Patents by Inventor Ki Jun Kim

Ki Jun Kim 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).

  • Signal segmentation method and CRC attachment method for reducing undetected error
    Patent number: 10063347
    Abstract: The present invention provides for applying a cyclic redundancy check (CRC) to a data signal. The present invention includes attaching a first CRC to a first data signal block having a first length, segmenting the first data signal block attached with the first CRC into a plurality of second data signal blocks having a length shorter than the first length, respectively generating a second CRC for each second data signal block, and attaching the generated second CRC to the respective second data signal block. Moreover, the first CRC and second CRC may be generated from respectively different CRC generating polynomial equations.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: August 28, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongyoun Seo, Bong Hoe Kim, Young Woo Yun, Daewon Lee, Nam Yul Yu, Ki Jun Kim, Dongwook Roh
  • METHOD OF GENERATING CHANNEL QUALITY INDICATOR ADAPTIVELY IN DOWNLINK STATUS AND USER EQUIPMENT FOR THE SAME
    Publication number: 20180241534
    Abstract: A method for generating a channel quality indicator (CQI) in a mobile communication system is presented. The method includes grouping a number of subcarriers to form at least one channel quality indicator subband for generating a channel quality indicator, and generating a channel quality indicator in each channel quality indicator subband, wherein a size of each channel quality indicator subband is dependent on a system bandwidth value and is an integer multiple of a downlink frequency resource unit size, wherein the downlink frequency resource unit size is prescribed according to the system bandwidth value.
    Type: Application
    Filed: April 25, 2018
    Publication date: August 23, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Dong Wook ROH, Bong Hoe KIM, Joon Kui AHN, Yu Jin NOH, Dong Youn SEO, Ki Jun KIM
  • User equipment apparatus and method for feeding back channel state information in a wireless communication system
    Patent number: 10044485
    Abstract: A method and apparatus are described for transmitting a channel state information (CSI) reporting at a user equipment (UE) in a wireless communication system. A rank indicator (RI) and a first type precoding matrix indicator (PMI) are transmitted to a base station (BS) according to a first CSI feedback type. A second type PMI and a channel quality information (CQI) are transmitted to the BS according to a second CSI feedback type. The RI and the first type PMI are jointly coded, and transmitted through a physical uplink control channel (PUCCH). A reporting period of the first type PMI is longer than a reporting period of the second type PMI. The first type PMI is a wideband PMI, and the second type PMI is a subband PMI. The reporting period of the first type PMI is equal to a reporting period of the RI.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: August 7, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyung Tae Kim, Han Byul Seo, Ki Jun Kim, Dae Won Lee
  • Method of transmitting reference signal and transmitter using the same
    Patent number: 10044542
    Abstract: A method and device are provided for transmitting data in a wireless communication system. The device generates a scrambling sequence, scrambles the data with the scrambling sequence, maps the scrambled data to a radio resource, and transmits the mapped scrambled data. The scrambling sequence is generated based on 2N+1, where N denotes a cell identifier of a cell.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: August 7, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Jung Hoon Lee, Dae won Lee, Ki Jun Kim, Joon Kui Ahn
  • Method for generating reference signal sequence in multi-antenna wireless communication system and apparatus for same
    Patent number: 10038536
    Abstract: The present application discloses a method in which a base station transmits a reference signal sequence in a wireless communication system. In detail, the method comprises the steps of: generating a pseudo-random sequence using a first m-sequence and a second m-sequence; generating the reference signal sequence using the pseudo-random sequence; and transmitting the reference signal to a mobile station via antenna ports different from one another. The second m-sequence has an initial value containing parameters for discriminating reference signal sequences among users.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: July 31, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Bong Hoe Kim, Byeong Woo Kang, Dae Won Lee, Yu Jin Noh, Ki Jun Kim, Dong Wook Roh
  • METHOD OF RESOLVING OVERLAPS IN DATA TRANSMISSION AND USER EQUIPMENT THEREFOR
    Publication number: 20180206234
    Abstract: A method of a user equipment (UE) operating in a wireless communication system using orthogonal subcarriers, the method including generating, by the UE, Orthogonal Frequency Division Multiplexing (OFDM)-based symbols, wherein each OFDM-based symbol includes a cyclic prefix (CP) and a data part, transmitting, by the UE, a first subframe including N OFDM-based symbols, wherein N is an integer and transmitting, by the UE, a second subframe including N OFDM-based symbols, following the first subframe, wherein, when the first subframe and the second subframe are overlapped based on a timing adjustment command received from a base station, the first subframe is transmitted completely while the second subframe is transmitted partially without an overlapped part of the second subframe.
    Type: Application
    Filed: March 15, 2018
    Publication date: July 19, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Joon Kui AHN, Ki Jun KIM, Bin Chul IHM, Young Woo YUN
  • APPARATUS AND METHOD FOR TRANSMITTING UPLINK CONTROL INFORMATION
    Publication number: 20180160412
    Abstract: A wireless communication system is disclosed. A method and apparatus for allowing a user equipment (UE) to transmit uplink control information through a physical uplink shared channel (PUSCH) are disclosed.
    Type: Application
    Filed: February 1, 2018
    Publication date: June 7, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Ki Jun Kim, Han Byul Seo, Eun Sun Kim, Joon Kui Ahn, Hak Seong Kim
  • Method of generating channel quality indicator adaptively in downlink status and user equipment for the same
    Patent number: 9985769
    Abstract: A method for generating a channel quality indicator (CQI) in a mobile communication system is presented. The method includes grouping a number of subcarriers to form at least one channel quality indicator subband for generating a channel quality indicator, and generating a channel quality indicator in each channel quality indicator subband, wherein a size of each channel quality indicator subband is dependent on a system bandwidth value and is an integer multiple of a downlink frequency resource unit size, wherein the downlink frequency resource unit size is prescribed according to the system bandwidth value.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: May 29, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Wook Roh, Bong Hoe Kim, Joon Kui Ahn, Yu Jin Noh, Dong Youn Seo, Ki Jun Kim
  • Method for transmitting control signal using efficient multiplexing
    Patent number: 9967064
    Abstract: A method of transmitting a control signal using efficient multiplexing is disclosed. The present invention includes the steps of multiplexing a plurality of 1-bit control signals within a prescribed time-frequency domain by code division multiple access (CDMA) and transmitting the multiplexed control signals, wherein a plurality of the 1-hit control signals include a plurality of the 1-bit control signals for a specific transmitting side. Accordingly, reliability on 1-bit control signal transmission can be enhanced.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: May 8, 2018
    Assignee: LG Electronics Inc.
    Inventors: Hak Seong Kim, Sung Duk Choi, Ki Jun Kim, Suk Hyon Yoon, Joon Kui Ahn, Bong Hoe Kim, Dong Youn Seo, Young Woo Yun, Jung Hoon Lee, Seong Hoon Jeong
  • Method for transmitting and receiving a signal to protect against erroneous feedback information
    Patent number: 9967017
    Abstract: A method for providing precoding weights for data symbols of data control subframes includes generating a downlink frame having control subframes which individually correspond to one of a plurality of downlink data subframes, and inserting weight information into each of the control subframes, such that the weight information is to be applied to data symbols present in the corresponding one of the data subframes. The method further includes transmitting the control subframes and the inserted weight information to a receiving device.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: May 8, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Bong Hoe Kim, Young Woo Yun, Ki Jun Kim, Jung Hoon Lee, Eun Sun Kim, Hak Seong Kim, Suk Hyon Yoon, Joon Kui Ahn
  • AIR CONDITIONER
    Publication number: 20180119984
    Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.
    Type: Application
    Filed: September 29, 2017
    Publication date: May 3, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Ki CHO, Ki Jun KIM, Dae Dong KIM, Chang Heon LEE, Moon Sun SHIN, Young Lae JO
  • Radio access method for reduced PAPR
    Patent number: 9948438
    Abstract: A wireless communication system is disclosed. A method for performing a radio access in the wireless communication system includes dividing an available frequency band into a plurality of subbands, generating a plurality of frequency domain sequences from a plurality of data symbol sequences by independently performing a Fourier transform process in each of the subbands, independently mapping each of the frequency domain sequences to a corresponding subband, generating one or more transmission symbols by performing an inverse Fourier transform process on the plurality of frequency domain sequences mapped to the available frequency band, and transmitting the one or more transmission symbols to a receiver.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: April 17, 2018
    Assignee: LG Electronics Inc.
    Inventors: Joon Kui Ahn, Jung Hoon Lee, Dong Youn Seo, Ki Jun Kim
  • METHOD FOR ACQUIRING RESOURCE REGION INFORMATION FOR PHICH AND METHOD OF RECEIVING PDCCH
    Publication number: 20180103470
    Abstract: A method of acquiring information on a resource region for transmitting PHICH and a method of receiving PDCCH using the same are disclosed. The resource region for transmitting the PHICH can be specified by first information corresponding to the per-sub frame PHICH number and second information corresponding to a duration of the PHICH within the subframe. The first Information can be specified into a form resulting from multiplying a predetermined basic number by a specific constant. And, the specific constant can be transmitted via PBCH. Moreover, the second information can be acquired from the PBCH as well.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Joon Kui AHN, Bong Hoe KIM, Young Woo YUN, Ki Jun KIM, Jung Hoon LEE, Dae Won LEE, Dong Youn SEO, Dong Wook ROH, Suk Hyon YOON
  • METHOD FOR DETERMINING TRANSPORT BLOCK SIZE AND SIGNAL TRANSMISSION METHOD USING THE SAME
    Publication number: 20180098243
    Abstract: A method is provided for performing, by a first device, channel coding of data to be transmitted to a second device. The first device determines a size of a transport block for the data, attaches a first cyclic redundancy check (CRC) code to the transport block having the determined size to produce a first CRC-attached transport block, and segments the first CRC-attached transport block into multiple code blocks when a size of the first CRC-attached transport block is larger than a predetermined size. The size of the transport block is determined from among a plurality of predetermined transport block sizes, and the plurality of predetermined transport block sizes are predetermined such that all the multiple code blocks have a same size as each other.
    Type: Application
    Filed: October 6, 2017
    Publication date: April 5, 2018
    Applicant: LG Electronics Inc.
    Inventors: Bong Hoe KIM, Ki Jun KIM, Joon Kui AHN, Dong Youn SEO
  • OUTDOOR UNIT OF AIR CONDITIONER
    Publication number: 20180080681
    Abstract: An outdoor unit of an air conditioner includes a current carrying path formed between a control box and an outdoor heat exchanger, and electromagnetic noise generated in the control box is transmitted to the outdoor heat exchanger and efficiently discharged to air through the outdoor heat exchanger.
    Type: Application
    Filed: September 21, 2017
    Publication date: March 22, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Je Gu LEE, Kyeong Ae LEE, Yi Goo GONG, Kwon Jin KIM, Ki Jun KIM, Sung Jae KIM, Yeon-Seob YUN, Jong Min LEE, Chang-Woo JUNG
  • Apparatus and method for transmitting uplink control information
    Patent number: 9924507
    Abstract: A wireless communication system is disclosed. A method and apparatus for allowing a user equipment (UE) to transmit uplink control information through a physical uplink shared channel (PUSCH) are disclosed. A method for allowing a UE to transmit uplink control information through a PUSCH in a wireless communication system includes receiving configuration information about a plurality of PUSCH feedback modes, identifying information indicating a specific PUSCH feedback mode for the PUSCH by using uplink allocation information for the PUSCH, and transmitting the uplink control information through the PUSCH in accordance with the specific PUSCH feedback mode.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: March 20, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Ki Jun Kim, Han Byul Seo, Eun Sun Kim, Joon Kui Ahn, Hak Seong Kim
  • Rechargeable battery and manufacturing method of the same
    Patent number: 9905816
    Abstract: A rechargeable battery that may be manufactured and used in various shapes is disclosed. An embodiment of the rechargeable battery includes: an electrode assembly including a pair of electrodes on respective surfaces of a separator and a pair of lead tabs extending from the pair of electrodes; and a pouch receiving the electrode assembly and having the lead tabs protruding out to one side, each of the electrodes including a first bending part including a molded plate including active material particles and a metal fiber yarn of a current collector, and the pouch including a second bending part superimposed on the electrodes in parallel and including a molded sheet having a shape corresponding to that of the first bending part.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: February 27, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dong-Ho Son, Ki-Jun Kim
  • Resource allocation method and a method for transmitting/receiving resource allocation information in mobile communication system
    Patent number: 9900138
    Abstract: According to one embodiment, a user equipment for use in a mobile communication system is configured to: receive control information including a first field and a second field via a control channel, the first field indicating one of N (N>2) resource block group (RBG) sets and the second field including a bitmap, wherein each bit of the bitmap is used to indicate whether a corresponding resource block (RB) in the indicated one of the N RBG sets is allocated; interpret the first field and the second field for resource allocation in the control information; and receive data using the control information. An RBG set n (0<n<N) includes every Nth RBG starting from nth RBG, an RBG includes one or more consecutive RBs, and an RB includes a plurality of consecutive subcarriers.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: February 20, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Dae Won Lee, Young Woo Yun, Ki Jun Kim, Suk Hyon Yoon, Joon Kui Ahn, Dong Youn Seo, Eun Sun Kim
  • Method for signaling of resource allocation to adjust granularity in cellular multi-carrier system
    Patent number: 9900885
    Abstract: A method for receiving a downlink signal by an apparatus in a wireless mobile communication system, the method includes receiving common downlink control information including a resource indication value, RIV, wherein the RIV is mapped to a start index S and a length L of consecutive virtual resource blocks, VRBs; and receiving the downlink signal on the consecutive VRBs, wherein the start index, S, is an element of a first set {s: s=mG<?NVRB/G?·G} and the length, L, is an element of a second set {1:1=nG??NVRB/G?·G}, where m is an integer of 0 or higher, n is an integer of 1 or higher, NVRB is the number of VRBs in a downlink system bandwidth, and G is an integer of 2 or higher.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: February 20, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Jung Hoon Lee, Ki Jun Kim, Joon Kui Ahn
  • METHOD FOR RECEIVING ACK/NACK SIGNAL IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20180049172
    Abstract: A method for transmitting information of resources for use in transmission of ACK/NACK signals in a mobile communication system is disclosed. An example method for receiving ACK/NACK signals in a mobile communication system is also disclosed. When resources for transmission of data and resources for transmission of control information of the data are scheduled through virtual unit resources, the method identifies information of resources for receiving an ACK/NACK signal for transmission data mapped to information of at least one of a virtual unit resource allocated to the transmission data and a virtual unit resource allocated to control information of the transmission data, and receives the ACK/NACK signal for the transmission data through the information of resources for receiving the ACK/NACK signal.
    Type: Application
    Filed: October 26, 2017
    Publication date: February 15, 2018
    Inventors: Dae Won Lee, Bong Hoe Kim, Young Woo Yun, Ki Jun Kim, Dong Wook Roh, Suk Hyon Yoon, Joon Kui Ahn, Dong Youn Seo, Hak Seong Kim, Jung Hoon Lee, Eun Sun Kim, Sung Duk Choi