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公开(公告)号：KR1020130119725A
公开(公告)日：2013-11-01
申请号：KR1020120042750
申请日：2012-04-24
Applicant: 한국전자통신연구원
CPC classification number: H04W64/003 , G01S5/0036 , G01S5/0252 , G01S5/14 , H04W16/18
Abstract: Disclosed are a method and a device for compensation when estimating the location of a wireless network element from information collected from heterogeneous terminals. A method for estimating the location of a wireless network element is a method realized through a computer, and can include the following steps: a step wherein a wireless network element locating server receives information about the received signal strength of a wireless network element and information about the location of heterogeneous terminals from the heterogeneous terminals; a step of revising the received signal strength information from the heterogeneous terminals into received signal strength information from a predetermined reference terminal by using a pre-generated difference value model for the received signal strength of the wireless network element among the heterogeneous terminals; and a step of estimating the location of the wireless network element by using the revised, received signal strength information from the reference terminal and the received location information. [Reference numerals] (110) Wireless network element;(120) Different type device;(130) Database;(140) Wireless network element positioning server
Abstract translation: 公开了一种在从异构终端收集的信息中估计无线网络元件的位置时的补偿方法和装置。 用于估计无线网元的位置的方法是通过计算机实现的方法，并且可以包括以下步骤：步骤，其中无线网元定位服务器接收关于无线网元的接收信号强度的信息和关于 异构终端的异构终端的位置; 通过使用异构终端之间的无线网元的接收信号强度的预先生成的差值模型，将来自异构终端的接收信号强度信息修改为来自预定参考终端的接收信号强度信息的步骤; 以及通过使用来自参考终端的修改的接收信号强度信息和所接收的位置信息来估计无线网元的位置的步骤。 （110）无线网元;（120）不同类型设备;（130）数据库;（140）无线网元定位服务器
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公开(公告)号：KR1020120054891A
公开(公告)日：2012-05-31
申请号：KR1020100116259
申请日：2010-11-22
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A monitor system which uses a mobile network, a master sensor node and a server device are provided to perform real time monitoring with minimum manpower by autonomously recognizing event generation between the master sensor node and a server. CONSTITUTION: A sensor(100) transmits event information to a sensor node(200) through a wireless channel. A sensor node is connected to the sensor through a wire channel. The sensor comprises a padding sensor buried under the road or underground. The sensor node obtains image information an event generation source and/or azimuth showing the direction of the event generation source. A master sensor node(300) is connected to the sensor node through the wireless channel. A server(400) finally determines whether an event generates or not by utilizing the event information delivered from MSN, the image information and/or statistical data about event generation.
Abstract translation: 目的：提供使用移动网络，主传感器节点和服务器设备的监控系统，通过自主识别主传感器节点和服务器之间的事件生成，以最小的人力来进行实时监控。 构成：传感器（100）通过无线信道将事件信息发送到传感器节点（200）。 传感器节点通过有线通道连接到传感器。 该传感器包括埋在道路或地下的衬垫传感器。 传感器节点获取表示事件生成源的方向的事件生成源和/或方位角的图像信息。 主传感器节点（300）通过无线信道连接到传感器节点。 服务器（400）最终通过利用从MSN发送的事件信息，图像信息和/或关于事件生成的统计数据来确定事件是否产生。
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公开(公告)号：KR1020120051812A
公开(公告)日：2012-05-23
申请号：KR1020100113101
申请日：2010-11-15
Applicant: 한국전자통신연구원
CPC classification number: H04W64/003 , G01S5/0242 , G01S5/14 , G01S11/06 , H04W24/10
Abstract: PURPOSE: A method and an apparatus for estimating a location of an access node are provided to accurately estimate a location of an AP to a measurement point. CONSTITUTION: The strength of a signal which is transmitted from an AP is measured. An imaginary attenuation factor is selected. Distance between the MP and the AP is calculated(S110). A cross point of range circles is calculated(S120). An optimum cross point is calculated(S150). The optimum cross point is estimated to the location of the AP.
Abstract translation: 目的：提供一种用于估计接入节点的位置的方法和装置，用于将AP的位置精确地估计到测量点。 规定：测量从AP发送的信号的强度。 选择虚构衰减因子。 计算MP与AP之间的距离（S110）。 计算出范围圆的交叉点（S120）。 计算最佳交叉点（S150）。 最佳交叉点估计为AP的位置。
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公开(公告)号：KR101087138B1
公开(公告)日：2011-11-25
申请号：KR1020080129422
申请日：2008-12-18
Applicant: 한국전자통신연구원
CPC classification number: Y02D70/00
Abstract: PURPOSE: An energy efficiency increasing method efficiency in a target object tracking sensor network based a prediction is provided to supply in order to reduce an overhead generated due to a history exchange between a sink node and sensor nodes in a sensor network. CONSTITUTION: A transmission node decides the presence of transmission of a current data(S210). The transmission node predicts a current state of the target based on an old data with indicating an old state of a target(S220). The transmission node compares the predicted data and the current data(S230). The transmission node decides the state of the target whether it has within a predictable error range or not. The transmission node decides the presence of transmission of the current data(S212,S240).
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公开(公告)号：KR1020100070567A
公开(公告)日：2010-06-28
申请号：KR1020080129163
申请日：2008-12-18
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A network-based high speed sensor monitoring system using an SPI(Serial Peripheral Interface) communication and a method thereof are provided to perform real time correction and service application about a sensor node. CONSTITUTION: A plurality of network interworking sensor nodes(20) includes a network interworking processor and a sensor node. A plurality of network interworking sensor nodes acquires and transmits sensing information sensed from a sensor through an SPI communication at high speed. A management server(10) keeps and manages a plurality of network interworking sensor nodes by using the sensing information transmitted from a plurality of network interworking sensor nodes.
Abstract translation: 目的：提供使用SPI（串行外设接口）通信的基于网络的高速传感器监控系统及其方法，以对传感器节点执行实时校正和服务应用。 构成：多个网络互通传感器节点（20）包括网络互通处理器和传感器节点。 多个网络互通传感器节点以高速通过SPI通信获取并发送从传感器感测的感测信息。 管理服务器（10）通过使用从多个网络互通传感器节点发送的感测信息来保持和管理多个网络互通传感器节点。
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Patent Agency Ranking
公开(公告)号：KR1020100070566A
公开(公告)日：2010-06-28
申请号：KR1020080129162
申请日：2008-12-18
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A radiational direction control device and method of the miniature sector antenna conveniently are provided to control the capacitance value between earth and the parasitic element by using a plurality of capacitor arrays and switch instead of the varactor diode. CONSTITUTION: A plurality of capacitance blocks(31) correspond to a plurality of parasitic elements(12) one by one. Capacitance blocks are commonly connected to the parasitic element coping with. Capacitance blocks are comprised of a plurality of capacitors having the different capacitors. A plurality of switching units(32) correspond to the capacitance blocks. The switching units comprises a plurality of selection contact points connected to the other end of the capacitors and fixed point.
Abstract translation: 目的：方便地提供微型扇形天线的辐射方向控制装置和方法，以通过使用多个电容器阵列和开关代替变容二极管来控制接地和寄生元件之间的电容值。 构成：多个电容块（31）逐个对应于多个寄生元件（12）。 电容块通常连接到应对的寄生元件。 电容块由具有不同电容器的多个电容器组成。 多个开关单元（32）对应于电容块。 开关单元包括连接到电容器和固定点的另一端的多个选择触点。
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公开(公告)号：KR100937874B1
公开(公告)日：2010-01-21
申请号：KR1020070132714
申请日：2007-12-17
Applicant: 한국전자통신연구원
IPC: H04L12/28
CPC classification number: H04W40/246 , H04L45/02 , H04L45/48 , H04L63/0435 , H04L63/06
Abstract: 본 발명은 대칭키 기반의 키 관리가 필요한 센서 네트워크 환경에서 기존의 트리 라우팅을 확장하여 효율적이고 안전한 키 관리를 할 수 있는 라우팅 방법을 개시한다.
본 발명은 역경로설정 메시지를 각 센서노드가 싱크노드로 전송하여 역 트리 라우팅 경로를 설정할 수 있기 때문에, 확장 트리 라우팅을 통해 안전한 센서 네트워크를 구현하고자 하는 사용자에게 싱크노드와 센서노드들 사이의 양방향 통신을 지원함으로써, 효율적이고 안전한 키 관리 메카니즘과 통신환경을 제공할 수 있게 된다.
트리 라우팅, Pairwise 키, 라우팅 테이블-
公开(公告)号：KR100932915B1
公开(公告)日：2009-12-21
申请号：KR1020070128225
申请日：2007-12-11
Applicant: 한국전자통신연구원
IPC: H01Q3/00
Abstract: 본 발명에 의한 방사방향 제어장치 및 방법은, 안테나; 상기 안테나의 주변에 위치하며 각각은 미리 마련된 접지면에 대해 평행한 정도가 상이한 부분들로 구성된 기생 소자들; 상기 부분들 각각마다 마련되며 각각의 리엑턴스가 가변적인 집중회로 소자들; 및 상기 집중회로 소자들 각각의 리엑턴스를 조절하여 상기 안테나의 방사 방향을 결정하는 결정부를 제안함으로써, 안테나의 방사 방향을 보다 다양하게 제어하기 위한 기술적 구성을 제안한다.
안테나, 기생 소자, 리엑턴스Abstract translation: 提供了一种用于控制辐射方向的设备和方法。 该装置包括设置在天线附近的寄生元件，其中每个寄生元件包括天线; 第一部分，所述第一部分相对于准备好的地面以第一角度倾斜;以及第二部分，所述第二部分相对于所述第一部分以第二角度倾斜; 具有可变电抗的集总元件，其布置在所述第一部分和所述第二部分中的每一个上; 以及确定单元，控制集总元件的电抗以确定天线的辐射方向。 通过使用该装置和方法，天线具有各种辐射方向。
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公开(公告)号：KR1020090065228A
公开(公告)日：2009-06-22
申请号：KR1020070132706
申请日：2007-12-17
Applicant: 한국전자통신연구원
IPC: H04L12/28
CPC classification number: G01S5/0289 , G01S5/18 , H04W64/00
Abstract: A method for recognizing positions of multiple nodes which configures a wireless sensor network is provided to adjust an integration order of a sub map through information of connectivity of nodes to correct positions of the nodes, thereby exactly recognizing the positions of the nodes. A sub map with a node having the highest connectivity as a reference except nodes which are references of selected sub maps among nodes included in the selected sub maps is selected(200~220). The selected sub maps are integrated into one map by corresponding nodes commonly included in the selected sub map to the same nodes(230). Positions of the nodes included in the integrated map are corrected to real positions(270).
Abstract translation: 提供了一种用于识别配置无线传感器网络的多个节点的位置的方法，以通过节点的连通性的信息来调整子映射的集成顺序以校正节点的位置，从而精确地识别节点的位置。 选择具有连接性最高的节点作为参考的子图，除了作为所选子图中包含的节点之间的所选子图的参考的节点之外，选择（200〜220）。 所选择的子图通过所选择的子图中通常包括在相同节点（230）中的相应节点集成到一个地图中。 包含在积分图中的节点的位置被校正为实际位置（270）。
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公开(公告)号：KR1020090065141A
公开(公告)日：2009-06-22
申请号：KR1020070132596
申请日：2007-12-17
Applicant: 한국전자통신연구원
Abstract: A transceiving method and a transceiving apparatus for a wireless sensor network security are provided to improve adaptability about various wireless network systems by properly controlling a size of a generation matrix for secrecy of data according to a request performance of a system and a channel environment of a wireless network. A block code generating part(110) generates a SPC(Signal Protection Code) by using source information and destination information. The block code generating part converts a selected block code generation matrix by using the generated SPC. A block code encoding part(130) forms a code word by coding the inputted data. A modulating part(150) orthogonally symbolizes the generated code word into O-QPSK(Offset Quadrature Phase Shift Keying). A spreading part(170) spreads the orthogonal symbol in a DSSS(Direct Sequence Spread Spectrum).
Abstract translation: 提供用于无线传感器网络安全的收发方法和收发装置，以通过根据系统的请求性能和系统的信道环境适当地控制用于数据保密的生成矩阵的大小来提高对各种无线网络系统的适应性 无线网络。 块代码生成部（110）通过使用源信息和目的地信息生成SPC（信号保护码）。 块代码生成部通过使用生成的SPC来转换所选择的块代码生成矩阵。 块编码部分（130）通过对输入的数据进行编码来形成码字。 调制部分（150）将所生成的码字正交地符号化成O-QPSK（偏移正交相移键控）。 扩展部分（170）在DSSS（直接序列扩频）中扩展正交符号。
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