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    • 7. 发明申请
    • COMMUNICATION METHOD AND APPARATUS USING VIRTUAL SINK NODE IN WIRELESS SENSOR NETWORK
    • 在无线传感器网络中使用虚拟网络节点的通信方法和设备
    • US20090207783A1
    • 2009-08-20
    • US12370709
    • 2009-02-13
    • Hyo Hyun ChoiSun Gi KimLynn ChoiJae Kyun Jung
    • Hyo Hyun ChoiSun Gi KimLynn ChoiJae Kyun Jung
    • H04W40/02
    • H04W40/20H04W40/026Y02D70/164Y02D70/22Y02D70/30Y02D70/38
    • A communication method and apparatus using a virtual sink node in a wireless sensor network, in which location information about a destination node is acquired by a source node. If the location of the destination node is out of a transmission range of the source node, data including the location information about the destination node are transmitted from the source node to one of nodes adjacent to the source node, where the one node is typically closest to the destination node. The data are transmitted from the one node to another one of nodes adjacent to the one node, where another node is closest to the destination node, until the destination node is located within a transmission range of the one node. If the destination node is located within the transmission range of the one node, the data are transmitted from the one node to the destination node.
    • 一种在无线传感器网络中使用虚拟汇聚节点的通信方法和装置,其中由源节点获取关于目的地节点的位置信息。 如果目的地节点的位置在源节点的传输范围之外,则包括关于目的地节点的位置信息的数据从源节点发送到与源节点相邻的节点之一,其中一个节点通常最接近 到目标节点。 数据从一个节点发送到与该一个节点相邻的另一个节点,另一个节点最靠近目的地节点,直到目的地节点位于该节点的传输范围内。 如果目的地节点位于一个节点的传输范围内,则从一个节点向目的地节点发送数据。
    • 8. 发明申请
    • SYSTEM FOR SETTING AN AD-HOC NETWORK FOR TERMINAL AND METHOD OF CONTROLLING THE SAME
    • 用于设置用于终端的AD-HOC网络的系统及其控制方法
    • US20090185570A1
    • 2009-07-23
    • US12350587
    • 2009-01-08
    • Joong-Kyu AHN
    • Joong-Kyu AHN
    • H04L12/56
    • H04W40/026H04W24/10H04W28/06H04W84/18
    • A system and method for setting an ad-hoc network in a terminal are provided. The system includes a storage unit for storing a critical value of acceleration of the terminal, an acceleration sensor for measuring the acceleration of the terminal to provide a value of the measured acceleration, and a transmission frame processor for controlling transmission of a Media Access Control (MAC) frame for setting the network depending on whether the value of the acceleration measured by the acceleration sensor exceeds the critical value of acceleration pre-stored in the storage unit. The system performs Radio Frequency (RF) control on the terminals, each of which must operate as a host and a router in the ad-hoc network, using the acceleration sensor, thereby preventing use of unnecessary resources and reducing an amount of unnecessarily broadcast frames.
    • 提供了一种用于在终端中设置自组织网络的系统和方法。 该系统包括用于存储终端的加速度的临界值的存储单元,用于测量终端的加速度以提供所测量的加速度的值的加速度传感器,以及用于控制媒体访问控制的传输的传输帧处理器 MAC)帧,用于根据由加速度传感器测量的加速度值是否超过预先存储在存储单元中的加速度的临界值来设置网络。 该系统对终端执行射频(RF)控制,每个终端必须使用加速度传感器作为主机和路由器在自组织网络中运行,从而防止使用不必要的资源并减少不必要的广播帧数量 。