Voltage-Clock-Scaling Adaptive Scheduling Techniques for Low Power in Hard Real-Time Systems

  • Authors:
  • C. M. Krishna;Yann-Hang Lee

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 2003

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Abstract

Abstract--Many embedded systems operate under severe power and energy constraints. Voltage clock scaling is one mechanism by which energy consumption may be reduced: It is based on the fact that power consumption is a quadratic function of the voltage, while the speed is a linear function. In this paper, we show how voltage scaling can be scheduled to reduce energy usage while still meeting real-time deadlines.