173 search results - page 6 / 35 » An Alternating Minimization Method for Sparse Channel Estima... |
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
—Using CDMA technology, one has to contend with interference in frequency-selective channels caused by multipath propagation and fading. Transmitter-based methods such as Zero Fo...
ICCV
2011
IEEE
12 years 7 months ago
2011
IEEE
Optical flow estimation is a fundamental and ill-posed problem in computer vision. To recover a dense flow field, appropriate spatial constraints have to be enforced. Recent ad...
ICCD
2004
IEEE
2004
IEEE
Circuit-Based Preprocessing of ILP and Its Applications in Leakage Minimization and Power Estimation
14 years 4 months ago
In this paper we discuss the application of circuit-based logical reasoning to simplify optimization problems expressed as integer linear programs (ILP) over circuit states. We de...
ICC
2009
IEEE
13 years 5 months ago
2009
IEEE
OFDM/OQAM has been considered as an attractive alternative to classic OFDM with cyclic prefix (CP) over doubly dispersive channels. By utilising well designed pulse shapes and remo...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
— This paper introduces an expectation-maximization (EM) algorithm within a wavelet domain Bayesian framework for semi-blind channel estimation of multiband OFDM based UWB commun...