본 논문은 6G 이동통신시스템이 추구하는 통신과 센싱을 통합 운용하는 ISAC(Integrated Sensing and Communication)의
기본 개념을 소개하고, 3GPP Rel-20 6GR 센싱과 관련된 물리계층 표준화의 최신 동향을 분석한다. ISAC 은 ITU-R IMT-
2030 프레임워크에서 6G 의 핵심 기능으로 채택되었으며, 3GPP RAN1 은 Action Item 10.8 을 통해 센싱 waveform·프레임
구조·센싱 성능 평가 방법 등을 공식 논의 중이다. 최초 표준 회의인 RAN1 #124bis(2026 년 4 월)의 합의사항을 기반으로
RAN1 #125(2026 년 5 월)에 제출된 기고서의 기술 포지션을 ETRI 의 FMBW(Frequency-Modulated Baseband Wave) 기반
전용 센싱 waveform/신호와 함께 비교 분석하고, 센싱 모드 분류, waveform 후보군 비교, 평가 방법론, 프레임 구조 설계
측면의 표준화 쟁점을 정리한다.
KSP Keywords
Integrated sensing, International telecommunications union radiocommunication(ITU-R)
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