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A key enabler for the smart grid is the fine-grained monitoring of power utilization. Although such a mechanism is helpful in the optimization of the whole electricity generation, distribution, and consumption cycle, it also creates opportunities for the potential adversaries in deducing the activities and habits of the subscribers. In fact, by utilizing the standard and readily available tools of...
This paper proposes an algorithm that can maximize the total harvested energy of a single-inductor buck-boost converter operating with multiple input energy sources. It does so by dynamically adjusting the turn-on times and allocating the available time slots for the individual input sources in such a way that all the sources require equal turn-off times for the buck-boost converter to meet the zero-current...
In many DSP applications (image and voice processing, baseband symbol decoding in high quality communication channels) several dBs of SNR loss can be tolerated without noticeable impact on system level performance. For power optimization in such applications, voltage overscaling can be used to operate the arithmetic circuitry slower than the critical circuit path delay while incurring tolerable SNR...
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