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    • 4. 发明公开
    • 동적 기반의 메시지 전달 방법을 이용한 무선 센서네트워크 및 그 제어방법
    • 无线传感器网络结构及其使用动态消息路由算法的控制方法
    • KR1020090056484A
    • 2009-06-03
    • KR1020070123644
    • 2007-11-30
    • 한국전자통신연구원연세대학교 산학협력단
    • 진광자김봉수표철식채종석황영주김동민김성륜
    • H04L12/28
    • H04B7/2606
    • A wireless sensor network using the dynamic message transmitting method and a control method thereof are provided to improve the throughput per node and remove the necessity of an MAC(Media Access Control) layer by calculating/updating the message relay probability of each sensor node and dynamically determining a node for relaying a message based on the calculated result. A destination node broadcasts a beacon signal to nodes within a network. A transmission node sends a transmission request message to neighboring nodes to select a relay node for relaying a message, receives response messages from the neighboring nodes which determine a response based on the relay probability, and then selects the relay node based on the response messages. The relay node receives the beacon signal, measures the strength of the beacon signal, and then transmits a response message including information about the strength to the transmission node.
    • 提供了使用动态消息发送方法及其控制方法的无线传感器网络,以通过计算/更新每个传感器节点的消息中继概率并动态地消除每个节点的吞吐量并消除MAC(媒体访问控制)层的必要性 基于所计算的结果确定用于中继消息的节点。 目的地节点向网络中的节点广播信标信号。 传输节点向相邻节点发送传输请求消息,以选择用于中继消息的中继节点,从根据中继概率确定响应的相邻节点接收响应消息,然后基于响应消息选择中继节点。 中继节点接收信标信号,测量信标信号的强度,然后将包含关于强度信息的响应消息发送给传输节点。
    • 10. 发明公开
    • 구조물 인식 장치 및 방법
    • 用于识别结构的装置和方法
    • KR1020100066314A
    • 2010-06-17
    • KR1020090045168
    • 2009-05-22
    • 한국전자통신연구원
    • 이경희최현균박정호이승용주인학진광자최완식
    • G06K17/00G06K19/07H04B5/00
    • H04W64/003G06K7/0008G06K7/10386
    • PURPOSE: A device and a method for identifying a structure are provided to move a RFID tag outside the recognition distance of a RFID reader and to recognize the RFID tag, thereby expanding the recognition distance of the RFID reader. CONSTITUTION: An RFID(Radio Frequency Identification System) reader(130) collects management information of a structure through recognition of a RFID tag within a predetermined range. A first receiver(210) controls the first connection device to move the first RFID tag according to the movement command signal of a transmitter(110). The first connection device physically connects the first receiver and the first RFID tag. The first RFID tag transmits the management information of the first structure(200) to the RFID reader.
    • 目的:提供用于识别结构的装置和方法,以将RFID标签移动到RFID读取器的识别距离之外,并识别RFID标签,从而扩大RFID读取器的识别距离。 构成:RFID(射频识别系统)读取器(130)通过在预定范围内识别RFID标签来收集结构的管理信息。 第一接收器(210)控制第一连接装置根据发射器(110)的移动命令信号移动第一RFID标签。 第一连接装置物理地连接第一接收机和第一RFID标签。 第一RFID标签将第一结构(200)的管理信息发送到RFID读取器。