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).

  • Patent number: 10389566
    Abstract: Provided is a method and device for signal transmission having good PAPR/CM characteristics. With regard to one aspect of said method, the method for transmitting a reference signal in a wireless communication signal comprises a step wherein a reference signal sequence is generated, a step wherein said reference signal sequence is divided with respect to each of multiple sub-blocks, a step wherein each of said plurality of divided reference signal sequence is subject to circular shifting, and a step wherein said plurality of circular shifted reference signals are transmitted via said plurality of sub-blocks.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: August 20, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Hee Han, Jin Sam Kwak, Jae Hoon Chung, Min Seok Noh, Yeong Hyeon Kwon
  • Publication number: 20190253221
    Abstract: A method and apparatus for requesting uplink resources in a wireless communication system is provided. A user equipment determines whether a scheduling request for requesting uplink resources is triggered. If the scheduling request is triggered, the user equipment transmits a first set of frequency domain sequences and a second set of frequency domain sequences in a subframe.
    Type: Application
    Filed: April 23, 2019
    Publication date: August 15, 2019
    Inventors: Yeong Hyeon KWON, Seung Hee HAN, Hyun Woo LEE, Jae Hoon CHUNG, Jin Sam KWAK, Dong Cheol KIM, Min Seok NOH
  • Patent number: 10374854
    Abstract: An apparatus for receiving signals includes a receiver for receiving a time domain signal from a transmitter, wherein at least one first information bit is mapped, resulting in at least one first mapped symbol; at least one second information bit is mapped, resulting in at least one second mapped symbol; the at least one second mapped symbol is multiplied by at least one third information bit; and the time domain signal is generated from the at least one first mapped symbol and the at least one second mapped symbol.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: August 6, 2019
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Min Seok Noh, Young Woo Yun
  • Publication number: 20190223173
    Abstract: A method for monitoring a downlink control channel, is performed by a user equipment (UE) configured with multiple carriers and includes receiving information on carrier index, determining a plurality of UE-specific search spaces for monitoring the downlink control channel, and monitoring the downlink control channel within the plurality of UE-specific search spaces, wherein location of each of the plurality of the UE-specific search spaces is determined based on the carrier index.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 18, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: So Yeon KIM, Sung Ho MOON, Jae Hoon CHUNG, Yeong Hyeon KWON, Han Gyu CHO
  • Patent number: 10341037
    Abstract: A method and apparatus for transmitting or detecting primary synchronization signal. The receiver receives primary synchronization signal from a transmitter, and detects the sequence used in the received primary synchronization signal by using three root indexes. Here, the primary synchronization signal is generated by using a Zadoff-Chu sequence having one of the three root indexes. The three root indexes comprise a first index and a second index, and a sum of the first index and the second index corresponds to the length of the Zadoff-Chu sequence.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: July 2, 2019
    Assignee: Wild Guard Ltd.
    Inventors: Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jin Sam Kwak
  • Patent number: 10341997
    Abstract: Disclosed are a method and a device for transmitting uplink control information (UCI) by a terminal in a wireless communication system. The UCI transmission method comprises the steps of: generating an encoding information bit stream by performing channel coding for a UCI bit stream; generating complex modulation symbols by performing modulation for the generated encoding information bit stream; spreading the complex modulation symbols in block-wise on the basis of an orthogonal sequence; and transmitting the spread complex modulation symbols to a base station. The encoding information bit stream is generated by a channel coding for circularly repeating the UCI bit stream.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: July 2, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Hee Han, Ji Woong Jang, Jae Hoon Chung, Han Gyu Cho, Yeong Hyeon Kwon, Seung Hyun Kang
  • Publication number: 20190174443
    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: January 16, 2019
    Publication date: June 6, 2019
    Inventors: Seunghee HAN, Min Seok NOH, Yeong Hyeon KWON, Hyun Woo LEE, Dong Cheol KIM, Jin Sam KWAK
  • Patent number: 10313092
    Abstract: A method and wireless station for receiving signals. The wireless station receives, from a base station, a control signal on a first subframe indicated as a downlink (DL) subframe by a time division duplex (TDD) uplink-downlink (UL-DL) subframe configuration. The control signal includes first information indicating that at least one UL subframe indicated by the TDD UL-DL subframe configuration is reconfigured as a TDD DL subframe. The wireless station receives, from the base station, DL data on a second subframe which was indicated as a TDD UL subframe by the TDD UL-DL subframe configuration but is currently reconfigured as a TDD DL subframe by the control signal. The wireless station transmits, to the base station, UL data on a TDD UL subframe except for being reconfigured as the TDD DL subframe by the control signal.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: June 4, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Byoung Hoon Kim, Yeong Hyeon Kwon, Han Byul Seo, Jae Hoon Chung, Young Woo Yun, Dae Won Lee
  • Publication number: 20190158260
    Abstract: A method and a user equipment for transmitting control information in a communication system are discussed. The method according to an embodiment includes multiplying a transmission information symbol s for the control information by a frequency direction sequence c(k) to generate a first output sequence s(k), where s(k)=s*c(k), k=0, . . . , Nk?1, and Nk corresponds to a number of subcarriers included in a resource block allocated for an uplink control channel; multiplying the first output sequence s(k) by a time direction sequence x(n) to generate a second output sequence s(k, n), where s(k, n)=s(k)*x(n), n=0, . . . , Nn?1, and Nn corresponds to a number of symbols used for transmission of the control information in a transmission time interval; and transmitting the second output sequence s(k, n) through the uplink control channel in the transmission time interval.
    Type: Application
    Filed: January 18, 2019
    Publication date: May 23, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hee HAN, Min Seok NOH, Yeong Hyeon KWON, Hyun Woo LEE, Dong Cheol KIM, Jin Sam KWAK
  • Publication number: 20190158253
    Abstract: A method of generating Acknowledgement/Negative Acknowledgement (ACK/NACK) information by a user equipment (UE) in a wireless communication system is discussed. The method includes receiving, by the UE from a base station (BS), a plurality of codewords through a plurality of downlink frequency bands related to a plurality of downlink carriers, wherein the UE is configured with a 1-codeword mode or a 2-codeword mode for each of the plurality of downlink frequency bands independently, and wherein a number of supported codewords is one for the 1-codeword mode or two for the 2-codeword mode; determining, by the UE, a total number of ACK/NACK bits, wherein the total number of ACK/NACK bits is determined based on a total number of the plurality of downlink carriers and the number of supported codewords; and generating, by the UE, a sequence of the ACK/NACK bits based on the total number of the ACK/NACK bits.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 23, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Yeong Hyeon KWON, Jae Hoon CHUNG, Seung Hee HAN, So Yeon KIM
  • Publication number: 20190158207
    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: Application
    Filed: December 28, 2018
    Publication date: May 23, 2019
    Inventors: Yeong Hyeon KWON, Seung Hee HAN, Hyun Hwa PARK, Dong Cheol KIM, Hyun Woo LEE, Min Seok NOH
  • Patent number: 10284406
    Abstract: A method for transmitting a signal by a transmitting side device, the method including combining a first sequence and a second sequence to generate a third sequence in a frequency domain. The second sequence is obtained by cyclic shifting the first sequence. The method further includes transforming the third sequence into a time domain signal; and transmitting the time domain signal to a receiving side device. The third sequence includes information to identify a cell and is periodically transmitted.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: May 7, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon
  • Patent number: 10250373
    Abstract: A method and a user equipment for transmitting control information in a communication system are discussed. The method according to an embodiment includes multiplying a transmission information symbol s for the control information by a frequency direction sequence c(k) to generate a first output sequence s(k), where s(k)=s*c(k), k=0, . . . , Nk?1, and Nk corresponds to a number of subcarriers included in a resource block allocated for an uplink control channel; multiplying the first output sequence s(k) by a time direction sequence x(n) to generate a second output sequence s(k, n), where s(k, n)=s(k)*x(n), n=0, . . . , Nn?1, and Nn corresponds to a number of symbols used for transmission of the control information in a transmission time interval; and transmitting the second output sequence s(k, n) through the uplink control channel in the transmission time interval.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: April 2, 2019
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jin Sam Kwak
  • Publication number: 20190098631
    Abstract: Embodiments of the present invention are directed to a method and apparatus for transmitting and receiving a control signal (for example, PDCCH signal) in an asymmetric multicarrier environment. The method for transmitting a control signal for an asymmetric multicarrier in a wireless connection system according to one embodiment of the present invention comprises: determining the size of a carrier indicator field (CIF) indicating a downlink component carrier (DL CC) by which downlink data is transmitted, on the basis of a maximum value of the number of DL CCs and of the number of uplink component carriers (UL CCs) being managed in a base station; transmitting the CIF on a 1st DL CC to a terminal through a physical downlink control channel (PDCCH); and transmitting downlink data on a 2nd DL CC indicated by the CIF to the terminal through a physical downlink shared channel (PDSCH).
    Type: Application
    Filed: November 28, 2018
    Publication date: March 28, 2019
    Inventors: Jae Hoon Chung, So Yeon Kim, Sungho Moon, Seunghee Han, Yeong Hyeon Kwon
  • Patent number: 10219236
    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: Grant
    Filed: July 12, 2017
    Date of Patent: February 26, 2019
    Assignee: LG Electronics Inc.
    Inventors: Seunghee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jin Sam Kwak
  • Patent number: 10211963
    Abstract: A method of generating Acknowledgement/Negative Acknowledgement (ACK/NACK) information by a user equipment (UE) in a wireless communication system supporting carrier aggregation, the method including receiving, by the UE from a base station (BS), a plurality of codewords through a plurality of downlink frequency bands corresponding to a plurality of downlink carriers, wherein each of the plurality of downlink frequency bands operates in a 1-codeword mode or a 2-codeword mode, and a number of supported codewords according to the 1-codeword mode or the 2-codeword mode is independently configured for each of the downlink frequency bands, determining, by the UE, a total number of ACK/NACK bits, wherein the total number of ACK/NACK bits is determined based on a total number of the plurality of downlink carriers and the number of supported codewords according to the 1-codeword mode or the 2-codeword mode and generating, by the UE, a sequence of the ACK/NACK bits according to the total number of the ACK/NACK bits.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: February 19, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Yeong Hyeon Kwon, Jae Hoon Chung, Seung Hee Han, So Yeon Kim
  • Patent number: 10193614
    Abstract: A method for receiving data by a relay station (RS) in a wireless communication system includes: receiving radio resource allocation information via an R-PDCCH (R-Physical Downlink Control Channel); and receiving data from a base station (BS) via an R-PDSCH (R-Physical Downlink Shared Channel) indicated by the radio resource allocation information, wherein the radio resource allocation information includes information regarding an allocation of resource blocks in a frequency domain and information regarding an allocation of OFDM symbols in a time domain. Since the radio resource allocation information providing information regarding a time relationship between a control channel transmitted by the BS to a UE and a control channel transmitted by the RS to a UE connected to the RS is provided, the RS can reliably receive a signal transmitted from the BS in a backhaul link between the BS and the RS in a wireless communication system including the RS.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: January 29, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyu Jin Park, Jae Hoon Chung, Han Gyu Cho, Yeong Hyeon Kwon, Sung Ho Moon
  • Publication number: 20190028223
    Abstract: A method and apparatus for transmitting or detecting primary synchronization signal. The receiver receives primary synchronization signal from a transmitter, and detects the sequence used in the received primary synchronization signal by using three root indexes. Here, the primary synchronization signal is generated by using a Zadoff-Chu sequence having one of the three root indexes. The three root indexes comprise a first index and a second index, and a sum of the first index and the second index corresponds to the length of the Zadoff-Chu sequence.
    Type: Application
    Filed: July 27, 2018
    Publication date: January 24, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hee HAN, Min Seok NOH, Yeong Hyeon KWON, Hyun Woo LEE, Dong Cheol KIM, Jin Sam KWAK
  • Patent number: 10187170
    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: October 20, 2017
    Date of Patent: January 22, 2019
    Assignee: EVOLVED WIRELESS LLC
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Hyun Hwa Park, Dong Cheol Kim, Hyun Woo Lee, Min Seok Noh
  • Patent number: 10172129
    Abstract: A method of mapping a physical resource to a logical resource in a wireless communication system is described. The method includes dividing a physical frequency band into at least one frequency partition. Each frequency partition is divided into a localized region and a distributed region in a frequency domain. The method further includes mapping the at least one frequency partition into at least one logical resource unit. The localized region is directly mapped into the logical resource unit and the distributed region is mapped into the logical resource unit after rearranging subcarriers within the distributed region.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: January 1, 2019
    Assignee: LG Electronics Inc.
    Inventors: Jin Sam Kwak, Hong Won Park, Sung Gu Cho, Ki Ho Nam, Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim