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A Study on Prevention of Collision and Data Loss of the RFID System Using a Full-Length Instruction Code Method  

강민수 (한양대학교 정보통신대학원)
신석균 ((주)마이크로트)
이재호 ((주)마이크로트)
박면규 ((주)포스코 구내운송과 철도신호기술)
이기서 (광운대학교 정보제어공학과)
Abstract
Using single carrier frequency RFID system in one-to-multiple wireless communications, might be generated data loss because of data collisions. Conventional Anti-collision method prevent data loss from data collisions which are binary tree method and ALOHA. However, those two preventive measures also have week points which are strongly dependent on the time and space when passing through the recognition area. This paper suggests the full-length instruction code method which fits in to half-duplex method, prevents data collision effectively by calculating the non-transmitting time of multiple tags considering approaching time to the recognition area. After full-length instruction code method test using 13.56MHz bandwidth RFID system shows that full-length instruction code method could make better result than any other methods. Moreover, the record shows O(n) result after analyzing O-notation of conventional time-domain procedure.
Keywords
RFID(Radio Frequency identification); Anti-Collision;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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