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    • 5. 发明授权
    • Radio frequency identification (RFID) tag having multiple antennas
    • 具有多个天线的射频识别(RFID)标签
    • US09514402B1
    • 2016-12-06
    • US14947750
    • 2015-11-20
    • Electronics and Telecommunications Research Institute
    • Hyun Seok KimChan Won Park
    • G06F19/00G06K19/077H01Q1/22G06K19/073H03C1/08
    • H03C1/08G06K19/0723G06K19/0724G06K19/0726H01Q1/2225H04L27/04
    • Provided is a Radio Frequency Identification (RFID) tag having a plurality of antennas. The RFID tag includes: a plurality of antennas each configured to backscatter received Radio Frequency (RF) signals; a digital and memory circuitry, which once the RF signals are received through the plurality of antennas, is configured to generate a series of programmed encoding signals based on identification information to be transmitted, and to output the generated signals; and a modulator configured to vary power of an uplink signal backscattered through the plurality of antennas based on the encoding signals input from the digital and memory circuitry, in which the modulator operates such that the power of the uplink signal backscattered through each of the plurality of antennas is equal regardless of types of the encoding signals.
    • 提供了具有多个天线的射频识别(RFID)标签。 RFID标签包括:多个天线,其被配置为反向散射所接收的射频(RF)信号; 一旦通过多个天线接收RF信号的数字和存储器电路被配置为基于要发送的识别信息生成一系列编程编码信号,并输出所生成的信号; 以及调制器,被配置为基于从所述数字和存储器电路输入的编码信号来改变通过所述多个天线反向散射的上行链路信号的功率,其中所述调制器进行操作,使得所述上行链路信号的功率通过所述多个 无论编码信号的类型如何,天线是相等的。