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GLOBECOM
2007
IEEE
16 years 13 days ago
Time-Varying Channel Complex Gains Estimation and ICI Suppression in OFDM Systems
—In this paper, we present an iterative algorithm for channel complex gains estimation with inter-sub-carrierinterference (ICI) reduction in orthogonal-frequency-divisionmultiple...
Hussein Hijazi, Laurent Ros
ICALP
2004
Springer
15 years 11 months ago
Games with Winning Conditions of High Borel Complexity
We first consider infinite two-player games on pushdown graphs. In previous work, Cachat, Duparc and Thomas [4] have presented a winning decidable condition that is Σ3-complete ...
Olivier Serre
COCO
2003
Springer
93views Algorithms» more  COCO 2003»
15 years 11 months ago
The complexity of stochastic sequences
We review and slightly strengthen known results on the Kolmogorov complexity of prefixes of effectively random sequences. First, there are recursively random random sequences su...
Wolfgang Merkle
COMPGEOM
2009
ACM
15 years 10 months ago
Visibility maps of realistic terrains have linear smoothed complexity
We study the complexity of the visibility map of terrains whose triangles are fat, not too steep and have roughly the same size. It is known that the complexity of the visibility ...
Mark de Berg, Herman J. Haverkort, Constantinos P....
SAC
2010
ACM
16 years 28 days ago
Gray networking: a step towards next generation computer networks
Modern networks are very complex. It is highly desirable to reduce management complexity in next generation network design. Researchers have been seeking inspiration in natural ob...
Piyush Harsh, Randy Chow, Richard Newman