The invention discloses a back-off method and a back-off device, and a method and a device for detecting a radio-frequency identification signal state, and belongs to the field of communications.
本发明公开了一种退避方法和装置及检测射频识别信号状态的方法和装置，属于通信领域。
The invention discloses a back-off method and a back-off device, and a method and a device for detecting a radio-frequency identification signal state, and belongs to the field of communications.
本发明公开了一种退避方法和装置及检测射频识别信号状态的方法和装置，属于通信领域。
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