82 search results - page 5 / 17 » Cluster-Based Cooperative Spectrum Sensing in Cognitive Radi... |
ICC
2009
IEEE
14 years 3 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...
INFOCOM
2012
IEEE
11 years 11 months ago
2012
IEEE
—In this paper we study the resource allocation in OFDM-based cognitive radio (CR) networks, under the consideration of many practical limitations such as imperfect spectrum sens...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
CDC
2008
IEEE
14 years 3 months ago
2008
IEEE
—We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooper...
GLOBECOM
2007
IEEE
13 years 10 months ago
2007
IEEE
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...