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http://dx.doi.org/10.6109/jkiice.2008.12.9.1569

Optimal Frame Size Allocation Mechanism for Fast Tag Identification in RFID System  

Lim, In-Taek (부산외국어대학교 컴퓨터공학부)
Abstract
Almost all the RFID systems in the 13.56MHz ISM band adopt the FSA algorithm as the anti-collision algorithm. The FSA algorithm is based on the slotted ALOHA with a fixed frame size. The FSA, though simple, has a disadvantage that when the number of tags is variable, the system performance degrades because of the fixed frame size. Therefore, this paper proposes a new OFSA. The proposed OFSA algorithm dynamically allocates the optimal frame size at every frame based on the number of tags in the reader's identification range. According to the simulation results, the system efficiency of the proposed algorithm should be maintained optimally. Also, the proposed algorithm always obtained the minimum tag identification delay.
Keywords
RFID; Anti-collision algorithm; Frame size allocation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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