Patents by Inventor Bong-Hoe Kim

Bong-Hoe 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).

  • Publication number: 20200229220
    Abstract: A user equipment (UE) receives downlink data using resource blocks in a wireless mobile communication system. The UE receives downlink control information including resource allocation information and downlink data mapped to physical resource blocks (PRBs) based on the downlink control information. The resource allocation information indicates virtual resource block (VRB) allocations for the UE. Indexes of the PRBs to which the downlink data are mapped are determined based on a mapping relationship between virtual resource blocks (VRBs) and the PRBs. The mapping relationship is defined based on indexes of the VRBs which are mapped to the indexes of the PRBs for a first slot of a subframe and a second slot of the subframe. The indexes of the PRBs for the second slot are shifted with respect to the indexes of the PRBs for the first slot based on a predetermined gap. The mapping relationship includes a transformation of VRB indexes based on a matrix.
    Type: Application
    Filed: March 31, 2020
    Publication date: July 16, 2020
    Inventors: Dong Youn SEO, Eun Sun KIM, Bong Hoe KIM, Joon Kui AHN
  • Publication number: 20200204413
    Abstract: A method of transmitting a Physical Layer Convergence Procedure (PLCP) frame in a Very High Throughput (VHT) Wireless Local Area Network (WLAN) system includes generating a MAC Protocol Data Unit (MPDU) to be transmitted to a destination station (STA), generating a PLCP Protocol Data Unit (PPDU) by adding a PLCP header, including an L-SIG field containing control information for a legacy STA and a VHT-SIG field containing control information for a VHT STA, to the MPDU, and transmitting the PPDU to the destination STA. A constellation applied to some of Orthogonal Frequency Division Multiplex (OFDM) symbols of the VHT-SIG field is obtained by rotating a constellation applied to an OFDM symbol of the L-SIG field.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 25, 2020
    Inventors: Dae Won LEE, Dong Wook ROH, Byeong Woo KANG, Yong Ho SEOK, Yu Jin NOH, Bong Hoe KIM
  • Patent number: 10651985
    Abstract: According to one embodiment, a method for transmitting an uplink signal includes transmitting the uplink signal including a block of data symbols. The block of data symbols are mapped to at least two sets of subcarrier blocks. Each data symbol of the block of data symbols is mapped to one of subcarriers of the at least two sets of subcarrier blocks. The at least two sets of subcarrier blocks are not contiguous in frequency. The block of data symbols are mapped in sequence starting with a first data symbol to the at least two sets of subcarrier blocks and in increasing order of subcarrier index.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: May 12, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hak Seong Kim, Bong Hoe Kim, Dong Wook Roh, Joon Kui Ahn, Dong Youn Seo, Jung Hoon Lee
  • Patent number: 10631321
    Abstract: A user equipment (UE) receives downlink data using resource blocks in a wireless mobile communication system. The UE receives downlink control information including resource allocation information and downlink data mapped to physical resource blocks (PRBs) based on the downlink control information. The resource allocation information indicates virtual resource block (VRB) allocations for the UE. A resource block pair includes a first resource block associated with a first time slot and a second resource block associated with a second time slot adjacent to the first time slot. The first and second resource blocks are allocated to the same frequency indices. A mapping between VRB pairs and PRB pairs exists such that frequency consecutive VRB pairs are mapped to non-frequency consecutive PRB pairs and that each resource block pair is split so there is a frequency gap between the first and second parts of the resource block pair.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: April 21, 2020
    Assignee: Optis Cellular Technology, LLC
    Inventors: Dong Youn Seo, Eun Sun Kim, Bong Hoe Kim, Joon Kui Ahn
  • Patent number: 10624067
    Abstract: A method for adaptively allocating resources of an uplink control channel according to a system situation is disclosed. If a base station (BS) recognizes the system situation, establishes control information for resource allocation, and transmits the control information to a mobile station (MS), the mobile station (MS) allocates resources for transmitting uplink control information using a specific block or a specific resource distribution method according to the corresponding control information. The system situation may be changed according to the number of users contained in the BS's coverage or the usage of a multi-antenna. The variation of the system situation is actively reflected so that the uplink channel resources can be effectively used.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: April 14, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hak Seong Kim, Bong Hoe Kim, Ki jun Kim, Suk Hyon Yoon, In Jae Jung, Dae Won Lee, Joon Kui Ahn, Dong Youn Seo
  • Patent number: 10616874
    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: Grant
    Filed: October 26, 2017
    Date of Patent: April 7, 2020
    Assignee: LG Electronics Inc.
    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
  • Patent number: 10616021
    Abstract: A method of transmitting a Physical Layer Convergence Procedure (PLCP) frame in a Very High Throughput (VHT) Wireless Local Area Network (WLAN) system includes generating a MAC Protocol Data Unit (MPDU) to be transmitted to a destination station (STA), generating a PLCP Protocol Data Unit (PPDU) by adding a PLCP header, including an L-SIG field containing control information for a legacy STA and a VHT-SIG field containing control information for a VHT STA, to the MPDU, and transmitting the PPDU to the destination STA. A constellation applied to some of Orthogonal Frequency Division Multiplex (OFDM) symbols of the VHT-SIG field is obtained by rotating a constellation applied to an OFDM symbol of the L-SIG field.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: April 7, 2020
    Assignee: Wi-Fi One, LLC
    Inventors: Dae Won Lee, Dong Wook Roh, Byeong Woo Kang, Yong Ho Seok, Yu Jin Noh, Bong Hoe Kim
  • Publication number: 20200092878
    Abstract: Provided are a method for a terminal transmitting uplink control information (UCI) through a physical uplink control channel (PUCCH) in a wireless communication system, and a terminal using the method. A transmission power to be applied to the uplink control channel is determined on the basis of a value subordinate to a PUCCH format, and at least one type of UCI is transmitted from the physical uplink control channel by using the transmission power that is determined, wherein when the PUCCH format is PUCCH format 3, and the at least one type of UCI includes acknowledgement/negative-acknowledgement (ACK/NACK) and periodic channel state information (CSI), the value subordinate to the PUCCH format is determined on the basis of the number of bits of the ACK/NACK and the number of bits of the periodic CSI.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 19, 2020
    Applicant: BlackBerry Limited
    Inventors: Dong Youn SEO, Joon Kui AHN, Yun Jung YI, Suck Chel YANG, Bong Hoe KIM
  • Publication number: 20200015232
    Abstract: A method of allocating radio resources in a multi-carrier system is disclosed, by which a signaling message can be efficiently transmitted according to necessity of a user equipment. In a user equipment of a mobile communication system transceiving data using a plurality of subcarriers, the present invention includes the steps of if the signaling message to be transmitted is generated in the user equipment, generating a preamble sequence according to a user equipment identifier to identify the user equipment, transmitting a preamble signal including the preamble sequence and the signaling message to a base station, and receiving an acknowledgement signal for the preamble signal generated according to the user equipment identifier.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Inventors: Hak Seong Kim, Bong Hoe Kim, Joon Kui Ahn, Dong Youn Seo, Jung Hoon Lee, Young Woo Yun, Suk Hyon Yoon, Eun Sun Kim, Ki Jun Kim
  • Patent number: 10530543
    Abstract: A method of transmitting a training signal in a Wireless Local Area Network (WLAN) system includes generating one or more first training signals for a first destination station and one or more second training signals for a second destination station by applying a mapping matrix P to a training signal generation sequence, mapping the first training signals and the second training signals to a plurality of antennas according to an antenna mapping matrix, and performing Inverse Fast Fourier Transform (IFFT) on each of the first training signals and the second training signals mapped to the plurality of antennas and transmitting the training signals through the plurality of antennas.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: January 7, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Byeong Woo Kang, Dong Wook Roh, Yong Ho Seok, Yu Jin Noh, Bong Hoe Kim, Dae Won Lee
  • Patent number: 10492186
    Abstract: Provided are a method for a terminal transmitting uplink control information (UCI) through a physical uplink control channel (PUCCH) in a wireless communication system, and a terminal using the method. A transmission power to be applied to the uplink control channel is determined on the basis of a value subordinate to a PUCCH format, and at least one type of UCI is transmitted from the physical uplink control channel by using the transmission power that is determined, wherein when the PUCCH format is PUCCH format 3, and the at least one type of UCI includes acknowledgement/negative-acknowledgement (ACK/NACK) and periodic channel state information (CSI), the value subordinate to the PUCCH format is determined on the basis of the number of bits of the ACK/NACK and the number of bits of the periodic CSI.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: November 26, 2019
    Assignee: BlackBerry Limited
    Inventors: Dong Youn Seo, Joon Kui Ahn, Yun Jung Yi, Suck Chel Yang, Bong Hoe Kim
  • Patent number: 10462787
    Abstract: A method of allocating radio resources in a multi-carrier system is disclosed, by which a signaling message can be efficiently transmitted according to necessity of a user equipment. In a user equipment of a mobile communication system transceiving data using a plurality of subcarriers, the present invention includes the steps of if the signaling message to be transmitted is generated in the user equipment, generating a preamble sequence according to a user equipment identifier to identify the user equipment, transmitting a preamble signal including the preamble sequence and the signaling message to a base station, and receiving an acknowledgement signal for the preamble signal generated according to the user equipment identifier.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: October 29, 2019
    Assignee: WILD GUARD LTD.
    Inventors: Hak Seong Kim, Bong Hoe Kim, Joon Kui Ahn, Dong Youn Seo, Jung Hoon Lee, Young Woo Yun, Suk Hyon Yoon, Eun Sun Kim, Ki Jun Kim
  • Publication number: 20190319769
    Abstract: A method for transmitting uplink signals, which include ACK/NACK signals, control signals other than the ACK/NACK signals, and data signals, is disclosed. The method comprises serially multiplexing the control signals and the data signals; sequentially mapping the multiplexed signals within a specific resource region in accordance with a time-first mapping method, the specific resource region including a plurality of symbols and a plurality of virtual subcarriers; and arranging the ACK/NACK signals at both symbols near symbols to which a reference signal of the plurality of symbols is transmitted. Thus, the uplink signals can be transmitted to improve receiving reliability of signals having high priority.
    Type: Application
    Filed: June 26, 2019
    Publication date: October 17, 2019
    Inventors: Dae Won Lee, Bong Hoe KIM, Young Woo YUN, Ki Jun KIM, Dong Wook ROH, Hak Seong KIM, Hyun Wook PARK
  • Patent number: 10425858
    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: Grant
    Filed: October 6, 2017
    Date of Patent: September 24, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Bong Hoe Kim, Ki Jun Kim, Joon Kui Ahn, Dong Youn Seo
  • Patent number: 10405301
    Abstract: According to one embodiment, a method for a wireless local area includes: generating a medium access control (MAC) protocol data unit (MPDU) to be transmitted to a target station; generating a physical layer convergence procedure (PLCP) protocol data unit (PPDU) by attaching a PLCP preamble to the MPDU; selecting a transmission channel; and transmitting the PPDU to the target station over the transmission channel. Selecting the transmission channel includes: performing clear channel assessment (CCA) on a first channel to determine whether the first channel is idle; and only after it is determined that the first channel is idle, selecting the first channel and at least one idle second channel as the transmission channel. The PLCP preamble includes channel allocation information indicating a bandwidth of the transmission channel.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: September 3, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Yu Jin Noh, Dae Won Lee, Byeong Woo Kang, Bong Hoe Kim, Yong Ho Seok
  • Patent number: 10374775
    Abstract: A method for transmitting uplink signals, which include ACK/NACK signals, control signals other than the ACK/NACK signals, and data signals, is disclosed. The method comprises serially multiplexing the control signals and the data signals; sequentially mapping the multiplexed signals within a specific resource region in accordance with a time-first mapping method, the specific resource region including a plurality of symbols and a plurality of virtual subcarriers; and arranging the ACK/NACK signals at both symbols near symbols to which a reference signal of the plurality of symbols is transmitted. Thus, the uplink signals can be transmitted to improve receiving reliability of signals having high priority.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: August 6, 2019
    Assignee: Optis Cellular Technology, LLC
    Inventors: Dae Won Lee, Bong Hoe Kim, Young Woo Yun, Ki Jun Kim, Dong Wook Roh, Hak Seong Kim, Hyun Wook Park
  • Patent number: 10270571
    Abstract: A method of transmitting pilot signals in a system which performs communication using two or more earners comprises transmitting first pilots and second pilots from at least one user equipment to a base station, the first and second pilots, which are transmitted from the at least one user equipment, being multiplexed by code division multiplexing, and the first and second pilots, which are transmitted from a specific user equipment, having different transmission powers, and transmitting data from the at least one user equipment to the base station depending on the first pilots and the second pilots. Since many UEs can transmit CQ pilots, exact channel estimation can be performed and thus communication efficiency can be improved.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: April 23, 2019
    Assignee: LG Electronics Inc.
    Inventors: Young Woo Yun, Hak Seong Kim, Bong Hoe Kim, Joon Kui Ahn, Dong Youn Seo, Jung Hoon Lee, Ki Jun Kim, Suk Hyon Yoon, Eun Sun Kim
  • Patent number: 10263676
    Abstract: A method for indicating a combination between a codeword and a layer in a MIMO communication, system, a layer mapping method, and a data transmission method using the same are disclosed. A minimum number of codeword-layer mapping combinations from among all available combinations based on the’ numbers of all codewords and all layers are pre-defined in consideration of a ratio of a codeword to a layer, a reception performance of a receiver, and reduction of combinations, so that a data transmission method using the predefined combinations is implemented. If a specific one codeword is mapped to at least two layers, a diversity gain can be acquired.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: April 16, 2019
    Assignee: LG Electronics Inc.
    Inventors: Dong Wook Roh, Bong Hoe Kim, Young Woo Yun, Dong Youn Seo, Joon Kui Ahn, Ki Jun Kim
  • Patent number: 10244528
    Abstract: A method for efficiently scheduling virtual resource blocks to physical resource blocks is disclosed. In a wireless mobile communication system, for distributed mapping of consecutively allocated virtual resource blocks to physical resource blocks, when nulls are inserted into a block interleaver used for the mapping, they are uniformly distributed to ND divided groups of the block interleaver, which are equal in number to the number (ND) of physical resource blocks to which one virtual resource block is mapped.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: March 26, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Joon Kui Ahn, Yu Jin Noh, Jung Hoon Lee, Bong Hoe Kim
  • Publication number: 20190090260
    Abstract: A user equipment (UE) receives downlink data using resource blocks in a wireless mobile communication system. The UE receives downlink control information including resource allocation information and downlink data mapped to physical resource blocks (PRBs) based on the downlink control information. The resource allocation information indicates virtual resource block (VRB) allocations for the UE. A resource block pair includes a first resource block associated with a first time slot and a second resource block associated with a second time slot adjacent to the first time slot. The first and second resource blocks are allocated to the same frequency indices. A mapping between VRB pairs and PRB pairs exists such that frequency consecutive VRB pairs are mapped to non-frequency consecutive PRB pairs and that each resource block pair is split so there is a frequency gap between the first and second parts of the resource block pair.
    Type: Application
    Filed: September 17, 2018
    Publication date: March 21, 2019
    Inventors: Dong Youn SEO, Eun Sun KIM, Bong Hoe KIM, Joon Kui AHN