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    • 34. 发明授权
    • Method of transmitting/receiving data in sensor network for reducing overhearing of sensor nodes
    • 传感器网络中传输/接收数据的方法,以减少传感器节点的检测
    • US08089909B2
    • 2012-01-03
    • US12149255
    • 2008-04-29
    • Se Han KimKyeseon LeeChong-Ho YoonGang-Ho ByunNae-Soo KimCheol Sig Pyo
    • Se Han KimKyeseon LeeChong-Ho YoonGang-Ho ByunNae-Soo KimCheol Sig Pyo
    • G08C17/00H04J3/16H04J3/22
    • H04W74/0808H04L7/041H04W52/0216H04W74/002Y02D70/166
    • Provided is a method of transmitting/receiving data in a sensor node for reducing overhearing of sensor nodes, and a sensor network which implements the method. A sender node having transmission data from among a plurality of nodes which perform a low power listening (LPL) operation in an asynchronous manner at predetermined time intervals, generates a long preamble including short preambles, each having information including a destination address of the transmission data, a remainder of the long preamble, and a length of the transmission data, and sequentially transmits the second preamble and the transmission data. A receiver node from among the plurality of nodes determines whether a valid signal is sensed during an active state in the LPL operation. If it is determined that the valid signal is sensed, the receiver node receives the short preamble transmitted from the sender node. The receiver node determines a duration time of a deactivated state of the receiver node based on the received first preamble, thereby reducing overhearing in the sensor network.
    • 提供了一种在传感器节点中发送/接收数据以减少传感器节点的窃听的方法,以及实现该方法的传感器网络。 具有以预定时间间隔以异步方式执行低功率监听(LPL)操作的多个节点的发送数据的发送方节点生成包括短前导码的长前导码,每个具有包含发送数据的目的地地址的信息 ,长前导码的剩余部分和发送数据的长度,并顺序发送第二前同步码和发送数据。 多个节点中的接收器节点确定在LPL操作中的活动状态期间是否感测到有效信号。 如果确定感测到有效信号,则接收器节点接收从发送器节点发送的短前置码。 接收机节点基于接收到的第一前导码来确定接收机节点的去激活状态的持续时间,从而减少传感器网络中的窃听。
    • 36. 发明申请
    • STANDBY POWER CONTROL DEVICE AND CONTROL METHOD THEREOF
    • 备用电源控制装置及其控制方法
    • US20110153111A1
    • 2011-06-23
    • US12833459
    • 2010-07-09
    • Yoonmee DohNoseong ParkJong-Arm JunCheol Sig Pyo
    • Yoonmee DohNoseong ParkJong-Arm JunCheol Sig Pyo
    • G06F19/00
    • H02J9/005H02J2009/007
    • Provided is a power control device and a control method thereof for reducing power consumption. A standby power control devices includes a plurality of electronic devices each of which is operated in a standby mode and a normal mode, and a central control unit configured to monitor load power consumed by one of the electronic devices, and perform a control operation for electrically connecting or isolating the one of the electronic devices to or from a power line by referring to a result of the monitoring and each profile information of the electronic devices, wherein the central control unit controls the one of the electronic devices to be isolated or keep a connection from or to the power line when the load power consumed by the one of the electronic devices is kept as the standby mode over a reference time.
    • 提供了一种用于降低功耗的功率控制装置及其控制方法。 备用电源控制装置包括多个电子装置,每个电子装置在备用模式和正常模式下操作;以及中央控制单元,被配置为监视由一个电子装置消耗的负载功率,并执行电气控制操作 通过参考监视结果和电子设备的每个简档信息将电子设备中的一个连接到电力线路或从电力线路隔离,其中中央控制单元控制电子设备中的一个被隔离或保持一个 当电子设备中的一个消耗的负载功率在参考时间内被保持为待机模式时,从电力线连接到电力线路。