199 search results - page 37 / 40 » Multiple antenna spectrum sensing in cognitive radios |
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
— We consider beamforming in a cognitive network with multiple primary users and secondary users sharing the same spectrum. In particular, we assume that each secondary transmitt...
123
Voted
ICASSP
2011
IEEE
14 years 29 days ago
2011
IEEE
A nonparametric version of the basis pursuit method is developed for field estimation. The underlying model entails known bases, weighted by generic functions to be estimated fro...
88
Voted
CORR
2007
Springer
14 years 9 months ago
2007
Springer
We consider a multi-channel opportunistic communication system where the states of these channels evolve as independent and statistically identical Markov chains (the Gilbert-Elli...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
—We aim to characterize the maximum link throughput of a multi-channel opportunistic communication system. The states of these channels evolve as independent and identically dist...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
—We venture beyond the “listen-before-talk” strategy that is common in many traditional cognitive radio access schemes. We exploit the bi-directional nature of most primary c...