본 고는 2005년 4월 20일부터 28일까지 튀니지 튀니스에서 개최된 ITU-R WP9B 회의에서 논의되었던 HAPS 관련 간섭 및 공유 연구현황과 관련 기술에 대해서 제출된 기고서 및 회의 결과를 중심으로 살펴보고자 한다. 본 회의에 제출된 기고서의 주된 내용은 HAPS에서 고정업무(FS)로의 간섭평가 방법에 대하여 제안된 것으로, 여기에서 FS는 RRS와 FWA 시스템을 포함한다. 본 간섭 연구에 대한 제안 배경과 제안 사항의 개요에 대해서 기술하고 간섭분석 모델과 그것에 대한 시뮬레이션 결과를 제시한다. 결론에서 향후 본 분야에 대한 우리나라의 대응방안에 대해서 기술한다.
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