56 search results - page 6 / 12 » Pilot optimization for time-delay and channel estimation in ... |
ICC
2007
IEEE
14 years 1 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...
PIMRC
2008
IEEE
14 years 1 months ago
2008
IEEE
—In this paper we present an analytical approach to evaluate the M-QAM bit error rate and carrier frequency dependent throughput of OFDM systems subject to various receiver impai...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Due to multipath delay spread and relatively high sampling rate in OFDM systems, the channel estimation is formulated as a sparse recovery problem, where a hybrid compressed sensi...
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...
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— We propose a low-complexity adaptive highresolution channel prediction algorithm for pilot symbol assisted orthogonal frequency division multiplexing (OFDM) systems. Th...