Patents by Inventor Eun-Seon Cho
Eun-Seon Cho 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).
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Patent number: 8737263Abstract: An apparatus and method for assigning a Physical Cell Identity (PCI) of a Home eNodeB (HeNB) are provided. The apparatus may distribute PCIs into a plurality of PCI groups, and may enable a PCI group to be assigned to a cell so that the assigned PCI group may be different from a PCI group assigned to a neighboring cell, and that an unassigned PCI in the assigned PCI group may be assigned to an HeNB within a single cell.Type: GrantFiled: August 9, 2010Date of Patent: May 27, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Eun Seon Cho, Chan Yong Lee, Hong Soog Kim, Nam Hoon Park
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Patent number: 8706099Abstract: Provided are a method and an apparatus for power saving of a femto base station operating as a CSG cell in a wireless communication system. A femto base station according to an exemplary embodiment of the present invention includes: a reception unit receiving signals from adjacent second femto base stations; a transmission unit transmitting signals to second femto base stations, and a control unit controlling to be transitioned to an active mode when a mode transition command is received from at least one second femto base station while operating in a sleep mode, in a wireless communication system constituted by a plurality of femto base stations using automatic neighbor relation (ANR).Type: GrantFiled: May 20, 2011Date of Patent: April 22, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Eun Seon Cho, Chan Yong Lee, Hong Soog Kim, Nam Hoon Park
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Publication number: 20130150057Abstract: Provided is a method of assigning a physical layer cell identity (PCI) to a femtocell base station. The method includes obtaining location information from a femtocell base station and storing the location information, a first step of determining whether a PCI does not collide and is not confused with PCIs of base stations present in an area having a radius of a first multiple of a the femtocell radius and a second step of determining whether a PCI does not collide and is not confused with PCIs of base stations present in an area having a radius of a second multiple of the femtocell radius when a PCI does not collide and is not confused with PCIs of base stations is not found in an area having a radius of a first multiple of the femtocell radius.Type: ApplicationFiled: May 1, 2012Publication date: June 13, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Eun Seon CHO, Byung Han RYU, Nam Hoon PARK, Chan Yong LEE, Hyeon Ju OH, Hong Soog KIM
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Patent number: 8447346Abstract: A Software Communications Architecture (SCA)-based software-defined radio (SDR) terminal and a reconfiguration method thereof are provided. The SDR terminal includes a software module including first and second hardware modules that are programmable and a memory storing at least one wireless access application; and a software module including a reconfiguration core framework that perform a service mode switch using the wireless access application, wherein, if a service mode switch from a first service mode to a second service mode occurs, the SDR terminal installs a wireless access application corresponding to the second service mode in one of the first and second hardware modules.Type: GrantFiled: July 24, 2009Date of Patent: May 21, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Eun Seon Cho, Nam Hoon Park
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Publication number: 20130007728Abstract: The present invention relates to a short range wireless communication device for providing an application service based on an area. In particular, an apparatus for providing an application service based on an area in a small cell including a femtocell base station or a WiFi Access Point, the apparatus including a communication unit to receive a list of application services from an Application Service Provisioning Server, select and download at least one application service from the received list, an application service database to store the at least one downloaded application service, a service controller to install the at least one downloaded application service, or uninstall an installed application service, a user equipment access detector to detect a user equipment entering or exiting a service area, and a user equipment database to store an identifier and information of the user equipment entering or exiting the service area.Type: ApplicationFiled: June 29, 2012Publication date: January 3, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Hyeon Ju OH, Chan Yong LEE, Eun Seon CHO, Byung Han RYU, Nam Hoon PARK
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Patent number: 8347318Abstract: An application component communication method and an apparatus using the same are provided to an SCA-based system for efficiently performing data communication between SCA-based application components by using a dynamic connection manager. The application component communication apparatus includes an application module provided in the SCA-based system and driven, an application packaged by a plurality of application components, and an application factory for generating the application and driving the application components by parsing XML files. The dynamic connection manager registers port information of each of the application components, and establishes a connection for data communication between the application components according to the port information. According to the present invention, data communication between the respective application components can be efficiently performed by using the dynamic connection manager.Type: GrantFiled: May 2, 2007Date of Patent: January 1, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Eun-Seon Cho, Sang-Chul Oh, Chan-Yong Lee
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Patent number: 8265643Abstract: Provided is a method and apparatus for avoiding a collision of a preamble in a base station. When a new base station is installed in a mobile communication system and in this instance, an exclusive preamble using a contention-free scheme is employed to avoid a preamble collision, at least one of a code parameter, a time parameter, and a frequency parameter used in a preamble of the new base station may be set to be different from a code parameter, a time parameter, and a frequency parameter used in a preamble of a neighboring cell, whereby it is possible to manage a random access preamble without causing a collision between cells.Type: GrantFiled: August 17, 2010Date of Patent: September 11, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Chan Yong Lee, Eun Seon Cho, Hong Soog Kim, Nam Hoon Park
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Publication number: 20120164952Abstract: An optimization system that minimizes a radio link failure may be provided. In the optimization system, a base station may include a measured data collecting unit to collect wireless environment data measured by a terminal included in a cell, a threshold managing unit to manage a threshold value associated with a radio link failure in a wireless section, an analyzing unit to manage a variable associated with a radio link failure, and to analyze a cause of the radio link failure, and a parameter changing unit to change a parameter value based on an analysis result of the analyzing unit.Type: ApplicationFiled: December 20, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Chan Yong LEE, Eun Seon CHO, Hong Soog KIM, Hyeon Ju OH, Hwan Souk YOO, Nam Hoon PARK
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Publication number: 20120164755Abstract: Nanoparticles with a patterned ligand coat can bind ions selectively. The ligand patterning can arise via self-assembly when two chemically dissimilar (e.g., in size and/or hydrophilicity) ligands are used together. One of the ligands can include one or more moieties capable of interacting with an ion, such as ether oxygens, hydroxyl groups, amine nitrogens, or other groups having a lone pair of electrons. Ion binding can be both selective and reversible.Type: ApplicationFiled: December 28, 2011Publication date: June 28, 2012Applicants: ENI SPA, Massachusetts Institute of TechnologyInventors: Eun Seon Cho, Francesco Stellacci, Pietro Cesti, Raffaella Borrelli
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Publication number: 20110287755Abstract: Provided are a method and an apparatus for power saving of a CSG femto base station in a wireless communication system. A method of controlling a femto base station according to an exemplary embodiment of the present invention includes: a macro base station to which the femto base station belongs to verify whether or not terminals registered in the femto base station exist in a service coverage of the macro base station, verifying an operation mode of the femto base station if at least one of the registered terminals exists in the service coverage of the macro base station on the basis of the verification result; and allowing the macro base station to direct the switching to an active mode to the femto base station when the femto base station operates in a sleep mode on the basis of the verification result.Type: ApplicationFiled: May 20, 2011Publication date: November 24, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Eun Seon CHO, Chan Yong LEE, Hong Soog KIM, Nam Hoon PARK
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Publication number: 20110287756Abstract: Provided are a method and an apparatus for power saving of a femto base station operating as a CSG cell in a wireless communication system. A femto base station according to an exemplary embodiment of the present invention includes: a reception unit receiving signals from adjacent second femto base stations; a transmission unit transmitting signals to second femto base stations, and a control unit controlling to be transitioned to an active mode when a mode transition command is received from at least one second femto base station while operating in a sleep mode, in a wireless communication system constituted by a plurality of femto base stations using automatic neighbor relation (ANR).Type: ApplicationFiled: May 20, 2011Publication date: November 24, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Eun Seon CHO, Chan Yong Lee, Hong Soog Kim, Nam Hoon Park
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Publication number: 20110143684Abstract: Provided is a management apparatus and method for controlling a user-owned communication device for its operation according to a use specification and providing external service. An aspect of the present invention provides a management apparatus and method for operating, by a owner or an external user, a communication device according to a description of a use specification in which an operation plan, a right of access, a range of service provision, and the like are specified, in a use of the communication device owned as a property of a natural or juridical person, and the like.Type: ApplicationFiled: December 14, 2010Publication date: June 16, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Hong Soog KIM, Chan Yong LEE, Eun Seon CHO, Nam Hoon PARK
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Publication number: 20110038279Abstract: An apparatus and method for assigning a Physical Cell Identity (PCI) of a Home eNodeB (HeNB) are provided. The apparatus may distribute PCIs into a plurality of PCI groups, and may enable a PCI group to be assigned to a cell so that the assigned PCI group may be different from a PCI group assigned to a neighboring cell, and that an unassigned PCI in the assigned PCI group may be assigned to an HeNB within a single cell.Type: ApplicationFiled: August 9, 2010Publication date: February 17, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Eun Seon CHO, Chan Yong LEE, Hong Soog KIM, Nam Hoon PARK
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Publication number: 20110039567Abstract: Provided is a method and apparatus for avoiding a collision of a preamble in a base station. When a new base station is installed in a mobile communication system and in this instance, an exclusive preamble using a contention-free scheme is employed to avoid a preamble collision, at least one of a code parameter, a time parameter, and a frequency parameter used in a preamble of the new base station may be set to be different from a code parameter, a time parameter, and a frequency parameter used in a preamble of a neighboring cell, whereby it is possible to manage a random access preamble without causing a collision between cells.Type: ApplicationFiled: August 17, 2010Publication date: February 17, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Chan Yong LEE, Eun Seon CHO, Hong Soog KIM, Nam Hoon PARK
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Publication number: 20100242020Abstract: The present invention relates to a software communications architecture (SCA)-based system, and a file parsing method and an application generation method thereof. In the present invention, the SCA-based system integrates parsers related to application driving into one parser to generate one integration parser, and implements a parser manager that executes an integration parser function by a common object request broker architecture (CORBA) component. Therefore, when the other manager components need information of descriptor files related to application driving, the other manager components request it from the parser manager of the corresponding information without generating a new parser, and the parser manager provides the corresponding information to the other manager components.Type: ApplicationFiled: May 8, 2008Publication date: September 23, 2010Inventors: Eun Seon Cho, Nam Hoon Park
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Publication number: 20100138824Abstract: A Software Communications Architecture (SCA)-based software-defined radio (SDR) terminal and a reconfiguration method thereof are provided. The SDR terminal includes a software module including first and second hardware modules that are programmable and a memory storing at least one wireless access application; and a software module including a reconfiguration core framework that perform a service mode switch using the wireless access application, wherein, if a service mode switch from a first service mode to a second service mode occurs, the SDR terminal installs a wireless access application corresponding to the second service mode in one of the first and second hardware modules.Type: ApplicationFiled: July 24, 2009Publication date: June 3, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Eun seon CHO, Nam Hoon Park
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Patent number: 7680515Abstract: The present invention relates to a service mode switching method based on a software communication architecture (SCA) of a reconfigurable base station system. In an exemplary embodiment of the present invention, first and second service mode software component files are stored and managed by separating the first and second service mode software component files into a common component file used for first and second modes in common and first and second mode individual component files individually used for the first and second modes. When the first mode is established according to an applied request, the first mode individual component file is operated, and the base station in the first mode is operated. When the second mode is established according to another applied request, the operation of the first mode individual component file is stopped.Type: GrantFiled: November 9, 2005Date of Patent: March 16, 2010Assignee: Electronics and Telecommunications Research InstituteInventors: Eun-Seon Cho, Yeon-Seung Shin, Jin-Up Kim
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Publication number: 20080109828Abstract: An application component communication method and an apparatus using the same are provided to an SCA-based system for efficiently performing data communication between SCA-based application components by using a dynamic connection manager. The application component communication apparatus includes an application module provided in the SCA-based system and driven, an application packaged by a plurality of application components, and an application factory for generating the application and driving the application components by parsing XML files. The dynamic connection manager registers port information of each of the application components, and establishes a connection for data communication between the application components according to the port information. According to the present invention, data communication between the respective application components can be efficiently performed by using the dynamic connection manager.Type: ApplicationFiled: May 2, 2007Publication date: May 8, 2008Applicant: Electronics and Telecommunications Research InstituteInventors: Eun-Seon Cho, Sang-Chul Oh, Chan-Yong Lee
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Publication number: 20060128434Abstract: The present invention relates to a service mode switching method based on a software communication architecture (SCA) of a reconfigurable base station system. In an exemplary embodiment of the present invention, first and second service mode software component files are stored and managed by separating the first and second service mode software component files into a common component file used for first and second modes in common and first and second mode individual component files individually used for the first and second modes. When the first mode is established according to an applied request, the first mode individual component file is operated, and the base station in the first mode is operated. When the second mode is established according to another applied request, the operation of the first mode individual component file is stopped.Type: ApplicationFiled: November 9, 2005Publication date: June 15, 2006Inventors: Eun-Seon Cho, Yeon-Seung Shin, Jin-Up Kim