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GLOBECOM
2007
IEEE
13 years 11 months ago
CAC for Multibeam Opportunistic Schemes in Heterogeneous WiMax Systems Under QoS Constraints
Spatial scheduling in a heterogeneous WiMax Downlink channel, based on partial Channel State Information at the Transmitter (CSIT), is carried out through a multibeam opportunistic...
Nizar Zorba, Ana I. Pérez-Neira
CORR
2010
Springer
90views Education» more  CORR 2010»
13 years 7 months ago
Logical complexity of graphs: a survey
We discuss the definability of finite graphs in first-order logic with two relation symbols for adjacency and equality of vertices. The logical depth D(G) of a graph G is equal to ...
Oleg Pikhurko, Oleg Verbitsky
CORR
2006
Springer
101views Education» more  CORR 2006»
13 years 7 months ago
MDL Convergence Speed for Bernoulli Sequences
The Minimum Description Length principle for online sequence estimation/prediction in a proper learning setup is studied. If the underlying model class is discrete, then the total...
Jan Poland, Marcus Hutter
CN
2004
107views more  CN 2004»
13 years 7 months ago
A multicriteria handoff decision scheme for the next generation tactical communications systems
In this paper a novel handoff decision algorithm for the mobile subsystem of tactical communications systems is introduced. In this algorithm, handoff decision metrics are: receiv...
Tolga Onel, Cem Ersoy, Erdal Cayirci, Gerard Parr
CORR
2010
Springer
76views Education» more  CORR 2010»
13 years 2 months ago
Power Control with Imperfect Exchanges and Applications to Spectrum Sharing
In various applications, the effect of errors in gradient-based iterations is of particular importance when seeking saddle points of the Lagrangian function associated with constra...
Nikolaos Gatsis, Georgios B. Giannakis