Patents by Inventor Heung-Mook Kim

Heung-Mook 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).

  • METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SIGNAL BY USING VARIABLE BAND WIDTH IN COMMUNICATION SYSTEM
    Publication number: 20220061094
    Abstract: A method and an apparatus for transmitting/receiving a signal by using a variable band width in a communication system are disclosed. An operating method of a terminal comprises the steps of: receiving, from a base station, first configuration information about one or more guard bands of an unlicensed band; confirming the one or more guard bands configured in the unlicensed band on the basis of the first configuration information; and confirming a plurality of RB sets configured in the unlicensed band on the basis of the one or more guard bands. Therefore, performance of the communication system can be improved.
    Type: Application
    Filed: February 13, 2020
    Publication date: February 24, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hoi Yoon JUNG, Sung Ik PARK, Heung Mook KIM, Nam Ho HUR
  • METHOD AND APPARATUS FOR TRANSMITTING OR RECEIVING FEEDBACK INFORMATION IN COMMUNICATION SYSTEM
    Publication number: 20220061081
    Abstract: Disclosed are a method and an apparatus for transmitting or receiving feedback information in a communication system. An operation method of a terminal comprises the steps of: receiving, from a base station, DCI #1 including scheduling information of PDSCH #1 and transmission resource information of HARQ response #1 with respect to PDSCH #1; receiving, from the base station, DCI #2 including scheduling information of PDSCH #2 and transmission resource information of HARQ response #2 with respect to PDSCH #2; and when the transmission resource information of HARQ response #1 is configured as undefined, transmitting, to the base station, HARQ response #1 and HARQ response #2 by using a resource indicated by the transmission resource information of HARQ response #2. Therefore, the performance of the communication system can be improved.
    Type: Application
    Filed: January 2, 2020
    Publication date: February 24, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hoi Yoon JUNG, Sung Ik PARK, Heung Mook KIM, Nam Ho HUR
  • BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 16200 AND CODE RATE OF 3/15 AND 64-SYMBOL MAPPING, AND BIT INTERLEAVING METHOD USING SAME
    Publication number: 20220052708
    Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of 3/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 64-symbol mapping.
    Type: Application
    Filed: October 13, 2021
    Publication date: February 17, 2022
    Inventors: Sung-Ik PARK, Sun-Hyoung KWON, Bo-Mi LIM, Jae-Young LEE, Heung-Mook KIM, Nam-Ho HUR
  • BROADCAST SIGNAL TRANSMISSION APPARATUS USING TRANSMISSION IDENTIFIER AND METHOD USING SAME
    Publication number: 20220045779
    Abstract: An apparatus for transmitting broadcasting signal using transmitter identification and method using the same are disclosed. An apparatus for transmitting broadcasting signal according to an embodiment of the present invention includes a waveform generator configured to generate a host broadcasting signal; a transmitter identification signal generator configured to generate a transmitter identification signal for identifying a transmitter; and a combiner configured to inject the transmitter identification signal into the host broadcasting signal in a time domain so that the transmitter identification signal is transmitted synchronously with the host broadcasting signal.
    Type: Application
    Filed: October 12, 2021
    Publication date: February 10, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung-Ik PARK, Sun-Hyoung KWON, Jae-Young LEE, Heung-Mook KIM, Nam-Ho HUR
  • GATEWAY SIGNALING METHOD FOR FREQUENCY/TIMING OFFSET, AND DEVICE THEREFOR
    Publication number: 20220015054
    Abstract: Disclosed herein are a gateway-signaling method for frequency/timing offsets and an apparatus for the same. An apparatus for transmitting a broadcast signal according to an embodiment of the present invention includes a frequency/timing decision unit for determining a center frequency to which a frequency offset is applied using a carrier offset, which is identified using a timing and a management packet transmitted through a Studio-to-Transmitter Link (STL); and an RF signal generation unit for generating an RF signal to be transmitted, which corresponds to the center frequency.
    Type: Application
    Filed: July 13, 2021
    Publication date: January 13, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae-Young LEE, Sung-Ik PARK, Sun-Hyoung KWON, Heung-Mook KIM, Nam-Ho HUR
  • METHOD OF BROADCAST GATEWAY SIGNALING FOR CHANNEL BONDING, AND APPARATUS FOR THE SAME
    Publication number: 20220007334
    Abstract: Disclosed herein are a method and apparatus of broadcast gateway signaling for channel bonding. The apparatus for broadcast gateway signaling includes an input formatting unit configured to generate baseband packets corresponding to channel bonding; and a stream partitioner configured to allocate the baseband packets to two or more RF channels of the channel bonding for generating an outer tunnel data stream, the outer tunnel data stream generated in different ways according to a plurality of operation modes for the channel bonding.
    Type: Application
    Filed: September 16, 2021
    Publication date: January 6, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae-Young LEE, Soon-Choul KIM, Sung-Ik PARK, Heung-Mook KIM
  • BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 64800 AND CODE RATE OF 4/15 AND 4096-SYMBOL MAPPING, AND BIT INTERLEAVING METHOD USING SAME
    Publication number: 20220006474
    Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 4/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 4096-symbol mapping.
    Type: Application
    Filed: September 20, 2021
    Publication date: January 6, 2022
    Inventors: Sung-Ik PARK, Sun-Hyoung KWON, Jae-Young LEE, Heung-Mook KIM, Nam-Ho HUR
  • Broadcast signal frame generating apparatus and broadcast signal frame generating method using bootstrap and preamble
    Patent number: 11218352
    Abstract: An apparatus and method for broadcast signal frame using a bootstrap and a preamble are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a time interleaver configured to generate a time-interleaved signal by performing interleaving on a BICM output signal; and a frame builder configured to generate a broadcast signal frame including a bootstrap and a preamble using the time-interleaved signal.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: January 4, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung-Ik Park, Jae-Young Lee, Sun-Hyoung Kwon, Heung-Mook Kim
  • METHOD FOR GATEWAY SIGNALING FOR MISO OPERATION AND APPARATUS THEREFOR
    Publication number: 20210409155
    Abstract: Disclosed herein are a gateway-signaling method for Multiple-Input Single-Output (MISO) operation and an apparatus for the same. An apparatus for transmitting a broadcast signal according to an embodiment of the present invention includes a predistortion unit for performing predistortion for decorrelating signals corresponding to transmitters using the number of transmitters used for MISO and a transmitter coefficient index that are identified using a timing and management packet transmitted through a Studio-to-Transmitter Link (STL), thereby generating a pre-distorted signal; and an RF signal generation unit for generating an RF transmission signal using the pre-distorted signal corresponding to the transmitter coefficient index.
    Type: Application
    Filed: July 13, 2021
    Publication date: December 30, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae-Young LEE, Sung-Ik PARK, Sun-Hyoung KWON, Heung-Mook KIM, Nam-Ho HUR
  • Parity interleaving apparatus for encoding fixed-length signaling information, and parity interleaving method using same
    Patent number: 11206047
    Abstract: A parity interleaving apparatus and method for fixed length signaling information are disclosed. A parity interleaving apparatus according to an embodiment of the present invention includes a processor configured to generate a parity bit string for parity puncturing by segmenting parity bits of an LDPC codeword whose length is 16200 and whose code rate is 3/15, into a plurality of groups, and group-wise interleaving the groups using an order of group-wise interleaving; and memory configured to provide the parity bit string for parity puncturing to a parity puncturing unit.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: December 21, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung-Ik Park, Sun-Hyoung Kwon, Jae-Young Lee, Heung-Mook Kim
  • Broadcast signal frame generation device and broadcast signal frame generation method using boundary of physical layer pipes of core layer
    Patent number: 11206103
    Abstract: An apparatus and method for broadcast signal frame using a boundary between Physical Layer Pipes (PLPs) of a core layer are disclosed.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: December 21, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sun-Hyoung Kwon, Jae-Young Lee, Sung-Ik Park, Bo-Mi Lim, Heung-Mook Kim, Jin-Hyuk Song
  • Method for transmitting and receiving synchronization signal in communication system
    Patent number: 11196606
    Abstract: A method for transmitting and receiving a synchronization signal in a communication system is disclosed. An operation method of a terminal comprises the steps of: receiving, from a base station, a synchronization signal and an SS block including a PBCH; estimating y bits among x bits for indicating a number of a system frame on which the SS block has been transmitted, on the basis of a sequence used for the scrambling of the PBCH included in the SS block; decoding the PBCH included in the SS block so as to acquire z bits among the x bits for indicating the number of the system frame on which the SS block has been transmitted; and confirming the number of the system frame on the basis of the y bits and the z bits. Therefore, the performance of a communication system can be improved.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: December 7, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hoi Yoon Jung, Sung Ik Park, Heung Mook Kim, Nam Ho Hur
  • INTEGRATED CORE NETWORK OF 5G AND ATSC 3.0, CONTROL PLANE ENTITY AND METHOD FOR TRANSMITTING MULTIMEDIA CONTENT IN CONTROL PLANE ENTITY
    Publication number: 20210377318
    Abstract: Disclosed herein is an integrated core network of 5G and ATSC 3.0. The integrated core network of 5G and ATSC 3.0 includes multiple control plane entities and a user plane entity, and further includes an ATSC 3.0 gateway, thereby enabling multimedia content transmitted from the ATSC 3.0 gateway to the user plane entity under the control of the control entity to be delivered to user equipment over an ATSC 3.0 terrestrial network. The ATSC 3.0 gateway may include an ATSC 3.0 Control Plane Gateway (CP-GW) connected between the user plane entity and the multiple control plane entities and an ATSC 3.0 User Plane Gateway (UP-GW) connected to the user plane entity.
    Type: Application
    Filed: May 7, 2021
    Publication date: December 2, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hoi-Yoon JUNG, Sung-Ik PARK, Heung-Mook KIM, Nam-Ho HUR, David Gomez-Barquero, Eduardo Garro, Carlos Barjau Estevan
  • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL INCLUDING CELL INFORMATION IN COMMUNICATION SYSTEM
    Publication number: 20210377883
    Abstract: Disclosed are a method and an apparatus for transmitting and receiving a signal including cell information in a communication system. An operation method of a terminal comprises the steps of: receiving a first SS/PBCH block from a base station; receiving a second SS/PBCH block from the base station after receiving the first SS/PBCH block; and confirming information included in the first SS/PBCH block and the second SS/PBCH block by performing a combining operation on the first SS/PBCH block and the second SS/PBCH block when a transmission beam of the first SS/PBCH block is the same as a transmission beam of the second SS/PBCH block. Therefore, the performance of a communication system can be improved.
    Type: Application
    Filed: September 16, 2019
    Publication date: December 2, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hoi Yoon JUNG, Sung Ik PARK, Heung Mook KIM, Nam Ho HUR
  • BROADCAST SIGNAL TRANSMITTING DEVICE AND BROADCAST SIGNAL TRANSMITTING METHOD WHICH USE CHANNEL BONDING
    Publication number: 20210367821
    Abstract: An apparatus and method for transmitting broadcast signal to which channel bonding is applied are disclosed. The apparatus according to the present invention includes an input formatting unit configured to generate baseband packets corresponding to a plurality of packet types using data corresponding to a physical layer pipe; a stream partitioner configured to partition the baseband packets into a plurality of partitioned streams corresponding to the plurality of packet types; BICM units configured to perform error correction encoding, interleaving and modulation corresponding to the plurality of partitioned streams, respectively; and waveform generators configured to generate RF transmission signals corresponding to the plurality of partitioned streams, respectively.
    Type: Application
    Filed: August 9, 2021
    Publication date: November 25, 2021
    Inventors: Sung-Ik PARK, Jae-Young LEE, Sun-Hyoung KWON, Nam-Ho HUR, Heung-Mook KIM
  • BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 64800 AND CODE RATE OF 2/15 AND 4096-SYMBOL MAPPING, AND BIT INTERLEAVING METHOD USING SAME
    Publication number: 20210367615
    Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 2/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 4096-symbol mapping.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 25, 2021
    Inventors: Sung-Ik PARK, Sun-Hyoung KWON, Jae-Young LEE, Heung-Mook KIM, Nam-Ho HUR
  • BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 16200 AND CODE RATE OF 4/15 AND 64-SYMBOL MAPPING, AND BIT INTERLEAVING METHOD USING SAME
    Publication number: 20210359708
    Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of 4/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 64-symbol mapping.
    Type: Application
    Filed: July 27, 2021
    Publication date: November 18, 2021
    Inventors: Sung-Ik PARK, Sun-Hyoung KWON, Bo-Mi LIM, Jae-Young LEE, Heung-Mook KIM, Nam-Ho HUR
  • Broadcast signal transmission apparatus using transmission identifier and method using same
    Patent number: 11177898
    Abstract: An apparatus for transmitting broadcasting signal using transmitter identification and method using the same are disclosed. An apparatus for transmitting broadcasting signal according to an embodiment of the present invention includes a waveform generator configured to generate a host broadcasting signal; a transmitter identification signal generator configured to generate a transmitter identification signal for identifying a transmitter; and a combiner configured to inject the transmitter identification signal into the host broadcasting signal in a time domain so that the transmitter identification signal is transmitted synchronously with the host broadcasting signal.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: November 16, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung-Ik Park, Sun-Hyoung Kwon, Jae-Young Lee, Heung-Mook Kim, Nam-Ho Hur
  • Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 3/15 and 64-symbol mapping, and bit interleaving method using same
    Patent number: 11177829
    Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of 3/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 64-symbol mapping.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: November 16, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung-Ik Park, Sun-Hyoung Kwon, Bo-Mi Lim, Jae-Young Lee, Heung-Mook Kim, Nam-Ho Hur
  • BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 64800 AND CODE RATE OF 4/15 AND 1024-SYMBOL MAPPING, AND BIT INTERLEAVING METHOD USING SAME
    Publication number: 20210351793
    Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 4/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 1024-symbol mapping.
    Type: Application
    Filed: July 26, 2021
    Publication date: November 11, 2021
    Inventors: Sung-Ik PARK, Sun-Hyoung KWON, Jae-Young LEE, Heung-Mook KIM, Nam-Ho HUR