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There has been a dramatic increase in interactive cloud based software applications. Compared to classical real-time media applications (voice over IP (VoIP)/conferencing) and non real-time file delivery, these interactive software applications have unique characteristics: 1) they are delay sensitive yet demand in order and reliable data delivery, and 2) the traffic is usually bursty. Traditional...
A high-frequency digital controller that includes an optimized analog-digital converter (ADC) with a novel formulation of digital error value based on target clock frequency and converter output voltage is presented in this paper. A programmable look-up table-based digital compensator is implemented for fast processing the feedback error. Limitations of a hybrid digital pulsewidth modulator (DPWM)...
The proliferation of mobile electronic equipment is driving the need for aggressive real-time power management techniques, beyond the incremental efficiency improvements in DC-DC switching converters. In dynamic voltage scaling (DVS) power managament technique, performance, i.e. the operating clock frequency is adjusted with the time-varying workload and the supply voltage is scaled down dynamically...
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