830 search results - page 29 / 166 » Approximation power of directionlets |
SODA
2010
ACM
14 years 5 months ago
2010
ACM
We consider the problem of approximating a set P of n points in Rd by a j-dimensional subspace under the p measure, in which we wish to minimize the sum of p distances from each p...
SODA
2010
ACM
14 years 5 months ago
2010
ACM
The crossing number of a graph is the least number of pairwise edge crossings in a drawing of the graph in the plane. We provide an O(n log n) time constant factor approximation al...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
Estimation based on received signal strength (RSS) is crucial in sensor networks for sensor localization, target tracking, etc. In this paper, we present a Gaussian approximation ...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— The problem of non-cooperative power control is studied for wireless ad hoc networks supporting data services. We develop a maximum throughput based non-cooperative power contr...
DATE
2006
IEEE
14 years 1 months ago
2006
IEEE
In this paper, an approximated closed-form total power consumption equation for circuits working at their optimal supply and threshold voltage is presented. Comparisons of this fo...