Patents by Inventor Yeong Hyeon Kwon

Yeong 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: 20110183609
    Abstract: Method for generating reference signal sequence using grouping is explained. In this method, base sequences are grouped such that each group contains at least one base sequence of each length, so UE(s) can use various length sequences as a reference signal. And in this method, inter cell interference caused by using various length sequence as a reference signal sequence can be minimized by grouping sequences having the high cross correlation relation.
    Type: Application
    Filed: April 11, 2011
    Publication date: July 28, 2011
    Inventors: Min Seok NOH, Seung Hee Han, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jin Sam Kwak
  • Publication number: 20110176502
    Abstract: The present invention relates to a method for generating an uplink reference signal in a system supporting plural uplink-access transmission modes. The method comprises: a step for transmitting the reference signal configuration information about the configuration of a reference signal from a base station to a user device through an uplink grant PDCCH (Physical Downlink Control Channel), and a step for receiving from the user device a sub-frame including the reference signal that is generated based on the reference signal configuration information. The reference signal configuration information is prepared for plural uplink access transmission modes and includes a cyclic shift value for the sequence of the reference signal. The reference signal is supposed to be transmitted to an uplink, and the user device is set up to be operated in the uplink-access transmission mode that corresponding to the reference signal configuration information.
    Type: Application
    Filed: July 22, 2009
    Publication date: July 21, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Jae Hoon Chung, So Yeon Kim, Yeong Hyeon Kwon, Hyun Soo Ko, Seung Hee Han, Moon II Lee
  • Publication number: 20110170489
    Abstract: A method and an apparatus of transmitting information in a wireless communication system are provided. The method includes transmitting information based on a first resource index through a first antenna and transmitting the information based on a second resource index through a second antenna.
    Type: Application
    Filed: August 11, 2009
    Publication date: July 14, 2011
    Inventors: Seung Hee Han, Moon Lee, II, Yeong Hyeon Kwon, Jin Sam Kwak, Hyun Woo Lee, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Min Seok Noh, Hynn Soo Ko
  • Publication number: 20110164547
    Abstract: Provided are a method and an apparatus for transmitting multicast broadcast service (MBS) data in a wireless communication system using fractional frequency reuse (FFR). The method comprises: allocating, to a common network zone, part or whole of a frequency partition where FRF (frequency reuse factor) is 1, from among a plurality of frequency partitions; and transmitting MBS data in the common network zone.
    Type: Application
    Filed: October 15, 2009
    Publication date: July 7, 2011
    Inventors: Dong Cheol Kim, Yeong Hyeon Kwon, Jin Sam Kwak, Sung Ho Moon, Seung Hee Han
  • Publication number: 20110164548
    Abstract: A data transmission method and apparatus in a wireless communication system is provided. The data transmission method include dividing a multicast broadcast single frequency network (MBSFN) zone including a plurality of cells into at least one sub-zone including at least one cell, enabling a plurality of cells belonging to the MBSFN zone to transmit first multicast broadcast service (MBS) data, and enabling the cell belonging to the at least one sub-zone to transmit sub-zone data superposed with the first MBS data, wherein the sub-zone data is second MBS data.
    Type: Application
    Filed: October 14, 2009
    Publication date: July 7, 2011
    Inventors: Dong Cheol Kim, Min Seok Noh, Jin Sam Kwak, Seung Hee Han, Yeong Hyeon Kwon
  • Publication number: 20110142076
    Abstract: A data transmission method using a space time block code (STBC) scheme is provided. The method includes generating a modulation symbol by performing coding and constellation mapping on an information bit, generating a frequency-domain symbol by performing discrete Fourier transform (DFT) on the modulation symbol, generating a single carrier-frequency division multiple access (SC-FDMA) symbol by performing inverse fast Fourier transform (IFFT) after mapping the frequency-domain symbol to a subcarrier, and transmitting the SC-FDMA symbol on a slot basis.
    Type: Application
    Filed: June 5, 2009
    Publication date: June 16, 2011
    Inventors: Hyun Soo Ko, Moon Lee, II, Jea Hoon Chung, Seung Hee Han, Yeong Hyeon Kwon
  • Publication number: 20110143744
    Abstract: A method for generating an iterative sequence and a signal transmission method using the same are disclosed. As the cell size or the distance between a user equipment (UE) and a Node-B increases, the CP is repeated at least one time while the iterative sequence is generated, the CP length and the ZCZ length are adjusted, so that the sequence timing point can be easily detected, orthogonality between sequences is maintained, and the sequences can be clearly distinguished from each other.
    Type: Application
    Filed: January 10, 2011
    Publication date: June 16, 2011
    Inventors: Min Seok NOH, Seung Hee Han, Yeong Hyeon Kwon, Hyun Hwa Park, Hyun Woo Lee, Dong Cheol Kim
  • Publication number: 20110142000
    Abstract: The present invention provides a method and an apparatus for the transmission of control signal in a radio communication system. The method includes the steps of processing first control information on the basis of a first resource index to create a first control signal, processing second control information on the basis of a second resource index to create a second control signal, and transmitting the first control signal and the second control signal.
    Type: Application
    Filed: August 11, 2009
    Publication date: June 16, 2011
    Inventors: Seung Hee Han, Moon Il Lee, Yeong Hyeon Kwon, Hyun Soo Ko, Ja Ho Koo, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Jin Sam Kwak, Min Seok Noh, Hyun Woo Lee
  • Publication number: 20110134747
    Abstract: A method for uplink transmitting control information from a user equipment in a wireless communication system comprises selecting a specific point among a plurality of points distributed into a symbol space, corresponding to control information, the symbol space including a modulation dimension and a sequence dimension; mapping a signal corresponding to the specific point with a control channel including single carrier-frequency division multiple access (SC-FDMA) symbols; and transmitting the control channel. Preferably, the specific point belongs to the sequence dimension.
    Type: Application
    Filed: August 11, 2009
    Publication date: June 9, 2011
    Inventors: Yeong Hyeon Kwon, Min Seok Noh, Jin Sam Kwak, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee, Moon Il Lee
  • Publication number: 20110134759
    Abstract: A method and apparatus for uplink power control performed by a mobile station (MS) in a wireless communication system is provided. The method includes dividing a frequency band for uplink transmission into a plurality of frequency partitions, obtaining a path loss weight for each of the plurality of frequency partitions, and determining transmit power for each of the frequency partitions on the basis of the path loss weight. Overall system performance can be improved.
    Type: Application
    Filed: July 8, 2009
    Publication date: June 9, 2011
    Inventors: Dong Cheol Kim, Min Seok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee
  • Publication number: 20110134902
    Abstract: A data transmission method using spatial multiplexing is disclosed. The data transmission method using spatial multiplexing includes modulating at least one codeword to generate at least one modulation symbol, mapping the at least one modulation symbol to a layer whose number is determined according to its rank to generate a layer-mapped symbol stream, performing discrete Fourier transform (DFT) on the layer-mapped symbol stream to generate a frequency domain symbol stream, performing precoding on the frequency domain symbol stream, mapping the precoded frequency domain symbol stream to subcarriers, and then performing inverse fast Fourier transform (IFFT) on the precoded frequency domain symbol stream-mapped subcarriers to generate SC-FDMA symbols; and transmitting the SC-FDMA symbols by using a plurality of transmission antennas. Spatial multiplexing having a low PAPR can be possibly performed in an SC-FDMA system.
    Type: Application
    Filed: August 11, 2009
    Publication date: June 9, 2011
    Inventors: Hyun Soo Ko, Moon Il Lee, Jae Hoon Chung, Bin Chul Ihm, Yeong Hyeon Kwon
  • Publication number: 20110134968
    Abstract: The present invention relates to a method and an apparatus for information transmission in a radio communication system. The method includes the steps of creating a first symbol and a second symbol relevant to information, creating a first transmission vector and a second transmission vector on the basis of Alamouti code from the first symbol and the second symbol, and transmitting the first transmission vector via a first antenna and transmitting the second transmission vector via a second antenna.
    Type: Application
    Filed: August 11, 2009
    Publication date: June 9, 2011
    Inventors: Seung Hee Han, Moon Il Lee, Yeong-Hyeon Kwon, Hyun Soo Ko, Ja Ho Koo, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Jin Sam Kwak, Min Seok Noh, Hyun Woo Lee
  • Publication number: 20110128942
    Abstract: A method for transmitting uplink control information in a wireless communication system is disclosed. The method includes receiving one or more downlink component carriers among N downlink component carriers created by dividing a multi-carrier by an integer N, and transmitting control information about the received one or more downlink component carriers in one or more uplink component carriers among N uplink component carriers created by dividing a multi-carrier by the integer N, wherein the control information about the received one or more downlink component carriers is distributed equally or unequally to the one or more uplink component carriers and the control information includes at least one of a Channel Quality Information/Precoding Matrix Index (CQI/PMI), an ACKnowledgment/Negative ACKnowledgment (ACK/NACK), and a Rank Indication (RI).
    Type: Application
    Filed: August 3, 2009
    Publication date: June 2, 2011
    Inventors: Ki Hwan Kim, Hyun Soo Ko, Jae Hoon Chung, Yeong Hyeon Kwon
  • Publication number: 20110128916
    Abstract: The present invention relates to wireless communications system. More specifically, the present invention relates to a method in which a mobile station communicates with any desired node in a wireless communications system. This communications method comprises the steps of: transmitting upwards a first signal for searching for any desired node; receiving from the desired node a second signal indicating that a service can be provided to the mobile station, by way of response to the first signal; and carrying out a procedure for receiving the service from the desired node, wherein the desired node monitors the first signal in a sleep mode.
    Type: Application
    Filed: July 22, 2009
    Publication date: June 2, 2011
    Inventors: Yeong Hyeon Kwon, Min Seok Noh, Jin Sam Kwak, Dong Cheol Kim, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee
  • Patent number: 7953137
    Abstract: A method of generating a code sequence in a wireless communication system is disclosed. More specifically, the method includes recognizing a desired length of the code sequence, generating a code sequence having a length different from the desired length, and modifying the length of the generated code sequence to equal the desired length. Here, the step of modifying includes discarding at least one element of the generated code sequence or inserting at least one null element to the generated code sequence.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: May 31, 2011
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Hwa Park, Hyun Woo Lee, Dong Cheol Kim
  • Publication number: 20110126071
    Abstract: A method and an apparatus of transmitting information in a wireless communication system are provided. The method includes transmitting first information based on a first resource index through a first antenna and transmitting second information based on a second resource index through a second antenna.
    Type: Application
    Filed: August 11, 2009
    Publication date: May 26, 2011
    Inventors: Seung Hee Han, Moon Il Lee, Yeong Hyeon Kwon, Jin Sam Kwak, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Min Seok Noh, Hyun Woo Lee
  • Patent number: 7949033
    Abstract: Method for generating reference signal sequence using grouping is explained. In this method, base sequences are grouped such that each group contains at least one base sequence of each length, so UE(s) can use various length sequences as a reference signal. And in this method, inter cell interference caused by using various length sequence as a reference signal sequence can be minimized by grouping sequences having the high cross correlation relation.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: May 24, 2011
    Assignee: LG Electronics Inc.
    Inventors: Min Seok Noh, Seung Hee Han, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jin Sam Kwak
  • Publication number: 20110116408
    Abstract: A method for controlling uplink transmission power of a mobile station (MS) in a wireless communication system is provided. The method includes: obtaining a plurality of interference indicators indicating uplink interference from a base station (BS), wherein a full bandwidth is divided into a plurality of frequency partitions, and the plurality of interference indicators respectively correspond to the plurality of frequency partitions; determining an uplink transmission power level of a frequency partition corresponding to an interference indicator selected from the plurality of interference indicators on the basis of the selected interference indicator; and controlling the uplink transmission power on the basis of the uplink transmission power level. Accordingly, inter-cell interference can be reduced, and reliability of an MS located in a cell edge can be improved.
    Type: Application
    Filed: July 8, 2009
    Publication date: May 19, 2011
    Inventors: Dong Cheol Kim, Min Seok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee
  • Publication number: 20110117953
    Abstract: A method of controlling uplink power in a wireless communication system includes receiving a power control message including parameters for uplink power control from a base station, and controlling uplink power based on the power control message, wherein the uplink power is determined according to a target SINR (Signal to Interference plus Noise Ratio), the target SINR is determined by a minimum rate SINR required at the base station and a control factor for noise and interference. Transmission power of signal can be more accurately controlled and an influence of an inter-cell interference or a path loss can be reduced to thus improve quality of service of the wireless communication system.
    Type: Application
    Filed: July 8, 2009
    Publication date: May 19, 2011
    Inventors: Dong Cheol Kim, Min Seok Noh, Yeong Hyeon Kwon, Hin Sam Kwak, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee
  • Publication number: 20110110257
    Abstract: Provided is an uplink transmission power control method in a wireless communication system. Said method includes preferentially determining the transmission power of an uplink control channel, and determining the transmission power of an uplink data channel within the difference between the maximum transmittable power of a terminal and the transmission power of the uplink control channel, wherein the transmission of the uplink control signal through the uplink control channel and the transmission of the uplink data through the uplink data channel are performed at the same time using wireless resources different from one another. The present invention preferentially allocates the transmission power required for the transmission of an uplink control channel, and allocates residual power to an uplink data channel, thereby improving the effectiveness of power allocation when an uplink control signal and an uplink data signal are transmitted at the same time using physical resources different from one another.
    Type: Application
    Filed: July 8, 2009
    Publication date: May 12, 2011
    Inventors: Dong Cheol Kim, Min Seok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee