Patents by Inventor Byung-Chang Chung
Byung-Chang Chung 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: 11082528Abstract: Provided is a matching system including a policy and rule processing unit configured to extract SC units for each application service required, combine the SC units, configure a transaction unit, and determine an amount to be charged for a transaction according to a charging rule; a matching processing unit configured to match the extracted SC units to NC units; and an NC combination processing unit configured to combine the NC units used for the matching and deliver the combination of the NC units and detailed operating conditions to the networking management system.Type: GrantFiled: February 10, 2020Date of Patent: August 3, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Kyung Hyu Lee, Hea Sook Park, Ki Won Kim, Byeong Sik Kim, Yoon Sik Yoo, Jong Kuk Lee, Hyung Kyu Lee, Jin Hyuk Yim, Ki Cheol Jeon, Byung Chang Chung, Boo Geum Jung
-
Patent number: 10904162Abstract: A system and method for selecting an optimal path in a multi-media multi-path network. The system for selecting an optimal path in a multi-media multi-path network includes a memory storing a program for selecting an optimal path in the multi-media multi-path network and a processor for executing the program, wherein the processor uses a network performance parameter, which serves as state information, as an input value of a reinforcement learning algorithm and selects an optimal path using a Q-table obtained by applying the reinforcement learning algorithm.Type: GrantFiled: December 9, 2019Date of Patent: January 26, 2021Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Byung Chang Chung
-
Patent number: 10893542Abstract: A random access method in a beam division multiple access (BDMA) system including: receiving, by a terminal, a reference signal of at least one beam sector transmitted from an access point (AP) device; estimating, by the terminal, whether the terminal is in a center area of the beam sector provided by the AP device or in the boundary area of the beam sector by using the strength of the reference signal; transmitting, by the terminal, a different preamble to the AP device in accordance with location information of whether the terminal is located in the center area or in the boundary area; and determining, by the AP device, a target beam sector for transmitting information about uplink resources to be used by the terminal, among a plurality of beam sectors on the basis of the received preamble.Type: GrantFiled: February 22, 2016Date of Patent: January 12, 2021Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Dong Ho Cho, Byung Chang Chung, Dae Hee Park, Joon Sang Han, Yun Sik Kim
-
Publication number: 20200259924Abstract: Provided is a matching system including a policy and rule processing unit configured to extract SC units for each application service required, combine the SC units, configure a transaction unit, and determine an amount to be charged for a transaction according to a charging rule; a matching processing unit configured to match the extracted SC units to NC units; and an NC combination processing unit configured to combine the NC units used for the matching and deliver the combination of the NC units and detailed operating conditions to the networking management system.Type: ApplicationFiled: February 10, 2020Publication date: August 13, 2020Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kyung Hyu LEE, Hea Sook PARK, Ki Won KIM, Byeong Sik KIM, Yoon Sik YOO, Jong Kuk LEE, Hyung Kyu LEE, Jin Hyuk YIM, Ki Cheol JEON, Byung Chang CHUNG, Boo Geum JUNG
-
Publication number: 20200195577Abstract: A system and method for selecting an optimal path in a multi-media multi-path network. The system for selecting an optimal path in a multi-media multi-path network includes a memory storing a program for selecting an optimal path in the multi-media multi-path network and a processor for executing the program, wherein the processor uses a network performance parameter, which serves as state information, as an input value of a reinforcement learning algorithm and selects an optimal path using a Q-table obtained by applying the reinforcement learning algorithm.Type: ApplicationFiled: December 9, 2019Publication date: June 18, 2020Inventor: Byung Chang CHUNG
-
Patent number: 10536201Abstract: A coordinated transmission method based on beam division multiple access and an apparatus performing the same are disclosed. The coordinated transmission method in a beam division multiple access environment, which divides a service target region into a plurality of beam sectors through a plurality of antenna arrays having at least one of a pattern characteristic and a polarization characteristic, includes receiving a coordination request from a user terminal located in the service target region and performing any one among a macro diversity operation, a coordinated silence operation, and a coordinated beamforming operation for the user terminal based on an interference level included in the coordination request.Type: GrantFiled: February 22, 2016Date of Patent: January 14, 2020Assignee: Korea Advanced Institute of Science and TechnologyInventors: Dong Ho Cho, Byung Chang Chung, Dae Hee Park, Joon Sang Han, Yun Sik Kim
-
Publication number: 20190252040Abstract: The present invention relates to a method for detecting cancer-specific diagnostic markers in a genome and, more specifically, to a method for identifying the relationship between cancer and genomic variations and detecting cancer-specific genomic changes, thereby enabling highly accurate cancer-specific biomarkers to be detected.Type: ApplicationFiled: February 14, 2017Publication date: August 15, 2019Inventors: Dong Ho CHO, Gyu Bum HAN, Hye In SEO, Byung Chang CHUNG
-
Publication number: 20190053286Abstract: A random access method in a beam division multiple access (BDMA) system including: receiving, by a terminal, a reference signal of at least one beam sector transmitted from an access point (AP) device; estimating, by the terminal, whether the terminal is in a center area of the beam sector provided by the AP device or in the boundary area of the beam sector by using the strength of the reference signal; transmitting, by the terminal, a different preamble to the AP device in accordance with location information of whether the terminal is located in the center area or in the boundary area; and determining, by the AP device, a target beam sector for transmitting information about uplink resources to be used by the terminal, among a plurality of beam sectors on the basis of the received preamble.Type: ApplicationFiled: February 22, 2016Publication date: February 14, 2019Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Dong Ho CHO, Byung Chang CHUNG, Dae Hee PARK, Joon Sang HAN, Yun Sik KIM
-
Patent number: 10033451Abstract: A receiving apparatus based on pattern/polarization beam division multiple access (BDMA) including an antenna configured to receive a reference signal related to at least one of patterns and polarizations of a plurality of antennas included in a transmitting apparatus, and configured to transmit channel information, and a controller configured to select a particular antenna group among a plurality of antenna groups that are grouped from the plurality of antennas included in the transmitting apparatus using the reference signal, and configured to generate the channel information corresponding to the particular antenna group.Type: GrantFiled: February 24, 2017Date of Patent: July 24, 2018Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Dong Ho Cho, Byung Chang Chung, Dae Hee Park, Joon Sang Han, Yun Sik Kim
-
Patent number: 9967794Abstract: Provided are two types of schemes capable of reducing power consumption of a User Equipment (UE). The first scheme is to select a set capable of minimizing power consumption of the UE when the UE enters a sleep mode. The second scheme is a handover scheme in which the UE having entered the sleep mode maintains the sleep mode corresponding to a cooperative Base Station (BS) set in a handover of the UE.Type: GrantFiled: August 8, 2014Date of Patent: May 8, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung-Jin Park, Min-Hoe Kim, Byung-Chang Chung, Dong-Ho Cho
-
Publication number: 20180062721Abstract: A coordinated transmission method based on beam division multiple access and an apparatus performing the same are disclosed. The coordinated transmission method in a beam division multiple access environment, which divides a service target region into a plurality of beam sectors through a plurality of antenna arrays having at least one of a pattern characteristic and a polarization characteristic, includes receiving a coordination request from a user terminal located in the service target region and performing any one among a macro diversity operation, a coordinated silence operation, and a coordinated beamforming operation for the user terminal based on an interference level included in the coordination request.Type: ApplicationFiled: February 22, 2016Publication date: March 1, 2018Applicant: Korea Advanced Institute of Science and TechnologyInventors: Dong Ho CHO, Byung Chang CHUNG, Dae Hee PARK, Joon Sang HAN, Yun Sik KIM
-
Patent number: 9907049Abstract: Provided is a method and apparatus for operating an idle mode in a wireless communication system. The method includes receiving a first message requesting entry to an idle mode from a Subscriber Station (SS) through at least one Base Station (BS), selecting in response to reception of the first message whether the MS is to enter an idle mode in which BSs belonging to a paging group broadcast a paging message for the MS or whether the MS is to enter a semi-idle mode in which BSs belonging to a semi-idle paging group, which is a subset of the paging group, broadcast the paging message for the SS, and transmitting Paging announce information instructing the BSs belonging to the semi-idle paging group to broadcast the paging message for the SS, if the semi-idle mode is selected.Type: GrantFiled: March 26, 2014Date of Patent: February 27, 2018Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology (KAIST)Inventors: Hyun-Jeong Kang, Min-Hoe Kim, Sung-Jin Park, Byung-Chang Chung, Dong-Ho Cho
-
Patent number: 9907090Abstract: The present invention can reduce the clashing of random accesses by assigning a random access priority according to the number of links. A method for random access from a terminal in a virtual cell network system according to an embodiment of the present invention comprises the steps of determining the number of links that are connected to the terminal; selecting a random access set for random access on the basis of the number of links; selecting a slot resource for random access from the random access set on the basis of the number of links; and performing a random access over the slot resource, wherein the slot resource includes a common resource held by a plurality of base stations.Type: GrantFiled: August 6, 2014Date of Patent: February 27, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Jin Park, Min-Hoe Kim, Byung-Chang Chung, Dong-Ho Cho
-
Publication number: 20170244467Abstract: A receiving apparatus based on pattern/polarization beam division multiple access (BDMA) including an antenna configured to receive a reference signal related to at least one of patterns and polarizations of a plurality of antennas included in a transmitting apparatus, and configured to transmit channel information, and a controller configured to select a particular antenna group among a plurality of antenna groups that are grouped from the plurality of antennas included in the transmitting apparatus using the reference signal, and configured to generate the channel information corresponding to the particular antenna group.Type: ApplicationFiled: February 24, 2017Publication date: August 24, 2017Applicant: Korea Advanced Institute of Science and TechnologyInventors: Dong Ho CHO, Byung Chang CHUNG, Dae Hee PARK, Joon Sang HAN, Yun Sik KIM
-
Patent number: 9648536Abstract: A method for handover in a wireless communication system includes: when a received signal strength difference between a serving beam from a serving base station used for communication by a terminal and a target beam of a neighboring base station is equal to or greater than a first threshold value, and a received signal strength difference between an active beam and the target beam is equal to or greater than a second threshold value, determining a handover to the target beam; and transmitting a message to initiate the handover.Type: GrantFiled: September 12, 2013Date of Patent: May 9, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyun-Jeong Kang, Sung-Jin Park, Byung-Chang Chung, Min-Hoe Kim, Jung-Min Moon, Dong-Ho Cho
-
Publication number: 20160205606Abstract: Provided are two types of schemes capable of reducing power consumption of a User Equipment (UE). The first scheme is to select a set capable of minimizing power consumption of the UE when the UE enters a sleep mode. The second scheme is a handover scheme in which the UE having entered the sleep mode maintains the sleep mode corresponding to a cooperative Base Station (BS) set in a handover of the UE.Type: ApplicationFiled: August 8, 2014Publication date: July 14, 2016Inventors: Sung-Jin Park, Min-Hoe Kim, Byung-Chang Chung, Dong-Ho Cho
-
Publication number: 20160192392Abstract: The present invention can reduce the clashing of random accesses by assigning a random access priority according to the number of links. A method for random access from a terminal in a virtual cell network system according to an embodiment of the present invention comprises the steps of determining the number of links that are connected to the terminal; selecting a random access set for random access on the basis of the number of links; selecting a slot resource for random access from the random access set on the basis of the number of links; and performing a random access over the slot resource, wherein the slot resource includes a common resource held by a plurality of base stations.Type: ApplicationFiled: August 6, 2014Publication date: June 30, 2016Inventors: Sung-Jin Park, Min-Hoe Min-Hoe, Byung-Chang Chung, Dong-Ho Cho
-
Patent number: 9155090Abstract: An apparatus and a method for transmitting and receiving a reference signal in a wireless communication system are provided. The method includes determining a cluster-specific reference signal configuration according a cluster configuration, transmitting information about the cluster-specific reference signal configuration, and transmitting cluster-specific reference signals of at least one cluster according to the cluster-specific reference signal configuration.Type: GrantFiled: February 28, 2013Date of Patent: October 6, 2015Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Jung-Min Moon, Byung-Chang Chung, Dong-Ho Cho
-
Publication number: 20140295896Abstract: Provided is a method and apparatus for operating an idle mode in a wireless communication system. The method includes receiving a first message requesting entry to an idle mode from a Subscriber Station (SS) through at least one Base Station (BS), selecting in response to reception of the first message whether the MS is to enter an idle mode in which BSs belonging to a paging group broadcast a paging message for the MS or whether the MS is to enter a semi-idle mode in which BSs belonging to a semi-idle paging group, which is a subset of the paging group, broadcast the paging message for the SS, and transmitting Paging announce information instructing the BSs belonging to the semi-idle paging group to broadcast the paging message for the SS, if the semi-idle mode is selected.Type: ApplicationFiled: March 26, 2014Publication date: October 2, 2014Applicants: Korea Advanced Institute of Science and Technology, Samsung Electronics Co., Ltd.Inventors: Hyun-Jeong Kang, Min-Hoe Kim, Sung-Jin Park, Byung-Chang Chung, Dong-Ho Cho
-
Publication number: 20140073329Abstract: A method for handover in a wireless communication system includes: when a received signal strength difference between a serving beam from a serving base station used for communication by a terminal and a target beam of a neighboring base station is equal to or greater than a first threshold value, and a received signal strength difference between an active beam and the target beam is equal to or greater than a second threshold value, determining a handover to the target beam; and transmitting a message to initiate the handover.Type: ApplicationFiled: September 12, 2013Publication date: March 13, 2014Applicants: Korea Advanced Institute of Science and Technology, Samsung Electronics Co., Ltd.Inventors: Hyun-Jeong Kang, Sung-Jin Park, Byung-Chang Chung, Min-Hoe Kim, Jung-Min Moon, Dong-Ho Cho