593 search results - page 22 / 119 » Cooperation and Cognitive Radio |
156
Voted
ICASSP
2009
IEEE
16 years 25 days 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 ...
142
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ICC
2007
IEEE
16 years 12 days 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...
200
Voted
GLOBECOM
2009
IEEE
16 years 25 days 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...
165
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ICC
2007
IEEE
16 years 12 days 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...
155
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POLICY
2007
Springer
16 years 6 days 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...