199 search results - page 2 / 40 » Multiple antenna spectrum sensing in cognitive radios |
TWC
2008
13 years 5 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 8 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...
CORR
2007
Springer
13 years 6 months ago
2007
Springer
ICC
2008
IEEE
14 years 21 days ago
2008
IEEE
—Cognitive radio (CR) dynamically accessing inactive radio spectrum of the primary system (PS) at link level has attracted a lot of research interests. The cognitive radio networ...
GLOBECOM
2009
IEEE
14 years 1 months ago
2009
IEEE
Abstract— Quickest detection is applied in the spectrum sensing of cognitive radio systems when multiple secondary users collaborate with limited communication time slots. When t...