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» Multiple antenna spectrum sensing in cognitive radios
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GLOBECOM
2009
IEEE
15 years 6 months ago
Spectrum Sensing by Cognitive Radios at Very Low SNR
Zhi Quan, Stephen J. Shellhammer, Wenyi Zhang, Ali...
GLOBECOM
2009
IEEE
15 years 6 months ago
Medium Access Control Signaling for Reliable Spectrum Agile Radios
—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...
Ehsan Azarnasab, Rong-Rong Chen, Koon Hoo Teo, Zhi...
ICASSP
2011
IEEE
14 years 3 months ago
Optimal transmission strategies for channel capture mitigation in Cognitive Radio Networks
Abstract—Temporal Dynamic Spectrum Access (DSA) in Cognitive Radio Networks exploits time gaps between the primary users transmissions. In this work, the fundamental performance ...
Yingxi Liu, Nikhil Kundargi, Ahmed H. Tewfik