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    • 2. 发明申请
    • METHODS AND SYSTEMS FOR REAL TIME RFID LOCATING ONBOARD AN AIRCRAFT
    • 实时RFID定位在飞机上的方法和系统
    • US20110133891A1
    • 2011-06-09
    • US12632501
    • 2009-12-07
    • William P. KrugSudhakar S. ShettyDavid T. Kirkland
    • William P. KrugSudhakar S. ShettyDavid T. Kirkland
    • G06K7/01
    • G06K7/0008G06K7/10079G06K7/10316G06K7/10346G06K2017/0045G06K2017/0051
    • An aircraft communications and item tracking system is described. The system includes an RFID reader and a communications device located at fixed locations within the aircraft, a plurality of passive RFID tags operable for association with items within the aircraft, and a distributed antenna system comprising a plurality of antenna units and a wireless distribution system. The wireless distribution system is communicatively coupled to an aircraft communications network. The antenna units are communicatively coupled to the wireless distribution system and disbursed about the aircraft such that the RFID tags within the aircraft may be activated by signals output by at least one of the antenna units. The RFID reader and communications device are communicatively coupled to the wireless distribution system. The distributed antenna system is operable for transmission and reception of signals associated with the RFID reader and RFID tags. The distributed antenna system is further operable for transmission and reception of signals associated with the communications device.
    • 描述了飞机通信和物品跟踪系统。 该系统包括RFID读取器和位于飞行器内的固定位置处的通信设备,可操作用于与飞行器内的物品相关联的多个无源RFID标签,以及包括多个天线单元和无线分布系统的分布式天线系统。 无线分配系统通信地耦合到飞行器通信网络。 天线单元通信地耦合到无线分配系统并且分发在飞机上,使得飞行器内的RFID标签可以由天线单元中的至少一个输出的信号激活。 RFID读取器和通信设备通信地耦合到无线分配系统。 分布式天线系统可操作用于发送和接收与RFID读取器和RFID标签相关联的信号。 分布式天线系统还可用于发送和接收与通信设备相关联的信号。