within the cell, the signal is defined by a combination of a first code sequence derived from a first index and a second code sequence derived from a second index, and an identity of the cell is used for defining the combination of the first code sequence and the second code sequence.
    Type: Application
    Filed: February 9, 2012
    Publication date: June 7, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hee HAN, Min Seok NOH, Yeong Hyeon KWON
  • Patent number: 8194601
    Abstract: A method for transmitting and receiving signals using multi-band Radio Frequencies (RFs) is provided. The method performs channel coding on an information unit of a specific layer above a physical layer to produce a specific number of codewords and maps the generated specific number of codewords to a plurality of frequency allocation bands managed by one specific layer, and then transmits the mapped signal through each of the plurality of frequency allocation bands. Each of the plurality of frequency allocation bands managed by the one specific layer has a band size for allocation for a specific service according to a predetermined frequency policy. When the generated specific number of codewords is mapped to the plurality of frequency allocation bands, each of the specific number of codewords is mapped to at least one of the plurality of frequency allocation bands.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: June 5, 2012
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Ki Ho Nam, Min Seok Noh, Jin Sam Kwak, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Sung Ho Moon, Sung Gu Cho, Moon Il Lee
  • Publication number: 20120127898
    Abstract: Disclosed are an apparatus and a method for performing communication using a half-frequency division duplex (H-FDD) frame structure in a mobile communication system. A user equipment for performing communication using an H-FDD frame structure according to the present invention comprises an RF unit in which each user equipment group receives and transmits signals using the H-FDD frame structure wherein the order of the downlink zone and uplink zone are reversely allocated to each of the groups. The downlink zone and uplink zone, which are allocated to each of the user equipment groups in the H-FDD frame structure, include a sub-frame wherein one or more symbols are allocated to idle time slots or are punctured. Each of the user equipment groups can receive and transmit signals using symbols that are not allocated to the idle time slots or are not punctured in the sub-frame.
    Type: Application
    Filed: June 17, 2010
    Publication date: May 24, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Dong Guk Lim, Jin Soo Choi, Han Gyu Cho, Jin Sam Kwak, Yeong Hyeon Kwon, Sung Ho Moon
  • Publication number: 20120128039
    Abstract: The present invention relates to a method and an apparatus for transmitting and receiving a control channel for a relay backhaul link in a wireless communication system. In the transmission method of a control channel for a backhaul link in a base station of a wireless communication system according to one aspect of the present invention, the base station (BS) divides and allocates a 1st relay physical downlink control channel (hereinafter referred to as R-PDCCH) symbol to a plurality of OFDM symbols in the R-PDCCH region, and interleaves, by OFDM symbol, part of the 1st R-PDCCH symbols that are allocated to the plurality of OFDM symbols, respectively.
    Type: Application
    Filed: July 16, 2010
    Publication date: May 24, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong Hyeon Kwon
  • Publication number: 20120120868
    Abstract: A method of transmitting control information for a relay node (RN) from an eNode B in a wireless communication system includes transmitting information on a resource region of at least one relay-physical downlink control channel (R-PDCCH) including the control information for the RN and interleaving mode information on an interleaving mode applied to the at least one R-PDCCH to the RN, wherein the resource region of the at least one R-PDCCH is RN-specifically configured.
    Type: Application
    Filed: July 26, 2010
    Publication date: May 17, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyu Jin Park, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung
  • Publication number: 20120121028
    Abstract: The present invention relates to a method and an apparatus for transmitting/receiving a control format indicator channel for a relay backhaul link in a wireless communication system. According to one aspect of the present invention, a method for transmitting a control format indicator channel for a relay backhaul link in a wireless communication system is configured such that a base station generates a relay physical control format indicator channel (hereinafter, referred to as “R-PCFICH”) containing information on a relay physical downlink control channel (hereinafter, referred to as “R-PDCCH”) region, and transmits the R-PCFICH through a first OFDM symbol of the R-PDCCH region.
    Type: Application
    Filed: July 14, 2010
    Publication date: May 17, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: So Yeon Kim, Han Gyu Cho, Sung Ho Moon, Gyu Jin Park, Yeong Hyeon Kwon, Jae Hoon Chung
  • Patent number: 8179857
    Abstract: A method of transmitting a scheduling request which is used to request a radio resource for uplink transmission includes configuring an uplink control channel for transmission of a scheduling request in a subframe, the subframe comprising two consecutive slots, a slot comprising a plurality of single carrier-frequency division multiple access (SC-FDMA) symbols, the scheduling request being carried by presence or absence of transmission of the uplink control channel, and transmitting the scheduling request on the uplink control channel.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: May 15, 2012
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Hyun Woo Lee, Jae Hoon Chung, Jin Sam Kwak, Dong Cheol Kim, Min Seok Noh
  • Publication number: 20120113939
    Abstract: The present invention relates to a method and to an apparatus for random access in a wireless communication system to which carrier aggregation is applied. According to one aspect of the present invention, a method in which a base station supports random access of a terminal in a wireless communication system that supports carrier aggregation, comprises a step in which the base station allocates, to the terminal, a dedicated PRACH preamble for a second random access in an uplink component carrier (hereinafter, referred to as UL CC) which is additionally allocated or the configuration of which is changed after a first random access, and receives the dedicated PRACH preamble from the terminal.
    Type: Application
    Filed: July 6, 2010
    Publication date: May 10, 2012
    Applicant: LG Electronics Inc.
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong Hyeon Kwon
  • Publication number: 20120113884
    Abstract: A method for wireless backhaul communication between a base station and a relay is disclosed. The base station enables a physical control channel to be set up, separately from the terminal that is used to transmit control information to each relay and the physical downlink control channel that has been set up. The base station can transmit data to the relay based on this control information. In a special embodiment, physical downlink control channel transmissions can be minimized by prescribing in advance the transmission of control information between the base station and the relay.
    Type: Application
    Filed: December 24, 2009
    Publication date: May 10, 2012
    Inventors: Kyu Jin Park, Jae Hoon Chung, Han Kyu Cho, Yeong Hyeon Kwon, Sung Ho Moon
  • Publication number: 20120113948
    Abstract: The present invention relates to a method in which a receiver transmits control information in a wireless communication system. The method comprises a step of receiving a plurality of data units from a transmitter, a step of determining acknowledgement/negative-acknowledgement (ACK/NACK) states for each of the data units; and a step of transmitting, to the transmitter, the ACK/NACK states in multiple ACK/NACK states or in a single ACK/NACK state in accordance with a predetermined condition.
    Type: Application
    Filed: July 9, 2010
    Publication date: May 10, 2012
    Inventors: Yeong Hyeon Kwon, So Yeon Kim, Sung Ho Moon, Jae Hoon Chung, Seung Hee Han
  • Publication number: 20120106438
    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: Application
    Filed: July 8, 2010
    Publication date: May 3, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Yeong Hyeon Kwon, Min Seok Noh, Kyu Jin Park, Jae Hoon Chung, Seung Hee Han, So Yeon Kim
  • Publication number: 20120106455
    Abstract: A method for a base station to receive a reference signal sequence from one or more devices within a cell of the base station in a multiple cell environment includes providing the one or more devices with information about the reference signal sequence, wherein the reference signal sequence is defined by a cyclic shift of a base sequence, wherein the base sequence is one of a plurality of base sequences divided into groups, wherein each of the groups comprises at least one base sequence for each length (N), wherein each length (N) corresponds to (12*n), (n) being a positive integer, and receiving the reference signal sequence from one or more of the one or more devices.
    Type: Application
    Filed: December 30, 2011
    Publication date: May 3, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Min Seok NOH, Seung Hee HAN, Yeong Hyeon KWON, Hyun Woo LEE, Dong Cheol KIM, Jin Sam KWAK
  • Publication number: 20120108279
    Abstract: A method for a base station to receive a reference signal sequence from one or more devices within a cell of the base station in a multiple cell environment includes providing the one or more devices with information about the reference signal sequence, wherein the reference signal sequence is defined by a cyclic shift of a sequence within a sequence group identified by a group index (u), wherein the group index (u) is defined according to the cell in the multiple cell environment, wherein the sequence is given by a cyclic extension of a Zadoff Chu (ZC) sequence having an index (q) and a length (NZCRS), and wherein the index (q) is given by using the group index (u) and the length (NZCRS), and receiving the reference signal sequence from one or more of the one or more devices.
    Type: Application
    Filed: December 30, 2011
    Publication date: May 3, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Min Seok NOH, Seung Hee HAN, Yeong Hyeon KWON, Hyun Woo LEE, Dong Cheol KIM, Jin Sam KWAK
  • Publication number: 20120099532
    Abstract: A wireless communication system is disclosed. A method for constructing a RACH preamble according to a cell radius of a base station (BS) irrespective of a guard time (GT) and a method for allocating the RACH preamble are disclosed. A method for constructing a preamble of a random access channel (RACH) includes acquiring time-length information of a predetermined cyclic prefix (CP) for each cell radius of a base station (BS), acquiring sequence time-length information of a single sequence or a repeated sequence, and constructing the preamble using the predetermined CP time-length information and the sequence time-length information, irrespective of a time length of a guard time (GT).
    Type: Application
    Filed: December 20, 2011
    Publication date: April 26, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyun Woo LEE, Seung Hee HAN, Min Seok NOH, Jin Sam KWAK, Dragan VUJCIC, Dong Cheol KIM, Yeong Hyeon KWON
  • Publication number: 20120099565
    Abstract: Provided are a synchronization acquisition method and apparatus in a multi-carrier system. A terminal acquires the synchronization for a first downlink component carrier by detecting a primary synchronization signal (PSS) and a secondary synchronization signal (SSS) in the first downlink component carrier. The terminal acquires the synchronization for a second downlink component carrier by detecting a reference signal in the second downlink component carrier.
    Type: Application
    Filed: June 21, 2010
    Publication date: April 26, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: So Yeon Kim, Han Gyu Cho, Jae Hoon Chung, Sung Ho Moon, Seung Hee Han, Yeong Hyeon Kwon
  • Publication number: 20120099520
    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: Application
    Filed: July 1, 2010
    Publication date: April 26, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Yeong Hyeon Kwon, Kyu Jin Park, Sung Ho Moon, Seung Hee Han, Jae Hoon Chung