08MB1800, Components/Module technology for Ubiquitous Terminals,
Kim Jongdae
Abstract
모바일 멀티미디어 응용을 위한 기존의 프로세서들이 다방면에서 검증되고 응용되고 있다. 그런데, 이 모바일 멀티미디어 응용을 위해서 채택할 수 있는 하드 와이어드 즉 ASIC으로 된 칩 솔루션은 유연성이 떨어지며 비용이 많이 소요된다. 또한 유연성이 큰 CPU 솔루션은 그 성능에서 한계에 봉착하게 된다. 그러므로 ASIC 과 같은 성능과 CPU 같은 유연성 모두를 충족시키는 방법으로 재구성형 연산 프로세서를 사용하는 방법이 추천된다. 특히, 모바일 시스템들은 저전력과 고성능을 같이 추구하고 있으므로 본 논문에서는 이들을 모두 충족시키는 고에너지효율을 가지는 재구성형 프로세서를 제안한다. 130nm CMOS 기술에 의해 제작된 것은 121MOPS/mW의 에너지효율을 보이며 이를 90nm CMOS 기술과 명령어의 효율적인 사용을 통한 재구성형 프로세서의 시뮬레이션 결과는 539MOPS/mW의 에너지효율을 보임을 확인하였다. 또한 그 응용을 MP3의 IMDCT와 MPEG4의 DF(Deblocking Filter) 알고리즘에 대해 시행함으로써 모바일 멀티미디어 분야에 적용될 수 있음을 보였다.
KSP Keywords
deblocking filter
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