Tajana Simunic Luca Benini Andrea Acquaviva Peter W. Glynn Giovanni De Micheli Dynamic Voltage Scaling and Power Management for Portable Systems. 524-529 2001 conf/dac/2001 DAC http://doi.acm.org/10.1145/378239.379016 db/conf/dac/dac2001.html#SimunicBAGM01