593 search results - page 22 / 119 » Cooperation and Cognitive Radio |
90
Voted
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
We present a compressive wide-band spectrum sensing scheme for cognitive radios. The received analog signal at the cognitive radio sensing receiver is transformed in to a digital ...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— We consider the problem of detecting a primary user signal over a wireless channel by a cognitive radio with multiple antennas. We present a multiple antenna processing based e...
105
click to vote
GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—We address the problem of collaborative sensing in cognitive radios. In a cognitive radio network, all the nodes may sense the spectrum simultaneously. They should then exchange...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— The idea of the cognitive network, drawn from previous research in cognitive radios and cross-layer design, is an attempt to address issues of complexity and scalability by all...
POLICY
2007
Springer
15 years 3 months ago
2007
Springer
Abstract— We present the Cognitive Radio (Policy) Language (CoRaL), a new language for expressing policies that govern the behavior of cognitive radios that opportunistically sha...