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Voltage-clock-scaling adaptive scheduling techniques for low power in hard real-time systems

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2 Author(s)
Krishna, C.M. ; Dept. of Electr. & Comput. Eng., Massachusetts Univ., Amherst, MA, USA ; Lee, Y.-H.

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. We show how voltage scaling can be scheduled to reduce energy usage while still meeting real-time deadlines.

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Computers, IEEE Transactions on  (Volume:52 ,  Issue: 12 )