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ICC
2009
IEEE
130views Communications» more  ICC 2009»
15 years 4 months ago
User Profiling: A Method for Limited Feedback in OFDMA Systems
In the OFDMA downlink, obtaining Channel State Information (CSI) from users is necessary for the Base Station (BS) to optimize network performance by intelligently allocating resou...
Vinay R. Majjigi, Rajiv Agarwal, John M. Cioffi
AES
2011
Springer
232views Cryptology» more  AES 2011»
14 years 6 months ago
Reliable performance prediction for multigrid software on distributed memory systems
We propose a model for describing and predicting the parallel performance of a broad class of parallel numerical software on distributed memory architectures. The purpose of this ...
Giuseppe Romanazzi, Peter K. Jimack, Christopher E...
ICML
2008
IEEE
16 years 7 months ago
An HDP-HMM for systems with state persistence
The hierarchical Dirichlet process hidden Markov model (HDP-HMM) is a flexible, nonparametric model which allows state spaces of unknown size to be learned from data. We demonstra...
Emily B. Fox, Erik B. Sudderth, Michael I. Jordan,...
ICC
2007
IEEE
113views Communications» more  ICC 2007»
16 years 1 months ago
Pilot-Aided Fine Synchronization for SC-FDE Systems on Multipath Fading Channels
—With single-carrier frequency-domain equalization (SC-FDE), the carrier-frequency offset (CFO) and samplingfrequency offset (SFO) are embedded in the phase rotations of the comp...
Ping-Hung Chiang, Gordon L. Stüber, Ding-Bing...
AIED
2007
Springer
16 years 29 days ago
Can a Polite Intelligent Tutoring System Lead to Improved Learning Outside of the Lab?
In this work we are investigating the learning benefits of e-Learning principles (a) within the context of a web-based intelligent tutor and (b) in the “wild,” that is, in real...
Bruce M. McLaren, Sung-Joo Lim, David Yaron, Kenne...