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CIMAGING
2009
145views Hardware» more  CIMAGING 2009»
15 years 7 months ago
Wavelet-based Poisson rate estimation using the Skellam distribution
Owing to the stochastic nature of discrete processes such as photon counts in imaging, real-world data measurements often exhibit heteroscedastic behavior. In particular, time ser...
Keigo Hirakawa, Farhan A. Baqai, Patrick J. Wolfe
JMM2
2007
59views more  JMM2 2007»
15 years 6 months ago
Single-Ended Quality Measurement of Noise Suppressed Speech Based on Kullback-Leibler Distances
— In this paper, a single-ended quality measurement algorithm for noise suppressed speech is described. The proposed algorithm computes fast approximations of KullbackLeibler dis...
Tiago H. Falk, Hua Yuan, Wai-Yip Chan
CORR
2007
Springer
117views Education» more  CORR 2007»
15 years 6 months ago
Non-atomic Games for Multi-User Systems
Abstract—In this contribution, the performance of a multiuser system is analyzed in the context of frequency selective fading channels. Using game theoretic tools, a useful frame...
Nicolas Bonneau, Mérouane Debbah, Eitan Alt...
TCOM
2010
92views more  TCOM 2010»
15 years 4 months ago
Detection of Gaussian constellations in MIMO systems under imperfect CSI
Abstract—This paper considers the problem of Gaussian symbols detection in MIMO systems in the presence of channel estimation errors. Under this framework we develop a computatio...
Ido Nevat, Gareth W. Peters, Jinhong Yuan
PIMRC
2010
IEEE
15 years 4 months ago
Fast varying channel estimation in downlink LTE systems
This paper tackles the problem of fast varying channel estimation in LTE systems. Particular attention is given to downlink transmission where OFDMA is used as the multiple access ...
Youssef El Hajj Shehadeh, Serdar Sezginer