17 search results - page 3 / 4 » On optimal training and beamforming in uncorrelated MIMO sys... |
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
Recent attention on correlated multi-input multi-output systems has centered around the case of imperfect channel or statistical information at the transmitter. The focus of this ...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
In this paper we analyze the performance of random beamforming schemes in a multi-user Gaussian broadcast channel. Each user will have N > 1 receive antennas allowing optimal c...
TWC
2010
12 years 11 months ago
2010
The closed-loop transmit diversity technique is used to improve the performance of the downlink channel in MIMO communication systems. In these closed-loop systems, feedback delay...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
— In this paper, we propose a two-step precoding approach for multiple-input multiple-output (MIMO) systems by dividing the precoding process into two steps: spatial multiplexing...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—We consider correlated MIMO multiple access channels with block fading, where each block is divided into training and data transmission phases. We find the channel esti...