77 search results - page 2 / 16 » Optimal multi-channel cooperative sensing in cognitive radio... |
TSP
2011
12 years 11 months ago
2011
—In this paper, we investigate a selective relay spectrum sensing and best relay data transmission (SRSS-BRDT) scheme for multiple-relay cognitive radio networks. Specifically, ...
TWC
2010
12 years 11 months ago
2010
In this paper, optimal multi-channel cooperative sensing strategies in cognitive radio networks are investigated. A cognitive radio network with multiple potential channels is cons...
TWC
2008
13 years 4 months ago
2008
Spectrum sensing is the key enabling technology for cognitive radio networks. The main objective of spectrum sensing is to provide more spectrum access opportunities to cognitive r...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
ICC
2009
IEEE
13 years 11 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...