최근에 RFID(Radio Frequency Identification) 기술은 사물인터넷의 기반 기술로 다양한 애플리케이션의 개발과 함께 산업화/정보화에 크게 기여하고 있다. 그러나 산업에서 요구하는 RFID 태그, 리더의 요구사항이 단순한 인식뿐만 아니라 다양한 정보를 장기간 저장하고 관리할 목적으로 태그 메모리 크기가 확장되고 있으며, 해당 정보를 태그에 읽고 쓰기 위하여 간섭 잡음에 강한 신뢰성 있는 성능 향상 무선통신기술이 연구되고 있다. 본고에서는 RFID 태그-리더 간 고속으로 통신하는 기술과 다량의 태그 밀집 환경에서 RFID 인식률 향상을 위한 빔포밍 기술에 대하여 기술한다.
KSP Keywords
Radio Frequency IDentification(RFID)
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