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CORR
2008
Springer
118views Education» more  CORR 2008»
15 years 6 months ago
Sum Rate Maximization using Linear Precoding and Decoding in the Multiuser MIMO Downlink
Abstract--We propose an algorithm to maximize the instantaneous sum data rate transmitted by a base station in the downlink of a multiuser multiple-input, multiple-output system. T...
Adam J. Tenenbaum, Raviraj S. Adve
170
Voted
PSYCHNOLOGY
2007
112views more  PSYCHNOLOGY 2007»
15 years 6 months ago
Extended Television: A Study of How Investigations of Use Can Inform Design Processes in Nursing Homes
This paper describes the shortcomings in the support that replaces the lost distributed cognition in older people who move to nursing homes and how artifacts can improve this by f...
Peter Abdelmassih Waller
ICASSP
2010
IEEE
15 years 5 months ago
Identification of linear systems in canonical form through an EM framework
Least-squares estimation has always been the main approach when applying prediction error methods (PEM) in the identification of linear dynamical systems. Regardless of the estim...
Pavlos Papadopoulos, Vassilis Digalakis
IR
2010
15 years 5 months ago
Gradient descent optimization of smoothed information retrieval metrics
Abstract Most ranking algorithms are based on the optimization of some loss functions, such as the pairwise loss. However, these loss functions are often different from the criter...
Olivier Chapelle, Mingrui Wu
JUCS
2010
134views more  JUCS 2010»
15 years 5 months ago
Newton Method for Nonlinear Dynamic Systems with Adaptive Time Stepping
Abstract: This paper presents a nonlinear solver based on the Newton-Krylov methods, where the Newton equations are solved by Krylov-subspace type approaches. We focus on the solut...
Wensheng Shen, Changjiang Zhang, Jun Zhang, Xiaoqi...