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The increasing power consumption of processors has made power reduction a first-order priority in processor design. Voltage scaling is one of the most powerful power-reduction techniques introduced to date, but is limited to some minimum voltage . Below on-chip SRAM cells cannot all operate reliably due to increased process variability with technology scaling. The use...
The increasing power consumption of processors has made power reduction a first-order priority in their design. Voltage scaling is one of the most successful power-reduction techniques introduced to date, but it is limited to some minimum voltage, VDDMIN, below which all components cannot operate reliably. In particular, ever-increasing process variability due to shrinking feature size further degrades...
In this paper, we address the problem of maximizing sensor networks lifetime as well as maintain sufficient sensing coverage. The problem of computing redundant sensing areas among neighboring heterogeneous sensors is analyzed. We present a mathematical model to compute the redundancy degree of each sensor without the knowledge of location information for heterogeneous wireless sensor networks. Based...
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