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).

  • POWER-SAVING METHOD IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20120201182
    Abstract: The present invention relates to a power-saving method in a wireless communication system. In a power-saving method for a terminal of a wireless communication system according to one aspect of the present invention, the terminal receives configuration information relating to power-saving from a base station and operates in a power-down mode in which receive processing is not carried out in accordance with the configuration information relating to power saving; and the configuration information comprises at least one or other of information relating to a time point at which the base station is not transmitting packets to the terminal and a time point at which the base station is transmitting packets to the terminal.
    Type: Application
    Filed: June 23, 2010
    Publication date: August 9, 2012
    Applicant: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Han Gyu Cho, Sung Ho Moon, Kyu Jin Park, Seung Hee Han, Jae Hoon Chung
  • Method of communication using frame
    Patent number: 8238300
    Abstract: A device and method for communicating by a mobile communication terminal in communication with a base station. The method according to an embodiment includes exchanging a frame of data with the base station. The frame of data includes a) a plurality of first subframes each having a first number of orthogonal frequency division multiple access (OFDMA) symbols, and b) a plurality of second subframes each having a second number of orthogonal frequency division multiple access (OFDMA) symbols different from the first number.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: August 7, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sungho Moon, Minseok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Dong Cheol Kim, Seung Hee Han, Hyun Woo Lee
  • Method of generating random access preambles in wireless communication system
    Patent number: 8234325
    Abstract: A method of generating random access preambles includes receiving information on a source logical index and generating random access preambles in the order of increasing cyclic shift from root ZC sequences with the consecutive logical indexes from the beginning of the source logical index until a predetermined number of the random access preambles are found, wherein the consecutive logical indexes are mapped to root indexes of the root ZC sequences.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: July 31, 2012
    Assignee: LG Electronics Inc.
    Inventors: Hyun Woo Lee, Seung Hee Han, Min Seok Noh, Jin Sam Kwak, Dragan Vujcic, Dong Cheol Kim, Yeong Hyeon Kwon
  • METHOD AND DEVICE FOR SENDING AND RECEIVING CONTROL DATA ON A WIRELESS COMMUNICATIONS SYSTEM
    Publication number: 20120188959
    Abstract: The present invention relates to a method and device for sending and receiving control data on a wireless communications system employing an aggregated carrier arrangement. In a method for transmitting control data on a wireless communications system supporting carrier aggregation according to one aspect of the present invention, a base station transmits, to a mobile station, information relating to physical cell ID (physical cell identification, hereinafter “PCI”) for use in uplink signal transmission, and receives an uplink signal generated from the mobile station using the PCI.
    Type: Application
    Filed: July 9, 2010
    Publication date: July 26, 2012
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong-Hyeon Kwon, Seung Hee Han
  • CONTROL INFORMATION TRANSMISSION AND RECEIVING METHOD FOR GROUP COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20120190394
    Abstract: The present invention relates to a method for transmitting and receiving control information for group communications in a wireless communication system. According to one aspect of the present invention, a control information transmission method for group communication in a wireless communication system comprises the steps of, a base station: receiving a group communication request from one or more terminals; determining a plurality of terminals which will perform the group communication; allocating resources which are to be used for performing the group communication; and transmitting information on the plurality of terminals and resource allocation information on the resources which are to be used, to the one or more terminals among the plurality of terminals.
    Type: Application
    Filed: June 15, 2010
    Publication date: July 26, 2012
    Inventors: Yeong Hyeon Kwon, Han Gyu Cho, Jin Sam Kwak, Jae Hoon Chung, Sung Ho Moon
  • Sequence generation and transmission method based on time and frequency domain transmission unit
    Patent number: 8228782
    Abstract: A method for generating/transmitting a transmission-unit symbol sequence is disclosed. In the case of transmission information, the information is modulated in time and frequency domains on the basis of a predetermined transmission unit (e.g., a transmission time interval TTI or slot), simultaneous transmission of the information is made, and then a transmission unit symbol is generated/transmitted. A transmission sequence is masked in each symbol contained in one transmission unit. Symbol-unit circular shift (cyclic shift) is applied to the masked result, so that transmission efficiency increases. A control signal transmission method for supporting a variety of formats and a signal transmission method based on a prime-length sequence are also provided.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: July 24, 2012
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jin Sam Kwak
  • METHOD AND APPARATUS FOR TRANSCEIVING DATA IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20120182959
    Abstract: The present invention relates to a method and apparatus for transceiving data in a wireless communication system. A method for receiving data in a wireless communication system according to one aspect of the present invention is configured such that a base station receives, from a mobile station, a signal including information and data on the transmission mode which the mobile station has selected in accordance with a channel status, and decodes the data in accordance with the transmission mode.
    Type: Application
    Filed: June 18, 2010
    Publication date: July 19, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Yeong Hyeon Kwon, Dragan Vujcic, Sung Ho Moon, Seung Hee Han, Jae Hoon Chung
  • Method of communication using frame
    Patent number: 8223857
    Abstract: A device and method for communicating by a mobile communication terminal in communication with a base station. The method according to an embodiment includes exchanging a frame of data with the base station. The frame of data includes a) a plurality of first subframes each having a first number of orthogonal frequency division multiple access (OFDMA) symbols, and b) a plurality of second subframes each having a second number of orthogonal frequency division multiple access (OFDMA) symbols different from the first number. One of the second subframes includes an idle symbol.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: July 17, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sungho Moon, Minseok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Dong Cheol Kim, Seung Hee Han, Hyun Woo Lee
  • REPEATER FOR RECEIVING SIGNALS FROM A BASE STATION IN A WIRELESS COMMUNICATION SYSTEM, AND SIGNAL RECEIVING METHOD
    Publication number: 20120178360
    Abstract: Disclosed are a repeater for receiving signals from a base station in a wireless communication system, and a signal receiving method. The base station reports, to each repeater, information on the aggregation level of a relay-control channel element (R-CCE) of a relay-physical downlink control channel (R-PDCCH) via an explicit signaling method or implicit signaling method. In the event the base station reports via an explicit signaling method, the repeater receives, from the base station, information on the aggregation level of R-CCE which is a transmission unit of R-PDCCH, wherein the information contains control information for the repeater. Then, the repeater decodes an R-PDCCH region on an R-CCE aggregation level basis in accordance with the received R-CCE aggregation level information.
    Type: Application
    Filed: September 17, 2010
    Publication date: July 12, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyu Jin Park, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung
  • Method of transmitting data in a mobile communication system
    Patent number: 8218481
    Abstract: Disclosed is a data transmission method in a mobile communication system. The data transmission method through a code sequence in a mobile communication system includes grouping input data streams into a plurality of blocks consisting of at least one bit so as to map each block to a corresponding signature sequence, multiplying a signature sequence stream, to which the plurality of blocks are mapped, by a specific code sequence, and transmitting the signature sequence stream multiplied by the specific code sequence to a receiver.
    Type: Grant
    Filed: June 8, 2007
    Date of Patent: July 10, 2012
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Hyun Hwa Park, Dong Cheol Kim, Hyun Woo Lee, Min Seok Noh
  • METHOD OF PERFORMING CELL SEARCH IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20120170520
    Abstract: A method of performing cell search includes receiving a primary synchronization signal (PSS) comprising a primary synchronization code (PSC) and receiving a secondary synchronization signal (SSS) comprising a first secondary synchronization code (SSC) and a second SSC, wherein the SSS includes a first SSS and a second SSS, the first SSC and the second SSC are arranged in that order in the first SSS, and the second SSC and the first SSC are arranged in that order in the second SSS. Detection performance on synchronization signals can be improved, and cell search can be performed more reliably.
    Type: Application
    Filed: March 7, 2012
    Publication date: July 5, 2012
    Inventors: Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jin Sam Kwak
  • SEQUENCE GENERATING METHOD FOR EFFICIENT DETECTION AND METHOD FOR TRANSMITTING AND RECEIVING SIGNALS USING THE SAME
    Publication number: 20120163348
    Abstract: A sequence generation method for allowing a reception end to effectively detect a sequence used for a specific channel of an OFDM communication system, and a signal transmission/reception method using the same are disclosed. During the sequence generation, an index is selected from among the index set having the conjugate symmetry property between indexes, and a specific part corresponding to the frequency “0” is omitted from a transmitted signal. In addition, a reception end can calculate a cross-correlation value between a received (Rx) signal and each sequence using only one cross-correlation calculation based on the conjugate symmetry property.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hee HAN, Min Seok NOH, Yeong Hyeon KWON, Hyun Woo LEE, Dong Cheol KIM, Jin Sam KWAK
  • Measurement Reporting Method And Device In A Wireless Communication System
    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
  • METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL IN TIME DIVISION DUPLEX SYSTEM
    Publication number: 20120155338
    Abstract: A method and apparatus of transmitting a reference signal in a time division duplex (TDD) system is provided. A base station (BS) generates a plurality of demodulation reference signals (DMRSs) for respective layers, maps the plurality of DMRSs to a downlink pilot time slot (DwPTS) region for downlink transmission within a special subframe; and transmits the plurality of DMRSs through a plurality of antennas. The special subframe is a subframe for separating uplink and downlink between an uplink (UL) subframe and a downlink (DL) subframe within a frame.
    Type: Application
    Filed: September 13, 2010
    Publication date: June 21, 2012
    Inventors: Min Seok Noh, Jae Hoon Chung, Han Gyu Cho, Yeong Hyeon Kwon
  • METHOD FOR ALLOCATING PILOTS
    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
  • RELAY BACKHAUL RESOURCE ALLOCATION
    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
  • METHOD OF SEARCHING CODE SEQUENCE IN MOBILE COMMUNICATION SYSTEM
    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
  • METHOD FOR SETTING CYCLIC SHIFT CONSIDERING FREQUENCY OFFSET
    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
  • Method for transmitting and receiving signals using multi-band radio frequencies
    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
  • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING CONTROL CHANNEL FOR RELAY BACKHAUL LINK IN WIRELESS COMMUNICATION SYSTEM
    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