Sciweavers

2711 search results - page 378 / 543
» Convergence of the Wake-Sleep Algorithm
Sort
View
ICASSP
2009
IEEE
15 years 10 months ago
Subspace tracking of fast time-varying channels in precoded MIMO-OFDM systems
This paper presents a blind subspace-based tracking scheme for precoded MIMO-OFDM systems over rapidly time-varying wireless channels. Subspace-based tracking is normally consider...
Chao-Cheng Tu, Benoît Champagne
ICC
2009
IEEE
114views Communications» more  ICC 2009»
15 years 10 months ago
Distributed Gradient Based Gain Allocation for Coherent Multiuser AF Relaying Networks
—A set of distributed non-cooperating relay antennas is known to be capable of orthogonalizing multiple sourcedestination pairs in space by coherent amplify-and-forward (AF) rela...
Celal Esli, Jörg Wagner, Armin Wittneben
ICC
2009
IEEE
154views Communications» more  ICC 2009»
15 years 10 months ago
Load Balancing vs. Distributed Rate Limiting: An Unifying Framework for Cloud Control
— With the expansion of cloud-based services, the question as to how to control usage of such large distributed systems has become increasingly important. Load balancing (LB), an...
Rade Stanojevic, Robert Shorten
ICNP
2009
IEEE
15 years 10 months ago
Principles of Safe Policy Routing Dynamics
—We introduce the Dynamic Policy Routing (DPR) model that captures the propagation of route updates under arbitrary changes in topology or path preferences. DPR introduces the no...
Sam Epstein, Karim Mattar, Ibrahim Matta
ICRA
2009
IEEE
170views Robotics» more  ICRA 2009»
15 years 10 months ago
Automatic high-precision self-calibration of camera-robot systems
— In this article a new method is presented to obtain a full and precise calibration of camera-robot systems with eyein-hand cameras. It achieves a simultaneous and numerically s...
Andreas Jordt, Nils T. Siebel, Gerald Sommer