Patents Assigned to Electronics and Telecommunications
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Publication number: 20120201235Abstract: A receiver in a human communication system includes: receiving electrodes including a transmission frame including control frames and data frames; first and second switches connected with the receiving electrodes; a switching control unit controlling a switching of the first and second switches to selectively connect the receiving electrodes with the first and second switches in response to each control frame according to a predetermined rule every time each of the control frames is input; a signal processing unit performing signal processing on the transmission frame output from the first and second switches; a preamble detection unit detecting the first preamble from each of the control frames included in the signal-processed transmission frame to generate preamble correlation values for the first preamble; and a correlation value processing unit controlling the switching control unit to select pairs of final receiving electrodes among the receiving electrodes based on the preamble correlation values.Type: ApplicationFiled: February 8, 2012Publication date: August 9, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: In Gi Lim, Hyung-IL Park, Chang Hee Hyoung, Sung Weon Kang, Jung Hwan Hwang, Tae Wook Kang, Kyung Soo Kim, Jung Bum Kim, Sung Eun Kim, Jin Kyung Kim, Kyung Hwan Park, Byoung Gun Choi, Tae Young Kang
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Publication number: 20120202540Abstract: A method for managing neighbor cell interference comprises: a step of measuring inter-cell interference control information by subframe units; and a step of transmitting the inter-cell interference control information measured by subframe units, to at least one neighbor cell for each of the subframes. The interference management method of the present invention dynamically performs neighbor cell interference management under the condition where neighbor cell interference changes in terms of time, thus improving performance of a system. Further, the interference management method of the present invention maps a wireless resource property pattern to a cell ID. Consequently, the system adopting the method of the present invention exhibits excellent performance in any environment.Type: ApplicationFiled: October 12, 2010Publication date: August 9, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hee Soo Lee, Jae Young Ahn, Nam Hoon Park
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Publication number: 20120201209Abstract: A system for managing resources in a communication system including systems which do not have a permission for a first frequency band includes a coexistence manager configured to, when a frequency band available for the systems is searched from the first frequency band, manage the systems for coexistence and frequency sharing of the systems in the available frequency band; a coexistence enabler configured to transmit and receive information of the systems and information of the coexistence manager; and a coexistence discovery and information server configured to support control of the coexistence manager over the systems, wherein a plurality of coexistence managers are provided to respectively correspond to the plurality of systems, and wherein, among the plurality of coexistence managers, a first coexistence manager performs a negotiation procedure with coexistence managers neighboring to it, on the basis of one of an etiquette mode, a round-robin mode and a competition mode.Type: ApplicationFiled: December 29, 2011Publication date: August 9, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Dong-Hun LEE, Hyunduk KANG
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Patent number: 8239685Abstract: Provided is a biometric authentication method. A biometric authentication method in accordance with an aspect of the present invention includes generating a first one-time authentication template from biometric information using one-time transform information, and requesting authentication, comparing the first one-time authentication template with a one-time registration template, updating the one-time registration template and the one-time transform information when authentication is achieved according to a result of the comparison, wherein the updated one-time transform information is used to generate a second one-time authentication template to be authenticated according to the result of the comparison with the updated one-time registration template when successive authentication is requested.Type: GrantFiled: October 16, 2008Date of Patent: August 7, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Yong Jin Lee, Yun Su Chung, Ki Young Moon
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Patent number: 8237567Abstract: The information managing system includes a first antenna for identifying a first tag included by transportation means, a second antenna for identifying a second tag included by goods, a reader for generating tag information which is identification results generated by respectively identifying the corresponding tags through the first antenna and the second antenna, and a control device for mapping information of the first tag and information of the second tag based on the tag information.Type: GrantFiled: September 25, 2009Date of Patent: August 7, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Hoon Young Koo, Ki Hak Kim, Hong Suk Hu, Jong Heung Park
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Patent number: 8238375Abstract: In a method of transmitting broadcasting information, the broadcasting information is classified into fixed broadcasting information for transmitting to a fixed position of a super-frame and variable broadcasting information to be variably transmitted in the form of a broadcasting message. The fixed broadcasting information may be classified into primary broadcasting information having a short cycle and secondary broadcasting information having a long cycle.Type: GrantFiled: February 27, 2009Date of Patent: August 7, 2012Assignees: Samsung Electronics Co., Ltd, Electronics and Telecommunications Research InstituteInventors: Sung Cheol Chang, Kwang Jae Lim, Jae Sun Cha, Sung Kyung Kim, Chul Sik Yoon
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Patent number: 8238648Abstract: Provided is a camera self-calibration method that calculates a focal length of a fixed zoom lens camera from a correspondence point position between images. In the method, a cost function, which is a function of a focal length, is defined, and a focal length that minimizes the defined cost function is obtained to obtain a focal length that allows 3D recovery results of correspondence points calculated from all image pairs coincide with one another. Therefore, reliability of the calculated focal length can be easily verified, and the focal length of the camera can be stably calculated even when the position of input correspondence point is inaccurately given.Type: GrantFiled: November 27, 2007Date of Patent: August 7, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Jae Chul Kim, Chang Woo Chu, Ho Won Kim, Jeung Chul Park, Ji Young Park, Seong Jae Lim, Bon Ki Koo
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Patent number: 8238820Abstract: Provided is an on-channel repeater, which includes a receiver for receiving radio frequency (RF) signals; a subtractor for subtracting replica from the RF signals to thereby produce output signals of the subtractor; a repeating process unit for performing a repeating process onto the output signals of the subtractor; and a replica generator for calculating replica based on the output signals of the subtractor and the signals obtained after repeating process performed thereon and feeding the replica back to the subtractor.Type: GrantFiled: July 22, 2009Date of Patent: August 7, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Sung-Ik Park, Heung-Mook Kim, Jae-Young Lee, Jae-Hyun Seo, Ho-Min Eum, Yong-Tae Lee, Jong-Soo Lim, Soo-In Lee
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Patent number: 8237592Abstract: Disclosed is a system and method for providing a policy based radio frequency identification service. The system for providing the policy based radio frequency identification service includes a policy vocabulary managing device for generating and managing policy vocabulary based on a policy vocabulary writer's control input, a policy performing resource managing device for generating and managing resource information for performing a radio frequency identification service policy based on a resource designator's control input, a policy rule managing device for generating and managing a policy rule sentence based on a policy user's control input, and a policy rule performing device for performing a radio frequency identification service policy by using a policy rule sentence input based on a policy user's control input.Type: GrantFiled: July 23, 2009Date of Patent: August 7, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Hyochan Bang, Jae Gak Hwang, Cheol Sig Pyo, Hyung Jin Ahn, Kwang Hoon Kim
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Patent number: 8239895Abstract: Provided are a PMCP extended metadata for securing interoperability among devices constituting a digital data broadcasting emitting system, a data stream generating device using the same, a digital data broadcasting emitting system and a digital data broadcasting emitting method. The PMCP extended metadata includes: a channel metadata for providing system information of data events constituting a data broadcasting program; a program and system information protocol (PSIP) data event metadata for providing identification information and program guide of data events; and an advanced television system committee (ACAP) data service metadata for providing encoding information including signaling information and transmission protocol information of data broadcasting contents corresponding to data events.Type: GrantFiled: August 22, 2006Date of Patent: August 7, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Min-Sik Park, Yong-Ho Kim, Jin-Woo Hong
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Publication number: 20120195302Abstract: The present invention relates to a method and apparatus for transceiving data. A method in which a transmitting terminal transmits data to a receiving terminal in a MIMO system according to one embodiment of the present invention comprises the following steps: generating a data field containing the data; generating a signal field containing information on the data field; generating a data frame containing the data field and the signal field; and transmitting the data frame to the receiving terminal. According to the present invention, an end of the frame being transmitted is accurately notified to the receiving terminal in a communication system in which the frame is transmitted using MIMO, thereby decoding the frame in a more efficient manner at the receiving terminal.Type: ApplicationFiled: April 10, 2012Publication date: August 2, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jaewoo PARK, Jong-Ee Oh, Il-Gu Lee, Sok-kyu Lee, Minho Cheong, Jeeyon Choi, Jae-Seung Lee, Yun-Joo Kim
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Publication number: 20120195425Abstract: There is provided a security video transmission apparatus for generating and updating an encryption key by using video data, having a property of a random number which is continuously generated in real time, as random number data in order to generate a key, encrypting the video data using the encryption key, and then transmitting the encrypted video data.Type: ApplicationFiled: December 20, 2011Publication date: August 2, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Young Sae KIM, Yong-Sung Jeon, Moo Seop Kim, Jong-Wook Han, Geonwoo Kim, Jin Hee Han, Hong Il Ju, SuGil Choi, Min-ho Han, Su Wan Park
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Publication number: 20120195292Abstract: Provided is a data transmission system using a carrier aggregation. The data transmission system may assign a radio resource based on a correspondence relationship between a downlink and an uplink, and may transmit data using the assigned radio resource.Type: ApplicationFiled: April 6, 2012Publication date: August 2, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Young Jo KO, Tae Gyun NOH, Kyoung Seok LEE, Bang Won SEO, Byung Jang JEONG, Heesoo LEE
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Publication number: 20120195270Abstract: A system for managing resources in a communication system including systems, which do not have a permission for a first frequency band, includes coexistence managers configured to, when a frequency band available for the systems is searched from the first frequency band, manage the systems for coexistence and frequency sharing of the systems in the available frequency band; a coexistence enabler configured to transmit and receive information of the systems and information of the coexistence managers; and a coexistence discovery and information server configured to support control of the coexistence managers over the systems, wherein the coexistence managers transmit and receive predetermined messages to and from the coexistence discovery and information server and the coexistence enabler, perform channel classification for the first frequency band, and determine operating channels of the systems on the basis of the channel classification.Type: ApplicationFiled: December 29, 2011Publication date: August 2, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hyunduk KANG, Dong-Hun LEE
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Publication number: 20120195269Abstract: A system for managing resources in a communication system including systems, which do not have a permission for a first frequency band, includes coexistence managers configured to, when a frequency band available for the systems is searched from the first frequency band, manage the systems for coexistence and frequency sharing of the systems in the available frequency band; a coexistence enabler configured to transmit and receive information of the systems and information of the coexistence managers; and a coexistence discovery and information server configured to support control of the coexistence managers over the systems, wherein predetermined messages are transmitted and received among the coexistence discovery and information server, the coexistence managers and the coexistence enabler to perform a registration procedure, a coexistence information gathering procedure, a coexistence decision making procedure, a reconfiguration procedure, a management procedure and an event procedure, for the coexistence aType: ApplicationFiled: December 29, 2011Publication date: August 2, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hyunduk KANG, Dong-Hun LEE
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Publication number: 20120195257Abstract: Disclosed herein are a method and an apparatus for transmitting data in a cable network. The transmitter generates upper layer data including multiplexed data of a plurality of subscriber terminals, dividing the upper layer data into a plurality of segment data, performs channel coding on each segment data, extracts information on at least one subscriber terminal included in each segment data to generate subscriber identification signals, inserts the subscriber identification signals into each channel-coded segment data, and modulates and transmits each segment data into which the subscriber identification signals are inserted.Type: ApplicationFiled: January 26, 2012Publication date: August 2, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Young Kwon HAHM, Dong Joon CHOI, Nam Ho HUR
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Publication number: 20120195301Abstract: The present invention relates to a technique relating to a method and apparatus for generating, transmitting, and receiving a data frame having a newly proposed format in a wireless communication system. According to the technique, the method for generating a data frame in a wireless communication system comprises the following steps: generating at least one first subframe; generating at least one second subframe; and generating a data frame including the first and second subframes, wherein the first and second subframes include length information of a MAC protocol data unit (MPDU) contained in the first and second subframes, and the length information of the MPDU contained in the second subframe is zero.Type: ApplicationFiled: April 10, 2012Publication date: August 2, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jeeyon CHOI, Jaewoo Park, Sok-Kyu Lee
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Patent number: 8234492Abstract: Provided are a method, client and system for reservation access to a management server using a one-time password. A generated personal identification number (PIN) is transmitted to the management server when a reservation time comes. The management server generates a random number encrypted using the PIN and transmits the random number to the client. The random number encrypted using the PIN is received, the received random number is encrypted by a symmetric-key algorithm using a client secret key and is transmitted to the management server. The management server receives the random number encrypted using the client secret key, and decrypts the received random number using a server secret key and the PIN. A random number before the encryption using the PIN is compared with a decrypted random number, and access of the client is accepted if the two numbers are identical.Type: GrantFiled: May 7, 2008Date of Patent: July 31, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Dae-Won Kim, Seong-Woon Kim
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Patent number: 8234032Abstract: A method for generating a safe path of a mobile robot includes searching for a whole path from a starting point to a destination point within a map information entered in the robot; extracting information about an expected distance between the robot and a peripheral obstacle when the robot moves along the searched whole path; and correcting the whole path locally using the information about the expected distance from the peripheral obstacle.Type: GrantFiled: June 11, 2009Date of Patent: July 31, 2012Assignees: Electronics and Telecommunications Research Institute, SK Telecom Co., Ltd.Inventors: Jae-Yeong Lee, Wonpil Yu, Yun Koo Chung
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Patent number: 8234698Abstract: An anonymous authentication-based private information management (PIM) system and method are provided. The PIM method includes receiving an anonymous certificate not including user information from an anonymous certification authority; generating an anonymous document including the anonymous certificate and some of the user information; and providing the anonymous document to a web service provider so as to be authenticated and thus provided with a web service by the web service provider. Thus, only a minimum of user information may be provided to the web service provider. In addition, it is possible to strengthen a user's right to self-determination and control over the exposure and use of his or her personal information by allowing a user to manage his or her own personal information or entrusting the PIM server to manage user information. Moreover, it is possible to protect the privacy of a user by preventing the exposure of user information.Type: GrantFiled: May 14, 2009Date of Patent: July 31, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Yun Kyung Lee, Seung Wan Han, Sok Joon Lee, Byung Ho Chung, Jeong Nyeo Kim