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저출력 RFID 시스템에서 인식거리 확대를 위한 전력 공급용 RF Shower 시스템
鄭珍旭(Jin-Wook Jung),裵宰賢(Jae-Hyun Bae),吳夏嶺(Ha-Ryoung Oh),成榮洛(Yeong-Rak Seong),宋昊俊(Ho-Jun Song),張炳埈(장병준),崔炅(Kyung Choi),李政錫(Jung-Suk Lee),李弘倍(Hong-Bae Lee),李學龍(Hak-Yong Lee),金鍾旻(Jong-Min Kim),申在澈(Jae-Che 대한전기학회 2006 전기학회논문지 D Vol.55 No.12
In this paper, we presented the synchronization module between RF shower system and RFID Reader to extend interrogating range on Mobile RFID system, Costas Loop and FPLL(Frequency/Phase Lock Loop) were used. We achieved compromised range of 3㎒ locking frequency, 1㎳ locking time and figured out remarkable Hopping frequency of the Reader. The prototype of the new designed RFID system has been tested with ISO18000-6 type-B Tag. The read range between designed RFID Reader and Tag has been measured, it increased triple times by adjusting the Shower system output level.