Patents by Inventor Jin-Soo Choi

Jin-Soo Choi 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: 8358619
    Abstract: A method for transmitting signal, at a mobile station, in a wireless communication system is provided. Inter-cell interference information may be different for each frequency partition according to using a FFR scheme. Also, a parameter for controlling interference level between base stations may be different for each frequency partition. The present invention is advantageous in that, when uplink transmission is performed, system throughput and cell edge-user throughput are improved and inter-cell interference level control is efficiently performed.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: January 22, 2013
    Assignee: LG Electronics Inc.
    Inventors: Han Gyu Cho, Jin Soo Choi, Jong Young Han, Jin Sam Kwak, Wook Bong Lee, Dong Cheol Kim
  • Patent number: 8358605
    Abstract: A method of transmitting and receiving a channel quality indicator (CQI) for a sleep-mode mobile station is disclosed. When data to be transmitted to the mobile station is present, the mobile station which is in a sleep mode is directed to transition to a normal mode and simultaneously a temporary CQI channel is allocated thereto. Thus the mobile station which has transitioned to the normal mode from the sleep mode efficiently transmits the CQI, and data applying a proper modulation and coding scheme can be transmitted.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: January 22, 2013
    Assignee: LG Electronics Inc.
    Inventors: Ae Ran Youn, Jin Young Chun, Jin Soo Choi
  • Patent number: 8355374
    Abstract: A method for transmitting system configuration information about uplink multiplexing of a 16m mobile station (MS) and a 16e MS is disclosed. The method comprises transmitting the system configuration information every super frame comprised of a plurality of radio frames. The system configuration information comprises an uplink configuration of time division multiplexing (TDM) and frequency division multiplexing (FDM) of the 16m MS and the 16m MS for each of the plurality of radio frames.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: January 15, 2013
    Assignee: LG Electronics Inc.
    Inventors: Han Gyu Cho, Jin Soo Choi, Jin Sam Kwak
  • Patent number: 8351320
    Abstract: A method and apparatus for transmitting a pilot in a wireless communication system is provided. A pilot generating unit generates the pilot. A transmission circuitry transmits the pilot and a radio signal. A a processor assigns a first index and a second index to each of a plurality of pilot patterns, determines a selection pilot pattern having a first selection index and a second selection index calculated based on a cell ID, which are respectively identical with the first index and the second index, from among the plurality of pilot patterns, and maps the generated pilot to a resource element based on the selection pilot pattern.
    Type: Grant
    Filed: June 22, 2010
    Date of Patent: January 8, 2013
    Assignee: LG Electronics Inc.
    Inventors: Han Gyu Cho, Wook Bong Lee, Jin Soo Choi
  • Patent number: 8340201
    Abstract: A method of allocating pilot subcarriers in a resource block for a wideband wireless mobile communication system with multiple transmission antennas using orthogonal frequency division multiplexing (OFDM) modulation is disclosed. In this method, pilot subcarriers are allocated to the resource block comprised of five (5) or seven (7) OFDM symbols so that only four (4) OFDM symbols of the resource block are allocated for pilot subcarriers.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: December 25, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin Soo Choi, Jin Sam Kwak, Bin Chul Ihm, Wook Bong Lee
  • Patent number: 8340032
    Abstract: A method of transmitting data in a wireless communication system is disclosed. More specifically, the method includes receiving a first group index and a second group index, wherein the first group index represents indices of a group having channel power below a specified threshold value and the second index group index represents indices of a group having channel power greater than or equal to the specified threshold value, and transmitting the data after swapping mapping locations of the first group index and the second group index.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: December 25, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin Soo Choi, Min Seok Oh, Hyung Ho Park, Sung Ho Moon, Jae Hoon Chung, Doo Hyun Sung
  • Patent number: 8339933
    Abstract: A method for transmitting an uplink pilot signal in a wireless communication system is disclosed. The method for transmitting an uplink pilot signal in a wireless communication system includes forming a basic unit including a plurality of pilot Resource Elements (REs) and data REs and having a size of 4 subcarriersĂ—9 Orthogonal Frequency Division Multiple Access (OFDMA) symbols, setting the plurality of pilot REs in the basic unit, and transmitting the basic unit to a base station. Each of the REs is time-frequency resource defined by one symbol index and one subcarrier index.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: December 25, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin-Soo Choi, Han-Gyu Cho, Jin-Sam Kwak, Min-Seok Noh, Sung-Ho Moon
  • Publication number: 20120320845
    Abstract: In the present invention, an uplink synchronization signal for measuring a location of a user device is assigned to a predetermined uplink sub-frame and a predetermined sub-band and is transmitted to one or adjacent cells as well as a serving cell in a predetermined period. Since the synchronization signal for measuring the location is transmitted to a plurality of cells through the same wireless resource, other date are not transmitted to the same wireless resource and a near-far effect can be reduced in each cell.
    Type: Application
    Filed: January 13, 2011
    Publication date: December 20, 2012
    Inventors: Jin Soo Choi, Han Gyu Cho, Jin Sam Kwak
  • Patent number: 8331968
    Abstract: An antenna switching method in a wireless access system is disclosed. A method of transmitting antenna information according to one embodiment of the present invention includes the steps of receiving an uplink request message for closed-loop antenna switching from a mobile station, transmitting a reference field including prescribed modulation and coding scheme (MCS) information to the mobile station, and transmitting a differential field including the antenna information to the mobile station. In this case, the antenna information can contain a selected antenna index.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: December 11, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin Soo Choi, Jae Hoon Chung
  • Publication number: 20120300719
    Abstract: A method for configuring subchannels for an uplink data transmission at a base station in a wireless communication system is disclosed herein. More specifically, the method includes the steps of dividing an uplink transmission resource to PUSC (Partial Usage of SubChannel) tiles of 4 subcarriersĂ—3 symbols, configuring subchannels to 6 PUSC tiles based on a predetermined rule; allocating a predetermined number of contiguous subchannels among the configured subchannels as subchannels for a legacy system, and allocating the remaining subchannels as subchannels for the wireless communication system, wherein a subchannel rotation per slot consisting of 3 symbols is applied to the subchannels for the legacy system, and wherein the subchannel rotation per slot is based on a number of subchannels for the legacy system.
    Type: Application
    Filed: January 25, 2011
    Publication date: November 29, 2012
    Inventors: Jin Soo Choi, Han Gyu Cho, Jin Sam Kwak, Jin Young Chun
  • Publication number: 20120294247
    Abstract: A method for transmitting or receiving an uplink signal is disclosed. If a user equipment is connected to a base station in accordance with a legacy system support mode, it performs permutation for an uplink signal on a frequency axis in accordance with a first rule. If the user equipment is connected to the base station in accordance with a legacy system non-support mode, it performs permutation for the uplink signal on the frequency axis in accordance with a second rule. Cell ID corresponding to a secondary advanced preamble (SA-preamble) received from the base station is used for permutation based on the first rule and/or the second rule.
    Type: Application
    Filed: December 17, 2010
    Publication date: November 22, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Jin Soo Choi, Han Gyu Cho, Jin Sam Kwak
  • Publication number: 20120294221
    Abstract: The present invention relates to a method and apparatus for signaling, to user equipment, the number and position of frequency resources allocated to each of the plurality of E-MBS zones, using a zone allocation bitmap including bits corresponding to the number of resources allocated for one or more E-MBS zones. The method and apparatus of the present invention are advantageous in that signaling overheads required for specifying the number and position of frequency resources allocated to each of E-MBS zones can be reduced.
    Type: Application
    Filed: January 3, 2011
    Publication date: November 22, 2012
    Inventors: Jin Soo Choi, Han Gyu Cho, Jin Sam Kwak
  • Publication number: 20120287249
    Abstract: An apparatus of obtaining depth information is provided which includes a first sensor configured to obtain a first image, a second sensor configured to obtain a second image, an image information obtaining unit configured to obtain image information based on the first image and the second image, and a depth information obtaining unit configured to obtain depth information based on the image information, wherein the first sensor and the second sensor differ in type from each other.
    Type: Application
    Filed: May 14, 2012
    Publication date: November 15, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyon Gon CHOO, Jin Woong KIM, Jin Soo CHOI, Sung Hoon KIM
  • Patent number: 8311139
    Abstract: A method for allocating pilot subcarriers in a resource block for a wideband wireless mobile communication system using an orthogonal frequency division multiplexing (OFDMA) modulation is discussed. In this method, pilot subcarriers are allocated in the resource block so that a group of consecutive data subcarriers separated from adjacent other group of consecutive data subcarriers by the pilot subcarriers has even number of subcarriers within an OFDMA symbol.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: November 13, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin Soo Choi, Han Gyu Cho, Bin Chul Ihm, Wook Bong Lee
  • Patent number: 8305978
    Abstract: Methods of allocating data to a plurality of subcarriers in a wireless communication system are disclosed. More specifically, one of the methods includes receiving feedback information from a receiver, calculating a level of mobility of the receiver using the feedback information, determining a resource allocation scheme to use based on the calculated level of mobility, and allocating the data to the plurality of subcarriers based on the determined resource allocation scheme.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: November 6, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin Soo Choi, Min Seok Oh, Hyung Ho Park, Sung Ho Moon, Jae Hoon Chung, Doo Hyun Sung
  • Publication number: 20120275513
    Abstract: Disclosed are a video encoding/decoding method and device. The video encoding method may comprise the steps of: establishing an adaptive filter corresponding to the current image; comparing the adaptive filter established in this way with at least one existing adaptive filter contained in a filter list; establishing whether to add the adaptive filter established in the way described to the adaptive filter list, based on the results of the comparison; and encoding the current image by using an adaptive filter contained in the filter list. In this way, encoding efficiency can be improved.
    Type: Application
    Filed: December 17, 2010
    Publication date: November 1, 2012
    Applicant: Electronics and Telecommunications Research Instit
    Inventors: Se Yoon Jeong, Hui Yong Kim, Hae Chul Choi, Sung Chang Lim, Ha Hyun Lee, Jin Ho Lee, Suk Hee Cho, Jong Ho Kim, Jin Soo Choi, Jin Woong Kim, Jin Woo Hong
  • Publication number: 20120275370
    Abstract: Provided are a method and apparatus for allocating resources for enhanced multicast broadcast service (E-MBS) data in a wireless communication system. A base station divides a frequency region into at least one frequency partition and allocates subbands of KSB,E-MBS number as the resources for the E-MBS data in the frequency partition. One sub-band includes sub-band logical resource units (SLRUs) of N1 number and the SLRUs of N1 number have continuous indexes among a plurality of physical resource units (PRUs) included in the frequency partition and are the PRUs to be allocated to contiguous resource units (CRUs).
    Type: Application
    Filed: January 11, 2011
    Publication date: November 1, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Han Gyu Cho, Jin Soo Choi, Dong Cheol Kim
  • Patent number: 8295238
    Abstract: A method for transmitting control messages is disclosed. The method includes grouping a plurality of control messages for at least one user equipment based on at least one criteria of whether or not uplink ACK/NACK channel indexes are allowed to be implicitly used in the control messages, whether or not the user equipment corresponding to the control messages is able to implicitly use the uplink ACK/NACK channel indexes, sizes of Information Elements (IEs) of the control messages, whether or not the control messages are segmented into a predetermined number of subblocks, MCS levels applied to the control messages, sizes of allocated IEs of the control messages after applying the MCS levels, and frequency partitions in which the IEs of the control messages are present, and transmitting the grouped control messages. The control messages included in each of the groups generated by grouping are equal in at said least one criteria.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: October 23, 2012
    Assignee: LG Electronics Inc.
    Inventors: Su Nam Kim, Ki Seon Ryu, Jin Soo Choi, Bin Chul Ihm, Jeong Ki Kim
  • Publication number: 20120263229
    Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.
    Type: Application
    Filed: December 16, 2010
    Publication date: October 18, 2012
    Applicant: Electronics and Telecommunications Research Instit
    Inventors: Sung Chang Lim, Jong Ho Kim, Hae Chul Choi, Hui Yong Kim, Ha Hyun Lee, Jin Ho Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woo Hong, Jin Woong Kim
  • Publication number: 20120257015
    Abstract: Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image.
    Type: Application
    Filed: November 23, 2010
    Publication date: October 11, 2012
    Applicant: Electronics and Telecommunication Research Institute
    Inventors: Sung-Hoon Kim, Chung Hyun Ahn, Sukhee Cho, Jin Woong Kim, Jin Soo Choi, Jin Woo Hong