134 search results - page 8 / 27 » Two-stage spectrum sensing for cognitive radios |
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
There are many key problems of decision making related to spectrum occupancies in cognitive radio networks. It is known that there exist correlations of spectrum occupancies in tim...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
— Collaborative spectrum sensing among secondary users (SUs) in cognitive networks is shown to yield a significant performance improvement. However, there exists an inherent tra...
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
—In this paper, we present a composite hypothesis testing approach for cooperative spectrum sensing. We derive the optimal likelihood ratio test (LRT) statistic based on the Neym...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
CORR
2008
Springer
13 years 7 months ago
2008
Springer
