이동통신기반 열차제어 시스템은 열차의 차상장비와 선로변 지상장비간 연동을 유선통신을 이용하지 않고 이동통신을 활용하여 열차의 운행을 제어한다. 기존 열차제어는 열차의 점유 정보, 열차 무결성 정보 그리고 이동권한을 유선통신 기반의 고정 폐색 방식 기반으로 운영하고 있다. 최근 들어 철도 영역에서 이동 통신 시스템을 도입함에 따라 향상된 승객 서비스를 제공할 수 있을 뿐 아니라, 비효율적 차상과 지상 설비를 무선통신으로 대체함에 따라 높은 경제적 혜택을 제공할 수 있다. 본 논문에서는 각국에서 현재 운용중인 이동통신 기반 열차제어 시스템을 소개하고 각 시스템에서 사용하고 있는 무선 통신 방식의 특징과 운영 현황에 대해서 설명한다. 또한 무선 통신 시스템의 최소 성능 요구사항 연구를 통하여 열차 제어 신호가 무선망을 통하여 더욱 안전하고 효율적으로 전달될 수 있는 방안을 제시한다.
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