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    • 74. 发明申请
    • APPARATUS AND METHOD FOR ASSIGNING TIME SLOT FOR TRANSMITTING BEACON IN WIRELESS SENSOR NETWORK
    • 用于在无线传感器网络中发送信标的时间轴分配装置和方法
    • US20090122778A1
    • 2009-05-14
    • US12176800
    • 2008-07-21
    • Jongyoung LeeHoon JeongJong-Oh LeeBong Soo KimCheol Sig Pyo
    • Jongyoung LeeHoon JeongJong-Oh LeeBong Soo KimCheol Sig Pyo
    • H04J3/00
    • H04W72/02H04W72/06H04W84/18
    • A method and an apparatus for assigning a time slot for transmitting a beacon in a wireless sensor network operated in a beacon mode are provided. In the method and apparatus for assigning a time slot according to the present invention, the total time slots assigned to the network are divided into N blocks and a node to which a time slot is exclusively assigned, among nodes to which a specific node is capable of directly and wirelessly transmitting, is selected as a parent node, the network is divided into two or more regions centering the parent node, a block having the time slot assigned to the parent node and adjacent blocks, among the N blocks, are respectively assigned to the regions, a time slot having been yet unassigned, among the time slots belonging to the block assigned to the region to which the specific node belongs among the divided regions, is assigned as the time slot of the specific node.
    • 提供了一种用于在以信标模式操作的无线传感器网络中分配用于发送信标的时隙的方法和装置。 在根据本发明的用于分配时隙的方法和装置中,分配给网络的总时隙在特定节点能够被分配的节点中被划分为N个块和专门分配时隙的节点 被选择为父节点,网络被划分为以父节点为中心的两个或更多个区域,分配有分配给父节点和相邻块之间的时隙的块在N个块中, 分配给分配给特定节点所属于的区域的块的时隙中的尚未分配的时隙被分配为该特定节点的时隙。
    • 78. 发明授权
    • Apparatus and method for charging internal battery in wireless sensor network
    • 无线传感器网络内部电池充电的装置和方法
    • US08471525B2
    • 2013-06-25
    • US12885872
    • 2010-09-20
    • Se Han KimNae Soo KimHo Yong KangKyo Hoon SonCheol Sig Pyo
    • Se Han KimNae Soo KimHo Yong KangKyo Hoon SonCheol Sig Pyo
    • H02J7/00
    • H02J7/025G01D21/00H02J17/00H02J50/00H02J50/80H04W52/0261H04W84/18
    • Provided are an apparatus and method for charging an internal battery in a wireless sensor network. A method for a slave sensor node to charge an internal battery in a sensor network includes estimating an hourly chargeable electric energy rate in a scan phase with a master sensor node, transmitting the estimated hourly chargeable electric energy rate using an association request message requesting association with the master sensor node after recognizing the master sensor node, requesting charging from the master sensor node and performing wireless charging when a power level of an internal battery requires charging, reporting the power level of the internal battery varied by the wireless charging to the master sensor node by predetermined time periods during the wireless charging, and stopping the wireless charging when the power level reported to the master sensor node reaches a predetermined power level.
    • 提供了一种用于在无线传感器网络中对内部电池充电的装置和方法。 用于从传感器节点对传感器网络中的内部电池充电的方法包括:利用主传感器节点估计与扫描阶段相关的小时可收费的电能率,使用与所述主传感器节点相关联的关联请求消息来传送所估计的小时可收费电能利率 主传感器节点在识别主传感器节点之后,请求从主传感器节点进行充电,并且当内部电池的功率电平需要充电时执行无线充电,报告内部电池的功率电平由主传感器的无线充电而变化 节点在无线充电期间预定的时间段,并且当向主传感器节点报告的功率电平达到预定功率电平时停止无线充电。
    • 80. 发明授权
    • Multiple access system and method for 60 GHz wireless communications system
    • 用于60 GHz无线通信系统的多址系统和方法
    • US08396042B2
    • 2013-03-12
    • US12479424
    • 2009-06-05
    • Kyeongpyo KimJin Kyeong KimWoo Yong LeeYong Sun KimNae-Soo KimCheol Sig Pyo
    • Kyeongpyo KimJin Kyeong KimWoo Yong LeeYong Sun KimNae-Soo KimCheol Sig Pyo
    • H04W4/00H04J1/00H04J4/00
    • H04W72/1252H04W74/08H04W84/12
    • A control apparatus for use in wireless communications includes an antenna unit having antennas, the number of the antennas being equal to a maximum allowable number of connections in a specific frequency band; and a controller for receiving a connection request signal from each terminal attempting to connect to the control apparatus via the antenna unit, and transmitting and receiving a data signal to and from each terminal connected to the control apparatus by using a multiple-input-multiple-output scheme. The controller transmit and receive the data signal to and from each terminal connected to the control apparatus by obtaining a signal value of each antenna based on a predicted channel matrix and the number and types of terminals connected to the control apparatus via the antenna and separating the data signal for each terminal from the signal value according to the multiple-input-multiple-output scheme.
    • 用于无线通信的控制装置包括具有天线的天线单元,天线的数量等于特定频带中的最大允许连接数; 以及控制器,用于从每个终端接收尝试经由天线单元连接到控制装置的连接请求信号,并且通过使用多输入多重连接方式向连接到控制装置的每个终端发送数据信号和从每个终端接收数据信号, 输出方案。 控制器通过基于预测的信道矩阵以及通过天线连接到控制装置的终端的数量和类型获得每个天线的信号值来向连接到控制装置的每个终端发送数据信号并从每个终端接收数据信号, 根据多输入多输出方案从信号值得到每个终端的数据信号。