84 search results - page 2 / 17 » Frequency Offset Estimation for IFDMA Uplink Systems |
ICC
2000
IEEE
14 years 2 months ago
2000
IEEE
Abstract—A frequency offset compensation method for OFDMFDMA, that can correct offsets after the DFT via circular convolution, is proposed as an alternative to the direct method ...
TSP
2008
13 years 9 months ago
2008
In this paper, we address the joint data-aided estimation of frequency offsets and channel coefficients in uplink MIMO-OFDMA systems. As the Maximum Likelihood (ML) estimator is i...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
GLOBECOM
2006
IEEE
14 years 3 months ago
2006
IEEE
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
In Cognitive Radio (CR) systems, spectrum sensing plays a key role to determine the free frequency bands. However, when the primaryuser (PU) signal spectrum exhibits localized fad...