41 search results - page 2 / 9 » Dirty-Paper Coding without Channel Information at the Transm... |
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
ICC
2009
IEEE
13 years 11 months ago
2009
IEEE
—We consider multi-user MIMO broadcast channels with limited feedback. A recently proposed linear precoding technique, regularized block diagonalization (RBD), is used to mitigat...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—In this paper, we analyze the impact of imperfect channel quality feedback on the scheduling algorithms that exploit multi-user diversity. We consider a time-slotted MIMO broadc...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—— The performance of multiuser MIMO downlink systems with block diagonalization (BD) relies on the channel state information (CSI) at the transmitter to a great extent. For ti...
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...