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ICC
2007
IEEE
172views Communications» more  ICC 2007»
14 years 1 months ago
Simple Carrier Frequency Offset Estimators in Frequency Flat-Fading Channels
— In this paper, the Nonlinear Least-Squares (NLS) estimator for frequency offset in flat-fading channels is systematically derived. A simple interpolation technique is introduc...
Pakorn Ubolkosold, Gustave Franck Tchere, Stefan K...
ISSAC
2004
Springer
135views Mathematics» more  ISSAC 2004»
14 years 1 months ago
Absolute polynomial factorization in two variables and the knapsack problem
A recent algorithmic procedure for computing the absolute factorization of a polynomial P(X, Y ), after a linear change of coordinates, is via a factorization modulo X3 . This was...
Guillaume Chèze
ICCAD
1995
IEEE
68views Hardware» more  ICCAD 1995»
13 years 11 months ago
Generating sparse partial inductance matrices with guaranteed stability
This paper proposes a definition of magnetic vector potential that can be used to evaluate sparse partial inductance matrices. Unlike the commonly applied procedure of discarding...
Byron Krauter, Lawrence T. Pileggi
NIPS
2004
13 years 9 months ago
Validity Estimates for Loopy Belief Propagation on Binary Real-world Networks
We introduce a computationally efficient method to estimate the validity of the BP method as a function of graph topology, the connectivity strength, frustration and network size....
Joris M. Mooij, Hilbert J. Kappen
SODA
2003
ACM
143views Algorithms» more  SODA 2003»
13 years 9 months ago
Deterministic identity testing for multivariate polynomials
In this paper we present a simple deterministic algorithm for testing whether a multivariate polynomial f(x1, . . . , xn) is identically zero, in time polynomial in m, n, log(d + ...
Richard J. Lipton, Nisheeth K. Vishnoi