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In RFID systems, some readers will suffer from RF interference, which can lead to reader collision. Consequently, an anti-collision algorithm based on distributed power control (DPC) scheme was proposed as a solution for the problem in this paper. The proposed algorithm dynamically adjusts power output of a RFID reader based on the signal-to-interference ratio (SIR) of RFID reader receiver, minimizes...
In RFID system, more than one tag answering the query of reader together can result in tag collision, which makes the communication between reader and tag failure. For the problem, a novel anti-collision algorithm was present in the paper. The new algorithm transmitted the maximal collision bit position but the serial number of tag, which reduced the data transmitted greatly, and uses splitting to...
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