Patents Assigned to Electronics and Telecommunications
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Publication number: 20120159215Abstract: A network power management apparatus and method. The network power management apparatus includes a protocol management unit configured to be connected to a local communication apparatus and establish and manage a path between the local communication apparatus and neighboring communication apparatuses in the same network.Type: ApplicationFiled: December 15, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Ki-Won KIM, Ho-Young SONG
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Publication number: 20120155403Abstract: Provided is transmitting and receiving apparatus and a channel compensation method in a wireless communication system based on Orthogonal Frequency Division Multiplexing (OFDM) in a wireless communication system. The receiving apparatus in the wireless communication system according to an embodiment of the present invention includes first and second estimators, an interference canceller, and a determination unit. The first estimator estimates an interference quantity detecting an interference in a received signal, the second estimator estimates a Signal-to-Noise Ratio (SNR) with the exception of a noise quantity corresponding to the estimated interference quantity. The interference canceller cancels the interference from the receiving signal. And a determination unit controls the operation of the interference canceller based on at least one of the estimated interference quantity and the estimated SNR.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventor: Jun Hwan LEE
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Publication number: 20120155305Abstract: Provided is an apparatus and method for tracking a position of a fixed node. The position tracking apparatus of the fixed node may include: an interface to extract, from a database in response to the occurrence of an event about tracking the position of the fixed node, packet data corresponding to a mobile node associated with the event; and a processor to analyze a received signal strength of the packet data and a position of the mobile node from the packet data, and to track the position of the fixed node using the analysis result.Type: ApplicationFiled: December 15, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jong Jun PARK, Seung Mok YOO, Nae Soo KIM, Cheol Sig PYO
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Publication number: 20120155711Abstract: Disclosed are an apparatus and a method for analyzing a video. The video analyzing apparatus includes a route analyzing unit configured to analyze a subject of a first-person view video and an object represented in the first-person view video based on the first-person view video and generate route information of the subject and the object; and an event analyzing unit configured to classify the first-person view video as a semantic event using the route information.Type: ApplicationFiled: December 16, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Sahngwon RYOO, Jae Yeong LEE, Sung Lok CHOI, Won Pil YU
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Publication number: 20120155404Abstract: Provided are a data transmission method for a detached machine type communication (MTC) device and a mobile communication system providing an MTC service. The method includes sensing an MTC device performing a detachment procedure from a network, when the MTC device being detached is sensed, storing, at a first gateway (GW), context information about the MTC device being detached from the network, storing, at the detached MTC device, context information that has been lastly allocated and used before the detachment, receiving, at the first GW, downlink data transmitted from an MTC server to the detached MTC device, and buffering the received data, transmitting a paging message to the detached MTC device, and performing, at the MTC device receiving the paging message, an attachment process to the network, and receiving the DL data buffered in the first GW.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jae Wook SHIN, Ae Soon PARK
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Publication number: 20120158830Abstract: Disclosed herein are an apparatus and method for generating virtual game clients. The apparatus includes a description grammar module, a description generation module, and a client generation and control module. The description grammar module includes a game packet description grammar. The description generation module generates a game protocol description corresponding to the structure of a packet protocol of a game and a game protocol sequence description corresponding to the relationship of transmission and reception between packets, based on the game packet description grammar. The client generation and control module generates a virtual game client using the game protocol description and the game protocol sequence description.Type: ApplicationFiled: December 21, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Su-Young BAE, Hang-Kee Kim, Chang-Joon Park
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Publication number: 20120158276Abstract: Disclosed herein is a vehicle driving information provision apparatus installed in a vehicle and configured to include a communication unit, a location information collection unit, a control unit and a warning delivery unit. The communication unit receives vehicle driving information from a server installed on a roadside, the vehicle driving information corresponding to a managing section of the server. The location information collection unit collects vehicle location information, including information about latitude, longitude and direction of the vehicle. If the vehicle driving information corresponds to a traffic situation that has occurred ahead of the vehicle based on the vehicle location information, the control unit determines whether the traffic situation is a dangerous situation using the vehicle driving information.Type: ApplicationFiled: October 24, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hyun-Suk KIM, Hae Sook JEON, Jeong Ah JANG, Jong-Woo CHOI, Dae-Sub YOON, Kyong-Ho KIM
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Publication number: 20120158734Abstract: A data management apparatus includes an index generation unit configured to subdivide an entire interval of data into bucket intervals, allocate indices for the respective bucket intervals, transform the bucket intervals having the allocated indices into bucket intervals of specific lengths, and generate bucket-based indices for pieces of data included in the bucket intervals of the specific lengths. The data management apparatus further includes a data management unit configured to transmit the encrypted data and the bucket-based indices to a server-side data management apparatus in order to store the encrypted data, transmit a user query to the server-side data management apparatus in order to search for a desired encrypted data, and decrypt encrypted data corresponding to the user query from the server-side data management apparatus. The user query includes the index of first bucket interval and the index of second bucket interval neighboring to the first bucket interval.Type: ApplicationFiled: December 16, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Ku Young CHANG, Nam-Su JHO, Taek Young YOUN, Do Won HONG
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Publication number: 20120155745Abstract: Disclosed herein is an apparatus and method for extracting correspondences between aerial images. The apparatus includes a line extraction unit, a line direction determination unit, a building top area extraction unit, and a correspondence extraction unit. The line extraction unit extracts lines corresponding buildings from aerial images. The line direction determination unit defines the directions of the lines as x, y and z axis directions based on a two-dimensional (2D) coordinate system. The building top area extraction unit rotates lines in the x and y axis directions so that the lines are arranged in parallel with the horizontal and vertical directions of the 2D image, and then extracts building top areas from rectangles. The correspondence extraction unit extracts correspondences between the aerial images by comparing the locations of the building top areas extracted from the aerial images.Type: ApplicationFiled: December 14, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Il-Kyu PARK, Chang-Woo Chu, Young-Mi Cha, Bon-Ki Koo
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Publication number: 20120154134Abstract: A button for providing visual-haptic information includes a visual-haptic variable button that adaptively provides various types of visual-haptic information according to input of information to an electronic apparatus. The visual-haptic variable button includes a visual information output part that adaptively changes various types of button icons according to manipulation and touch of the visual-haptic variable button for the input of information, thereby outputting visual information, and a haptic information output part that adaptively changes various types of sense of button manipulation and sense of button touch according to the manipulation and touch of the visual-haptic variable button, thereby outputting haptic information. At least one visual-haptic variable button is provided in the electronic apparatus for the input of information.Type: ApplicationFiled: November 23, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jeong-Mook LIM, Ki-Uk KYUNG, Hee-Sook SHIN, Dong-Woo LEE, Yo-An LIM
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Publication number: 20120154441Abstract: A system includes a head front display device, an eye position tracking camera to track movement of a driver's irises, a front view camera to take a picture of a front view of the driver, a head front display device controller to implement at least one of an angle change, forward movement, backward movement, upward movement, downward movement, leftward movement, and rightward movement of the head front display device, an image adjuster to adjust an object displayed on the head front display device in association with an object of an actual view seen through the front window of the vehicle based on positions of the driver's irises obtained through the eye position tracking camera and an image of the front view obtained by the front view camera, and a display unit controlled by the image adjuster and configured to display information on the head front display device.Type: ApplicationFiled: December 14, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventor: Jin Woo Kim
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Publication number: 20120155306Abstract: A base station measures an amount of traffic within a downlink buffer. If the measured amount of traffic is larger than a threshold value, the base station adjusts a ratio of an available interval and an unavailable interval according to a ratio of the amount of traffic against the threshold value and length of a superframe. If the measured amount of traffic is smaller than the threshold value, the base station adjusts a ratio of the available interval and the unavailable interval according to a ratio of the threshold value against the amount of traffic and length of the superframe.Type: ApplicationFiled: December 15, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Won-Ik KIM, Woo-Goo PARK, Pyeong Jung SONG, Gyung-chul SIHN, Jin Ho HAHM
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Publication number: 20120159161Abstract: An authentication apparatus for a non-real-time IPTV system decrypts a first encrypted value included in a contents request message received from a device using a preset session key, and then verifies the validity of the contents request message. If the verification results of the contents request message are valid, the authentication apparatus encrypts a variation between timestamps of the authentication apparatus and the device using the session key, and then generates a second encrypted value. After verification information by which the device is capable of verifying the authentication apparatus has been generated using the second encrypted value, the authentication apparatus sends verification information, together with contents corresponding to the contents request message, to the device.Type: ApplicationFiled: June 28, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Dae-Hee SEO, Hyeok-Chan KWON, Seung-Min LEE, Yong-Hyuk MOON, Jae-Hoon NAH, Taek-Yong NAM, Dong-Il SEO
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Publication number: 20120159310Abstract: A method for converting a mobile web application into a native application (the term “app” has the same meaning as the native application) and an apparatus using the method are disclosed. The method for converting a mobile web application into a native application may include: the steps of receiving at least one of a web implementation document that implements the mobile web application and a uniform resource locator (URL) for a local file; separating and analyzing a user interface element of the mobile web application based on the at least one of the web implementation document and the local file; and converting the mobile web application into the native application by mapping the analyzed user interface element to a native control that implements the native application.Type: ApplicationFiled: December 14, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Yoon-Seop CHANG, Seong Ho Lee, Jae Chul Kim, Kyung Ok Kim, Chang Rak Yoon, Hak Cheol Kim, Ki Jung Lee, Sung Woong Shin
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Publication number: 20120157051Abstract: Disclosed is a method for controlling access of subscribers of a gateway in a communication system supporting a femto cell, the method including: by user equipment (UE), receiving a first access request message, which makes a request to access a femto base station (BS), from the femto BS; directly acquiring a business subscriber database (DB), which includes a list of UE admittable to access the femto BS, from a DB module; and determining whether to admit the access of the UE on the basis of the business subscriber DB, wherein the determining whether to admit the access of the UE includes admitting the access of the UE if a user equipment identifier (UE ID) for identifying the UE is included in the list of UE.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hyung Deug BAE, Nam Hoon PARK
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Publication number: 20120155352Abstract: Provided is a method of classifying and thereby providing various types of communication devices in a wireless local area communication network. More particularly, provided is a method that may provide an end device for efficient data communication. A parent device of an end device not supporting a sleep mode may transfer data without waiting for a polling operation of the end device.Type: ApplicationFiled: December 13, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hoon JEONG, Nae Soo Kim
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Publication number: 20120155269Abstract: The present invention provides a lightweight multicast method and apparatus for a data distribution service. The lightweight multicast apparatus includes a network congestion detection unit for multicasting packets to a plurality of subscriber node terminals, and detecting a cause of network congestion using a negative response message transferred from a relevant subscriber node terminal that could not receive the packets among the plurality of subscriber node terminals. A network recovery control unit determines a recovery control policy depending on the cause of the congestion detected by the network congestion detection unit, and solves the cause of the congestion.Type: ApplicationFiled: December 19, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Kyeong-Tae KIM, Soo-Hyung Lee, Hyung-Kook Jun, Jae-Hyuk Kim, Won-Tae Kim, Seung-Min Park
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Publication number: 20120159622Abstract: A method for generating an adaptive security model includes: generating an initial security model with respect to data input via an Internet during a learning process; and continuously updating the initial security model by applying characteristics of the input data during an online process. Said generating an initial security model includes: matching the input data with a unit having a weight vector with distance closest to the input data using a first unsupervised algorithm; generating a map composed of weight vectors of units; and performing a second unsupervised algorithm using the weight vectors forming the map as input values to partition an attack cluster.Type: ApplicationFiled: December 12, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventor: Seungmin LEE
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Publication number: 20120159497Abstract: Provided is an adaptive process scheduling method for embedded Linux. The adaptive process scheduling method includes calculating a central processing unit (CPU) occupancy time of each of one or more processes, determining whether or not it is necessary to perform adaptive process scheduling, calculating a predetermined weight to be applied to the CPU occupancy time of each process when it is determined that it is necessary to perform adaptive process scheduling, and applying the predetermined weight and updating the CPU occupancy time of each process when it is determined that it is necessary to perform adaptive process scheduling. Accordingly, the adaptive process scheduling method can improve the performance by omitting an unnecessary context exchange compared to the related art and can dynamically cope with an abrupt increase in the number of processes.Type: ApplicationFiled: December 15, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Dong Hyouk LIM, Yung Joon JUNG, Chae Deok LIM
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Publication number: 20120159623Abstract: A method for monitoring and processing domain name system (DNS) query traffic includes: monitoring DNS query traffic in each time slot during a monitoring period comprised of n number of time slots; extracting traffic information during the monitoring period by using the DNS query traffic monitored in said each time slot; and analyzing the extracted traffic information to detect a DNS traffic flooding attack.Type: ApplicationFiled: December 14, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventor: Yang-Seo CHOI