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EPCglobal Gen 2 Tag Identification Performance Analysis Modifying the C model in the Q Algorithm  

Park, Jong-Myung (한양대학교 전자컴퓨터통신 공학부)
Cho, Sung-Ho (한양대학교 전자컴퓨터통신 공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.12B, 2009 , pp. 1444-1451 More about this Journal
Abstract
This paper first proposes diverse C determining models in the Q algorithm which is proposed in the EPCglobal C1 Gen 2 standard and then compares and analyzes its performance. EPCglobal C1 Gen 2 standard proposes the slot-count (Q) selection algorithm for multiple tag identification environment, but there is no such definition for the C value which modifies the Q value depending on collision or no reply. During the tag anti-collision process, the Q algorithm adds C to the Q when there is a collision and reduces the Q by C when there is no reply. The modified Q value updates new slot-counts for tags which determines the tag identification speed, so the C value is an important factor. However, many researches only intend to increase the tag identification speed by proposing a new method or modifying the Q algorithm without any research about the C value. This paper suggests diverse C models which satisfies the EPCglobal C1 Gen 2 and analyzes their performance in the multi tag identification environment. The result of this paper can be used as an index for future researches on EPCglobal C1 Gen 2 C models and multiple tag identification performance.
Keywords
RFID; EPCglobal Gen 2; Q algorithm; Tag Identification; Anti-collision;
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Times Cited By KSCI : 1  (Citation Analysis)
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