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公开(公告)号：KR100867990B1
公开(公告)日：2008-11-10
申请号：KR1020060124120
申请日：2006-12-07
Applicant: 한국전자통신연구원
IPC: H04L12/28
Abstract: 본 발명은 비컨충돌 방지를 위한 비컨 스케쥴링 시스템 및 방법에 관한 것으로, 특정한 타임슬롯에 따른 비컨 슬롯번호를 보유하고 비컨을 전송하는 라우터를 포함하는 지그비 네트워크에서, 특정한 타임슬롯에 따른 비컨간격을 주기로 하여 비컨을 전송하는 제1라우터 및 상기 제1라우터가 전송하는 비컨을 스캔하여 상기 비컨간격을 파악하고, 데이터를 전송하는 슈퍼프레임 구간을 고려하여 상기 비컨간격 내에서 비컨을 전송하는 제2라우터로 구성되어, 센서네트워크의 라우터가 동작할 때 비컨 전송 시점을 효율적으로 선택하고 싱크노드가 라우터들의 전체 비컨 충돌을 관리함으로써 안정적이고 에너지 소모가 적으면서 성능이 우수한 비컨모드의 센서 네트워킹 환경을 구축할 수 있게 된다.
ZigBee네트워크, 비컨충돌, 라우터, 비컨슬롯-
公开(公告)号：KR100842260B1
公开(公告)日：2008-06-30
申请号：KR1020060110167
申请日：2006-11-08
Applicant: 한국전자통신연구원
CPC classification number: H04L67/1002
Abstract: 본 발명은 센서 네트워크 상에서 각 센서 노드들에 의한 독립적 클러스터 구성 방법에 관한 것으로, 임의의 각 센서 노드들이 클러스터 정보 및 클러스터 멤버쉽의 부여 권한을 가지고 있어 각각이 클러스터 반경 내에 존재하는 비 클러스터 멤버인 센서 노드들을 판단하여 클러스터의 멤버로 포함시키므로 독립적으로 클러스터를 구성하는 방법에 관한 것이다. 상기 클러스터의 멤버가 된 센서 노드는 클러스터의 응용 프로그램을 무선으로 전송받아 업그레이드를 수행하게 된다. 이에 따라 초기 센서 노드의 설정 이후에는 자동으로 클러스터가 구성되고 개별 클러스터에 맞는 프로그램을 인간의 개입 없이 업그레이드할 수 있게 된다.
센서 네트워크(sensor network), 센서 노드, 무선업그레이드, 클러스터(cluster), 멤버쉽, 권한 키-
公开(公告)号：KR100805820B1
公开(公告)日：2008-02-21
申请号：KR1020060095566
申请日：2006-09-29
Applicant: 한국전자통신연구원
Abstract: A method for managing node faults in a sensor network and a fault generation report apparatus for the same are provided to determine a type and class of the node fault generated in a node configuring the sensor network and report the determination result to an upper node, so that an upper system is able to effectively manage the node faults and grasp a state of the sensor network. A node fault processor(224,226,228) determines a fault ID(Identification) indicating a type of a fault and a fault class showing a degree of the fault when a frequency of faults generated in a node is bigger than a predetermined frequency. A message generator(222) generates a fault report message including the determined fault ID and fault class, and transmits the generated fault report message to an upper node. A memory(230) stores matching information of the fault glass and the degree of the node faults.
Abstract translation: 提供了一种用于管理传感器网络中的节点故障的方法和用于其的故障生成报告装置，以确定在构成传感器网络的节点中生成的节点故障的类型和类别，并将确定结果报告给上层节点，因此 上层系统能够有效地管理节点故障并掌握传感器网络的状态。 节点故障处理器（224,226,228）确定当节点中产生的故障频率大于预定频率时，指示故障类型的故障ID（Identification）和显示故障程度的故障等级。 消息生成器（222）生成包括所确定的故障ID和故障类别的故障报告消息，并将生成的故障报告消息发送到上位节点。 存储器（230）存储故障玻璃的匹配信息和节点故障的程度。
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公开(公告)号：KR100789914B1
公开(公告)日：2008-01-02
申请号：KR1020060095567
申请日：2006-09-29
Applicant: 한국전자통신연구원
IPC: H04B7/26
CPC classification number: H04W64/00 , H04W84/18 , G01S5/0027
Abstract: A location recognition method selectively using a neighbor node having fewer fault factors and a node apparatus using the same are provided to exactly recognize the location of a node by selectively using a node having less fault factors for triangulation in a sensor network. If a target node for location recognition is selected(S1001), the target node selects an anchor node having the nearest estimation distance as the initial reference node(S1002). Then the target node selects a node having the nearest estimation distance, next to the initial reference node, as a test node(S1003). Then the target node selects a representative reference node to judge whether the test node can be added as a reference node(S1004). The representative reference node estimates the distance(Rij) from the test node using RSS(Received Signal Strength) or ToA(Time of Arrival), and acquires the actual distance(Lij) from the test node using its own coordinates and the coordinates of the test node(S1005). The representative reference node obtains the absolute of "Rij - Lij" using the acquired distance information and judges whether the obtained value is within the range of an allowable error(S1006). In case the obtained value is within the range of the allowable error, the representative reference node notifies the target node of it, and also transmits the actual distance information(Lij). The target node estimates the distances(Ri) from the representative reference node and the distance(Rj) from the test node using RSS or ToA(S1008). Then the target node obtains the absolute of "Ri + Rj - Lij" and judges whether the obtained value meets a threshold(S1009). If so, the target node adds the test node as a reference node(S1010). If searching is completed for all the neighbor anchors, the target node acquires exact location information by executing triangulation using selected reference nodes(S1012).
Abstract translation: 提供了选择性地使用具有较少故障因素的相邻节点的位置识别方法和使用该位置识别方法的节点装置，以便通过选择性地使用传感器网络中具有较少故障因子的节点进行三角测量来精确地识别节点的位置。 如果选择了用于位置识别的目标节点（S1001），则目标节点选择具有最近估计距离的锚节点作为初始参考节点（S1002）。 然后，目标节点选择在初始参考节点旁边具有最接近的估计距离的节点作为测试节点（S1003）。 然后，目标节点选择代表参考节点来判断是否可以添加测试节点作为参考节点（S1004）。 代表参考节点使用RSS（接收信号强度）或ToA（到达时间）估计来自测试节点的距离（Rij），并且使用其自身的坐标和测试节点的坐标来获取来自测试节点的实际距离（Lij） 测试节点（S1005）。 代表性参考节点使用所获得的距离信息获得“Rij-Lij”的绝对值，并判断所获得的值是否在容许误差的范围内（S1006）。 在获得的值在允许误差的范围内的情况下，代表性参考节点通知目标节点，并发送实际距离信息（Lij）。 目标节点从代表性参考节点估计距离（R i）和使用RSS或ToA的测试节点的距离（Rj）（S1008）。 然后目标节点获得“Ri + Rj-Lij”的绝对值，并判断所获得的值是否满足阈值（S1009）。 如果是，则目标节点将测试节点添加为参考节点（S1010）。 如果对所有邻居锚点的搜索完成，则目标节点通过使用所选择的参考节点执行三角测量来获取精确位置信息（S1012）。
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公开(公告)号：KR100785794B1
公开(公告)日：2007-12-13
申请号：KR1020060090146
申请日：2006-09-18
Applicant: 한국전자통신연구원
Abstract: A node for location recognition, a cluster formation method using the node, and a location recognition method are provided to enable nodes disposed in an environment where a lot of obstacles exist to form clusters by themselves, and to enable a node which requires location recognition to find out a self cluster as using triangulation inside the found cluster, thus more exact location recognition is available. A location information message unit(110) receives more than one location information message including information indicative of spatial locations within a sensor network from more than one neighboring node existing in the sensor network. A distance value calculator(120) individually calculates the first distance value with the neighboring nodes based on more than one piece of location information included in the location information messages and the second distance value with the neighboring nodes based on one of transmission speed and transmission strength of the messages. A cluster forming unit(130) forms clusters with plural neighboring nodes in which a difference between the first and second distance values is smaller than a predetermined threshold value.
Abstract translation: 提供了一种用于位置识别的节点，使用该节点的聚类形成方法和位置识别方法，以使能够存在许多障碍物的环境中的节点自身形成聚类，并且能够使需要位置识别的节点 找到一个自我集群，使用发现的集群内的三角测量，从而更准确的位置识别是可用的。 位置信息消息单元（110）从存在于传感器网络中的多于一个的相邻节点接收多于一个位置信息消息，其包括指示传感器网络内的空间位置的信息。 距离值计算器（120）基于包括在位置信息消息中的多于一个位置信息和与相邻节点的第二距离值基于传输速度和传输强度之一来单独地计算与相邻节点的第一距离值 的消息。 簇形成单元（130）形成具有多个相邻节点的簇，其中第一和第二距离值之间的差小于预定阈值。
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Patent Agency Ranking
公开(公告)号：KR100749824B1
公开(公告)日：2007-08-17
申请号：KR1020060095561
申请日：2006-09-29
Applicant: 한국전자통신연구원
Abstract: A sensor data managing method for low power in a sensor network is provided to define an existed previous measurement value as the current measurement value of the sensor data when the current measurement value of the sensor data and the existed previous measurement value are same within an error range, thereby effectively transmitting data and reducing power consumption. A sensor data managing method for low power in a sensor network comprises the following steps of: determining whether the current measurement value of the sensor data and an existed previous measurement value are same when the sensor data is measured(S102); transmitting a signal for indicating the determined result(S103); and storing the previous measurement value in a node table and renewing time stamp of the node table when the signal indicates that the current measurement value of the sensor data and the existed previous measurement value are same is received(S104).
Abstract translation: 提供一种传感器网络中低功率的传感器数据管理方法，用于当传感器数据的当前测量值与以前的测量值在误差内相同时，将之前存在的测量值定义为传感器数据的当前测量值 范围，从而有效传输数据并降低功耗。 一种传感器网络中低功耗的传感器数据管理方法，包括以下步骤：判断传感器数据的当前测量值与以前的测量值是否相同时（S102）; 发送用于指示所确定的结果的信号（S103）; 并且当所述信号指示所述传感器数据的当前测量值与所述先前测量值相同时，将所述先前测量值存储在节点表中并且更新所述节点表的时间戳（S104）。
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公开(公告)号：KR100747551B1
公开(公告)日：2007-08-08
申请号：KR1020060109123
申请日：2006-11-06
Applicant: 한국전자통신연구원
Abstract: A topology management method of a sensor network using a topology management table is provided to enable a sink node to receive a report on topology information through communication between parent and child nodes and manage topology information of the sensor network, thereby efficiently maintaining/managing the topology information of the sensor network which is continuously changed. If a new child node is added to a parent node, a child node ID is allocated to the added child node, and the child node and the parent node individually generate topology management tables(200). The parent node reports changed topology information to a sink node from the topology management table(210,220). The sink node compares the reported topology information with the overall topology information. If a parent node of sibling of the added child node is different from the existing parent node of the overall topology information, deletion information of the added child node is notified to the existing parent node.
Abstract translation: 提供一种利用拓扑管理表的传感器网络的拓扑管理方法，使汇聚节点能够通过父节点和子节点之间的通信接收拓扑信息的报告，并管理传感器网络的拓扑信息，从而有效地维护/管理拓扑 传感器网络的信息不断变化。 如果将新的子节点添加到父节点，则将子节点ID分配给所添加的子节点，并且子节点和父节点分别生成拓扑管理表（200）。 父节点从拓扑管理表（210,220）将改变的拓扑信息报告给汇聚节点。 汇聚节点将报告的拓扑信息与整体拓扑信息进行比较。 如果添加的子节点的兄弟节点的父节点与整体拓扑信息的现有父节点不同，则将添加的子节点的删除信息通知给现有的父节点。
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公开(公告)号：KR100540892B1
公开(公告)日：2006-01-10
申请号：KR1020000003183
申请日：2000-01-24
IPC: H04L12/931 , H04L12/801 , H04L12/24 , H04L12/70
Abstract: 본 발명은, 분산 환경에서 ATM 망에 연결된 프레임 릴레이 망과 기 설정된 다수의 연결설정 시스템간에 접속되어, 상기 다수의 연결설정 시스템 중 특정 연결설정 시스템의 요구에 따라 상기 프레임 릴레이 망과 상기 ATM 망의 연결을 제어하는 게이트웨이 시스템으로서, 상기 게이트웨이 시스템은, 상기 특정 연결설정 시스템으로부터 제공되는 연결설정 명령 및 특정 양 단 점에 관한 정보를 전달받아, 상기 프레임 릴레이 망 내의 연동 점이 구성되어 있는 프레임 릴레이 교환기에 상세 설정정보를 제공하고, 그 설정에 대응하는 결과를 상기 연동 점이 구성되어 있는 프레임 릴레이 교환기로부터 받아 상기 특정 연결설정 시스템으로 넘겨주는 것을 특징으로 한다.
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公开(公告)号：KR1020020051615A
公开(公告)日：2002-06-29
申请号：KR1020000081015
申请日：2000-12-23
IPC: H04L12/24
CPC classification number: H04L47/16 , H04L12/4604 , H04L41/50
Abstract: PURPOSE: A method for detecting and correcting the management information of a frame relay network in a super speed information communication integrated network management system is provided to guarantee the integrity of data by executing an information correction processing scheme through a frame relay network management gateway system for inconsistent frame relay subscriber and PVC connection information. CONSTITUTION: A service management system(101) consists of a subscriber management system and a resource management system. The subscriber management system executes a subscription business associated function for subscribers. The resource management system manages physical or logical resources. A frame relay network(103) comprises local network operating systems(105) and a frame relay network management system(104). The frame relay network management system(104) connects all the local network operating systems(105) and executes a monitoring function for them. A frame relay network management gateway system(102) executes a protocol conversion function between the service management system(101) and the frame relay network management system(104).
Abstract translation: 目的：提供一种用于检测和校正超级速度信息通信综合网络管理系统中的帧中继网络的管理信息的方法，通过帧中继网络管理网关系统执行信息校正处理方案来保证数据的完整性， 不一致的帧中继用户和PVC连接信息。 构成：服务管理系统（101）由用户管理系统和资源管理系统组成。 订户管理系统为订户执行预订业务相关功能。 资源管理系统管理物理或逻辑资源。 帧中继网络（103）包括本地网络操作系统（105）和帧中继网络管理系统（104）。 帧中继网络管理系统（104）连接所有本地网络操作系统（105），并为其执行监控功能。 帧中继网络管理网关系统（102）在服务管理系统（101）和帧中继网络管理系统（104）之间执行协议转换功能。
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