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    • 5. 发明申请
    • METHOD AND SYSTEM FOR RETRIEVING INFORMATION FROM WIRELESS SENSOR NODES
    • 从无线传感器节点检索信息的方法和系统
    • WO2007121397A2
    • 2007-10-25
    • PCT/US2007/066708
    • 2007-04-16
    • WISCONSIN ALUMNI RESEARCH FOUNDATIONSAYEED, Akbar M.SIVANADYAN, Thiagarajan
    • SAYEED, Akbar M.SIVANADYAN, Thiagarajan
    • H04B17/00
    • H04W28/06
    • A system supporting data retrieval from a plurality of wireless sensor nodes is defined. The system includes the plurality of wireless sensor nodes and a data retrieval device. The plurality of wireless sensor nodes include a transceiver receiving a first signal and transmitting a second signal. The second signal includes a sensed datum or an encoded statistic based on the sensed datum identified at the plurality of wireless sensor nodes. The data retrieval device includes a plurality of antennas transmitting the first signal toward the plurality of wireless sensor nodes and receiving the second signal from the plurality of wireless sensor nodes, and a processor coupled to receive the received second signal from the plurality of antennas, the processor defining a virtual receive signal from the received second signal for the plurality of antennas and processing the defined virtual receive signal to determine the identified sensed datum.
    • 定义了从多个无线传感器节点支持数据检索的系统。 该系统包括多个无线传感器节点和数据检索装置。 多个无线传感器节点包括收发第一信号并发送第二信号的收发器。 第二信号包括基于在多个无线传感器节点处识别的感测数据的感测数据或编码统计量。 数据检索装置包括向多个无线传感器节点发送第一信号并从多个无线传感器节点接收第二信号的多个天线,以及耦合以从多个天线接收接收到的第二信号的处理器, 处理器根据所接收的多个天线的第二信号定义虚拟接收信号,并处理定义的虚拟接收信号以确定所识别的感测数据。