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TSP
2010
14 years 4 months ago
Channel estimation in wireless OFDM systems with irregular pilot distribution
Abstract--This paper addresses pilot-assisted channel estimation for wireless orthogonal frequency division multiplexing (OFDM) systems with irregular pilot arrangements. Using non...
Peter Fertl, Gerald Matz
TSP
2010
14 years 4 months ago
Low complexity equalization for doubly selective channels modeled by a basis expansion
We propose a novel equalization method for doubly selective wireless channels, whose taps are represented by an arbitrary Basis Expansion Model (BEM). We view such a channel in the...
Tomasz Hrycak, Saptarshi Das, Gerald Matz, Hans G....
CORR
2011
Springer
172views Education» more  CORR 2011»
14 years 4 months ago
Improving Strategies via SMT Solving
We consider the problem of computing numerical invariants of programs by abstract interpretation. Our method eschews two traditional sources of imprecision: (i) the use of widenin...
Thomas Martin Gawlitza, David Monniaux
ECCV
1998
Springer
15 years 11 months ago
Robust Techniques for the Estimation of Structure from Motion in the Uncalibrated Case
Abstract. Robust techniques are developed for determining structure from motion in the uncalibrated case. The structure recovery is based on previous work [7] in which it was shown...
Michael J. Brooks, Wojciech Chojnacki, Anton van d...
ECCV
2004
Springer
15 years 11 months ago
High Accuracy Optical Flow Estimation Based on a Theory for Warping
Abstract. We study an energy functional for computing optical flow that combines three assumptions: a brightness constancy assumption, a gradient constancy assumption, and a discon...
Thomas Brox, Andrés Bruhn, Nils Papenberg, ...