μITRON-LP: power-conscious real-time OS based on cooperative voltage scaling for multimedia applications

Authors:
H. Kawaguchi;Y. Shin;T. Sakurai
Affiliations:
Inst. of Ind. Sci., Univ. of Tokyo, Japan;-;-
Venue:
IEEE Transactions on Multimedia
Year:
2005

Citing 0
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Abstract

This work presents a cooperative dynamic power management method and its implementation. The implementation consists of design of a real-time OS, applications including MPEG-4, and development of a supporting hardware platform with an off-the-shelf processor. We describe several factors that are important in the implementation and discuss its efficiency through experiment. The experimental results with the prototype system shows that 74% power saving is possible in multi-task multimedia environment.