31 search results - page 4 / 7 » Robust cognitive beamforming with partial channel state info... |
ICC
2008
IEEE
14 years 1 months ago
2008
IEEE
—We consider opportunistic communications over multiple channels where the state (“good” or “bad”) of each channel evolves as independent and identically distributed Mark...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
— In cognitive radio, spectrum sensing is a key component to detect spectrum holes (i.e., channels not used by any primary users). Collaborative spectrum sensing among the cognit...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
Spatial scheduling in a heterogeneous WiMax Downlink channel, based on partial Channel State Information at the Transmitter (CSIT), is carried out through a multibeam opportunistic...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
A codebook based limited feedback strategy is a practical way to obtain partial channel state information at the transmitter in a precoded multiple-input multiple-output (MIMO) wi...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
—We consider the problem of minimizing upper bounds and maximizing lower bounds on information rates of stationary and ergodic discrete-time channels with memory. The channels we...