Dynamic Framed Slotted ALOHA Algorithm Used in RFID System |
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Authors: | WANG Ya-qi JIANG Guo-ping |
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Affiliation: | College of Automation, Nanjing University of Posts and Telecommunications, Nanjing 210003 ,China |
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Abstract: | In radio frequency identification(RFID) systems,one of the most widely used anti-collision algorithms is the dynamic framed slotted ALOHA(DFSA)algorithm which usually uses two methods,one is tag estimation method (TEM) which estimates the number of tags around the reader,and the other is dynamic slot allocation (DSA) method which is the method to dynamically allocate the frame size according to the number of tags.DFSA can achieve optimal system performance when the frame size is equal to the number of tags.... |
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Keywords: | RFID DFSA TEM DSA anti-collision system efficiency |
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