31 search results - page 3 / 7 » Robust cognitive beamforming with partial channel state info... |
TWC
2008
14 years 9 months ago
2008
Reliable channel state information at the transmitter (CSIT) can improve the throughput of wireless networks significantly. In a realistic scenario, there is a mismatch between th...
TWC
2008
14 years 9 months ago
2008
Abstract--Orthogonal random beamforming (ORB) constitutes a mean to exploit spatial multiplexing and multi-user diversity (MUD) gains in multi-antenna broadcast channels. To do so,...
WIOPT
2011
IEEE
14 years 1 months ago
2011
IEEE
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...
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JSAC
2008
14 years 9 months ago
2008
We consider the downlink of a wireless system with an M-antenna base station and K single-antenna users. A limited feedback-based scheduling and precoding scenario is considered th...
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—In multiple-input multiple-output (MIMO) broadcast channels, multiuser diversity is exploited by scheduling data transmission to users with best channel conditions. To ï...