통신서비스의 확대에 따른 주파수 수요가 점차 증대함에 따라 효율적인 주파수 이용 기술에 대한 필요성이 인식되고 있으며, 서비스 확대에 대응할 수 있는 간섭 회피 및 주파수 공유 기술과 관련한 새로운 주파수 이용 기술에 대한 중요성이 증대되고 있다. 이러한 주파수 부족 현상을 기술적인 측면에서 해결하고자 주파수 공유 기술의 개발이 활발히 이루어지고 있다. 또한 이를 뒷바침하기 위해 유연한 주파수 사용이 가능하도록 제도적인 개선이 필요하다. 본 논고에서는 전파자원의 효율적 이용을 위한 스펙트럼 공유 방식과 관련한 기술적 개요를 설명하고 제도적 진행 방향에 대해 논하였다.
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