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ICC
2007
IEEE
160views Communications» more  ICC 2007»
15 years 11 months ago
Robust Statistics Based Expectation-Maximization Algorithm for Channel Tracking in OFDM Systems
— Decision directed channel tracking (DDCT) at high fade rates in OFDM based systems is addressed in this paper. Existing DDCT algorithms like the expectation-maximization (EM) a...
Sheetal Kalyani, Krishnamurthy Giridhar
CVPR
2004
IEEE
16 years 7 months ago
Minimum Effective Dimension for Mixtures of Subspaces: A Robust GPCA Algorithm and Its Applications
In this paper, we propose a robust model selection criterion for mixtures of subspaces called minimum effective dimension (MED). Previous information-theoretic model selection cri...
Kun Huang, René Vidal, Yi Ma
TWC
2008
87views more  TWC 2008»
15 years 5 months ago
A robust asynchronous multiuser STBC-OFDM transmission scheme for frequency-selective channels
Abstract--In this paper, we propose a robust STBC transmission scheme to combat timing synchronization errors over frequency-selective multiple-access channels. We start by derivin...
Dandan Wang, Hlaing Minn, Naofal Al-Dhahir
GLOBECOM
2008
IEEE
15 years 12 months ago
Robust Transceiver Design for Multiuser MIMO Downlink
Abstract—In this paper, we consider robust joint linear precoder/receive filter design for multiuser multi-input multi-output (MIMO) downlink that minimizes the sum mean square ...
P. Ubaidulla, Ananthanarayanan Chockalingam
ICRA
2007
IEEE
148views Robotics» more  ICRA 2007»
15 years 11 months ago
Simple, Robust Autonomous Grasping in Unstructured Environments
—The inherent uncertainty associated with unstructured grasping tasks makes establishing a successful grasp difficult. Traditional approaches to this problem involve hands that a...
Aaron M. Dollar, Robert D. Howe