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    • 86. 发明公开
    • BACK SCATTERING TYPE RFID COMMUNICATION SYSTEM
    • RFID-KOMMUNIKATIONSSYSTEM MITRÜCKSTREUUNG
    • EP2424121A2
    • 2012-02-29
    • EP10756373.6
    • 2010-03-26
    • Idro Co., Ltd.
    • KANG, YanggiPARK, JungsungOH, Kwangjin
    • H04B5/02H04B1/38G06K17/00
    • H04B5/0062G06K7/0004G06K19/0723G06K19/0728H04B5/0031H04B5/0037
    • A backscattering type radio frequency identification (RFID) communication system, and more particularly, a backscattering type RFID communication system in which an RFID tag transmits a signal back to an RF reader by using energy of a carrier wave transmitted by the RFID reader. Provided is a backscattering type radio frequency identification (RFID) communication system RFID communications are performed efficiently without an error while interference between RFID readers does not occur even under an overcrowded reader environment. Interference of RF signals between the RFID readers does not occur, and RFID communications can be efficiently performed even under the overcrowded reader environment. Transmitting and receiving time steps of the RFID readers do not need to be synchronized with one another so that compatibility of the RFID readers can be improved.
    • 背景散射型射频识别(RFID)通信系统,更具体地说,是RFID标签通过使用由RFID读取器发送的载波的能量将信号发送回RF读取器的后向散射型RFID通信系统。 提供了一种后向散射型射频识别(RFID)通信系统,即使在过度拥挤的读取器环境下也不会发生RFID读取器之间的干扰而无误地进行RFID通信。 RFID读写器之间的RF信号的干扰不会发生,即使在拥挤的阅读器环境下也可以有效地执行RFID通信。 RFID读取器的发送和接收时间步骤不需要彼此同步,从而可以提高RFID阅读器的兼容性。