1118 search results - page 107 / 224 » Convex Optimization |
IJON
2002
13 years 9 months ago
2002
It was discovered recently that sparse decomposition by signal dictionaries results in dramatic improvement of the qualities of blind source separation. We exploit sparse decompos...
JMLR
2010
13 years 4 months ago
2010
An algorithm is presented for topology selection in graphical models of autoregressive Gaussian time series. The graph topology of the model represents the sparsity pattern of the...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper, the problem about power control in multiuser cognitive networks is addressed. The scenario we study is a heterogeneous network, where multiple cognitive (without the...
IOR
2007
13 years 9 months ago
2007
We study a new class of decentralized algorithms for discrete optimization via simulation, which is inspired by the fictitious play algorithm applied to games with identical inte...
INFOCOM
2007
IEEE
14 years 3 months ago
2007
IEEE
—We introduce a novel approach to multi-hop routing in wireless networks. Instead of the usual graph description we characterize the network by the packet delivery ratio matrix w...