44 search results - page 6 / 9 » On the Use of Implicit Pilots for Channel Estimation with OF... |
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
— OFDM is well suited for data-transmission over frequency-selective channels. If the cyclic prefix is chosen sufficiently long, intersymbol interference is avoided. Thus, the ...
ICASSP
2009
IEEE
13 years 5 months ago
2009
IEEE
We present a pilot-assisted method for estimating the frequency selective channel in a MIMO-OFDM system. The pilot sequence is designed using the DFT of the Golay complementary se...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— Decision directed channel tracking (DDCT) at high fade rates in OFDM based systems is addressed in this paper. Existing DDCT algorithms like the expectation-maximization (EM) a...
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...
ICASSP
2009
IEEE
13 years 5 months ago
2009
IEEE
This paper considers maximum-likelihood (ML) detection of orthogonal space-time block coded OFDM (OSTBC-OFDM) systems without channel state information. Our previous work has show...