89 search results - page 7 / 18 » Iterative EM based channel estimation for KSP-OFDM |
ICA
2010
Springer
13 years 7 months ago
2010
Springer
The problem of estimating a sparse channel, i.e. a channel with a few non-zero taps, appears in many fields of communication including acoustic underwater or wireless transmissions...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
We present a factor graph based design of a receiver for pilotassisted OFDM-IDMA systems transmitting over frequency-selective channels. The receiver performs joint iterative mult...
CVPR
2006
IEEE
14 years 1 months ago
2006
IEEE
This paper describes an algorithm for pose and illumination invariant face recognition from a single image under occlusions. The method iteratively estimates the parameters of a 3...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—This paper studies large randomly spread directsequence code-division multiple-access system operating over a block fading multipath channel. Channel knowledge is obtain...
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—In this paper, we propose a training-based channel estimation scheme for large non-orthogonal space-time block coded (STBC) MIMO systems. The proposed scheme employs a b...