134 search results - page 5 / 27 » Two-stage spectrum sensing for cognitive radios |
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
—In this paper, we propose several spectrum sensing methods designed using the generalized likelihood ratio test (GLRT) paradigm, for application in a cognitive radio network. Th...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
— In cognitive radio, spectrum sensing is a key component to detect spectrum holes (i.e., channels not used by any primary users). Collaborative spectrum sensing among the cognit...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Spectrum sensing, which aims at detecting spectrum holes, is the precondition for the implementation of cognitive radio. Collaborative spectrum sensing among the cognitive radio n...
GLOBECOM
2007
IEEE
14 years 1 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 ...
ICUMT
2009
13 years 5 months ago
2009
Abstract-- We consider the problem of Spectrum Sensing in Cognitive Radio Networks. In our previous work we have developed DualCUSUM, a distributed algorithm for change detection a...