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» On generalized Frame-Stewart numbers
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TSP
2011
141views more  TSP 2011»
14 years 5 months ago
Algorithms for Interpolation-Based QR Decomposition in MIMO-OFDM Systems
The extension of multiple-input multiple-output (MIMO) sphere decoding from the narrowband case to wideband systems based on orthogonal frequency division multiplexing (OFDM) requ...
Davide Cescato, Helmut Bölcskei
83
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TSP
2011
166views more  TSP 2011»
14 years 5 months ago
On the Hilbert Transform of Wavelets
A wavelet is a localized function having a prescribed number of vanishing moments. In this correspondence, we provide precise arguments as to why the Hilbert transform of a wavele...
Kunal Narayan Chaudhury, Michael Unser
JMLR
2010
218views more  JMLR 2010»
14 years 5 months ago
Simple Exponential Family PCA
Bayesian principal component analysis (BPCA), a probabilistic reformulation of PCA with Bayesian model selection, is a systematic approach to determining the number of essential p...
Jun Li, Dacheng Tao
TIT
2010
110views Education» more  TIT 2010»
14 years 4 months ago
Secure communications with insecure feedback: breaking the high-SNR ceiling
A multiple-antenna Gaussian wiretap channel in which the number of antennas at the source is not greater than that at the eavesdropper is considered. Without feedback, the secrecy...
Tùng T. Kim, H. Vincent Poor
ICASSP
2011
IEEE
14 years 1 months ago
Effect of the visual signal structure on Steady-State Visual Evoked Potentials detection
The detection of Steady-State Visual Evoked Potential (SSVEP) responses in the Electroencephalogram (EEG) is a current challenge in signal processing applied on Brain-Computer Int...
Hubert Cecotti, Bertrand Rivet