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    • 10. 发明申请
    • LABEL ANTI-COLLISION METHOD AND SYSTEM
    • 标签防碰撞方法和系统
    • US20120075075A1
    • 2012-03-29
    • US13375540
    • 2009-12-28
    • Jiang DuLi WangYongzhi Zhang
    • Jiang DuLi WangYongzhi Zhang
    • G06K7/01
    • G06K7/0008G06K7/10049G06K7/10059
    • A label anti-collision method is disclosed, which is applied in a radio frequency identification system including a reader and labels. When the labels enter into an arbitration process, the reader sends the predetermined number of labels to the labels; the reader sends start counting instruction; after a label receives the start counting instruction, the label initializes its own information, and according to the predetermined number of the labels, selects a random number as an initial value of a counter and enters into the arbitration process. A label anti-collision system is also disclosed. With the method and the system, all the labels are hashed at the beginning of arbitrating with the Binary Tree method so as to reduce the probability of the collisions and improve the arbitration efficiency.
    • 公开了一种应用于包括读取器和标签的射频识别系统的标签防碰撞方法。 当标签进入仲裁过程时,读者将预定数量的标签发送到标签; 读者发送开始计数指令; 在标签接收到开始计数指令之后,标签初始化其自己的信息,并且根据预定数量的标签,选择随机数作为计数器的初始值并进入仲裁处理。 还公开了一种标签防碰撞系统。 利用方法和系统,所有标签在二进制树法的仲裁开始时被散列,以减少冲突的可能性并提高仲裁效率。