Complete and Fast Unknown Tag Identification in Large RFID Systems

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Provided by: Hong Kong Polytechnic University
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The RFID technology greatly improves efficiency of many applications including inventory control, object tracking, and supply chain management. In such applications, it is common that new objects are added into the system or existing objects are misplaced in wrong regions. When this happens, fast and complete identification of such tags is very important. The authors name this problem unknown tag identification, as these tags appear to be unknown by the reader(s) currently covering them. In this paper, they propose a series of protocols to identify unknown tags completely and fast.
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