Patents by Inventor Byeong Cheol Choi

Byeong Cheol Choi 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: 10993231
    Abstract: A method of transmitting control information by an end node in a wireless communication system supporting multi-channel transmission includes: transmitting control information to a center node on a first channel among multiple channels within a control period of a wireless frame when the first channel is in an idle state; transmitting the control information to the center node on a second channel when the first channel is not in the idle state and the second channel is in the idle state, the second channel being selected from channels other than the first channel among the multiple channels; and transmitting the control information to the center node in a subsequent wireless frame when the second channel is not in the idle state.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: April 27, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Geon Min Yeo, Sun Hwa Lim, Young Il Kim, Dae Geun Park, Soon Yong Song, Byeong Cheol Choi
  • Patent number: 10902537
    Abstract: A logistics information processing server includes a data processor configured to receive environment sensing data collected from at least one environmental sensor disposed in a cargo storage device in which at least one cargo is stored and cargo related information collected from a cargo tag attached to the at least one cargo, and to perform processing by classifying the environment sensing data and the cargo related data into cargo storage environment data, cargo information, and transportation environment information according to data attributes; and a logistics trust index generator configured to generate a logistics trust index indicating a degree of influence exerted on the quality of the cargo from the cargo storage environment data, cargo information, and transportation environment information output by the data processor.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: January 26, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Il Kim, Byeong Cheol Choi, Hyo Chan Bang, Geon Min Yeo, Sun Hwa Lim, Dae Geun Park, Soon Yong Song
  • Patent number: 10741078
    Abstract: A method for providing a traffic safety service of a traffic safety service server communicating with a client terminal includes: receiving sensor data of each sensor from the client terminal; classifying the sensor data into data according to at least one specific time slot for each sensor and calculating a safety score of each of the at least time slot; calculating an average of the safety scores of the at least time slot and calculating a safety score for each sensor, and calculating a safety index on the basis of the safety score for each sensor and a weight assigned to each sensor.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: August 11, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Il Kim, Dae Geun Park, Hyo Chan Bang, Soon Yong Song, Geon Min Yeo, Sun Hwa Lim, Byeong Cheol Choi
  • Patent number: 10716141
    Abstract: A method of controlling a wireless communication network, performed by a server, includes determining neighbor base stations adjacent to a target base station based on a connection relationship between a plurality of base stations; setting at least two reference base stations based on hop distances between the neighbor base stations; grouping terminals connected to the target base station into at least two groups based on information of the at least two reference base stations, and allocating a different time resource to each of the at least two groups.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: July 14, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Wun Cheol Jeong, Byeong Cheol Choi, Tae Joon Park, Kye Seon Lee
  • Publication number: 20200174920
    Abstract: Disclosed herein are a method and apparatus for randomizing the address space layout of an embedded system based on hardware. The method is configured such that the hardware loader of the embedded system randomly arranges the respective address regions of multiple peripheral devices and memory using a random number each time a program is loaded, such that the respective random start addresses of the multiple peripheral devices and the memory, which are set based on the randomly arranged address regions, are recorded in an address table, and such that program code loaded into the memory is reengineered based on the address table so as to match the randomly arranged address regions.
    Type: Application
    Filed: November 26, 2019
    Publication date: June 4, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin-Yong LEE, Dae-Won KIM, Boo-Sun JEON, Bo-Heung CHUNG, Hong-Il JU, Byeong-Cheol CHOI
  • Publication number: 20200169392
    Abstract: Disclosed is a system for performing key management of an in-vehicle network. The key management system of the in-vehicle network includes a reception unit configured to receive a shared secret key of a central gateway and a domain gateway, a memory configured to store a program for performing key management of the in-vehicle network using the shared secret key, and a processor configured to execute the program. The processor generates a secret key to be stored in a node of the in-vehicle network using the shared secret key and a unique ID of the node.
    Type: Application
    Filed: November 26, 2019
    Publication date: May 28, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hong Il JU, Dae Won KIM, Jin Yong LEE, Boo Sun JEON, Bo Heung CHUNG, Byeong Cheol CHOI
  • Publication number: 20200169555
    Abstract: A transmission method of a domain gateway over a vehicle network based on automotive Ethernet includes receiving, by a domain gateway of a first domain, transmission data on a CAN packet basis from a transmitting-side ECU; transmitting, by the domain gateway of the first domain, the transmission on an Ethernet packet basis to a domain gateway of a second domain; and transmitting, by the domain gateway of the second domain, the transmission data on a CAN packet basis to a receiving-side ECU. The CAN packet includes a CAN ID field, and the CAN ID field includes a CAN message section and an authentication section.
    Type: Application
    Filed: November 13, 2019
    Publication date: May 28, 2020
    Inventors: Bo Heung CHUNG, Dae Won KIM, Jin Yong LEE, Boo Sun JEON, Hong Il JU, Byeong Cheol CHOI
  • Patent number: 10333377
    Abstract: A hybrid self-generation apparatus includes a vibration source based generation part installed in a mechanical apparatus and converting vibration energy generated during operation or movement of the mechanical apparatus into first electric energy; a wind power source based generation part installed in the mechanical apparatus and converting kinetic energy of air generated in periphery of the mechanical apparatus during operation or movement of the mechanical apparatus into second electric energy; and a power storage part storing the first electric energy and the second electric energy. Also, the wind power source based generation part includes at least one air controller, and the wind power source based generation part automatically operates or stops power generation according to a movement speed of the mechanical apparatus in accordance with operation of the at least one air controller.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: June 25, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Il Kim, Byeong Cheol Choi, Hyo Chan Bang, Geon Min Yeo, Sun Hwa Lim, Dae Geun Park, Soon Yong Song
  • Patent number: 10231267
    Abstract: An operation method of a server in a communication network includes receiving a connection request message from each of a plurality of gateways connected to the server; identifying a service level of a terminal that has transmitted the connection request message based on information included in the connection request message; selecting a first gateway corresponding to the service level among the plurality of gateways as a gateway to which the terminal is to be connected; and transmitting a connection approval message, which is a response to the connection request message, to the terminal through the first gateway.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: March 12, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kye Seon Lee, Tae Joon Park, Byeong Cheol Choi, Wun Cheol Jeong
  • Patent number: 10200155
    Abstract: Disclosed herein are a one-way data transmission apparatus, a one-way data reception apparatus, and a one-way data transmission/reception method using the apparatuses. The one-way data transmission/reception method uses a one-way data transmission apparatus and a one-way data reception apparatus, and includes receiving data from a high-security zone through a one-way path, generating tag information of the data, sending a message in which the tag information is added to the data to the one-way data reception apparatus, receiving the message from the one-way data transmission apparatus, checking the tag information of the message, and transmitting the data to a low-security zone.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: February 5, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byoung-Koo Kim, Seon-Gyoung Sohn, Boo-Sun Jeon, Young-Jun Heo, Dong-Ho Kang, Jung-Chan Na, Byeong-Cheol Choi, Jae-Hoon Nah, Seoung-Hyeon Lee
  • Publication number: 20180338311
    Abstract: A method of transmitting control information by an end node in a wireless communication system supporting multi-channel transmission includes: transmitting control information to a center node on a first channel among multiple channels within a control period of a wireless frame when the first channel is in an idle state; transmitting the control information to the center node on a second channel when the first channel is not in the idle state and the second channel is in the idle state, the second channel being selected from channels other than the first channel among the multiple channels; and transmitting the control information to the center node in a subsequent wireless frame when the second channel is not in the idle state.
    Type: Application
    Filed: May 18, 2018
    Publication date: November 22, 2018
    Inventors: Geon Min YEO, Sun Hwa LIM, Young Il KIM, Dae Geun PARK, Soon Yong SONG, Byeong Cheol CHOI
  • Publication number: 20180167982
    Abstract: An operation method of a server in a communication network includes receiving a connection request message from each of a plurality of gateways connected to the server; identifying a service level of a terminal that has transmitted the connection request message based on information included in the connection request message; selecting a first gateway corresponding to the service level among the plurality of gateways as a gateway to which the terminal is to be connected; and transmitting a connection approval message, which is a response to the connection request message, to the terminal through the first gateway.
    Type: Application
    Filed: October 16, 2017
    Publication date: June 14, 2018
    Inventors: Kye Seon LEE, Tae Joon PARK, Byeong Cheol CHOI, Wun Cheol JEONG
  • Publication number: 20180167973
    Abstract: A method of controlling a wireless communication network, performed by a server, includes determining neighbor base stations adjacent to a target base station based on a connection relationship between a plurality of base stations; setting at least two reference base stations based on hop distances between the neighbor base stations; grouping terminals connected to the target base station into at least two groups based on information of the at least two reference base stations, and allocating a different time resource to each of the at least two groups.
    Type: Application
    Filed: November 27, 2017
    Publication date: June 14, 2018
    Inventors: Wun Cheol JEONG, Byeong Cheol CHOI, Tae Joon PARK, Kye Seon LEE
  • Publication number: 20180166962
    Abstract: A hybrid self-generation apparatus includes a vibration source based generation part installed in a mechanical apparatus and converting vibration energy generated during operation or movement of the mechanical apparatus into first electric energy; a wind power source based generation part installed in the mechanical apparatus and converting kinetic energy of air generated in periphery of the mechanical apparatus during operation or movement of the mechanical apparatus into second electric energy; and a power storage part storing the first electric energy and the second electric energy. Also, the wind power source based generation part includes at least one air controller, and the wind power source based generation part automatically operates or stops power generation according to a movement speed of the mechanical apparatus in accordance with operation of the at least one air controller.
    Type: Application
    Filed: December 5, 2017
    Publication date: June 14, 2018
    Inventors: Young Il Kim, Byeong Cheol Choi, Hyo Chan Bang, Geon Min Yeo, Sun Hwa Lim, Dae Geun Park, Soon Yong Song
  • Publication number: 20180144429
    Abstract: An a logistics information processing server includes a data processor configured to receive environment sensing data collected from at least one environmental sensor disposed in a cargo storage device in which at least one cargo is stored and cargo related information collected from a cargo tag attached to the at least one cargo, and to perform processing by classifying the environment sensing data and the cargo related data into cargo storage environment data, cargo information, and transportation environment information according to data attributes; and a logistics trust index generator configured to generate a logistics trust index indicating a degree of influence exerted on the quality of the cargo from the cargo storage environment data, cargo information, and transportation environment information output by the data processor.
    Type: Application
    Filed: November 22, 2017
    Publication date: May 24, 2018
    Inventors: Young Il KIM, Byeong Cheol CHOI, Hyo Chan BANG, Geon Min YEO, Sun Hwa LIM, Dae Geun PARK, Soon Yong SONG
  • Publication number: 20180144634
    Abstract: A method for providing a traffic safety service of a traffic safety service server communicating with a client terminal includes: receiving sensor data of each sensor from the client terminal; classifying the sensor data into data according to at least one specific time slot for each sensor and calculating a safety score of each of the at least time slot; calculating an average of the safety scores of the at least time slot and calculating a safety score for each sensor, and calculating a safety index on the basis of the safety score for each sensor and a weight assigned to each sensor.
    Type: Application
    Filed: November 22, 2017
    Publication date: May 24, 2018
    Inventors: Young Il KIM, Dae Geun PARK, Hyo Chan BANG, Soon Yong SONG, Geon Min YEO, Sun Hwa LIM, Byeong Cheol CHOI
  • Publication number: 20180121660
    Abstract: Disclosed herein are an apparatus and method for dynamic binary analysis on a hardware board. The method for dynamic binary analysis on a hardware board is performed using an apparatus for dynamic binary analysis on the hardware board, and includes generating information required for dynamic binary analysis based on information collected while interfacing with an embedded device, disassembling, by a software processing unit, the information required for dynamic binary analysis by receiving the information from a hardware processing unit while interfacing with the hardware processing unit, selecting a core platform of the embedded device based on results of the disassembly, and analyzing security vulnerabilities in the embedded device by performing dynamic binary analysis of the core platform.
    Type: Application
    Filed: October 31, 2017
    Publication date: May 3, 2018
    Inventors: Byeong-Cheol CHOI, Jong-Seop PARK, Jung-Chan NA, Seung-Hun JIN
  • Publication number: 20180109356
    Abstract: Disclosed herein are a one-way data transmission apparatus, a one-way data reception apparatus, and a one-way data transmission/reception method using the apparatuses. The one-way data transmission/reception method uses a one-way data transmission apparatus and a one-way data reception apparatus, and includes receiving data from a high-security zone through a one-way path, generating tag information of the data, sending a message in which the tag information is added to the data to the one-way data reception apparatus, receiving the message from the one-way data transmission apparatus, checking the tag information of the message, and transmitting the data to a low-security zone.
    Type: Application
    Filed: July 3, 2017
    Publication date: April 19, 2018
    Inventors: Byoung-Koo KIM, Seon-Gyoung SOHN, Boo-Sun JEON, Young-Jun HEO, Dong-Ho KANG, Jung-Chan NA, Byeong-Cheol CHOI, Jae-Hoon NAH, Seoung-Hyeon LEE
  • Patent number: 9769322
    Abstract: Disclosed herein are a telephone, a switchboard, and a method for sending a message between the telephone and the switchboard using a Dual Tone Multiple Frequency (DTMF) signal. The telephone includes a sensor interface unit for collecting sensing signals by being connected to sensors, a transmission unit for generating a message using the sensing signals, converting the message into a DTMF signal, and transmitting the DTMF signal and a telephone signal, and a power distribution unit for being supplied with power from the switchboard and distributing the power to operation units.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: September 19, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae-Hong Ruy, Hyo-Chan Bang, Byeong-Cheol Choi, Hoon Jeong
  • Publication number: 20170215074
    Abstract: Provided is an integrity verification method performed in a virtualization system. Specifically, the integrity verification method may include receiving a security key for integrity verification from a mobile device, and verifying an integrity of a test target based on integrity verification information on the test target in a virtualization system using the received security key.
    Type: Application
    Filed: May 17, 2016
    Publication date: July 27, 2017
    Inventors: Byeong Cheol CHOI, Jung Chan NA, Seoung Hyeon LEE