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2009 WRI World Congress on Computer Science and Information Engineering
Energy-Aware Scheduling for Practical Mode Real-Time Systems with QoS Guarantee
Los Angeles, California USA
March 31-April 02
ISBN: 978-0-7695-3507-4
Energy Consumption and Quality of Service (QoS) are two primary concerns in the development of today’s pervasive computing systems. While most of the research in energy-aware real-time scheduling has been focused on hard real-time systems, we study the problem of minimizing energy for soft real-time systems with the requirements of QoS-guarantee. In this paper, the QoS requirements are deterministically quantified with the (m; k)-constraints,which require that at least m out of any k consecutive jobs of a task meet their deadlines. A dynamic DVS algorithm is presented to reduce the energy while guaranteeing the given(m; k)-constraints. The simulation results demonstrate that our proposed techniques can achieve significant energy saving performance while ensuring the QoS guarantee.
Citation:
Linwei Niu, Gang Quan, "Energy-Aware Scheduling for Practical Mode Real-Time Systems with QoS Guarantee," csie, vol. 3, pp.428-432, 2009 WRI World Congress on Computer Science and Information Engineering, 2009
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