ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
In this paper, training design is studied for a single relay amplify-and-forward cooperative network. The taps of the frequency selective channels are assumed to be correlated and...
PIMRC
2010
IEEE
13 years 2 months ago
2010
IEEE
Abstract--Vandermonde-subspace frequency division multiplexing (VFDM) is a technique for interference cancellation in overlay networks that allows a secondary network to operate si...
ICASSP
2009
IEEE
13 years 9 months ago
2009
IEEE
In this paper, we investigate the timing and carrier frequency offset (CFO) synchronization problem in decode and forward cooperative systems operating over frequency selective ch...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— In this paper, we analyze the effects of IQ (In-phase/ Quadrature-phase) imbalances at both transmitter and receiver of OFDM (Orthogonal Frequency Division Multiplexing) system...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—In this contribution we present a numerical approach to evaluate the bit error rate and mutual information of OFDM links affected by transmitter nonlinearities, phase no...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
— The search for optimality in the design of channel precoders and training symbols in block processing communication systems is one of paramount importance. Finding the best tra...