91 search results - page 3 / 19 » Blind noise variance estimation for OFDMA signals |
ICASSP
2008
IEEE
13 years 12 months ago
2008
IEEE
A novel blind subspace-based channel estimation technique is developed for direct-sequence code division multiple-access (DS-CDMA) systems operating in unknown wide-sense stationa...
ICNSC
2008
IEEE
13 years 12 months ago
2008
IEEE
In this paper, a variance constrained filtering problem is considered for systems with both non-Gaussian noises and polytopic uncertainty. A novel filter is developed to estimate t...
ICA
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. In this paper, a variant of the well known algorithm FastICA is proposed to be used for blind source separation in off-line (block processing) setup and a noisy environm...
TASLP
2008
13 years 5 months ago
2008
This paper considers estimation of the noise spectral variance from speech signals contaminated by highly nonstationary noise sources. The method can accurately track fast changes ...
TSP
2008
13 years 5 months ago
2008
A new blind subspace-based channel estimation technique is proposed for direct-sequence code-division multiple access (DS-CDMA) systems operating in the presence of unknown wide-se...