Patents by Inventor Seok-Ki Ahn

Seok-Ki Ahn 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: 20240063941
    Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 22, 2024
    Inventors: Kyung-Joong KIM, Seho MYUNG, Min JANG, Hong-Sil JEONG, Jae-Yoel KIM, Seok-Ki AHN
  • Publication number: 20240032071
    Abstract: Disclosed herein is a method for time-division transmission of heterogeneous physical-layer signals. The method may include setting time-division-related information and alternately transmitting heterogeneous physical-layer signals to a terminal over the same frequency resource based on the time-division-related information.
    Type: Application
    Filed: April 7, 2023
    Publication date: January 25, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seok-Ki AHN, Sung-Ik PARK, Sun-Hyoung KWON, Sung-Jun AHN, Jung-Sun UM, Hoi-Yoon JUNG
  • Patent number: 11876737
    Abstract: Disclosed herein are a transmission apparatus, a reception apparatus and a transmission/reception method for an OFDM-based broadcasting system.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: January 16, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae-Hyun Seo, Sung-Ik Park, Seok-Ki Ahn, Jae-Young Lee
  • Patent number: 11799584
    Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: October 24, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Joong Kim, Seho Myung, Min Jang, Hong-Sil Jeong, Jae-Yoel Kim, Seok-Ki Ahn
  • Publication number: 20230155724
    Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.
    Type: Application
    Filed: January 19, 2023
    Publication date: May 18, 2023
    Inventors: Kyung-Joong KIM, Seho MYUNG, Min JANG, Hong-Sil JEONG, Jae-Yoel KIM, Seok-Ki AHN
  • Patent number: 11575465
    Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: February 7, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Joong Kim, Seho Myung, Min Jang, Hong-Sil Jeong, Jae-Yoel Kim, Seok-Ki Ahn
  • Patent number: 11411672
    Abstract: A method for repetitive transmission of a transport block, performed by a first communication node, may comprise generating a first modulation symbol by performing a modulation operation on a first bit sequence of the transport block; generating a second bit sequence by changing an arrangement order of bits included in the first bit sequence according to a preconfigured rule; generating a second modulation symbol by performing the modulation operation on the second bit sequence; and transmitting, to a second communication node, the first modulation symbol and the second modulation symbol on different data channels.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: August 9, 2022
    Assignee: Electronics and Telecommunication Research Institute
    Inventors: Seok Ki Ahn, Sung Ik Park
  • Patent number: 11374680
    Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate beyond a 4th generation (4G) communication system, such as long term evolution (LTE). The present disclosure provides a method and an apparatus for efficiently performing encoding and decoding of an information bit in a wireless communication system. The present disclosure relates to an operation method of a transmitting terminal in a wireless communication system, the method comprising the steps of: generating padding bits on the basis of information bits; generating an input bit sequence including the padding bits and the information bits; generating a message by encoding the input bit sequence by using a polar code; and transmitting the message.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: June 28, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min Jang, Peng Xue, Kyung Joong Kim, Hyun Seok Ryu, Se Ho Myung, Seok Ki Ahn, Hong Sil Jeong
  • Patent number: 11336401
    Abstract: Disclosed herein are a method of retransmission for downlink transmission of a wireless communication system and an apparatus for the same. The method includes receiving multiple feedback signals corresponding to a transmission failure from multiple terminals corresponding to point-to-multipoint transmission, generating retransmission data in response to the multiple feedback signals, and transmitting the retransmission data to the multiple terminals.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: May 17, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seok-Ki Ahn, Sung-Ik Park, Jae-Hyun Seo
  • Publication number: 20220124766
    Abstract: An operation method of a terminal in a communication system may comprise: performing a monitoring operation to receive BWP configuration information for common downlink communication; in response to receiving the BWP configuration information from the base station, configuring a common frequency region for the common downlink communication based on the BWP configuration information; receiving DCI including scheduling information of the common downlink communication from the base station; and performing the common downlink communication with the base station in the common frequency region by using a frequency resource indicated by the scheduling information, wherein the common downlink communication is communication between the base station and a plurality of terminals including the terminal.
    Type: Application
    Filed: October 12, 2021
    Publication date: April 21, 2022
    Inventors: Hoi Yoon JUNG, Sung Ik PARK, Nam Ho HUR, Seok Ki AHN, Sung Jun AHN
  • Publication number: 20220123858
    Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 21, 2022
    Inventors: Kyung-Joong KIM, Seho MYUNG, Min JANG, Hong-Sil JEONG, Jae-Yoel KIM, Seok-Ki AHN
  • Publication number: 20220116973
    Abstract: An operation method of a terminal in a communication system may comprise: receiving, from a base station, a higher layer message including information indicating that first DCI including a HARQ feedback enabled/disabled indicator is configured; receiving the first DCI from the base station; receiving first downlink data from the base station based on first scheduling information included in the first DCI; and determining whether to transmit a first HARQ response for the first downlink data based on the HARQ feedback enabled/disabled indicator included in the first DCI.
    Type: Application
    Filed: October 6, 2021
    Publication date: April 14, 2022
    Inventors: Hoi Yoon JUNG, Sung Ik PARK, Nam Ho HUR, Seok Ki AHN, Sung Jun AHN
  • Patent number: 11233604
    Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: January 25, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Joong Kim, Seho Myung, Min Jang, Hong-Sil Jeong, Jae-Yoel Kim, Seok-Ki Ahn
  • Publication number: 20210376967
    Abstract: A feedback signal transmission method performed by a first terminal in a communication system may comprise receiving first configuration information for a first PUCCH format for feedback for a unicast transmission scheme and a second PUCCH format for feedback for a multicast transmission scheme from a first base station; receiving first DCI for scheduling first downlink data; receiving the first downlink data; and performing a feedback operation for the first down data, wherein the receiving of the first DCI and the performing of the feedback operation for the first downlink data are performed differently for a case when the first downlink data is downlink data transmitted according to the unicast transmission scheme and a case when the first downlink data is downlink data transmitted according to the multicast transmission scheme.
    Type: Application
    Filed: June 1, 2021
    Publication date: December 2, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seok Ki AHN, Sung Ik PARK
  • Publication number: 20210306119
    Abstract: Disclosed herein are a transmission apparatus, a reception apparatus and a transmission/reception method for an OFDM-based broadcasting system.
    Type: Application
    Filed: March 26, 2021
    Publication date: September 30, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae-Hyun SEO, Sung-Ik PARK, Seok-Ki AHN, Jae-Young LEE
  • Patent number: 11082961
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The objective of the present disclosure is to signal control information necessary for selecting a transmission scheme in a wireless communication system. An method for operating a transmitting end includes, receiving capability information related to a receiver of a receiving end; transmitting control information related to a transmission scheme used for processing data determined based on the capability information; and transmitting a generated data signal by using the transmission scheme. The capability information comprises a rule for combining channel coding and a modulation and/or a rule for bit and symbol mapping.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: August 3, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sungho Chae, Cheol Jeong, Seok-Ki Ahn, Min Jang
  • Patent number: 11005596
    Abstract: The present disclosure relates to a pre-5t-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method for operating a transmitting stage in a wireless communication system includes generating a signal by encoding an input bit sequence according to polar code determined from a linear code, and transmitting the signal to a receiving stage. The input bit sequence includes a second frozen bit which is determined based on a first frozen bit and an information bit. The first frozen bit and the information bit precede the second frozen bit in the input bit sequence.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: May 11, 2021
    Assignees: Samsung Electronics Co., Ltd., POSTECH Academy-Industry Foundation
    Inventors: Seok-Ki Ahn, Jiwon Park, Kyeongcheol Yang, Daeyeol Yang, Sunghye Cho
  • Patent number: 10993232
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long-Term Evolution (LTE). According to various embodiments of the present disclosure, a first apparatus in a wireless communication system that includes at least one processor and at least one transceiver operatively coupled with the at least one processor. The at least one processor is configured to obtain a channel matrix based on a signal received from a second apparatus, obtain an integer matrix for integer forcing (IF) based on the channel matrix, and generate channel information based on the integer matrix. The at least one transceiver is configured to transmit the generated channel information to the second apparatus.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: April 27, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seok-Ki Ahn, Sungho Chae
  • Publication number: 20210091884
    Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.
    Type: Application
    Filed: December 2, 2020
    Publication date: March 25, 2021
    Inventors: Kyung-Joong KIM, Seho MYUNG, Min JANG, Hong-Sil JEONG, Jae-Yoel KIM, Seok-Ki AHN
  • Publication number: 20210067266
    Abstract: A method for repetitive transmission of a transport block, performed by a first communication node, may comprise generating a first modulation symbol by performing a modulation operation on a first bit sequence of the transport block; generating a second bit sequence by changing an arrangement order of bits included in the first bit sequence according to a preconfigured rule; generating a second modulation symbol by performing the modulation operation on the second bit sequence; and transmitting, to a second communication node, the first modulation symbol and the second modulation symbol on different data channels.
    Type: Application
    Filed: September 1, 2020
    Publication date: March 4, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seok Ki AHN, Sung Ik PARK