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ICML
2009
IEEE
15 years 11 months ago
Online learning by ellipsoid method
In this work, we extend the ellipsoid method, which was originally designed for convex optimization, for online learning. The key idea is to approximate by an ellipsoid the classi...
Liu Yang, Rong Jin, Jieping Ye
ICASSP
2009
IEEE
15 years 11 months ago
Real-time dynamic MR image reconstruction using Kalman Filtered Compressed Sensing
In recent work, Kalman Filtered Compressed Sensing (KF-CS) was proposed to causally reconstruct time sequences of sparse signals, from a limited number of “incoherent” measure...
Chenlu Qiu, Wei Lu, Namrata Vaswani
ICC
2009
IEEE
130views Communications» more  ICC 2009»
15 years 11 months ago
Repeater-Assisted Capacity Enhancement (RACE) for MIMO Links in a Line-of-Sight Environment
— A single on-frequency, full duplex wireless repeater is considered for enhancing the capacity of a long-distance 2x2 multiple-input multiple-output (MIMO) wireless link with a ...
Brett T. Walkenhorst, Mary Ann Ingram
123
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QOSA
2009
Springer
15 years 11 months ago
Achieving Agility through Architecture Visibility
L.L.Bean is a large retail organization whose development processes must be agile in order to allow rapid enhancement and maintenance of its technology infrastructure. Over the pas...
Carl Hinsman, Neeraj Sangal, Judith A. Stafford
CISS
2008
IEEE
15 years 11 months ago
Adaptive codebook for beamforming in limited feedback MIMO systems
—We propose a new scheme for limited feedback in MIMO systems. We consider transmit beamforming and receiver maximal ratio combining as a base for our work, and propose a novel b...
Kiarash Amiri, Davood Shamsi, Behnaam Aazhang, Jos...