최근 디지털 방송의 활성화는 방송 및 통신 영역에서 다양한 신규 서비스의 개발로 이어져 방송미디어 산업에서 새로운 부가가치를 창출하고 있다. 특히 디지털 방송으로의 전환을 계기로 선진 각국에서는 차세대 방송 서비스에 대한 관심이 한층 고조되고 있으며, 디스플레이 기술의 진화와 전송 기술의 고도화가 거듭됨에 따라 HD급 영상 서비스에서 UHD급 영상서비스로 5.1 채널 음향 서비스에서 10.2채널 이상의 음향 서비스로 향상된 고품질 실감 방송 서비스의 도입이 거론되고 있다. 차세대 케이블 전송 표준인 DVB-C2 표준은 기존 전송 방식에 비해 전송 효율을 30% 이상 향상시켰지만 UHDTV 방송 서비스와 같은 대용량 방송 콘텐트의 전송을 위해서는 채널 용량의 제한으로 인해 여전히 고려되어야 할 사항이 남아있다. 이에 본 고에서는 최근 표준화가 완료된 차세대 케이블 전송기술인 DVB-C2 표준을 이용하여 효과적으로 UHDTV 방송 서비스를 전송하기 위한 방법을 제시하고자 한다.
KSP Keywords
DVB-C2
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