199 search results - page 27 / 40 » Multiple antenna spectrum sensing in cognitive radios |
96
Voted
CORR
2010
Springer
14 years 10 months ago
2010
Springer
Nowadays, It has been shown that spectrum scarcity increased due to tremendous growth of new players in wireless base system by the evolution of the radio communication. Resent su...
108
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MOBICOM
2009
ACM
15 years 6 months ago
2009
ACM
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
94
Voted
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
Spectrum sensing is a challenging key component of the Cognitive Radio paradigm, since primary signals must be detected in the face of noise uncertainty and at signal-to-noise rat...
GLOBECOM
2009
IEEE
15 years 3 months ago
2009
IEEE
Characterizing the number and type of transmitters occupying a given frequency band is a critical aspect of spectrum sensing specifically and cognitive radio generally. We present ...
112
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INFOCOM
2012
IEEE
13 years 2 months ago
2012
IEEE
—The opening of under-utilized spectrum creates the opportunity of substantial performance improvement through cognitive radio techniques. However, the real network performance m...