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ICRA
2005
IEEE
111views Robotics» more  ICRA 2005»
15 years 3 months ago
Information Based Distributed Control for Biochemical Source Detection and Localization
— The paper proposes several improvements on the Direction of Gradient (DOG) algorithm proposed in [1] for detecting and localizing a biochemical source with moving sensors. In p...
Panos Tzanos, Milos Zefran, Arye Nehorai
ICC
2007
IEEE
104views Communications» more  ICC 2007»
15 years 4 months ago
Semiblind Carrier Frequency Offset Estimation for OFDM Systems
— In this paper we consider the problem of semiblind carrier frequency offset (CFO) estimation for OFDM systems. Specifically, we consider a synchronization scheme based on the ...
Tilde Fusco, Ferdinando Marrone, Mario Tanda
CORR
2010
Springer
228views Education» more  CORR 2010»
14 years 8 months ago
Sparse Inverse Covariance Selection via Alternating Linearization Methods
Gaussian graphical models are of great interest in statistical learning. Because the conditional independencies between different nodes correspond to zero entries in the inverse c...
Katya Scheinberg, Shiqian Ma, Donald Goldfarb
IPPS
2006
IEEE
15 years 3 months ago
Phylogenetic models of rate heterogeneity: a high performance computing perspective
Inference of phylogenetic trees using the maximum likelihood (ML) method is NP-hard. Furthermore, the computation of the likelihood function for huge trees of more than 1,000 orga...
Alexandros Stamatakis
MOBIHOC
2008
ACM
15 years 9 months ago
Cooperative transmit-power estimation under wireless fading
We study blind estimation of transmission power of a node based on received power measurements obtained under wireless fading. Specifically, the setup consists of a set of monitor...
Murtaza Zafer, Bongjun Ko, Ivan Wang Hei Ho