Abstract
현재 고속도로 Tollgate의 단 차선에 성공적으로 시범설치 운영되고 있는 자동 요금 징수 시스템을 다차선에 서비스하기 위해 단거리 전용 통신 중 RF-DSRC 무선 통신 기술을 활용하고자 하였다. 본 논문에서는 RF-DSRC 통신의 기술적인 문제점을 해결하기 위해 데이터 흐름 및 형식을 RFID 통신 기술에 접목한 새로운 SME 알고리즘을 제안하였다. 또한 본 논문에서 제시하는 SME 알고리즘의 평가를 위하여 자동 요금 징수 시스템과 900Mhz RFID를 기반으로 실험을 수행하였다. RFID의 속도별 인식 실험과 RFID 내 정보 인식 정확성 실험 결과로 70Km/h 미만의 속도까지 RFID를 인식하고 90%이상의 인식 정확성을 갖는 것을 알 수 있다. In order for the support of the ETCS (Electronic Toll Collection System) model, which have been operated successfully till now, with multi-lane service, the wireless communication system of the multi-lane-supported ETCS based on RF-DSRC (Radio Frequency - Dedicated Short Range Communication) was used. In this paper, the SME algorithm attaching data flow and form into RFID communication technology was newly suggested to overcome technical problems on RF-DSRC communication system. In addition, in order to verify the SME algorithm, experiments based on ETCS and 900Mhz RFID were carried out. From the result of realization experiment of RFID dependent on the velocity and precision experiment of information inside of RFID, we can see that RFID is detected below 70Km/h and the precision of estimation is more than 90%.
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