본 논문은 외부 전원에 연결되었지만 본래의 용도(예: 셋톱박스인 경우 방송서비스 제공)로 사용되지 않는 대기상태에서도 기존 셋톱박스처럼 업데이트를 수행하면서도 기존의 셋톱박스에 비해 전력소모를 줄일 수 있는, 대기상태의 셋톱박스를 제어하는 방안을 제안한다. 본 논문의 제어방안은 셋톱박스로 전달되는 CPU 활성화 메시지를 이용하거나 메시지의 프로토콜의 일부만 분석하는 방법을 이용하여 셋톱박스 업데이트 필요 유무를 판별하는 방안으로 이는 낮은 CPU(Central Processing Unit) 연산 량만 필요로 하여 셋톱박스 전력소모 저감에 적합하다. 본 논문의 제어방안은 기존의 사업자 측면에서 대기상태 셋톱박스의 업데이트 편의성을 유지시키면서도 국가적 차원의 전력소모 저감에 기여를 할 것이다.
KSP Keywords
central processing unit
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