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ICASSP
2009
IEEE
16 years 1 months ago
A multistage approach for blind separation of convolutive speech mixtures
In this paper, we propose a novel algorithm for the separation of convolutive speech mixtures using two-microphone recordings, based on the combination of independent component an...
Tariqullah Jan, Wenwu Wang, DeLiang Wang
ICASSP
2009
IEEE
16 years 1 months ago
Shrinkage estimation of high dimensional covariance matrices
We address covariance estimation under mean-squared loss in the Gaussian setting. Specifically, we consider shrinkage methods which are suitable for high dimensional problems wit...
Yilun Chen, Ami Wiesel, Alfred O. Hero
ICC
2009
IEEE
16 years 1 months ago
Robust Cyclic Space-Frequency Filtering for BICM-OFDM with Outdated CSIT
— In this paper, we introduce robust cyclic space– frequency (CSF) filtering for systems combining bit–interleaved coded modulation (BICM) and orthogonal frequency division ...
Harry Z. B. Chen, Robert Schober, Wolfgang H. Gers...
ICC
2009
IEEE
121views Communications» more  ICC 2009»
16 years 1 months ago
Idle Channel Time Estimation in Multi-Hop Wireless Networks
—This paper presents a theoretical estimation for idle channel time in a multi-hop environment. Idle channel time is the time proportion of a node during which the channel state ...
Simon Odou, Steven Martin, Khaldoun Al Agha
ICC
2009
IEEE
167views Communications» more  ICC 2009»
16 years 1 months ago
QoS Enhancement and Performance Evaluation of Ad-Hoc Routing Protocols for Rural Public Safety
—In this paper, we explore the feasibility of using Mobile Ad-hoc Networks (MANETs) for rural public safety. First, we discuss a QoS enhancement to a standard routing protocol, D...
Chad Bohannan, Li Zhang, Jian Tang, Richard S. Wol...
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