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DFT
2009
IEEE
127views VLSI» more  DFT 2009»
14 years 5 months ago
A Sensor to Detect Normal or Reverse Temperature Dependence in Nanoscale CMOS Circuits
The temperature dependence of MOSFET drain current varies with supply voltage. Two distinct voltage regions exist—a normal dependence (ND) region where an increase in temperatur...
David Wolpert, Paul Ampadu
FOCS
2009
IEEE
14 years 5 months ago
Decomposing Coverings and the Planar Sensor Cover Problem
We show that a k-fold covering using translates of an arbitrary convex polygon can be decomposed into Omega(k) covers (using an efficient algorithm). We generalize this result to ...
Matt Gibson, Kasturi R. Varadarajan
GLOBECOM
2009
IEEE
14 years 5 months ago
Channel Aware Distributed Random Access
—We investigate distributed channel-aware random access for networks with arbitrary topologies and traffic distributions, where users can receive traffic from or send traffic ...
Guowang Miao, Ye (Geoffrey) Li, Ananthram Swami
ICASSP
2009
IEEE
14 years 5 months ago
Q-SIFT: Efficient feature descriptors for distributed camera calibration
We consider camera self-calibration, i.e. the estimation of parameters for camera sensors, in the setting of a visual sensor network where the sensors are distributed and energy-c...
Chao Yu, Gaurav Sharma
ICASSP
2009
IEEE
14 years 5 months ago
A variational EM algorithm for learning eigenvoice parameters in mixed signals
We derive an efficient learning algorithm for model-based source separation for use on single channel speech mixtures where the precise source characteristics are not known a pri...
Ron J. Weiss, Daniel P. W. Ellis