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학술지 An Advanced RFID System to Avoid Collision of RFID Reader, using Channel Holder and Dual Sensitivities
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저자
정병현, 모희숙, 김내수, 표철식
발행일
200711
출처
Microwave and Optical Technology Letters, v.49 no.11, pp.2643-2647
ISSN
0895-2477
출판사
John Wiley & Sons
DOI
https://dx.doi.org/10.1002/mop.22808
협약과제
07MB2100, RFID/USN 실환경 적용 및 MEMS 제품 최적화 공정 기술 개발, 문종태
초록
Recently, RFID system has become popular and has been growing rapidly. Due to using many readers in limited area, RFID reader collision problem occurs when the reader is interfered with the signals from neighbor readers or other devices. Even if 50 channels are available in North America, 15 channels in Europe and 25 channels in Korea are available. Moreover, in the future, if many mobile (cellular) RFID readers might be used in limited area simultaneously, the number of channels is not enough, and the collision problem might be more serious. Therefore, this paper proposes an advanced RFID system with a channel holder and dual reader sensitivities/reduced reader output power. © 2007 Wiley Periodicals, Inc.
키워드
Radio frequency identification, Reader sensitivities, Tag sensitivities
KSP 제안 키워드
Avoid collision, Collision problem, North America, Output power, Passive radio frequency identification(RFID), RFID reader, RFID system, Radio Frequency(RF), reader collision