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CCECE
2009
IEEE
13 years 11 months ago
2009
IEEE
—Spectrum awareness is a crucial first step of a cognitive radio (CR). This provides information necessary for the CR to adapt to the radio frequency environment, and involves re...
ICC
2007
IEEE
13 years 8 months ago
2007
IEEE
Abstract-- Performance analysis of Multiple-input Multipleoutput (MIMO) Orthogonal Frequency-Division Multiplexing (OFDM) systems with carrier frequency offset and channel estimati...
TWC
2008
13 years 4 months ago
2008
Orthogonal frequency division multiplexing based wireless systems are spectrally efficient, but they are vulnerable to inter carrier interference (ICI). In a wide area scenario, us...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
Abstract—This paper studies an efficient receiver design for concatenated space-frequency coded orthogonal frequency division multiplexing (OFDM) systems under severe multipath c...
VTC
2006
IEEE
13 years 11 months ago
2006
IEEE
— In Orthogonal Frequency Division Multiplexing (OFDM) systems, synchronization errors in the receiver cause a linear phase rotation at the output of the Discrete Fourier Transfo...