173 search results - page 3 / 35 » An Alternating Minimization Method for Sparse Channel Estima... |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We propose an algorithm (SCS-FRI) to estimate multipath channels with Sparse Common Support (SCS) based on Finite Rate of Innovation (FRI) sampling. In this setup, theoretical low...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper we present a new sparse iterative covariance-based estimation approach, called SPICE, to the direction of arrival estimation problem. SPICE is obtained by the minimi...
ICPR
2008
IEEE
14 years 2 months ago
2008
IEEE
Frames of videos with static background and dynamic foreground can be viewed as samples of signals that vary slowly in time with sparse corruption caused by foreground objects. We...
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
—Reliable wireless communications often requires accurate knowledge of the underlying multipath channel. This typically involves probing of the channel with a known training wave...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
The problem addressed is source localization via time-differenceof-arrival estimation in a multipath channel. Solving this localization problem typically implies cross-correlating...