91 search results - page 9 / 19 » Blind noise variance estimation for OFDMA signals |
91
Voted
ICASSP
2011
IEEE
2011
IEEE
An evaluation of noise power spectral density estimation algorithms in adverse acoustic environments
14 years 3 months ago
Noise power spectral density estimation is an important component of speech enhancement systems due to its considerable effect on the quality and the intelligibility of the enhanc...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
Recently, we proposed a noniterative cepstral technique for exact signal recovery in frequency-domain optical-coherence tomography. In this paper, we address the influence of mea...
93
Voted
WCNC
2008
IEEE
15 years 6 months ago
2008
IEEE
—Among all blind channel estimation problems, subspace-based algorithms are attractive due to its fastconverging nature. It primarily exploits the orthogonality structure of the ...
107
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TSP
2010
14 years 6 months ago
2010
We propose a variance-component probabilistic model for sparse signal reconstruction and model selection. The measurements follow an underdetermined linear model, where the unknown...
107
Voted
TWC
2008
14 years 11 months ago
2008
Ultra-wideband (UWB) communication is envisaged to be deployed in indoor environments, where the noise distribution is decidedly non-Gaussian. A critical challenge for impulse radi...